(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3')) :
  typeof define === 'function' && define.amd ? define(['exports', 'd3'], factory) :
  (factory((global.c3 = global.c3 || {}),global.d3));
}(this, (function (exports,d3) { 'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
};

































var set = function set(object, property, value, receiver) {
  var desc = Object.getOwnPropertyDescriptor(object, property);

  if (desc === undefined) {
    var parent = Object.getPrototypeOf(object);

    if (parent !== null) {
      set(parent, property, value, receiver);
    }
  } else if ("value" in desc && desc.writable) {
    desc.value = value;
  } else {
    var setter = desc.set;

    if (setter !== undefined) {
      setter.call(receiver, value);
    }
  }

  return value;
};

function API(owner) {
    this.owner = owner;
}

function inherit(base, derived) {

    if (Object.create) {
        derived.prototype = Object.create(base.prototype);
    } else {
        var f = function f() {};
        f.prototype = base.prototype;
        derived.prototype = new f();
    }

    derived.prototype.constructor = derived;

    return derived;
}

// Features:
// 1. category axis
// 2. ceil values of translate/x/y to int for half pixel antialiasing
// 3. multiline tick text
var tickTextCharSize;
function c3_axis(d3$$1, params) {
    var scale = d3$$1.scale.linear(),
        orient = "bottom",
        innerTickSize = 6,
        outerTickSize,
        tickPadding = 3,
        tickValues = null,
        tickFormat,
        tickArguments;

    var tickOffset = 0,
        tickCulling = true,
        tickCentered;

    params = params || {};
    outerTickSize = params.withOuterTick ? 6 : 0;

    function axisX(selection, x) {
        selection.attr("transform", function (d) {
            return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
        });
    }
    function axisY(selection, y) {
        selection.attr("transform", function (d) {
            return "translate(0," + Math.ceil(y(d)) + ")";
        });
    }
    function scaleExtent(domain) {
        var start = domain[0],
            stop = domain[domain.length - 1];
        return start < stop ? [start, stop] : [stop, start];
    }
    function generateTicks(scale) {
        var i,
            domain,
            ticks = [];
        if (scale.ticks) {
            return scale.ticks.apply(scale, tickArguments);
        }
        domain = scale.domain();
        for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
            ticks.push(i);
        }
        if (ticks.length > 0 && ticks[0] > 0) {
            ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
        }
        return ticks;
    }
    function copyScale() {
        var newScale = scale.copy(),
            domain;
        if (params.isCategory) {
            domain = scale.domain();
            newScale.domain([domain[0], domain[1] - 1]);
        }
        return newScale;
    }
    function textFormatted(v) {
        var formatted = tickFormat ? tickFormat(v) : v;
        return typeof formatted !== 'undefined' ? formatted : '';
    }
    function getSizeFor1Char(tick) {
        if (tickTextCharSize) {
            return tickTextCharSize;
        }
        var size = {
            h: 11.5,
            w: 5.5
        };
        tick.select('text').text(textFormatted).each(function (d) {
            var box = this.getBoundingClientRect(),
                text = textFormatted(d),
                h = box.height,
                w = text ? box.width / text.length : undefined;
            if (h && w) {
                size.h = h;
                size.w = w;
            }
        }).text('');
        tickTextCharSize = size;
        return size;
    }
    function transitionise(selection) {
        return params.withoutTransition ? selection : d3$$1.transition(selection);
    }
    function axis(g) {
        g.each(function () {
            var g = axis.g = d3$$1.select(this);

            var scale0 = this.__chart__ || scale,
                scale1 = this.__chart__ = copyScale();

            var ticks = tickValues ? tickValues : generateTicks(scale1),
                tick = g.selectAll(".tick").data(ticks, scale1),
                tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),

            // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
            tickExit = tick.exit().remove(),
                tickUpdate = transitionise(tick).style("opacity", 1),
                tickTransform,
                tickX,
                tickY;

            var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
                path = g.selectAll(".domain").data([0]),
                pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path));
            tickEnter.append("line");
            tickEnter.append("text");

            var lineEnter = tickEnter.select("line"),
                lineUpdate = tickUpdate.select("line"),
                textEnter = tickEnter.select("text"),
                textUpdate = tickUpdate.select("text");

            if (params.isCategory) {
                tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
                tickX = tickCentered ? 0 : tickOffset;
                tickY = tickCentered ? tickOffset : 0;
            } else {
                tickOffset = tickX = 0;
            }

            var text,
                tspan,
                sizeFor1Char = getSizeFor1Char(g.select('.tick')),
                counts = [];
            var tickLength = Math.max(innerTickSize, 0) + tickPadding,
                isVertical = orient === 'left' || orient === 'right';

            // this should be called only when category axis
            function splitTickText(d, maxWidth) {
                var tickText = textFormatted(d),
                    subtext,
                    spaceIndex,
                    textWidth,
                    splitted = [];

                if (Object.prototype.toString.call(tickText) === "[object Array]") {
                    return tickText;
                }

                if (!maxWidth || maxWidth <= 0) {
                    maxWidth = isVertical ? 95 : params.isCategory ? Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12 : 110;
                }

                function split(splitted, text) {
                    spaceIndex = undefined;
                    for (var i = 1; i < text.length; i++) {
                        if (text.charAt(i) === ' ') {
                            spaceIndex = i;
                        }
                        subtext = text.substr(0, i + 1);
                        textWidth = sizeFor1Char.w * subtext.length;
                        // if text width gets over tick width, split by space index or crrent index
                        if (maxWidth < textWidth) {
                            return split(splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i));
                        }
                    }
                    return splitted.concat(text);
                }

                return split(splitted, tickText + "");
            }

            function tspanDy(d, i) {
                var dy = sizeFor1Char.h;
                if (i === 0) {
                    if (orient === 'left' || orient === 'right') {
                        dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3);
                    } else {
                        dy = ".71em";
                    }
                }
                return dy;
            }

            function tickSize(d) {
                var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
                return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
            }

            text = tick.select("text");
            tspan = text.selectAll('tspan').data(function (d, i) {
                var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
                counts[i] = splitted.length;
                return splitted.map(function (s) {
                    return { index: i, splitted: s };
                });
            });
            tspan.enter().append('tspan');
            tspan.exit().remove();
            tspan.text(function (d) {
                return d.splitted;
            });

            var rotate = params.tickTextRotate;

            function textAnchorForText(rotate) {
                if (!rotate) {
                    return 'middle';
                }
                return rotate > 0 ? "start" : "end";
            }
            function textTransform(rotate) {
                if (!rotate) {
                    return '';
                }
                return "rotate(" + rotate + ")";
            }
            function dxForText(rotate) {
                if (!rotate) {
                    return 0;
                }
                return 8 * Math.sin(Math.PI * (rotate / 180));
            }
            function yForText(rotate) {
                if (!rotate) {
                    return tickLength;
                }
                return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1);
            }

            switch (orient) {
                case "bottom":
                    {
                        tickTransform = axisX;
                        lineEnter.attr("y2", innerTickSize);
                        textEnter.attr("y", tickLength);
                        lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
                        textUpdate.attr("x", 0).attr("y", yForText(rotate)).style("text-anchor", textAnchorForText(rotate)).attr("transform", textTransform(rotate));
                        tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
                        pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
                        break;
                    }
                case "top":
                    {
                        // TODO: rotated tick text
                        tickTransform = axisX;
                        lineEnter.attr("y2", -innerTickSize);
                        textEnter.attr("y", -tickLength);
                        lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
                        textUpdate.attr("x", 0).attr("y", -tickLength);
                        text.style("text-anchor", "middle");
                        tspan.attr('x', 0).attr("dy", "0em");
                        pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
                        break;
                    }
                case "left":
                    {
                        tickTransform = axisY;
                        lineEnter.attr("x2", -innerTickSize);
                        textEnter.attr("x", -tickLength);
                        lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
                        textUpdate.attr("x", -tickLength).attr("y", tickOffset);
                        text.style("text-anchor", "end");
                        tspan.attr('x', -tickLength).attr("dy", tspanDy);
                        pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
                        break;
                    }
                case "right":
                    {
                        tickTransform = axisY;
                        lineEnter.attr("x2", innerTickSize);
                        textEnter.attr("x", tickLength);
                        lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
                        textUpdate.attr("x", tickLength).attr("y", 0);
                        text.style("text-anchor", "start");
                        tspan.attr('x', tickLength).attr("dy", tspanDy);
                        pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
                        break;
                    }
            }
            if (scale1.rangeBand) {
                var x = scale1,
                    dx = x.rangeBand() / 2;
                scale0 = scale1 = function scale1(d) {
                    return x(d) + dx;
                };
            } else if (scale0.rangeBand) {
                scale0 = scale1;
            } else {
                tickExit.call(tickTransform, scale1);
            }
            tickEnter.call(tickTransform, scale0);
            tickUpdate.call(tickTransform, scale1);
        });
    }
    axis.scale = function (x) {
        if (!arguments.length) {
            return scale;
        }
        scale = x;
        return axis;
    };
    axis.orient = function (x) {
        if (!arguments.length) {
            return orient;
        }
        orient = x in { top: 1, right: 1, bottom: 1, left: 1 } ? x + "" : "bottom";
        return axis;
    };
    axis.tickFormat = function (format) {
        if (!arguments.length) {
            return tickFormat;
        }
        tickFormat = format;
        return axis;
    };
    axis.tickCentered = function (isCentered) {
        if (!arguments.length) {
            return tickCentered;
        }
        tickCentered = isCentered;
        return axis;
    };
    axis.tickOffset = function () {
        return tickOffset;
    };
    axis.tickInterval = function () {
        var interval, length;
        if (params.isCategory) {
            interval = tickOffset * 2;
        } else {
            length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2;
            interval = length / axis.g.selectAll('line').size();
        }
        return interval === Infinity ? 0 : interval;
    };
    axis.ticks = function () {
        if (!arguments.length) {
            return tickArguments;
        }
        tickArguments = arguments;
        return axis;
    };
    axis.tickCulling = function (culling) {
        if (!arguments.length) {
            return tickCulling;
        }
        tickCulling = culling;
        return axis;
    };
    axis.tickValues = function (x) {
        if (typeof x === 'function') {
            tickValues = function tickValues() {
                return x(scale.domain());
            };
        } else {
            if (!arguments.length) {
                return tickValues;
            }
            tickValues = x;
        }
        return axis;
    };
    return axis;
}

function Axis(owner) {
    API.call(this, owner);
}

inherit(API, Axis);

Axis.prototype.init = function init() {

    var $$ = this.owner,
        config = $$.config,
        main = $$.main;
    $$.axes.x = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisX).attr("clip-path", $$.clipPathForXAxis).attr("transform", $$.getTranslate('x')).style("visibility", config.axis_x_show ? 'visible' : 'hidden');
    $$.axes.x.append("text").attr("class", CLASS.axisXLabel).attr("transform", config.axis_rotated ? "rotate(-90)" : "").style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
    $$.axes.y = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY).attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis).attr("transform", $$.getTranslate('y')).style("visibility", config.axis_y_show ? 'visible' : 'hidden');
    $$.axes.y.append("text").attr("class", CLASS.axisYLabel).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForYAxisLabel.bind(this));

    $$.axes.y2 = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY2)
    // clip-path?
    .attr("transform", $$.getTranslate('y2')).style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
    $$.axes.y2.append("text").attr("class", CLASS.axisY2Label).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
};
Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
    var $$ = this.owner,
        config = $$.config,
        axisParams = {
        isCategory: $$.isCategorized(),
        withOuterTick: withOuterTick,
        tickMultiline: config.axis_x_tick_multiline,
        tickWidth: config.axis_x_tick_width,
        tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
        withoutTransition: withoutTransition
    },
        axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);

    if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
        tickValues = tickValues.map(function (v) {
            return $$.parseDate(v);
        });
    }

    // Set tick
    axis.tickFormat(tickFormat).tickValues(tickValues);
    if ($$.isCategorized()) {
        axis.tickCentered(config.axis_x_tick_centered);
        if (isEmpty(config.axis_x_tick_culling)) {
            config.axis_x_tick_culling = false;
        }
    }

    return axis;
};
Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
    var $$ = this.owner,
        config = $$.config,
        tickValues;
    if (config.axis_x_tick_fit || config.axis_x_tick_count) {
        tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
    }
    if (axis) {
        axis.tickValues(tickValues);
    } else {
        $$.xAxis.tickValues(tickValues);
        $$.subXAxis.tickValues(tickValues);
    }
    return tickValues;
};
Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
    var $$ = this.owner,
        config = $$.config,
        axisParams = {
        withOuterTick: withOuterTick,
        withoutTransition: withoutTransition,
        tickTextRotate: withoutRotateTickText ? 0 : config.axis_y_tick_rotate
    },
        axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat);
    if ($$.isTimeSeriesY()) {
        axis.ticks($$.d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
    } else {
        axis.tickValues(tickValues);
    }
    return axis;
};
Axis.prototype.getId = function getId(id) {
    var config = this.owner.config;
    return id in config.data_axes ? config.data_axes[id] : 'y';
};
Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {
    var $$ = this.owner,
        config = $$.config,
        format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) {
        return v < 0 ? v.toFixed(0) : v;
    };
    if (config.axis_x_tick_format) {
        if (isFunction(config.axis_x_tick_format)) {
            format = config.axis_x_tick_format;
        } else if ($$.isTimeSeries()) {
            format = function format(date) {
                return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
            };
        }
    }
    return isFunction(format) ? function (v) {
        return format.call($$, v);
    } : format;
};
Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {
    return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
};
Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {
    return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
};
Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {
    return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
};
Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {
    return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
};
Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
    var $$ = this.owner,
        config = $$.config,
        option;
    if (axisId === 'y') {
        option = config.axis_y_label;
    } else if (axisId === 'y2') {
        option = config.axis_y2_label;
    } else if (axisId === 'x') {
        option = config.axis_x_label;
    }
    return option;
};
Axis.prototype.getLabelText = function getLabelText(axisId) {
    var option = this.getLabelOptionByAxisId(axisId);
    return isString(option) ? option : option ? option.text : null;
};
Axis.prototype.setLabelText = function setLabelText(axisId, text) {
    var $$ = this.owner,
        config = $$.config,
        option = this.getLabelOptionByAxisId(axisId);
    if (isString(option)) {
        if (axisId === 'y') {
            config.axis_y_label = text;
        } else if (axisId === 'y2') {
            config.axis_y2_label = text;
        } else if (axisId === 'x') {
            config.axis_x_label = text;
        }
    } else if (option) {
        option.text = text;
    }
};
Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
    var option = this.getLabelOptionByAxisId(axisId),
        position = option && (typeof option === "undefined" ? "undefined" : _typeof(option)) === 'object' && option.position ? option.position : defaultPosition;
    return {
        isInner: position.indexOf('inner') >= 0,
        isOuter: position.indexOf('outer') >= 0,
        isLeft: position.indexOf('left') >= 0,
        isCenter: position.indexOf('center') >= 0,
        isRight: position.indexOf('right') >= 0,
        isTop: position.indexOf('top') >= 0,
        isMiddle: position.indexOf('middle') >= 0,
        isBottom: position.indexOf('bottom') >= 0
    };
};
Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {
    return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
};
Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {
    return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
    return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
};
Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {
    return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
};
Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {
    return this.getLabelText('x');
};
Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {
    return this.getLabelText('y');
};
Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {
    return this.getLabelText('y2');
};
Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
    var $$ = this.owner;
    if (forHorizontal) {
        return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
    } else {
        return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
    }
};
Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
    if (forHorizontal) {
        return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
    } else {
        return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
    }
};
Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
    if (forHorizontal) {
        return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
    } else {
        return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
    }
};
Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {
    return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {
    return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {
    return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {
    return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {
    return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {
    return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {
    var $$ = this.owner,
        config = $$.config,
        position = this.getXAxisLabelPosition();
    if (config.axis_rotated) {
        return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x');
    } else {
        return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
    }
};
Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {
    var $$ = this.owner,
        position = this.getYAxisLabelPosition();
    if ($$.config.axis_rotated) {
        return position.isInner ? "-0.5em" : "3em";
    } else {
        return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : this.getMaxTickWidth('y') + 10);
    }
};
Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {
    var $$ = this.owner,
        position = this.getY2AxisLabelPosition();
    if ($$.config.axis_rotated) {
        return position.isInner ? "1.2em" : "-2.2em";
    } else {
        return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : this.getMaxTickWidth('y2') + 15);
    }
};
Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
};
Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
};
Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
    var $$ = this.owner;
    return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
};
Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
    var $$ = this.owner,
        config = $$.config,
        maxWidth = 0,
        targetsToShow,
        scale,
        axis,
        dummy,
        svg;
    if (withoutRecompute && $$.currentMaxTickWidths[id]) {
        return $$.currentMaxTickWidths[id];
    }
    if ($$.svg) {
        targetsToShow = $$.filterTargetsToShow($$.data.targets);
        if (id === 'y') {
            scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
            axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true, true);
        } else if (id === 'y2') {
            scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
            axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true, true);
        } else {
            scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
            axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
            this.updateXAxisTickValues(targetsToShow, axis);
        }
        dummy = $$.d3.select('body').append('div').classed('c3', true);
        svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), svg.append('g').call(axis).each(function () {
            $$.d3.select(this).selectAll('text').each(function () {
                var box = this.getBoundingClientRect();
                if (maxWidth < box.width) {
                    maxWidth = box.width;
                }
            });
            dummy.remove();
        });
    }
    $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
    return $$.currentMaxTickWidths[id];
};

Axis.prototype.updateLabels = function updateLabels(withTransition) {
    var $$ = this.owner;
    var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
        axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
        axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
    (withTransition ? axisXLabel.transition() : axisXLabel).attr("x", this.xForXAxisLabel.bind(this)).attr("dx", this.dxForXAxisLabel.bind(this)).attr("dy", this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this));
    (withTransition ? axisYLabel.transition() : axisYLabel).attr("x", this.xForYAxisLabel.bind(this)).attr("dx", this.dxForYAxisLabel.bind(this)).attr("dy", this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this));
    (withTransition ? axisY2Label.transition() : axisY2Label).attr("x", this.xForY2AxisLabel.bind(this)).attr("dx", this.dxForY2AxisLabel.bind(this)).attr("dy", this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this));
};
Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
    var p = typeof padding === 'number' ? padding : padding[key];
    if (!isValue(p)) {
        return defaultValue;
    }
    if (padding.unit === 'ratio') {
        return padding[key] * domainLength;
    }
    // assume padding is pixels if unit is not specified
    return this.convertPixelsToAxisPadding(p, domainLength);
};
Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
    var $$ = this.owner,
        length = $$.config.axis_rotated ? $$.width : $$.height;
    return domainLength * (pixels / length);
};
Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
    var tickValues = values,
        targetCount,
        start,
        end,
        count,
        interval,
        i,
        tickValue;
    if (tickCount) {
        targetCount = isFunction(tickCount) ? tickCount() : tickCount;
        // compute ticks according to tickCount
        if (targetCount === 1) {
            tickValues = [values[0]];
        } else if (targetCount === 2) {
            tickValues = [values[0], values[values.length - 1]];
        } else if (targetCount > 2) {
            count = targetCount - 2;
            start = values[0];
            end = values[values.length - 1];
            interval = (end - start) / (count + 1);
            // re-construct unique values
            tickValues = [start];
            for (i = 0; i < count; i++) {
                tickValue = +start + interval * (i + 1);
                tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
            }
            tickValues.push(end);
        }
    }
    if (!forTimeSeries) {
        tickValues = tickValues.sort(function (a, b) {
            return a - b;
        });
    }
    return tickValues;
};
Axis.prototype.generateTransitions = function generateTransitions(duration) {
    var $$ = this.owner,
        axes = $$.axes;
    return {
        axisX: duration ? axes.x.transition().duration(duration) : axes.x,
        axisY: duration ? axes.y.transition().duration(duration) : axes.y,
        axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
        axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
    };
};
Axis.prototype.redraw = function redraw(transitions, isHidden) {
    var $$ = this.owner;
    $$.axes.x.style("opacity", isHidden ? 0 : 1);
    $$.axes.y.style("opacity", isHidden ? 0 : 1);
    $$.axes.y2.style("opacity", isHidden ? 0 : 1);
    $$.axes.subx.style("opacity", isHidden ? 0 : 1);
    transitions.axisX.call($$.xAxis);
    transitions.axisY.call($$.yAxis);
    transitions.axisY2.call($$.y2Axis);
    transitions.axisSubX.call($$.subXAxis);
};

