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Separete src files

pull/476/head
Masayuki Tanaka 10 years ago
parent
06f36e0670
commit
fe5a71ab3e
35 changed files with 7823 additions and 1939 deletions
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  1. 43
      Gruntfile.coffee
  2. 3623
      c3.js
  3. 7
      c3.min.js
  4. 573
      src/api.js
  5. 359
      src/arc.js
  6. 283
      src/axis.js
  7. 184
      src/c3.axis.js
  8. 16
      src/cache.js
  9. 4
      src/category.js
  10. 233
      src/class.js
  11. 52
      src/clip.js
  12. 46
      src/color.js
  13. 353
      src/config.js
  14. 1542
      src/core.js
  15. 176
      src/data.convert.js
  16. 327
      src/data.js
  17. 89
      src/data.load.js
  18. 193
      src/domain.js
  19. 84
      src/drag.js
  20. 38
      src/format.js
  21. 69
      src/grid.js
  22. 4
      src/head.js
  23. 294
      src/legend.js
  24. 43
      src/region.js
  25. 87
      src/scale.js
  26. 80
      src/selection.js
  27. 386
      src/shape.js
  28. 101
      src/size.js
  29. 173
      src/subchart.js
  30. 9
      src/tail.js
  31. 11
      src/text.js
  32. 98
      src/tooltip.js
  33. 81
      src/type.js
  34. 49
      src/util.js
  35. 52
      src/zoom.js

43
Gruntfile.coffee
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@ -9,15 +9,48 @@ module.exports = (grunt) ->
concat:
dist:
options:
process: (src, filepath) ->
if filepath != 'src/head.js' && filepath != 'src/tail.js'
lines = []
src.split('\n').forEach (line) ->
lines.push( (if line.length > 0 then ' ' else '') + line)
src = lines.join('\n')
return src
src: [
'src/head.js',
'src/c3.core.js',
'src/c3.render.bar.js',
'src/c3.draw.bar.js',
'src/core.js',
'src/config.js',
'src/scale.js',
'src/domain.js',
'src/data.js',
'src/data.convert.js',
'src/data.load.js',
'src/category.js',
'src/size.js',
'src/shape.js',
'src/text.js',
'src/type.js',
'src/grid.js',
'src/tooltip.js',
'src/legend.js',
'src/axis.js',
'src/clip.js',
'src/arc.js',
'src/region.js',
'src/drag.js',
'src/subchart.js',
'src/zoom.js',
'src/color.js',
'src/format.js',
'src/cache.js',
'src/class.js',
'src/util.js',
'src/api.js',
'src/c3.axis.js',
'src/tail.js'
]
dest: 'dist/c3.js'
dest: 'c3.js'
jshint:
c3: 'c3.js'
@ -36,4 +69,4 @@ module.exports = (grunt) ->
files:
'c3.min.js': 'c3.js'
grunt.registerTask 'default', ['jshint', 'jasmine', 'uglify']
grunt.registerTask 'default', ['concat', 'jshint', 'jasmine', 'uglify']

3623
c3.js
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File diff suppressed because it is too large Load Diff

7
c3.min.js vendored
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573
src/api.js
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@ -0,0 +1,573 @@
c3_chart_fn.focus = function (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(generateCall($$.isNoneArc, $$)),
candidatesForArc = candidates.filter(generateCall($$.isArc, $$));
function focus(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
this.revert();
this.defocus();
focus(candidatesForNoneArc.classed(CLASS[_focused], true));
focus(candidatesForArc);
if ($$.hasArcType()) {
$$.expandArc(targetId, true);
}
$$.toggleFocusLegend(targetId, true);
};
c3_chart_fn.defocus = function (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(generateCall($$.isNoneArc, $$)),
candidatesForArc = candidates.filter(generateCall($$.isArc, $$));
function defocus(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 0.3);
}
this.revert();
defocus(candidatesForNoneArc.classed(CLASS[_focused], false));
defocus(candidatesForArc);
if ($$.hasArcType()) {
$$.unexpandArc(targetId);
}
$$.toggleFocusLegend(targetId, false);
};
c3_chart_fn.revert = function (targetId) {
var $$ = this.internal,
candidates = $$.svg.selectAll($$.selectorTarget(targetId)),
candidatesForNoneArc = candidates.filter(generateCall($$.isNoneArc, $$)),
candidatesForArc = candidates.filter(generateCall($$.isArc, $$));
function revert(targets) {
$$.filterTargetsToShow(targets).transition().duration(100).style('opacity', 1);
}
revert(candidatesForNoneArc.classed(CLASS[_focused], false));
revert(candidatesForArc);
if ($$.hasArcType()) {
$$.unexpandArc(targetId);
}
$$.revertLegend();
};
c3_chart_fn.show = function (targetIds, options) {
var $$ = this.internal;
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_chart_fn.hide = function (targetIds, options) {
var $$ = this.internal;
targetIds = $$.mapToTargetIds(targetIds);
options = options || {};
$$.addHiddenTargetIds(targetIds);
$$.svg.selectAll($$.selectorTargets(targetIds))
.transition()
.style('opacity', 0);
if (options.withLegend) {
$$.hideLegend(targetIds);
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
};
c3_chart_fn.toggle = function (targetId) {
var $$ = this.internal;
$$.isTargetToShow(targetId) ? this.hide(targetId) : this.show(targetId);
};
c3_chart_fn.zoom = function () {
};
c3_chart_fn.zoom.enable = function (enabled) {
var $$ = this.internal;
$$.config[__zoom_enabled] = enabled;
$$.updateAndRedraw();
};
c3_chart_fn.unzoom = function () {
var $$ = this.internal;
$$.brush.clear().update();
$$.redraw({withUpdateXDomain: true});
};
c3_chart_fn.load = function (args) {
var $$ = this.internal, config = $$.config;
// update xs if specified
if (args.xs) {
$$.addXs(args.xs);
}
// update classes if exists
if ('classes' in args) {
Object.keys(args.classes).forEach(function (id) {
config[__data_classes][id] = args.classes[id];
});
}
// update categories if exists
if ('categories' in args && $$.isCategorized()) {
config[__axis_x_categories] = args.categories;
}
// use cache if exists
if ('cacheIds' in args && $$.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_chart_fn.unload = function (args) {
var $$ = this.internal;
args = args || {};
$$.unload($$.mapToTargetIds(args.ids), function () {
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
if (isFunction(args.done)) { args.done(); }
});
};
c3_chart_fn.flow = function (args) {
var $$ = this.internal,
targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(),
dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;
if (args.json) {
data = $$.convertJsonToData(args.json, args.keys);
}
else if (args.rows) {
data = $$.convertRowsToData(args.rows);
}
else if (args.columns) {
data = $$.convertColumnsToData(args.columns);
}
else {
return;
}
targets = $$.convertDataToTargets(data, true);
// Update/Add data
$$.data.targets.forEach(function (t) {
var found = false, i, j;
for (i = 0; i < targets.length; i++) {
if (t.id === targets[i].id) {
found = true;
if (t.values[t.values.length - 1]) {
tail = t.values[t.values.length - 1].index + 1;
}
length = targets[i].values.length;
for (j = 0; j < length; j++) {
targets[i].values[j].index = tail + j;
if (!$$.isTimeSeries()) {
targets[i].values[j].x = tail + j;
}
}
t.values = t.values.concat(targets[i].values);
targets.splice(i, 1);
break;
}
}
if (!found) { notfoundIds.push(t.id); }
});
// Append null for not found targets
$$.data.targets.forEach(function (t) {
var i, j;
for (i = 0; i < notfoundIds.length; i++) {
if (t.id === notfoundIds[i]) {
tail = t.values[t.values.length - 1].index + 1;
for (j = 0; j < length; j++) {
t.values.push({
id: t.id,
index: tail + j,
x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
value: null
});
}
}
}
});
// Generate null values for new target
if ($$.data.targets.length) {
targets.forEach(function (t) {
var i, missing = [];
for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
missing.push({
id: t.id,
index: i,
x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
value: null
});
}
t.values.forEach(function (v) {
v.index += tail;
if (!$$.isTimeSeries()) {
v.x += tail;
}
});
