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c3/c3.js

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(function (window) {
'use strict';
/*global define, module, exports, require */
var c3 = {
version: "0.2.3"
};
var 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',
region: 'c3-region',
regions: 'c3-regions',
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',
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_',
};
/*
* Generate chart according to config
*/
c3.generate = function (config) {
var d3 = window.d3 ? window.d3 : 'undefined' !== typeof require ? require("d3") : undefined;
var c3 = { data : {}, axis: {}, legend: {} },
cache = {};
/*-- Handle Config --*/
function checkConfig(key, message) {
if (! (key in config)) { throw Error(message); }
}
function getConfig(keys, defaultValue) {
var target = config, i, isLast, nextTarget;
for (i = 0; i < keys.length; i++) {
// return default if key not found
if (typeof target === 'object' && !(keys[i] in target)) { return defaultValue; }
// Check next key's value
isLast = (i === keys.length - 1);
nextTarget = target[keys[i]];
if (!isLast && typeof nextTarget !== 'object') {
return defaultValue;
}
target = nextTarget;
}
return target;
}
// bindto - id to bind the chart
var __bindto = getConfig(['bindto'], '#chart');
var __size_width = getConfig(['size', 'width']),
__size_height = getConfig(['size', 'height']);
var __padding_left = getConfig(['padding', 'left']),
__padding_right = getConfig(['padding', 'right']),
__padding_top = getConfig(['padding', 'top']),
__padding_bottom = getConfig(['padding', 'bottom']);
var __zoom_enabled = getConfig(['zoom', 'enabled'], false),
__zoom_extent = getConfig(['zoom', 'extent']),
__zoom_privileged = getConfig(['zoom', 'privileged'], false);
var __interaction_enabled = getConfig(['interaction', 'enabled'], true);
var __onmouseover = getConfig(['onmouseover'], function () {}),
__onmouseout = getConfig(['onmouseout'], function () {}),
__onresize = getConfig(['onresize'], function () {}),
__onresized = getConfig(['onresized'], function () {});
var __transition_duration = getConfig(['transition', 'duration'], 350);
// data - data configuration
checkConfig('data', 'data is required in config');
var __data_x = getConfig(['data', 'x']),
__data_xs = getConfig(['data', 'xs'], {}),
__data_x_format = getConfig(['data', 'x_format'], '%Y-%m-%d'),
__data_id_converter = getConfig(['data', 'id_converter'], function (id) { return id; }),
__data_names = getConfig(['data', 'names'], {}),
__data_classes = getConfig(['data', 'classes'], {}),
__data_groups = getConfig(['data', 'groups'], []),
__data_axes = getConfig(['data', 'axes'], {}),
__data_type = getConfig(['data', 'type']),
__data_types = getConfig(['data', 'types'], {}),
__data_labels = getConfig(['data', 'labels'], {}),
__data_order = getConfig(['data', 'order']),
__data_regions = getConfig(['data', 'regions'], {}),
__data_color = getConfig(['data', 'color']),
__data_colors = getConfig(['data', 'colors'], {}),
__data_hide = getConfig(['data', 'hide'], false),
__data_filter = getConfig(['data', 'filter']),
__data_selection_enabled = getConfig(['data', 'selection', 'enabled'], false),
__data_selection_grouped = getConfig(['data', 'selection', 'grouped'], false),
__data_selection_isselectable = getConfig(['data', 'selection', 'isselectable'], function () { return true; }),
__data_selection_multiple = getConfig(['data', 'selection', 'multiple'], true),
__data_onclick = getConfig(['data', 'onclick'], function () {}),
__data_onmouseover = getConfig(['data', 'onmouseover'], function () {}),
__data_onmouseout = getConfig(['data', 'onmouseout'], function () {}),
__data_onselected = getConfig(['data', 'onselected'], function () {}),
__data_onunselected = getConfig(['data', 'onunselected'], function () {}),
__data_ondragstart = getConfig(['data', 'ondragstart'], function () {}),
__data_ondragend = getConfig(['data', 'ondragend'], function () {});
// configuration for no plot-able data supplied.
var __data_empty_label_text = getConfig(['data', 'empty', 'label', 'text'], "");
// subchart
var __subchart_show = getConfig(['subchart', 'show'], false),
__subchart_size_height = getConfig(['subchart', 'size', 'height'], 60);
// color
var __color_pattern = getConfig(['color', 'pattern'], []),
__color_threshold = getConfig(['color', 'threshold'], {});
// legend
var __legend_show = getConfig(['legend', 'show'], true),
__legend_position = getConfig(['legend', 'position'], 'bottom'),
__legend_inset_anchor = getConfig(['legend', 'inset', 'anchor'], 'top-left'),
__legend_inset_x = getConfig(['legend', 'inset', 'x'], 10),
__legend_inset_y = getConfig(['legend', 'inset', 'y'], 0),
__legend_inset_step = getConfig(['legend', 'inset', 'step']),
__legend_item_onclick = getConfig(['legend', 'item', 'onclick']),
__legend_item_onmouseover = getConfig(['legend', 'item', 'onmouseover']),
__legend_item_onmouseout = getConfig(['legend', 'item', 'onmouseout']),
__legend_equally = getConfig(['legend', 'equally'], false);
// axis
var __axis_rotated = getConfig(['axis', 'rotated'], false),
__axis_x_show = getConfig(['axis', 'x', 'show'], true),
__axis_x_type = getConfig(['axis', 'x', 'type'], 'indexed'),
__axis_x_localtime = getConfig(['axis', 'x', 'localtime'], true),
__axis_x_categories = getConfig(['axis', 'x', 'categories'], []),
__axis_x_tick_centered = getConfig(['axis', 'x', 'tick', 'centered'], false),
__axis_x_tick_format = getConfig(['axis', 'x', 'tick', 'format']),
__axis_x_tick_culling = getConfig(['axis', 'x', 'tick', 'culling'], {}),
__axis_x_tick_culling_max = getConfig(['axis', 'x', 'tick', 'culling', 'max'], 10),
__axis_x_tick_count = getConfig(['axis', 'x', 'tick', 'count']),
__axis_x_tick_fit = getConfig(['axis', 'x', 'tick', 'fit'], true),
__axis_x_tick_values = getConfig(['axis', 'x', 'tick', 'values'], null),
__axis_x_tick_rotate = getConfig(['axis', 'x', 'tick', 'rotate']),
__axis_x_max = getConfig(['axis', 'x', 'max'], null),
__axis_x_min = getConfig(['axis', 'x', 'min'], null),
__axis_x_padding = getConfig(['axis', 'x', 'padding'], {}),
__axis_x_height = getConfig(['axis', 'x', 'height']),
__axis_x_default = getConfig(['axis', 'x', 'default']),
__axis_x_label = getConfig(['axis', 'x', 'label'], {}),
__axis_y_show = getConfig(['axis', 'y', 'show'], true),
__axis_y_max = getConfig(['axis', 'y', 'max']),
__axis_y_min = getConfig(['axis', 'y', 'min']),
__axis_y_center = getConfig(['axis', 'y', 'center']),
__axis_y_label = getConfig(['axis', 'y', 'label'], {}),
__axis_y_inner = getConfig(['axis', 'y', 'inner'], false),
__axis_y_tick_format = getConfig(['axis', 'y', 'tick', 'format']),
__axis_y_padding = getConfig(['axis', 'y', 'padding']),
__axis_y_ticks = getConfig(['axis', 'y', 'ticks'], 10),
__axis_y2_show = getConfig(['axis', 'y2', 'show'], false),
__axis_y2_max = getConfig(['axis', 'y2', 'max']),
__axis_y2_min = getConfig(['axis', 'y2', 'min']),
__axis_y2_center = getConfig(['axis', 'y2', 'center']),
__axis_y2_label = getConfig(['axis', 'y2', 'label'], {}),
__axis_y2_inner = getConfig(['axis', 'y2', 'inner'], false),
__axis_y2_tick_format = getConfig(['axis', 'y2', 'tick', 'format']),
__axis_y2_padding = getConfig(['axis', 'y2', 'padding']),
__axis_y2_ticks = getConfig(['axis', 'y2', 'ticks'], 10);
// grid
var __grid_x_show = getConfig(['grid', 'x', 'show'], false),
__grid_x_type = getConfig(['grid', 'x', 'type'], 'tick'),
__grid_x_lines = getConfig(['grid', 'x', 'lines'], []),
__grid_y_show = getConfig(['grid', 'y', 'show'], false),
// not used
// __grid_y_type = getConfig(['grid', 'y', 'type'], 'tick'),
__grid_y_lines = getConfig(['grid', 'y', 'lines'], []),
__grid_y_ticks = getConfig(['grid', 'y', 'ticks'], 10),
__grid_focus_show = getConfig(['grid', 'focus', 'show'], true);
// point - point of each data
var __point_show = getConfig(['point', 'show'], true),
__point_r = getConfig(['point', 'r'], 2.5),
__point_focus_expand_enabled = getConfig(['point', 'focus', 'expand', 'enabled'], true),
__point_focus_expand_r = getConfig(['point', 'focus', 'expand', 'r']),
__point_select_r = getConfig(['point', 'focus', 'select', 'r']);
var __line_connect_null = getConfig(['line', 'connect_null'], false);
// bar
var __bar_width = getConfig(['bar', 'width']),
__bar_width_ratio = getConfig(['bar', 'width', 'ratio'], 0.6);
// pie
var __pie_label_show = getConfig(['pie', 'label', 'show'], true),
__pie_label_format = getConfig(['pie', 'label', 'format']),
__pie_label_threshold = getConfig(['pie', 'label', 'threshold'], 0.05),
__pie_sort = getConfig(['pie', 'sort'], true),
__pie_expand = getConfig(['pie', 'expand'], true),
__pie_onclick = getConfig(['pie', 'onclick'], function () {}),
__pie_onmouseover = getConfig(['pie', 'onmouseover'], function () {}),
__pie_onmouseout = getConfig(['pie', 'onmouseout'], function () {});
// gauge
var __gauge_label_show = getConfig(['gauge', 'label', 'show'], true),
__gauge_label_format = getConfig(['gauge', 'label', 'format']),
__gauge_expand = getConfig(['gauge', 'expand'], true),
__gauge_min = getConfig(['gauge', 'min'], 0),
__gauge_max = getConfig(['gauge', 'max'], 100),
__gauge_onclick = getConfig(['gauge', 'onclick'], function () {}),
__gauge_onmouseover = getConfig(['gauge', 'onmouseover'], function () {}),
__gauge_onmouseout = getConfig(['gauge', 'onmouseout'], function () {}),
__gauge_units = getConfig(['gauge', 'units']),
__gauge_width = getConfig(['gauge', 'width']);
// donut
var __donut_label_show = getConfig(['donut', 'label', 'show'], true),
__donut_label_format = getConfig(['donut', 'label', 'format']),
__donut_label_threshold = getConfig(['donut', 'label', 'threshold'], 0.05),
__donut_sort = getConfig(['donut', 'sort'], true),
__donut_expand = getConfig(['donut', 'expand'], true),
__donut_title = getConfig(['donut', 'title'], ""),
__donut_onclick = getConfig(['donut', 'onclick'], function () {}),
__donut_onmouseover = getConfig(['donut', 'onmouseover'], function () {}),
__donut_onmouseout = getConfig(['donut', 'onmouseout'], function () {});
// region - region to change style
var __regions = getConfig(['regions'], []);
// tooltip - show when mouseover on each data
var __tooltip_show = getConfig(['tooltip', 'show'], true),
__tooltip_grouped = getConfig(['tooltip', 'grouped'], true),
__tooltip_format_title = getConfig(['tooltip', 'format', 'title']),
__tooltip_format_name = getConfig(['tooltip', 'format', 'name']),
__tooltip_format_value = getConfig(['tooltip', 'format', 'value']),
__tooltip_contents = getConfig(['tooltip', 'contents'], function (d, defaultTitleFormat, defaultValueFormat, color) {
var titleFormat = __tooltip_format_title ? __tooltip_format_title : defaultTitleFormat,
nameFormat = __tooltip_format_name ? __tooltip_format_name : function (name) { return name; },
valueFormat = __tooltip_format_value ? __tooltip_format_value : defaultValueFormat,
text, i, title, value, name, bgcolor;
for (i = 0; i < d.length; i++) {
if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }
if (! text) {
title = titleFormat ? titleFormat(d[i].x) : d[i].x;
text = "<table class='" + CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
}
name = nameFormat(d[i].name);
value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
bgcolor = levelColor ? levelColor(d[i].value) : color(d[i].id);
text += "<tr class='" + CLASS.tooltipName + "-" + 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>";
}),
__tooltip_init_show = getConfig(['tooltip', 'init', 'show'], false),
__tooltip_init_x = getConfig(['tooltip', 'init', 'x'], 0),
__tooltip_init_position = getConfig(['tooltip', 'init', 'position'], {top: '0px', left: '50px'});
/*-- Set Variables --*/
// MEMO: clipId needs to be unique because it conflicts when multiple charts exist
var clipId = "c3-" + (+new Date()) + '-clip',
clipIdForXAxis = clipId + '-xaxis',
clipIdForYAxis = clipId + '-yaxis',
clipPath = getClipPath(clipId),
clipPathForXAxis = getClipPath(clipIdForXAxis),
clipPathForYAxis = getClipPath(clipIdForYAxis);
var isTimeSeries = (__axis_x_type === 'timeseries'),
isCategorized = (__axis_x_type.indexOf('categor') >= 0),
isCustomX = function () { return !isTimeSeries && (__data_x || notEmpty(__data_xs)); };
var dragStart = null, dragging = false, cancelClick = false, mouseover = false, transiting = false;
var defaultColorPattern = d3.scale.category10().range(),
color = generateColor(__data_colors, notEmpty(__color_pattern) ? __color_pattern : defaultColorPattern, __data_color),
levelColor = notEmpty(__color_threshold) ? generateLevelColor(__color_pattern, __color_threshold) : null;
var timeFormat = __axis_x_localtime ? d3.time.format : d3.time.format.utc,
defaultTimeFormat = timeFormat.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; }]
]);
var hiddenTargetIds = [], hiddenLegendIds = [];
/*-- Set Chart Params --*/
var margin, margin2, margin3, width, width2, height, height2, currentWidth, currentHeight;
var radius, radiusExpanded, innerRadius, arcWidth, arcHeight, svgArc, svgArcExpanded, svgArcExpandedSub, pie;
var xMin, xMax, yMin, yMax, subXMin, subXMax, subYMin, subYMax;
var x, y, y2, subX, subY, subY2, xAxis, yAxis, y2Axis, subXAxis;
var axes = {};
var xOrient = __axis_rotated ? "left" : "bottom",
yOrient = __axis_rotated ? (__axis_y_inner ? "top" : "bottom") : (__axis_y_inner ? "right" : "left"),
y2Orient = __axis_rotated ? (__axis_y2_inner ? "bottom" : "top") : (__axis_y2_inner ? "left" : "right"),
subXOrient = __axis_rotated ? "left" : "bottom";
var translate = {
main : function () { return "translate(" + asHalfPixel(margin.left) + "," + asHalfPixel(margin.top) + ")"; },
context : function () { return "translate(" + asHalfPixel(margin2.left) + "," + asHalfPixel(margin2.top) + ")"; },
legend : function () { return "translate(" + margin3.left + "," + margin3.top + ")"; },
x : function () { return "translate(0," + (__axis_rotated ? 0 : height) + ")"; },
y : function () { return "translate(0," + (__axis_rotated ? height : 0) + ")"; },
y2 : function () { return "translate(" + (__axis_rotated ? 0 : width) + "," + (__axis_rotated ? 1 : 0) + ")"; },
subx : function () { return "translate(0," + (__axis_rotated ? 0 : height2) + ")"; },
arc: function () { return "translate(" + (arcWidth / 2) + "," + (arcHeight / 2) + ")"; }
};
var isLegendRight = __legend_position === 'right';
var isLegendInset = __legend_position === 'inset';
var isLegendTop = __legend_inset_anchor === 'top-left' || __legend_inset_anchor === 'top-right';
var isLegendLeft = __legend_inset_anchor === 'top-left' || __legend_inset_anchor === 'bottom-left';
var legendStep = 0, legendItemWidth = 0, legendItemHeight = 0, legendOpacityForHidden = 0.15;
var currentMaxTickWidth = 0;
/*-- Define Functions --*/
function getClipPath(id) {
var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
}
function asHalfPixel(n) {
return Math.ceil(n) + 0.5;
}
function transformMain(withTransition, transitions) {
var 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", translate.main);
xAxis.attr("transform", translate.x);
yAxis.attr("transform", translate.y);
y2Axis.attr("transform", translate.y2);
main.select('.' + CLASS.chartArcs).attr("transform", translate.arc);
}
function transformContext(withTransition, transitions) {
var subXAxis;
if (transitions && transitions.axisSubX) {
subXAxis = transitions.axisSubX;
} else {
subXAxis = context.select('.' + CLASS.axisX);
if (withTransition) { subXAxis = subXAxis.transition(); }
}
context.attr("transform", translate.context);
subXAxis.attr("transform", translate.subx);
}
function transformLegend(withTransition) {
(withTransition ? legend.transition() : legend).attr("transform", translate.legend);
}
function transformAll(withTransition, transitions) {
transformMain(withTransition, transitions);
if (__subchart_show) { transformContext(withTransition, transitions); }
transformLegend(withTransition);
}
//-- Sizes --//
// TODO: configurabale
var rotated_padding_left = 30, rotated_padding_right = __axis_rotated && !__axis_x_show ? 0 : 30, rotated_padding_top = 5;
// MEMO: each value should be int to avoid disabling antialiasing
function updateSizes() {
var legendHeight = getLegendHeight(), legendWidth = getLegendWidth(),
legendHeightForBottom = isLegendRight || isLegendInset ? 0 : legendHeight,
hasArc = hasArcType(c3.data.targets),
xAxisHeight = __axis_rotated || hasArc ? 0 : getHorizontalAxisHeight('x'),
subchartHeight = __subchart_show && !hasArc ? (__subchart_size_height + xAxisHeight) : 0;
currentWidth = getCurrentWidth();
currentHeight = getCurrentHeight();
// for main, context
if (__axis_rotated) {
margin = {
top: getHorizontalAxisHeight('y2') + getCurrentPaddingTop(),
right: hasArc ? 0 : getCurrentPaddingRight(),
bottom: getHorizontalAxisHeight('y') + legendHeightForBottom + getCurrentPaddingBottom(),