function ChartInternal(api){var $$=this;$$.d3=window.d3?window.d3:typeof require!=='undefined'?require("d3"):undefined;$$.api=api;$$.config=$$.getDefaultConfig();$$.data={};$$.cache={};$$.axes={};}var c3_chart_internal_fn=ChartInternal.prototype;c3_chart_internal_fn.beforeInit=function(){// can do something
};c3_chart_internal_fn.afterInit=function(){// can do something
};c3_chart_internal_fn.init=function(){var $$=this,config=$$.config;$$.initParams();if(config.data_url){$$.convertUrlToData(config.data_url,config.data_mimeType,config.data_headers,config.data_keys,$$.initWithData);}else if(config.data_json){$$.initWithData($$.convertJsonToData(config.data_json,config.data_keys));}else if(config.data_rows){$$.initWithData($$.convertRowsToData(config.data_rows));}else if(config.data_columns){$$.initWithData($$.convertColumnsToData(config.data_columns));}else{throw Error('url or json or rows or columns is required.');}};c3_chart_internal_fn.initParams=function(){var $$=this,d3$$1=$$.d3,config=$$.config;// MEMO: clipId needs to be unique because it conflicts when multiple charts exist
$$.clipId="c3-"+ +new Date()+'-clip',$$.clipIdForXAxis=$$.clipId+'-xaxis',$$.clipIdForYAxis=$$.clipId+'-yaxis',$$.clipIdForGrid=$$.clipId+'-grid',$$.clipIdForSubchart=$$.clipId+'-subchart',$$.clipPath=$$.getClipPath($$.clipId),$$.clipPathForXAxis=$$.getClipPath($$.clipIdForXAxis),$$.clipPathForYAxis=$$.getClipPath($$.clipIdForYAxis);$$.clipPathForGrid=$$.getClipPath($$.clipIdForGrid),$$.clipPathForSubchart=$$.getClipPath($$.clipIdForSubchart),$$.dragStart=null;$$.dragging=false;$$.flowing=false;$$.cancelClick=false;$$.mouseover=false;$$.transiting=false;$$.color=$$.generateColor();$$.levelColor=$$.generateLevelColor();$$.dataTimeFormat=config.data_xLocaltime?d3$$1.time.format:d3$$1.time.format.utc;$$.axisTimeFormat=config.axis_x_localtime?d3$$1.time.format:d3$$1.time.format.utc;$$.defaultAxisTimeFormat=$$.axisTimeFormat.multi([[".%L",function(d){return d.getMilliseconds();}],[":%S",function(d){return d.getSeconds();}],["%I:%M",function(d){return d.getMinutes();}],["%I %p",function(d){return d.getHours();}],["%-m/%-d",function(d){return d.getDay()&&d.getDate()!==1;}],["%-m/%-d",function(d){return d.getDate()!==1;}],["%-m/%-d",function(d){return d.getMonth();}],["%Y/%-m/%-d",function(){return true;}]]);$$.hiddenTargetIds=[];$$.hiddenLegendIds=[];$$.focusedTargetIds=[];$$.defocusedTargetIds=[];$$.xOrient=config.axis_rotated?"left":"bottom";$$.yOrient=config.axis_rotated?config.axis_y_inner?"top":"bottom":config.axis_y_inner?"right":"left";$$.y2Orient=config.axis_rotated?config.axis_y2_inner?"bottom":"top":config.axis_y2_inner?"left":"right";$$.subXOrient=config.axis_rotated?"left":"bottom";$$.isLegendRight=config.legend_position==='right';$$.isLegendInset=config.legend_position==='inset';$$.isLegendTop=config.legend_inset_anchor==='top-left'||config.legend_inset_anchor==='top-right';$$.isLegendLeft=config.legend_inset_anchor==='top-left'||config.legend_inset_anchor==='bottom-left';$$.legendStep=0;$$.legendItemWidth=0;$$.legendItemHeight=0;$$.currentMaxTickWidths={x:0,y:0,y2:0};$$.rotated_padding_left=30;$$.rotated_padding_right=config.axis_rotated&&!config.axis_x_show?0:30;$$.rotated_padding_top=5;$$.withoutFadeIn={};$$.intervalForObserveInserted=undefined;$$.axes.subx=d3$$1.selectAll([]);// needs when excluding subchart.js
};c3_chart_internal_fn.initChartElements=function(){if(this.initBar){this.initBar();}if(this.initLine){this.initLine();}if(this.initArc){this.initArc();}if(this.initGauge){this.initGauge();}if(this.initText){this.initText();}};c3_chart_internal_fn.initWithData=function(data){var $$=this,d3$$1=$$.d3,config=$$.config;var defs,main,binding=true;$$.axis=new Axis($$);if($$.initPie){$$.initPie();}if($$.initBrush){$$.initBrush();}if($$.initZoom){$$.initZoom();}if(!config.bindto){$$.selectChart=d3$$1.selectAll([]);}else if(typeof config.bindto.node==='function'){$$.selectChart=config.bindto;}else{$$.selectChart=d3$$1.select(config.bindto);}if($$.selectChart.empty()){$$.selectChart=d3$$1.select(document.createElement('div')).style('opacity',0);$$.observeInserted($$.selectChart);binding=false;}$$.selectChart.html("").classed("c3",true);// Init data as targets
$$.data.xs={};$$.data.targets=$$.convertDataToTargets(data);if(config.data_filter){$$.data.targets=$$.data.targets.filter(config.data_filter);}// Set targets to hide if needed
if(config.data_hide){$$.addHiddenTargetIds(config.data_hide===true?$$.mapToIds($$.data.targets):config.data_hide);}if(config.legend_hide){$$.addHiddenLegendIds(config.legend_hide===true?$$.mapToIds($$.data.targets):config.legend_hide);}// when gauge, hide legend // TODO: fix
if($$.hasType('gauge')){config.legend_show=false;}// Init sizes and scales
$$.updateSizes();$$.updateScales();// Set domains for each scale
$$.x.domain(d3$$1.extent($$.getXDomain($$.data.targets)));$$.y.domain($$.getYDomain($$.data.targets,'y'));$$.y2.domain($$.getYDomain($$.data.targets,'y2'));$$.subX.domain($$.x.domain());$$.subY.domain($$.y.domain());$$.subY2.domain($$.y2.domain());// Save original x domain for zoom update
$$.orgXDomain=$$.x.domain();// Set initialized scales to brush and zoom
if($$.brush){$$.brush.scale($$.subX);}if(config.zoom_enabled){$$.zoom.scale($$.x);}/*-- Basic Elements --*/// Define svgs
$$.svg=$$.selectChart.append("svg").style("overflow","hidden").on('mouseenter',function(){return config.onmouseover.call($$);}).on('mouseleave',function(){return config.onmouseout.call($$);});if($$.config.svg_classname){$$.svg.attr('class',$$.config.svg_classname);}// Define defs
defs=$$.svg.append("defs");$$.clipChart=$$.appendClip(defs,$$.clipId);$$.clipXAxis=$$.appendClip(defs,$$.clipIdForXAxis);$$.clipYAxis=$$.appendClip(defs,$$.clipIdForYAxis);$$.clipGrid=$$.appendClip(defs,$$.clipIdForGrid);$$.clipSubchart=$$.appendClip(defs,$$.clipIdForSubchart);$$.updateSvgSize();// Define regions
main=$$.main=$$.svg.append("g").attr("transform",$$.getTranslate('main'));if($$.initSubchart){$$.initSubchart();}if($$.initTooltip){$$.initTooltip();}if($$.initLegend){$$.initLegend();}if($$.initTitle){$$.initTitle();}/*-- Main Region --*/// text when empty
main.append("text").attr("class",CLASS.text+' '+CLASS.empty).attr("text-anchor","middle")// horizontal centering of text at x position in all browsers.
.attr("dominant-baseline","middle");// vertical centering of text at y position in all browsers, except IE.
// Regions
$$.initRegion();// Grids
$$.initGrid();// Define g for chart area
main.append('g').attr("clip-path",$$.clipPath).attr('class',CLASS.chart);// Grid lines
if(config.grid_lines_front){$$.initGridLines();}// Cover whole with rects for events
$$.initEventRect();// Define g for chart
$$.initChartElements();// if zoom privileged, insert rect to forefront
// TODO: is this needed?
main.insert('rect',config.zoom_privileged?null:'g.'+CLASS.regions).attr('class',CLASS.zoomRect).attr('width',$$.width).attr('height',$$.height).style('opacity',0).on("dblclick.zoom",null);// Set default extent if defined
if(config.axis_x_extent){$$.brush.extent($$.getDefaultExtent());}// Add Axis
$$.axis.init();// Set targets
$$.updateTargets($$.data.targets);// Draw with targets
if(binding){$$.updateDimension();$$.config.oninit.call($$);$$.redraw({withTransition:false,withTransform:true,withUpdateXDomain:true,withUpdateOrgXDomain:true,withTransitionForAxis:false});}// Bind resize event
$$.bindResize();// export element of the chart
$$.api.element=$$.selectChart.node();};c3_chart_internal_fn.smoothLines=function(el,type){var $$=this;if(type==='grid'){el.each(function(){var g=$$.d3.select(this),x1=g.attr('x1'),x2=g.attr('x2'),y1=g.attr('y1'),y2=g.attr('y2');g.attr({'x1':Math.ceil(x1),'x2':Math.ceil(x2),'y1':Math.ceil(y1),'y2':Math.ceil(y2)});});}};c3_chart_internal_fn.updateSizes=function(){var $$=this,config=$$.config;var legendHeight=$$.legend?$$.getLegendHeight():0,legendWidth=$$.legend?$$.getLegendWidth():0,legendHeightForBottom=$$.isLegendRight||$$.isLegendInset?0:legendHeight,hasArc=$$.hasArcType(),xAxisHeight=config.axis_rotated||hasArc?0:$$.getHorizontalAxisHeight('x'),subchartHeight=config.subchart_show&&!hasArc?config.subchart_size_height+xAxisHeight:0;$$.currentWidth=$$.getCurrentWidth();$$.currentHeight=$$.getCurrentHeight();// for main
$$.margin=config.axis_rotated?{top:$$.getHorizontalAxisHeight('y2')+$$.getCurrentPaddingTop(),right:hasArc?0:$$.getCurrentPaddingRight(),bottom:$$.getHorizontalAxisHeight('y')+legendHeightForBottom+$$.getCurrentPaddingBottom(),left:subchartHeight+(hasArc?0:$$.getCurrentPaddingLeft())}:{top:4+$$.getCurrentPaddingTop(),// for top tick text
right:hasArc?0:$$.getCurrentPaddingRight(),bottom:xAxisHeight+subchartHeight+legendHeightForBottom+$$.getCurrentPaddingBottom(),left:hasArc?0:$$.getCurrentPaddingLeft()};// for subchart
$$.margin2=config.axis_rotated?{top:$$.margin.top,right:NaN,bottom:20+legendHeightForBottom,left:$$.rotated_padding_left}:{top:$$.currentHeight-subchartHeight-legendHeightForBottom,right:NaN,bottom:xAxisHeight+legendHeightForBottom,left:$$.margin.left};// for legend
$$.margin3={top:0,right:NaN,bottom:0,left:0};if($$.updateSizeForLegend){$$.updateSizeForLegend(legendHeight,legendWidth);}$$.width=$$.currentWidth-$$.margin.left-$$.margin.right;$$.height=$$.currentHeight-$$.margin.top-$$.margin.bottom;if($$.width<0){$$.width=0;}if($$.height<0){$$.height=0;}$$.width2=config.axis_rotated?$$.margin.left-$$.rotated_padding_left-$$.rotated_padding_right:$$.width;$$.height2=config.axis_rotated?$$.height:$$.currentHeight-$$.margin2.top-$$.margin2.bottom;if($$.width2<0){$$.width2=0;}if($$.height2<0){$$.height2=0;}// for arc
$$.arcWidth=$$.width-($$.isLegendRight?legendWidth+10:0);$$.arcHeight=$$.height-($$.isLegendRight?0:10);if($$.hasType('gauge')&&!config.gauge_fullCircle){$$.arcHeight+=$$.height-$$.getGaugeLabelHeight();}if($$.updateRadius){$$.updateRadius();}if($$.isLegendRight&&hasArc){$$.margin3.left=$$.arcWidth/2+$$.radiusExpanded*1.1;}};c3_chart_internal_fn.updateTargets=function(targets){var $$=this;/*-- Main --*///-- Text --//
$$.updateTargetsForText(targets);//-- Bar --//
$$.updateTargetsForBar(targets);//-- Line --//
$$.updateTargetsForLine(targets);//-- Arc --//
if($$.hasArcType()&&$$.updateTargetsForArc){$$.updateTargetsForArc(targets);}/*-- Sub --*/if($$.updateTargetsForSubchart){$$.updateTargetsForSubchart(targets);}// Fade-in each chart
$$.showTargets();};c3_chart_internal_fn.showTargets=function(){var $$=this;$$.svg.selectAll('.'+CLASS.target).filter(function(d){return $$.isTargetToShow(d.id);}).transition().duration($$.config.transition_duration).style("opacity",1);};c3_chart_internal_fn.redraw=function(options,transitions){var $$=this,main=$$.main,d3$$1=$$.d3,config=$$.config;var areaIndices=$$.getShapeIndices($$.isAreaType),barIndices=$$.getShapeIndices($$.isBarType),lineIndices=$$.getShapeIndices($$.isLineType);var withY,withSubchart,withTransition,withTransitionForExit,withTransitionForAxis,withTransform,withUpdateXDomain,withUpdateOrgXDomain,withTrimXDomain,withLegend,withEventRect,withDimension,withUpdateXAxis;var hideAxis=$$.hasArcType();var drawArea,drawBar,drawLine,xForText,yForText;var duration,durationForExit,durationForAxis;var waitForDraw,flow;var targetsToShow=$$.filterTargetsToShow($$.data.targets),tickValues,i,intervalForCulling,xDomainForZoom;var xv=$$.xv.bind($$),cx,cy;options=options||{};withY=getOption(options,"withY",true);withSubchart=getOption(options,"withSubchart",true);withTransition=getOption(options,"withTransition",true);withTransform=getOption(options,"withTransform",false);withUpdateXDomain=getOption(options,"withUpdateXDomain",false);withUpdateOrgXDomain=getOption(options,"withUpdateOrgXDomain",false);withTrimXDomain=getOption(options,"withTrimXDomain",true);withUpdateXAxis=getOption(options,"withUpdateXAxis",withUpdateXDomain);withLegend=getOption(options,"withLegend",false);withEventRect=getOption(options,"withEventRect",true);withDimension=getOption(options,"withDimension",true);withTransitionForExit=getOption(options,"withTransitionForExit",withTransition);withTransitionForAxis=getOption(options,"withTransitionForAxis",withTransition);duration=withTransition?config.transition_duration:0;durationForExit=withTransitionForExit?duration:0;durationForAxis=withTransitionForAxis?duration:0;transitions=transitions||$$.axis.generateTransitions(durationForAxis);// update legend and transform each g
if(withLegend&&config.legend_show){$$.updateLegend($$.mapToIds($$.data.targets),options,transitions);}else if(withDimension){// need to update dimension (e.g. axis.y.tick.values) because y tick values should change
// no need to update axis in it because they will be updated in redraw()
$$.updateDimension(true);}// MEMO: needed for grids calculation
if($$.isCategorized()&&targetsToShow.length===0){$$.x.domain([0,$$.axes.x.selectAll('.tick').size()]);}if(targetsToShow.length){$$.updateXDomain(targetsToShow,withUpdateXDomain,withUpdateOrgXDomain,withTrimXDomain);if(!config.axis_x_tick_values){tickValues=$$.axis.updateXAxisTickValues(targetsToShow);}}else{$$.xAxis.tickValues([]);$$.subXAxis.tickValues([]);}if(config.zoom_rescale&&!options.flow){xDomainForZoom=$$.x.orgDomain();}$$.y.domain($$.getYDomain(targetsToShow,'y',xDomainForZoom));$$.y2.domain($$.getYDomain(targetsToShow,'y2',xDomainForZoom));if(!config.axis_y_tick_values&&config.axis_y_tick_count){$$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(),config.axis_y_tick_count));}if(!config.axis_y2_tick_values&&config.axis_y2_tick_count){$$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(),config.axis_y2_tick_count));}// axes
$$.axis.redraw(transitions,hideAxis);// Update axis label
$$.axis.updateLabels(withTransition);// show/hide if manual culling needed
if((withUpdateXDomain||withUpdateXAxis)&&targetsToShow.length){if(config.axis_x_tick_culling&&tickValues){for(i=1;i<tickValues.length;i++){if(tickValues.length/i<config.axis_x_tick_culling_max){intervalForCulling=i;break;}}$$.svg.selectAll('.'+CLASS.axisX+' .tick text').each(function(e){var index=tickValues.indexOf(e);if(index>=0){d3$$1.select(this).style('display',index%intervalForCulling?'none':'block');}});}else{$$.svg.selectAll('.'+CLASS.axisX+' .tick text').style('display','block');}}// setup drawer - MEMO: these must be called after axis updated
drawArea=$$.generateDrawArea?$$.generateDrawArea(areaIndices,false):undefined;drawBar=$$.generateDrawBar?$$.generateDrawBar(barIndices):undefined;drawLine=$$.generateDrawLine?$$.generateDrawLine(lineIndices,false):undefined;xForText=$$.generateXYForText(areaIndices,barIndices,lineIndices,true);yForText=$$.generateXYForText(areaIndices,barIndices,lineIndices,false);// Update sub domain
if(withY){$$.subY.domain($$.getYDomain(targetsToShow,'y'));$$.subY2.domain($$.getYDomain(targetsToShow,'y2'));}// xgrid focus
$$.updateXgridFocus();// Data empty label positioning and text.
main.select("text."+CLASS.text+'.'+CLASS.empty).attr("x",$$.width/2).attr("y",$$.height/2).text(config.data_empty_label_text).transition().style('opacity',targetsToShow.length?0:1);// grid
$$.updateGrid(duration);// rect for regions
$$.updateRegion(duration);// bars
$$.updateBar(durationForExit);// lines, areas and cricles
$$.updateLine(durationForExit);$$.updateArea(durationForExit);$$.updateCircle();// text
if($$.hasDataLabel()){$$.updateText(durationForExit);}// title
if($$.redrawTitle){$$.redrawTitle();}// arc
if($$.redrawArc){$$.redrawArc(duration,durationForExit,withTransform);}// subchart
if($$.redrawSubchart){$$.redrawSubchart(withSubchart,transitions,duration,durationForExit,areaIndices,barIndices,lineIndices);}// circles for select
main.selectAll('.'+CLASS.selectedCircles).filter($$.isBarType.bind($$)).selectAll('circle').remove();// event rects will redrawn when flow called
if(config.interaction_enabled&&!options.flow&&withEventRect){$$.redrawEventRect();if($$.updateZoom){$$.updateZoom();}}// update circleY based on updated parameters
$$.updateCircleY();// generate circle x/y functions depending on updated params
cx=($$.config.axis_rotated?$$.circleY:$$.circleX).bind($$);cy=($$.config.axis_rotated?$$.circleX:$$.circleY).bind($$);if(options.flow){flow=$$.generateFlow({targets:targetsToShow,flow:options.flow,duration:options.flow.duration,drawBar:drawBar,drawLine:drawLine,drawArea:drawArea,cx:cx,cy:cy,xv:xv,xForText:xForText,yForText:yForText});}if((duration||flow)&&$$.isTabVisible()){// Only use transition if tab visible. See #938.
// transition should be derived from one transition
d3$$1.transition().duration(duration).each(function(){var transitionsToWait=[];// redraw and gather transitions
[$$.redrawBar(drawBar,true),$$.redrawLine(drawLine,true),$$.redrawArea(drawArea,true),$$.redrawCircle(cx,cy,true),$$.redrawText(xForText,yForText,options.flow,true),$$.redrawRegion(true),$$.redrawGrid(true)].forEach(function(transitions){transitions.forEach(function(transition){transitionsToWait.push(transition);});});// Wait for end of transitions to call flow and onrendered callback
waitForDraw=$$.generateWait();transitionsToWait.forEach(function(t){waitForDraw.add(t);});}).call(waitForDraw,function(){if(flow){flow();}if(config.onrendered){config.onrendered.call($$);}});}else{$$.redrawBar(drawBar);$$.redrawLine(drawLine);$$.redrawArea(drawArea);$$.redrawCircle(cx,cy);$$.redrawText(xForText,yForText,options.flow);$$.redrawRegion();$$.redrawGrid();if(config.onrendered){config.onrendered.call($$);}}// update fadein condition
$$.mapToIds($$.data.targets).forEach(function(id){$$.withoutFadeIn[id]=true;});};c3_chart_internal_fn.updateAndRedraw=function(options){var $$=this,config=$$.config,transitions;options=options||{};// same with redraw
options.withTransition=getOption(options,"withTransition",true);options.withTransform=getOption(options,"withTransform",false);options.withLegend=getOption(options,"withLegend",false);// NOT same with redraw
options.withUpdateXDomain=true;options.withUpdateOrgXDomain=true;options.withTransitionForExit=false;options.withTransitionForTransform=getOption(options,"withTransitionForTransform",options.withTransition);// MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
$$.updateSizes();// MEMO: called in updateLegend in redraw if withLegend
if(!(options.withLegend&&config.legend_show)){transitions=$$.axis.generateTransitions(options.withTransitionForAxis?config.transition_duration:0);// Update scales
$$.updateScales();$$.updateSvgSize();// Update g positions
$$.transformAll(options.withTransitionForTransform,transitions);}// Draw with new sizes & scales
$$.redraw(options,transitions);};c3_chart_internal_fn.redrawWithoutRescale=function(){this.redraw({withY:false,withSubchart:false,withEventRect:false,withTransitionForAxis:false});};c3_chart_internal_fn.isTimeSeries=function(){return this.config.axis_x_type==='timeseries';};c3_chart_internal_fn.isCategorized=function(){return this.config.axis_x_type.indexOf('categor')>=0;};c3_chart_internal_fn.isCustomX=function(){var $$=this,config=$$.config;return!$$.isTimeSeries()&&(config.data_x||notEmpty(config.data_xs));};c3_chart_internal_fn.isTimeSeriesY=function(){return this.config.axis_y_type==='timeseries';};c3_chart_internal_fn.getTranslate=function(target){var $$=this,config=$$.config,x,y;if(target==='main'){x=asHalfPixel($$.margin.left);y=asHalfPixel($$.margin.top);}else if(target==='context'){x=asHalfPixel($$.margin2.left);y=asHalfPixel($$.margin2.top);}else if(target==='legend'){x=$$.margin3.left;y=$$.margin3.top;}else if(target==='x'){x=0;y=config.axis_rotated?0:$$.height;}else if(target==='y'){x=0;y=config.axis_rotated?$$.height:0;}else if(target==='y2'){x=config.axis_rotated?0:$$.width;y=config.axis_rotated?1:0;}else if(target==='subx'){x=0;y=config.axis_rotated?0:$$.height2;}else if(target==='arc'){x=$$.arcWidth/2;y=$$.arcHeight/2;}return"translate("+x+","+y+")";};c3_chart_internal_fn.initialOpacity=function(d){return d.value!==null&&this.withoutFadeIn[d.id]?1:0;};c3_chart_internal_fn.initialOpacityForCircle=function(d){return d.value!==null&&this.withoutFadeIn[d.id]?this.opacityForCircle(d):0;};c3_chart_internal_fn.opacityForCircle=function(d){var opacity=this.config.point_show?1:0;return isValue(d.value)?this.isScatterType(d)?0.5:opacity:0;};c3_chart_internal_fn.opacityForText=function(){return this.hasDataLabel()?1:0;};c3_chart_internal_fn.xx=function(d){return d?this.x(d.x):null;};c3_chart_internal_fn.xv=function(d){var $$=this,value=d.value;if($$.isTimeSeries()){value=$$.parseDate(d.value);}else if($$.isCategorized()&&typeof d.value==='string'){value=$$.config.axis_x_categories.indexOf(d.value);}return Math.ceil($$.x(value));};c3_chart_internal_fn.yv=function(d){var $$=this,yScale=d.axis&&d.axis==='y2'?$$.y2:$$.y;return Math.ceil(yScale(d.value));};c3_chart_internal_fn.subxx=function(d){return d?this.subX(d.x):null;};c3_chart_internal_fn.transformMain=function(withTransition,transitions){var $$=this,xAxis,yAxis,y2Axis;if(transitions&&transitions.axisX){xAxis=transitions.axisX;}else{xAxis=$$.main.select('.'+CLASS.axisX);if(withTransition){xAxis=xAxis.transition();}}if(transitions&&transitions.axisY){yAxis=transitions.axisY;}else{yAxis=$$.main.select('.'+CLASS.axisY);if(withTransition){yAxis=yAxis.transition();}}if(transitions&&transitions.axisY2){y2Axis=transitions.axisY2;}else{y2Axis=$$.main.select('.'+CLASS.axisY2);if(withTransition){y2Axis=y2Axis.transition();}}(withTransition?$$.main.transition():$$.main).attr("transform",$$.getTranslate('main'));xAxis.attr("transform",$$.getTranslate('x'));yAxis.attr("transform",$$.getTranslate('y'));y2Axis.attr("transform",$$.getTranslate('y2'));$$.main.select('.'+CLASS.chartArcs).attr("transform",$$.getTranslate('arc'));};c3_chart_internal_fn.transformAll=function(withTransition,transitions){var $$=this;$$.transformMain(withTransition,transitions);if($$.config.subchart_show){$$.transformContext(withTransition,transitions);}if($$.legend){$$.transformLegend(withTransition);}};c3_chart_internal_fn.updateSvgSize=function(){var $$=this,brush=$$.svg.select(".c3-brush .background");$$.svg.attr('width',$$.currentWidth).attr('height',$$.currentHeight);$$.svg.selectAll(['#'+$$.clipId,'#'+$$.clipIdForGrid]).select('rect').attr('width',$$.width).attr('height',$$.height);$$.svg.select('#'+$$.clipIdForXAxis).select('rect').attr('x',$$.getXAxisClipX.bind($$)).attr('y',$$.getXAxisClipY.bind($$)).attr('width',$$.getXAxisClipWidth.bind($$)).attr('height',$$.getXAxisClipHeight.bind($$));$$.svg.select('#'+$$.clipIdForYAxis).select('rect').attr('x',$$.getYAxisClipX.bind($$)).attr('y',$$.getYAxisClipY.bind($$)).attr('width',$$.getYAxisClipWidth.bind($$)).attr('height',$$.getYAxisClipHeight.bind($$));$$.svg.select('#'+$$.clipIdForSubchart).select('rect').attr('width',$$.width).attr('height',brush.size()?brush.attr('height'):0);$$.svg.select('.'+CLASS.zoomRect).attr('width',$$.width).attr('height',$$.height);// MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
$$.selectChart.style('max-height',$$.currentHeight+"px");};c3_chart_internal_fn.updateDimension=function(withoutAxis){var $$=this;if(!withoutAxis){if($$.config.axis_rotated){$$.axes.x.call($$.xAxis);$$.axes.subx.call($$.subXAxis);}else{$$.axes.y.call($$.yAxis);$$.axes.y2.call($$.y2Axis);}}$$.updateSizes();$$.updateScales();$$.updateSvgSize();$$.transformAll(false);};c3_chart_internal_fn.observeInserted=function(selection){var $$=this,observer;if(typeof MutationObserver==='undefined'){window.console.error("MutationObserver not defined.");return;}observer=new MutationObserver(function(mutations){mutations.forEach(function(mutation){if(mutation.type==='childList'&&mutation.previousSibling){observer.disconnect();// need to wait for completion of load because size calculation requires the actual sizes determined after that completion
$$.intervalForObserveInserted=window.setInterval(function(){// parentNode will NOT be null when completed
if(selection.node().parentNode){window.clearInterval($$.intervalForObserveInserted);$$.updateDimension();if($$.brush){$$.brush.update();}$$.config.oninit.call($$);$$.redraw({withTransform:true,withUpdateXDomain:true,withUpdateOrgXDomain:true,withTransition:false,withTransitionForTransform:false,withLegend:true});selection.transition().style('opacity',1);}},10);}});});observer.observe(selection.node(),{attributes:true,childList:true,characterData:true});};c3_chart_internal_fn.bindResize=function(){var $$=this,config=$$.config;$$.resizeFunction=$$.generateResize();$$.resizeFunction.add(function(){config.onresize.call($$);});if(config.resize_auto){$$.resizeFunction.add(function(){if($$.resizeTimeout!==undefined){window.clearTimeout($$.resizeTimeout);}$$.resizeTimeout=window.setTimeout(function(){delete $$.resizeTimeout;$$.api.flush();},100);});}$$.resizeFunction.add(function(){config.onresized.call($$);});if(window.attachEvent){window.attachEvent('onresize',$$.resizeFunction);}else if(window.addEventListener){window.addEventListener('resize',$$.resizeFunction,false);}else{// fallback to this, if this is a very old browser
var wrapper=window.onresize;if(!wrapper){// create a wrapper that will call all charts
wrapper=$$.generateResize();}else if(!wrapper.add||!wrapper.remove){// there is already a handler registered, make sure we call it too
wrapper=$$.generateResize();wrapper.add(window.onresize);}// add this graph to the wrapper, we will be removed if the user calls destroy
wrapper.add($$.resizeFunction);window.onresize=wrapper;}};c3_chart_internal_fn.generateResize=function(){var resizeFunctions=[];function callResizeFunctions(){resizeFunctions.forEach(function(f){f();});}callResizeFunctions.add=function(f){resizeFunctions.push(f);};callResizeFunctions.remove=function(f){for(var i=0;i<resizeFunctions.length;i++){if(resizeFunctions[i]===f){resizeFunctions.splice(i,1);break;}}};return callResizeFunctions;};c3_chart_internal_fn.endall=function(transition,callback){var n=0;transition.each(function(){++n;}).each("end",function(){if(! --n){callback.apply(this,arguments);}});};c3_chart_internal_fn.generateWait=function(){var transitionsToWait=[],f=function f(transition,callback){var timer=setInterval(function(){var done=0;transitionsToWait.forEach(function(t){if(t.empty()){done+=1;return;}try{t.transition();}catch(e){done+=1;}});if(done===transitionsToWait.length){clearInterval(timer);if(callback){callback();}}},10);};f.add=function(transition){transitionsToWait.push(transition);};return f;};c3_chart_internal_fn.parseDate=function(date){var $$=this,parsedDate;if(date instanceof Date){parsedDate=date;}else if(typeof date==='string'){parsedDate=$$.dataTimeFormat($$.config.data_xFormat).parse(date);}else if(typeof date==='number'&&!isNaN(date)){parsedDate=new Date(+date);}if(!parsedDate||isNaN(+parsedDate)){window.console.error("Failed to parse x '"+date+"' to Date object");}return parsedDate;};c3_chart_internal_fn.isTabVisible=function(){var hidden;if(typeof document.hidden!=="undefined"){// Opera 12.10 and Firefox 18 and later support
hidden="hidden";}else if(typeof document.mozHidden!=="undefined"){hidden="mozHidden";}else if(typeof document.msHidden!=="undefined"){hidden="msHidden";}else if(typeof document.webkitHidden!=="undefined"){hidden="webkitHidden";}return document[hidden]?false:true;};c3_chart_internal_fn.getDefaultConfig=function(){var config={bindto:'#chart',svg_classname:undefined,size_width:undefined,size_height:undefined,padding_left:undefined,padding_right:undefined,padding_top:undefined,padding_bottom:undefined,resize_auto:true,zoom_enabled:false,zoom_extent:undefined,zoom_privileged:false,zoom_rescale:false,zoom_onzoom:function zoom_onzoom(){},zoom_onzoomstart:function zoom_onzoomstart(){},zoom_onzoomend:function zoom_onzoomend(){},zoom_x_min:undefined,zoom_x_max:undefined,interaction_brighten:true,interaction_enabled:true,onmouseover:function onmouseover(){},onmouseout:function onmouseout(){},onresize:function onresize(){},onresized:function onresized(){},oninit:function oninit(){},onrendered:function onrendered(){},transition_duration:350,data_x:undefined,data_xs:{},data_xFormat:'%Y-%m-%d',data_xLocaltime:true,data_xSort:true,data_idConverter:function data_idConverter(id){return id;},data_names:{},data_classes:{},data_groups:[],data_axes:{},data_type:undefined,data_types:{},data_labels:{},data_order:'desc',data_regions:{},data_color:undefined,data_colors:{},data_hide:false,data_filter:undefined,data_selection_enabled:false,data_selection_grouped:false,data_selection_isselectable:function data_selection_isselectable(){return true;},data_selection_multiple:true,data_selection_draggable:false,data_onclick:function data_onclick(){},data_onmouseover:function data_onmouseover(){},data_onmouseout:function data_onmouseout(){},data_onselected:function data_onselected(){},data_onunselected:function data_onunselected(){},data_url:undefined,data_headers:undefined,data_json:undefined,data_rows:undefined,data_columns:undefined,data_mimeType:undefined,data_keys:undefined,// configuration for no plot-able data supplied.