t.values = missing.concat(t.values);
});
}
$$.data.targets = $$.data.targets.concat(targets); // add remained
// check data count because behavior needs to change when it's only one
dataCount = $$.getMaxDataCount();
baseTarget = $$.data.targets[0];
baseValue = baseTarget.values[0];
// Update length to flow if needed
if (isDefined(args.to)) {
length = 0;
to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
baseTarget.values.forEach(function (v) {
if (v.x < to) { length++; }
});
} else if (isDefined(args.length)) {
length = args.length;
}
// If only one data, update the domain to flow from left edge of the chart
if (!orgDataCount) {
if ($$.isTimeSeries()) {
if (baseTarget.values.length > 1) {
diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
} else {
diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
}
} else {
diff = 1;
}
domain = [baseValue.x - diff, baseValue.x];
$$.updateXDomain(null, true, true, 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
$$.updateTargets($$.data.targets);
// Redraw with new targets
$$.redraw({
flow: {
index: baseValue.index,
length: length,
duration: isValue(args.duration) ? args.duration : $$.config[__transition_duration],
done: args.done,
orgDataCount: orgDataCount,
},
withLegend: true,
withTransition: orgDataCount > 1,
});
};
c3_chart_fn.selected = function (targetId) {
var $$ = this.internal, d3 = $$.d3;
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_chart_fn.select = function (ids, indices, resetOther) {
var $$ = this.internal, d3 = $$.d3, config = $$.config;
if (! config[__data_selection_enabled]) { return; }
$$.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 = $$.getToggle(this),
isTargetId = config[__data_selection_grouped] || !ids || ids.indexOf(id) >= 0,
isTargetIndex = !indices || indices.indexOf(i) >= 0,
isSelected = shape.classed(CLASS[_SELECTED]);
// line/area selection not supported yet
if (shape.classed(CLASS[_line]) || shape.classed(CLASS[_area])) {
return;
}
if (isTargetId && isTargetIndex) {
if (config[__data_selection_isselectable](d) && !isSelected) {
toggle(true, shape.classed(CLASS[_SELECTED], true), d, i);
}
} else if (isDefined(resetOther) && resetOther) {
if (isSelected) {
toggle(false, shape.classed(CLASS[_SELECTED], false), d, i);
}
}
});
};
c3_chart_fn.unselect = function (ids, indices) {
var $$ = this.internal, d3 = $$.d3, config = $$.config;
if (! config[__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 = config[__data_selection_grouped] || !ids || ids.indexOf(id) >= 0,
isTargetIndex = !indices || indices.indexOf(i) >= 0,
isSelected = shape.classed(CLASS[_SELECTED]);
// line/area selection not supported yet
if (shape.classed(CLASS[_line]) || shape.classed(CLASS[_area])) {
return;
}
if (isTargetId && isTargetIndex) {
if (config[__data_selection_isselectable](d)) {
if (isSelected) {
toggle(false, shape.classed(CLASS[_SELECTED], false), d, i);
}
}
}
});
};
c3_chart_fn.transform = function (type, targetIds) {
var $$ = this.internal,
options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
$$.transformTo(targetIds, type, options);
};
c3_chart_fn.groups = function (groups) {
var $$ = this.internal, config = $$.config;
if (isUndefined(groups)) { return config[__data_groups]; }
config[__data_groups] = groups;
$$.redraw();
return config[__data_groups];
};
c3_chart_fn.xgrids = function (grids) {
var $$ = this.internal, config = $$.config;
if (! grids) { return config[__grid_x_lines]; }
config[__grid_x_lines] = grids;
$$.redraw();
return config[__grid_x_lines];
};
c3_chart_fn.xgrids.add = function (grids) {
var $$ = this.internal;
return this.xgrids($$.config[__grid_x_lines].concat(grids ? grids : []));
};
c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple
var $$ = this.internal;
$$.removeGridLines(params, true);
};
c3_chart_fn.ygrids = function (grids) {
var $$ = this.internal, config = $$.config;
if (! grids) { return config[__grid_y_lines]; }
config[__grid_y_lines] = grids;
$$.redraw();
return config[__grid_y_lines];
};
c3_chart_fn.ygrids.add = function (grids) {
var $$ = this.internal;
return c3.ygrids($$.config[__grid_y_lines].concat(grids ? grids : []));
};
c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple
var $$ = this.internal;
$$.removeGridLines(params, false);
};
c3_chart_fn.regions = function (regions) {
var $$ = this.internal, config = $$.config;
if (!regions) { return config[__regions]; }
config[__regions] = regions;
$$.redraw();
return config[__regions];
};
c3_chart_fn.regions.add = function (regions) {
var $$ = this.internal, config = $$.config;
if (!regions) { return config[__regions]; }
config[__regions] = config[__regions].concat(regions);
$$.redraw();
return config[__regions];
};
c3_chart_fn.regions.remove = function (options) {
var $$ = this.internal, config = $$.config,
duration, classes, regions;
options = options || {};
duration = $$.getOption(options, "duration", config[__transition_duration]);
classes = $$.getOption(options, "classes", [CLASS[_region]]);
regions = $$.main.select('.' + CLASS[_regions]).selectAll(classes.map(function (c) { return '.' + c; }));
(duration ? regions.transition().duration(duration) : regions)
.style('opacity', 0)
.remove();
config[__regions] = config[__regions].filter(function (region) {
var found = false;
if (!region.class) {
return true;
}
region.class.split(' ').forEach(function (c) {
if (classes.indexOf(c) >= 0) { found = true; }
});
return !found;
});
return config[__regions];
};
c3_chart_fn.data = function () {
};
c3_chart_fn.data.get = function (targetId) {
var target = this.data.getAsTarget(targetId);
return isDefined(target) ? target.values.map(function (d) { return d.value; }) : undefined;
};
c3_chart_fn.data.getAsTarget = function (targetId) {
var targets = this.data.targets.filter(function (t) { return t.id === targetId; });
return targets.length > 0 ? targets[0] : undefined;
};
c3_chart_fn.data.names = function (names) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config[__data_names]; }
Object.keys(names).forEach(function (id) {
config[__data_names][id] = names[id];
});
$$.redraw({withLegend: true});
return config[__data_names];
};
c3_chart_fn.data.colors = function (colors) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config[__data_colors]; }
Object.keys(colors).forEach(function (id) {
config[__data_colors][id] = colors[id];
});
$$.redraw({withLegend: true});
return config[__data_colors];
};
c3_chart_fn.category = function (i, category) {
var $$ = this.internal, config = $$.config;
if (arguments.length > 1) {
config[__axis_x_categories][i] = category;
$$.redraw();
}
return config[__axis_x_categories][i];
};
c3_chart_fn.categories = function (categories) {
var $$ = this.internal, config = $$.config;
if (!arguments.length) { return config[__axis_x_categories]; }
config[__axis_x_categories] = categories;
$$.redraw();
return config[__axis_x_categories];
};
// TODO: fix
c3_chart_fn.color = function (id) {
var $$ = this.internal;
return $$.color(id); // more patterns
};
c3_chart_fn.x = function (x) {
var $$ = this.internal;
if (arguments.length) {
$$.updateTargetX($$.data.targets, x);
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return $$.data.xs;
};
c3_chart_fn.xs = function (xs) {
var $$ = this.internal;
if (arguments.length) {
$$.updateTargetXs($$.data.targets, xs);
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
return $$.data.xs;
};
c3_chart_fn.axis = function () {
};
c3_chart_fn.axis.labels = function (labels) {
var $$ = this.internal;
if (arguments.length) {
Object.keys(labels).forEach(function (axisId) {
$$.setAxisLabelText(axisId, labels[axisId]);
});
$$.updateAxisLabels();
}
// TODO: return some values?