left: subchartHeight + (hasArc ? 0 : getCurrentPaddingLeft())
};
margin2 = {
top: margin.top,
right: NaN,
bottom: 20 + legendHeightForBottom,
left: rotated_padding_left
};
} else {
margin = {
top: 4 + getCurrentPaddingTop(), // for top tick text
right: hasArc ? 0 : getCurrentPaddingRight(),
bottom: xAxisHeight + subchartHeight + legendHeightForBottom + getCurrentPaddingBottom(),
left: hasArc ? 0 : getCurrentPaddingLeft()
};
margin2 = {
top: currentHeight - subchartHeight - legendHeightForBottom,
right: NaN,
bottom: xAxisHeight + legendHeightForBottom,
left: margin.left
};
}
// for legend
var insetLegendPosition = {
top: isLegendTop ? getCurrentPaddingTop() + __legend_inset_y + 5.5 : currentHeight - legendHeight - getCurrentPaddingBottom() - __legend_inset_y,
left: isLegendLeft ? getCurrentPaddingLeft() + __legend_inset_x + 0.5 : currentWidth - legendWidth - getCurrentPaddingRight() - __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
};
width = currentWidth - margin.left - margin.right;
height = currentHeight - margin.top - margin.bottom;
if (width < 0) { width = 0; }
if (height < 0) { height = 0; }
width2 = __axis_rotated ? margin.left - rotated_padding_left - rotated_padding_right : width;
height2 = __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);
updateRadius();
if (isLegendRight && hasArc) {
margin3.left = arcWidth / 2 + radiusExpanded * 1.1;
}
}
function updateXgridFocus() {
main.select('line.' + CLASS.xgridFocus)
.attr("x1", __axis_rotated ? 0 : -10)
.attr("x2", __axis_rotated ? width : -10)
.attr("y1", __axis_rotated ? -10 : margin.top)
.attr("y2", __axis_rotated ? -10 : height);
}
function updateRadius() {
var innerRadiusRatio;
radiusExpanded = Math.min(arcWidth, arcHeight) / 2;
radius = radiusExpanded * 0.95;
innerRadiusRatio = __gauge_width ? (radius - __gauge_width) / radius : 0.6;
innerRadius = hasDonutType(c3.data.targets) || hasGaugeType(c3.data.targets) ? radius * innerRadiusRatio : 0;
}
function getSvgLeft() {
var leftAxisClass = __axis_rotated ? CLASS.axisX : CLASS.axisY,
leftAxis = main.select('.' + leftAxisClass).node(),
svgRect = leftAxis ? leftAxis.getBoundingClientRect() : {right: 0},
chartRect = selectChart.node().getBoundingClientRect(),
hasArc = hasArcType(c3.data.targets),
svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : getCurrentPaddingLeft());
return svgLeft > 0 ? svgLeft : 0;
}
function getCurrentWidth() {
return __size_width ? __size_width : getParentWidth();
}
function getCurrentHeight() {
var h = __size_height ? __size_height : getParentHeight();
return h > 0 ? h : 320;
}
function getCurrentPaddingTop() {
return __padding_top ? __padding_top : 0;
}
function getCurrentPaddingBottom() {
return __padding_bottom ? __padding_bottom : 0;
}
function getCurrentPaddingLeft() {
if (__padding_left) {
return __padding_left;
} else if (__axis_rotated) {
return !__axis_x_show ? 1 : Math.max(ceil10(getAxisWidthByAxisId('x')), 40);
} else {
return !__axis_y_show || __axis_y_inner ? 1 : ceil10(getAxisWidthByAxisId('y'));
}
}
function getCurrentPaddingRight() {
var defaultPadding = 10, legendWidthOnRight = isLegendRight ? getLegendWidth() + 20 : 0;
if (__padding_right) {
return __padding_right;
} else if (__axis_rotated) {
return defaultPadding + legendWidthOnRight;
} else {
return (!__axis_y2_show || __axis_y2_inner ? defaultPadding : ceil10(getAxisWidthByAxisId('y2'))) + legendWidthOnRight;
}
}
function getAxisWidthByAxisId(id) {
var position = getAxisLabelPositionById(id);
return position.isInner ? 20 + getMaxTickWidth(id) : 40 + getMaxTickWidth(id);
}
function getHorizontalAxisHeight(axisId) {
if (axisId === 'x' && !__axis_x_show) { return 0; }
if (axisId === 'x' && __axis_x_height) { return __axis_x_height; }
if (axisId === 'y' && !__axis_y_show) { return __legend_show && !isLegendRight && !isLegendInset ? 10 : 1; }
if (axisId === 'y2' && !__axis_y2_show) { return rotated_padding_top; }
return (getAxisLabelPositionById(axisId).isInner ? 30 : 40) + (axisId === 'y2' ? -10 : 0);
}
function getParentRectValue(key) {
var parent = selectChart.node(), v;
while (parent && parent.tagName !== 'BODY') {
v = parent.getBoundingClientRect()[key];
if (v) {
break;
}
parent = parent.parentNode;
}
return v;
}
function getParentWidth() {
return getParentRectValue('width');
}
function getParentHeight() {
var h = selectChart.style('height');
return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
}
function getAxisClipX(forHorizontal) {
// axis line width + padding for left
return forHorizontal ? -(1 + 30) : -(margin.left - 1);
}
function getAxisClipY(forHorizontal) {
return forHorizontal ? -20 : -4;
}
function getXAxisClipX() {
return getAxisClipX(!__axis_rotated);
}
function getXAxisClipY() {
return getAxisClipY(!__axis_rotated);
}
function getYAxisClipX() {
return getAxisClipX(__axis_rotated);
}
function getYAxisClipY() {
return getAxisClipY(__axis_rotated);
}
function getAxisClipWidth(forHorizontal) {
// width + axis line width + padding for left/right
return forHorizontal ? width + 2 + 30 + 30 : margin.left + 20;
}
function getAxisClipHeight(forHorizontal) {
return forHorizontal ? (__axis_x_height ? __axis_x_height : 0) + 80 : height + 8;
}
function getXAxisClipWidth() {
return getAxisClipWidth(!__axis_rotated);
}
function getXAxisClipHeight() {
return getAxisClipHeight(!__axis_rotated);
}
function getYAxisClipWidth() {
return getAxisClipWidth(__axis_rotated);
}
function getYAxisClipHeight() {
return getAxisClipHeight(__axis_rotated);
}
function getEventRectWidth() {
var target = getMaxDataCountTarget(c3.data.targets),
firstData, lastData, base, maxDataCount, ratio, w;
if (!target) {
return 0;
}
firstData = target.values[0], lastData = target.values[target.values.length - 1];
base = x(lastData.x) - x(firstData.x);
if (base === 0) {
return __axis_rotated ? height : width;
}
maxDataCount = getMaxDataCount();
ratio = (hasBarType(c3.data.targets) ? (maxDataCount - (isCategorized ? 0.25 : 1)) / maxDataCount : 1);
w = maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
return w < 1 ? 1 : w;
}
function updateLegendStep(step) {
legendStep = step;
}
function updateLegendItemWidth(w) {
legendItemWidth = w;
}
function updateLegendItemHeight(h) {
legendItemHeight = h;
}
function getLegendWidth() {
return __legend_show ? isLegendRight || isLegendInset ? legendItemWidth * (legendStep + 1) : currentWidth : 0;
}
function getLegendHeight() {
var h = 0;
if (__legend_show) {
if (isLegendRight) {
h = currentHeight;
} else if (isLegendInset) {
h = __legend_inset_step ? Math.max(20, legendItemHeight) * (__legend_inset_step + 1) : height;
} else {
h = Math.max(20, legendItemHeight) * (legendStep + 1);
}
}
return h;
}
//-- Scales --//
function updateScales() {
var xAxisTickFormat, xAxisTickValues, forInit = !x;
// update edges
xMin = __axis_rotated ? 1 : 0;
xMax = __axis_rotated ? height : width;
yMin = __axis_rotated ? 0 : height;
yMax = __axis_rotated ? width : 1;
subXMin = xMin;
subXMax = xMax;
subYMin = __axis_rotated ? 0 : height2;
subYMax = __axis_rotated ? width2 : 1;
// update scales
x = getX(xMin, xMax, forInit ? undefined : x.orgDomain(), function () { return xAxis.tickOffset(); });
y = getY(yMin, yMax, forInit ? undefined : y.domain());
y2 = getY(yMin, yMax, forInit ? undefined : y2.domain());
subX = getX(xMin, xMax, orgXDomain, function (d) { return d % 1 ? 0 : subXAxis.tickOffset(); });
subY = getY(subYMin, subYMax, forInit ? undefined : subY.domain());
subY2 = getY(subYMin, subYMax, forInit ? undefined : subY2.domain());
// update axes
xAxisTickFormat = getXAxisTickFormat();
xAxisTickValues = __axis_x_tick_values ? __axis_x_tick_values : (forInit ? undefined : xAxis.tickValues());
xAxis = getXAxis(x, xOrient, xAxisTickFormat, xAxisTickValues);
subXAxis = getXAxis(subX, subXOrient, xAxisTickFormat, xAxisTickValues);
yAxis = getYAxis(y, yOrient, __axis_y_tick_format, __axis_y_ticks);
y2Axis = getYAxis(y2, y2Orient, __axis_y2_tick_format, __axis_y2_ticks);
// Set initialized scales to brush and zoom
if (!forInit) {
brush.scale(subX);
if (__zoom_enabled) { zoom.scale(x); }
}
// update for arc
updateArc();
}
function updateArc() {
svgArc = getSvgArc();
svgArcExpanded = getSvgArcExpanded();
svgArcExpandedSub = getSvgArcExpanded(0.98);
}
function getScale(min, max, forTimeseries) {
return (forTimeseries ? d3.time.scale() : d3.scale.linear()).range([min, max]);
}
function getX(min, max, domain, offset) {
var 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 (d, raw) {
var v = _scale(d) + offset(d);
return raw ? v : Math.ceil(v);
};
} else {
scale = function (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;
}
function getY(min, max, domain) {
var scale = getScale(min, max);
if (domain) { scale.domain(domain); }
return scale;
}
function getYScale(id) {
return getAxisId(id) === 'y2' ? y2 : y;
}
function getSubYScale(id) {
return getAxisId(id) === 'y2' ? subY2 : subY;
}
//-- Axes --//
function getXAxis(scale, orient, tickFormat, tickValues) {
var axis = c3_axis(d3, isCategorized).scale(scale).orient(orient);
// Set tick
axis.tickFormat(tickFormat).tickValues(tickValues);
if (isCategorized) {
axis.tickCentered(__axis_x_tick_centered);
if (isEmpty(__axis_x_tick_culling)) {
__axis_x_tick_culling = false;
}
} else {
// TODO: move this to c3_axis
axis.tickOffset = function () {
var edgeX = getEdgeX(c3.data.targets), diff = x(edgeX[1]) - x(edgeX[0]),
base = diff ? diff : (__axis_rotated ? height : width);
return (base / getMaxDataCount()) / 2;
};
}
return axis;
}
function getYAxis(scale, orient, tickFormat, ticks) {
return c3_axis(d3).scale(scale).orient(orient).tickFormat(tickFormat).ticks(ticks);
}
function getAxisId(id) {
return id in __data_axes ? __data_axes[id] : 'y';
}
function getXAxisTickFormat() {
var format = isTimeSeries ? defaultTimeFormat : isCategorized ? categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; };
if (__axis_x_tick_format) {
if (typeof __axis_x_tick_format === 'function') {
format = __axis_x_tick_format;
} else if (isTimeSeries) {
format = function (date) {
return date ? timeFormat(__axis_x_tick_format)(date) : "";
};
}
}
return format;
}
function getAxisLabelOptionByAxisId(axisId) {
var option;
if (axisId === 'y') {
option = __axis_y_label;
} else if (axisId === 'y2') {
option = __axis_y2_label;
} else if (axisId === 'x') {
option = __axis_x_label;
}
return option;
}
function getAxisLabelText(axisId) {
var option = getAxisLabelOptionByAxisId(axisId);
return typeof option === 'string' ? option : option ? option.text : null;
}
function setAxisLabelText(axisId, text) {
var option = getAxisLabelOptionByAxisId(axisId);
if (typeof option === 'string') {
if (axisId === 'y') {
__axis_y_label = text;
} else if (axisId === 'y2') {
__axis_y2_label = text;
} else if (axisId === 'x') {
__axis_x_label = text;
}
} else if (option) {
option.text = text;
}
}
function xForRotatedTickText(r) {
return 10 * Math.sin(Math.PI * (r / 180));
}
function yForRotatedTickText(r) {
return 11.5 - 2.5 * (r / 15);
}
function rotateTickText(axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", "start");
transition.selectAll('.tick text')
.attr("y", yForRotatedTickText(rotate))
.attr("x", xForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")");
}
function getAxisLabelPosition(axisId, defaultPosition) {
var option = getAxisLabelOptionByAxisId(axisId),
position = (option && 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
};
}
function getXAxisLabelPosition() {
return getAxisLabelPosition('x', __axis_rotated ? 'inner-top' : 'inner-right');
}
function getYAxisLabelPosition() {
return getAxisLabelPosition('y', __axis_rotated ? 'inner-right' : 'inner-top');
}
function getY2AxisLabelPosition() {
return getAxisLabelPosition('y2', __axis_rotated ? 'inner-right' : 'inner-top');
}
function getAxisLabelPositionById(id) {
return id === 'y2' ? getY2AxisLabelPosition() : id === 'y' ? getYAxisLabelPosition() : getXAxisLabelPosition();
}
function textForXAxisLabel() {
return getAxisLabelText('x');
}
function textForYAxisLabel() {
return getAxisLabelText('y');
}
function textForY2AxisLabel() {
return getAxisLabelText('y2');
}
function xForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? width / 2 : width;
} else {
return position.isBottom ? -height : position.isMiddle ? -height / 2 : 0;
}
}
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";
}
}
function textAnchorForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
}
function xForXAxisLabel() {
return xForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function xForYAxisLabel() {
return xForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function xForY2AxisLabel() {
return xForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dxForXAxisLabel() {
return dxForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function dxForYAxisLabel() {
return dxForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function dxForY2AxisLabel() {
return dxForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dyForXAxisLabel() {
var position = getXAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : -25 - getMaxTickWidth('x');
} else {
return position.isInner ? "-0.5em" : __axis_x_height ? __axis_x_height - 10 : "3em";
}
}
function dyForYAxisLabel() {
var position = getYAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "-0.5em" : "3em";
} else {
return position.isInner ? "1.2em" : -20 - getMaxTickWidth('y');
}
}
function dyForY2AxisLabel() {
var position = getY2AxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : "-2.2em";
} else {
return position.isInner ? "-0.5em" : 30 + getMaxTickWidth('y2');
}
}
function textAnchorForXAxisLabel() {
return textAnchorForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function textAnchorForYAxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function textAnchorForY2AxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function getMaxTickWidth(id) {
var maxWidth = 0, targetsToShow, scale, axis;
if (svg) {
targetsToShow = filterTargetsToShow(c3.data.targets);
if (id === 'y') {
scale = y.copy().domain(getYDomain(targetsToShow, 'y'));
axis = getYAxis(scale, yOrient, __axis_y_tick_format, __axis_y_ticks);
} else if (id === 'y2') {
scale = y2.copy().domain(getYDomain(targetsToShow, 'y2'));
axis = getYAxis(scale, y2Orient, __axis_y2_tick_format, __axis_y2_ticks);
} else {
scale = x.copy().domain(getXDomain(targetsToShow));
axis = getXAxis(scale, xOrient, getXAxisTickFormat(), __axis_x_tick_values ? __axis_x_tick_values : xAxis.tickValues());
}
main.append("g").call(axis).each(function () {
d3.select(this).selectAll('text').each(function () {
var box = this.getBoundingClientRect();
if (maxWidth < box.width) { maxWidth = box.width; }
});
}).remove();
}
currentMaxTickWidth = maxWidth <= 0 ? currentMaxTickWidth : maxWidth;
return currentMaxTickWidth;
}
function updateAxisLabels(withTransition) {
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", xForXAxisLabel)
.attr("dx", dxForXAxisLabel)
.attr("dy", dyForXAxisLabel)
.text(textForXAxisLabel);
(withTransition ? axisYLabel.transition() : axisYLabel)
.attr("x", xForYAxisLabel)
.attr("dx", dxForYAxisLabel)
.attr("dy", dyForYAxisLabel)
.attr("dy", dyForYAxisLabel)
.text(textForYAxisLabel);
(withTransition ? axisY2Label.transition() : axisY2Label)
.attr("x", xForY2AxisLabel)
.attr("dx", dxForY2AxisLabel)
.attr("dy", dyForY2AxisLabel)
.text(textForY2AxisLabel);
}
//-- Arc --//
pie = d3.layout.pie().value(function (d) {
return d.values.reduce(function (a, b) { return a + b.value; }, 0);
});
if (!__pie_sort || !__donut_sort) { // TODO: this needs to be called by each type
pie.sort(null);
}
function updateAngle(d) {
var found = false;
pie(filterTargetsToShow(c3.data.targets)).forEach(function (t) {
if (! found && t.data.id === d.data.id) {
found = true;
d = t;
}
});
if (isNaN(d.endAngle)) {
d.endAngle = d.startAngle;
}
if (isGaugeType(d.data)) {
var gMin = __gauge_min, gMax = __gauge_max,
gF = Math.abs(gMin) + gMax,
aTic = (Math.PI) / gF;
d.startAngle = (-1 * (Math.PI / 2)) + (aTic * Math.abs(gMin));
d.endAngle = d.startAngle + (aTic * ((d.value > gMax) ? gMax : d.value));
}
return found ? d : null;
}
function getSvgArc() {
var arc = d3.svg.arc().outerRadius(radius).innerRadius(innerRadius),
newArc = function (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;
}
function getSvgArcExpanded(rate) {
var 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";
};
}
function getArc(d, withoutUpdate, force) {
return force || isArcType(d.data) ? svgArc(d, withoutUpdate) : "M 0 0";
}
function transformForArcLabel(d) {
var updated = updateAngle(d), c, x, y, h, ratio, translate = "";
if (updated && !hasGaugeType(c3.data.targets)) {
c = svgArc.centroid(updated);
x = isNaN(c[0]) ? 0 : c[0];
y = isNaN(c[1]) ? 0 : c[1];
h = Math.sqrt(x * x + y * y);
// TODO: ratio should be an option?