data_empty_label_text:"",// subchart
subchart_show:false,subchart_size_height:60,subchart_axis_x_show:true,subchart_onbrush:function subchart_onbrush(){},// color
color_pattern:[],color_threshold:{},// legend
legend_show:true,legend_hide:false,legend_position:'bottom',legend_inset_anchor:'top-left',legend_inset_x:10,legend_inset_y:0,legend_inset_step:undefined,legend_item_onclick:undefined,legend_item_onmouseover:undefined,legend_item_onmouseout:undefined,legend_equally:false,legend_padding:0,legend_item_tile_width:10,legend_item_tile_height:10,// axis
axis_rotated:false,axis_x_show:true,axis_x_type:'indexed',axis_x_localtime:true,axis_x_categories:[],axis_x_tick_centered:false,axis_x_tick_format:undefined,axis_x_tick_culling:{},axis_x_tick_culling_max:10,axis_x_tick_count:undefined,axis_x_tick_fit:true,axis_x_tick_values:null,axis_x_tick_rotate:0,axis_x_tick_outer:true,axis_x_tick_multiline:true,axis_x_tick_width:null,axis_x_max:undefined,axis_x_min:undefined,axis_x_padding:{},axis_x_height:undefined,axis_x_extent:undefined,axis_x_label:{},axis_y_show:true,axis_y_type:undefined,axis_y_max:undefined,axis_y_min:undefined,axis_y_inverted:false,axis_y_center:undefined,axis_y_inner:undefined,axis_y_label:{},axis_y_tick_format:undefined,axis_y_tick_outer:true,axis_y_tick_values:null,axis_y_tick_rotate:0,axis_y_tick_count:undefined,axis_y_tick_time_value:undefined,axis_y_tick_time_interval:undefined,axis_y_padding:{},axis_y_default:undefined,axis_y2_show:false,axis_y2_max:undefined,axis_y2_min:undefined,axis_y2_inverted:false,axis_y2_center:undefined,axis_y2_inner:undefined,axis_y2_label:{},axis_y2_tick_format:undefined,axis_y2_tick_outer:true,axis_y2_tick_values:null,axis_y2_tick_count:undefined,axis_y2_padding:{},axis_y2_default:undefined,// grid
grid_x_show:false,grid_x_type:'tick',grid_x_lines:[],grid_y_show:false,// not used
// grid_y_type: 'tick',
grid_y_lines:[],grid_y_ticks:10,grid_focus_show:true,grid_lines_front:true,// point - point of each data
point_show:true,point_r:2.5,point_sensitivity:10,point_focus_expand_enabled:true,point_focus_expand_r:undefined,point_select_r:undefined,// line
line_connectNull:false,line_step_type:'step',// bar
bar_width:undefined,bar_width_ratio:0.6,bar_width_max:undefined,bar_zerobased:true,// area
area_zerobased:true,area_above:false,// pie
pie_label_show:true,pie_label_format:undefined,pie_label_threshold:0.05,pie_label_ratio:undefined,pie_expand:{},pie_expand_duration:50,// gauge
gauge_fullCircle:false,gauge_label_show:true,gauge_label_format:undefined,gauge_min:0,gauge_max:100,gauge_startingAngle:-1*Math.PI/2,gauge_units:undefined,gauge_width:undefined,gauge_expand:{},gauge_expand_duration:50,// donut
donut_label_show:true,donut_label_format:undefined,donut_label_threshold:0.05,donut_label_ratio:undefined,donut_width:undefined,donut_title:"",donut_expand:{},donut_expand_duration:50,// spline
spline_interpolation_type:'cardinal',// region - region to change style
regions:[],// tooltip - show when mouseover on each data
tooltip_show:true,tooltip_grouped:true,tooltip_format_title:undefined,tooltip_format_name:undefined,tooltip_format_value:undefined,tooltip_position:undefined,tooltip_contents:function tooltip_contents(d,defaultTitleFormat,defaultValueFormat,color){return this.getTooltipContent?this.getTooltipContent(d,defaultTitleFormat,defaultValueFormat,color):'';},tooltip_init_show:false,tooltip_init_x:0,tooltip_init_position:{top:'0px',left:'50px'},tooltip_onshow:function tooltip_onshow(){},tooltip_onhide:function tooltip_onhide(){},// title
title_text:undefined,title_padding:{top:0,right:0,bottom:0,left:0},title_position:'top-center',//TouchEvent configuration
touch_tap_radius:20,//touch movement must be less than this to be a 'tap'
touch_tap_delay:500};Object.keys(this.additionalConfig).forEach(function(key){config[key]=this.additionalConfig[key];},this);return config;};c3_chart_internal_fn.additionalConfig={};c3_chart_internal_fn.loadConfig=function(config){var this_config=this.config,target,keys,read;function find(){var key=keys.shift();//        console.log("key =>", key, ", target =>", target);
if(key&&target&&(typeof target==='undefined'?'undefined':_typeof(target))==='object'&&key in target){target=target[key];return find();}else if(!key){return target;}else{return undefined;}}Object.keys(this_config).forEach(function(key){target=config;keys=key.split('_');read=find();//        console.log("CONFIG : ", key, read);
if(isDefined(read)){this_config[key]=read;}});};c3_chart_internal_fn.getScale=function(min,max,forTimeseries){return(forTimeseries?this.d3.time.scale():this.d3.scale.linear()).range([min,max]);};c3_chart_internal_fn.getX=function(min,max,domain,offset){var $$=this,scale=$$.getScale(min,max,$$.isTimeSeries()),_scale=domain?scale.domain(domain):scale,key;// Define customized scale if categorized axis
if($$.isCategorized()){offset=offset||function(){return 0;};scale=function scale(d,raw){var v=_scale(d)+offset(d);return raw?v:Math.ceil(v);};}else{scale=function scale(d,raw){var v=_scale(d);return raw?v:Math.ceil(v);};}// define functions
for(key in _scale){scale[key]=_scale[key];}scale.orgDomain=function(){return _scale.domain();};// define custom domain() for categorized axis
if($$.isCategorized()){scale.domain=function(domain){if(!arguments.length){domain=this.orgDomain();return[domain[0],domain[1]+1];}_scale.domain(domain);return scale;};}return scale;};c3_chart_internal_fn.getY=function(min,max,domain){var scale=this.getScale(min,max,this.isTimeSeriesY());if(domain){scale.domain(domain);}return scale;};c3_chart_internal_fn.getYScale=function(id){return this.axis.getId(id)==='y2'?this.y2:this.y;};c3_chart_internal_fn.getSubYScale=function(id){return this.axis.getId(id)==='y2'?this.subY2:this.subY;};c3_chart_internal_fn.updateScales=function(){var $$=this,config=$$.config,forInit=!$$.x;// update edges
$$.xMin=config.axis_rotated?1:0;$$.xMax=config.axis_rotated?$$.height:$$.width;$$.yMin=config.axis_rotated?0:$$.height;$$.yMax=config.axis_rotated?$$.width:1;$$.subXMin=$$.xMin;$$.subXMax=$$.xMax;$$.subYMin=config.axis_rotated?0:$$.height2;$$.subYMax=config.axis_rotated?$$.width2:1;// update scales
$$.x=$$.getX($$.xMin,$$.xMax,forInit?undefined:$$.x.orgDomain(),function(){return $$.xAxis.tickOffset();});$$.y=$$.getY($$.yMin,$$.yMax,forInit?config.axis_y_default:$$.y.domain());$$.y2=$$.getY($$.yMin,$$.yMax,forInit?config.axis_y2_default:$$.y2.domain());$$.subX=$$.getX($$.xMin,$$.xMax,$$.orgXDomain,function(d){return d%1?0:$$.subXAxis.tickOffset();});$$.subY=$$.getY($$.subYMin,$$.subYMax,forInit?config.axis_y_default:$$.subY.domain());$$.subY2=$$.getY($$.subYMin,$$.subYMax,forInit?config.axis_y2_default:$$.subY2.domain());// update axes
$$.xAxisTickFormat=$$.axis.getXAxisTickFormat();$$.xAxisTickValues=$$.axis.getXAxisTickValues();$$.yAxisTickValues=$$.axis.getYAxisTickValues();$$.y2AxisTickValues=$$.axis.getY2AxisTickValues();$$.xAxis=$$.axis.getXAxis($$.x,$$.xOrient,$$.xAxisTickFormat,$$.xAxisTickValues,config.axis_x_tick_outer);$$.subXAxis=$$.axis.getXAxis($$.subX,$$.subXOrient,$$.xAxisTickFormat,$$.xAxisTickValues,config.axis_x_tick_outer);$$.yAxis=$$.axis.getYAxis($$.y,$$.yOrient,config.axis_y_tick_format,$$.yAxisTickValues,config.axis_y_tick_outer);$$.y2Axis=$$.axis.getYAxis($$.y2,$$.y2Orient,config.axis_y2_tick_format,$$.y2AxisTickValues,config.axis_y2_tick_outer);// Set initialized scales to brush and zoom
if(!forInit){if($$.brush){$$.brush.scale($$.subX);}if(config.zoom_enabled){$$.zoom.scale($$.x);}}// update for arc
if($$.updateArc){$$.updateArc();}};c3_chart_internal_fn.getYDomainMin=function(targets){var $$=this,config=$$.config,ids=$$.mapToIds(targets),ys=$$.getValuesAsIdKeyed(targets),j,k,baseId,idsInGroup,id,hasNegativeValue;if(config.data_groups.length>0){hasNegativeValue=$$.hasNegativeValueInTargets(targets);for(j=0;j<config.data_groups.length;j++){// Determine baseId
idsInGroup=config.data_groups[j].filter(function(id){return ids.indexOf(id)>=0;});if(idsInGroup.length===0){continue;}baseId=idsInGroup[0];// Consider negative values
if(hasNegativeValue&&ys[baseId]){ys[baseId].forEach(function(v,i){ys[baseId][i]=v<0?v:0;});}// Compute min
for(k=1;k<idsInGroup.length;k++){id=idsInGroup[k];if(!ys[id]){continue;}ys[id].forEach(function(v,i){if($$.axis.getId(id)===$$.axis.getId(baseId)&&ys[baseId]&&!(hasNegativeValue&&+v>0)){ys[baseId][i]+=+v;}});}}}return $$.d3.min(Object.keys(ys).map(function(key){return $$.d3.min(ys[key]);}));};c3_chart_internal_fn.getYDomainMax=function(targets){var $$=this,config=$$.config,ids=$$.mapToIds(targets),ys=$$.getValuesAsIdKeyed(targets),j,k,baseId,idsInGroup,id,hasPositiveValue;if(config.data_groups.length>0){hasPositiveValue=$$.hasPositiveValueInTargets(targets);for(j=0;j<config.data_groups.length;j++){// Determine baseId
idsInGroup=config.data_groups[j].filter(function(id){return ids.indexOf(id)>=0;});if(idsInGroup.length===0){continue;}baseId=idsInGroup[0];// Consider positive values
if(hasPositiveValue&&ys[baseId]){ys[baseId].forEach(function(v,i){ys[baseId][i]=v>0?v:0;});}// Compute max
for(k=1;k<idsInGroup.length;k++){id=idsInGroup[k];if(!ys[id]){continue;}ys[id].forEach(function(v,i){if($$.axis.getId(id)===$$.axis.getId(baseId)&&ys[baseId]&&!(hasPositiveValue&&+v<0)){ys[baseId][i]+=+v;}});}}}return $$.d3.max(Object.keys(ys).map(function(key){return $$.d3.max(ys[key]);}));};c3_chart_internal_fn.getYDomain=function(targets,axisId,xDomain){var $$=this,config=$$.config,targetsByAxisId=targets.filter(function(t){return $$.axis.getId(t.id)===axisId;}),yTargets=xDomain?$$.filterByXDomain(targetsByAxisId,xDomain):targetsByAxisId,yMin=axisId==='y2'?config.axis_y2_min:config.axis_y_min,yMax=axisId==='y2'?config.axis_y2_max:config.axis_y_max,yDomainMin=$$.getYDomainMin(yTargets),yDomainMax=$$.getYDomainMax(yTargets),domain,domainLength,padding,padding_top,padding_bottom,center=axisId==='y2'?config.axis_y2_center:config.axis_y_center,yDomainAbs,lengths,diff,ratio,isAllPositive,isAllNegative,isZeroBased=$$.hasType('bar',yTargets)&&config.bar_zerobased||$$.hasType('area',yTargets)&&config.area_zerobased,isInverted=axisId==='y2'?config.axis_y2_inverted:config.axis_y_inverted,showHorizontalDataLabel=$$.hasDataLabel()&&config.axis_rotated,showVerticalDataLabel=$$.hasDataLabel()&&!config.axis_rotated;// MEMO: avoid inverting domain unexpectedly
yDomainMin=isValue(yMin)?yMin:isValue(yMax)?yDomainMin<yMax?yDomainMin:yMax-10:yDomainMin;yDomainMax=isValue(yMax)?yMax:isValue(yMin)?yMin<yDomainMax?yDomainMax:yMin+10:yDomainMax;if(yTargets.length===0){// use current domain if target of axisId is none
return axisId==='y2'?$$.y2.domain():$$.y.domain();}if(isNaN(yDomainMin)){// set minimum to zero when not number
yDomainMin=0;}if(isNaN(yDomainMax)){// set maximum to have same value as yDomainMin
yDomainMax=yDomainMin;}if(yDomainMin===yDomainMax){yDomainMin<0?yDomainMax=0:yDomainMin=0;}isAllPositive=yDomainMin>=0&&yDomainMax>=0;isAllNegative=yDomainMin<=0&&yDomainMax<=0;// Cancel zerobased if axis_*_min / axis_*_max specified
if(isValue(yMin)&&isAllPositive||isValue(yMax)&&isAllNegative){isZeroBased=false;}// Bar/Area chart should be 0-based if all positive|negative
if(isZeroBased){if(isAllPositive){yDomainMin=0;}if(isAllNegative){yDomainMax=0;}}domainLength=Math.abs(yDomainMax-yDomainMin);padding=padding_top=padding_bottom=domainLength*0.1;if(typeof center!=='undefined'){yDomainAbs=Math.max(Math.abs(yDomainMin),Math.abs(yDomainMax));yDomainMax=center+yDomainAbs;yDomainMin=center-yDomainAbs;}// add padding for data label
if(showHorizontalDataLabel){lengths=$$.getDataLabelLength(yDomainMin,yDomainMax,'width');diff=diffDomain($$.y.range());ratio=[lengths[0]/diff,lengths[1]/diff];padding_top+=domainLength*(ratio[1]/(1-ratio[0]-ratio[1]));padding_bottom+=domainLength*(ratio[0]/(1-ratio[0]-ratio[1]));}else if(showVerticalDataLabel){lengths=$$.getDataLabelLength(yDomainMin,yDomainMax,'height');padding_top+=$$.axis.convertPixelsToAxisPadding(lengths[1],domainLength);padding_bottom+=$$.axis.convertPixelsToAxisPadding(lengths[0],domainLength);}if(axisId==='y'&&notEmpty(config.axis_y_padding)){padding_top=$$.axis.getPadding(config.axis_y_padding,'top',padding_top,domainLength);padding_bottom=$$.axis.getPadding(config.axis_y_padding,'bottom',padding_bottom,domainLength);}if(axisId==='y2'&&notEmpty(config.axis_y2_padding)){padding_top=$$.axis.getPadding(config.axis_y2_padding,'top',padding_top,domainLength);padding_bottom=$$.axis.getPadding(config.axis_y2_padding,'bottom',padding_bottom,domainLength);}// Bar/Area chart should be 0-based if all positive|negative
if(isZeroBased){if(isAllPositive){padding_bottom=yDomainMin;}if(isAllNegative){padding_top=-yDomainMax;}}domain=[yDomainMin-padding_bottom,yDomainMax+padding_top];return isInverted?domain.reverse():domain;};c3_chart_internal_fn.getXDomainMin=function(targets){var $$=this,config=$$.config;return isDefined(config.axis_x_min)?$$.isTimeSeries()?this.parseDate(config.axis_x_min):config.axis_x_min:$$.d3.min(targets,function(t){return $$.d3.min(t.values,function(v){return v.x;});});};c3_chart_internal_fn.getXDomainMax=function(targets){var $$=this,config=$$.config;return isDefined(config.axis_x_max)?$$.isTimeSeries()?this.parseDate(config.axis_x_max):config.axis_x_max:$$.d3.max(targets,function(t){return $$.d3.max(t.values,function(v){return v.x;});});};c3_chart_internal_fn.getXDomainPadding=function(domain){var $$=this,config=$$.config,diff=domain[1]-domain[0],maxDataCount,padding,paddingLeft,paddingRight;if($$.isCategorized()){padding=0;}else if($$.hasType('bar')){maxDataCount=$$.getMaxDataCount();padding=maxDataCount>1?diff/(maxDataCount-1)/2:0.5;}else{padding=diff*0.01;}if(_typeof(config.axis_x_padding)==='object'&&notEmpty(config.axis_x_padding)){paddingLeft=isValue(config.axis_x_padding.left)?config.axis_x_padding.left:padding;paddingRight=isValue(config.axis_x_padding.right)?config.axis_x_padding.right:padding;}else if(typeof config.axis_x_padding==='number'){paddingLeft=paddingRight=config.axis_x_padding;}else{paddingLeft=paddingRight=padding;}return{left:paddingLeft,right:paddingRight};};c3_chart_internal_fn.getXDomain=function(targets){var $$=this,xDomain=[$$.getXDomainMin(targets),$$.getXDomainMax(targets)],firstX=xDomain[0],lastX=xDomain[1],padding=$$.getXDomainPadding(xDomain),min=0,max=0;// show center of x domain if min and max are the same
if(firstX-lastX===0&&!$$.isCategorized()){if($$.isTimeSeries()){firstX=new Date(firstX.getTime()*0.5);lastX=new Date(lastX.getTime()*1.5);}else{firstX=firstX===0?1:firstX*0.5;lastX=lastX===0?-1:lastX*1.5;}}if(firstX||firstX===0){min=$$.isTimeSeries()?new Date(firstX.getTime()-padding.left):firstX-padding.left;}if(lastX||lastX===0){max=$$.isTimeSeries()?new Date(lastX.getTime()+padding.right):lastX+padding.right;}return[min,max];};c3_chart_internal_fn.updateXDomain=function(targets,withUpdateXDomain,withUpdateOrgXDomain,withTrim,domain){var $$=this,config=$$.config;if(withUpdateOrgXDomain){$$.x.domain(domain?domain:$$.d3.extent($$.getXDomain(targets)));$$.orgXDomain=$$.x.domain();if(config.zoom_enabled){$$.zoom.scale($$.x).updateScaleExtent();}$$.subX.domain($$.x.domain());if($$.brush){$$.brush.scale($$.subX);}}if(withUpdateXDomain){$$.x.domain(domain?domain:!$$.brush||$$.brush.empty()?$$.orgXDomain:$$.brush.extent());if(config.zoom_enabled){$$.zoom.scale($$.x).updateScaleExtent();}}// Trim domain when too big by zoom mousemove event
if(withTrim){$$.x.domain($$.trimXDomain($$.x.orgDomain()));}return $$.x.domain();};c3_chart_internal_fn.trimXDomain=function(domain){var zoomDomain=this.getZoomDomain(),min=zoomDomain[0],max=zoomDomain[1];if(domain[0]<=min){domain[1]=+domain[1]+(min-domain[0]);domain[0]=min;}if(max<=domain[1]){domain[0]=+domain[0]-(domain[1]-max);domain[1]=max;}return domain;};c3_chart_internal_fn.isX=function(key){var $$=this,config=$$.config;return config.data_x&&key===config.data_x||notEmpty(config.data_xs)&&hasValue(config.data_xs,key);};c3_chart_internal_fn.isNotX=function(key){return!this.isX(key);};c3_chart_internal_fn.getXKey=function(id){var $$=this,config=$$.config;return config.data_x?config.data_x:notEmpty(config.data_xs)?config.data_xs[id]:null;};c3_chart_internal_fn.getXValuesOfXKey=function(key,targets){var $$=this,xValues,ids=targets&&notEmpty(targets)?$$.mapToIds(targets):[];ids.forEach(function(id){if($$.getXKey(id)===key){xValues=$$.data.xs[id];}});return xValues;};c3_chart_internal_fn.getIndexByX=function(x){var $$=this,data=$$.filterByX($$.data.targets,x);return data.length?data[0].index:null;};c3_chart_internal_fn.getXValue=function(id,i){var $$=this;return id in $$.data.xs&&$$.data.xs[id]&&isValue($$.data.xs[id][i])?$$.data.xs[id][i]:i;};c3_chart_internal_fn.getOtherTargetXs=function(){var $$=this,idsForX=Object.keys($$.data.xs);return idsForX.length?$$.data.xs[idsForX[0]]:null;};c3_chart_internal_fn.getOtherTargetX=function(index){var xs=this.getOtherTargetXs();return xs&&index<xs.length?xs[index]:null;};c3_chart_internal_fn.addXs=function(xs){var $$=this;Object.keys(xs).forEach(function(id){$$.config.data_xs[id]=xs[id];});};c3_chart_internal_fn.hasMultipleX=function(xs){return this.d3.set(Object.keys(xs).map(function(id){return xs[id];})).size()>1;};c3_chart_internal_fn.isMultipleX=function(){return notEmpty(this.config.data_xs)||!this.config.data_xSort||this.hasType('scatter');};c3_chart_internal_fn.addName=function(data){var $$=this,name;if(data){name=$$.config.data_names[data.id];data.name=name!==undefined?name:data.id;}return data;};c3_chart_internal_fn.getValueOnIndex=function(values,index){var valueOnIndex=values.filter(function(v){return v.index===index;});return valueOnIndex.length?valueOnIndex[0]:null;};c3_chart_internal_fn.updateTargetX=function(targets,x){var $$=this;targets.forEach(function(t){t.values.forEach(function(v,i){v.x=$$.generateTargetX(x[i],t.id,i);});$$.data.xs[t.id]=x;});};c3_chart_internal_fn.updateTargetXs=function(targets,xs){var $$=this;targets.forEach(function(t){if(xs[t.id]){$$.updateTargetX([t],xs[t.id]);}});};c3_chart_internal_fn.generateTargetX=function(rawX,id,index){var $$=this,x;if($$.isTimeSeries()){x=rawX?$$.parseDate(rawX):$$.parseDate($$.getXValue(id,index));}else if($$.isCustomX()&&!$$.isCategorized()){x=isValue(rawX)?+rawX:$$.getXValue(id,index);}else{x=index;}return x;};c3_chart_internal_fn.cloneTarget=function(target){return{id:target.id,id_org:target.id_org,values:target.values.map(function(d){return{x:d.x,value:d.value,id:d.id};})};};c3_chart_internal_fn.updateXs=function(){var $$=this;if($$.data.targets.length){$$.xs=[];$$.data.targets[0].values.forEach(function(v){$$.xs[v.index]=v.x;});}};c3_chart_internal_fn.getPrevX=function(i){var x=this.xs[i-1];return typeof x!=='undefined'?x:null;};c3_chart_internal_fn.getNextX=function(i){var x=this.xs[i+1];return typeof x!=='undefined'?x:null;};c3_chart_internal_fn.getMaxDataCount=function(){var $$=this;return $$.d3.max($$.data.targets,function(t){return t.values.length;});};c3_chart_internal_fn.getMaxDataCountTarget=function(targets){var length=targets.length,max=0,maxTarget;if(length>1){targets.forEach(function(t){if(t.values.length>max){maxTarget=t;max=t.values.length;}});}else{maxTarget=length?targets[0]:null;}return maxTarget;};c3_chart_internal_fn.getEdgeX=function(targets){var $$=this;return!targets.length?[0,0]:[$$.d3.min(targets,function(t){return t.values[0].x;}),$$.d3.max(targets,function(t){return t.values[t.values.length-1].x;})];};c3_chart_internal_fn.mapToIds=function(targets){return targets.map(function(d){return d.id;});};c3_chart_internal_fn.mapToTargetIds=function(ids){var $$=this;return ids?[].concat(ids):$$.mapToIds($$.data.targets);};c3_chart_internal_fn.hasTarget=function(targets,id){var ids=this.mapToIds(targets),i;for(i=0;i<ids.length;i++){if(ids[i]===id){return true;}}return false;};c3_chart_internal_fn.isTargetToShow=function(targetId){return this.hiddenTargetIds.indexOf(targetId)<0;};c3_chart_internal_fn.isLegendToShow=function(targetId){return this.hiddenLegendIds.indexOf(targetId)<0;};c3_chart_internal_fn.filterTargetsToShow=function(targets){var $$=this;return targets.filter(function(t){return $$.isTargetToShow(t.id);});};c3_chart_internal_fn.mapTargetsToUniqueXs=function(targets){var $$=this;var xs=$$.d3.set($$.d3.merge(targets.map(function(t){return t.values.map(function(v){return+v.x;});}))).values();xs=$$.isTimeSeries()?xs.map(function(x){return new Date(+x);}):xs.map(function(x){return+x;});return xs.sort(function(a,b){return a<b?-1:a>b?1:a>=b?0:NaN;});};c3_chart_internal_fn.addHiddenTargetIds=function(targetIds){this.hiddenTargetIds=this.hiddenTargetIds.concat(targetIds);};c3_chart_internal_fn.removeHiddenTargetIds=function(targetIds){this.hiddenTargetIds=this.hiddenTargetIds.filter(function(id){return targetIds.indexOf(id)<0;});};c3_chart_internal_fn.addHiddenLegendIds=function(targetIds){this.hiddenLegendIds=this.hiddenLegendIds.concat(targetIds);};c3_chart_internal_fn.removeHiddenLegendIds=function(targetIds){this.hiddenLegendIds=this.hiddenLegendIds.filter(function(id){return targetIds.indexOf(id)<0;});};c3_chart_internal_fn.getValuesAsIdKeyed=function(targets){var ys={};targets.forEach(function(t){ys[t.id]=[];t.values.forEach(function(v){ys[t.id].push(v.value);});});return ys;};c3_chart_internal_fn.checkValueInTargets=function(targets,checker){var ids=Object.keys(targets),i,j,values;for(i=0;i<ids.length;i++){values=targets[ids[i]].values;for(j=0;j<values.length;j++){if(checker(values[j].value)){return true;}}}return false;};c3_chart_internal_fn.hasNegativeValueInTargets=function(targets){return this.checkValueInTargets(targets,function(v){return v<0;});};c3_chart_internal_fn.hasPositiveValueInTargets=function(targets){return this.checkValueInTargets(targets,function(v){return v>0;});};c3_chart_internal_fn.isOrderDesc=function(){var config=this.config;return typeof config.data_order==='string'&&config.data_order.toLowerCase()==='desc';};c3_chart_internal_fn.isOrderAsc=function(){var config=this.config;return typeof config.data_order==='string'&&config.data_order.toLowerCase()==='asc';};c3_chart_internal_fn.orderTargets=function(targets){var $$=this,config=$$.config,orderAsc=$$.isOrderAsc(),orderDesc=$$.isOrderDesc();if(orderAsc||orderDesc){targets.sort(function(t1,t2){var reducer=function reducer(p,c){return p+Math.abs(c.value);};var t1Sum=t1.values.reduce(reducer,0),t2Sum=t2.values.reduce(reducer,0);return orderAsc?t2Sum-t1Sum:t1Sum-t2Sum;});}else if(isFunction(config.data_order)){targets.sort(config.data_order);}// TODO: accept name array for order
return targets;};c3_chart_internal_fn.filterByX=function(targets,x){return this.d3.merge(targets.map(function(t){return t.values;})).filter(function(v){return v.x-x===0;});};c3_chart_internal_fn.filterRemoveNull=function(data){return data.filter(function(d){return isValue(d.value);});};c3_chart_internal_fn.filterByXDomain=function(targets,xDomain){return targets.map(function(t){return{id:t.id,id_org:t.id_org,values:t.values.filter(function(v){return xDomain[0]<=v.x&&v.x<=xDomain[1];})};});};c3_chart_internal_fn.hasDataLabel=function(){var config=this.config;if(typeof config.data_labels==='boolean'&&config.data_labels){return true;}else if(_typeof(config.data_labels)==='object'&&notEmpty(config.data_labels)){return true;}return false;};c3_chart_internal_fn.getDataLabelLength=function(min,max,key){var $$=this,lengths=[0,0],paddingCoef=1.3;$$.selectChart.select('svg').selectAll('.dummy').data([min,max]).enter().append('text').text(function(d){return $$.dataLabelFormat(d.id)(d);}).each(function(d,i){lengths[i]=this.getBoundingClientRect()[key]*paddingCoef;}).remove();return lengths;};c3_chart_internal_fn.isNoneArc=function(d){return this.hasTarget(this.data.targets,d.id);},c3_chart_internal_fn.isArc=function(d){return'data'in d&&this.hasTarget(this.data.targets,d.data.id);};c3_chart_internal_fn.findSameXOfValues=function(values,index){var i,targetX=values[index].x,sames=[];for(i=index-1;i>=0;i--){if(targetX!==values[i].x){break;}sames.push(values[i]);}for(i=index;i<values.length;i++){if(targetX!==values[i].x){break;}sames.push(values[i]);}return sames;};c3_chart_internal_fn.findClosestFromTargets=function(targets,pos){var $$=this,candidates;// map to array of closest points of each target
candidates=targets.map(function(target){return $$.findClosest(target.values,pos);});// decide closest point and return
return $$.findClosest(candidates,pos);};c3_chart_internal_fn.findClosest=function(values,pos){var $$=this,minDist=$$.config.point_sensitivity,closest;// find mouseovering bar
values.filter(function(v){return v&&$$.isBarType(v.id);}).forEach(function(v){var shape=$$.main.select('.'+CLASS.bars+$$.getTargetSelectorSuffix(v.id)+' .'+CLASS.bar+'-'+v.index).node();if(!closest&&$$.isWithinBar(shape)){closest=v;}});// find closest point from non-bar
values.filter(function(v){return v&&!$$.isBarType(v.id);}).forEach(function(v){var d=$$.dist(v,pos);if(d<minDist){minDist=d;closest=v;}});return closest;};c3_chart_internal_fn.dist=function(data,pos){var $$=this,config=$$.config,xIndex=config.axis_rotated?1:0,yIndex=config.axis_rotated?0:1,y=$$.circleY(data,data.index),x=$$.x(data.x);return Math.sqrt(Math.pow(x-pos[xIndex],2)+Math.pow(y-pos[yIndex],2));};c3_chart_internal_fn.convertValuesToStep=function(values){var converted=[].concat(values),i;if(!this.isCategorized()){return values;}for(i=values.length+1;0<i;i--){converted[i]=converted[i-1];}converted[0]={x:converted[0].x-1,value:converted[0].value,id:converted[0].id};converted[values.length+1]={x:converted[values.length].x+1,value:converted[values.length].value,id:converted[values.length].id};return converted;};c3_chart_internal_fn.updateDataAttributes=function(name,attrs){var $$=this,config=$$.config,current=config['data_'+name];if(typeof attrs==='undefined'){return current;}Object.keys(attrs).forEach(function(id){current[id]=attrs[id];});$$.redraw({withLegend:true});return current;};c3_chart_internal_fn.convertUrlToData=function(url,mimeType,headers,keys,done){var $$=this,type=mimeType?mimeType:'csv';var req=$$.d3.xhr(url);if(headers){Object.keys(headers).forEach(function(header){req.header(header,headers[header]);});}req.get(function(error,data){var d;if(!data){throw new Error(error.responseURL+' '+error.status+' ('+error.statusText+')');}if(type==='json'){d=$$.convertJsonToData(JSON.parse(data.response),keys);}else if(type==='tsv'){d=$$.convertTsvToData(data.response);}else{d=$$.convertCsvToData(data.response);}done.call($$,d);});};c3_chart_internal_fn.convertXsvToData=function(xsv,parser){var rows=parser.parseRows(xsv),d;if(rows.length===1){d=[{}];rows[0].forEach(function(id){d[0][id]=null;});}else{d=parser.parse(xsv);}return d;};c3_chart_internal_fn.convertCsvToData=function(csv){return this.convertXsvToData(csv,this.d3.csv);};c3_chart_internal_fn.convertTsvToData=function(tsv){return this.convertXsvToData(tsv,this.d3.tsv);};c3_chart_internal_fn.convertJsonToData=function(json,keys){var $$=this,new_rows=[],targetKeys,data;if(keys){// when keys specified, json would be an array that includes objects
if(keys.x){targetKeys=keys.value.concat(keys.x);$$.config.data_x=keys.x;}else{targetKeys=keys.value;}new_rows.push(targetKeys);json.forEach(function(o){var new_row=[];targetKeys.forEach(function(key){// convert undefined to null because undefined data will be removed in convertDataToTargets()
var v=$$.findValueInJson(o,key);if(isUndefined(v)){v=null;}new_row.push(v);});new_rows.push(new_row);});data=$$.convertRowsToData(new_rows);}else{Object.keys(json).forEach(function(key){new_rows.push([key].concat(json[key]));});data=$$.convertColumnsToData(new_rows);}return data;};c3_chart_internal_fn.findValueInJson=function(object,path){path=path.replace(/\[(\w+)\]/g,'.$1');// convert indexes to properties (replace [] with .)
path=path.replace(/^\./,'');// strip a leading dot