};
c3_chart_fn.axis.max = function (max) {
var $$ = this.internal, config = $$.config;
if (arguments.length) {
if (typeof max === 'object') {
if (isValue(max.x)) { config[__axis_x_max] = max.x; }
if (isValue(max.y)) { config[__axis_y_max] = max.y; }
if (isValue(max.y2)) { config[__axis_y2_max] = max.y2; }
} else {
config[__axis_y_max] = config[__axis_y2_max] = max;
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
};
c3_chart_fn.axis.min = function (min) {
var $$ = this.internal, config = $$.config;
if (arguments.length) {
if (typeof min === 'object') {
if (isValue(min.x)) { config[__axis_x_min] = min.x; }
if (isValue(min.y)) { config[__axis_y_min] = min.y; }
if (isValue(min.y2)) { config[__axis_y2_min] = min.y2; }
} else {
config[__axis_y_min] = config[__axis_y2_min] = min;
}
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
}
};
c3_chart_fn.axis.range = function (range) {
if (arguments.length) {
if (isDefined(range.max)) { this.axis.max(range.max); }
if (isDefined(range.min)) { this.axis.min(range.min); }
}
};
c3_chart_fn.legend = function () {
};
c3_chart_fn.legend.show = function (targetIds) {
var $$ = this.internal;
$$.showLegend($$.mapToTargetIds(targetIds));
$$.updateAndRedraw({withLegend: true});
};
c3_chart_fn.legend.hide = function (targetIds) {
var $$ = this.internal;
$$.hideLegend($$.mapToTargetIds(targetIds));
$$.updateAndRedraw({withLegend: true});
};
c3_chart_fn.resize = function (size) {
var $$ = this.internal, config = $$.config;
config[__size_width] = size ? size.width : null;
config[__size_height] = size ? size.height : null;
this.flush();
};
c3_chart_fn.flush = function () {
var $$ = this.internal;
$$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
};
c3_chart_fn.destroy = function () {
var $$ = this.internal;
$$.data.targets = undefined;
$$.data.xs = {};
$$.selectChart.classed('c3', false).html("");
window.onresize = null;
};

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src/arc.js
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c3_chart_internal_fn.initPie = function () {
var $$ = this, d3 = $$.d3, config = $$.config;
$$.pie = d3.layout.pie().value(function (d) {
return d.values.reduce(function (a, b) { return a + b.value; }, 0);
});
if (!config[__data_order] || !config[__pie_sort] || !config[__donut_sort]) {
$$.pie.sort(null);
}
};
c3_chart_internal_fn.updateRadius = function () {
var $$ = this, config = $$.config,
w = config[__gauge_width] || config[__donut_width];
$$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
$$.radius = $$.radiusExpanded * 0.95;
$$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
$$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
};
c3_chart_internal_fn.updateArc = function () {
var $$ = this;
$$.svgArc = $$.getSvgArc();
$$.svgArcExpanded = $$.getSvgArcExpanded();
$$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
};
c3_chart_internal_fn.updateAngle = function (d) {
var $$ = this, config = $$.config,
found = false, index = 0;
$$.pie($$.filterTargetsToShow($$.data.targets)).sort($$.descByStartAngle).forEach(function (t) {
if (! found && t.data.id === d.data.id) {
found = true;
d = t;
d.index = index;
}
index++;
});
if (isNaN(d.endAngle)) {
d.endAngle = d.startAngle;
}
if ($$.isGaugeType(d.data)) {
var gMin = config[__gauge_min], gMax = config[__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;
};
c3_chart_internal_fn.getSvgArc = function () {
var $$ = this,
arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
newArc = function (d, withoutUpdate) {
var updated;
if (withoutUpdate) { return arc(d); } // for interpolate
updated = $$.updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
// TODO: extends all function
newArc.centroid = arc.centroid;
return newArc;
};
c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
var $$ = this,
arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
return function (d) {
var updated = $$.updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
};
c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
};
c3_chart_internal_fn.transformForArcLabel = function (d) {
var $$ = this,
updated = $$.updateAngle(d), c, x, y, h, ratio, translate = "";
if (updated && !$$.hasType('gauge')) {
c = this.svgArc.centroid(updated);
x = isNaN(c[0]) ? 0 : c[0];
y = isNaN(c[1]) ? 0 : c[1];
h = Math.sqrt(x * x + y * y);
// TODO: ratio should be an option?
ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")";
}
return translate;
};
c3_chart_internal_fn.getArcRatio = function (d) {
var $$ = this,
whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2);
return d ? (d.endAngle - d.startAngle) / whole : null;
};
c3_chart_internal_fn.convertToArcData = function (d) {
return this.addName({
id: d.data.id,
value: d.value,
ratio: this.getArcRatio(d),
index: d.index
});
};
c3_chart_internal_fn.textForArcLabel = function (d) {
var $$ = this,
updated, value, ratio, format;
if (! $$.shouldShowArcLabel()) { return ""; }
updated = $$.updateAngle(d);
value = updated ? updated.value : null;
ratio = $$.getArcRatio(updated);
if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
format = $$.getArcLabelFormat();
return format ? format(value, ratio) : $$.defaultArcValueFormat(value, ratio);
};
c3_chart_internal_fn.expandArc = function (id, withoutFadeOut) {
var $$ = this,
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 ($$.isDonutType(d.data)) {
// callback here
}
});
}
if (!withoutFadeOut) {
noneTargets.style("opacity", 0.3);
}
};
c3_chart_internal_fn.unexpandArc = function (id) {
var $$ = this,
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);
};
c3_chart_internal_fn.shouldExpand = function (id) {
var $$ = this, config = $$.config;
return ($$.isDonutType(id) && config[__donut_expand]) || ($$.isGaugeType(id) && config[__gauge_expand]) || ($$.isPieType(id) && config[__pie_expand]);
};
c3_chart_internal_fn.shouldShowArcLabel = function () {
var $$ = this, config = $$.config, shouldShow = true;
if ($$.hasType('donut')) {
shouldShow = config[__donut_label_show];
} else if ($$.hasType('pie')) {
shouldShow = config[__pie_label_show];
}
// when gauge, always true
return shouldShow;
};
c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
var $$ = this, config = $$.config,
threshold = $$.hasType('donut') ? config[__donut_label_threshold] : config[__pie_label_threshold];
return ratio >= threshold;
};
c3_chart_internal_fn.getArcLabelFormat = function () {
var $$ = this, config = $$.config,
format = config[__pie_label_format];
if ($$.hasType('gauge')) {
format = config[__gauge_label_format];
} else if ($$.hasType('donut')) {
format = config[__donut_label_format];
}
return format;
};
c3_chart_internal_fn.getArcTitle = function () {
var $$ = this;
return $$.hasType('donut') ? $$.config[__donut_title] : "";
};
c3_chart_internal_fn.descByStartAngle = function (a, b) {
return a.startAngle - b.startAngle;
};
c3_chart_internal_fn.updateTargetsForArc = function (targets) {
var $$ = this, main = $$.main, mainPieUpdate, mainPieEnter;
mainPieUpdate = main.select('.' + CLASS[_chartArcs]).selectAll('.' + CLASS[_chartArc])
.data($$.pie(targets))
.attr("class", generateCall($$.classChartArc, $$));
mainPieEnter = mainPieUpdate.enter().append("g")
.attr("class", generateCall($$.classChartArc, $$));
mainPieEnter.append('g')
.attr('class', generateCall($$.classArcs, $$));
mainPieEnter.append("text")
.attr("dy", $$.hasType('gauge') ? "-0.35em" : ".35em")