ratio = radius && h ? (36 / radius > 0.375 ? 1.175 - 36 / radius : 0.8) * radius / h : 0;
translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")";
}
return translate;
}
function getArcRatio(d) {
var whole = hasGaugeType(c3.data.targets) ? Math.PI : (Math.PI * 2);
return d ? (d.endAngle - d.startAngle) / whole : null;
}
function convertToArcData(d) {
return addName({
id: d.data.id,
value: d.value,
ratio: getArcRatio(d)
});
}
function textForArcLabel(d) {
var updated, value, ratio, format;
if (! shouldShowArcLabel()) { return ""; }
updated = updateAngle(d);
value = updated ? updated.value : null;
ratio = getArcRatio(updated);
if (! hasGaugeType(c3.data.targets) && ! meetsArcLabelThreshold(ratio)) { return ""; }
format = getArcLabelFormat();
return format ? format(value, ratio) : defaultArcValueFormat(value, ratio);
}
function expandArc(id, withoutFadeOut) {
var target = svg.selectAll('.' + CLASS.chartArc + selectorTarget(id)),
noneTargets = svg.selectAll('.' + CLASS.arc).filter(function (data) { return data.data.id !== id; });
if (shouldExpand(id)) {
target.selectAll('path')
.transition().duration(50)
.attr("d", svgArcExpanded)
.transition().duration(100)
.attr("d", svgArcExpandedSub)
.each(function (d) {
if (isDonutType(d.data)) {
// callback here
}
});
}
if (!withoutFadeOut) {
noneTargets.style("opacity", 0.3);
}
}
function unexpandArc(id) {
var target = svg.selectAll('.' + CLASS.chartArc + selectorTarget(id));
target.selectAll('path.' + CLASS.arc)
.transition().duration(50)
.attr("d", svgArc);
svg.selectAll('.' + CLASS.arc)
.style("opacity", 1);
}
function shouldShowArcLabel() {
var shouldShow = true;
if (hasDonutType(c3.data.targets)) {
shouldShow = __donut_label_show;
} else if (hasPieType(c3.data.targets)) {
shouldShow = __pie_label_show;
}
// when gauge, always true
return shouldShow;
}
function meetsArcLabelThreshold(ratio) {
var threshold = hasDonutType(c3.data.targets) ? __donut_label_threshold : __pie_label_threshold;
return ratio >= threshold;
}
function getArcLabelFormat() {
var format = __pie_label_format;
if (hasGaugeType(c3.data.targets)) {
format = __gauge_label_format;
} else if (hasDonutType(c3.data.targets)) {
format = __donut_label_format;
}
return format;
}
function getArcTitle() {
return hasDonutType(c3.data.targets) ? __donut_title : "";
}
function getArcOnClick() {
var callback = __pie_onclick;
if (hasGaugeType(c3.data.targets)) {
callback = __gauge_onclick;
} else if (hasDonutType(c3.data.targets)) {
callback = __donut_onclick;
}
return typeof callback === 'function' ? callback : function () {};
}
function getArcOnMouseOver() {
var callback = __pie_onmouseover;
if (hasGaugeType(c3.data.targets)) {
callback = __gauge_onmouseover;
} else if (hasDonutType(c3.data.targets)) {
callback = __donut_onmouseover;
}
return typeof callback === 'function' ? callback : function () {};
}
function getArcOnMouseOut() {
var callback = __pie_onmouseout;
if (hasGaugeType(c3.data.targets)) {
callback = __gauge_onmouseout;
} else if (hasDonutType(c3.data.targets)) {
callback = __donut_onmouseout;
}
return typeof callback === 'function' ? callback : function () {};
}
//-- Domain --//
function getAxisPadding(padding, key, defaultValue, all) {
var ratio = padding.unit === 'ratio' ? all : 1;
return isValue(padding[key]) ? padding[key] * ratio : defaultValue;
}
function getYDomainMin(targets) {
var ids = mapToIds(targets), ys = getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasNegativeValue;
if (__data_groups.length > 0) {
hasNegativeValue = hasNegativeValueInTargets(targets);
for (j = 0; j < __data_groups.length; j++) {
// Determine baseId
idsInGroup = __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 (getAxisId(id) === getAxisId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return d3.min(Object.keys(ys).map(function (key) { return d3.min(ys[key]); }));
}
function getYDomainMax(targets) {
var ids = mapToIds(targets), ys = getValuesAsIdKeyed(targets), j, k, baseId, idsInGroup, id, hasPositiveValue;
if (__data_groups.length > 0) {
hasPositiveValue = hasPositiveValueInTargets(targets);
for (j = 0; j < __data_groups.length; j++) {
// Determine baseId
idsInGroup = __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 (getAxisId(id) === getAxisId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return d3.max(Object.keys(ys).map(function (key) { return d3.max(ys[key]); }));
}
function getYDomain(targets, axisId) {
var yTargets = targets.filter(function (d) { return getAxisId(d.id) === axisId; }),
yMin = axisId === 'y2' ? __axis_y2_min : __axis_y_min,
yMax = axisId === 'y2' ? __axis_y2_max : __axis_y_max,
yDomainMin = isValue(yMin) ? yMin : getYDomainMin(yTargets),
yDomainMax = isValue(yMax) ? yMax : getYDomainMax(yTargets),
domainLength, padding, padding_top, padding_bottom,
center = axisId === 'y2' ? __axis_y2_center : __axis_y_center,
yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
showHorizontalDataLabel = hasDataLabel() && __axis_rotated,
showVerticalDataLabel = hasDataLabel() && !__axis_rotated;
if (yTargets.length === 0) { // use current domain if target of axisId is none
return axisId === 'y2' ? y2.domain() : y.domain();
}
if (yDomainMin === yDomainMax) {
yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
}
isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
// Bar/Area chart should be 0-based if all positive|negative
if (hasBarType(yTargets) || hasAreaType(yTargets)) {
if (isAllPositive) { yDomainMin = 0; }
if (isAllNegative) { yDomainMax = 0; }
}
domainLength = Math.abs(yDomainMax - yDomainMin);
padding = padding_top = padding_bottom = domainLength * 0.1;
if (center) {
yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
yDomainMax = yDomainAbs - center;
yDomainMin = center - yDomainAbs;
}
// add padding for data label
if (showHorizontalDataLabel) {
lengths = getDataLabelLength(yDomainMin, yDomainMax, axisId, '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, axisId, 'height');
padding_top += lengths[1];
padding_bottom += lengths[0];
}
if (axisId === 'y' && __axis_y_padding) {
padding_top = getAxisPadding(__axis_y_padding, 'top', padding, domainLength);
padding_bottom = getAxisPadding(__axis_y_padding, 'bottom', padding, domainLength);
}
if (axisId === 'y2' && __axis_y2_padding) {
padding_top = getAxisPadding(__axis_y2_padding, 'top', padding, domainLength);
padding_bottom = getAxisPadding(__axis_y2_padding, 'bottom', padding, domainLength);
}
// Bar/Area chart should be 0-based if all positive|negative
if (hasBarType(yTargets) || hasAreaType(yTargets)) {
if (isAllPositive) { padding_bottom = yDomainMin; }
if (isAllNegative) { padding_top = -yDomainMax; }
}
return [yDomainMin - padding_bottom, yDomainMax + padding_top];
}
function getXDomainMin(targets) {
return __axis_x_min ? (isTimeSeries ? parseDate(__axis_x_min) : __axis_x_min) : d3.min(targets, function (t) { return d3.min(t.values, function (v) { return v.x; }); });
}
function getXDomainMax(targets) {
return __axis_x_max ? (isTimeSeries ? parseDate(__axis_x_max) : __axis_x_max) : d3.max(targets, function (t) { return d3.max(t.values, function (v) { return v.x; }); });
}
function getXDomainPadding(targets) {
var edgeX = getEdgeX(targets), diff = edgeX[1] - edgeX[0],
maxDataCount, padding, paddingLeft, paddingRight;
if (isCategorized) {
padding = 0;
} else if (hasBarType(targets)) {
maxDataCount = getMaxDataCount();
padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
} else {
padding = diff * 0.01;
}
if (typeof __axis_x_padding === 'object' && notEmpty(__axis_x_padding)) {
paddingLeft = isValue(__axis_x_padding.left) ? __axis_x_padding.left : padding;
paddingRight = isValue(__axis_x_padding.right) ? __axis_x_padding.right : padding;
} else if (typeof __axis_x_padding === 'number') {
paddingLeft = paddingRight = __axis_x_padding;
} else {
paddingLeft = paddingRight = padding;
}
return {left: paddingLeft, right: paddingRight};
}
function getXDomain(targets) {
var xDomain = [getXDomainMin(targets), getXDomainMax(targets)],
firstX = xDomain[0], lastX = xDomain[1],
padding = getXDomainPadding(targets),
min = 0, max = 0;
// show center of x domain if min and max are the same
if ((firstX - lastX) === 0 && !isCategorized) {
firstX = isTimeSeries ? new Date(firstX.getTime() * 0.5) : -0.5;
lastX = isTimeSeries ? new Date(lastX.getTime() * 1.5) : 0.5;
}
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];
}
function updateXDomain(targets, withUpdateXDomain, withUpdateOrgXDomain, domain) {
if (withUpdateOrgXDomain) {
x.domain(domain ? domain : d3.extent(getXDomain(targets)));
orgXDomain = x.domain();
if (__zoom_enabled) { zoom.scale(x).updateScaleExtent(); }
subX.domain(x.domain());
brush.scale(subX);
}
if (withUpdateXDomain) {
x.domain(domain ? domain : brush.empty() ? orgXDomain : brush.extent());
if (__zoom_enabled) { zoom.scale(x).updateScaleExtent(); }
}
return x.domain();
}
function diffDomain(d) {
return d[1] - d[0];
}
//-- Cache --//
function hasCaches(ids) {
for (var i = 0; i < ids.length; i++) {
if (! (ids[i] in cache)) { return false; }
}
return true;
}
function addCache(id, target) {
cache[id] = cloneTarget(target);
}
function getCaches(ids) {
var targets = [];
for (var i = 0; i < ids.length; i++) {
if (ids[i] in cache) { targets.push(cloneTarget(cache[ids[i]])); }
}
return targets;
}
//-- Regions --//
function regionX(d) {
var xPos, yScale = d.axis === 'y' ? y : y2;
if (d.axis === 'y' || d.axis === 'y2') {
xPos = __axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;
} else {
xPos = __axis_rotated ? 0 : ('start' in d ? x(isTimeSeries ? parseDate(d.start) : d.start) : 0);
}
return xPos;
}
function regionY(d) {
var yPos, yScale = d.axis === 'y' ? y : y2;
if (d.axis === 'y' || d.axis === 'y2') {
yPos = __axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0);
} else {
yPos = __axis_rotated ? ('start' in d ? x(isTimeSeries ? parseDate(d.start) : d.start) : 0) : 0;
}
return yPos;
}
function regionWidth(d) {
var start = regionX(d), end, yScale = d.axis === 'y' ? y : y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = __axis_rotated ? ('end' in d ? yScale(d.end) : width) : width;
} else {
end = __axis_rotated ? width : ('end' in d ? x(isTimeSeries ? parseDate(d.end) : d.end) : width);
}
return end < start ? 0 : end - start;
}
function regionHeight(d) {
var start = regionY(d), end, yScale = d.axis === 'y' ? y : y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = __axis_rotated ? height : ('start' in d ? yScale(d.start) : height);
} else {
end = __axis_rotated ? ('end' in d ? x(isTimeSeries ? parseDate(d.end) : d.end) : height) : height;
}
return end < start ? 0 : end - start;
}
function isRegionOnX(d) {
return !d.axis || d.axis === 'x';
}
//-- Data --//
function isX(key) {
return (__data_x && key === __data_x) || (notEmpty(__data_xs) && hasValue(__data_xs, key));
}
function isNotX(key) {
return !isX(key);
}
function getXKey(id) {
return __data_x ? __data_x : notEmpty(__data_xs) ? __data_xs[id] : null;
}
function getXValuesOfXKey(key, targets) {
var xValues, ids = targets && notEmpty(targets) ? mapToIds(targets) : [];
ids.forEach(function (id) {
if (getXKey(id) === key) {
xValues = c3.data.xs[id];
}
});
return xValues;
}
function getXValue(id, i) {
return id in c3.data.xs && c3.data.xs[id] && isValue(c3.data.xs[id][i]) ? c3.data.xs[id][i] : i;
}
function getOtherTargetXs() {
var idsForX = Object.keys(c3.data.xs);
return idsForX.length ? c3.data.xs[idsForX[0]] : null;
}
function getOtherTargetX(index) {
var xs = getOtherTargetXs();
return xs && index < xs.length ? xs[index] : null;
}
function addXs(xs) {
Object.keys(xs).forEach(function (id) {
__data_xs[id] = xs[id];
});
}
function isSingleX(xs) {
return d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() === 1;
}
function addName(data) {
var name;
if (data) {
name = __data_names[data.id];
data.name = name ? name : data.id;
}
return data;
}
function getValueOnIndex(values, index) {
var valueOnIndex = values.filter(function (v) { return v.index === index; });
return valueOnIndex.length ? valueOnIndex[0] : null;
}
function updateTargetX(targets, x) {
targets.forEach(function (t) {
t.values.forEach(function (v, i) {
v.x = generateTargetX(x[i], t.id, i);
});
c3.data.xs[t.id] = x;
});
}
function updateTargetXs(targets, xs) {
targets.forEach(function (t) {
if (xs[t.id]) {
updateTargetX([t], xs[t.id]);
}
});
}
function generateTargetX(rawX, id, index) {
var 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;
}
function convertCsvToData(csv) {
var rows = d3.csv.parseRows(csv), d;
if (rows.length === 1) {
d = [{}];
rows[0].forEach(function (id) {
d[0][id] = null;
});
} else {
d = d3.csv.parse(csv);
}
return d;
}
function convertJsonToData(json, keys) {
var new_rows = [], targetKeys, data;
if (keys) { // when keys specified, json would be an array that includes objects
targetKeys = keys.value;
if (keys.x) {
targetKeys.push(keys.x);
__data_x = keys.x;
}
new_rows.push(targetKeys);
json.forEach(function (o) {
var new_row = [];
targetKeys.forEach(function (key) {
// convert undefined to null becuase undefined data will be removed in convertDataToTargets()
var v = typeof o[key] === 'undefined' ? null : o[key];
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;
}
function convertRowsToData(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++) {
new_row[keys[j]] = rows[i][j];
}
new_rows.push(new_row);
}
return new_rows;
}
function convertColumnsToData(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] = {};
}
new_rows[j - 1][key] = columns[i][j];
}
}
return new_rows;
}
function convertDataToTargets(data, appendXs) {
var 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) {
c3.data.xs[id] = (appendXs && c3.data.xs[id] ? c3.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 (__data_x) {
c3.data.xs[id] = getOtherTargetXs();
}
// if not included in input data, find from preloaded data
else if (notEmpty(__data_xs)) {
c3.data.xs[id] = getXValuesOfXKey(xKey, c3.data.targets);
}
// MEMO: if no x included, use same x of current will be used
} else {
c3.data.xs[id] = data.map(function (d, i) { return i; });
}
});
// check x is defined
ids.forEach(function (id) {
if (!c3.data.xs[id]) {
throw new Error('x is not defined for id = "' + id + '".');
}
});
// convert to target
targets = ids.map(function (id, index) {
var convertedId = __data_id_converter(id);
return {
id: convertedId,
id_org: id,
values: data.map(function (d, i) {
var xKey = getXKey(id), rawX = d[xKey], x = generateTargetX(rawX, id, i);
// use x as categories if custom x and categorized
if (isCustomX() && isCategorized && index === 0 && rawX) {
if (i === 0) { __axis_x_categories = []; }
__axis_x_categories.push(rawX);
}
// mark as x = undefined if value is undefined and filter to remove after mapped
if (typeof d[id] === 'undefined' || c3.data.xs[id].length <= i) {
x = undefined;
}
return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId};
}).filter(function (v) { return typeof v.x !== 'undefined'; })
};
});
// finish targets
targets.forEach(function (t) {
var i;
// sort values by its x
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
c3.data.xs[t.id].sort(function (v1, v2) {
return v1 - v2;
});
});
// set target types
if (__data_type) {
setTargetType(mapToIds(targets).filter(function (id) { return ! (id in __data_types); }), __data_type);
}
// cache as original id keyed
targets.forEach(function (d) {
addCache(d.id_org, d);
});
return targets;
}
function cloneTarget(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};
})
};
}
function getPrevX(i) {
var value = getValueOnIndex(c3.data.targets[0].values, i - 1);
return value ? value.x : null;
}
function getNextX(i) {
var value = getValueOnIndex(c3.data.targets[0].values, i + 1);
return value ? value.x : null;
}
function getMaxDataCount() {
return d3.max(c3.data.targets, function (t) { return t.values.length; });
}
function getMaxDataCountTarget(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;
}
function getEdgeX(targets) {
var target = getMaxDataCountTarget(targets), firstData, lastData;
if (!target) {
return [0, 0];
}
firstData = target.values[0], lastData = target.values[target.values.length - 1];
return [firstData.x, lastData.x];
}
function mapToIds(targets) {
return targets.map(function (d) { return d.id; });
}
function mapToTargetIds(ids) {
return ids ? (typeof ids === 'string' ? [ids] : ids) : mapToIds(c3.data.targets);
}
function hasTarget(targets, id) {
var ids = mapToIds(targets), i;
for (i = 0; i < ids.length; i++) {
if (ids[i] === id) {
return true;
}
}
return false;
}
function isTargetToShow(targetId) {
return hiddenTargetIds.indexOf(targetId) < 0;
}
function isLegendToShow(targetId) {
return hiddenLegendIds.indexOf(targetId) < 0;