var pathArray=path.split('.');for(var i=0;i<pathArray.length;++i){var k=pathArray[i];if(k in object){object=object[k];}else{return;}}return object;};c3_chart_internal_fn.convertRowsToData=function(rows){var keys=rows[0],new_row={},new_rows=[],i,j;for(i=1;i<rows.length;i++){new_row={};for(j=0;j<rows[i].length;j++){if(isUndefined(rows[i][j])){throw new Error("Source data is missing a component at ("+i+","+j+")!");}new_row[keys[j]]=rows[i][j];}new_rows.push(new_row);}return new_rows;};c3_chart_internal_fn.convertColumnsToData=function(columns){var new_rows=[],i,j,key;for(i=0;i<columns.length;i++){key=columns[i][0];for(j=1;j<columns[i].length;j++){if(isUndefined(new_rows[j-1])){new_rows[j-1]={};}if(isUndefined(columns[i][j])){throw new Error("Source data is missing a component at ("+i+","+j+")!");}new_rows[j-1][key]=columns[i][j];}}return new_rows;};c3_chart_internal_fn.convertDataToTargets=function(data,appendXs){var $$=this,config=$$.config,ids=$$.d3.keys(data[0]).filter($$.isNotX,$$),xs=$$.d3.keys(data[0]).filter($$.isX,$$),targets;// save x for update data by load when custom x and c3.x API
ids.forEach(function(id){var xKey=$$.getXKey(id);if($$.isCustomX()||$$.isTimeSeries()){// if included in input data
if(xs.indexOf(xKey)>=0){$$.data.xs[id]=(appendXs&&$$.data.xs[id]?$$.data.xs[id]:[]).concat(data.map(function(d){return d[xKey];}).filter(isValue).map(function(rawX,i){return $$.generateTargetX(rawX,id,i);}));}// if not included in input data, find from preloaded data of other id's x
else if(config.data_x){$$.data.xs[id]=$$.getOtherTargetXs();}// if not included in input data, find from preloaded data
else if(notEmpty(config.data_xs)){$$.data.xs[id]=$$.getXValuesOfXKey(xKey,$$.data.targets);}// MEMO: if no x included, use same x of current will be used
}else{$$.data.xs[id]=data.map(function(d,i){return i;});}});// check x is defined
ids.forEach(function(id){if(!$$.data.xs[id]){throw new Error('x is not defined for id = "'+id+'".');}});// convert to target
targets=ids.map(function(id,index){var convertedId=config.data_idConverter(id);return{id:convertedId,id_org:id,values:data.map(function(d,i){var xKey=$$.getXKey(id),rawX=d[xKey],value=d[id]!==null&&!isNaN(d[id])?+d[id]:null,x;// use x as categories if custom x and categorized
if($$.isCustomX()&&$$.isCategorized()&&index===0&&!isUndefined(rawX)){if(index===0&&i===0){config.axis_x_categories=[];}x=config.axis_x_categories.indexOf(rawX);if(x===-1){x=config.axis_x_categories.length;config.axis_x_categories.push(rawX);}}else{x=$$.generateTargetX(rawX,id,i);}// mark as x = undefined if value is undefined and filter to remove after mapped
if(isUndefined(d[id])||$$.data.xs[id].length<=i){x=undefined;}return{x:x,value:value,id:convertedId};}).filter(function(v){return isDefined(v.x);})};});// finish targets
targets.forEach(function(t){var i;// sort values by its x
if(config.data_xSort){t.values=t.values.sort(function(v1,v2){var x1=v1.x||v1.x===0?v1.x:Infinity,x2=v2.x||v2.x===0?v2.x:Infinity;return x1-x2;});}// indexing each value
i=0;t.values.forEach(function(v){v.index=i++;});// this needs to be sorted because its index and value.index is identical
$$.data.xs[t.id].sort(function(v1,v2){return v1-v2;});});// cache information about values
$$.hasNegativeValue=$$.hasNegativeValueInTargets(targets);$$.hasPositiveValue=$$.hasPositiveValueInTargets(targets);// set target types
if(config.data_type){$$.setTargetType($$.mapToIds(targets).filter(function(id){return!(id in config.data_types);}),config.data_type);}// cache as original id keyed
targets.forEach(function(d){$$.addCache(d.id_org,d);});return targets;};c3_chart_internal_fn.load=function(targets,args){var $$=this;if(targets){// filter loading targets if needed
if(args.filter){targets=targets.filter(args.filter);}// set type if args.types || args.type specified
if(args.type||args.types){targets.forEach(function(t){var type=args.types&&args.types[t.id]?args.types[t.id]:args.type;$$.setTargetType(t.id,type);});}// Update/Add data
$$.data.targets.forEach(function(d){for(var i=0;i<targets.length;i++){if(d.id===targets[i].id){d.values=targets[i].values;targets.splice(i,1);break;}}});$$.data.targets=$$.data.targets.concat(targets);// add remained
}// Set targets
$$.updateTargets($$.data.targets);// Redraw with new targets
$$.redraw({withUpdateOrgXDomain:true,withUpdateXDomain:true,withLegend:true});if(args.done){args.done();}};c3_chart_internal_fn.loadFromArgs=function(args){var $$=this;if(args.data){$$.load($$.convertDataToTargets(args.data),args);}else if(args.url){$$.convertUrlToData(args.url,args.mimeType,args.headers,args.keys,function(data){$$.load($$.convertDataToTargets(data),args);});}else if(args.json){$$.load($$.convertDataToTargets($$.convertJsonToData(args.json,args.keys)),args);}else if(args.rows){$$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)),args);}else if(args.columns){$$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)),args);}else{$$.load(null,args);}};c3_chart_internal_fn.unload=function(targetIds,done){var $$=this;if(!done){done=function done(){};}// filter existing target
targetIds=targetIds.filter(function(id){return $$.hasTarget($$.data.targets,id);});// If no target, call done and return
if(!targetIds||targetIds.length===0){done();return;}$$.svg.selectAll(targetIds.map(function(id){return $$.selectorTarget(id);})).transition().style('opacity',0).remove().call($$.endall,done);targetIds.forEach(function(id){// Reset fadein for future load
$$.withoutFadeIn[id]=false;// Remove target's elements
if($$.legend){$$.legend.selectAll('.'+CLASS.legendItem+$$.getTargetSelectorSuffix(id)).remove();}// Remove target
$$.data.targets=$$.data.targets.filter(function(t){return t.id!==id;});});};c3_chart_internal_fn.categoryName=function(i){var config=this.config;return i<config.axis_x_categories.length?config.axis_x_categories[i]:i;};c3_chart_internal_fn.initEventRect=function(){var $$=this;$$.main.select('.'+CLASS.chart).append("g").attr("class",CLASS.eventRects).style('fill-opacity',0);};c3_chart_internal_fn.redrawEventRect=function(){var $$=this,config=$$.config,eventRectUpdate,maxDataCountTarget,isMultipleX=$$.isMultipleX();// rects for mouseover
var eventRects=$$.main.select('.'+CLASS.eventRects).style('cursor',config.zoom_enabled?config.axis_rotated?'ns-resize':'ew-resize':null).classed(CLASS.eventRectsMultiple,isMultipleX).classed(CLASS.eventRectsSingle,!isMultipleX);// clear old rects
eventRects.selectAll('.'+CLASS.eventRect).remove();// open as public variable
$$.eventRect=eventRects.selectAll('.'+CLASS.eventRect);if(isMultipleX){eventRectUpdate=$$.eventRect.data([0]);// enter : only one rect will be added
$$.generateEventRectsForMultipleXs(eventRectUpdate.enter());// update
$$.updateEventRect(eventRectUpdate);// exit : not needed because always only one rect exists
}else{// Set data and update $$.eventRect
maxDataCountTarget=$$.getMaxDataCountTarget($$.data.targets);eventRects.datum(maxDataCountTarget?maxDataCountTarget.values:[]);$$.eventRect=eventRects.selectAll('.'+CLASS.eventRect);eventRectUpdate=$$.eventRect.data(function(d){return d;});// enter
$$.generateEventRectsForSingleX(eventRectUpdate.enter());// update
$$.updateEventRect(eventRectUpdate);// exit
eventRectUpdate.exit().remove();}};c3_chart_internal_fn.updateEventRect=function(eventRectUpdate){var $$=this,config=$$.config,x,y,w,h,rectW,rectX;// set update selection if null
eventRectUpdate=eventRectUpdate||$$.eventRect.data(function(d){return d;});if($$.isMultipleX()){// TODO: rotated not supported yet
x=0;y=0;w=$$.width;h=$$.height;}else{if(($$.isCustomX()||$$.isTimeSeries())&&!$$.isCategorized()){// update index for x that is used by prevX and nextX
$$.updateXs();rectW=function rectW(d){var prevX=$$.getPrevX(d.index),nextX=$$.getNextX(d.index);// if there this is a single data point make the eventRect full width (or height)
if(prevX===null&&nextX===null){return config.axis_rotated?$$.height:$$.width;}if(prevX===null){prevX=$$.x.domain()[0];}if(nextX===null){nextX=$$.x.domain()[1];}return Math.max(0,($$.x(nextX)-$$.x(prevX))/2);};rectX=function rectX(d){var prevX=$$.getPrevX(d.index),nextX=$$.getNextX(d.index),thisX=$$.data.xs[d.id][d.index];// if there this is a single data point position the eventRect at 0
if(prevX===null&&nextX===null){return 0;}if(prevX===null){prevX=$$.x.domain()[0];}return($$.x(thisX)+$$.x(prevX))/2;};}else{rectW=$$.getEventRectWidth();rectX=function rectX(d){return $$.x(d.x)-rectW/2;};}x=config.axis_rotated?0:rectX;y=config.axis_rotated?rectX:0;w=config.axis_rotated?$$.width:rectW;h=config.axis_rotated?rectW:$$.height;}eventRectUpdate.attr('class',$$.classEvent.bind($$)).attr("x",x).attr("y",y).attr("width",w).attr("height",h);};c3_chart_internal_fn.generateEventRectsForSingleX=function(eventRectEnter){var $$=this,d3$$1=$$.d3,config=$$.config,tap=false,tapX;function click(shape,d){var index=d.index;if($$.hasArcType()||!$$.toggleShape){return;}if($$.cancelClick){$$.cancelClick=false;return;}if($$.isStepType(d)&&config.line_step_type==='step-after'&&d3$$1.mouse(shape)[0]<$$.x($$.getXValue(d.id,index))){index-=1;}$$.main.selectAll('.'+CLASS.shape+'-'+index).each(function(d){if(config.data_selection_grouped||$$.isWithinShape(this,d)){$$.toggleShape(this,d,index);$$.config.data_onclick.call($$.api,d,this);}});}eventRectEnter.append("rect").attr("class",$$.classEvent.bind($$)).style("cursor",config.data_selection_enabled&&config.data_selection_grouped?"pointer":null).on('mouseover',function(d){var index=d.index;if($$.dragging||$$.flowing){return;}// do nothing while dragging/flowing
if($$.hasArcType()){return;}// Expand shapes for selection
if(config.point_focus_expand_enabled){$$.expandCircles(index,null,true);}$$.expandBars(index,null,true);// Call event handler
$$.main.selectAll('.'+CLASS.shape+'-'+index).each(function(d){config.data_onmouseover.call($$.api,d);});}).on('mouseout',function(d){var index=d.index;if(!$$.config){return;}// chart is destroyed
if($$.hasArcType()){return;}$$.hideXGridFocus();$$.hideTooltip();// Undo expanded shapes
$$.unexpandCircles();$$.unexpandBars();// Call event handler
$$.main.selectAll('.'+CLASS.shape+'-'+index).each(function(d){config.data_onmouseout.call($$.api,d);});}).on('mousemove',function(d){var selectedData,index=d.index,eventRect=$$.svg.select('.'+CLASS.eventRect+'-'+index);if($$.dragging||$$.flowing){return;}// do nothing while dragging/flowing
if($$.hasArcType()){return;}if($$.isStepType(d)&&$$.config.line_step_type==='step-after'&&d3$$1.mouse(this)[0]<$$.x($$.getXValue(d.id,index))){index-=1;}// Show tooltip
selectedData=$$.filterTargetsToShow($$.data.targets).map(function(t){return $$.addName($$.getValueOnIndex(t.values,index));});if(config.tooltip_grouped){$$.showTooltip(selectedData,this);$$.showXGridFocus(selectedData);}if(config.tooltip_grouped&&(!config.data_selection_enabled||config.data_selection_grouped)){return;}$$.main.selectAll('.'+CLASS.shape+'-'+index).each(function(){d3$$1.select(this).classed(CLASS.EXPANDED,true);if(config.data_selection_enabled){eventRect.style('cursor',config.data_selection_grouped?'pointer':null);}if(!config.tooltip_grouped){$$.hideXGridFocus();$$.hideTooltip();if(!config.data_selection_grouped){$$.unexpandCircles(index);$$.unexpandBars(index);}}}).filter(function(d){return $$.isWithinShape(this,d);}).each(function(d){if(config.data_selection_enabled&&(config.data_selection_grouped||config.data_selection_isselectable(d))){eventRect.style('cursor','pointer');}if(!config.tooltip_grouped){$$.showTooltip([d],this);$$.showXGridFocus([d]);if(config.point_focus_expand_enabled){$$.expandCircles(index,d.id,true);}$$.expandBars(index,d.id,true);}});}).on('click',function(d){//click event was simulated via a 'tap' touch event, cancel regular click
if(tap){return;}click(this,d);}).on('touchstart',function(d){//store current X selection for comparison during touch end event
tapX=d.x;}).on('touchend',function(d){var finalX=d.x;//If end is not the same as the start, event doesn't count as a tap
if(tapX!==finalX){return;}click(this,d);//indictate tap event fired to prevent click;
tap=true;setTimeout(function(){tap=false;},config.touch_tap_delay);}).call(config.data_selection_draggable&&$$.drag?d3$$1.behavior.drag().origin(Object).on('drag',function(){$$.drag(d3$$1.mouse(this));}).on('dragstart',function(){$$.dragstart(d3$$1.mouse(this));}).on('dragend',function(){$$.dragend();}):function(){});};c3_chart_internal_fn.generateEventRectsForMultipleXs=function(eventRectEnter){var $$=this,d3$$1=$$.d3,config=$$.config,tap=false,tapX,tapY;function mouseout(){$$.svg.select('.'+CLASS.eventRect).style('cursor',null);$$.hideXGridFocus();$$.hideTooltip();$$.unexpandCircles();$$.unexpandBars();}function click(shape){var targetsToShow=$$.filterTargetsToShow($$.data.targets);var mouse,closest;if($$.hasArcType(targetsToShow)){return;}mouse=d3$$1.mouse(shape);closest=$$.findClosestFromTargets(targetsToShow,mouse);if(!closest){return;}// select if selection enabled
if($$.isBarType(closest.id)||$$.dist(closest,mouse)<config.point_sensitivity){$$.main.selectAll('.'+CLASS.shapes+$$.getTargetSelectorSuffix(closest.id)).selectAll('.'+CLASS.shape+'-'+closest.index).each(function(){if(config.data_selection_grouped||$$.isWithinShape(this,closest)){$$.toggleShape(this,closest,closest.index);$$.config.data_onclick.call($$.api,closest,this);}});}}eventRectEnter.append('rect').attr('x',0).attr('y',0).attr('width',$$.width).attr('height',$$.height).attr('class',CLASS.eventRect).on('mouseout',function(){if(!$$.config){return;}// chart is destroyed
if($$.hasArcType()){return;}mouseout();}).on('mousemove',function(){var targetsToShow=$$.filterTargetsToShow($$.data.targets);var mouse,closest,sameXData,selectedData;if($$.dragging){return;}// do nothing when dragging
if($$.hasArcType(targetsToShow)){return;}mouse=d3$$1.mouse(this);closest=$$.findClosestFromTargets(targetsToShow,mouse);if($$.mouseover&&(!closest||closest.id!==$$.mouseover.id)){config.data_onmouseout.call($$.api,$$.mouseover);$$.mouseover=undefined;}if(!closest){mouseout();return;}if($$.isScatterType(closest)||!config.tooltip_grouped){sameXData=[closest];}else{sameXData=$$.filterByX(targetsToShow,closest.x);}// show tooltip when cursor is close to some point
selectedData=sameXData.map(function(d){return $$.addName(d);});$$.showTooltip(selectedData,this);// expand points
if(config.point_focus_expand_enabled){$$.expandCircles(closest.index,closest.id,true);}$$.expandBars(closest.index,closest.id,true);// Show xgrid focus line
$$.showXGridFocus(selectedData);// Show cursor as pointer if point is close to mouse position
if($$.isBarType(closest.id)||$$.dist(closest,mouse)<config.point_sensitivity){$$.svg.select('.'+CLASS.eventRect).style('cursor','pointer');if(!$$.mouseover){config.data_onmouseover.call($$.api,closest);$$.mouseover=closest;}}}).on('click',function(){//click event was simulated via a 'tap' touch event, cancel regular click
if(tap){return;}click(this);}).on('touchstart',function(){var mouse=d3$$1.mouse(this);//store starting coordinates for distance comparision during touch end event
tapX=mouse[0];tapY=mouse[1];}).on('touchend',function(){var mouse=d3$$1.mouse(this),x=mouse[0],y=mouse[1];//If end is too far from start, event doesn't count as a tap
if(Math.abs(x-tapX)>config.touch_tap_radius||Math.abs(y-tapY)>config.touch_tap_radius){return;}click(this);//indictate tap event fired to prevent click;
tap=true;setTimeout(function(){tap=false;},config.touch_tap_delay);}).call(config.data_selection_draggable&&$$.drag?d3$$1.behavior.drag().origin(Object).on('drag',function(){$$.drag(d3$$1.mouse(this));}).on('dragstart',function(){$$.dragstart(d3$$1.mouse(this));}).on('dragend',function(){$$.dragend();}):function(){});};c3_chart_internal_fn.dispatchEvent=function(type,index,mouse){var $$=this,selector='.'+CLASS.eventRect+(!$$.isMultipleX()?'-'+index:''),eventRect=$$.main.select(selector).node(),box=eventRect.getBoundingClientRect(),x=box.left+(mouse?mouse[0]:0),y=box.top+(mouse?mouse[1]:0),event=document.createEvent("MouseEvents");event.initMouseEvent(type,true,true,window,0,x,y,x,y,false,false,false,false,0,null);eventRect.dispatchEvent(event);};c3_chart_internal_fn.getCurrentWidth=function(){var $$=this,config=$$.config;return config.size_width?config.size_width:$$.getParentWidth();};c3_chart_internal_fn.getCurrentHeight=function(){var $$=this,config=$$.config,h=config.size_height?config.size_height:$$.getParentHeight();return h>0?h:320/($$.hasType('gauge')&&!config.gauge_fullCircle?2:1);};c3_chart_internal_fn.getCurrentPaddingTop=function(){var $$=this,config=$$.config,padding=isValue(config.padding_top)?config.padding_top:0;if($$.title&&$$.title.node()){padding+=$$.getTitlePadding();}return padding;};c3_chart_internal_fn.getCurrentPaddingBottom=function(){var config=this.config;return isValue(config.padding_bottom)?config.padding_bottom:0;};c3_chart_internal_fn.getCurrentPaddingLeft=function(withoutRecompute){var $$=this,config=$$.config;if(isValue(config.padding_left)){return config.padding_left;}else if(config.axis_rotated){return!config.axis_x_show?1:Math.max(ceil10($$.getAxisWidthByAxisId('x',withoutRecompute)),40);}else if(!config.axis_y_show||config.axis_y_inner){// && !config.axis_rotated
return $$.axis.getYAxisLabelPosition().isOuter?30:1;}else{return ceil10($$.getAxisWidthByAxisId('y',withoutRecompute));}};c3_chart_internal_fn.getCurrentPaddingRight=function(){var $$=this,config=$$.config,defaultPadding=10,legendWidthOnRight=$$.isLegendRight?$$.getLegendWidth()+20:0;if(isValue(config.padding_right)){return config.padding_right+1;// 1 is needed not to hide tick line
}else if(config.axis_rotated){return defaultPadding+legendWidthOnRight;}else if(!config.axis_y2_show||config.axis_y2_inner){// && !config.axis_rotated
return 2+legendWidthOnRight+($$.axis.getY2AxisLabelPosition().isOuter?20:0);}else{return ceil10($$.getAxisWidthByAxisId('y2'))+legendWidthOnRight;}};c3_chart_internal_fn.getParentRectValue=function(key){var parent=this.selectChart.node(),v;while(parent&&parent.tagName!=='BODY'){try{v=parent.getBoundingClientRect()[key];}catch(e){if(key==='width'){// In IE in certain cases getBoundingClientRect
// will cause an "unspecified error"
v=parent.offsetWidth;}}if(v){break;}parent=parent.parentNode;}return v;};c3_chart_internal_fn.getParentWidth=function(){return this.getParentRectValue('width');};c3_chart_internal_fn.getParentHeight=function(){var h=this.selectChart.style('height');return h.indexOf('px')>0?+h.replace('px',''):0;};c3_chart_internal_fn.getSvgLeft=function(withoutRecompute){var $$=this,config=$$.config,hasLeftAxisRect=config.axis_rotated||!config.axis_rotated&&!config.axis_y_inner,leftAxisClass=config.axis_rotated?CLASS.axisX:CLASS.axisY,leftAxis=$$.main.select('.'+leftAxisClass).node(),svgRect=leftAxis&&hasLeftAxisRect?leftAxis.getBoundingClientRect():{right:0},chartRect=$$.selectChart.node().getBoundingClientRect(),hasArc=$$.hasArcType(),svgLeft=svgRect.right-chartRect.left-(hasArc?0:$$.getCurrentPaddingLeft(withoutRecompute));return svgLeft>0?svgLeft:0;};c3_chart_internal_fn.getAxisWidthByAxisId=function(id,withoutRecompute){var $$=this,position=$$.axis.getLabelPositionById(id);return $$.axis.getMaxTickWidth(id,withoutRecompute)+(position.isInner?20:40);};c3_chart_internal_fn.getHorizontalAxisHeight=function(axisId){var $$=this,config=$$.config,h=30;if(axisId==='x'&&!config.axis_x_show){return 8;}if(axisId==='x'&&config.axis_x_height){return config.axis_x_height;}if(axisId==='y'&&!config.axis_y_show){return config.legend_show&&!$$.isLegendRight&&!$$.isLegendInset?10:1;}if(axisId==='y2'&&!config.axis_y2_show){return $$.rotated_padding_top;}// Calculate x axis height when tick rotated
if(axisId==='x'&&!config.axis_rotated&&config.axis_x_tick_rotate){h=30+$$.axis.getMaxTickWidth(axisId)*Math.cos(Math.PI*(90-config.axis_x_tick_rotate)/180);}// Calculate y axis height when tick rotated
if(axisId==='y'&&config.axis_rotated&&config.axis_y_tick_rotate){h=30+$$.axis.getMaxTickWidth(axisId)*Math.cos(Math.PI*(90-config.axis_y_tick_rotate)/180);}return h+($$.axis.getLabelPositionById(axisId).isInner?0:10)+(axisId==='y2'?-10:0);};c3_chart_internal_fn.getEventRectWidth=function(){return Math.max(0,this.xAxis.tickInterval());};c3_chart_internal_fn.getShapeIndices=function(typeFilter){var $$=this,config=$$.config,indices={},i=0,j,k;$$.filterTargetsToShow($$.data.targets.filter(typeFilter,$$)).forEach(function(d){for(j=0;j<config.data_groups.length;j++){if(config.data_groups[j].indexOf(d.id)<0){continue;}for(k=0;k<config.data_groups[j].length;k++){if(config.data_groups[j][k]in indices){indices[d.id]=indices[config.data_groups[j][k]];break;}}}if(isUndefined(indices[d.id])){indices[d.id]=i++;}});indices.__max__=i-1;return indices;};c3_chart_internal_fn.getShapeX=function(offset,targetsNum,indices,isSub){var $$=this,scale=isSub?$$.subX:$$.x;return function(d){var index=d.id in indices?indices[d.id]:0;return d.x||d.x===0?scale(d.x)-offset*(targetsNum/2-index):0;};};c3_chart_internal_fn.getShapeY=function(isSub){var $$=this;return function(d){var scale=isSub?$$.getSubYScale(d.id):$$.getYScale(d.id);return scale(d.value);};};c3_chart_internal_fn.getShapeOffset=function(typeFilter,indices,isSub){var $$=this,targets=$$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter,$$))),targetIds=targets.map(function(t){return t.id;});return function(d,i){var scale=isSub?$$.getSubYScale(d.id):$$.getYScale(d.id),y0=scale(0),offset=y0;targets.forEach(function(t){var values=$$.isStepType(d)?$$.convertValuesToStep(t.values):t.values;if(t.id===d.id||indices[t.id]!==indices[d.id]){return;}if(targetIds.indexOf(t.id)<targetIds.indexOf(d.id)){// check if the x values line up
if(typeof values[i]==='undefined'||+values[i].x!==+d.x){// "+" for timeseries
// if not, try to find the value that does line up
i=-1;values.forEach(function(v,j){if(v.x===d.x){i=j;}});}if(i in values&&values[i].value*d.value>=0){offset+=scale(values[i].value)-y0;}}});return offset;};};c3_chart_internal_fn.isWithinShape=function(that,d){var $$=this,shape=$$.d3.select(that),isWithin;if(!$$.isTargetToShow(d.id)){isWithin=false;}else if(that.nodeName==='circle'){isWithin=$$.isStepType(d)?$$.isWithinStep(that,$$.getYScale(d.id)(d.value)):$$.isWithinCircle(that,$$.pointSelectR(d)*1.5);}else if(that.nodeName==='path'){isWithin=shape.classed(CLASS.bar)?$$.isWithinBar(that):true;}return isWithin;};c3_chart_internal_fn.getInterpolate=function(d){var $$=this,interpolation=$$.isInterpolationType($$.config.spline_interpolation_type)?$$.config.spline_interpolation_type:'cardinal';return $$.isSplineType(d)?interpolation:$$.isStepType(d)?$$.config.line_step_type:"linear";};c3_chart_internal_fn.initLine=function(){var $$=this;$$.main.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartLines);};c3_chart_internal_fn.updateTargetsForLine=function(targets){var $$=this,config=$$.config,mainLineUpdate,mainLineEnter,classChartLine=$$.classChartLine.bind($$),classLines=$$.classLines.bind($$),classAreas=$$.classAreas.bind($$),classCircles=$$.classCircles.bind($$),classFocus=$$.classFocus.bind($$);mainLineUpdate=$$.main.select('.'+CLASS.chartLines).selectAll('.'+CLASS.chartLine).data(targets).attr('class',function(d){return classChartLine(d)+classFocus(d);});mainLineEnter=mainLineUpdate.enter().append('g').attr('class',classChartLine).style('opacity',0).style("pointer-events","none");// Lines for each data
mainLineEnter.append('g').attr("class",classLines);// Areas
mainLineEnter.append('g').attr('class',classAreas);// Circles for each data point on lines
mainLineEnter.append('g').attr("class",function(d){return $$.generateClass(CLASS.selectedCircles,d.id);});mainLineEnter.append('g').attr("class",classCircles).style("cursor",function(d){return config.data_selection_isselectable(d)?"pointer":null;});// Update date for selected circles
targets.forEach(function(t){$$.main.selectAll('.'+CLASS.selectedCircles+$$.getTargetSelectorSuffix(t.id)).selectAll('.'+CLASS.selectedCircle).each(function(d){d.value=t.values[d.index].value;});});// MEMO: can not keep same color...
//mainLineUpdate.exit().remove();
};c3_chart_internal_fn.updateLine=function(durationForExit){var $$=this;$$.mainLine=$$.main.selectAll('.'+CLASS.lines).selectAll('.'+CLASS.line).data($$.lineData.bind($$));$$.mainLine.enter().append('path').attr('class',$$.classLine.bind($$)).style("stroke",$$.color);$$.mainLine.style("opacity",$$.initialOpacity.bind($$)).style('shape-rendering',function(d){return $$.isStepType(d)?'crispEdges':'';}).attr('transform',null);$$.mainLine.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawLine=function(drawLine,withTransition){return[(withTransition?this.mainLine.transition(Math.random().toString()):this.mainLine).attr("d",drawLine).style("stroke",this.color).style("opacity",1)];};c3_chart_internal_fn.generateDrawLine=function(lineIndices,isSub){var $$=this,config=$$.config,line=$$.d3.svg.line(),getPoints=$$.generateGetLinePoints(lineIndices,isSub),yScaleGetter=isSub?$$.getSubYScale:$$.getYScale,xValue=function xValue(d){return(isSub?$$.subxx:$$.xx).call($$,d);},yValue=function yValue(d,i){return config.data_groups.length>0?getPoints(d,i)[0][1]:yScaleGetter.call($$,d.id)(d.value);};line=config.axis_rotated?line.x(yValue).y(xValue):line.x(xValue).y(yValue);if(!config.line_connectNull){line=line.defined(function(d){return d.value!=null;});}return function(d){var values=config.line_connectNull?$$.filterRemoveNull(d.values):d.values,x=isSub?$$.x:$$.subX,y=yScaleGetter.call($$,d.id),x0=0,y0=0,path;if($$.isLineType(d)){if(config.data_regions[d.id]){path=$$.lineWithRegions(values,x,y,config.data_regions[d.id]);}else{if($$.isStepType(d)){values=$$.convertValuesToStep(values);}path=line.interpolate($$.getInterpolate(d))(values);}}else{if(values[0]){x0=x(values[0].x);y0=y(values[0].value);}path=config.axis_rotated?"M "+y0+" "+x0:"M "+x0+" "+y0;}return path?path:"M 0 0";};};c3_chart_internal_fn.generateGetLinePoints=function(lineIndices,isSub){// partial duplication of generateGetBarPoints
var $$=this,config=$$.config,lineTargetsNum=lineIndices.__max__+1,x=$$.getShapeX(0,lineTargetsNum,lineIndices,!!isSub),y=$$.getShapeY(!!isSub),lineOffset=$$.getShapeOffset($$.isLineType,lineIndices,!!isSub),yScale=isSub?$$.getSubYScale:$$.getYScale;return function(d,i){var y0=yScale.call($$,d.id)(0),offset=lineOffset(d,i)||y0,// offset is for stacked area chart
posX=x(d),posY=y(d);// fix posY not to overflow opposite quadrant
if(config.axis_rotated){if(0<d.value&&posY<y0||d.value<0&&y0<posY){posY=y0;}}// 1 point that marks the line position
return[[posX,posY-(y0-offset)],[posX,posY-(y0-offset)],// needed for compatibility
[posX,posY-(y0-offset)],// needed for compatibility
[posX,posY-(y0-offset)]// needed for compatibility
];};};c3_chart_internal_fn.lineWithRegions=function(d,x,y,_regions){var $$=this,config=$$.config,prev=-1,i,j,s="M",sWithRegion,xp,yp,dx,dy,dd,diff,diffx2,xOffset=$$.isCategorized()?0.5:0,xValue,yValue,regions=[];function isWithinRegions(x,regions){var i;for(i=0;i<regions.length;i++){if(regions[i].start<x&&x<=regions[i].end){return true;}}return false;}// Check start/end of regions
if(isDefined(_regions)){for(i=0;i<_regions.length;i++){regions[i]={};if(isUndefined(_regions[i].start)){regions[i].start=d[0].x;}else{regions[i].start=$$.isTimeSeries()?$$.parseDate(_regions[i].start):_regions[i].start;}if(isUndefined(_regions[i].end)){regions[i].end=d[d.length-1].x;}else{regions[i].end=$$.isTimeSeries()?$$.parseDate(_regions[i].end):_regions[i].end;}}}// Set scales
xValue=config.axis_rotated?function(d){return y(d.value);}:function(d){return x(d.x);};yValue=config.axis_rotated?function(d){return x(d.x);}:function(d){return y(d.value);};// Define svg generator function for region
function generateM(points){return'M'+points[0][0]+' '+points[0][1]+' '+points[1][0]+' '+points[1][1];}if($$.isTimeSeries()){sWithRegion=function sWithRegion(d0,d1,j,diff){var x0=d0.x.getTime(),x_diff=d1.x-d0.x,xv0=new Date(x0+x_diff*j),xv1=new Date(x0+x_diff*(j+diff)),points;if(config.axis_rotated){points=[[y(yp(j)),x(xv0)],[y(yp(j+diff)),x(xv1)]];}else{points=[[x(xv0),y(yp(j))],[x(xv1),y(yp(j+diff))]];}return generateM(points);};}else{sWithRegion=function sWithRegion(d0,d1,j,diff){var points;if(config.axis_rotated){points=[[y(yp(j),true),x(xp(j))],[y(yp(j+diff),true),x(xp(j+diff))]];}else{points=[[x(xp(j),true),y(yp(j))],[x(xp(j+diff),true),y(yp(j+diff))]];}return generateM(points);};}// Generate
for(i=0;i<d.length;i++){// Draw as normal
if(isUndefined(regions)||!isWithinRegions(d[i].x,regions)){s+=" "+xValue(d[i])+" "+yValue(d[i]);}// Draw with region // TODO: Fix for horizotal charts