.style("opacity", 0)
.style("text-anchor", "middle")
.style("pointer-events", "none");
// MEMO: can not keep same color..., but not bad to update color in redraw
//mainPieUpdate.exit().remove();
};
c3_chart_internal_fn.initArc = function () {
var $$ = this, arcs;
arcs = $$.main.select('.' + CLASS[_chart]).append("g")
.attr("class", CLASS[_chartArcs])
.attr("transform", $$.getTranslate('arc'));
arcs.append('text')
.attr('class', CLASS[_chartArcsTitle])
.style("text-anchor", "middle")
.text($$.getArcTitle());
};
c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main,
mainArc;
mainArc = main.selectAll('.' + CLASS[_arcs]).selectAll('.' + CLASS[_arc])
.data(generateCall($$.arcData, $$));
mainArc.enter().append('path')
.attr("class", generateCall($$.classArc, $$))
.style("fill", function (d) { return $$.color(d.data); })
.style("cursor", function (d) { return config[__data_selection_isselectable](d) ? "pointer" : null; })
.style("opacity", 0)
.each(function (d) {
if ($$.isGaugeType(d.data)) {
d.startAngle = d.endAngle = -1 * (Math.PI / 2);
}
this._current = d;
})
.on('mouseover', function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
// transitions
$$.expandArc(updated.data.id);
$$.toggleFocusLegend(updated.data.id, true);
$$.config[__data_onmouseover](arcData, this);
})
.on('mousemove', function (d) {
var updated = $$.updateAngle(d),
arcData = $$.convertToArcData(updated),
selectedData = [arcData];
$$.showTooltip(selectedData, d3.mouse(this));
})
.on('mouseout', function (d) {
var updated, arcData;
if ($$.transiting) { // skip while transiting
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
// transitions
$$.unexpandArc(updated.data.id);
$$.revertLegend();
$$.hideTooltip();
$$.config[__data_onmouseout](arcData, this);
})
.on('click', function (d, i) {
var updated, arcData;
if (!$$.toggleShape) {
return;
}
updated = $$.updateAngle(d);
arcData = $$.convertToArcData(updated);
$$.toggleShape(this, arcData, i); // onclick called in toogleShape()
});
mainArc
.attr("transform", function (d) { return !$$.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 $$.isGaugeType(d.data) ? CLASS[_gaugeValue] : ''; })
.text(generateCall($$.textForArcLabel, $$))
.attr("transform", generateCall($$.transformForArcLabel, $$))
.transition().duration(duration)
.style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; });
main.select('.' + CLASS[_chartArcsTitle])
.style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);
};
c3_chart_internal_fn.initGauge = function () {
var $$ = this, config = $$.config, arcs;
if ($$.hasType('gauge')) {
arcs.append('path')
.attr("class", CLASS[_chartArcsBackground])
.attr("d", function () {
var d = {
data: [{value: config[__gauge_max]}],
startAngle: -1 * (Math.PI / 2),
endAngle: Math.PI / 2
};
return $$.getArc(d, true, true);
});
arcs.append("text")
.attr("dy", ".75em")
.attr("class", CLASS[_chartArcsGaugeUnit])
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(config[__gauge_label_show] ? config[__gauge_units] : '');
arcs.append("text")
.attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
.attr("dy", "1.2em")
.attr("class", CLASS[_chartArcsGaugeMin])
.style("text-anchor", "middle")
.style("pointer-events", "none")
.text(config[__gauge_label_show] ? config[__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(config[__gauge_label_show] ? config[__gauge_max] : '');
}
};

283
src/axis.js
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@ -0,0 +1,283 @@
c3_chart_internal_fn.getXAxis = function (scale, orient, tickFormat, tickValues) {
var $$ = this, config = $$.config,
axis = c3_axis($$.d3, $$.isCategorized()).scale(scale).orient(orient);
// Set tick
axis.tickFormat(tickFormat).tickValues(tickValues);
if ($$.isCategorized()) {
axis.tickCentered(config[__axis_x_tick_centered]);
if (isEmpty(config[__axis_x_tick_culling])) {
config[__axis_x_tick_culling] = false;
}
} else {
// TODO: move this to c3_axis
axis.tickOffset = function () {
var edgeX = $$.getEdgeX($$.data.targets), diff = $$.x(edgeX[1]) - $$.x(edgeX[0]),
base = diff ? diff : (config[__axis_rotated] ? $$.height : $$.width);
return (base / $$.getMaxDataCount()) / 2;
};
}
return axis;
};
c3_chart_internal_fn.getYAxis = function (scale, orient, tickFormat, ticks) {
return c3_axis(this.d3).scale(scale).orient(orient).tickFormat(tickFormat).ticks(ticks);
};
c3_chart_internal_fn.getAxisId = function (id) {
var config = this.config;
return id in config[__data_axes] ? config[__data_axes][id] : 'y';
};
c3_chart_internal_fn.getXAxisTickFormat = function () {
var $$ = this, config = $$.config,
format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; };
if (config[__axis_x_tick_format]) {
if (isFunction(config[__axis_x_tick_format])) {
format = config[__axis_x_tick_format];
} else if ($$.isTimeSeries()) {
format = function (date) {
return date ? $$.axisTimeFormat(config[__axis_x_tick_format])(date) : "";
};
}
}
return function (v) { return format.call($$, v); };
};
c3_chart_internal_fn.getAxisLabelOptionByAxisId = function (axisId) {
var $$ = this, config = $$.config, option;
if (axisId === 'y') {
option = config[__axis_y_label];
} else if (axisId === 'y2') {
option = config[__axis_y2_label];
} else if (axisId === 'x') {
option = config[__axis_x_label];
}
return option;
};
c3_chart_internal_fn.getAxisLabelText = function (axisId) {
var option = this.getAxisLabelOptionByAxisId(axisId);
return isString(option) ? option : option ? option.text : null;
};
c3_chart_internal_fn.setAxisLabelText = function (axisId, text) {
var $$ = this, config = $$.config,
option = $$.getAxisLabelOptionByAxisId(axisId);
if (isString(option)) {
if (axisId === 'y') {
config[__axis_y_label] = text;
} else if (axisId === 'y2') {
config[__axis_y2_label] = text;
} else if (axisId === 'x') {
config[__axis_x_label] = text;
}
} else if (option) {
option.text = text;
}
};
c3_chart_internal_fn.getAxisLabelPosition = function (axisId, defaultPosition) {
var option = this.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
};
};
c3_chart_internal_fn.getXAxisLabelPosition = function () {
return this.getAxisLabelPosition('x', this.config[__axis_rotated] ? 'inner-top' : 'inner-right');
};
c3_chart_internal_fn.getYAxisLabelPosition = function () {
return this.getAxisLabelPosition('y', this.config[__axis_rotated] ? 'inner-right' : 'inner-top');
};
c3_chart_internal_fn.getY2AxisLabelPosition = function () {
return this.getAxisLabelPosition('y2', this.config[__axis_rotated] ? 'inner-right' : 'inner-top');
};
c3_chart_internal_fn.getAxisLabelPositionById = function (id) {
return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
};
c3_chart_internal_fn.textForXAxisLabel = function () {
return this.getAxisLabelText('x');
};
c3_chart_internal_fn.textForYAxisLabel = function () {
return this.getAxisLabelText('y');
};
c3_chart_internal_fn.textForY2AxisLabel = function () {
return this.getAxisLabelText('y2');
};
c3_chart_internal_fn.xForAxisLabel = function (forHorizontal, position) {
var $$ = this;
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
} else {
return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
}
};
c3_chart_internal_fn.dxForAxisLabel = function (forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
} else {
return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
}
};