}
function filterTargetsToShow(targets) {
return targets.filter(function (t) { return isTargetToShow(t.id); });
}
function mapTargetsToUniqueXs(targets) {
var xs = d3.set(d3.merge(targets.map(function (t) { return t.values.map(function (v) { return v.x; }); }))).values();
return isTimeSeries ? xs.map(function (x) { return new Date(x); }) : xs.map(function (x) { return +x; });
}
function generateTickValues(xs, tickCount) {
var tickValues = xs, targetCount, start, end, count, interval, i, tickValue;
if (tickCount) {
targetCount = typeof tickCount === 'function' ? tickCount() : tickCount;
// compute ticks according to __axis_x_tick_count
if (targetCount === 1) {
tickValues = [xs[0]];
} else if (targetCount === 2) {
tickValues = [xs[0], xs[xs.length - 1]];
} else if (targetCount > 2) {
count = targetCount - 2;
start = xs[0];
end = xs[xs.length - 1];
interval = (end - start) / (count + 1);
// re-construct uniqueXs
tickValues = [start];
for (i = 0; i < count; i++) {
tickValue = +start + interval * (i + 1);
tickValues.push(isTimeSeries ? new Date(tickValue) : tickValue);
}
tickValues.push(end);
}
}
if (!isTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
return tickValues;
}
function addHiddenTargetIds(targetIds) {
hiddenTargetIds = hiddenTargetIds.concat(targetIds);
}
function removeHiddenTargetIds(targetIds) {
hiddenTargetIds = hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
}
function addHiddenLegendIds(targetIds) {
hiddenLegendIds = hiddenLegendIds.concat(targetIds);
}
function removeHiddenLegendIds(targetIds) {
hiddenLegendIds = hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
}
function getValuesAsIdKeyed(targets) {
var ys = {};
targets.forEach(function (t) {
ys[t.id] = [];
t.values.forEach(function (v) {
ys[t.id].push(v.value);
});
});
return ys;
}
function checkValueInTargets(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;
}
function hasNegativeValueInTargets(targets) {
return checkValueInTargets(targets, function (v) { return v < 0; });
}
function hasPositiveValueInTargets(targets) {
return checkValueInTargets(targets, function (v) { return v > 0; });
}
function categoryName(i) {
return i < __axis_x_categories.length ? __axis_x_categories[i] : i;
}
function generateClass(prefix, targetId) {
return " " + prefix + " " + prefix + getTargetSelectorSuffix(targetId);
}
function classText(d) { return generateClass(CLASS.text, d.index); }
function classTexts(d) { return generateClass(CLASS.texts, d.id); }
function classShape(d) { return generateClass(CLASS.shape, d.index); }
function classShapes(d) { return generateClass(CLASS.shapes, d.id); }
function classLine(d) { return classShape(d) + generateClass(CLASS.line, d.id); }
function classLines(d) { return classShapes(d) + generateClass(CLASS.lines, d.id); }
function classCircle(d) { return classShape(d) + generateClass(CLASS.circle, d.index); }
function classCircles(d) { return classShapes(d) + generateClass(CLASS.circles, d.id); }
function classBar(d) { return classShape(d) + generateClass(CLASS.bar, d.index); }
function classBars(d) { return classShapes(d) + generateClass(CLASS.bars, d.id); }
function classArc(d) { return classShape(d.data) + generateClass(CLASS.arc, d.data.id); }
function classArcs(d) { return classShapes(d.data) + generateClass(CLASS.arcs, d.data.id); }
function classArea(d) { return classShape(d) + generateClass(CLASS.area, d.id); }
function classAreas(d) { return classShapes(d) + generateClass(CLASS.areas, d.id); }
function classRegion(d, i) { return generateClass(CLASS.region, i) + ' ' + ('class' in d ? d.class : ''); }
function classEvent(d) { return generateClass(CLASS.eventRect, d.index); }
function classTarget(id) {
var additionalClassSuffix = __data_classes[id], additionalClass = '';
if (additionalClassSuffix) {
additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
}
return generateClass(CLASS.target, id) + additionalClass;
}
function classChartText(d) { return CLASS.chartText + classTarget(d.id); }
function classChartLine(d) { return CLASS.chartLine + classTarget(d.id); }
function classChartBar(d) { return CLASS.chartBar + classTarget(d.id); }
function classChartArc(d) { return CLASS.chartArc + classTarget(d.data.id); }
function getTargetSelectorSuffix(targetId) {
return targetId || targetId === 0 ? '-' + (targetId.replace ? targetId.replace(/([^a-zA-Z0-9-_])/g, '-') : targetId) : '';
}
function selectorTarget(id) { return '.' + CLASS.target + getTargetSelectorSuffix(id); }
function selectorTargets(ids) { return ids.length ? ids.map(function (id) { return selectorTarget(id); }) : null; }
function selectorLegend(id) { return '.' + CLASS.legendItem + getTargetSelectorSuffix(id); }
function selectorLegends(ids) { return ids.length ? ids.map(function (id) { return selectorLegend(id); }) : null; }
function initialOpacity(d) {
return d.value !== null && withoutFadeIn[d.id] ? 1 : 0;
}
function opacityForCircle(d) {
return isValue(d.value) ? isScatterType(d) ? 0.5 : 1 : 0;
}
function opacityForText() {
return hasDataLabel() ? 1 : 0;
}
function hasDataLabel() {
if (typeof __data_labels === 'boolean' && __data_labels) {
return true;
} else if (typeof __data_labels === 'object' && notEmpty(__data_labels)) {
return true;
}
return false;
}
function getDataLabelLength(min, max, axisId, key) {
var lengths = [0, 0], paddingCoef = 1.3;
selectChart.select('svg').selectAll('.dummy')
.data([min, max])
.enter().append('text')
.text(function (d) { return formatByAxisId(axisId)(d); })
.each(function (d, i) {
lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
})
.remove();
return lengths;
}
function getYFormat(forArc) {
var formatForY = forArc && !hasGaugeType(c3.data.targets) ? defaultArcValueFormat : yFormat,
formatForY2 = forArc && !hasGaugeType(c3.data.targets) ? defaultArcValueFormat : y2Format;
return function (v, ratio, id) {
var format = getAxisId(id) === 'y2' ? formatForY2 : formatForY;
return format(v, ratio);
};
}
function yFormat(v) {
var format = __axis_y_tick_format ? __axis_y_tick_format : defaultValueFormat;
return format(v);
}
function y2Format(v) {
var format = __axis_y2_tick_format ? __axis_y2_tick_format : defaultValueFormat;
return format(v);
}
function defaultValueFormat(v) {
return isValue(v) ? +v : "";
}
function defaultArcValueFormat(v, ratio) {
return (ratio * 100).toFixed(1) + '%';
}
function formatByAxisId(axisId) {
var format = function (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 (typeof __data_labels.format[axisId] === 'function') {
format = __data_labels.format[axisId];
}
}
return format;
}
function xx(d) {
return d ? x(d.x) : null;
}
function xv(d) {
return Math.ceil(x(isTimeSeries ? parseDate(d.value) : d.value));
}
function yv(d) {
var yScale = d.axis && d.axis === 'y2' ? y2 : y;
return Math.ceil(yScale(d.value));
}
function subxx(d) {
return d ? subX(d.x) : null;
}
function findSameXOfValues(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;
}
function findClosestOfValues(values, pos, _min, _max) { // MEMO: values must be sorted by x
var min = _min ? _min : 0,
max = _max ? _max : values.length - 1,
med = Math.floor((max - min) / 2) + min,
value = values[med],
diff = x(value.x) - pos[__axis_rotated ? 1 : 0],
candidates;
// Update range for search
diff > 0 ? max = med : min = med;
// if candidates are two closest min and max, stop recursive call
if ((max - min) === 1 || (min === 0 && max === 0)) {
// Get candidates that has same min and max index
candidates = [];
if (values[min].x || values[min].x === 0) {
candidates = candidates.concat(findSameXOfValues(values, min));
}
if (values[max].x || values[max].x === 0) {
candidates = candidates.concat(findSameXOfValues(values, max));
}
// Determine the closest and return
return findClosest(candidates, pos);
}
return findClosestOfValues(values, pos, min, max);
}
function findClosestFromTargets(targets, pos) {
var candidates;
// map to array of closest points of each target
candidates = targets.map(function (target) {
return findClosestOfValues(target.values, pos);
});
// decide closest point and return
return findClosest(candidates, pos);
}
function findClosest(values, pos) {
var minDist, closest;
values.forEach(function (v) {
var d = dist(v, pos);
if (d < minDist || ! minDist) {
minDist = d;
closest = v;
}
});
return closest;
}
function filterSameX(targets, x) {
return d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
}
function getPathBox(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};
}
function isOrderDesc() {
return __data_order && __data_order.toLowerCase() === 'desc';
}
function isOrderAsc() {
return __data_order && __data_order.toLowerCase() === 'asc';
}
function orderTargets(targets) {
var orderAsc = isOrderAsc(), orderDesc = isOrderDesc();
if (orderAsc || orderDesc) {
targets.sort(function (t1, t2) {
var reducer = function (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 (typeof __data_order === 'function') {
targets.sort(__data_order);
} // TODO: accept name array for order
return targets;
}
//-- Tooltip --//
function showTooltip(selectedData, mouse) {
var tWidth, tHeight, svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
var forArc = hasArcType(c3.data.targets),
dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); });
if (dataToShow.length === 0 || !__tooltip_show) {
return;
}
tooltip.html(__tooltip_contents(selectedData, getXAxisTickFormat(), getYFormat(forArc), color)).style("display", "block");
// Get tooltip dimensions
tWidth = tooltip.property('offsetWidth');
tHeight = tooltip.property('offsetHeight');
// Determin tooltip position
if (forArc) {
tooltipLeft = (width / 2) + mouse[0];
tooltipTop = (height / 2) + mouse[1] + 20;
} else {
if (__axis_rotated) {
svgLeft = getSvgLeft();
tooltipLeft = svgLeft + mouse[0] + 100;
tooltipRight = tooltipLeft + tWidth;
chartRight = getCurrentWidth() - getCurrentPaddingRight();
tooltipTop = x(dataToShow[0].x) + 20;
} else {
svgLeft = getSvgLeft();
tooltipLeft = svgLeft + getCurrentPaddingLeft() + x(dataToShow[0].x) + 20;
tooltipRight = tooltipLeft + tWidth;
chartRight = svgLeft + getCurrentWidth() - getCurrentPaddingRight();
tooltipTop = mouse[1] + 15;
}
if (tooltipRight > chartRight) {
tooltipLeft -= tooltipRight - chartRight;
}
if (tooltipTop + tHeight > getCurrentHeight()) {
tooltipTop -= tHeight + 30;
}
}
// Set tooltip
tooltip
.style("top", tooltipTop + "px")
.style("left", tooltipLeft + 'px');
}
function hideTooltip() {
tooltip.style("display", "none");
}
function showXGridFocus(selectedData) {
var dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); });
if (! __tooltip_show) { return; }
// Hide when scatter plot exists
if (hasScatterType(c3.data.targets) || hasArcType(c3.data.targets)) { return; }
var focusEl = main.selectAll('line.' + CLASS.xgridFocus);
focusEl
.style("visibility", "visible")
.data([dataToShow[0]])
.attr(__axis_rotated ? 'y1' : 'x1', xx)
.attr(__axis_rotated ? 'y2' : 'x2', xx);
smoothLines(focusEl, 'grid');
}
function hideXGridFocus() {
main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
}
function generateGridData(type, scale) {
var 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;
}
//-- Shape --//
function getShapeIndices(typeFilter) {
var indices = {}, i = 0, j, k;
filterTargetsToShow(c3.data.targets.filter(typeFilter)).forEach(function (d) {
for (j = 0; j < __data_groups.length; j++) {
if (__data_groups[j].indexOf(d.id) < 0) { continue; }
for (k = 0; k < __data_groups[j].length; k++) {
if (__data_groups[j][k] in indices) {
indices[d.id] = indices[__data_groups[j][k]];
break;
}
}
}
if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
});
indices.__max__ = i - 1;
return indices;
}
function getShapeX(offset, targetsNum, indices, isSub) {
var 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;
};
}
function getShapeY(isSub) {
return function (d) {
var scale = isSub ? getSubYScale(d.id) : getYScale(d.id);
return scale(d.value);
};
}
function getShapeOffset(typeFilter, indices, isSub) {
var targets = orderTargets(filterTargetsToShow(c3.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) {
if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id) && t.values[i].value * d.value >= 0) {
offset += scale(t.values[i].value) - y0;
}
});
return offset;
};
}
//-- Circle --//
function circleX(d) {
return d.x || d.x === 0 ? x(d.x) : null;
}
function circleY(d, i) {
var lineIndices = getShapeIndices(isLineType), getPoint = generateGetLinePoint(lineIndices);
return __data_groups.length > 0 ? getPoint(d, i)[0][1] : getYScale(d.id)(d.value);
}
//-- Bar --//
function getBarW(axis, barTargetsNum) {
return typeof __bar_width === 'number' ? __bar_width : barTargetsNum ? (axis.tickOffset() * 2 * __bar_width_ratio) / barTargetsNum : 0;
}
//-- Type --//
function setTargetType(targetIds, type) {
mapToTargetIds(targetIds).forEach(function (id) {
withoutFadeIn[id] = (type === __data_types[id]);
__data_types[id] = type;
});
if (!targetIds) {
__data_type = type;
}
}
function hasType(targets, type) {
var has = false;
targets.forEach(function (t) {
if (__data_types[t.id] === type) { has = true; }
if (!(t.id in __data_types) && type === 'line') { has = true; }
});
return has;
}
/* not used
function hasLineType(targets) {
return hasType(targets, 'line');
}
*/
function hasAreaType(targets) {
return hasType(targets, 'area') || hasType(targets, 'area-spline') || hasType(targets, 'area-step');
}
function hasBarType(targets) {
return hasType(targets, 'bar');
}
function hasScatterType(targets) {
return hasType(targets, 'scatter');
}
function hasPieType(targets) {
return __data_type === 'pie' || hasType(targets, 'pie');
}
function hasGaugeType(targets) {
return hasType(targets, 'gauge');
}
function hasDonutType(targets) {
return __data_type === 'donut' || hasType(targets, 'donut');
}
function hasArcType(targets) {
return hasPieType(targets) || hasDonutType(targets) || hasGaugeType(targets);
}
function isLineType(d) {
var id = (typeof d === 'string') ? d : d.id;
return !__data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(__data_types[id]) >= 0;
}
function isStepType(d) {
var id = (typeof d === 'string') ? d : d.id;
return ['step', 'area-step'].indexOf(__data_types[id]) >= 0;
}
function isSplineType(d) {
var id = (typeof d === 'string') ? d : d.id;
return ['spline', 'area-spline'].indexOf(__data_types[id]) >= 0;
}
function isAreaType(d) {
var id = (typeof d === 'string') ? d : d.id;
return ['area', 'area-spline', 'area-step'].indexOf(__data_types[id]) >= 0;
}
function isBarType(d) {
var id = (typeof d === 'string') ? d : d.id;
return __data_types[id] === 'bar';
}
function isScatterType(d) {
var id = (typeof d === 'string') ? d : d.id;
return __data_types[id] === 'scatter';
}
function isPieType(d) {
var id = (typeof d === 'string') ? d : d.id;
return __data_types[id] === 'pie';
}
function isGaugeType(d) {
var id = (typeof d === 'string') ? d : d.id;
return __data_types[id] === 'gauge';
}
function isDonutType(d) {
var id = (typeof d === 'string') ? d : d.id;
return __data_types[id] === 'donut';
}
function isArcType(d) {
return isPieType(d) || isDonutType(d) || isGaugeType(d);
}
function lineData(d) {
return isLineType(d) ? [d] : [];
}
function arcData(d) {
return isArcType(d.data) ? [d] : [];
}
/* not used
function scatterData(d) {
return isScatterType(d) ? d.values : [];
}
*/
function barData(d) {
return isBarType(d) ? d.values : [];
}
function lineOrScatterData(d) {
return isLineType(d) || isScatterType(d) ? d.values : [];
}
function barOrLineData(d) {
return isBarType(d) || isLineType(d) ? d.values : [];
}
function shouldExpand(id) {
return (isDonutType(id) && __donut_expand) || (isGaugeType(id) && __gauge_expand) || (isPieType(id) && __pie_expand);
}
//-- Color --//
function generateColor(colors, pattern, callback) {
var ids = [];
return function (d) {
var id = d.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];
}
return callback instanceof Function ? callback(color, d) : color;
};
}
function generateLevelColor(colors, threshold) {
var asValue = threshold.unit === 'value',
values = threshold.values && threshold.values.length ? threshold.values : [],
max = threshold.max || 100;
return 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;
};
}
//-- Date --//
function parseDate(date) {
var parsedDate;
if (date instanceof Date) {
parsedDate = date;
} else {
try {
parsedDate = typeof date === 'number' ? new Date(date) : d3.time.format(__data_x_format).parse(date);
} catch (e) {
window.console.error("Failed to parse x '" + date + "' to Date with format " + __data_x_format);
}
}
return parsedDate;
}
//-- Util --//
function isWithinCircle(_this, _r) {
var mouse = d3.mouse(_this), d3_this = d3.select(_this);