else{xp=$$.getScale(d[i-1].x+xOffset,d[i].x+xOffset,$$.isTimeSeries());yp=$$.getScale(d[i-1].value,d[i].value);dx=x(d[i].x)-x(d[i-1].x);dy=y(d[i].value)-y(d[i-1].value);dd=Math.sqrt(Math.pow(dx,2)+Math.pow(dy,2));diff=2/dd;diffx2=diff*2;for(j=diff;j<=1;j+=diffx2){s+=sWithRegion(d[i-1],d[i],j,diff);}}prev=d[i].x;}return s;};c3_chart_internal_fn.updateArea=function(durationForExit){var $$=this,d3$$1=$$.d3;$$.mainArea=$$.main.selectAll('.'+CLASS.areas).selectAll('.'+CLASS.area).data($$.lineData.bind($$));$$.mainArea.enter().append('path').attr("class",$$.classArea.bind($$)).style("fill",$$.color).style("opacity",function(){$$.orgAreaOpacity=+d3$$1.select(this).style('opacity');return 0;});$$.mainArea.style("opacity",$$.orgAreaOpacity);$$.mainArea.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawArea=function(drawArea,withTransition){return[(withTransition?this.mainArea.transition(Math.random().toString()):this.mainArea).attr("d",drawArea).style("fill",this.color).style("opacity",this.orgAreaOpacity)];};c3_chart_internal_fn.generateDrawArea=function(areaIndices,isSub){var $$=this,config=$$.config,area=$$.d3.svg.area(),getPoints=$$.generateGetAreaPoints(areaIndices,isSub),yScaleGetter=isSub?$$.getSubYScale:$$.getYScale,xValue=function xValue(d){return(isSub?$$.subxx:$$.xx).call($$,d);},value0=function value0(d,i){return config.data_groups.length>0?getPoints(d,i)[0][1]:yScaleGetter.call($$,d.id)($$.getAreaBaseValue(d.id));},value1=function value1(d,i){return config.data_groups.length>0?getPoints(d,i)[1][1]:yScaleGetter.call($$,d.id)(d.value);};area=config.axis_rotated?area.x0(value0).x1(value1).y(xValue):area.x(xValue).y0(config.area_above?0:value0).y1(value1);if(!config.line_connectNull){area=area.defined(function(d){return d.value!==null;});}return function(d){var values=config.line_connectNull?$$.filterRemoveNull(d.values):d.values,x0=0,y0=0,path;if($$.isAreaType(d)){if($$.isStepType(d)){values=$$.convertValuesToStep(values);}path=area.interpolate($$.getInterpolate(d))(values);}else{if(values[0]){x0=$$.x(values[0].x);y0=$$.getYScale(d.id)(values[0].value);}path=config.axis_rotated?"M "+y0+" "+x0:"M "+x0+" "+y0;}return path?path:"M 0 0";};};c3_chart_internal_fn.getAreaBaseValue=function(){return 0;};c3_chart_internal_fn.generateGetAreaPoints=function(areaIndices,isSub){// partial duplication of generateGetBarPoints
var $$=this,config=$$.config,areaTargetsNum=areaIndices.__max__+1,x=$$.getShapeX(0,areaTargetsNum,areaIndices,!!isSub),y=$$.getShapeY(!!isSub),areaOffset=$$.getShapeOffset($$.isAreaType,areaIndices,!!isSub),yScale=isSub?$$.getSubYScale:$$.getYScale;return function(d,i){var y0=yScale.call($$,d.id)(0),offset=areaOffset(d,i)||y0,// offset is for stacked area chart
posX=x(d),posY=y(d);// fix posY not to overflow opposite quadrant
if(config.axis_rotated){if(0<d.value&&posY<y0||d.value<0&&y0<posY){posY=y0;}}// 1 point that marks the area position
return[[posX,offset],[posX,posY-(y0-offset)],[posX,posY-(y0-offset)],// needed for compatibility
[posX,offset]// needed for compatibility
];};};c3_chart_internal_fn.updateCircle=function(){var $$=this;$$.mainCircle=$$.main.selectAll('.'+CLASS.circles).selectAll('.'+CLASS.circle).data($$.lineOrScatterData.bind($$));$$.mainCircle.enter().append("circle").attr("class",$$.classCircle.bind($$)).attr("r",$$.pointR.bind($$)).style("fill",$$.color);$$.mainCircle.style("opacity",$$.initialOpacityForCircle.bind($$));$$.mainCircle.exit().remove();};c3_chart_internal_fn.redrawCircle=function(cx,cy,withTransition){var selectedCircles=this.main.selectAll('.'+CLASS.selectedCircle);return[(withTransition?this.mainCircle.transition(Math.random().toString()):this.mainCircle).style('opacity',this.opacityForCircle.bind(this)).style("fill",this.color).attr("cx",cx).attr("cy",cy),(withTransition?selectedCircles.transition(Math.random().toString()):selectedCircles).attr("cx",cx).attr("cy",cy)];};c3_chart_internal_fn.circleX=function(d){return d.x||d.x===0?this.x(d.x):null;};c3_chart_internal_fn.updateCircleY=function(){var $$=this,lineIndices,getPoints;if($$.config.data_groups.length>0){lineIndices=$$.getShapeIndices($$.isLineType),getPoints=$$.generateGetLinePoints(lineIndices);$$.circleY=function(d,i){return getPoints(d,i)[0][1];};}else{$$.circleY=function(d){return $$.getYScale(d.id)(d.value);};}};c3_chart_internal_fn.getCircles=function(i,id){var $$=this;return(id?$$.main.selectAll('.'+CLASS.circles+$$.getTargetSelectorSuffix(id)):$$.main).selectAll('.'+CLASS.circle+(isValue(i)?'-'+i:''));};c3_chart_internal_fn.expandCircles=function(i,id,reset){var $$=this,r=$$.pointExpandedR.bind($$);if(reset){$$.unexpandCircles();}$$.getCircles(i,id).classed(CLASS.EXPANDED,true).attr('r',r);};c3_chart_internal_fn.unexpandCircles=function(i){var $$=this,r=$$.pointR.bind($$);$$.getCircles(i).filter(function(){return $$.d3.select(this).classed(CLASS.EXPANDED);}).classed(CLASS.EXPANDED,false).attr('r',r);};c3_chart_internal_fn.pointR=function(d){var $$=this,config=$$.config;return $$.isStepType(d)?0:isFunction(config.point_r)?config.point_r(d):config.point_r;};c3_chart_internal_fn.pointExpandedR=function(d){var $$=this,config=$$.config;return config.point_focus_expand_enabled?config.point_focus_expand_r?config.point_focus_expand_r:$$.pointR(d)*1.75:$$.pointR(d);};c3_chart_internal_fn.pointSelectR=function(d){var $$=this,config=$$.config;return isFunction(config.point_select_r)?config.point_select_r(d):config.point_select_r?config.point_select_r:$$.pointR(d)*4;};c3_chart_internal_fn.isWithinCircle=function(that,r){var d3$$1=this.d3,mouse=d3$$1.mouse(that),d3_this=d3$$1.select(that),cx=+d3_this.attr("cx"),cy=+d3_this.attr("cy");return Math.sqrt(Math.pow(cx-mouse[0],2)+Math.pow(cy-mouse[1],2))<r;};c3_chart_internal_fn.isWithinStep=function(that,y){return Math.abs(y-this.d3.mouse(that)[1])<30;};c3_chart_internal_fn.initBar=function(){var $$=this;$$.main.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartBars);};c3_chart_internal_fn.updateTargetsForBar=function(targets){var $$=this,config=$$.config,mainBarUpdate,mainBarEnter,classChartBar=$$.classChartBar.bind($$),classBars=$$.classBars.bind($$),classFocus=$$.classFocus.bind($$);mainBarUpdate=$$.main.select('.'+CLASS.chartBars).selectAll('.'+CLASS.chartBar).data(targets).attr('class',function(d){return classChartBar(d)+classFocus(d);});mainBarEnter=mainBarUpdate.enter().append('g').attr('class',classChartBar).style('opacity',0).style("pointer-events","none");// Bars for each data
mainBarEnter.append('g').attr("class",classBars).style("cursor",function(d){return config.data_selection_isselectable(d)?"pointer":null;});};c3_chart_internal_fn.updateBar=function(durationForExit){var $$=this,barData=$$.barData.bind($$),classBar=$$.classBar.bind($$),initialOpacity=$$.initialOpacity.bind($$),color=function color(d){return $$.color(d.id);};$$.mainBar=$$.main.selectAll('.'+CLASS.bars).selectAll('.'+CLASS.bar).data(barData);$$.mainBar.enter().append('path').attr("class",classBar).style("stroke",color).style("fill",color);$$.mainBar.style("opacity",initialOpacity);$$.mainBar.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawBar=function(drawBar,withTransition){return[(withTransition?this.mainBar.transition(Math.random().toString()):this.mainBar).attr('d',drawBar).style("fill",this.color).style("opacity",1)];};c3_chart_internal_fn.getBarW=function(axis,barTargetsNum){var $$=this,config=$$.config,w=typeof config.bar_width==='number'?config.bar_width:barTargetsNum?axis.tickInterval()*config.bar_width_ratio/barTargetsNum:0;return config.bar_width_max&&w>config.bar_width_max?config.bar_width_max:w;};c3_chart_internal_fn.getBars=function(i,id){var $$=this;return(id?$$.main.selectAll('.'+CLASS.bars+$$.getTargetSelectorSuffix(id)):$$.main).selectAll('.'+CLASS.bar+(isValue(i)?'-'+i:''));};c3_chart_internal_fn.expandBars=function(i,id,reset){var $$=this;if(reset){$$.unexpandBars();}$$.getBars(i,id).classed(CLASS.EXPANDED,true);};c3_chart_internal_fn.unexpandBars=function(i){var $$=this;$$.getBars(i).classed(CLASS.EXPANDED,false);};c3_chart_internal_fn.generateDrawBar=function(barIndices,isSub){var $$=this,config=$$.config,getPoints=$$.generateGetBarPoints(barIndices,isSub);return function(d,i){// 4 points that make a bar
var points=getPoints(d,i);// switch points if axis is rotated, not applicable for sub chart
var indexX=config.axis_rotated?1:0;var indexY=config.axis_rotated?0:1;var path='M '+points[0][indexX]+','+points[0][indexY]+' '+'L'+points[1][indexX]+','+points[1][indexY]+' '+'L'+points[2][indexX]+','+points[2][indexY]+' '+'L'+points[3][indexX]+','+points[3][indexY]+' '+'z';return path;};};c3_chart_internal_fn.generateGetBarPoints=function(barIndices,isSub){var $$=this,axis=isSub?$$.subXAxis:$$.xAxis,barTargetsNum=barIndices.__max__+1,barW=$$.getBarW(axis,barTargetsNum),barX=$$.getShapeX(barW,barTargetsNum,barIndices,!!isSub),barY=$$.getShapeY(!!isSub),barOffset=$$.getShapeOffset($$.isBarType,barIndices,!!isSub),yScale=isSub?$$.getSubYScale:$$.getYScale;return function(d,i){var y0=yScale.call($$,d.id)(0),offset=barOffset(d,i)||y0,// offset is for stacked bar chart
posX=barX(d),posY=barY(d);// fix posY not to overflow opposite quadrant
if($$.config.axis_rotated){if(0<d.value&&posY<y0||d.value<0&&y0<posY){posY=y0;}}// 4 points that make a bar
return[[posX,offset],[posX,posY-(y0-offset)],[posX+barW,posY-(y0-offset)],[posX+barW,offset]];};};c3_chart_internal_fn.isWithinBar=function(that){var mouse=this.d3.mouse(that),box=that.getBoundingClientRect(),seg0=that.pathSegList.getItem(0),seg1=that.pathSegList.getItem(1),x=Math.min(seg0.x,seg1.x),y=Math.min(seg0.y,seg1.y),w=box.width,h=box.height,offset=2,sx=x-offset,ex=x+w+offset,sy=y+h+offset,ey=y-offset;return sx<mouse[0]&&mouse[0]<ex&&ey<mouse[1]&&mouse[1]<sy;};c3_chart_internal_fn.initText=function(){var $$=this;$$.main.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartTexts);$$.mainText=$$.d3.selectAll([]);};c3_chart_internal_fn.updateTargetsForText=function(targets){var $$=this,mainTextUpdate,mainTextEnter,classChartText=$$.classChartText.bind($$),classTexts=$$.classTexts.bind($$),classFocus=$$.classFocus.bind($$);mainTextUpdate=$$.main.select('.'+CLASS.chartTexts).selectAll('.'+CLASS.chartText).data(targets).attr('class',function(d){return classChartText(d)+classFocus(d);});mainTextEnter=mainTextUpdate.enter().append('g').attr('class',classChartText).style('opacity',0).style("pointer-events","none");mainTextEnter.append('g').attr('class',classTexts);};c3_chart_internal_fn.updateText=function(durationForExit){var $$=this,config=$$.config,barOrLineData=$$.barOrLineData.bind($$),classText=$$.classText.bind($$);$$.mainText=$$.main.selectAll('.'+CLASS.texts).selectAll('.'+CLASS.text).data(barOrLineData);$$.mainText.enter().append('text').attr("class",classText).attr('text-anchor',function(d){return config.axis_rotated?d.value<0?'end':'start':'middle';}).style("stroke",'none').style("fill",function(d){return $$.color(d);}).style("fill-opacity",0);$$.mainText.text(function(d,i,j){return $$.dataLabelFormat(d.id)(d.value,d.id,i,j);});$$.mainText.exit().transition().duration(durationForExit).style('fill-opacity',0).remove();};c3_chart_internal_fn.redrawText=function(xForText,yForText,forFlow,withTransition){return[(withTransition?this.mainText.transition():this.mainText).attr('x',xForText).attr('y',yForText).style("fill",this.color).style("fill-opacity",forFlow?0:this.opacityForText.bind(this))];};c3_chart_internal_fn.getTextRect=function(text,cls,element){var dummy=this.d3.select('body').append('div').classed('c3',true),svg=dummy.append("svg").style('visibility','hidden').style('position','fixed').style('top',0).style('left',0),font=this.d3.select(element).style('font'),rect;svg.selectAll('.dummy').data([text]).enter().append('text').classed(cls?cls:"",true).style('font',font).text(text).each(function(){rect=this.getBoundingClientRect();});dummy.remove();return rect;};c3_chart_internal_fn.generateXYForText=function(areaIndices,barIndices,lineIndices,forX){var $$=this,getAreaPoints=$$.generateGetAreaPoints(areaIndices,false),getBarPoints=$$.generateGetBarPoints(barIndices,false),getLinePoints=$$.generateGetLinePoints(lineIndices,false),getter=forX?$$.getXForText:$$.getYForText;return function(d,i){var getPoints=$$.isAreaType(d)?getAreaPoints:$$.isBarType(d)?getBarPoints:getLinePoints;return getter.call($$,getPoints(d,i),d,this);};};c3_chart_internal_fn.getXForText=function(points,d,textElement){var $$=this,box=textElement.getBoundingClientRect(),xPos,padding;if($$.config.axis_rotated){padding=$$.isBarType(d)?4:6;xPos=points[2][1]+padding*(d.value<0?-1:1);}else{xPos=$$.hasType('bar')?(points[2][0]+points[0][0])/2:points[0][0];}// show labels regardless of the domain if value is null
if(d.value===null){if(xPos>$$.width){xPos=$$.width-box.width;}else if(xPos<0){xPos=4;}}return xPos;};c3_chart_internal_fn.getYForText=function(points,d,textElement){var $$=this,box=textElement.getBoundingClientRect(),yPos;if($$.config.axis_rotated){yPos=(points[0][0]+points[2][0]+box.height*0.6)/2;}else{yPos=points[2][1];if(d.value<0||d.value===0&&!$$.hasPositiveValue){yPos+=box.height;if($$.isBarType(d)&&$$.isSafari()){yPos-=3;}else if(!$$.isBarType(d)&&$$.isChrome()){yPos+=3;}}else{yPos+=$$.isBarType(d)?-3:-6;}}// show labels regardless of the domain if value is null
if(d.value===null&&!$$.config.axis_rotated){if(yPos<box.height){yPos=box.height;}else if(yPos>this.height){yPos=this.height-4;}}return yPos;};c3_chart_internal_fn.setTargetType=function(targetIds,type){var $$=this,config=$$.config;$$.mapToTargetIds(targetIds).forEach(function(id){$$.withoutFadeIn[id]=type===config.data_types[id];config.data_types[id]=type;});if(!targetIds){config.data_type=type;}};c3_chart_internal_fn.hasType=function(type,targets){var $$=this,types=$$.config.data_types,has=false;targets=targets||$$.data.targets;if(targets&&targets.length){targets.forEach(function(target){var t=types[target.id];if(t&&t.indexOf(type)>=0||!t&&type==='line'){has=true;}});}else if(Object.keys(types).length){Object.keys(types).forEach(function(id){if(types[id]===type){has=true;}});}else{has=$$.config.data_type===type;}return has;};c3_chart_internal_fn.hasArcType=function(targets){return this.hasType('pie',targets)||this.hasType('donut',targets)||this.hasType('gauge',targets);};c3_chart_internal_fn.isLineType=function(d){var config=this.config,id=isString(d)?d:d.id;return!config.data_types[id]||['line','spline','area','area-spline','step','area-step'].indexOf(config.data_types[id])>=0;};c3_chart_internal_fn.isStepType=function(d){var id=isString(d)?d:d.id;return['step','area-step'].indexOf(this.config.data_types[id])>=0;};c3_chart_internal_fn.isSplineType=function(d){var id=isString(d)?d:d.id;return['spline','area-spline'].indexOf(this.config.data_types[id])>=0;};c3_chart_internal_fn.isAreaType=function(d){var id=isString(d)?d:d.id;return['area','area-spline','area-step'].indexOf(this.config.data_types[id])>=0;};c3_chart_internal_fn.isBarType=function(d){var id=isString(d)?d:d.id;return this.config.data_types[id]==='bar';};c3_chart_internal_fn.isScatterType=function(d){var id=isString(d)?d:d.id;return this.config.data_types[id]==='scatter';};c3_chart_internal_fn.isPieType=function(d){var id=isString(d)?d:d.id;return this.config.data_types[id]==='pie';};c3_chart_internal_fn.isGaugeType=function(d){var id=isString(d)?d:d.id;return this.config.data_types[id]==='gauge';};c3_chart_internal_fn.isDonutType=function(d){var id=isString(d)?d:d.id;return this.config.data_types[id]==='donut';};c3_chart_internal_fn.isArcType=function(d){return this.isPieType(d)||this.isDonutType(d)||this.isGaugeType(d);};c3_chart_internal_fn.lineData=function(d){return this.isLineType(d)?[d]:[];};c3_chart_internal_fn.arcData=function(d){return this.isArcType(d.data)?[d]:[];};/* not used
 function scatterData(d) {
 return isScatterType(d) ? d.values : [];
 }
 */c3_chart_internal_fn.barData=function(d){return this.isBarType(d)?d.values:[];};c3_chart_internal_fn.lineOrScatterData=function(d){return this.isLineType(d)||this.isScatterType(d)?d.values:[];};c3_chart_internal_fn.barOrLineData=function(d){return this.isBarType(d)||this.isLineType(d)?d.values:[];};c3_chart_internal_fn.isInterpolationType=function(type){return['linear','linear-closed','basis','basis-open','basis-closed','bundle','cardinal','cardinal-open','cardinal-closed','monotone'].indexOf(type)>=0;};c3_chart_internal_fn.initGrid=function(){var $$=this,config=$$.config,d3$$1=$$.d3;$$.grid=$$.main.append('g').attr("clip-path",$$.clipPathForGrid).attr('class',CLASS.grid);if(config.grid_x_show){$$.grid.append("g").attr("class",CLASS.xgrids);}if(config.grid_y_show){$$.grid.append('g').attr('class',CLASS.ygrids);}if(config.grid_focus_show){$$.grid.append('g').attr("class",CLASS.xgridFocus).append('line').attr('class',CLASS.xgridFocus);}$$.xgrid=d3$$1.selectAll([]);if(!config.grid_lines_front){$$.initGridLines();}};c3_chart_internal_fn.initGridLines=function(){var $$=this,d3$$1=$$.d3;$$.gridLines=$$.main.append('g').attr("clip-path",$$.clipPathForGrid).attr('class',CLASS.grid+' '+CLASS.gridLines);$$.gridLines.append('g').attr("class",CLASS.xgridLines);$$.gridLines.append('g').attr('class',CLASS.ygridLines);$$.xgridLines=d3$$1.selectAll([]);};c3_chart_internal_fn.updateXGrid=function(withoutUpdate){var $$=this,config=$$.config,d3$$1=$$.d3,xgridData=$$.generateGridData(config.grid_x_type,$$.x),tickOffset=$$.isCategorized()?$$.xAxis.tickOffset():0;$$.xgridAttr=config.axis_rotated?{'x1':0,'x2':$$.width,'y1':function y1(d){return $$.x(d)-tickOffset;},'y2':function y2(d){return $$.x(d)-tickOffset;}}:{'x1':function x1(d){return $$.x(d)+tickOffset;},'x2':function x2(d){return $$.x(d)+tickOffset;},'y1':0,'y2':$$.height};$$.xgrid=$$.main.select('.'+CLASS.xgrids).selectAll('.'+CLASS.xgrid).data(xgridData);$$.xgrid.enter().append('line').attr("class",CLASS.xgrid);if(!withoutUpdate){$$.xgrid.attr($$.xgridAttr).style("opacity",function(){return+d3$$1.select(this).attr(config.axis_rotated?'y1':'x1')===(config.axis_rotated?$$.height:0)?0:1;});}$$.xgrid.exit().remove();};c3_chart_internal_fn.updateYGrid=function(){var $$=this,config=$$.config,gridValues=$$.yAxis.tickValues()||$$.y.ticks(config.grid_y_ticks);$$.ygrid=$$.main.select('.'+CLASS.ygrids).selectAll('.'+CLASS.ygrid).data(gridValues);$$.ygrid.enter().append('line').attr('class',CLASS.ygrid);$$.ygrid.attr("x1",config.axis_rotated?$$.y:0).attr("x2",config.axis_rotated?$$.y:$$.width).attr("y1",config.axis_rotated?0:$$.y).attr("y2",config.axis_rotated?$$.height:$$.y);$$.ygrid.exit().remove();$$.smoothLines($$.ygrid,'grid');};c3_chart_internal_fn.gridTextAnchor=function(d){return d.position?d.position:"end";};c3_chart_internal_fn.gridTextDx=function(d){return d.position==='start'?4:d.position==='middle'?0:-4;};c3_chart_internal_fn.xGridTextX=function(d){return d.position==='start'?-this.height:d.position==='middle'?-this.height/2:0;};c3_chart_internal_fn.yGridTextX=function(d){return d.position==='start'?0:d.position==='middle'?this.width/2:this.width;};c3_chart_internal_fn.updateGrid=function(duration){var $$=this,main=$$.main,config=$$.config,xgridLine,ygridLine,yv;// hide if arc type
$$.grid.style('visibility',$$.hasArcType()?'hidden':'visible');main.select('line.'+CLASS.xgridFocus).style("visibility","hidden");if(config.grid_x_show){$$.updateXGrid();}$$.xgridLines=main.select('.'+CLASS.xgridLines).selectAll('.'+CLASS.xgridLine).data(config.grid_x_lines);// enter
xgridLine=$$.xgridLines.enter().append('g').attr("class",function(d){return CLASS.xgridLine+(d['class']?' '+d['class']:'');});xgridLine.append('line').style("opacity",0);xgridLine.append('text').attr("text-anchor",$$.gridTextAnchor).attr("transform",config.axis_rotated?"":"rotate(-90)").attr('dx',$$.gridTextDx).attr('dy',-5).style("opacity",0);// udpate
// done in d3.transition() of the end of this function
// exit
$$.xgridLines.exit().transition().duration(duration).style("opacity",0).remove();// Y-Grid
if(config.grid_y_show){$$.updateYGrid();}$$.ygridLines=main.select('.'+CLASS.ygridLines).selectAll('.'+CLASS.ygridLine).data(config.grid_y_lines);// enter
ygridLine=$$.ygridLines.enter().append('g').attr("class",function(d){return CLASS.ygridLine+(d['class']?' '+d['class']:'');});ygridLine.append('line').style("opacity",0);ygridLine.append('text').attr("text-anchor",$$.gridTextAnchor).attr("transform",config.axis_rotated?"rotate(-90)":"").attr('dx',$$.gridTextDx).attr('dy',-5).style("opacity",0);// update
yv=$$.yv.bind($$);$$.ygridLines.select('line').transition().duration(duration).attr("x1",config.axis_rotated?yv:0).attr("x2",config.axis_rotated?yv:$$.width).attr("y1",config.axis_rotated?0:yv).attr("y2",config.axis_rotated?$$.height:yv).style("opacity",1);$$.ygridLines.select('text').transition().duration(duration).attr("x",config.axis_rotated?$$.xGridTextX.bind($$):$$.yGridTextX.bind($$)).attr("y",yv).text(function(d){return d.text;}).style("opacity",1);// exit
$$.ygridLines.exit().transition().duration(duration).style("opacity",0).remove();};c3_chart_internal_fn.redrawGrid=function(withTransition){var $$=this,config=$$.config,xv=$$.xv.bind($$),lines=$$.xgridLines.select('line'),texts=$$.xgridLines.select('text');return[(withTransition?lines.transition():lines).attr("x1",config.axis_rotated?0:xv).attr("x2",config.axis_rotated?$$.width:xv).attr("y1",config.axis_rotated?xv:0).attr("y2",config.axis_rotated?xv:$$.height).style("opacity",1),(withTransition?texts.transition():texts).attr("x",config.axis_rotated?$$.yGridTextX.bind($$):$$.xGridTextX.bind($$)).attr("y",xv).text(function(d){return d.text;}).style("opacity",1)];};c3_chart_internal_fn.showXGridFocus=function(selectedData){var $$=this,config=$$.config,dataToShow=selectedData.filter(function(d){return d&&isValue(d.value);}),focusEl=$$.main.selectAll('line.'+CLASS.xgridFocus),xx=$$.xx.bind($$);if(!config.tooltip_show){return;}// Hide when scatter plot exists
if($$.hasType('scatter')||$$.hasArcType()){return;}focusEl.style("visibility","visible").data([dataToShow[0]]).attr(config.axis_rotated?'y1':'x1',xx).attr(config.axis_rotated?'y2':'x2',xx);$$.smoothLines(focusEl,'grid');};c3_chart_internal_fn.hideXGridFocus=function(){this.main.select('line.'+CLASS.xgridFocus).style("visibility","hidden");};c3_chart_internal_fn.updateXgridFocus=function(){var $$=this,config=$$.config;$$.main.select('line.'+CLASS.xgridFocus).attr("x1",config.axis_rotated?0:-10).attr("x2",config.axis_rotated?$$.width:-10).attr("y1",config.axis_rotated?-10:0).attr("y2",config.axis_rotated?-10:$$.height);};c3_chart_internal_fn.generateGridData=function(type,scale){var $$=this,gridData=[],xDomain,firstYear,lastYear,i,tickNum=$$.main.select("."+CLASS.axisX).selectAll('.tick').size();if(type==='year'){xDomain=$$.getXDomain();firstYear=xDomain[0].getFullYear();lastYear=xDomain[1].getFullYear();for(i=firstYear;i<=lastYear;i++){gridData.push(new Date(i+'-01-01 00:00:00'));}}else{gridData=scale.ticks(10);if(gridData.length>tickNum){// use only int
gridData=gridData.filter(function(d){return(""+d).indexOf('.')<0;});}}return gridData;};c3_chart_internal_fn.getGridFilterToRemove=function(params){return params?function(line){var found=false;[].concat(params).forEach(function(param){if('value'in param&&line.value===param.value||'class'in param&&line['class']===param['class']){found=true;}});return found;}:function(){return true;};};c3_chart_internal_fn.removeGridLines=function(params,forX){var $$=this,config=$$.config,toRemove=$$.getGridFilterToRemove(params),toShow=function toShow(line){return!toRemove(line);},classLines=forX?CLASS.xgridLines:CLASS.ygridLines,classLine=forX?CLASS.xgridLine:CLASS.ygridLine;$$.main.select('.'+classLines).selectAll('.'+classLine).filter(toRemove).transition().duration(config.transition_duration).style('opacity',0).remove();if(forX){config.grid_x_lines=config.grid_x_lines.filter(toShow);}else{config.grid_y_lines=config.grid_y_lines.filter(toShow);}};c3_chart_internal_fn.initTooltip=function(){var $$=this,config=$$.config,i;$$.tooltip=$$.selectChart.style("position","relative").append("div").attr('class',CLASS.tooltipContainer).style("position","absolute").style("pointer-events","none").style("display","none");// Show tooltip if needed
if(config.tooltip_init_show){if($$.isTimeSeries()&&isString(config.tooltip_init_x)){config.tooltip_init_x=$$.parseDate(config.tooltip_init_x);for(i=0;i<$$.data.targets[0].values.length;i++){if($$.data.targets[0].values[i].x-config.tooltip_init_x===0){break;}}config.tooltip_init_x=i;}$$.tooltip.html(config.tooltip_contents.call($$,$$.data.targets.map(function(d){return $$.addName(d.values[config.tooltip_init_x]);}),$$.axis.getXAxisTickFormat(),$$.getYFormat($$.hasArcType()),$$.color));$$.tooltip.style("top",config.tooltip_init_position.top).style("left",config.tooltip_init_position.left).style("display","block");}};c3_chart_internal_fn.getTooltipContent=function(d,defaultTitleFormat,defaultValueFormat,color){var $$=this,config=$$.config,titleFormat=config.tooltip_format_title||defaultTitleFormat,nameFormat=config.tooltip_format_name||function(name){return name;},valueFormat=config.tooltip_format_value||defaultValueFormat,text,i,title,value,name,bgcolor,orderAsc=$$.isOrderAsc();if(config.data_groups.length===0){d.sort(function(a,b){var v1=a?a.value:null,v2=b?b.value:null;return orderAsc?v1-v2:v2-v1;});}else{var ids=$$.orderTargets($$.data.targets).map(function(i){return i.id;});d.sort(function(a,b){var v1=a?a.value:null,v2=b?b.value:null;if(v1>0&&v2>0){v1=a?ids.indexOf(a.id):null;v2=b?ids.indexOf(b.id):null;}return orderAsc?v1-v2:v2-v1;});}for(i=0;i<d.length;i++){if(!(d[i]&&(d[i].value||d[i].value===0))){continue;}if(!text){title=sanitise(titleFormat?titleFormat(d[i].x):d[i].x);text="<table class='"+$$.CLASS.tooltip+"'>"+(title||title===0?"<tr><th colspan='2'>"+title+"</th></tr>":"");}value=sanitise(valueFormat(d[i].value,d[i].ratio,d[i].id,d[i].index,d));if(value!==undefined){// Skip elements when their name is set to null
if(d[i].name===null){continue;}name=sanitise(nameFormat(d[i].name,d[i].ratio,d[i].id,d[i].index));bgcolor=$$.levelColor?$$.levelColor(d[i].value):color(d[i].id);text+="<tr class='"+$$.CLASS.tooltipName+"-"+$$.getTargetSelectorSuffix(d[i].id)+"'>";text+="<td class='name'><span style='background-color:"+bgcolor+"'></span>"+name+"</td>";text+="<td class='value'>"+value+"</td>";text+="</tr>";}}return text+"</table>";};c3_chart_internal_fn.tooltipPosition=function(dataToShow,tWidth,tHeight,element){var $$=this,config=$$.config,d3$$1=$$.d3;var svgLeft,tooltipLeft,tooltipRight,tooltipTop,chartRight;var forArc=$$.hasArcType(),mouse=d3$$1.mouse(element);// Determin tooltip position
if(forArc){tooltipLeft=($$.width-($$.isLegendRight?$$.getLegendWidth():0))/2+mouse[0];tooltipTop=$$.height/2+mouse[1]+20;}else{svgLeft=$$.getSvgLeft(true);if(config.axis_rotated){tooltipLeft=svgLeft+mouse[0]+100;tooltipRight=tooltipLeft+tWidth;chartRight=$$.currentWidth-$$.getCurrentPaddingRight();tooltipTop=$$.x(dataToShow[0].x)+20;}else{tooltipLeft=svgLeft+$$.getCurrentPaddingLeft(true)+$$.x(dataToShow[0].x)+20;tooltipRight=tooltipLeft+tWidth;chartRight=svgLeft+$$.currentWidth-$$.getCurrentPaddingRight();tooltipTop=mouse[1]+15;}if(tooltipRight>chartRight){// 20 is needed for Firefox to keep tooltip width
tooltipLeft-=tooltipRight-chartRight+20;}if(tooltipTop+tHeight>$$.currentHeight){tooltipTop-=tHeight+30;}}if(tooltipTop<0){tooltipTop=0;}return{top:tooltipTop,left:tooltipLeft};};c3_chart_internal_fn.showTooltip=function(selectedData,element){var $$=this,config=$$.config;var tWidth,tHeight,position;var forArc=$$.hasArcType(),dataToShow=selectedData.filter(function(d){return d&&isValue(d.value);}),positionFunction=config.tooltip_position||c3_chart_internal_fn.tooltipPosition;if(dataToShow.length===0||!config.tooltip_show){return;}$$.tooltip.html(config.tooltip_contents.call($$,selectedData,$$.axis.getXAxisTickFormat(),$$.getYFormat(forArc),$$.color)).style("display","block");// Get tooltip dimensions
tWidth=$$.tooltip.property('offsetWidth');tHeight=$$.tooltip.property('offsetHeight');position=positionFunction.call(this,dataToShow,tWidth,tHeight,element);// Set tooltip
$$.tooltip.style("top",position.top+"px").style("left",position.left+'px');};c3_chart_internal_fn.hideTooltip=function(){this.tooltip.style("display","none");};c3_chart_internal_fn.initLegend=function(){var $$=this;$$.legendItemTextBox={};$$.legendHasRendered=false;$$.legend=$$.svg.append("g").attr("transform",$$.getTranslate('legend'));if(!$$.config.legend_show){$$.legend.style('visibility','hidden');$$.hiddenLegendIds=$$.mapToIds($$.data.targets);return;}// MEMO: call here to update legend box and tranlate for all
// MEMO: translate will be upated by this, so transform not needed in updateLegend()