c3_chart_internal_fn.textAnchorForAxisLabel = function (forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
};
c3_chart_internal_fn.xForXAxisLabel = function () {
return this.xForAxisLabel(!this.config[__axis_rotated], this.getXAxisLabelPosition());
};
c3_chart_internal_fn.xForYAxisLabel = function () {
return this.xForAxisLabel(this.config[__axis_rotated], this.getYAxisLabelPosition());
};
c3_chart_internal_fn.xForY2AxisLabel = function () {
return this.xForAxisLabel(this.config[__axis_rotated], this.getY2AxisLabelPosition());
};
c3_chart_internal_fn.dxForXAxisLabel = function () {
return this.dxForAxisLabel(!this.config[__axis_rotated], this.getXAxisLabelPosition());
};
c3_chart_internal_fn.dxForYAxisLabel = function () {
return this.dxForAxisLabel(this.config[__axis_rotated], this.getYAxisLabelPosition());
};
c3_chart_internal_fn.dxForY2AxisLabel = function () {
return this.dxForAxisLabel(this.config[__axis_rotated], this.getY2AxisLabelPosition());
};
c3_chart_internal_fn.dyForXAxisLabel = function () {
var $$ = this, config = $$.config,
position = $$.getXAxisLabelPosition();
if (config[__axis_rotated]) {
return position.isInner ? "1.2em" : -25 - $$.getMaxTickWidth('x');
} else {
return position.isInner ? "-0.5em" : config[__axis_x_height] ? config[__axis_x_height] - 10 : "3em";
}
};
c3_chart_internal_fn.dyForYAxisLabel = function () {
var $$ = this,
position = $$.getYAxisLabelPosition();
if ($$.config[__axis_rotated]) {
return position.isInner ? "-0.5em" : "3em";
} else {
return position.isInner ? "1.2em" : -20 - $$.getMaxTickWidth('y');
}
};
c3_chart_internal_fn.dyForY2AxisLabel = function () {
var $$ = this,
position = $$.getY2AxisLabelPosition();
if ($$.config[__axis_rotated]) {
return position.isInner ? "1.2em" : "-2.2em";
} else {
return position.isInner ? "-0.5em" : 30 + this.getMaxTickWidth('y2');
}
};
c3_chart_internal_fn.textAnchorForXAxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel(!$$.config[__axis_rotated], $$.getXAxisLabelPosition());
};
c3_chart_internal_fn.textAnchorForYAxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel($$.config[__axis_rotated], $$.getYAxisLabelPosition());
};
c3_chart_internal_fn.textAnchorForY2AxisLabel = function () {
var $$ = this;
return $$.textAnchorForAxisLabel($$.config[__axis_rotated], $$.getY2AxisLabelPosition());
};
c3_chart_internal_fn.xForRotatedTickText = function (r) {
return 10 * Math.sin(Math.PI * (r / 180));
};
c3_chart_internal_fn.yForRotatedTickText = function (r) {
return 11.5 - 2.5 * (r / 15);
};
c3_chart_internal_fn.rotateTickText = function (axis, transition, rotate) {
axis.selectAll('.tick text')
.style("text-anchor", "start");
transition.selectAll('.tick text')
.attr("y", this.yForRotatedTickText(rotate))
.attr("x", this.xForRotatedTickText(rotate))
.attr("transform", "rotate(" + rotate + ")");
};
c3_chart_internal_fn.getMaxTickWidth = function (id) {
var $$ = this, config = $$.config,
maxWidth = 0, targetsToShow, scale, axis;
if ($$.svg) {
targetsToShow = $$.filterTargetsToShow($$.data.targets);
if (id === 'y') {
scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
axis = $$.getYAxis(scale, $$.yOrient, config[__axis_y_tick_format], config[__axis_y_ticks]);
} else if (id === 'y2') {
scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
axis = $$.getYAxis(scale, $$.y2Orient, config[__axis_y2_tick_format], config[__axis_y2_ticks]);
} else {
scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
axis = $$.getXAxis(scale, $$.xOrient, $$.getXAxisTickFormat(), config[__axis_x_tick_values] ? config[__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;
};
c3_chart_internal_fn.updateAxisLabels = function (withTransition) {
var $$ = this;
var axisXLabel = $$.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", generateCall($$.xForXAxisLabel, $$))
.attr("dx", generateCall($$.dxForXAxisLabel, $$))
.attr("dy", generateCall($$.dyForXAxisLabel, $$))
.text(generateCall($$.textForXAxisLabel, $$));
(withTransition ? axisYLabel.transition() : axisYLabel)
.attr("x", generateCall($$.xForYAxisLabel, $$))
.attr("dx", generateCall($$.dxForYAxisLabel, $$))
.attr("dy", generateCall($$.dyForYAxisLabel, $$))
.text(generateCall($$.textForYAxisLabel, $$));
(withTransition ? axisY2Label.transition() : axisY2Label)
.attr("x", generateCall($$.xForY2AxisLabel, $$))
.attr("dx", generateCall($$.dxForY2AxisLabel, $$))
.attr("dy", generateCall($$.dyForY2AxisLabel, $$))
.text(generateCall($$.textForY2AxisLabel, $$));
};
c3_chart_internal_fn.getAxisPadding = function (padding, key, defaultValue, all) {
var ratio = padding.unit === 'ratio' ? all : 1;
return isValue(padding[key]) ? padding[key] * ratio : defaultValue;
};
c3_chart_internal_fn.generateTickValues = function (xs, tickCount) {
var $$ = this;
var tickValues = xs, targetCount, start, end, count, interval, i, tickValue;
if (tickCount) {
targetCount = isFunction(tickCount) ? tickCount() : tickCount;
// compute ticks according to $$.config.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;
};

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src/c3.axis.js
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// 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;
}

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c3_chart_internal_fn.hasCaches = function (ids) {
for (var i = 0; i < ids.length; i++) {
if (! (ids[i] in this.cache)) { return false; }
}
return true;
};
c3_chart_internal_fn.addCache = function (id, target) {
this.cache[id] = this.cloneTarget(target);
};
c3_chart_internal_fn.getCaches = function (ids) {
var targets = [], i;
for (i = 0; i < ids.length; i++) {
if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); }
}
return targets;
};

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c3_chart_internal_fn.categoryName = function (i) {
var config = this.config;
return i < config[__axis_x_categories].length ? config[__axis_x_categories][i] : i;
};

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src/class.js
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var _target = 'target',
_chart = 'chart ',
_chartLine = 'chartLine',
_chartLines = 'chartLines',
_chartBar = 'chartBar',
_chartBars = 'chartBars',
_chartText = 'chartText',
_chartTexts = 'chartTexts',
_chartArc = 'chartArc',
_chartArcs = 'chartArcs',
_chartArcsTitle = 'chartArcsTitle',
_chartArcsBackground = 'chartArcsBackground',
_chartArcsGaugeUnit = 'chartArcsGaugeUnit',
_chartArcsGaugeMax = 'chartArcsGaugeMax',
_chartArcsGaugeMin = 'chartArcsGaugeMin',
_selectedCircle = 'selectedCircle',
_selectedCircles = 'selectedCircles',
_eventRect = 'eventRect',
_eventRects = 'eventRects',
_eventRectsSingle = 'eventRectsSingle',
_eventRectsMultiple = 'eventRectsMultiple',
_zoomRect = 'zoomRect',
_brush = 'brush',
_focused = 'focused',
_region = 'region',
_regions = 'regions',
_tooltip = 'tooltip',
_tooltipName = 'tooltipName',
_shape = 'shape',
_shapes = 'shapes',
_line = 'line',
_lines = 'lines',
_bar = 'bar',
_bars = 'bars',
_circle = 'circle',
_circles = 'circles',
_arc = 'arc',
_arcs = 'arcs',
_area = 'area',
_areas = 'areas',
_empty = 'empty',
_text = 'text',
_texts = 'texts',
_gaugeValue = 'gaugeValue',
_grid = 'grid',
_xgrid = 'xgrid',
_xgrids = 'xgrids',
_xgridLine = 'xgridLine',
_xgridLines = 'xgridLines',
_xgridFocus = 'xgridFocus',
_ygrid = 'ygrid',
_ygrids = 'ygrids',
_ygridLine = 'ygridLine',
_ygridLines = 'ygridLines',
_axis = 'axis',