var cx = d3_this.attr("cx") * 1, cy = d3_this.attr("cy") * 1;
return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < _r;
}
function isWithinBar(_this) {
var mouse = d3.mouse(_this), box = _this.getBoundingClientRect(),
seg0 = _this.pathSegList.getItem(0), seg1 = _this.pathSegList.getItem(1);
var x = seg0.x, y = Math.min(seg0.y, seg1.y), w = box.width, h = box.height, offset = 2;
var 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;
}
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;
}
function isEmpty(o) {
return !o || (typeof o === 'string' && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
}
function notEmpty(o) {
return Object.keys(o).length > 0;
}
function hasValue(dict, value) {
var found = false;
Object.keys(dict).forEach(function (key) {
if (dict[key] === value) { found = true; }
});
return found;
}
function dist(data, pos) {
var yScale = getAxisId(data.id) === 'y' ? y : y2,
xIndex = __axis_rotated ? 1 : 0,
yIndex = __axis_rotated ? 0 : 1;
return Math.pow(x(data.x) - pos[xIndex], 2) + Math.pow(yScale(data.value) - pos[yIndex], 2);
}
function endall(transition, callback) {
var n = 0;
transition
.each(function () { ++n; })
.each("end", function () {
if (!--n) { callback.apply(this, arguments); }
});
}
function generateWait() {
var transitionsToWait = [],
f = function (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;
}
function getOption(options, key, defaultValue) {
return isDefined(options[key]) ? options[key] : defaultValue;
}
function ceil10(v) {
return Math.ceil(v / 10) * 10;
}
function getTextRect(text, cls) {
var rect;
d3.select('body').selectAll('.dummy')
.data([text])
.enter().append('text')
.classed(cls ? cls : "", true)
.text(text)
.each(function () { rect = this.getBoundingClientRect(); })
.remove();
return rect;
}
function getInterpolate(d) {
return isSplineType(d) ? "cardinal" : isStepType(d) ? "step-after" : "linear";
}
function getEmptySelection() {
return d3.selectAll([]);
}
//-- Selection --//
function selectPoint(target, d, i) {
__data_onselected(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", __axis_rotated ? circleY : circleX)
.attr("cy", __axis_rotated ? circleX : circleY)
.attr("stroke", function () { return color(d); })
.attr("r", pointSelectR(d) * 1.4)
.transition().duration(100)
.attr("r", pointSelectR);
}
function unselectPoint(target, d, i) {
__data_onunselected(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();
}
function togglePoint(selected, target, d, i) {
selected ? selectPoint(target, d, i) : unselectPoint(target, d, i);
}
function selectBar(target, d) {
__data_onselected(d, target.node());
target.transition().duration(100).style("fill", function () { return d3.rgb(color(d)).brighter(0.75); });
}
function unselectBar(target, d) {
__data_onunselected(d, target.node());
target.transition().duration(100).style("fill", function () { return color(d); });
}
function toggleBar(selected, target, d, i) {
selected ? selectBar(target, d, i) : unselectBar(target, d, i);
}
function toggleArc(selected, target, d, i) {
toggleBar(selected, target, d.data, i);
}
function getToggle(that) {
// path selection not supported yet
return that.nodeName === 'circle' ? togglePoint : (d3.select(that).classed(CLASS.bar) ? toggleBar : toggleArc);
}
function filterRemoveNull(data) {
return data.filter(function (d) { return isValue(d.value); });
}
//-- Point --//
function pointR(d) {
return __point_show && !isStepType(d) ? (typeof __point_r === 'function' ? __point_r(d) : __point_r) : 0;
}
function pointExpandedR(d) {
return __point_focus_expand_enabled ? (__point_focus_expand_r ? __point_focus_expand_r : pointR(d) * 1.75) : pointR(d);
}
function pointSelectR(d) {
return __point_select_r ? __point_select_r : pointR(d) * 4;
}
//-- Shape --//
function getCircles(i, id) {
return (id ? main.selectAll('.' + CLASS.circles + getTargetSelectorSuffix(id)) : main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
}
function expandCircles(i, id) {
getCircles(i, id)
.classed(CLASS.EXPANDED, true)
.attr('r', pointExpandedR);
}
function unexpandCircles(i) {
getCircles(i)
.filter(function () { return d3.select(this).classed(CLASS.EXPANDED); })
.classed(CLASS.EXPANDED, false)
.attr('r', pointR);
}
function getBars(i) {
return main.selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
}
function expandBars(i) {
getBars(i).classed(CLASS.EXPANDED, true);
}
function unexpandBars(i) {
getBars(i).classed(CLASS.EXPANDED, false);
}
function generateDrawArea(areaIndices, isSub) {
var area = d3.svg.area(),
getPoint = generateGetAreaPoint(areaIndices, isSub),
yScaleGetter = isSub ? getSubYScale : getYScale,
value0 = function (d, i) {
return __data_groups.length > 0 ? getPoint(d, i)[0][1] : yScaleGetter(d.id)(0);
},
value1 = function (d, i) {
return __data_groups.length > 0 ? getPoint(d, i)[1][1] : yScaleGetter(d.id)(d.value);
};
area = __axis_rotated ? area.x0(value0).x1(value1).y(xx) : area.x(xx).y0(value0).y1(value1);
return function (d) {
var data = filterRemoveNull(d.values), x0 = 0, y0 = 0, path;
if (isAreaType(d)) {
path = area.interpolate(getInterpolate(d))(data);
} else {
if (data[0]) {
x0 = x(data[0].x);
y0 = getYScale(d.id)(data[0].value);
}
path = __axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
}
function generateDrawLine(lineIndices, isSub) {
var line = d3.svg.line(),
getPoint = generateGetLinePoint(lineIndices, isSub),
yScaleGetter = isSub ? getSubYScale : getYScale,
xValue = isSub ? subxx : xx,
yValue = function (d, i) {
return __data_groups.length > 0 ? getPoint(d, i)[0][1] : yScaleGetter(d.id)(d.value);
};
line = __axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
if (!__line_connect_null) { line = line.defined(function (d) { return d.value != null; }); }
return function (d) {
var data = __line_connect_null ? filterRemoveNull(d.values) : d.values,
x = isSub ? x : subX, y = yScaleGetter(d.id), x0 = 0, y0 = 0, path;
if (isLineType(d)) {
if (__data_regions[d.id]) {
path = lineWithRegions(data, x, y, __data_regions[d.id]);
} else {
path = line.interpolate(getInterpolate(d))(data);
}
} else {
if (data[0]) {
x0 = x(data[0].x);
y0 = y(data[0].value);
}
path = __axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
}
function generateDrawBar(barIndices, isSub) {
var 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 = __axis_rotated ? 1 : 0;
var indexY = __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;
};
}
function generateXYForText(barIndices, forX) {
var getPoints = generateGetBarPoints(barIndices, false),
getter = forX ? getXForText : getYForText;
return function (d, i) {
return getter(getPoints(d, i), d, this);
};
}
function getXForText(points, d, textElement) {
var box = textElement.getBoundingClientRect(), xPos, padding;
if (__axis_rotated) {
padding = isBarType(d) ? 4 : 6;
xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
} else {
xPos = points[0][0] + (points[2][0] - points[0][0]) / 2;
}
return xPos > width ? width - box.width : xPos;
}
function getYForText(points, d, textElement) {
var box = textElement.getBoundingClientRect(), yPos;
if (__axis_rotated) {
yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
} else {
yPos = points[2][1] + (d.value < 0 ? box.height : isBarType(d) ? -3 : -6);
}
return yPos < box.height ? box.height : yPos;
}
function generateGetAreaPoint(areaIndices, isSub) { // partial duplication of generateGetBarPoints
var 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(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 (__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)]
];
};
}
function generateGetBarPoints(barIndices, isSub) {
var barTargetsNum = barIndices.__max__ + 1,
barW = getBarW(xAxis, 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(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 (__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]
];
};
}
function generateGetLinePoint(lineIndices, isSub) { // partial duplication of generateGetBarPoints
var 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(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 (__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)]
];
};
}
function lineWithRegions(d, x, y, _regions) {
var prev = -1, i, j;
var s = "M", sWithRegion;
var xp, yp, dx, dy, dd, diff, diffx2;
var xValue, yValue;
var regions = [];
// 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 = __axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
yValue = __axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
// Define svg generator function for region
if (isTimeSeries) {
sWithRegion = function (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));
return "M" + x(xv0) + " " + y(yp(j)) + " " + x(xv1) + " " + y(yp(j + diff));
};
} else {
sWithRegion = function (d0, d1, j, diff) {
return "M" + x(xp(j), true) + " " + y(yp(j)) + " " + x(xp(j + diff), true) + " " + y(yp(j + diff));
};
}
// 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, d[i].x, 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;
}
//-- Define brush/zoom -//
var brush, zoom = function () {};
brush = d3.svg.brush().on("brush", redrawForBrush);
brush.update = function () {
if (context) { context.select('.' + CLASS.brush).call(this); }
return this;
};
brush.scale = function (scale) {
return __axis_rotated ? this.y(scale) : this.x(scale);
};
zoom = d3.behavior.zoom()
.on("zoomstart", function () { zoom.altDomain = d3.event.sourceEvent.altKey ? x.orgDomain() : null; })
.on("zoom", redrawForZoom);
zoom.scale = function (scale) {
return __axis_rotated ? this.y(scale) : this.x(scale);
};
zoom.orgScaleExtent = function () {
var extent = __zoom_extent ? __zoom_extent : [1, 10];
return [extent[0], Math.max(getMaxDataCount() / extent[1], extent[1])];
};
zoom.updateScaleExtent = function () {
var ratio = diffDomain(x.orgDomain()) / diffDomain(orgXDomain), extent = this.orgScaleExtent();
this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
return this;
};
function updateZoom() {
var z = __zoom_enabled ? zoom : function () {};
main.select('.' + CLASS.zoomRect).call(z);
main.selectAll('.' + CLASS.eventRect).call(z);
}
/*-- Draw Chart --*/
// for svg elements
var svg, defs, main, context, legend, tooltip, selectChart;
// for brush area culculation
var orgXDomain;
// for save value
var orgAreaOpacity, withoutFadeIn = {};
function updateDimension() {
if (__axis_rotated) {
axes.x.call(xAxis);
axes.subx.call(subXAxis);
} else {
axes.y.call(yAxis);
axes.y2.call(y2Axis);
}
updateSizes();
updateScales();
updateSvgSize();
transformAll(false);
}
function observeInserted(selection) {
var 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
var interval = window.setInterval(function () {
// parentNode will NOT be null when completed
if (selection.node().parentNode) {
window.clearInterval(interval);
updateDimension();
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});
}
function init(data) {
var arcs, eventRect, grid, i, binding = true;
selectChart = d3.select(__bindto);
if (selectChart.empty()) {
selectChart = d3.select(document.createElement('div')).style('opacity', 0);
observeInserted(selectChart);
binding = false;
}
selectChart.html("").classed("c3", true);
// Init data as targets
c3.data.xs = {};
c3.data.targets = convertDataToTargets(data);
if (__data_filter) {
c3.data.targets = c3.data.targets.filter(__data_filter);
}
// Set targets to hide if needed
if (__data_hide) {
addHiddenTargetIds(__data_hide === true ? mapToIds(c3.data.targets) : __data_hide);
}
// when gauge, hide legend // TODO: fix
if (hasGaugeType(c3.data.targets)) {
__legend_show = false;
}
// Init sizes and scales
updateSizes();
updateScales();
// Set domains for each scale
x.domain(d3.extent(getXDomain(c3.data.targets)));
y.domain(getYDomain(c3.data.targets, 'y'));
y2.domain(getYDomain(c3.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
brush.scale(subX);
if (__zoom_enabled) { zoom.scale(x); }
/*-- Basic Elements --*/
// Define svgs
svg = selectChart.append("svg")
.style("overflow", "hidden")
.on('mouseenter', __onmouseover)
.on('mouseleave', __onmouseout);
// Define defs
defs = svg.append("defs");
defs.append("clipPath").attr("id", clipId).append("rect");
defs.append("clipPath").attr("id", clipIdForXAxis).append("rect");
defs.append("clipPath").attr("id", clipIdForYAxis).append("rect");
updateSvgSize();
// Define regions
main = svg.append("g").attr("transform", translate.main);
context = svg.append("g").attr("transform", translate.context);
legend = svg.append("g").attr("transform", translate.legend);
if (!__subchart_show) {
context.style('visibility', 'hidden');
}
if (!__legend_show) {
legend.style('visibility', 'hidden');
hiddenLegendIds = mapToIds(c3.data.targets);
}
// Define tooltip
tooltip = selectChart
.style("position", "relative")
.append("div")
.style("position", "absolute")
.style("pointer-events", "none")
.style("z-index", "10")
.style("display", "none");
// MEMO: call here to update legend box and tranlate for all
// MEMO: translate will be upated by this, so transform not needed in updateLegend()
updateLegend(mapToIds(c3.data.targets), {withTransform: false, withTransitionForTransform: false});
/*-- 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.
// Grids
grid = main.append('g')
.attr("clip-path", clipPath)
.attr('class', CLASS.grid);
// X-Grid
if (__grid_x_show) {
grid.append("g").attr("class", CLASS.xgrids);
}
if (__grid_focus_show) {
grid.append('g')
.attr("class", CLASS.xgridFocus)
.append('line')
.attr('class', CLASS.xgridFocus);
}
grid.append('g').attr("class", CLASS.xgridLines);
// Y-Grid
if (__grid_y_show) {
grid.append('g').attr('class', CLASS.ygrids);
}
grid.append('g').attr('class', CLASS.ygridLines);
// Regions
main.append('g')
.attr("clip-path", clipPath)
.attr("class", CLASS.regions);
// Define g for chart area
main.append('g')
.attr("clip-path", clipPath)
.attr('class', CLASS.chart);
// Cover whole with rects for events
eventRect = main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.eventRects)
.style('fill-opacity', 0);
// Define g for bar chart area
main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartBars);
// Define g for line chart area
main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartLines);
// Define g for arc chart area
arcs = main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartArcs)
.attr("transform", translate.arc);
arcs.append('text')
.attr('class', CLASS.chartArcsTitle)
.style("text-anchor", "middle")
.text(getArcTitle());
if (hasGaugeType(c3.data.targets)) {
arcs.append('path')
.attr("class", CLASS.chartArcsBackground)
.attr("d", function () {
var d = {
data: [{value: __gauge_max}],
startAngle: -1 * (Math.PI / 2),
endAngle: Math.PI / 2
};
return getArc(d, true, true);
});
arcs.append("text")
.attr("dy", ".75em")
.attr("class", CLASS.chartArcsGaugeUnit)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(__gauge_label_show ? __gauge_units : '');
arcs.append("text")
.attr("dx", -1 * (innerRadius + ((radius - innerRadius) / 2)) + "px")
.attr("dy", "1.2em")
.attr("class", CLASS.chartArcsGaugeMin)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(__gauge_label_show ? __gauge_min : '');
arcs.append("text")
.attr("dx", innerRadius + ((radius - innerRadius) / 2) + "px")
.attr("dy", "1.2em")
.attr("class", CLASS.chartArcsGaugeMax)
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(__gauge_label_show ? __gauge_max : '');
}
main.select('.' + CLASS.chart).append("g")
.attr("class", CLASS.chartTexts);
// if zoom privileged, insert rect to forefront
main.insert('rect', __zoom_privileged ? null : 'g.' + CLASS.grid)
.attr('class', CLASS.zoomRect)
.attr('width', width)
.attr('height', height)
.style('opacity', 0)
.style('cursor', __axis_rotated ? 'ns-resize' : 'ew-resize')
.on("dblclick.zoom", null);
// Set default extent if defined
if (__axis_x_default) {
brush.extent(typeof __axis_x_default !== 'function' ? __axis_x_default : __axis_x_default(getXDomain()));
}
// Add Axis
axes.x = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisX)
.attr("clip-path", clipPathForXAxis)
.attr("transform", translate.x)
.style("visibility", __axis_x_show ? 'visible' : 'hidden');
axes.x.append("text")
.attr("class", CLASS.axisXLabel)
.attr("transform", __axis_rotated ? "rotate(-90)" : "")
.style("text-anchor", textAnchorForXAxisLabel);
axes.y = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisY)
.attr("clip-path", clipPathForYAxis)
.attr("transform", translate.y)
.style("visibility", __axis_y_show ? 'visible' : 'hidden');
axes.y.append("text")
.attr("class", CLASS.axisYLabel)
.attr("transform", __axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", textAnchorForYAxisLabel);
axes.y2 = main.append("g")
.attr("class", CLASS.axis + ' ' + CLASS.axisY2)
// clip-path?