$$.updateLegendWithDefaults();};c3_chart_internal_fn.updateLegendWithDefaults=function(){var $$=this;$$.updateLegend($$.mapToIds($$.data.targets),{withTransform:false,withTransitionForTransform:false,withTransition:false});};c3_chart_internal_fn.updateSizeForLegend=function(legendHeight,legendWidth){var $$=this,config=$$.config,insetLegendPosition={top:$$.isLegendTop?$$.getCurrentPaddingTop()+config.legend_inset_y+5.5:$$.currentHeight-legendHeight-$$.getCurrentPaddingBottom()-config.legend_inset_y,left:$$.isLegendLeft?$$.getCurrentPaddingLeft()+config.legend_inset_x+0.5:$$.currentWidth-legendWidth-$$.getCurrentPaddingRight()-config.legend_inset_x+0.5};$$.margin3={top:$$.isLegendRight?0:$$.isLegendInset?insetLegendPosition.top:$$.currentHeight-legendHeight,right:NaN,bottom:0,left:$$.isLegendRight?$$.currentWidth-legendWidth:$$.isLegendInset?insetLegendPosition.left:0};};c3_chart_internal_fn.transformLegend=function(withTransition){var $$=this;(withTransition?$$.legend.transition():$$.legend).attr("transform",$$.getTranslate('legend'));};c3_chart_internal_fn.updateLegendStep=function(step){this.legendStep=step;};c3_chart_internal_fn.updateLegendItemWidth=function(w){this.legendItemWidth=w;};c3_chart_internal_fn.updateLegendItemHeight=function(h){this.legendItemHeight=h;};c3_chart_internal_fn.getLegendWidth=function(){var $$=this;return $$.config.legend_show?$$.isLegendRight||$$.isLegendInset?$$.legendItemWidth*($$.legendStep+1):$$.currentWidth:0;};c3_chart_internal_fn.getLegendHeight=function(){var $$=this,h=0;if($$.config.legend_show){if($$.isLegendRight){h=$$.currentHeight;}else{h=Math.max(20,$$.legendItemHeight)*($$.legendStep+1);}}return h;};c3_chart_internal_fn.opacityForLegend=function(legendItem){return legendItem.classed(CLASS.legendItemHidden)?null:1;};c3_chart_internal_fn.opacityForUnfocusedLegend=function(legendItem){return legendItem.classed(CLASS.legendItemHidden)?null:0.3;};c3_chart_internal_fn.toggleFocusLegend=function(targetIds,focus){var $$=this;targetIds=$$.mapToTargetIds(targetIds);$$.legend.selectAll('.'+CLASS.legendItem).filter(function(id){return targetIds.indexOf(id)>=0;}).classed(CLASS.legendItemFocused,focus).transition().duration(100).style('opacity',function(){var opacity=focus?$$.opacityForLegend:$$.opacityForUnfocusedLegend;return opacity.call($$,$$.d3.select(this));});};c3_chart_internal_fn.revertLegend=function(){var $$=this,d3$$1=$$.d3;$$.legend.selectAll('.'+CLASS.legendItem).classed(CLASS.legendItemFocused,false).transition().duration(100).style('opacity',function(){return $$.opacityForLegend(d3$$1.select(this));});};c3_chart_internal_fn.showLegend=function(targetIds){var $$=this,config=$$.config;if(!config.legend_show){config.legend_show=true;$$.legend.style('visibility','visible');if(!$$.legendHasRendered){$$.updateLegendWithDefaults();}}$$.removeHiddenLegendIds(targetIds);$$.legend.selectAll($$.selectorLegends(targetIds)).style('visibility','visible').transition().style('opacity',function(){return $$.opacityForLegend($$.d3.select(this));});};c3_chart_internal_fn.hideLegend=function(targetIds){var $$=this,config=$$.config;if(config.legend_show&&isEmpty(targetIds)){config.legend_show=false;$$.legend.style('visibility','hidden');}$$.addHiddenLegendIds(targetIds);$$.legend.selectAll($$.selectorLegends(targetIds)).style('opacity',0).style('visibility','hidden');};c3_chart_internal_fn.clearLegendItemTextBoxCache=function(){this.legendItemTextBox={};};c3_chart_internal_fn.updateLegend=function(targetIds,options,transitions){var $$=this,config=$$.config;var xForLegend,xForLegendText,xForLegendRect,yForLegend,yForLegendText,yForLegendRect,x1ForLegendTile,x2ForLegendTile,yForLegendTile;var paddingTop=4,paddingRight=10,maxWidth=0,maxHeight=0,posMin=10,tileWidth=config.legend_item_tile_width+5;var l,totalLength=0,offsets={},widths={},heights={},margins=[0],steps={},step=0;var withTransition,withTransitionForTransform;var texts,rects,tiles,background;// Skip elements when their name is set to null
targetIds=targetIds.filter(function(id){return!isDefined(config.data_names[id])||config.data_names[id]!==null;});options=options||{};withTransition=getOption(options,"withTransition",true);withTransitionForTransform=getOption(options,"withTransitionForTransform",true);function getTextBox(textElement,id){if(!$$.legendItemTextBox[id]){$$.legendItemTextBox[id]=$$.getTextRect(textElement.textContent,CLASS.legendItem,textElement);}return $$.legendItemTextBox[id];}function updatePositions(textElement,id,index){var reset=index===0,isLast=index===targetIds.length-1,box=getTextBox(textElement,id),itemWidth=box.width+tileWidth+(isLast&&!($$.isLegendRight||$$.isLegendInset)?0:paddingRight)+config.legend_padding,itemHeight=box.height+paddingTop,itemLength=$$.isLegendRight||$$.isLegendInset?itemHeight:itemWidth,areaLength=$$.isLegendRight||$$.isLegendInset?$$.getLegendHeight():$$.getLegendWidth(),margin,maxLength;// MEMO: care about condifion of step, totalLength
function updateValues(id,withoutStep){if(!withoutStep){margin=(areaLength-totalLength-itemLength)/2;if(margin<posMin){margin=(areaLength-itemLength)/2;totalLength=0;step++;}}steps[id]=step;margins[step]=$$.isLegendInset?10:margin;offsets[id]=totalLength;totalLength+=itemLength;}if(reset){totalLength=0;step=0;maxWidth=0;maxHeight=0;}if(config.legend_show&&!$$.isLegendToShow(id)){widths[id]=heights[id]=steps[id]=offsets[id]=0;return;}widths[id]=itemWidth;heights[id]=itemHeight;if(!maxWidth||itemWidth>=maxWidth){maxWidth=itemWidth;}if(!maxHeight||itemHeight>=maxHeight){maxHeight=itemHeight;}maxLength=$$.isLegendRight||$$.isLegendInset?maxHeight:maxWidth;if(config.legend_equally){Object.keys(widths).forEach(function(id){widths[id]=maxWidth;});Object.keys(heights).forEach(function(id){heights[id]=maxHeight;});margin=(areaLength-maxLength*targetIds.length)/2;if(margin<posMin){totalLength=0;step=0;targetIds.forEach(function(id){updateValues(id);});}else{updateValues(id,true);}}else{updateValues(id);}}if($$.isLegendInset){step=config.legend_inset_step?config.legend_inset_step:targetIds.length;$$.updateLegendStep(step);}if($$.isLegendRight){xForLegend=function xForLegend(id){return maxWidth*steps[id];};yForLegend=function yForLegend(id){return margins[steps[id]]+offsets[id];};}else if($$.isLegendInset){xForLegend=function xForLegend(id){return maxWidth*steps[id]+10;};yForLegend=function yForLegend(id){return margins[steps[id]]+offsets[id];};}else{xForLegend=function xForLegend(id){return margins[steps[id]]+offsets[id];};yForLegend=function yForLegend(id){return maxHeight*steps[id];};}xForLegendText=function xForLegendText(id,i){return xForLegend(id,i)+4+config.legend_item_tile_width;};yForLegendText=function yForLegendText(id,i){return yForLegend(id,i)+9;};xForLegendRect=function xForLegendRect(id,i){return xForLegend(id,i);};yForLegendRect=function yForLegendRect(id,i){return yForLegend(id,i)-5;};x1ForLegendTile=function x1ForLegendTile(id,i){return xForLegend(id,i)-2;};x2ForLegendTile=function x2ForLegendTile(id,i){return xForLegend(id,i)-2+config.legend_item_tile_width;};yForLegendTile=function yForLegendTile(id,i){return yForLegend(id,i)+4;};// Define g for legend area
l=$$.legend.selectAll('.'+CLASS.legendItem).data(targetIds).enter().append('g').attr('class',function(id){return $$.generateClass(CLASS.legendItem,id);}).style('visibility',function(id){return $$.isLegendToShow(id)?'visible':'hidden';}).style('cursor','pointer').on('click',function(id){if(config.legend_item_onclick){config.legend_item_onclick.call($$,id);}else{if($$.d3.event.altKey){$$.api.hide();$$.api.show(id);}else{$$.api.toggle(id);$$.isTargetToShow(id)?$$.api.focus(id):$$.api.revert();}}}).on('mouseover',function(id){if(config.legend_item_onmouseover){config.legend_item_onmouseover.call($$,id);}else{$$.d3.select(this).classed(CLASS.legendItemFocused,true);if(!$$.transiting&&$$.isTargetToShow(id)){$$.api.focus(id);}}}).on('mouseout',function(id){if(config.legend_item_onmouseout){config.legend_item_onmouseout.call($$,id);}else{$$.d3.select(this).classed(CLASS.legendItemFocused,false);$$.api.revert();}});l.append('text').text(function(id){return isDefined(config.data_names[id])?config.data_names[id]:id;}).each(function(id,i){updatePositions(this,id,i);}).style("pointer-events","none").attr('x',$$.isLegendRight||$$.isLegendInset?xForLegendText:-200).attr('y',$$.isLegendRight||$$.isLegendInset?-200:yForLegendText);l.append('rect').attr("class",CLASS.legendItemEvent).style('fill-opacity',0).attr('x',$$.isLegendRight||$$.isLegendInset?xForLegendRect:-200).attr('y',$$.isLegendRight||$$.isLegendInset?-200:yForLegendRect);l.append('line').attr('class',CLASS.legendItemTile).style('stroke',$$.color).style("pointer-events","none").attr('x1',$$.isLegendRight||$$.isLegendInset?x1ForLegendTile:-200).attr('y1',$$.isLegendRight||$$.isLegendInset?-200:yForLegendTile).attr('x2',$$.isLegendRight||$$.isLegendInset?x2ForLegendTile:-200).attr('y2',$$.isLegendRight||$$.isLegendInset?-200:yForLegendTile).attr('stroke-width',config.legend_item_tile_height);// Set background for inset legend
background=$$.legend.select('.'+CLASS.legendBackground+' rect');if($$.isLegendInset&&maxWidth>0&&background.size()===0){background=$$.legend.insert('g','.'+CLASS.legendItem).attr("class",CLASS.legendBackground).append('rect');}texts=$$.legend.selectAll('text').data(targetIds).text(function(id){return isDefined(config.data_names[id])?config.data_names[id]:id;})// MEMO: needed for update
.each(function(id,i){updatePositions(this,id,i);});(withTransition?texts.transition():texts).attr('x',xForLegendText).attr('y',yForLegendText);rects=$$.legend.selectAll('rect.'+CLASS.legendItemEvent).data(targetIds);(withTransition?rects.transition():rects).attr('width',function(id){return widths[id];}).attr('height',function(id){return heights[id];}).attr('x',xForLegendRect).attr('y',yForLegendRect);tiles=$$.legend.selectAll('line.'+CLASS.legendItemTile).data(targetIds);(withTransition?tiles.transition():tiles).style('stroke',$$.color).attr('x1',x1ForLegendTile).attr('y1',yForLegendTile).attr('x2',x2ForLegendTile).attr('y2',yForLegendTile);if(background){(withTransition?background.transition():background).attr('height',$$.getLegendHeight()-12).attr('width',maxWidth*(step+1)+10);}// toggle legend state
$$.legend.selectAll('.'+CLASS.legendItem).classed(CLASS.legendItemHidden,function(id){return!$$.isTargetToShow(id);});// Update all to reflect change of legend
$$.updateLegendItemWidth(maxWidth);$$.updateLegendItemHeight(maxHeight);$$.updateLegendStep(step);// Update size and scale
$$.updateSizes();$$.updateScales();$$.updateSvgSize();// Update g positions
$$.transformAll(withTransitionForTransform,transitions);$$.legendHasRendered=true;};c3_chart_internal_fn.initTitle=function(){var $$=this;$$.title=$$.svg.append("text").text($$.config.title_text).attr("class",$$.CLASS.title);};c3_chart_internal_fn.redrawTitle=function(){var $$=this;$$.title.attr("x",$$.xForTitle.bind($$)).attr("y",$$.yForTitle.bind($$));};c3_chart_internal_fn.xForTitle=function(){var $$=this,config=$$.config,position=config.title_position||'left',x;if(position.indexOf('right')>=0){x=$$.currentWidth-$$.getTextRect($$.title.node().textContent,$$.CLASS.title,$$.title.node()).width-config.title_padding.right;}else if(position.indexOf('center')>=0){x=($$.currentWidth-$$.getTextRect($$.title.node().textContent,$$.CLASS.title,$$.title.node()).width)/2;}else{// left
x=config.title_padding.left;}return x;};c3_chart_internal_fn.yForTitle=function(){var $$=this;return $$.config.title_padding.top+$$.getTextRect($$.title.node().textContent,$$.CLASS.title,$$.title.node()).height;};c3_chart_internal_fn.getTitlePadding=function(){var $$=this;return $$.yForTitle()+$$.config.title_padding.bottom;};c3_chart_internal_fn.getClipPath=function(id){var isIE9=window.navigator.appVersion.toLowerCase().indexOf("msie 9.")>=0;return"url("+(isIE9?"":document.URL.split('#')[0])+"#"+id+")";};c3_chart_internal_fn.appendClip=function(parent,id){return parent.append("clipPath").attr("id",id).append("rect");};c3_chart_internal_fn.getAxisClipX=function(forHorizontal){// axis line width + padding for left
var left=Math.max(30,this.margin.left);return forHorizontal?-(1+left):-(left-1);};c3_chart_internal_fn.getAxisClipY=function(forHorizontal){return forHorizontal?-20:-this.margin.top;};c3_chart_internal_fn.getXAxisClipX=function(){var $$=this;return $$.getAxisClipX(!$$.config.axis_rotated);};c3_chart_internal_fn.getXAxisClipY=function(){var $$=this;return $$.getAxisClipY(!$$.config.axis_rotated);};c3_chart_internal_fn.getYAxisClipX=function(){var $$=this;return $$.config.axis_y_inner?-1:$$.getAxisClipX($$.config.axis_rotated);};c3_chart_internal_fn.getYAxisClipY=function(){var $$=this;return $$.getAxisClipY($$.config.axis_rotated);};c3_chart_internal_fn.getAxisClipWidth=function(forHorizontal){var $$=this,left=Math.max(30,$$.margin.left),right=Math.max(30,$$.margin.right);// width + axis line width + padding for left/right
return forHorizontal?$$.width+2+left+right:$$.margin.left+20;};c3_chart_internal_fn.getAxisClipHeight=function(forHorizontal){// less than 20 is not enough to show the axis label 'outer' without legend
return(forHorizontal?this.margin.bottom:this.margin.top+this.height)+20;};c3_chart_internal_fn.getXAxisClipWidth=function(){var $$=this;return $$.getAxisClipWidth(!$$.config.axis_rotated);};c3_chart_internal_fn.getXAxisClipHeight=function(){var $$=this;return $$.getAxisClipHeight(!$$.config.axis_rotated);};c3_chart_internal_fn.getYAxisClipWidth=function(){var $$=this;return $$.getAxisClipWidth($$.config.axis_rotated)+($$.config.axis_y_inner?20:0);};c3_chart_internal_fn.getYAxisClipHeight=function(){var $$=this;return $$.getAxisClipHeight($$.config.axis_rotated);};c3_chart_internal_fn.initPie=function(){var $$=this,d3$$1=$$.d3,config=$$.config;$$.pie=d3$$1.layout.pie().value(function(d){return d.values.reduce(function(a,b){return a+b.value;},0);});if(!config.data_order){$$.pie.sort(null);}};c3_chart_internal_fn.updateRadius=function(){var $$=this,config=$$.config,w=config.gauge_width||config.donut_width;$$.radiusExpanded=Math.min($$.arcWidth,$$.arcHeight)/2;$$.radius=$$.radiusExpanded*0.95;$$.innerRadiusRatio=w?($$.radius-w)/$$.radius:0.6;$$.innerRadius=$$.hasType('donut')||$$.hasType('gauge')?$$.radius*$$.innerRadiusRatio:0;};c3_chart_internal_fn.updateArc=function(){var $$=this;$$.svgArc=$$.getSvgArc();$$.svgArcExpanded=$$.getSvgArcExpanded();$$.svgArcExpandedSub=$$.getSvgArcExpanded(0.98);};c3_chart_internal_fn.updateAngle=function(d){var $$=this,config=$$.config,found=false,index=0,gMin,gMax,gTic,gValue;if(!config){return null;}$$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function(t){if(!found&&t.data.id===d.data.id){found=true;d=t;d.index=index;}index++;});if(isNaN(d.startAngle)){d.startAngle=0;}if(isNaN(d.endAngle)){d.endAngle=d.startAngle;}if($$.isGaugeType(d.data)){gMin=config.gauge_min;gMax=config.gauge_max;gTic=Math.PI*(config.gauge_fullCircle?2:1)/(gMax-gMin);gValue=d.value<gMin?0:d.value<gMax?d.value-gMin:gMax-gMin;d.startAngle=config.gauge_startingAngle;d.endAngle=d.startAngle+gTic*gValue;}return found?d:null;};c3_chart_internal_fn.getSvgArc=function(){var $$=this,arc=$$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),newArc=function newArc(d,withoutUpdate){var updated;if(withoutUpdate){return arc(d);}// for interpolate
updated=$$.updateAngle(d);return updated?arc(updated):"M 0 0";};// TODO: extends all function
newArc.centroid=arc.centroid;return newArc;};c3_chart_internal_fn.getSvgArcExpanded=function(rate){var $$=this,arc=$$.d3.svg.arc().outerRadius($$.radiusExpanded*(rate?rate:1)).innerRadius($$.innerRadius);return function(d){var updated=$$.updateAngle(d);return updated?arc(updated):"M 0 0";};};c3_chart_internal_fn.getArc=function(d,withoutUpdate,force){return force||this.isArcType(d.data)?this.svgArc(d,withoutUpdate):"M 0 0";};c3_chart_internal_fn.transformForArcLabel=function(d){var $$=this,config=$$.config,updated=$$.updateAngle(d),c,x,y,h,ratio,translate="";if(updated&&!$$.hasType('gauge')){c=this.svgArc.centroid(updated);x=isNaN(c[0])?0:c[0];y=isNaN(c[1])?0:c[1];h=Math.sqrt(x*x+y*y);if($$.hasType('donut')&&config.donut_label_ratio){ratio=isFunction(config.donut_label_ratio)?config.donut_label_ratio(d,$$.radius,h):config.donut_label_ratio;}else if($$.hasType('pie')&&config.pie_label_ratio){ratio=isFunction(config.pie_label_ratio)?config.pie_label_ratio(d,$$.radius,h):config.pie_label_ratio;}else{ratio=$$.radius&&h?(36/$$.radius>0.375?1.175-36/$$.radius:0.8)*$$.radius/h:0;}translate="translate("+x*ratio+','+y*ratio+")";}return translate;};c3_chart_internal_fn.getArcRatio=function(d){var $$=this,config=$$.config,whole=Math.PI*($$.hasType('gauge')&&!config.gauge_fullCircle?1:2);return d?(d.endAngle-d.startAngle)/whole:null;};c3_chart_internal_fn.convertToArcData=function(d){return this.addName({id:d.data.id,value:d.value,ratio:this.getArcRatio(d),index:d.index});};c3_chart_internal_fn.textForArcLabel=function(d){var $$=this,updated,value,ratio,id,format;if(!$$.shouldShowArcLabel()){return"";}updated=$$.updateAngle(d);value=updated?updated.value:null;ratio=$$.getArcRatio(updated);id=d.data.id;if(!$$.hasType('gauge')&&!$$.meetsArcLabelThreshold(ratio)){return"";}format=$$.getArcLabelFormat();return format?format(value,ratio,id):$$.defaultArcValueFormat(value,ratio);};c3_chart_internal_fn.expandArc=function(targetIds){var $$=this,interval;// MEMO: avoid to cancel transition
if($$.transiting){interval=window.setInterval(function(){if(!$$.transiting){window.clearInterval(interval);if($$.legend.selectAll('.c3-legend-item-focused').size()>0){$$.expandArc(targetIds);}}},10);return;}targetIds=$$.mapToTargetIds(targetIds);$$.svg.selectAll($$.selectorTargets(targetIds,'.'+CLASS.chartArc)).each(function(d){if(!$$.shouldExpand(d.data.id)){return;}$$.d3.select(this).selectAll('path').transition().duration($$.expandDuration(d.data.id)).attr("d",$$.svgArcExpanded).transition().duration($$.expandDuration(d.data.id)*2).attr("d",$$.svgArcExpandedSub).each(function(d){if($$.isDonutType(d.data)){// callback here
}});});};c3_chart_internal_fn.unexpandArc=function(targetIds){var $$=this;if($$.transiting){return;}targetIds=$$.mapToTargetIds(targetIds);$$.svg.selectAll($$.selectorTargets(targetIds,'.'+CLASS.chartArc)).selectAll('path').transition().duration(function(d){return $$.expandDuration(d.data.id);}).attr("d",$$.svgArc);$$.svg.selectAll('.'+CLASS.arc).style("opacity",1);};c3_chart_internal_fn.expandDuration=function(id){var $$=this,config=$$.config;if($$.isDonutType(id)){return config.donut_expand_duration;}else if($$.isGaugeType(id)){return config.gauge_expand_duration;}else if($$.isPieType(id)){return config.pie_expand_duration;}else{return 50;}};c3_chart_internal_fn.shouldExpand=function(id){var $$=this,config=$$.config;return $$.isDonutType(id)&&config.donut_expand||$$.isGaugeType(id)&&config.gauge_expand||$$.isPieType(id)&&config.pie_expand;};c3_chart_internal_fn.shouldShowArcLabel=function(){var $$=this,config=$$.config,shouldShow=true;if($$.hasType('donut')){shouldShow=config.donut_label_show;}else if($$.hasType('pie')){shouldShow=config.pie_label_show;}// when gauge, always true
return shouldShow;};c3_chart_internal_fn.meetsArcLabelThreshold=function(ratio){var $$=this,config=$$.config,threshold=$$.hasType('donut')?config.donut_label_threshold:config.pie_label_threshold;return ratio>=threshold;};c3_chart_internal_fn.getArcLabelFormat=function(){var $$=this,config=$$.config,format=config.pie_label_format;if($$.hasType('gauge')){format=config.gauge_label_format;}else if($$.hasType('donut')){format=config.donut_label_format;}return format;};c3_chart_internal_fn.getArcTitle=function(){var $$=this;return $$.hasType('donut')?$$.config.donut_title:"";};c3_chart_internal_fn.updateTargetsForArc=function(targets){var $$=this,main=$$.main,mainPieUpdate,mainPieEnter,classChartArc=$$.classChartArc.bind($$),classArcs=$$.classArcs.bind($$),classFocus=$$.classFocus.bind($$);mainPieUpdate=main.select('.'+CLASS.chartArcs).selectAll('.'+CLASS.chartArc).data($$.pie(targets)).attr("class",function(d){return classChartArc(d)+classFocus(d.data);});mainPieEnter=mainPieUpdate.enter().append("g").attr("class",classChartArc);mainPieEnter.append('g').attr('class',classArcs);mainPieEnter.append("text").attr("dy",$$.hasType('gauge')?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none");// MEMO: can not keep same color..., but not bad to update color in redraw
//mainPieUpdate.exit().remove();
};c3_chart_internal_fn.initArc=function(){var $$=this;$$.arcs=$$.main.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartArcs).attr("transform",$$.getTranslate('arc'));$$.arcs.append('text').attr('class',CLASS.chartArcsTitle).style("text-anchor","middle").text($$.getArcTitle());};c3_chart_internal_fn.redrawArc=function(duration,durationForExit,withTransform){var $$=this,d3$$1=$$.d3,config=$$.config,main=$$.main,mainArc;mainArc=main.selectAll('.'+CLASS.arcs).selectAll('.'+CLASS.arc).data($$.arcData.bind($$));mainArc.enter().append('path').attr("class",$$.classArc.bind($$)).style("fill",function(d){return $$.color(d.data);}).style("cursor",function(d){return config.interaction_enabled&&config.data_selection_isselectable(d)?"pointer":null;}).style("opacity",0).each(function(d){if($$.isGaugeType(d.data)){d.startAngle=d.endAngle=config.gauge_startingAngle;}this._current=d;});mainArc.attr("transform",function(d){return!$$.isGaugeType(d.data)&&withTransform?"scale(0)":"";}).style("opacity",function(d){return d===this._current?0:1;}).on('mouseover',config.interaction_enabled?function(d){var updated,arcData;if($$.transiting){// skip while transiting
return;}updated=$$.updateAngle(d);if(updated){arcData=$$.convertToArcData(updated);// transitions
$$.expandArc(updated.data.id);$$.api.focus(updated.data.id);$$.toggleFocusLegend(updated.data.id,true);$$.config.data_onmouseover(arcData,this);}}:null).on('mousemove',config.interaction_enabled?function(d){var updated=$$.updateAngle(d),arcData,selectedData;if(updated){arcData=$$.convertToArcData(updated),selectedData=[arcData];$$.showTooltip(selectedData,this);}}:null).on('mouseout',config.interaction_enabled?function(d){var updated,arcData;if($$.transiting){// skip while transiting
return;}updated=$$.updateAngle(d);if(updated){arcData=$$.convertToArcData(updated);// transitions
$$.unexpandArc(updated.data.id);$$.api.revert();$$.revertLegend();$$.hideTooltip();$$.config.data_onmouseout(arcData,this);}}:null).on('click',config.interaction_enabled?function(d,i){var updated=$$.updateAngle(d),arcData;if(updated){arcData=$$.convertToArcData(updated);if($$.toggleShape){$$.toggleShape(this,arcData,i);}$$.config.data_onclick.call($$.api,arcData,this);}}:null).each(function(){$$.transiting=true;}).transition().duration(duration).attrTween("d",function(d){var updated=$$.updateAngle(d),interpolate;if(!updated){return function(){return"M 0 0";};}//                if (this._current === d) {
//                    this._current = {
//                        startAngle: Math.PI*2,
//                        endAngle: Math.PI*2,
//                    };
//                }
if(isNaN(this._current.startAngle)){this._current.startAngle=0;}if(isNaN(this._current.endAngle)){this._current.endAngle=this._current.startAngle;}interpolate=d3$$1.interpolate(this._current,updated);this._current=interpolate(0);return function(t){var interpolated=interpolate(t);interpolated.data=d.data;// data.id will be updated by interporator
return $$.getArc(interpolated,true);};}).attr("transform",withTransform?"scale(1)":"").style("fill",function(d){return $$.levelColor?$$.levelColor(d.data.values[0].value):$$.color(d.data.id);})// Where gauge reading color would receive customization.
.style("opacity",1).call($$.endall,function(){$$.transiting=false;});mainArc.exit().transition().duration(durationForExit).style('opacity',0).remove();main.selectAll('.'+CLASS.chartArc).select('text').style("opacity",0).attr('class',function(d){return $$.isGaugeType(d.data)?CLASS.gaugeValue:'';}).text($$.textForArcLabel.bind($$)).attr("transform",$$.transformForArcLabel.bind($$)).style('font-size',function(d){return $$.isGaugeType(d.data)?Math.round($$.radius/5)+'px':'';}).transition().duration(duration).style("opacity",function(d){return $$.isTargetToShow(d.data.id)&&$$.isArcType(d.data)?1:0;});main.select('.'+CLASS.chartArcsTitle).style("opacity",$$.hasType('donut')||$$.hasType('gauge')?1:0);if($$.hasType('gauge')){$$.arcs.select('.'+CLASS.chartArcsBackground).attr("d",function(){var d={data:[{value:config.gauge_max}],startAngle:config.gauge_startingAngle,endAngle:-1*config.gauge_startingAngle};return $$.getArc(d,true,true);});$$.arcs.select('.'+CLASS.chartArcsGaugeUnit).attr("dy",".75em").text(config.gauge_label_show?config.gauge_units:'');$$.arcs.select('.'+CLASS.chartArcsGaugeMin).attr("dx",-1*($$.innerRadius+($$.radius-$$.innerRadius)/(config.gauge_fullCircle?1:2))+"px").attr("dy","1.2em").text(config.gauge_label_show?config.gauge_min:'');$$.arcs.select('.'+CLASS.chartArcsGaugeMax).attr("dx",$$.innerRadius+($$.radius-$$.innerRadius)/(config.gauge_fullCircle?1:2)+"px").attr("dy","1.2em").text(config.gauge_label_show?config.gauge_max:'');}};c3_chart_internal_fn.initGauge=function(){var arcs=this.arcs;if(this.hasType('gauge')){arcs.append('path').attr("class",CLASS.chartArcsBackground);arcs.append("text").attr("class",CLASS.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none");arcs.append("text").attr("class",CLASS.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none");arcs.append("text").attr("class",CLASS.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none");}};c3_chart_internal_fn.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0;};c3_chart_internal_fn.initRegion=function(){var $$=this;$$.region=$$.main.append('g').attr("clip-path",$$.clipPath).attr("class",CLASS.regions);};c3_chart_internal_fn.updateRegion=function(duration){var $$=this,config=$$.config;// hide if arc type
$$.region.style('visibility',$$.hasArcType()?'hidden':'visible');$$.mainRegion=$$.main.select('.'+CLASS.regions).selectAll('.'+CLASS.region).data(config.regions);$$.mainRegion.enter().append('g').append('rect').style("fill-opacity",0);$$.mainRegion.attr('class',$$.classRegion.bind($$));$$.mainRegion.exit().transition().duration(duration).style("opacity",0).remove();};c3_chart_internal_fn.redrawRegion=function(withTransition){var $$=this,regions=$$.mainRegion.selectAll('rect').each(function(){// data is binded to g and it's not transferred to rect (child node) automatically,
// then data of each rect has to be updated manually.
// TODO: there should be more efficient way to solve this?
var parentData=$$.d3.select(this.parentNode).datum();$$.d3.select(this).datum(parentData);}),x=$$.regionX.bind($$),y=$$.regionY.bind($$),w=$$.regionWidth.bind($$),h=$$.regionHeight.bind($$);return[(withTransition?regions.transition():regions).attr("x",x).attr("y",y).attr("width",w).attr("height",h).style("fill-opacity",function(d){return isValue(d.opacity)?d.opacity:0.1;})];};c3_chart_internal_fn.regionX=function(d){var $$=this,config=$$.config,xPos,yScale=d.axis==='y'?$$.y:$$.y2;if(d.axis==='y'||d.axis==='y2'){xPos=config.axis_rotated?'start'in d?yScale(d.start):0:0;}else{xPos=config.axis_rotated?0:'start'in d?$$.x($$.isTimeSeries()?$$.parseDate(d.start):d.start):0;}return xPos;};c3_chart_internal_fn.regionY=function(d){var $$=this,config=$$.config,yPos,yScale=d.axis==='y'?$$.y:$$.y2;if(d.axis==='y'||d.axis==='y2'){yPos=config.axis_rotated?0:'end'in d?yScale(d.end):0;}else{yPos=config.axis_rotated?'start'in d?$$.x($$.isTimeSeries()?$$.parseDate(d.start):d.start):0:0;}return yPos;};c3_chart_internal_fn.regionWidth=function(d){var $$=this,config=$$.config,start=$$.regionX(d),end,yScale=d.axis==='y'?$$.y:$$.y2;if(d.axis==='y'||d.axis==='y2'){end=config.axis_rotated?'end'in d?yScale(d.end):$$.width:$$.width;}else{end=config.axis_rotated?$$.width:'end'in d?$$.x($$.isTimeSeries()?$$.parseDate(d.end):d.end):$$.width;}return end<start?0:end-start;};c3_chart_internal_fn.regionHeight=function(d){var $$=this,config=$$.config,start=this.regionY(d),end,yScale=d.axis==='y'?$$.y:$$.y2;if(d.axis==='y'||d.axis==='y2'){end=config.axis_rotated?$$.height:'start'in d?yScale(d.start):$$.height;}else{end=config.axis_rotated?'end'in d?$$.x($$.isTimeSeries()?$$.parseDate(d.end):d.end):$$.height:$$.height;}return end<start?0:end-start;};c3_chart_internal_fn.isRegionOnX=function(d){return!d.axis||d.axis==='x';};c3_chart_internal_fn.drag=function(mouse){var $$=this,config=$$.config,main=$$.main,d3$$1=$$.d3;var sx,sy,mx,my,minX,maxX,minY,maxY;if($$.hasArcType()){return;}if(!config.data_selection_enabled){return;}// do nothing if not selectable
if(config.zoom_enabled&&!$$.zoom.altDomain){return;}// skip if zoomable because of conflict drag dehavior
if(!config.data_selection_multiple){return;}// skip when single selection because drag is used for multiple selection