_axisX = 'axisX',
_axisXLabel = 'axisXLabel',
_axisY = 'axisY',
_axisYLabel = 'axisYLabel',
_axisY2 = 'axisY2',
_axisY2Label = 'axisY2Label',
_legendBackground = 'legendBackground',
_legendItem = 'legendItem',
_legendItemEvent = 'legendItemEvent',
_legendItemTile = 'legendItemTile',
_legendItemHidden = 'legendItemHidden',
_legendItemFocused = 'legendItemFocused',
_dragarea = 'dragarea',
_EXPANDED = 'EXPANDED',
_SELECTED = 'SELECTED',
_INCLUDED = 'INCLUDED';
var CLASS = c3_chart_internal_fn.CLASS = {};
CLASS[_target] = 'c3-target';
CLASS[_chart] = 'c3-chart';
CLASS[_chartLine] = 'c3-chart-line';
CLASS[_chartLines] = 'c3-chart-lines';
CLASS[_chartBar] = 'c3-chart-bar';
CLASS[_chartBars] = 'c3-chart-bars';
CLASS[_chartText] = 'c3-chart-text';
CLASS[_chartTexts] = 'c3-chart-texts';
CLASS[_chartArc] = 'c3-chart-arc';
CLASS[_chartArcs] = 'c3-chart-arcs';
CLASS[_chartArcsTitle] = 'c3-chart-arcs-title';
CLASS[_chartArcsBackground] = 'c3-chart-arcs-background';
CLASS[_chartArcsGaugeUnit] = 'c3-chart-arcs-gauge-unit';
CLASS[_chartArcsGaugeMax] = 'c3-chart-arcs-gauge-max';
CLASS[_chartArcsGaugeMin] = 'c3-chart-arcs-gauge-min';
CLASS[_selectedCircle] = 'c3-selected-circle';
CLASS[_selectedCircles] = 'c3-selected-circles';
CLASS[_eventRect] = 'c3-event-rect';
CLASS[_eventRects] = 'c3-event-rects';
CLASS[_eventRectsSingle] = 'c3-event-rects-single';
CLASS[_eventRectsMultiple] = 'c3-event-rects-multiple';
CLASS[_zoomRect] = 'c3-zoom-rect';
CLASS[_brush] = 'c3-brush';
CLASS[_focused] = 'c3-focused';
CLASS[_region] = 'c3-region';
CLASS[_regions] = 'c3-regions';
CLASS[_tooltip] = 'c3-tooltip';
CLASS[_tooltipName] = 'c3-tooltip-name';
CLASS[_shape] = 'c3-shape';
CLASS[_shapes] = 'c3-shapes';
CLASS[_line] = 'c3-line';
CLASS[_lines] = 'c3-lines';
CLASS[_bar] = 'c3-bar';
CLASS[_bars] = 'c3-bars';
CLASS[_circle] = 'c3-circle';
CLASS[_circles] = 'c3-circles';
CLASS[_arc] = 'c3-arc';
CLASS[_arcs] = 'c3-arcs';
CLASS[_area] = 'c3-area';
CLASS[_areas] = 'c3-areas';
CLASS[_empty] = 'c3-empty';
CLASS[_text] = 'c3-text';
CLASS[_texts] = 'c3-texts';
CLASS[_gaugeValue] = 'c3-gauge-value';
CLASS[_grid] = 'c3-grid';
CLASS[_xgrid] = 'c3-xgrid';
CLASS[_xgrids] = 'c3-xgrids';
CLASS[_xgridLine] = 'c3-xgrid-line';
CLASS[_xgridLines] = 'c3-xgrid-lines';
CLASS[_xgridFocus] = 'c3-xgrid-focus';
CLASS[_ygrid] = 'c3-ygrid';
CLASS[_ygrids] = 'c3-ygrids';
CLASS[_ygridLine] = 'c3-ygrid-line';
CLASS[_ygridLines] = 'c3-ygrid-lines';
CLASS[_axis] = 'c3-axis';
CLASS[_axisX] = 'c3-axis-x';
CLASS[_axisXLabel] = 'c3-axis-x-label';
CLASS[_axisY] = 'c3-axis-y';
CLASS[_axisYLabel] = 'c3-axis-y-label';
CLASS[_axisY2] = 'c3-axis-y2';
CLASS[_axisY2Label] = 'c3-axis-y2-label';
CLASS[_legendBackground] = 'c3-legend-background';
CLASS[_legendItem] = 'c3-legend-item';
CLASS[_legendItemEvent] = 'c3-legend-item-event';
CLASS[_legendItemTile] = 'c3-legend-item-tile';
CLASS[_legendItemHidden] = 'c3-legend-item-hidden';
CLASS[_legendItemFocused] = 'c3-legend-item-focused';
CLASS[_dragarea] = 'c3-dragarea';
CLASS[_EXPANDED] = '_expanded_';
CLASS[_SELECTED] = '_selected_';
CLASS[_INCLUDED] = '_included_';
c3_chart_internal_fn.generateClass = function (prefix, targetId) {
return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
};
c3_chart_internal_fn.classText = function (d) {
return this.generateClass(CLASS[_text], d.index);
};
c3_chart_internal_fn.classTexts = function (d) {
return this.generateClass(CLASS[_texts], d.id);
};
c3_chart_internal_fn.classShape = function (d) {
return this.generateClass(CLASS[_shape], d.index);
};
c3_chart_internal_fn.classShapes = function (d) {
return this.generateClass(CLASS[_shapes], d.id);
};
c3_chart_internal_fn.classLine = function (d) {
return this.classShape(d) + this.generateClass(CLASS[_line], d.id);
};
c3_chart_internal_fn.classLines = function (d) {
return this.classShapes(d) + this.generateClass(CLASS[_lines], d.id);
};
c3_chart_internal_fn.classCircle = function (d) {
return this.classShape(d) + this.generateClass(CLASS[_circle], d.index);
};
c3_chart_internal_fn.classCircles = function (d) {
return this.classShapes(d) + this.generateClass(CLASS[_circles], d.id);
};
c3_chart_internal_fn.classBar = function (d) {
return this.classShape(d) + this.generateClass(CLASS[_bar], d.index);
};
c3_chart_internal_fn.classBars = function (d) {
return this.classShapes(d) + this.generateClass(CLASS[_bars], d.id);
};
c3_chart_internal_fn.classArc = function (d) {
return this.classShape(d.data) + this.generateClass(CLASS[_arc], d.data.id);
};
c3_chart_internal_fn.classArcs = function (d) {
return this.classShapes(d.data) + this.generateClass(CLASS[_arcs], d.data.id);
};
c3_chart_internal_fn.classArea = function (d) {
return this.classShape(d) + this.generateClass(CLASS[_area], d.id);
};
c3_chart_internal_fn.classAreas = function (d) {
return this.classShapes(d) + this.generateClass(CLASS[_areas], d.id);
};
c3_chart_internal_fn.classRegion = function (d, i) {
return this.generateClass(CLASS[_region], i) + ' ' + ('class' in d ? d.class : '');
};
c3_chart_internal_fn.classEvent = function (d) {
return this.generateClass(CLASS[_eventRect], d.index);
};
c3_chart_internal_fn.classTarget = function (id) {
var $$ = this;
var additionalClassSuffix = $$.config[__data_classes][id], additionalClass = '';
if (additionalClassSuffix) {
additionalClass = ' ' + CLASS[_target] + '-' + additionalClassSuffix;
}
return $$.generateClass(CLASS[_target], id) + additionalClass;
};
c3_chart_internal_fn.classChartText = function (d) {
return CLASS[_chartText] + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartLine = function (d) {
return CLASS[_chartLine] + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartBar = function (d) {
return CLASS[_chartBar] + this.classTarget(d.id);
};
c3_chart_internal_fn.classChartArc = function (d) {
return CLASS[_chartArc] + this.classTarget(d.data.id);
};
c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
return targetId || targetId === 0 ? '-' + (targetId.replace ? targetId.replace(/([^a-zA-Z0-9-_])/g, '-') : targetId) : '';
};
c3_chart_internal_fn.selectorTarget = function (id) {
return '.' + CLASS[_target] + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorTargets = function (ids) {
var $$ = this;
return ids.length ? ids.map(function (id) { return $$.selectorTarget(id); }) : null;
};
c3_chart_internal_fn.selectorLegend = function (id) {
return '.' + CLASS[_legendItem] + this.getTargetSelectorSuffix(id);
};
c3_chart_internal_fn.selectorLegends = function (ids) {
var $$ = this;
return ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null;
};

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c3_chart_internal_fn.getClipPath = function (id) {
var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
};
c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
// axis line width + padding for left
return forHorizontal ? -(1 + 30) : -(this.margin.left - 1);
};
c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
return forHorizontal ? -20 : -4;
};
c3_chart_internal_fn.getXAxisClipX = function () {
var $$ = this;
return $$.getAxisClipX(!$$.config[__axis_rotated]);
};
c3_chart_internal_fn.getXAxisClipY = function () {
var $$ = this;
return $$.getAxisClipY(!$$.config[__axis_rotated]);
};
c3_chart_internal_fn.getYAxisClipX = function () {
var $$ = this;
return $$.getAxisClipX($$.config[__axis_rotated]);
};