.attr("transform", translate.y2)
.style("visibility", __axis_y2_show ? 'visible' : 'hidden');
axes.y2.append("text")
.attr("class", CLASS.axisY2Label)
.attr("transform", __axis_rotated ? "" : "rotate(-90)")
.style("text-anchor", textAnchorForY2AxisLabel);
/*-- Context Region --*/
// Define g for chart area
context.append('g')
.attr("clip-path", clipPath)
.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)
.selectAll("rect")
.attr(__axis_rotated ? "width" : "height", __axis_rotated ? width2 : height2);
// ATTENTION: This must be called AFTER chart added
// Add Axis
axes.subx = context.append("g")
.attr("class", CLASS.axisX)
.attr("transform", translate.subx)
.attr("clip-path", __axis_rotated ? "" : clipPathForXAxis);
// Set targets
updateTargets(c3.data.targets);
// Draw with targets
if (binding) {
updateDimension();
redraw({
withTransform: true,
withUpdateXDomain: true,
withUpdateOrgXDomain: true,
withTransitionForAxis: false,
});
}
// Show tooltip if needed
if (__tooltip_init_show) {
if (isTimeSeries && typeof __tooltip_init_x === 'string') {
__tooltip_init_x = parseDate(__tooltip_init_x);
for (i = 0; i < c3.data.targets[0].values.length; i++) {
if ((c3.data.targets[0].values[i].x - __tooltip_init_x) === 0) { break; }
}
__tooltip_init_x = i;
}
tooltip.html(__tooltip_contents(c3.data.targets.map(function (d) {
return addName(d.values[__tooltip_init_x]);
}), getXAxisTickFormat(), getYFormat(hasArcType(c3.data.targets)), color));
tooltip.style("top", __tooltip_init_position.top)
.style("left", __tooltip_init_position.left)
.style("display", "block");
}
// Bind resize event
if (window.onresize == null) {
window.onresize = generateResize();
}
if (window.onresize.add) {
window.onresize.add(__onresize);
window.onresize.add(function () {
c3.flush();
});
window.onresize.add(__onresized);
}
// export element of the chart
c3.element = selectChart.node();
}
function generateEventRectsForSingleX(eventRectEnter) {
eventRectEnter.append("rect")
.attr("class", classEvent)
.style("cursor", __data_selection_enabled && __data_selection_grouped ? "pointer" : null)
.on('mouseover', function (d) {
var index = d.index, selectedData, newData;
if (dragging) { return; } // do nothing if dragging
if (hasArcType(c3.data.targets)) { return; }
selectedData = c3.data.targets.map(function (t) {
return addName(getValueOnIndex(t.values, index));
});
// Sort selectedData as names order
newData = [];
Object.keys(__data_names).forEach(function (id) {
for (var j = 0; j < selectedData.length; j++) {
if (selectedData[j] && selectedData[j].id === id) {
newData.push(selectedData[j]);
selectedData.shift(j);
break;
}
}
});
selectedData = newData.concat(selectedData); // Add remained
// Expand shapes for selection
if (__point_focus_expand_enabled) { expandCircles(index); }
expandBars(index);
// Call event handler
main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
__data_onmouseover(d);
});
})
.on('mouseout', function (d) {
var index = d.index;
if (hasArcType(c3.data.targets)) { return; }
hideXGridFocus();
hideTooltip();
// Undo expanded shapes
unexpandCircles(index);
unexpandBars();
// Call event handler
main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
__data_onmouseout(d);
});
})
.on('mousemove', function (d) {
var selectedData, index = d.index, eventRect = svg.select('.' + CLASS.eventRect + '-' + index);
if (dragging) { return; } // do nothing when dragging
if (hasArcType(c3.data.targets)) { return; }
// Show tooltip
selectedData = filterTargetsToShow(c3.data.targets).map(function (t) {
return addName(getValueOnIndex(t.values, index));
});
if (__tooltip_grouped) {
showTooltip(selectedData, d3.mouse(this));
showXGridFocus(selectedData);
}
if (__tooltip_grouped && (!__data_selection_enabled || __data_selection_grouped)) {
return;
}
main.selectAll('.' + CLASS.shape + '-' + index)
.each(function () {
d3.select(this).classed(CLASS.EXPANDED, true);
if (__data_selection_enabled) {
eventRect.style('cursor', __data_selection_grouped ? 'pointer' : null);
}
if (!__tooltip_grouped) {
hideXGridFocus();
hideTooltip();
if (!__data_selection_grouped) {
unexpandCircles(index);
unexpandBars();
}
}
})
.filter(function (d) {
if (this.nodeName === 'circle') {
return isWithinCircle(this, pointSelectR(d));
}
else if (this.nodeName === 'path') {
return isWithinBar(this);
}
})
.each(function (d) {
if (__data_selection_enabled && (__data_selection_grouped || __data_selection_isselectable(d))) {
eventRect.style('cursor', 'pointer');
}
if (!__tooltip_grouped) {
showTooltip([d], d3.mouse(this));
showXGridFocus([d]);
if (__point_focus_expand_enabled) { expandCircles(index, d.id); }
expandBars(index, d.id);
}
});
})
.on('click', function (d) {
var index = d.index;
if (hasArcType(c3.data.targets)) { return; }
if (cancelClick) {
cancelClick = false;
return;
}
main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) { toggleShape(this, d, index); });
})
.call(
d3.behavior.drag().origin(Object)
.on('drag', function () { drag(d3.mouse(this)); })
.on('dragstart', function () { dragstart(d3.mouse(this)); })
.on('dragend', function () { dragend(); })
)
.on("dblclick.zoom", null);
}
function generateEventRectsForMultipleXs(eventRectEnter) {
eventRectEnter.append('rect')
.attr('x', 0)
.attr('y', 0)
.attr('width', width)
.attr('height', height)
.attr('class', CLASS.eventRect)
.on('mouseout', function () {
if (hasArcType(c3.data.targets)) { return; }
hideXGridFocus();
hideTooltip();
unexpandCircles();
})
.on('mousemove', function () {
var targetsToShow = filterTargetsToShow(c3.data.targets);
var mouse, closest, sameXData, selectedData;
if (dragging) { return; } // do nothing when dragging
if (hasArcType(targetsToShow)) { return; }
mouse = d3.mouse(this);
closest = findClosestFromTargets(targetsToShow, mouse);
if (! closest) { return; }
if (isScatterType(closest)) {
sameXData = [closest];
} else {
sameXData = filterSameX(targetsToShow, closest.x);
}
// show tooltip when cursor is close to some point
selectedData = sameXData.map(function (d) {
return addName(d);
});
showTooltip(selectedData, mouse);
// expand points
if (__point_focus_expand_enabled) {
unexpandCircles();
expandCircles(closest.index, closest.id);
}
// Show xgrid focus line
showXGridFocus(selectedData);
// Show cursor as pointer if point is close to mouse position
if (dist(closest, mouse) < 100) {
svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
if (!mouseover) {
__data_onmouseover(closest);
mouseover = true;
}
} else {
svg.select('.' + CLASS.eventRect).style('cursor', null);
__data_onmouseout(closest);
mouseover = false;
}
})
.on('click', function () {
var targetsToShow = filterTargetsToShow(c3.data.targets);
var mouse, closest;
if (hasArcType(targetsToShow)) { return; }
mouse = d3.mouse(this);
closest = findClosestFromTargets(targetsToShow, mouse);
if (! closest) { return; }
// select if selection enabled
if (dist(closest, mouse) < 100) {
main.select('.' + CLASS.circles + '-' + getTargetSelectorSuffix(closest.id)).select('.' + CLASS.circle + '-' + closest.index).each(function () {
toggleShape(this, closest, closest.index);
});
}
})
.call(
d3.behavior.drag().origin(Object)
.on('drag', function () { drag(d3.mouse(this)); })
.on('dragstart', function () { dragstart(d3.mouse(this)); })
.on('dragend', function () { dragend(); })
)
.on("dblclick.zoom", null);
}
function toggleShape(that, d, i) {
var shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), isWithin, toggle;
if (that.nodeName === 'circle') {
isWithin = isWithinCircle(that, pointSelectR(d) * 1.5);
toggle = togglePoint;
}
else if (that.nodeName === 'path') {
if (shape.classed(CLASS.bar)) {
isWithin = isWithinBar(that);
toggle = toggleBar;
} else { // would be arc
isWithin = true;
toggle = toggleArc;
}
}
if (__data_selection_grouped || isWithin) {
if (__data_selection_enabled && __data_selection_isselectable(d)) {
if (!__data_selection_multiple) {
main.selectAll('.' + CLASS.shapes + (__data_selection_grouped ? getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.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);
}
__data_onclick(d, that);
}
}
function drag(mouse) {
var sx, sy, mx, my, minX, maxX, minY, maxY;
if (hasArcType(c3.data.targets)) { return; }
if (! __data_selection_enabled) { return; } // do nothing if not selectable
if (__zoom_enabled && ! zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
if (!__data_selection_multiple) { return; } // skip when single selection becuase 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 = (__data_selection_grouped) ? margin.top : Math.min(sy, my);
maxY = (__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 __data_selection_isselectable(d); })
.each(function (d, i) {
var shape = d3.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 = toggleBar;
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(!isSelected, shape, d, i);
}
});
}
function dragstart(mouse) {
if (hasArcType(c3.data.targets)) { return; }
if (! __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;
__data_ondragstart();
}
function dragend() {
if (hasArcType(c3.data.targets)) { return; }
if (! __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;
__data_ondragend();
}
function smoothLines(el, type) {
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),
});
});
}
}
function redraw(options, transitions) {
var xgrid, xgridAttr, xgridData, xgridLines, xgridLine, ygrid, ygridLines, ygridLine, flushXGrid;
var mainLine, mainArea, mainCircle, mainBar, mainArc, mainRegion, mainText, contextLine, contextArea, contextBar, eventRect, eventRectUpdate;
var areaIndices = getShapeIndices(isAreaType), barIndices = getShapeIndices(isBarType), lineIndices = getShapeIndices(isLineType), maxDataCountTarget, tickOffset;
var rectX, rectW;
var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis, withTransform, withUpdateXDomain, withUpdateOrgXDomain, withLegend;
var hideAxis = hasArcType(c3.data.targets);
var drawArea, drawAreaOnSub, drawBar, drawBarOnSub, drawLine, drawLineOnSub, xForText, yForText;
var duration, durationForExit, durationForAxis, waitForDraw = generateWait();
var targetsToShow = filterTargetsToShow(c3.data.targets), tickValues, i, intervalForCulling;
xgrid = xgridLines = mainCircle = mainText = getEmptySelection();
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);
withLegend = getOption(options, "withLegend", false);
withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);
duration = withTransition ? __transition_duration : 0;
durationForExit = withTransitionForExit ? duration : 0;
durationForAxis = withTransitionForAxis ? duration : 0;
transitions = transitions || generateAxisTransitions(durationForAxis);
// update legend and transform each g
if (withLegend && __legend_show) {
updateLegend(mapToIds(c3.data.targets), options, transitions);
}
// 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);
// update axis tick values according to options
if (!__axis_x_tick_values && (__axis_x_tick_fit || __axis_x_tick_count)) {
tickValues = generateTickValues(mapTargetsToUniqueXs(targetsToShow), __axis_x_tick_count);
xAxis.tickValues(tickValues);
subXAxis.tickValues(tickValues);
}
} else {
xAxis.tickValues([]);
subXAxis.tickValues([]);
}
y.domain(getYDomain(targetsToShow, 'y'));
y2.domain(getYDomain(targetsToShow, 'y2'));
// axes
axes.x.style("opacity", hideAxis ? 0 : 1);
axes.y.style("opacity", hideAxis ? 0 : 1);
axes.y2.style("opacity", hideAxis ? 0 : 1);
axes.subx.style("opacity", hideAxis ? 0 : 1);
transitions.axisX.call(xAxis);
transitions.axisY.call(yAxis);
transitions.axisY2.call(y2Axis);
transitions.axisSubX.call(subXAxis);
// Update axis label
updateAxisLabels(withTransition);
// show/hide if manual culling needed
if (withUpdateXDomain && targetsToShow.length) {
if (__axis_x_tick_culling && tickValues) {
for (i = 1; i < tickValues.length; i++) {
if (tickValues.length / i < __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.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
}
});
} else {
svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
}
}
// rotate tick text if needed
if (!__axis_rotated && __axis_x_tick_rotate) {
rotateTickText(axes.x, transitions.axisX, __axis_x_tick_rotate);
}
// setup drawer - MEMO: these must be called after axis updated
drawArea = generateDrawArea(areaIndices, false);
drawBar = generateDrawBar(barIndices);
drawLine = generateDrawLine(lineIndices, false);
xForText = generateXYForText(barIndices, true);
yForText = generateXYForText(barIndices, false);
// Update sub domain
subY.domain(y.domain());
subY2.domain(y2.domain());
// tooltip
tooltip.style("display", "none");
// 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(__data_empty_label_text)
.transition()
.style('opacity', targetsToShow.length ? 0 : 1);
// grid
main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
if (__grid_x_show) {
xgridAttr = __axis_rotated ? {
'x1': 0,
'x2': width,
'y1': function (d) { return x(d) - tickOffset; },
'y2': function (d) { return x(d) - tickOffset; }
} : {
'x1': function (d) { return x(d) + tickOffset; },
'x2': function (d) { return x(d) + tickOffset; },
'y1': margin.top,
'y2': height
};
// this is used to flow
flushXGrid = function (withoutUpdate) {
xgridData = generateGridData(__grid_x_type, x);
tickOffset = isCategorized ? xAxis.tickOffset() : 0;
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.select(this).attr(__axis_rotated ? 'y1' : 'x1') === (__axis_rotated ? height : 0) ? 0 : 1; });
}
xgrid.exit().remove();
};
flushXGrid();
}
xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
.data(__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", "end")
.attr("transform", __axis_rotated ? "" : "rotate(-90)")
.attr('dx', __axis_rotated ? 0 : -margin.top)
.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 (withY && __grid_y_show) {
ygrid = main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
.data(y.ticks(__grid_y_ticks));
ygrid.enter().append('line')
.attr('class', CLASS.ygrid);
ygrid.attr("x1", __axis_rotated ? y : 0)
.attr("x2", __axis_rotated ? y : width)
.attr("y1", __axis_rotated ? 0 : y)
.attr("y2", __axis_rotated ? height : y);
ygrid.exit().remove();
smoothLines(ygrid, 'grid');
}
if (withY) {
ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
.data(__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", "end")
.attr("transform", __axis_rotated ? "rotate(-90)" : "")
.attr('dx', __axis_rotated ? 0 : -margin.top)
.attr('dy', -5)
.style("opacity", 0);
// update
ygridLines.select('line')
.transition().duration(duration)
.attr("x1", __axis_rotated ? yv : 0)
.attr("x2", __axis_rotated ? yv : width)
.attr("y1", __axis_rotated ? 0 : yv)
.attr("y2", __axis_rotated ? height : yv)
.style("opacity", 1);
ygridLines.select('text')
.transition().duration(duration)
.attr("x", __axis_rotated ? 0 : width)
.attr("y", yv)
.text(function (d) { return d.text; })
.style("opacity", 1);
// exit
ygridLines.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
}
// rect for regions
mainRegion = main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
.data(__regions);
mainRegion.enter().append('g')
.attr('class', classRegion)
.append('rect')
.style("fill-opacity", 0);
mainRegion.exit().transition().duration(duration)
.style("opacity", 0)
.remove();
// bars
mainBar = main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
.data(barData);
mainBar.enter().append('path')
.attr("class", classBar)
.style("stroke", function (d) { return color(d.id); })
.style("fill", function (d) { return color(d.id); });
mainBar
.style("opacity", initialOpacity);
mainBar.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
// lines, areas and cricles
mainLine = main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
.data(lineData);
mainLine.enter().append('path')
.attr('class', classLine)
.style("stroke", color);
mainLine
.style("opacity", initialOpacity)
.attr('transform', null);
mainLine.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
mainArea = main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
.data(lineData);
mainArea.enter().append('path')
.attr("class", classArea)
.style("fill", color)
.style("opacity", function () { orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
mainArea
.style("opacity", orgAreaOpacity);
mainArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
if (__point_show) {
mainCircle = main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
.data(lineOrScatterData);
mainCircle.enter().append("circle")
.attr("class", classCircle)
.attr("r", pointR)
.style("fill", color);
mainCircle
.style("opacity", initialOpacity);
mainCircle.exit().remove();
}
if (hasDataLabel()) {
mainText = main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
.data(barOrLineData);
mainText.enter().append('text')
.attr("class", classText)
.attr('text-anchor', function (d) { return __axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; })
.style("stroke", 'none')
.style("fill", color)
.style("fill-opacity", 0);
mainText
.text(function (d) { return formatByAxisId(getAxisId(d.id))(d.value, d.id); });
mainText.exit()
.transition().duration(durationForExit)
.style('fill-opacity', 0)
.remove();
}
// arc
mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc)
.data(arcData);
mainArc.enter().append('path')
.attr("class", classArc)
.style("fill", function (d) { return color(d.data); })
.style("cursor", function (d) { return __data_selection_isselectable(d) ? "pointer" : null; })
.style("opacity", 0)