sx=$$.dragStart[0];sy=$$.dragStart[1];mx=mouse[0];my=mouse[1];minX=Math.min(sx,mx);maxX=Math.max(sx,mx);minY=config.data_selection_grouped?$$.margin.top:Math.min(sy,my);maxY=config.data_selection_grouped?$$.height:Math.max(sy,my);main.select('.'+CLASS.dragarea).attr('x',minX).attr('y',minY).attr('width',maxX-minX).attr('height',maxY-minY);// TODO: binary search when multiple xs
main.selectAll('.'+CLASS.shapes).selectAll('.'+CLASS.shape).filter(function(d){return config.data_selection_isselectable(d);}).each(function(d,i){var shape=d3$$1.select(this),isSelected=shape.classed(CLASS.SELECTED),isIncluded=shape.classed(CLASS.INCLUDED),_x,_y,_w,_h,toggle,isWithin=false,box;if(shape.classed(CLASS.circle)){_x=shape.attr("cx")*1;_y=shape.attr("cy")*1;toggle=$$.togglePoint;isWithin=minX<_x&&_x<maxX&&minY<_y&&_y<maxY;}else if(shape.classed(CLASS.bar)){box=getPathBox(this);_x=box.x;_y=box.y;_w=box.width;_h=box.height;toggle=$$.togglePath;isWithin=!(maxX<_x||_x+_w<minX)&&!(maxY<_y||_y+_h<minY);}else{// line/area selection not supported yet
return;}if(isWithin^isIncluded){shape.classed(CLASS.INCLUDED,!isIncluded);// TODO: included/unincluded callback here
shape.classed(CLASS.SELECTED,!isSelected);toggle.call($$,!isSelected,shape,d,i);}});};c3_chart_internal_fn.dragstart=function(mouse){var $$=this,config=$$.config;if($$.hasArcType()){return;}if(!config.data_selection_enabled){return;}// do nothing if not selectable
$$.dragStart=mouse;$$.main.select('.'+CLASS.chart).append('rect').attr('class',CLASS.dragarea).style('opacity',0.1);$$.dragging=true;};c3_chart_internal_fn.dragend=function(){var $$=this,config=$$.config;if($$.hasArcType()){return;}if(!config.data_selection_enabled){return;}// do nothing if not selectable
$$.main.select('.'+CLASS.dragarea).transition().duration(100).style('opacity',0).remove();$$.main.selectAll('.'+CLASS.shape).classed(CLASS.INCLUDED,false);$$.dragging=false;};c3_chart_internal_fn.selectPoint=function(target,d,i){var $$=this,config=$$.config,cx=(config.axis_rotated?$$.circleY:$$.circleX).bind($$),cy=(config.axis_rotated?$$.circleX:$$.circleY).bind($$),r=$$.pointSelectR.bind($$);config.data_onselected.call($$.api,d,target.node());// add selected-circle on low layer g
$$.main.select('.'+CLASS.selectedCircles+$$.getTargetSelectorSuffix(d.id)).selectAll('.'+CLASS.selectedCircle+'-'+i).data([d]).enter().append('circle').attr("class",function(){return $$.generateClass(CLASS.selectedCircle,i);}).attr("cx",cx).attr("cy",cy).attr("stroke",function(){return $$.color(d);}).attr("r",function(d){return $$.pointSelectR(d)*1.4;}).transition().duration(100).attr("r",r);};c3_chart_internal_fn.unselectPoint=function(target,d,i){var $$=this;$$.config.data_onunselected.call($$.api,d,target.node());// remove selected-circle from low layer g
$$.main.select('.'+CLASS.selectedCircles+$$.getTargetSelectorSuffix(d.id)).selectAll('.'+CLASS.selectedCircle+'-'+i).transition().duration(100).attr('r',0).remove();};c3_chart_internal_fn.togglePoint=function(selected,target,d,i){selected?this.selectPoint(target,d,i):this.unselectPoint(target,d,i);};c3_chart_internal_fn.selectPath=function(target,d){var $$=this;$$.config.data_onselected.call($$,d,target.node());if($$.config.interaction_brighten){target.transition().duration(100).style("fill",function(){return $$.d3.rgb($$.color(d)).brighter(0.75);});}};c3_chart_internal_fn.unselectPath=function(target,d){var $$=this;$$.config.data_onunselected.call($$,d,target.node());if($$.config.interaction_brighten){target.transition().duration(100).style("fill",function(){return $$.color(d);});}};c3_chart_internal_fn.togglePath=function(selected,target,d,i){selected?this.selectPath(target,d,i):this.unselectPath(target,d,i);};c3_chart_internal_fn.getToggle=function(that,d){var $$=this,toggle;if(that.nodeName==='circle'){if($$.isStepType(d)){// circle is hidden in step chart, so treat as within the click area
toggle=function toggle(){};// TODO: how to select step chart?
}else{toggle=$$.togglePoint;}}else if(that.nodeName==='path'){toggle=$$.togglePath;}return toggle;};c3_chart_internal_fn.toggleShape=function(that,d,i){var $$=this,d3$$1=$$.d3,config=$$.config,shape=d3$$1.select(that),isSelected=shape.classed(CLASS.SELECTED),toggle=$$.getToggle(that,d).bind($$);if(config.data_selection_enabled&&config.data_selection_isselectable(d)){if(!config.data_selection_multiple){$$.main.selectAll('.'+CLASS.shapes+(config.data_selection_grouped?$$.getTargetSelectorSuffix(d.id):"")).selectAll('.'+CLASS.shape).each(function(d,i){var shape=d3$$1.select(this);if(shape.classed(CLASS.SELECTED)){toggle(false,shape.classed(CLASS.SELECTED,false),d,i);}});}shape.classed(CLASS.SELECTED,!isSelected);toggle(!isSelected,shape,d,i);}};c3_chart_internal_fn.initBrush=function(){var $$=this,d3$$1=$$.d3;$$.brush=d3$$1.svg.brush().on("brush",function(){$$.redrawForBrush();});$$.brush.update=function(){if($$.context){$$.context.select('.'+CLASS.brush).call(this);}return this;};$$.brush.scale=function(scale){return $$.config.axis_rotated?this.y(scale):this.x(scale);};};c3_chart_internal_fn.initSubchart=function(){var $$=this,config=$$.config,context=$$.context=$$.svg.append("g").attr("transform",$$.getTranslate('context')),visibility=config.subchart_show?'visible':'hidden';context.style('visibility',visibility);// Define g for chart area
context.append('g').attr("clip-path",$$.clipPathForSubchart).attr('class',CLASS.chart);// Define g for bar chart area
context.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartBars);// Define g for line chart area
context.select('.'+CLASS.chart).append("g").attr("class",CLASS.chartLines);// Add extent rect for Brush
context.append("g").attr("clip-path",$$.clipPath).attr("class",CLASS.brush).call($$.brush);// ATTENTION: This must be called AFTER chart added
// Add Axis
$$.axes.subx=context.append("g").attr("class",CLASS.axisX).attr("transform",$$.getTranslate('subx')).attr("clip-path",config.axis_rotated?"":$$.clipPathForXAxis).style("visibility",config.subchart_axis_x_show?visibility:'hidden');};c3_chart_internal_fn.updateTargetsForSubchart=function(targets){var $$=this,context=$$.context,config=$$.config,contextLineEnter,contextLineUpdate,contextBarEnter,contextBarUpdate,classChartBar=$$.classChartBar.bind($$),classBars=$$.classBars.bind($$),classChartLine=$$.classChartLine.bind($$),classLines=$$.classLines.bind($$),classAreas=$$.classAreas.bind($$);if(config.subchart_show){//-- Bar --//
contextBarUpdate=context.select('.'+CLASS.chartBars).selectAll('.'+CLASS.chartBar).data(targets).attr('class',classChartBar);contextBarEnter=contextBarUpdate.enter().append('g').style('opacity',0).attr('class',classChartBar);// Bars for each data
contextBarEnter.append('g').attr("class",classBars);//-- Line --//
contextLineUpdate=context.select('.'+CLASS.chartLines).selectAll('.'+CLASS.chartLine).data(targets).attr('class',classChartLine);contextLineEnter=contextLineUpdate.enter().append('g').style('opacity',0).attr('class',classChartLine);// Lines for each data
contextLineEnter.append("g").attr("class",classLines);// Area
contextLineEnter.append("g").attr("class",classAreas);//-- Brush --//
context.selectAll('.'+CLASS.brush+' rect').attr(config.axis_rotated?"width":"height",config.axis_rotated?$$.width2:$$.height2);}};c3_chart_internal_fn.updateBarForSubchart=function(durationForExit){var $$=this;$$.contextBar=$$.context.selectAll('.'+CLASS.bars).selectAll('.'+CLASS.bar).data($$.barData.bind($$));$$.contextBar.enter().append('path').attr("class",$$.classBar.bind($$)).style("stroke",'none').style("fill",$$.color);$$.contextBar.style("opacity",$$.initialOpacity.bind($$));$$.contextBar.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawBarForSubchart=function(drawBarOnSub,withTransition,duration){(withTransition?this.contextBar.transition(Math.random().toString()).duration(duration):this.contextBar).attr('d',drawBarOnSub).style('opacity',1);};c3_chart_internal_fn.updateLineForSubchart=function(durationForExit){var $$=this;$$.contextLine=$$.context.selectAll('.'+CLASS.lines).selectAll('.'+CLASS.line).data($$.lineData.bind($$));$$.contextLine.enter().append('path').attr('class',$$.classLine.bind($$)).style('stroke',$$.color);$$.contextLine.style("opacity",$$.initialOpacity.bind($$));$$.contextLine.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawLineForSubchart=function(drawLineOnSub,withTransition,duration){(withTransition?this.contextLine.transition(Math.random().toString()).duration(duration):this.contextLine).attr("d",drawLineOnSub).style('opacity',1);};c3_chart_internal_fn.updateAreaForSubchart=function(durationForExit){var $$=this,d3$$1=$$.d3;$$.contextArea=$$.context.selectAll('.'+CLASS.areas).selectAll('.'+CLASS.area).data($$.lineData.bind($$));$$.contextArea.enter().append('path').attr("class",$$.classArea.bind($$)).style("fill",$$.color).style("opacity",function(){$$.orgAreaOpacity=+d3$$1.select(this).style('opacity');return 0;});$$.contextArea.style("opacity",0);$$.contextArea.exit().transition().duration(durationForExit).style('opacity',0).remove();};c3_chart_internal_fn.redrawAreaForSubchart=function(drawAreaOnSub,withTransition,duration){(withTransition?this.contextArea.transition(Math.random().toString()).duration(duration):this.contextArea).attr("d",drawAreaOnSub).style("fill",this.color).style("opacity",this.orgAreaOpacity);};c3_chart_internal_fn.redrawSubchart=function(withSubchart,transitions,duration,durationForExit,areaIndices,barIndices,lineIndices){var $$=this,d3$$1=$$.d3,config=$$.config,drawAreaOnSub,drawBarOnSub,drawLineOnSub;$$.context.style('visibility',config.subchart_show?'visible':'hidden');// subchart
if(config.subchart_show){// reflect main chart to extent on subchart if zoomed
if(d3$$1.event&&d3$$1.event.type==='zoom'){$$.brush.extent($$.x.orgDomain()).update();}// update subchart elements if needed
if(withSubchart){// extent rect
if(!$$.brush.empty()){$$.brush.extent($$.x.orgDomain()).update();}// setup drawer - MEMO: this must be called after axis updated
drawAreaOnSub=$$.generateDrawArea(areaIndices,true);drawBarOnSub=$$.generateDrawBar(barIndices,true);drawLineOnSub=$$.generateDrawLine(lineIndices,true);$$.updateBarForSubchart(duration);$$.updateLineForSubchart(duration);$$.updateAreaForSubchart(duration);$$.redrawBarForSubchart(drawBarOnSub,duration,duration);$$.redrawLineForSubchart(drawLineOnSub,duration,duration);$$.redrawAreaForSubchart(drawAreaOnSub,duration,duration);}}};c3_chart_internal_fn.redrawForBrush=function(){var $$=this,x=$$.x;$$.redraw({withTransition:false,withY:$$.config.zoom_rescale,withSubchart:false,withUpdateXDomain:true,withDimension:false});$$.config.subchart_onbrush.call($$.api,x.orgDomain());};c3_chart_internal_fn.transformContext=function(withTransition,transitions){var $$=this,subXAxis;if(transitions&&transitions.axisSubX){subXAxis=transitions.axisSubX;}else{subXAxis=$$.context.select('.'+CLASS.axisX);if(withTransition){subXAxis=subXAxis.transition();}}$$.context.attr("transform",$$.getTranslate('context'));subXAxis.attr("transform",$$.getTranslate('subx'));};c3_chart_internal_fn.getDefaultExtent=function(){var $$=this,config=$$.config,extent=isFunction(config.axis_x_extent)?config.axis_x_extent($$.getXDomain($$.data.targets)):config.axis_x_extent;if($$.isTimeSeries()){extent=[$$.parseDate(extent[0]),$$.parseDate(extent[1])];}return extent;};c3_chart_internal_fn.initZoom=function(){var $$=this,d3$$1=$$.d3,config=$$.config,startEvent;$$.zoom=d3$$1.behavior.zoom().on("zoomstart",function(){startEvent=d3$$1.event.sourceEvent;$$.zoom.altDomain=d3$$1.event.sourceEvent.altKey?$$.x.orgDomain():null;config.zoom_onzoomstart.call($$.api,d3$$1.event.sourceEvent);}).on("zoom",function(){$$.redrawForZoom.call($$);}).on('zoomend',function(){var event=d3$$1.event.sourceEvent;// if click, do nothing. otherwise, click interaction will be canceled.
if(event&&startEvent.clientX===event.clientX&&startEvent.clientY===event.clientY){return;}$$.redrawEventRect();$$.updateZoom();config.zoom_onzoomend.call($$.api,$$.x.orgDomain());});$$.zoom.scale=function(scale){return config.axis_rotated?this.y(scale):this.x(scale);};$$.zoom.orgScaleExtent=function(){var extent=config.zoom_extent?config.zoom_extent:[1,10];return[extent[0],Math.max($$.getMaxDataCount()/extent[1],extent[1])];};$$.zoom.updateScaleExtent=function(){var ratio=diffDomain($$.x.orgDomain())/diffDomain($$.getZoomDomain()),extent=this.orgScaleExtent();this.scaleExtent([extent[0]*ratio,extent[1]*ratio]);return this;};};c3_chart_internal_fn.getZoomDomain=function(){var $$=this,config=$$.config,d3$$1=$$.d3,min=d3$$1.min([$$.orgXDomain[0],config.zoom_x_min]),max=d3$$1.max([$$.orgXDomain[1],config.zoom_x_max]);return[min,max];};c3_chart_internal_fn.updateZoom=function(){var $$=this,z=$$.config.zoom_enabled?$$.zoom:function(){};$$.main.select('.'+CLASS.zoomRect).call(z).on("dblclick.zoom",null);$$.main.selectAll('.'+CLASS.eventRect).call(z).on("dblclick.zoom",null);};c3_chart_internal_fn.redrawForZoom=function(){var $$=this,d3$$1=$$.d3,config=$$.config,zoom=$$.zoom,x=$$.x;if(!config.zoom_enabled){return;}if($$.filterTargetsToShow($$.data.targets).length===0){return;}if(d3$$1.event.sourceEvent.type==='mousemove'&&zoom.altDomain){x.domain(zoom.altDomain);zoom.scale(x).updateScaleExtent();return;}if($$.isCategorized()&&x.orgDomain()[0]===$$.orgXDomain[0]){x.domain([$$.orgXDomain[0]-1e-10,x.orgDomain()[1]]);}$$.redraw({withTransition:false,withY:config.zoom_rescale,withSubchart:false,withEventRect:false,withDimension:false});if(d3$$1.event.sourceEvent.type==='mousemove'){$$.cancelClick=true;}config.zoom_onzoom.call($$.api,x.orgDomain());};c3_chart_internal_fn.generateColor=function(){var $$=this,config=$$.config,d3$$1=$$.d3,colors=config.data_colors,pattern=notEmpty(config.color_pattern)?config.color_pattern:d3$$1.scale.category10().range(),callback=config.data_color,ids=[];return function(d){var id=d.id||d.data&&d.data.id||d,color;// if callback function is provided
if(colors[id]instanceof Function){color=colors[id](d);}// if specified, choose that color
else if(colors[id]){color=colors[id];}// if not specified, choose from pattern
else{if(ids.indexOf(id)<0){ids.push(id);}color=pattern[ids.indexOf(id)%pattern.length];colors[id]=color;}return callback instanceof Function?callback(color,d):color;};};c3_chart_internal_fn.generateLevelColor=function(){var $$=this,config=$$.config,colors=config.color_pattern,threshold=config.color_threshold,asValue=threshold.unit==='value',values=threshold.values&&threshold.values.length?threshold.values:[],max=threshold.max||100;return notEmpty(config.color_threshold)?function(value){var i,v,color=colors[colors.length-1];for(i=0;i<values.length;i++){v=asValue?value:value*100/max;if(v<values[i]){color=colors[i];break;}}return color;}:null;};c3_chart_internal_fn.getYFormat=function(forArc){var $$=this,formatForY=forArc&&!$$.hasType('gauge')?$$.defaultArcValueFormat:$$.yFormat,formatForY2=forArc&&!$$.hasType('gauge')?$$.defaultArcValueFormat:$$.y2Format;return function(v,ratio,id){var format=$$.axis.getId(id)==='y2'?formatForY2:formatForY;return format.call($$,v,ratio);};};c3_chart_internal_fn.yFormat=function(v){var $$=this,config=$$.config,format=config.axis_y_tick_format?config.axis_y_tick_format:$$.defaultValueFormat;return format(v);};c3_chart_internal_fn.y2Format=function(v){var $$=this,config=$$.config,format=config.axis_y2_tick_format?config.axis_y2_tick_format:$$.defaultValueFormat;return format(v);};c3_chart_internal_fn.defaultValueFormat=function(v){return isValue(v)?+v:"";};c3_chart_internal_fn.defaultArcValueFormat=function(v,ratio){return(ratio*100).toFixed(1)+'%';};c3_chart_internal_fn.dataLabelFormat=function(targetId){var $$=this,data_labels=$$.config.data_labels,format,defaultFormat=function defaultFormat(v){return isValue(v)?+v:"";};// find format according to axis id
if(typeof data_labels.format==='function'){format=data_labels.format;}else if(_typeof(data_labels.format)==='object'){if(data_labels.format[targetId]){format=data_labels.format[targetId]===true?defaultFormat:data_labels.format[targetId];}else{format=function format(){return'';};}}else{format=defaultFormat;}return format;};c3_chart_internal_fn.hasCaches=function(ids){for(var i=0;i<ids.length;i++){if(!(ids[i]in this.cache)){return false;}}return true;};c3_chart_internal_fn.addCache=function(id,target){this.cache[id]=this.cloneTarget(target);};c3_chart_internal_fn.getCaches=function(ids){var targets=[],i;for(i=0;i<ids.length;i++){if(ids[i]in this.cache){targets.push(this.cloneTarget(this.cache[ids[i]]));}}return targets;};var CLASS=c3_chart_internal_fn.CLASS={target:'c3-target',chart:'c3-chart',chartLine:'c3-chart-line',chartLines:'c3-chart-lines',chartBar:'c3-chart-bar',chartBars:'c3-chart-bars',chartText:'c3-chart-text',chartTexts:'c3-chart-texts',chartArc:'c3-chart-arc',chartArcs:'c3-chart-arcs',chartArcsTitle:'c3-chart-arcs-title',chartArcsBackground:'c3-chart-arcs-background',chartArcsGaugeUnit:'c3-chart-arcs-gauge-unit',chartArcsGaugeMax:'c3-chart-arcs-gauge-max',chartArcsGaugeMin:'c3-chart-arcs-gauge-min',selectedCircle:'c3-selected-circle',selectedCircles:'c3-selected-circles',eventRect:'c3-event-rect',eventRects:'c3-event-rects',eventRectsSingle:'c3-event-rects-single',eventRectsMultiple:'c3-event-rects-multiple',zoomRect:'c3-zoom-rect',brush:'c3-brush',focused:'c3-focused',defocused:'c3-defocused',region:'c3-region',regions:'c3-regions',title:'c3-title',tooltipContainer:'c3-tooltip-container',tooltip:'c3-tooltip',tooltipName:'c3-tooltip-name',shape:'c3-shape',shapes:'c3-shapes',line:'c3-line',lines:'c3-lines',bar:'c3-bar',bars:'c3-bars',circle:'c3-circle',circles:'c3-circles',arc:'c3-arc',arcs:'c3-arcs',area:'c3-area',areas:'c3-areas',empty:'c3-empty',text:'c3-text',texts:'c3-texts',gaugeValue:'c3-gauge-value',grid:'c3-grid',gridLines:'c3-grid-lines',xgrid:'c3-xgrid',xgrids:'c3-xgrids',xgridLine:'c3-xgrid-line',xgridLines:'c3-xgrid-lines',xgridFocus:'c3-xgrid-focus',ygrid:'c3-ygrid',ygrids:'c3-ygrids',ygridLine:'c3-ygrid-line',ygridLines:'c3-ygrid-lines',axis:'c3-axis',axisX:'c3-axis-x',axisXLabel:'c3-axis-x-label',axisY:'c3-axis-y',axisYLabel:'c3-axis-y-label',axisY2:'c3-axis-y2',axisY2Label:'c3-axis-y2-label',legendBackground:'c3-legend-background',legendItem:'c3-legend-item',legendItemEvent:'c3-legend-item-event',legendItemTile:'c3-legend-item-tile',legendItemHidden:'c3-legend-item-hidden',legendItemFocused:'c3-legend-item-focused',dragarea:'c3-dragarea',EXPANDED:'_expanded_',SELECTED:'_selected_',INCLUDED:'_included_'};c3_chart_internal_fn.generateClass=function(prefix,targetId){return" "+prefix+" "+prefix+this.getTargetSelectorSuffix(targetId);};c3_chart_internal_fn.classText=function(d){return this.generateClass(CLASS.text,d.index);};c3_chart_internal_fn.classTexts=function(d){return this.generateClass(CLASS.texts,d.id);};c3_chart_internal_fn.classShape=function(d){return this.generateClass(CLASS.shape,d.index);};c3_chart_internal_fn.classShapes=function(d){return this.generateClass(CLASS.shapes,d.id);};c3_chart_internal_fn.classLine=function(d){return this.classShape(d)+this.generateClass(CLASS.line,d.id);};c3_chart_internal_fn.classLines=function(d){return this.classShapes(d)+this.generateClass(CLASS.lines,d.id);};c3_chart_internal_fn.classCircle=function(d){return this.classShape(d)+this.generateClass(CLASS.circle,d.index);};c3_chart_internal_fn.classCircles=function(d){return this.classShapes(d)+this.generateClass(CLASS.circles,d.id);};c3_chart_internal_fn.classBar=function(d){return this.classShape(d)+this.generateClass(CLASS.bar,d.index);};c3_chart_internal_fn.classBars=function(d){return this.classShapes(d)+this.generateClass(CLASS.bars,d.id);};c3_chart_internal_fn.classArc=function(d){return this.classShape(d.data)+this.generateClass(CLASS.arc,d.data.id);};c3_chart_internal_fn.classArcs=function(d){return this.classShapes(d.data)+this.generateClass(CLASS.arcs,d.data.id);};c3_chart_internal_fn.classArea=function(d){return this.classShape(d)+this.generateClass(CLASS.area,d.id);};c3_chart_internal_fn.classAreas=function(d){return this.classShapes(d)+this.generateClass(CLASS.areas,d.id);};c3_chart_internal_fn.classRegion=function(d,i){return this.generateClass(CLASS.region,i)+' '+('class'in d?d['class']:'');};c3_chart_internal_fn.classEvent=function(d){return this.generateClass(CLASS.eventRect,d.index);};c3_chart_internal_fn.classTarget=function(id){var $$=this;var additionalClassSuffix=$$.config.data_classes[id],additionalClass='';if(additionalClassSuffix){additionalClass=' '+CLASS.target+'-'+additionalClassSuffix;}return $$.generateClass(CLASS.target,id)+additionalClass;};c3_chart_internal_fn.classFocus=function(d){return this.classFocused(d)+this.classDefocused(d);};c3_chart_internal_fn.classFocused=function(d){return' '+(this.focusedTargetIds.indexOf(d.id)>=0?CLASS.focused:'');};c3_chart_internal_fn.classDefocused=function(d){return' '+(this.defocusedTargetIds.indexOf(d.id)>=0?CLASS.defocused:'');};c3_chart_internal_fn.classChartText=function(d){return CLASS.chartText+this.classTarget(d.id);};c3_chart_internal_fn.classChartLine=function(d){return CLASS.chartLine+this.classTarget(d.id);};c3_chart_internal_fn.classChartBar=function(d){return CLASS.chartBar+this.classTarget(d.id);};c3_chart_internal_fn.classChartArc=function(d){return CLASS.chartArc+this.classTarget(d.data.id);};c3_chart_internal_fn.getTargetSelectorSuffix=function(targetId){return targetId||targetId===0?('-'+targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g,'-'):'';};c3_chart_internal_fn.selectorTarget=function(id,prefix){return(prefix||'')+'.'+CLASS.target+this.getTargetSelectorSuffix(id);};c3_chart_internal_fn.selectorTargets=function(ids,prefix){var $$=this;ids=ids||[];return ids.length?ids.map(function(id){return $$.selectorTarget(id,prefix);}):null;};c3_chart_internal_fn.selectorLegend=function(id){return'.'+CLASS.legendItem+this.getTargetSelectorSuffix(id);};c3_chart_internal_fn.selectorLegends=function(ids){var $$=this;return ids&&ids.length?ids.map(function(id){return $$.selectorLegend(id);}):null;};var isValue=c3_chart_internal_fn.isValue=function(v){return v||v===0;}; var isFunction=c3_chart_internal_fn.isFunction=function(o){return typeof o==='function';}; var isString=c3_chart_internal_fn.isString=function(o){return typeof o==='string';}; var isUndefined=c3_chart_internal_fn.isUndefined=function(v){return typeof v==='undefined';}; var isDefined=c3_chart_internal_fn.isDefined=function(v){return typeof v!=='undefined';}; var ceil10=c3_chart_internal_fn.ceil10=function(v){return Math.ceil(v/10)*10;}; var asHalfPixel=c3_chart_internal_fn.asHalfPixel=function(n){return Math.ceil(n)+0.5;}; var diffDomain=c3_chart_internal_fn.diffDomain=function(d){return d[1]-d[0];}; var isEmpty=c3_chart_internal_fn.isEmpty=function(o){return typeof o==='undefined'||o===null||isString(o)&&o.length===0||(typeof o==='undefined'?'undefined':_typeof(o))==='object'&&Object.keys(o).length===0;}; var notEmpty=c3_chart_internal_fn.notEmpty=function(o){return!c3_chart_internal_fn.isEmpty(o);}; var getOption=c3_chart_internal_fn.getOption=function(options,key,defaultValue){return isDefined(options[key])?options[key]:defaultValue;}; var hasValue=c3_chart_internal_fn.hasValue=function(dict,value){var found=false;Object.keys(dict).forEach(function(key){if(dict[key]===value){found=true;}});return found;}; var sanitise=c3_chart_internal_fn.sanitise=function(str){return typeof str==='string'?str.replace(/</g,'&lt;').replace(/>/g,'&gt;'):str;}; var getPathBox=c3_chart_internal_fn.getPathBox=function(path){var box=path.getBoundingClientRect(),items=[path.pathSegList.getItem(0),path.pathSegList.getItem(1)],minX=items[0].x,minY=Math.min(items[0].y,items[1].y);return{x:minX,y:minY,width:box.width,height:box.height};};c3_chart_internal_fn.transformTo=function(targetIds,type,optionsForRedraw){var $$=this,withTransitionForAxis=!$$.hasArcType(),options=optionsForRedraw||{withTransitionForAxis:withTransitionForAxis};options.withTransitionForTransform=false;$$.transiting=false;$$.setTargetType(targetIds,type);$$.updateTargets($$.data.targets);// this is needed when transforming to arc
$$.updateAndRedraw(options);};c3_chart_internal_fn.generateFlow=function(args){var $$=this,config=$$.config,d3$$1=$$.d3;return function(){var targets=args.targets,flow=args.flow,drawBar=args.drawBar,drawLine=args.drawLine,drawArea=args.drawArea,cx=args.cx,cy=args.cy,xv=args.xv,xForText=args.xForText,yForText=args.yForText,duration=args.duration;var translateX,scaleX=1,transform,flowIndex=flow.index,flowLength=flow.length,flowStart=$$.getValueOnIndex($$.data.targets[0].values,flowIndex),flowEnd=$$.getValueOnIndex($$.data.targets[0].values,flowIndex+flowLength),orgDomain=$$.x.domain(),domain,durationForFlow=flow.duration||duration,done=flow.done||function(){},wait=$$.generateWait();var xgrid=$$.xgrid||d3$$1.selectAll([]),xgridLines=$$.xgridLines||d3$$1.selectAll([]),mainRegion=$$.mainRegion||d3$$1.selectAll([]),mainText=$$.mainText||d3$$1.selectAll([]),mainBar=$$.mainBar||d3$$1.selectAll([]),mainLine=$$.mainLine||d3$$1.selectAll([]),mainArea=$$.mainArea||d3$$1.selectAll([]),mainCircle=$$.mainCircle||d3$$1.selectAll([]);// set flag
$$.flowing=true;// remove head data after rendered
$$.data.targets.forEach(function(d){d.values.splice(0,flowLength);});// update x domain to generate axis elements for flow
domain=$$.updateXDomain(targets,true,true);// update elements related to x scale
if($$.updateXGrid){$$.updateXGrid(true);}// generate transform to flow
if(!flow.orgDataCount){// if empty
if($$.data.targets[0].values.length!==1){translateX=$$.x(orgDomain[0])-$$.x(domain[0]);}else{if($$.isTimeSeries()){flowStart=$$.getValueOnIndex($$.data.targets[0].values,0);flowEnd=$$.getValueOnIndex($$.data.targets[0].values,$$.data.targets[0].values.length-1);translateX=$$.x(flowStart.x)-$$.x(flowEnd.x);}else{translateX=diffDomain(domain)/2;}}}else if(flow.orgDataCount===1||(flowStart&&flowStart.x)===(flowEnd&&flowEnd.x)){translateX=$$.x(orgDomain[0])-$$.x(domain[0]);}else{if($$.isTimeSeries()){translateX=$$.x(orgDomain[0])-$$.x(domain[0]);}else{translateX=$$.x(flowStart.x)-$$.x(flowEnd.x);}}scaleX=diffDomain(orgDomain)/diffDomain(domain);transform='translate('+translateX+',0) scale('+scaleX+',1)';$$.hideXGridFocus();d3$$1.transition().ease('linear').duration(durationForFlow).each(function(){wait.add($$.axes.x.transition().call($$.xAxis));wait.add(mainBar.transition().attr('transform',transform));wait.add(mainLine.transition().attr('transform',transform));wait.add(mainArea.transition().attr('transform',transform));wait.add(mainCircle.transition().attr('transform',transform));wait.add(mainText.transition().attr('transform',transform));wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform',transform));wait.add(xgrid.transition().attr('transform',transform));wait.add(xgridLines.transition().attr('transform',transform));}).call(wait,function(){var i,shapes=[],texts=[],eventRects=[];// remove flowed elements
if(flowLength){for(i=0;i<flowLength;i++){shapes.push('.'+CLASS.shape+'-'+(flowIndex+i));texts.push('.'+CLASS.text+'-'+(flowIndex+i));eventRects.push('.'+CLASS.eventRect+'-'+(flowIndex+i));}$$.svg.selectAll('.'+CLASS.shapes).selectAll(shapes).remove();$$.svg.selectAll('.'+CLASS.texts).selectAll(texts).remove();$$.svg.selectAll('.'+CLASS.eventRects).selectAll(eventRects).remove();$$.svg.select('.'+CLASS.xgrid).remove();}// draw again for removing flowed elements and reverting attr
xgrid.attr('transform',null).attr($$.xgridAttr);xgridLines.attr('transform',null);xgridLines.select('line').attr("x1",config.axis_rotated?0:xv).attr("x2",config.axis_rotated?$$.width:xv);xgridLines.select('text').attr("x",config.axis_rotated?$$.width:0).attr("y",xv);mainBar.attr('transform',null).attr("d",drawBar);mainLine.attr('transform',null).attr("d",drawLine);mainArea.attr('transform',null).attr("d",drawArea);mainCircle.attr('transform',null).attr("cx",cx).attr("cy",cy);mainText.attr('transform',null).attr('x',xForText).attr('y',yForText).style('fill-opacity',$$.opacityForText.bind($$));mainRegion.attr('transform',null);mainRegion.select('rect').filter($$.isRegionOnX).attr("x",$$.regionX.bind($$)).attr("width",$$.regionWidth.bind($$));if(config.interaction_enabled){$$.redrawEventRect();}// callback for end of flow
done();$$.flowing=false;});};};c3_chart_internal_fn.isSafari=function(){var ua=window.navigator.userAgent;return ua.indexOf('Safari')>=0&&ua.indexOf('Chrome')<0;};c3_chart_internal_fn.isChrome=function(){var ua=window.navigator.userAgent;return ua.indexOf('Chrome')>=0;};