c3_chart_internal_fn.getYAxisClipY = function () {
var $$ = this;
return $$.getAxisClipY($$.config[__axis_rotated]);
};
c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
var $$ = this;
// width + axis line width + padding for left/right
return forHorizontal ? $$.width + 2 + 30 + 30 : $$.margin.left + 20;
};
c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
var $$ = this, config = $$.config;
return forHorizontal ? (config[__axis_x_height] ? config[__axis_x_height] : 0) + 80 : $$.height + 8;
};
c3_chart_internal_fn.getXAxisClipWidth = function () {
var $$ = this;
return $$.getAxisClipWidth(!$$.config[__axis_rotated]);
};
c3_chart_internal_fn.getXAxisClipHeight = function () {
var $$ = this;
return $$.getAxisClipHeight(!$$.config[__axis_rotated]);
};
c3_chart_internal_fn.getYAxisClipWidth = function () {
var $$ = this;
return $$.getAxisClipWidth($$.config[__axis_rotated]);
};
c3_chart_internal_fn.getYAxisClipHeight = function () {
var $$ = this;
return $$.getAxisClipHeight($$.config[__axis_rotated]);
};

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c3_chart_internal_fn.generateColor = function () {
var $$ = this, config = $$.config, d3 = $$.d3,
colors = config[__data_colors],
pattern = notEmpty(config[__color_pattern]) ? config[__color_pattern] : d3.scale.category10().range(),
callback = config[__data_color],
ids = [];
return function (d) {
var id = d.id || d, color;
// if callback function is provided
if (colors[id] instanceof Function) {
color = colors[id](d);
}
// if specified, choose that color
else if (colors[id]) {
color = colors[id];
}
// if not specified, choose from pattern
else {
if (ids.indexOf(id) < 0) { ids.push(id); }
color = pattern[ids.indexOf(id) % pattern.length];
colors[id] = color;
}
return callback instanceof Function ? callback(color, d) : color;
};
};
c3_chart_internal_fn.generateLevelColor = function () {
var $$ = this, config = $$.config,
colors = config[__color_pattern],
threshold = config[__color_threshold],
asValue = threshold.unit === 'value',
values = threshold.values && threshold.values.length ? threshold.values : [],
max = threshold.max || 100;
return notEmpty(config[__color_threshold]) ? function (value) {
var i, v, color = colors[colors.length - 1];
for (i = 0; i < values.length; i++) {
v = asValue ? value : (value * 100 / max);
if (v < values[i]) {
color = colors[i];
break;
}
}
return color;
} : null;
};

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var __bindto = 'bindto',
__size_width = 'size_width',
__size_height = 'size_height',
__padding_left = 'padding_left',
__padding_right = 'padding_right',
__padding_top = 'padding_top',
__padding_bottom = 'padding_bottom',
__zoom_enabled = 'zoom_enabled',
__zoom_extent = 'zoom_extent',
__zoom_privileged = 'zoom_privileged',
__zoom_onzoom = 'zoom_onzoom',
__interaction_enabled = 'interaction_enabled',
__onmouseover = 'onmouseover',
__onmouseout = 'onmouseout',
__onresize = 'onresize',
__onresized = 'onresized',
__transition_duration = 'transition_duration',
__data_x = 'data_x',
__data_xs = 'data_xs',
__data_x_format = 'data_x_format',
__data_x_localtime = 'data_x_localtime',
__data_id_converter = 'data_id_converter',
__data_names = 'data_names',
__data_classes = 'data_classes',
__data_groups = 'data_groups',
__data_axes = 'data_axes',
__data_type = 'data_type',
__data_types = 'data_types',
__data_labels = 'data_labels',
__data_order = 'data_order',
__data_regions = 'data_regions',
__data_color = 'data_color',
__data_colors = 'data_colors',
__data_hide = 'data_hide',
__data_filter = 'data_filter',
__data_selection_enabled = 'data_selection_enabled',
__data_selection_grouped = 'data_selection_grouped',
__data_selection_isselectable = 'data_selection_isselectable',
__data_selection_multiple = 'data_selection_multiple',
__data_onclick = 'data_onclick',
__data_onmouseover = 'data_onmouseover',
__data_onmouseout = 'data_onmouseout',
__data_onselected = 'data_onselected',
__data_onunselected = 'data_onunselected',
__data_ondragstart = 'data_ondragstart',
__data_ondragend = 'data_ondragend',
__data_url = 'data_url',
__data_json = 'data_json',
__data_rows = 'data_rows',
__data_columns = 'data_columns',
__data_mimeType = 'data_mimeType',
__data_keys = 'data_keys',
__data_empty_label_text = 'data_empty_label_text',
__subchart_show = 'subchart_show',
__subchart_size_height = 'subchart_size_height',
__subchart_onbrush = 'subchart_onbrush',
__color_pattern = 'color_pattern',
__color_threshold = 'color_threshold',
__legend_show = 'legend_show',
__legend_position = 'legend_position',
__legend_inset_anchor = 'legend_inset_anchor',
__legend_inset_x = 'legend_inset_x',
__legend_inset_y = 'legend_inset_y',
__legend_inset_step = 'legend_inset_step',
__legend_item_onclick = 'legend_item_onclick',
__legend_item_onmouseover = 'legend_item_onmouseover',
__legend_item_onmouseout = 'legend_item_onmouseout',
__legend_equally = 'legend_equally',
__axis_rotated = 'axis_rotated',
__axis_x_show = 'axis_x_show',
__axis_x_type = 'axis_x_type',
__axis_x_localtime = 'axis_x_localtime',
__axis_x_categories = 'axis_x_categories',
__axis_x_tick_centered = 'axis_x_tick_centered',
__axis_x_tick_format = 'axis_x_tick_format',
__axis_x_tick_culling = 'axis_x_tick_culling',
__axis_x_tick_culling_max = 'axis_x_tick_culling_max',
__axis_x_tick_count = 'axis_x_tick_count',
__axis_x_tick_fit = 'axis_x_tick_fit',
__axis_x_tick_values = 'axis_x_tick_values',
__axis_x_tick_rotate = 'axis_x_tick_rotate',
__axis_x_tick_outer = 'axis_x_tick_outer',
__axis_x_max = 'axis_x_max',
__axis_x_min = 'axis_x_min',
__axis_x_padding = 'axis_x_padding',
__axis_x_height = 'axis_x_height',
__axis_x_default = 'axis_x_default',
__axis_x_label = 'axis_x_label',
__axis_y_show = 'axis_y_show',
__axis_y_max = 'axis_y_max',
__axis_y_min = 'axis_y_min',
__axis_y_center = 'axis_y_center',
__axis_y_label = 'axis_y_label',
__axis_y_tick_format = 'axis_y_tick_format',
__axis_y_tick_outer = 'axis_y_tick_outer',
__axis_y_padding = 'axis_y_padding',
__axis_y_ticks = 'axis_y_ticks',
__axis_y2_show = 'axis_y2_show',
__axis_y2_max = 'axis_y2_max',
__axis_y2_min = 'axis_y2_min',
__axis_y2_center = 'axis_y2_center',
__axis_y2_label = 'axis_y2_label',
__axis_y2_tick_format = 'axis_y2_tick_format',
__axis_y2_tick_outer = 'axis_y2_tick_outer',
__axis_y2_padding = 'axis_y2_padding',
__axis_y2_ticks = 'axis_y2_ticks',
__grid_x_show = 'grid_x_show',
__grid_x_type = 'grid_x_type',
__grid_x_lines = 'grid_x_lines',
__grid_y_show = 'grid_y_show',
__grid_y_lines = 'grid_y_lines',
__grid_y_ticks = 'grid_y_ticks',
__grid_focus_show = 'grid_focus_show',
__point_show = 'point_show',
__point_r = 'point_r',
__point_focus_expand_enabled = 'point_focus_expand_enabled',
__point_focus_expand_r = 'point_focus_expand_r',
__point_select_r = 'point_select_r',
__line_connect_null = 'line_connect_null',
__bar_width = 'bar_width',
__bar_width_ratio = 'bar_width_ratio',
__bar_width_max = 'bar_width_max',
__bar_zerobased = 'bar_zerobased',
__area_zerobased = 'area_zerobased',
__pie_label_show = 'pie_label_show',
__pie_label_format = 'pie_label_format',
__pie_label_threshold = 'pie_label_threshold',
__pie_sort = 'pie_sort',
__pie_expand = 'pie_expand',
__gauge_label_show = 'gauge_label_show',
__gauge_label_format = 'gauge_label_format',
__gauge_expand = 'gauge_expand',
__gauge_min = 'gauge_min',
__gauge_max = 'gauge_max',
__gauge_units = 'gauge_units',
__gauge_width = 'gauge_width',
__donut_label_show = 'donut_label_show',
__donut_label_format = 'donut_label_format',
__donut_label_threshold = 'donut_label_threshold',
__donut_width = 'donut_width',
__donut_sort = 'donut_sort',
__donut_expand = 'donut_expand',
__donut_title = 'donut_title',
__regions = 'regions',
__tooltip_show = 'tooltip_show',
__tooltip_grouped = 'tooltip_grouped',
__tooltip_format_title = 'tooltip_format_title',
__tooltip_format_name = 'tooltip_format_name',
__tooltip_format_value = 'tooltip_format_value',
__tooltip_contents = 'tooltip_contents',
__tooltip_init_show = 'tooltip_init_show',
__tooltip_init_x = 'tooltip_init_x',
__tooltip_init_position = 'tooltip_init_position';
var config = c3_chart_internal_fn.config = {};