.each(function (d) {
if (isGaugeType(d.data)) {
d.startAngle = d.endAngle = -1 * (Math.PI / 2);
}
this._current = d;
})
.on('mouseover', function (d, i) {
var updated, arcData, callback;
if (transiting) { // skip while transiting
return;
}
updated = updateAngle(d);
arcData = convertToArcData(updated);
callback = getArcOnMouseOver();
// transitions
expandArc(updated.data.id);
toggleFocusLegend(updated.data.id, true);
callback(arcData, i);
})
.on('mousemove', function (d) {
var updated = updateAngle(d), arcData = convertToArcData(updated), selectedData = [arcData];
showTooltip(selectedData, d3.mouse(this));
})
.on('mouseout', function (d, i) {
var updated, arcData, callback;
if (transiting) { // skip while transiting
return;
}
updated = updateAngle(d);
arcData = convertToArcData(updated);
callback = getArcOnMouseOut();
// transitions
unexpandArc(updated.data.id);
revertLegend();
hideTooltip();
callback(arcData, i);
})
.on('click', function (d, i) {
var updated = updateAngle(d), arcData = convertToArcData(updated), callback = getArcOnClick();
toggleShape(this, d, i);
callback(arcData, i);
});
mainArc
.attr("transform", function (d) { return !isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
.style("opacity", function (d) { return d === this._current ? 0 : 1; })
.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.endAngle)) {
this._current.endAngle = this._current.startAngle;
}
interpolate = d3.interpolate(this._current, updated);
this._current = interpolate(0);
return function (t) { return getArc(interpolate(t), 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)
.attr("transform", transformForArcLabel)
.transition().duration(duration)
.style("opacity", function (d) { return isTargetToShow(d.data.id) && isArcType(d.data) ? 1 : 0; });
main.select('.' + CLASS.chartArcsTitle)
.style("opacity", hasDonutType(c3.data.targets) || hasGaugeType(c3.data.targets) ? 1 : 0);
// subchart
if (__subchart_show) {
// reflect main chart to extent on subchart if zoomed
if (d3.event && d3.event.type === 'zoom') {
brush.extent(x.orgDomain()).update();
}
// update subchart elements if needed
if (withSubchart) {
// rotate tick text if needed
if (!__axis_rotated && __axis_x_tick_rotate) {
rotateTickText(axes.subx, transitions.axisSubX, __axis_x_tick_rotate);
}
// 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);
// bars
contextBar = context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
.data(barData);
contextBar.enter().append('path')
.attr("class", classBar)
.style("stroke", 'none')
.style("fill", color);
contextBar
.style("opacity", initialOpacity)
.transition().duration(duration)
.attr('d', drawBarOnSub)
.style('opacity', 1);
contextBar.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// lines
contextLine = context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
.data(lineData);
contextLine.enter().append('path')
.attr('class', classLine)
.style('stroke', color);
contextLine
.style("opacity", initialOpacity)
.transition().duration(duration)
.attr("d", drawLineOnSub)
.style('opacity', 1);
contextLine.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// area
contextArea = context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
.data(lineData);
contextArea.enter().append('path')
.attr("class", classArea)
.style("fill", color)
.style("opacity", function () { orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
contextArea
.style("opacity", 0)
.transition().duration(duration)
.attr("d", drawAreaOnSub)
.style("fill", color)
.style("opacity", orgAreaOpacity);
contextArea.exit().transition().duration(durationForExit)
.style('opacity', 0)
.remove();
}
}
// circles for select
main.selectAll('.' + CLASS.selectedCircles)
.filter(function (d) { return isBarType(d); })
.selectAll('circle')
.remove();
if (__interaction_enabled) {
// rect for mouseover
eventRect = main.select('.' + CLASS.eventRects)
.style('cursor', __zoom_enabled ? __axis_rotated ? 'ns-resize' : 'ew-resize' : null);
if (notEmpty(__data_xs) && !isSingleX(__data_xs)) {
if (!eventRect.classed(CLASS.eventRectsMultiple)) {
eventRect.classed(CLASS.eventRectsMultiple, true).classed(CLASS.eventRectsSingle, false)
.selectAll('.' + CLASS.eventRect).remove();
}
eventRectUpdate = main.select('.' + CLASS.eventRects).selectAll('.' + CLASS.eventRect)
.data([0]);
// enter : only one rect will be added
generateEventRectsForMultipleXs(eventRectUpdate.enter());
// update
eventRectUpdate
.attr('x', 0)
.attr('y', 0)
.attr('width', width)
.attr('height', height);
// exit : not needed becuase always only one rect exists
} else {
if (!eventRect.classed(CLASS.eventRectsSingle)) {
eventRect.classed(CLASS.eventRectsMultiple, false).classed(CLASS.eventRectsSingle, true)
.selectAll('.' + CLASS.eventRect).remove();
}
if ((isCustomX() || isTimeSeries) && !isCategorized) {
rectW = function (d) {
var prevX = getPrevX(d.index), nextX = getNextX(d.index), dx = c3.data.xs[d.id][d.index],
w = (x(nextX ? nextX : dx) - x(prevX ? prevX : dx)) / 2;
return w < 0 ? 0 : w;
};
rectX = function (d) {
var prevX = getPrevX(d.index), dx = c3.data.xs[d.id][d.index];
return (x(dx) + x(prevX ? prevX : dx)) / 2;
};
} else {
rectW = getEventRectWidth();
rectX = function (d) {
return x(d.x) - (rectW / 2);
};
}
// Set data
maxDataCountTarget = getMaxDataCountTarget(c3.data.targets);
main.select('.' + CLASS.eventRects)
.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
// Update rects
eventRectUpdate = main.select('.' + CLASS.eventRects).selectAll('.' + CLASS.eventRect)
.data(function (d) { return d; });
// enter
generateEventRectsForSingleX(eventRectUpdate.enter());
// update
eventRectUpdate
.attr('class', classEvent)
.attr("x", __axis_rotated ? 0 : rectX)
.attr("y", __axis_rotated ? rectX : 0)
.attr("width", __axis_rotated ? width : rectW)
.attr("height", __axis_rotated ? rectW : height);
// exit
eventRectUpdate.exit().remove();
}
}
// transition should be derived from one transition
d3.transition().duration(duration).each(function () {
waitForDraw.add(mainBar.transition()
.attr('d', drawBar)
.style("fill", color)
.style("opacity", 1));
waitForDraw.add(mainLine.transition()
.attr("d", drawLine)
.style("stroke", color)
.style("opacity", 1));
waitForDraw.add(mainArea.transition()
.attr("d", drawArea)
.style("fill", color)
.style("opacity", orgAreaOpacity));
waitForDraw.add(mainCircle.transition()
.style('opacity', opacityForCircle)
.style("fill", color)
.attr("cx", __axis_rotated ? circleY : circleX)
.attr("cy", __axis_rotated ? circleX : circleY));
waitForDraw.add(main.selectAll('.' + CLASS.selectedCircle).transition()
.attr("cx", __axis_rotated ? circleY : circleX)
.attr("cy", __axis_rotated ? circleX : circleY));
waitForDraw.add(mainText.transition()
.attr('x', xForText)
.attr('y', yForText)
.style("fill", color)
.style("fill-opacity", options.flow ? 0 : opacityForText));
waitForDraw.add(mainRegion.selectAll('rect').transition()
.attr("x", regionX)
.attr("y", regionY)
.attr("width", regionWidth)
.attr("height", regionHeight)
.style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; }));
waitForDraw.add(xgridLines.select('line').transition()
.attr("x1", __axis_rotated ? 0 : xv)
.attr("x2", __axis_rotated ? width : xv)
.attr("y1", __axis_rotated ? xv : margin.top)
.attr("y2", __axis_rotated ? xv : height)
.style("opacity", 1));
waitForDraw.add(xgridLines.select('text').transition()
.attr("x", __axis_rotated ? width : 0)
.attr("y", xv)
.text(function (d) { return d.text; })
.style("opacity", 1));
})
.call(waitForDraw, options.flow ? function () { // only for flow
var translateX, scaleX = 1, transform,
flowIndex = options.flow.index,
flowLength = options.flow.length,
flowStart = getValueOnIndex(c3.data.targets[0].values, flowIndex),
flowEnd = getValueOnIndex(c3.data.targets[0].values, flowIndex + flowLength),
orgDomain = x.domain(), domain,
durationForFlow = options.flow.duration || duration,
done = options.flow.done || function () {},
wait = generateWait();
// remove head data after rendered
c3.data.targets.forEach(function (d) {
d.values.splice(0, flowLength);
});
// update x domain to generate axis elements for flow
domain = updateXDomain(targetsToShow, true, true);
// update elements related to x scale
if (flushXGrid) { flushXGrid(true); }
// generate transform to flow
if (!options.flow.orgDataCount) { // if empty
if (c3.data.targets[0].values.length !== 1) {
translateX = x(orgDomain[0]) - x(domain[0]);
} else {
if (isTimeSeries) {
flowStart = getValueOnIndex(c3.data.targets[0].values, 0);
flowEnd = getValueOnIndex(c3.data.targets[0].values, c3.data.targets[0].values.length - 1);
translateX = x(flowStart.x) - x(flowEnd.x);
} else {
translateX = diffDomain(domain) / 2;
}
}
} else if (options.flow.orgDataCount === 1 || flowStart.x === 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)';
d3.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", __axis_rotated ? 0 : xv)
.attr("x2", __axis_rotated ? width : xv);
xgridLines.select('text')
.attr("x", __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", __axis_rotated ? circleY : circleX)
.attr("cy", __axis_rotated ? circleX : circleY);
mainText
.attr('transform', null)
.attr('x', xForText)
.attr('y', yForText)
.style('fill-opacity', opacityForText);
mainRegion
.attr('transform', null);
mainRegion.select('rect').filter(isRegionOnX)
.attr("x", regionX)
.attr("width", regionWidth);
eventRectUpdate
.attr("x", __axis_rotated ? 0 : rectX)
.attr("y", __axis_rotated ? rectX : 0)
.attr("width", __axis_rotated ? width : rectW)
.attr("height", __axis_rotated ? rectW : height);
// callback for end of flow
done();
});
} : null);
// update fadein condition
mapToIds(c3.data.targets).forEach(function (id) {
withoutFadeIn[id] = true;
});
updateZoom();
}
function redrawForBrush() {
redraw({
withTransition: false,
withY: false,
withSubchart: false,
withUpdateXDomain: true
});
}
function redrawForZoom() {
if (!__zoom_enabled) {
return;
}
if (filterTargetsToShow(c3.data.targets).length === 0) {
return;
}
if (d3.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: false,
withSubchart: false
});
if (d3.event.sourceEvent.type === 'mousemove') {
cancelClick = true;
}
}
function generateResize() {
var resizeFunctions = [];
function callResizeFunctions() {
resizeFunctions.forEach(function (f) {
f();
});
}
callResizeFunctions.add = function (f) {
resizeFunctions.push(f);
};
return callResizeFunctions;
}
function updateSvgSize() {
svg.attr('width', currentWidth).attr('height', currentHeight);
svg.select('#' + clipId).select('rect')
.attr('width', width)
.attr('height', height);
svg.select('#' + clipIdForXAxis).select('rect')
.attr('x', getXAxisClipX)
.attr('y', getXAxisClipY)
.attr('width', getXAxisClipWidth)
.attr('height', getXAxisClipHeight);
svg.select('#' + clipIdForYAxis).select('rect')
.attr('x', getYAxisClipX)
.attr('y', getYAxisClipY)
.attr('width', getYAxisClipWidth)
.attr('height', getYAxisClipHeight);
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");
}
function generateAxisTransitions(duration) {
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,
};
}
function updateAndRedraw(options) {
var 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;
// 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 && __legend_show)) {
transitions = generateAxisTransitions(options.withTransitionForAxis ? __transition_duration : 0);
// Update scales
updateScales();
updateSvgSize();
// Update g positions
transformAll(options.withTransition, transitions);
}
// Draw with new sizes & scales
redraw(options, transitions);
}
function updateTargets(targets) {
var mainLineEnter, mainLineUpdate, mainBarEnter, mainBarUpdate, mainPieEnter, mainPieUpdate, mainTextUpdate, mainTextEnter;
var contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate;
/*-- Main --*/
//-- Text --//
mainTextUpdate = main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
.data(targets)
.attr('class', classChartText);
mainTextEnter = mainTextUpdate.enter().append('g')
.attr('class', classChartText)
.style('opacity', 0)
.style("pointer-events", "none");
mainTextEnter.append('g')
.attr('class', classTexts);
//-- Bar --//
mainBarUpdate = main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
.data(targets)
.attr('class', classChartBar);
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 __data_selection_isselectable(d) ? "pointer" : null; });
//-- Line --//
mainLineUpdate = main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
.data(targets)
.attr('class', classChartLine);
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 __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();
//-- Pie --//
mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
.data(pie(targets))
.attr("class", classChartArc);
mainPieEnter = mainPieUpdate.enter().append("g")
.attr("class", classChartArc);
mainPieEnter.append('g')
.attr('class', classArcs);
mainPieEnter.append("text")
.attr("dy", hasGaugeType(c3.data.targets) ? "-0.35em" : ".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();
/*-- Context --*/
if (__subchart_show) {
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);
}
/*-- Show --*/
// Fade-in each chart
svg.selectAll('.' + CLASS.target).filter(function (d) { return isTargetToShow(d.id); })
.transition().duration(__transition_duration)
.style("opacity", 1);
}
function load(targets, args) {
// 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) {
args.types ? setTargetType(t.id, args.types[t.id]) : setTargetType(t.id, args.type);
});
}
// Update/Add data
c3.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;
}
}
});
c3.data.targets = c3.data.targets.concat(targets); // add remained
// Set targets
updateTargets(c3.data.targets);
// Redraw with new targets
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
if (typeof args.done === 'function') {
args.done();
}
}
function loadFromArgs(args) {
// load data
if ('data' in args) {
load(convertDataToTargets(args.data), args);
}
else if ('url' in args) {
d3.csv(args.url, function (error, data) {
load(convertDataToTargets(data), args);
});
}
else if ('rows' in args) {
load(convertDataToTargets(convertRowsToData(args.rows)), args);
}
else if ('columns' in args) {
load(convertDataToTargets(convertColumnsToData(args.columns)), args);
}
else {
throw Error('url or rows or columns is required.');
}
}
function unload(targetIds, done) {
if (typeof done !== 'function') {
done = function () {};
}
// filter existing target
targetIds = targetIds.filter(function (id) { return hasTarget(c3.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
legend.selectAll('.' + CLASS.legendItem + getTargetSelectorSuffix(id)).remove();
// Remove target
c3.data.targets = c3.data.targets.filter(function (t) {
return t.id !== id;
});
});
}
/*-- Draw Legend --*/
function opacityForLegend(legendItem) {
return legendItem.classed(CLASS.legendItemHidden) ? legendOpacityForHidden : 1;
}
function opacityForUnfocusedLegend(legendItem) {
return legendItem.classed(CLASS.legendItemHidden) ? legendOpacityForHidden : 0.3;
}
function toggleFocusLegend(id, focus) {
legend.selectAll('.' + CLASS.legendItem)
.transition().duration(100)
.style('opacity', function (_id) {
var This = d3.select(this);
if (id && _id !== id) {
return focus ? opacityForUnfocusedLegend(This) : opacityForLegend(This);
} else {
return focus ? opacityForLegend(This) : opacityForUnfocusedLegend(This);
}
});
}
function revertLegend() {
legend.selectAll('.' + CLASS.legendItem)
.transition().duration(100)
.style('opacity', function () { return opacityForLegend(d3.select(this)); });
}
function showLegend(targetIds) {
if (!__legend_show) {
__legend_show = true;
legend.style('visibility', 'visible');
}
removeHiddenLegendIds(targetIds);
legend.selectAll(selectorLegends(targetIds))
.style('visibility', 'visible')
.transition()
.style('opacity', function () { return opacityForLegend(d3.select(this)); });
}
function hideLegend(targetIds) {
if (__legend_show && isEmpty(targetIds)) {
__legend_show = false;
legend.style('visibility', 'hidden');
}
addHiddenLegendIds(targetIds);
legend.selectAll(selectorLegends(targetIds))
.style('opacity', 0)
.style('visibility', 'hidden');
}
function updateLegend(targetIds, options, transitions) {
var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect;
var paddingTop = 4, paddingRight = 36, maxWidth = 0, maxHeight = 0, posMin = 10;
var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
var withTransition, withTransitionForTransform;
var hasFocused = legend.selectAll('.' + CLASS.legendItemFocused).size();
var texts, rects, tiles;
options = options || {};
withTransition = getOption(options, "withTransition", true);
withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
function updatePositions(textElement, id, reset) {
var box = getTextRect(textElement.textContent, CLASS.legendItem),
itemWidth = Math.ceil((box.width + paddingRight) / 10) * 10,
itemHeight = Math.ceil((box.height + paddingTop) / 10) * 10,
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 (__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 (__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 (isLegendRight) {
xForLegend = function (id) { return maxWidth * steps[id]; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else if (isLegendInset) {
xForLegend = function (id) { return maxWidth * steps[id] + 10; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else {
xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