var c3_chart_fn;

function Chart(config) {
    var $$ = this.internal = new ChartInternal(this);
    $$.loadConfig(config);

    $$.beforeInit(config);
    $$.init();
    $$.afterInit(config);

    // bind "this" to nested API
    (function bindThis(fn, target, argThis) {
        Object.keys(fn).forEach(function (key) {
            target[key] = fn[key].bind(argThis);
            if (Object.keys(fn[key]).length > 0) {
                bindThis(fn[key], target[key], argThis);
            }
        });
    })(c3_chart_fn, this, this);
}

c3_chart_fn = Chart.prototype;

c3_chart_fn.focus = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), this.revert();
    this.defocus();
    candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
    if ($$.hasArcType()) {
        $$.expandArc(targetIds);
    }
    $$.toggleFocusLegend(targetIds, true);

    $$.focusedTargetIds = targetIds;
    $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
};

c3_chart_fn.defocus = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
    if ($$.hasArcType()) {
        $$.unexpandArc(targetIds);
    }
    $$.toggleFocusLegend(targetIds, false);

    $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
        return targetIds.indexOf(id) < 0;
    });
    $$.defocusedTargetIds = targetIds;
};

c3_chart_fn.revert = function (targetIds) {
    var $$ = this.internal,
        candidates;

    targetIds = $$.mapToTargetIds(targetIds);
    candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets

    candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
    if ($$.hasArcType()) {
        $$.unexpandArc(targetIds);
    }
    if ($$.config.legend_show) {
        $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
        $$.legend.selectAll($$.selectorLegends(targetIds)).filter(function () {
            return $$.d3.select(this).classed(CLASS.legendItemFocused);
        }).classed(CLASS.legendItemFocused, false);
    }

    $$.focusedTargetIds = [];
    $$.defocusedTargetIds = [];
};

c3_chart_fn.show = function (targetIds, options) {
    var $$ = this.internal,
        targets;

    targetIds = $$.mapToTargetIds(targetIds);
    options = options || {};

    $$.removeHiddenTargetIds(targetIds);
    targets = $$.svg.selectAll($$.selectorTargets(targetIds));

    targets.transition().style('opacity', 1, 'important').call($$.endall, function () {
        targets.style('opacity', null).style('opacity', 1);
    });

    if (options.withLegend) {
        $$.showLegend(targetIds);
    }

    $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
};

c3_chart_fn.hide = function (targetIds, options) {
    var $$ = this.internal,
        targets;

    targetIds = $$.mapToTargetIds(targetIds);
    options = options || {};

    $$.addHiddenTargetIds(targetIds);
    targets = $$.svg.selectAll($$.selectorTargets(targetIds));

    targets.transition().style('opacity', 0, 'important').call($$.endall, function () {
        targets.style('opacity', null).style('opacity', 0);
    });

    if (options.withLegend) {
        $$.hideLegend(targetIds);
    }

    $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
};

c3_chart_fn.toggle = function (targetIds, options) {
    var that = this,
        $$ = this.internal;
    $$.mapToTargetIds(targetIds).forEach(function (targetId) {
        $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
    });
};

c3_chart_fn.zoom = function (domain) {
    var $$ = this.internal;
    if (domain) {
        if ($$.isTimeSeries()) {
            domain = domain.map(function (x) {
                return $$.parseDate(x);
            });
        }
        $$.brush.extent(domain);
        $$.redraw({ withUpdateXDomain: true, withY: $$.config.zoom_rescale });
        $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
    }
    return $$.brush.extent();
};
c3_chart_fn.zoom.enable = function (enabled) {
    var $$ = this.internal;
    $$.config.zoom_enabled = enabled;
    $$.updateAndRedraw();
};
c3_chart_fn.unzoom = function () {
    var $$ = this.internal;
    $$.brush.clear().update();
    $$.redraw({ withUpdateXDomain: true });
};

c3_chart_fn.zoom.max = function (max) {
    var $$ = this.internal,
        config = $$.config,
        d3$$1 = $$.d3;
    if (max === 0 || max) {
        config.zoom_x_max = d3$$1.max([$$.orgXDomain[1], max]);
    } else {
        return config.zoom_x_max;
    }
};

c3_chart_fn.zoom.min = function (min) {
    var $$ = this.internal,
        config = $$.config,
        d3$$1 = $$.d3;
    if (min === 0 || min) {
        config.zoom_x_min = d3$$1.min([$$.orgXDomain[0], min]);
    } else {
        return config.zoom_x_min;
    }
};

c3_chart_fn.zoom.range = function (range) {
    if (arguments.length) {
        if (isDefined(range.max)) {
            this.domain.max(range.max);
        }
        if (isDefined(range.min)) {
            this.domain.min(range.min);
        }
    } else {
        return {
            max: this.domain.max(),
            min: this.domain.min()
        };
    }
};

c3_chart_fn.load = function (args) {
    var $$ = this.internal,
        config = $$.config;
    // update xs if specified
    if (args.xs) {
        $$.addXs(args.xs);
    }
    // update names if exists
    if ('names' in args) {
        c3_chart_fn.data.names.bind(this)(args.names);
    }
    // update classes if exists
    if ('classes' in args) {
        Object.keys(args.classes).forEach(function (id) {
            config.data_classes[id] = args.classes[id];
        });
    }
    // update categories if exists
    if ('categories' in args && $$.isCategorized()) {
        config.axis_x_categories = args.categories;
    }
    // update axes if exists
    if ('axes' in args) {
        Object.keys(args.axes).forEach(function (id) {
            config.data_axes[id] = args.axes[id];
        });
    }
    // update colors if exists
    if ('colors' in args) {
        Object.keys(args.colors).forEach(function (id) {
            config.data_colors[id] = args.colors[id];
        });
    }
    // use cache if exists
    if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
        $$.load($$.getCaches(args.cacheIds), args.done);
        return;
    }
    // unload if needed
    if ('unload' in args) {
        // TODO: do not unload if target will load (included in url/rows/columns)
        $$.unload($$.mapToTargetIds(typeof args.unload === 'boolean' && args.unload ? null : args.unload), function () {
            $$.loadFromArgs(args);
        });
    } else {
        $$.loadFromArgs(args);
    }
};

c3_chart_fn.unload = function (args) {
    var $$ = this.internal;
    args = args || {};
    if (args instanceof Array) {
        args = { ids: args };
    } else if (typeof args === 'string') {
        args = { ids: [args] };
    }
    $$.unload($$.mapToTargetIds(args.ids), function () {
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true });
        if (args.done) {
            args.done();
        }
    });
};

c3_chart_fn.flow = function (args) {
    var $$ = this.internal,
        targets,
        data,
        notfoundIds = [],
        orgDataCount = $$.getMaxDataCount(),
        dataCount,
        domain,
        baseTarget,
        baseValue,
        length = 0,
        tail = 0,
        diff,
        to;

    if (args.json) {
        data = $$.convertJsonToData(args.json, args.keys);
    } else if (args.rows) {
        data = $$.convertRowsToData(args.rows);
    } else if (args.columns) {
        data = $$.convertColumnsToData(args.columns);
    } else {
        return;
    }
    targets = $$.convertDataToTargets(data, true);

    // Update/Add data
    $$.data.targets.forEach(function (t) {
        var found = false,
            i,
            j;
        for (i = 0; i < targets.length; i++) {
            if (t.id === targets[i].id) {
                found = true;

                if (t.values[t.values.length - 1]) {
                    tail = t.values[t.values.length - 1].index + 1;
                }
                length = targets[i].values.length;

                for (j = 0; j < length; j++) {
                    targets[i].values[j].index = tail + j;
                    if (!$$.isTimeSeries()) {
                        targets[i].values[j].x = tail + j;
                    }
                }
                t.values = t.values.concat(targets[i].values);

                targets.splice(i, 1);
                break;
            }
        }
        if (!found) {
            notfoundIds.push(t.id);
        }
    });

    // Append null for not found targets
    $$.data.targets.forEach(function (t) {
        var i, j;
        for (i = 0; i < notfoundIds.length; i++) {
            if (t.id === notfoundIds[i]) {
                tail = t.values[t.values.length - 1].index + 1;
                for (j = 0; j < length; j++) {
                    t.values.push({
                        id: t.id,
                        index: tail + j,
                        x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
                        value: null
                    });
                }
            }
        }
    });

    // Generate null values for new target
    if ($$.data.targets.length) {
        targets.forEach(function (t) {
            var i,
                missing = [];
            for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
                missing.push({
                    id: t.id,
                    index: i,
                    x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
                    value: null
                });
            }
            t.values.forEach(function (v) {
                v.index += tail;
                if (!$$.isTimeSeries()) {
                    v.x += tail;
                }
            });
            t.values = missing.concat(t.values);
        });
    }
    $$.data.targets = $$.data.targets.concat(targets); // add remained

    // check data count because behavior needs to change when it's only one
    dataCount = $$.getMaxDataCount();
    baseTarget = $$.data.targets[0];
    baseValue = baseTarget.values[0];

    // Update length to flow if needed
    if (isDefined(args.to)) {
        length = 0;
        to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
        baseTarget.values.forEach(function (v) {
            if (v.x < to) {
                length++;
            }
        });
    } else if (isDefined(args.length)) {
        length = args.length;
    }

    // If only one data, update the domain to flow from left edge of the chart
    if (!orgDataCount) {
        if ($$.isTimeSeries()) {
            if (baseTarget.values.length > 1) {
                diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
            } else {
                diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
            }
        } else {
            diff = 1;
        }
        domain = [baseValue.x - diff, baseValue.x];
        $$.updateXDomain(null, true, true, false, domain);
    } else if (orgDataCount === 1) {
        if ($$.isTimeSeries()) {
            diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
            domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
            $$.updateXDomain(null, true, true, false, domain);
        }
    }

    // Set targets
    $$.updateTargets($$.data.targets);

    // Redraw with new targets
    $$.redraw({
        flow: {
            index: baseValue.index,
            length: length,
            duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
            done: args.done,
            orgDataCount: orgDataCount
        },
        withLegend: true,
        withTransition: orgDataCount > 1,
        withTrimXDomain: false,
        withUpdateXAxis: true
    });
};

c3_chart_fn.selected = function (targetId) {
    var $$ = this.internal,
        d3$$1 = $$.d3;
    return d3$$1.merge($$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape).filter(function () {
        return d3$$1.select(this).classed(CLASS.SELECTED);
    }).map(function (d) {
        return d.map(function (d) {
            var data = d.__data__;return data.data ? data.data : data;
        });
    }));
};
c3_chart_fn.select = function (ids, indices, resetOther) {
    var $$ = this.internal,
        d3$$1 = $$.d3,
        config = $$.config;
    if (!config.data_selection_enabled) {
        return;
    }
    $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
        var shape = d3$$1.select(this),
            id = d.data ? d.data.id : d.id,
            toggle = $$.getToggle(this, d).bind($$),
            isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
            isTargetIndex = !indices || indices.indexOf(i) >= 0,
            isSelected = shape.classed(CLASS.SELECTED);
        // line/area selection not supported yet
        if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
            return;
        }
        if (isTargetId && isTargetIndex) {
            if (config.data_selection_isselectable(d) && !isSelected) {
                toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
            }
        } else if (isDefined(resetOther) && resetOther) {
            if (isSelected) {
                toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
            }
        }
    });
};
c3_chart_fn.unselect = function (ids, indices) {
    var $$ = this.internal,
        d3$$1 = $$.d3,
        config = $$.config;
    if (!config.data_selection_enabled) {
        return;
    }
    $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
        var shape = d3$$1.select(this),
            id = d.data ? d.data.id : d.id,
            toggle = $$.getToggle(this, d).bind($$),
            isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
            isTargetIndex = !indices || indices.indexOf(i) >= 0,
            isSelected = shape.classed(CLASS.SELECTED);
        // line/area selection not supported yet
        if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
            return;
        }
        if (isTargetId && isTargetIndex) {
            if (config.data_selection_isselectable(d)) {
                if (isSelected) {
                    toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
                }
            }
        }
    });
};

c3_chart_fn.transform = function (type, targetIds) {
    var $$ = this.internal,
        options = ['pie', 'donut'].indexOf(type) >= 0 ? { withTransform: true } : null;
    $$.transformTo(targetIds, type, options);
};

c3_chart_fn.groups = function (groups) {
    var $$ = this.internal,
        config = $$.config;
    if (isUndefined(groups)) {
        return config.data_groups;
    }
    config.data_groups = groups;
    $$.redraw();
    return config.data_groups;
};

c3_chart_fn.xgrids = function (grids) {
    var $$ = this.internal,
        config = $$.config;
    if (!grids) {
        return config.grid_x_lines;
    }
    config.grid_x_lines = grids;
    $$.redrawWithoutRescale();
    return config.grid_x_lines;
};
c3_chart_fn.xgrids.add = function (grids) {
    var $$ = this.internal;
    return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
};
c3_chart_fn.xgrids.remove = function (params) {
    // TODO: multiple
    var $$ = this.internal;
    $$.removeGridLines(params, true);
};

c3_chart_fn.ygrids = function (grids) {
    var $$ = this.internal,
        config = $$.config;
    if (!grids) {
        return config.grid_y_lines;
    }
    config.grid_y_lines = grids;
    $$.redrawWithoutRescale();
    return config.grid_y_lines;
};
c3_chart_fn.ygrids.add = function (grids) {
    var $$ = this.internal;
    return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
};
c3_chart_fn.ygrids.remove = function (params) {
    // TODO: multiple
    var $$ = this.internal;
    $$.removeGridLines(params, false);
};

c3_chart_fn.regions = function (regions) {
    var $$ = this.internal,
        config = $$.config;
    if (!regions) {
        return config.regions;
    }
    config.regions = regions;
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.add = function (regions) {
    var $$ = this.internal,
        config = $$.config;
    if (!regions) {
        return config.regions;
    }
    config.regions = config.regions.concat(regions);
    $$.redrawWithoutRescale();
    return config.regions;
};
c3_chart_fn.regions.remove = function (options) {
    var $$ = this.internal,
        config = $$.config,
        duration,
        classes,
        regions;

    options = options || {};
    duration = $$.getOption(options, "duration", config.transition_duration);
    classes = $$.getOption(options, "classes", [CLASS.region]);

    regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) {
        return '.' + c;
    }));
    (duration ? regions.transition().duration(duration) : regions).style('opacity', 0).remove();

    config.regions = config.regions.filter(function (region) {
        var found = false;
        if (!region['class']) {
            return true;
        }
        region['class'].split(' ').forEach(function (c) {
            if (classes.indexOf(c) >= 0) {
                found = true;
            }
        });
        return !found;
    });

    return config.regions;
};

c3_chart_fn.data = function (targetIds) {
    var targets = this.internal.data.targets;
    return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
        return [].concat(targetIds).indexOf(t.id) >= 0;
    });
};
c3_chart_fn.data.shown = function (targetIds) {
    return this.internal.filterTargetsToShow(this.data(targetIds));
};
c3_chart_fn.data.values = function (targetId) {
    var targets,
        values = null;
    if (targetId) {
        targets = this.data(targetId);
        values = targets[0] ? targets[0].values.map(function (d) {
            return d.value;
        }) : null;
    }
    return values;
};
c3_chart_fn.data.names = function (names) {
    this.internal.clearLegendItemTextBoxCache();
    return this.internal.updateDataAttributes('names', names);
};
c3_chart_fn.data.colors = function (colors) {
    return this.internal.updateDataAttributes('colors', colors);
};
c3_chart_fn.data.axes = function (axes) {
    return this.internal.updateDataAttributes('axes', axes);
};

c3_chart_fn.category = function (i, category) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length > 1) {
        config.axis_x_categories[i] = category;
        $$.redraw();
    }
    return config.axis_x_categories[i];
};
c3_chart_fn.categories = function (categories) {
    var $$ = this.internal,
        config = $$.config;
    if (!arguments.length) {
        return config.axis_x_categories;
    }
    config.axis_x_categories = categories;
    $$.redraw();
    return config.axis_x_categories;
};

// TODO: fix
c3_chart_fn.color = function (id) {
    var $$ = this.internal;
    return $$.color(id); // more patterns
};

c3_chart_fn.x = function (x) {
    var $$ = this.internal;
    if (arguments.length) {
        $$.updateTargetX($$.data.targets, x);
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    }
    return $$.data.xs;
};
c3_chart_fn.xs = function (xs) {
    var $$ = this.internal;
    if (arguments.length) {
        $$.updateTargetXs($$.data.targets, xs);
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    }
    return $$.data.xs;
};

c3_chart_fn.axis = function () {};
c3_chart_fn.axis.labels = function (labels) {
    var $$ = this.internal;
    if (arguments.length) {
        Object.keys(labels).forEach(function (axisId) {
            $$.axis.setLabelText(axisId, labels[axisId]);
        });
        $$.axis.updateLabels();
    }
    // TODO: return some values?
};
c3_chart_fn.axis.max = function (max) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length) {
        if ((typeof max === 'undefined' ? 'undefined' : _typeof(max)) === 'object') {
            if (isValue(max.x)) {
                config.axis_x_max = max.x;
            }
            if (isValue(max.y)) {
                config.axis_y_max = max.y;
            }
            if (isValue(max.y2)) {
                config.axis_y2_max = max.y2;
            }
        } else {
            config.axis_y_max = config.axis_y2_max = max;
        }
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    } else {
        return {
            x: config.axis_x_max,
            y: config.axis_y_max,
            y2: config.axis_y2_max
        };
    }
};
c3_chart_fn.axis.min = function (min) {
    var $$ = this.internal,
        config = $$.config;
    if (arguments.length) {
        if ((typeof min === 'undefined' ? 'undefined' : _typeof(min)) === 'object') {
            if (isValue(min.x)) {
                config.axis_x_min = min.x;
            }
            if (isValue(min.y)) {
                config.axis_y_min = min.y;
            }
            if (isValue(min.y2)) {
                config.axis_y2_min = min.y2;
            }
        } else {
            config.axis_y_min = config.axis_y2_min = min;
        }
        $$.redraw({ withUpdateOrgXDomain: true, withUpdateXDomain: true });
    } else {
        return {
            x: config.axis_x_min,
            y: config.axis_y_min,
            y2: config.axis_y2_min
        };
    }
};
c3_chart_fn.axis.range = function (range) {
    if (arguments.length) {
        if (isDefined(range.max)) {
            this.axis.max(range.max);
        }
        if (isDefined(range.min)) {
            this.axis.min(range.min);
        }
    } else {
        return {
            max: this.axis.max(),
            min: this.axis.min()
        };
    }
};

c3_chart_fn.legend = function () {};
c3_chart_fn.legend.show = function (targetIds) {
    var $$ = this.internal;
    $$.showLegend($$.mapToTargetIds(targetIds));
    $$.updateAndRedraw({ withLegend: true });
};
c3_chart_fn.legend.hide = function (targetIds) {
    var $$ = this.internal;
    $$.hideLegend($$.mapToTargetIds(targetIds));
    $$.updateAndRedraw({ withLegend: true });
};

c3_chart_fn.resize = function (size) {
    var $$ = this.internal,
        config = $$.config;
    config.size_width = size ? size.width : null;
    config.size_height = size ? size.height : null;
    this.flush();
};

c3_chart_fn.flush = function () {
    var $$ = this.internal;
    $$.updateAndRedraw({ withLegend: true, withTransition: false, withTransitionForTransform: false });
};

c3_chart_fn.destroy = function () {
    var $$ = this.internal;

    window.clearInterval($$.intervalForObserveInserted);

    if ($$.resizeTimeout !== undefined) {
        window.clearTimeout($$.resizeTimeout);
    }

    if (window.detachEvent) {
        window.detachEvent('onresize', $$.resizeFunction);
    } else if (window.removeEventListener) {
        window.removeEventListener('resize', $$.resizeFunction);
    } else {
        var wrapper = window.onresize;
        // check if no one else removed our wrapper and remove our resizeFunction from it
        if (wrapper && wrapper.add && wrapper.remove) {
            wrapper.remove($$.resizeFunction);
        }
    }

    $$.selectChart.classed('c3', false).html("");

    // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
    Object.keys($$).forEach(function (key) {
        $$[key] = null;
    });

    return null;
};

c3_chart_fn.tooltip = function () {};
c3_chart_fn.tooltip.show = function (args) {
    var $$ = this.internal,
        index,
        mouse;

    // determine mouse position on the chart
    if (args.mouse) {
        mouse = args.mouse;
    }

    // determine focus data
    if (args.data) {
        if ($$.isMultipleX()) {
            // if multiple xs, target point will be determined by mouse
            mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
            index = null;
        } else {
            // TODO: when tooltip_grouped = false
            index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
        }
    } else if (typeof args.x !== 'undefined') {
        index = $$.getIndexByX(args.x);
    } else if (typeof args.index !== 'undefined') {
        index = args.index;
    }

    // emulate mouse events to show
    $$.dispatchEvent('mouseover', index, mouse);
    $$.dispatchEvent('mousemove', index, mouse);

    $$.config.tooltip_onshow.call($$, args.data);
};
c3_chart_fn.tooltip.hide = function () {
    // TODO: get target data by checking the state of focus
    this.internal.dispatchEvent('mouseout', 0);

    this.internal.config.tooltip_onhide.call(this);
};

// This file is only the entry point for rollup
var version = "0.4.11";
var generate = function generate(config) {
    return new Chart(config);
};
var chart = {
    fn: Chart.prototype,
    internal: {
        fn: ChartInternal.prototype,
        axis: {
            fn: Axis.prototype
        }
    }
};

exports.version = version;
exports.generate = generate;
exports.chart = chart;

Object.defineProperty(exports, '__esModule', { value: true });

})));