yForLegend = function (id) { return maxHeight * steps[id]; };
}
xForLegendText = function (id, i) { return xForLegend(id, i) + 14; };
yForLegendText = function (id, i) { return yForLegend(id, i) + 9; };
xForLegendRect = function (id, i) { return xForLegend(id, i) - 4; };
yForLegendRect = function (id, i) { return yForLegend(id, i) - 7; };
// 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) {
typeof __legend_item_onclick === 'function' ? __legend_item_onclick(id) : c3.toggle(id);
})
.on('mouseover', function (id) {
d3.select(this).classed(CLASS.legendItemFocused, true);
if (!transiting) {
c3.focus(id);
}
if (typeof __legend_item_onmouseover === 'function') {
__legend_item_onmouseover(id);
}
})
.on('mouseout', function (id) {
d3.select(this).classed(CLASS.legendItemFocused, false);
if (!transiting) {
c3.revert();
}
if (typeof __legend_item_onmouseout === 'function') {
__legend_item_onmouseout(id);
}
});
l.append('text')
.text(function (id) { return isDefined(__data_names[id]) ? __data_names[id] : id; })
.each(function (id, i) { updatePositions(this, id, i === 0); })
.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('rect')
.attr("class", CLASS.legendItemTile)
.style("pointer-events", "none")
.style('fill', color)
.attr('x', isLegendRight || isLegendInset ? xForLegendText : -200)
.attr('y', isLegendRight || isLegendInset ? -200 : yForLegend)
.attr('width', 10)
.attr('height', 10);
// Set background for inset legend
if (isLegendInset && maxWidth !== 0) {
legend.insert('g', '.' + CLASS.legendItem)
.attr("class", CLASS.legendBackground)
.append('rect')
.attr('height', getLegendHeight() - 10)
.attr('width', maxWidth * (step + 1) + 10);
}
texts = legend.selectAll('text')
.data(targetIds)
.text(function (id) { return isDefined(__data_names[id]) ? __data_names[id] : id; }) // MEMO: needed for update
.each(function (id, i) { updatePositions(this, id, i === 0); });
(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('rect.' + CLASS.legendItemTile)
.data(targetIds);
(withTransition ? tiles.transition() : tiles)
.style('fill', color)
.attr('x', xForLegend)
.attr('y', yForLegend);
// toggle legend state
legend.selectAll('.' + CLASS.legendItem)
.classed(CLASS.legendItemHidden, function (id) { return !isTargetToShow(id); })
.transition()
.style('opacity', function (id) {
var This = d3.select(this);
if (isTargetToShow(id)) {
return !hasFocused || This.classed(CLASS.legendItemFocused) ? opacityForLegend(This) : opacityForUnfocusedLegend(This);
} else {
return legendOpacityForHidden;
}
});
// 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);
}
/*-- Event Handling --*/
function isNoneArc(d) {
return hasTarget(c3.data.targets, d.id);
}
function isArc(d) {
return 'data' in d && hasTarget(c3.data.targets, d.data.id);
}
function getGridFilterToRemove(params) {
return params ? function (line) {
var found = false;
[].concat(params).forEach(function (param) {
if ((('value' in param && line.value === params.value) || ('class' in param && line.class === params.class))) {
found = true;
}
});
return found;
} : function () { return true; };
}
function removeGridLines(params, forX) {
var toRemove = getGridFilterToRemove(params),
toShow = function (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(__transition_duration)
.style('opacity', 0).remove();
if (forX) {
__grid_x_lines = __grid_x_lines.filter(toShow);
} else {
__grid_y_lines = __grid_y_lines.filter(toShow);
}
}
function transformTo(targetIds, type, optionsForRedraw) {
var withTransitionForAxis = !hasArcType(c3.data.targets);
transiting = false;
setTargetType(targetIds, type);
updateAndRedraw(optionsForRedraw || {withTransitionForAxis: withTransitionForAxis});
}
c3.focus = function (targetId) {
var candidates = svg.selectAll(selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(isNoneArc),
candidatesForArc = candidates.filter(isArc);
function focus(targets) {
filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
c3.revert();
c3.defocus();
focus(candidatesForNoneArc.classed(CLASS.focused, true));
focus(candidatesForArc);
if (hasArcType(c3.data.targets)) {
expandArc(targetId, true);
}
toggleFocusLegend(targetId, true);
};
c3.defocus = function (targetId) {
var candidates = svg.selectAll(selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(isNoneArc),
candidatesForArc = candidates.filter(isArc);
function defocus(targets) {
filterTargetsToShow(targets).transition().duration(100).style('opacity', 0.3);
}
c3.revert();
defocus(candidatesForNoneArc.classed(CLASS.focused, false));
defocus(candidatesForArc);
if (hasArcType(c3.data.targets)) {
unexpandArc(targetId);
}
toggleFocusLegend(targetId, false);
};
c3.revert = function (targetId) {
var candidates = svg.selectAll(selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(isNoneArc),
candidatesForArc = candidates.filter(isArc);
function revert(targets) {
filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
revert(candidatesForNoneArc.classed(CLASS.focused, false));
revert(candidatesForArc);
if (hasArcType(c3.data.targets)) {
unexpandArc(targetId);
}
revertLegend();
};
c3.show = function (targetIds, options) {
targetIds = mapToTargetIds(targetIds);
options = options || {};
removeHiddenTargetIds(targetIds);
svg.selectAll(selectorTargets(targetIds))
.transition()
.style('opacity', 1);
if (options.withLegend) {
showLegend(targetIds);
}
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3.hide = function (targetIds, options) {
targetIds = mapToTargetIds(targetIds);
options = options || {};
addHiddenTargetIds(targetIds);
svg.selectAll(selectorTargets(targetIds))
.transition()
.style('opacity', 0);
if (options.withLegend) {
hideLegend(targetIds);
}
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3.toggle = function (targetId) {
isTargetToShow(targetId) ? c3.hide(targetId) : c3.show(targetId);
};
c3.unzoom = function () {
brush.clear().update();
redraw({withUpdateXDomain: true});
};
c3.zoom = function () {
};
c3.zoom.enable = function (enabled) {
__zoom_enabled = enabled;
updateAndRedraw();
};
c3.load = function (args) {
// update xs if specified
if (args.xs) {
addXs(args.xs);
}
// update classes if exists
if ('classes' in args) {
Object.keys(args.classes).forEach(function (id) {
__data_classes[id] = args.classes[id];
});
}
// update categories if exists
if ('categories' in args && isCategorized) {
__axis_x_categories = args.categories;
}
// 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.unload = function (targetIds, done) {
unload(mapToTargetIds(targetIds), function () {
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
if (typeof done === 'function') { done(); }
});
};
c3.flow = function (args) {
var targets = convertDataToTargets(convertColumnsToData(args.columns), true), notfoundIds = [],
orgDataCount = getMaxDataCount(), dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;
// Update/Add data
c3.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
c3.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 (c3.data.targets.length) {
targets.forEach(function (t) {
var i, missing = [];
for (i = c3.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);
});
}
c3.data.targets = c3.data.targets.concat(targets); // add remained
// check data count becuase behavior needs to change when it's only one
dataCount = getMaxDataCount();
baseTarget = c3.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(c3.data.targets)[0];
}
} else {
diff = 1;
}
domain = [baseValue.x - diff, baseValue.x];
updateXDomain(null, true, true, 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, domain);
}
}
// Set targets
updateTargets(c3.data.targets);
// Redraw with new targets
redraw({
flow: {
index: baseValue.index,
length: length,
duration: isValue(args.duration) ? args.duration : __transition_duration,
done: args.done,
orgDataCount: orgDataCount,
},
withLegend: true,
withTransition: orgDataCount > 1,
});
};
c3.selected = function (targetId) {
return d3.merge(
main.selectAll('.' + CLASS.shapes + getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape)
.filter(function () { return d3.select(this).classed(CLASS.SELECTED); })
.map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); })
);
};
c3.select = function (ids, indices, resetOther) {
if (! __data_selection_enabled) { return; }
main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = getToggle(this),
isTargetId = __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 (__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.unselect = function (ids, indices) {
if (! __data_selection_enabled) { return; }
main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = getToggle(this),
isTargetId = __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 (__data_selection_isselectable(d)) {
if (isSelected) {
toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
}
}
}
});
};
c3.transform = function (type, targetIds) {
var options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
transformTo(targetIds, type, options);
};
c3.groups = function (groups) {
if (isUndefined(groups)) { return __data_groups; }
__data_groups = groups;
redraw();
return __data_groups;
};
c3.xgrids = function (grids) {
if (! grids) { return __grid_x_lines; }
__grid_x_lines = grids;
redraw();
return __grid_x_lines;
};
c3.xgrids.add = function (grids) {
if (! grids) { return; }
return c3.xgrids(__grid_x_lines.concat(grids));
};
c3.xgrids.remove = function (params) { // TODO: multiple
removeGridLines(params, true);
};
c3.ygrids = function (grids) {
if (! grids) { return __grid_y_lines; }
__grid_y_lines = grids;
redraw();
return __grid_y_lines;
};
c3.ygrids.add = function (grids) {
if (! grids) { return; }
return c3.ygrids(__grid_y_lines.concat(grids));
};
c3.ygrids.remove = function (params) { // TODO: multiple
removeGridLines(params, false);
};
c3.regions = function (regions) {
if (!regions) { return __regions; }
__regions = regions;
redraw();
return __regions;
};
c3.regions.add = function (regions) {
if (!regions) { return __regions; }
__regions = __regions.concat(regions);
redraw();
return __regions;
};
c3.regions.remove = function (options) {
var duration, classes, regions;
options = options || {};
duration = getOption(options, "duration", __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();
__regions = __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 __regions;
};
c3.data.get = function (targetId) {
var target = c3.data.getAsTarget(targetId);
return isDefined(target) ? target.values.map(function (d) { return d.value; }) : undefined;
};
c3.data.getAsTarget = function (targetId) {
var targets = c3.data.targets.filter(function (t) { return t.id === targetId; });
return targets.length > 0 ? targets[0] : undefined;
};
c3.data.names = function (names) {
if (!arguments.length) { return __data_names; }
Object.keys(names).forEach(function (id) {
__data_names[id] = names[id];
});
redraw({withLegend: true});
return __data_names;
};
c3.data.colors = function (colors) {
if (!arguments.length) { return __data_colors; }
Object.keys(colors).forEach(function (id) {
__data_colors[id] = colors[id];
});
redraw({withLegend: true});
return __data_colors;
};
c3.color = color;
c3.x = function (x) {
if (arguments.length) {
updateTargetX(c3.data.targets, x);
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return c3.data.xs;
};
c3.xs = function (xs) {
if (arguments.length) {
updateTargetXs(c3.data.targets, xs);
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return c3.data.xs;
};
c3.axis.labels = function (labels) {
if (arguments.length) {
Object.keys(labels).forEach(function (axisId) {
setAxisLabelText(axisId, labels[axisId]);
});
updateAxisLabels();
}
// TODO: return some values?
};
c3.axis.max = function (max) {
if (arguments.length) {
if (typeof max === 'object') {
if (isValue(max.x)) { __axis_x_max = max.x; }
if (isValue(max.y)) { __axis_y_max = max.y; }
if (isValue(max.y2)) { __axis_y2_max = max.y2; }
} else {
__axis_y_max = __axis_y2_max = max;
}
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
};
c3.axis.min = function (min) {
if (arguments.length) {
if (typeof min === 'object') {
if (isValue(min.x)) { __axis_x_min = min.x; }
if (isValue(min.y)) { __axis_y_min = min.y; }
if (isValue(min.y2)) { __axis_y2_min = min.y2; }
} else {
__axis_y_min = __axis_y2_min = min;
}
redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
};
c3.axis.range = function (range) {
if (arguments.length) {
if (typeof range.max !== 'undefined') { c3.axis.max(range.max); }
if (typeof range.min !== 'undefined') { c3.axis.min(range.min); }
}
};
c3.legend.show = function (targetIds) {
showLegend(mapToTargetIds(targetIds));
updateAndRedraw({withLegend: true});
};
c3.legend.hide = function (targetIds) {
hideLegend(mapToTargetIds(targetIds));
updateAndRedraw({withLegend: true});
};
c3.resize = function (size) {
__size_width = size ? size.width : null;
__size_height = size ? size.height : null;
c3.flush();
};
c3.flush = function () {
updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
};
c3.destroy = function () {
c3.data.targets = undefined;
c3.data.xs = {};
selectChart.classed('c3', false).html("");
window.onresize = null;
};
/*-- Load data and init chart with defined functions --*/
function initWithUrl(args) {
var type = args.mimeType ? args.mimeType : 'csv';
d3.xhr(args.url, function (error, data) {
var d;
if (type === 'json') {
d = convertJsonToData(JSON.parse(data.response), args.keys);
} else {
d = convertCsvToData(data.response);
}
init(d);
});
}
if (config.data.url) {
initWithUrl(config.data);
}
else if (config.data.json) {
init(convertJsonToData(config.data.json, config.data.keys));
}
else if (config.data.rows) {
init(convertRowsToData(config.data.rows));
}
else if (config.data.columns) {
init(convertColumnsToData(config.data.columns));
}
else {
throw Error('url or json or rows or columns is required.');
}
return c3;
};
function isValue(v) {
return v || v === 0;
}
function isUndefined(v) {
return typeof v === 'undefined';
}
function isDefined(v) {
return typeof v !== 'undefined';
}
if (typeof define === "function" && define.amd) {
define("c3", ["d3"], c3);
} else if ('undefined' !== typeof exports && 'undefined' !== typeof module) {
module.exports = c3;
} else {
window.c3 = c3;
}
// Features:
// 1. category axis
// 2. ceil values of translate/x/y to int for half pixel antialiasing
function c3_axis(d3, isCategory) {
var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickValues = null, tickFormat, tickArguments;
var tickOffset = 0, tickCulling = true, tickCentered;
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 (isCategory) {
domain = scale.domain();
newScale.domain([domain[0], domain[1] - 1]);
}
return newScale;
}
function textFormatted(v) {
return tickFormat ? tickFormat(v) : v;
}
function axis(g) {
g.each(function () {
var g = d3.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 = d3.transition(tick).style("opacity", 1),
tickTransform, tickX;
var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
path = g.selectAll(".domain").data([ 0 ]),
pathUpdate = (path.enter().append("path").attr("class", "domain"), d3.transition(path));
tickEnter.append("line");
tickEnter.append("text");
var lineEnter = tickEnter.select("line"),
lineUpdate = tickUpdate.select("line"),
text = tick.select("text").text(textFormatted),
textEnter = tickEnter.select("text"),
textUpdate = tickUpdate.select("text");
if (isCategory) {
tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
tickX = tickCentered ? 0 : tickOffset;
} else {
tickOffset = tickX = 0;
}
function tickSize(d) {
var tickPosition = scale(d) + tickOffset;
return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
}
switch (orient) {
case "bottom":
{
tickTransform = axisX;
lineEnter.attr("y2", innerTickSize);
textEnter.attr("y", Math.max(innerTickSize, 0) + tickPadding);
lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
textUpdate.attr("x", 0).attr("y", Math.max(innerTickSize, 0) + tickPadding);
text.attr("dy", ".71em").style("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
break;
}
case "top":
{
tickTransform = axisX;
lineEnter.attr("y2", -innerTickSize);
textEnter.attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
textUpdate.attr("x", 0).attr("y", -(Math.max(innerTickSize, 0) + tickPadding));
text.attr("dy", "0em").style("text-anchor", "middle");
pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
break;
}
case "left":
{
tickTransform = axisY;
lineEnter.attr("x2", -innerTickSize);
textEnter.attr("x", -(Math.max(innerTickSize, 0) + tickPadding));
lineUpdate.attr("x2", -innerTickSize).attr("y2", 0);
textUpdate.attr("x", -(Math.max(innerTickSize, 0) + tickPadding)).attr("y", tickOffset);
text.attr("dy", ".32em").style("text-anchor", "end");
pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
break;
}
case "right":
{
tickTransform = axisY;
lineEnter.attr("x2", innerTickSize);
textEnter.attr("x", Math.max(innerTickSize, 0) + tickPadding);
lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
textUpdate.attr("x", Math.max(innerTickSize, 0) + tickPadding).attr("y", 0);
text.attr("dy", ".32em").style("text-anchor", "start");
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 (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 () { // This will be overwritten when normal x axis
return tickOffset;
};
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 (!arguments.length) { return tickValues; }
tickValues = x;
return axis;
};
return axis;
}
})(window);