config[__bindto] = '#chart';
config[__size_width] = undefined;
config[__size_height] = undefined;
config[__padding_left] = undefined;
config[__padding_right] = undefined;
config[__padding_top] = undefined;
config[__padding_bottom] = undefined;
config[__zoom_enabled] = false;
config[__zoom_extent] = undefined;
config[__zoom_privileged] = false;
config[__zoom_onzoom] = function () {};
config[__interaction_enabled] = true;
config[__onmouseover] = function () {};
config[__onmouseout] = function () {};
config[__onresize] = function () {};
config[__onresized] = function () {};
config[__transition_duration] = 350;
config[__data_x] = undefined;
config[__data_xs] = {};
config[__data_x_format] = '%Y-%m-%d';
config[__data_x_localtime] = true;
config[__data_id_converter] = function (id) { return id; };
config[__data_names] = {};
config[__data_classes] = {};
config[__data_groups] = [];
config[__data_axes] = {};
config[__data_type] = undefined;
config[__data_types] = {};
config[__data_labels] = {};
config[__data_order] = 'desc';
config[__data_regions] = {};
config[__data_color] = undefined;
config[__data_colors] = {};
config[__data_hide] = false;
config[__data_filter] = undefined;
config[__data_selection_enabled] = false;
config[__data_selection_grouped] = false;
config[__data_selection_isselectable] = function () { return true; };
config[__data_selection_multiple] = true;
config[__data_onclick] = function () {};
config[__data_onmouseover] = function () {};
config[__data_onmouseout] = function () {};
config[__data_onselected] = function () {};
config[__data_onunselected] = function () {};
config[__data_ondragstart] = function () {};
config[__data_ondragend] = function () {};
config[__data_url] = undefined;
config[__data_json] = undefined;
config[__data_rows] = undefined;
config[__data_columns] = undefined;
config[__data_mimeType] = undefined;
config[__data_keys] = undefined;
// configuration for no plot-able data supplied.
config[__data_empty_label_text] = "";
// subchart
config[__subchart_show] = false;
config[__subchart_size_height] = 60;
config[__subchart_onbrush] = function () {};
// color
config[__color_pattern] = [];
config[__color_threshold] = {};
// legend
config[__legend_show] = true;
config[__legend_position] = 'bottom';
config[__legend_inset_anchor] = 'top-left';
config[__legend_inset_x] = 10;
config[__legend_inset_y] = 0;
config[__legend_inset_step] = undefined;
config[__legend_item_onclick] = undefined;
config[__legend_item_onmouseover] = undefined;
config[__legend_item_onmouseout] = undefined;
config[__legend_equally] = false;
// axis
config[__axis_rotated] = false;
config[__axis_x_show] = true;
config[__axis_x_type] = 'indexed';
config[__axis_x_localtime] = true;
config[__axis_x_categories] = [];
config[__axis_x_tick_centered] = false;
config[__axis_x_tick_format] = undefined;
config[__axis_x_tick_culling] = {};
config[__axis_x_tick_culling_max] = 10;
config[__axis_x_tick_count] = undefined;
config[__axis_x_tick_fit] = true;
config[__axis_x_tick_values] = null;
config[__axis_x_tick_rotate] = undefined;
config[__axis_x_tick_outer] = true;
config[__axis_x_max] = null;
config[__axis_x_min] = null;
config[__axis_x_padding] = {};
config[__axis_x_height] = undefined;
config[__axis_x_default] = undefined;
config[__axis_x_label] = {};
config[__axis_y_show] = true;
config[__axis_y_max] = undefined;
config[__axis_y_min] = undefined;
config[__axis_y_center] = undefined;
config[__axis_y_label] = {};
config[__axis_y_tick_format] = undefined;
config[__axis_y_tick_outer] = true;
config[__axis_y_padding] = undefined;
config[__axis_y_ticks] = 10;
config[__axis_y2_show] = false;
config[__axis_y2_max] = undefined;
config[__axis_y2_min] = undefined;
config[__axis_y2_center] = undefined;
config[__axis_y2_label] = {};
config[__axis_y2_tick_format] = undefined;
config[__axis_y2_tick_outer] = true;
config[__axis_y2_padding] = undefined;
config[__axis_y2_ticks] = 10;
// grid
config[__grid_x_show] = false;
config[__grid_x_type] = 'tick';
config[__grid_x_lines] = [];
config[__grid_y_show] = false;
// not used
// grid_y_type: {}, 'tick'),
config[__grid_y_lines] = [];
config[__grid_y_ticks] = 10;
config[__grid_focus_show] = true;
// point - point of each data
config[__point_show] = true;
config[__point_r] = 2.5;
config[__point_focus_expand_enabled] = true;
config[__point_focus_expand_r] = undefined;
config[__point_select_r] = undefined;
config[__line_connect_null] = false;
// bar
config[__bar_width] = undefined;
config[__bar_width_ratio] = 0.6;
config[__bar_width_max] = undefined;
config[__bar_zerobased] = true;
// area
config[__area_zerobased] = true;
// pie
config[__pie_label_show] = true;
config[__pie_label_format] = undefined;
config[__pie_label_threshold] = 0.05;
config[__pie_sort] = true;
config[__pie_expand] = true;
// gauge
config[__gauge_label_show] = true;
config[__gauge_label_format] = undefined;
config[__gauge_expand] = true;
config[__gauge_min] = 0;
config[__gauge_max] = 100;
config[__gauge_units] = undefined;
config[__gauge_width] = undefined;
// donut
config[__donut_label_show] = true;
config[__donut_label_format] = undefined;
config[__donut_label_threshold] = 0.05;
config[__donut_width] = undefined;
config[__donut_sort] = true;
config[__donut_expand] = true;
config[__donut_title] = "";
// region - region to change style
config[__regions] = [];
// tooltip - show when mouseover on each data
config[__tooltip_show] = true;
config[__tooltip_grouped] = true;
config[__tooltip_format_title] = undefined;
config[__tooltip_format_name] = undefined;
config[__tooltip_format_value] = undefined;
config[__tooltip_contents] = function (d, defaultTitleFormat, defaultValueFormat, color) {
return this.getTooltipContent ? this.getTooltipContent(d, defaultValueFormat, defaultValueFormat, color) : '';
},
config[__tooltip_init_show] = false;
config[__tooltip_init_x] = 0;
config[__tooltip_init_position] = {top: '0px', left: '50px'};
c3_chart_internal_fn.loadConfig = function (config) {
var this_config = this.config, target, keys, read;
function find() {
var key = keys.shift();
// console.log("key =>", key, ", target =>", target);
if (key && target && key in target) {
target = target[key];
return find();
}
else if (!key) {
return target;
}
else {
return undefined;
}
}
Object.keys(this_config).forEach(function (key) {
target = config;
keys = key.split('_');
read = find();
// console.log("CONFIG : ", key, read);
if (isDefined(read)) {
this_config[key] = read;
}
});
};

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c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) {
var $$ = this, type = mimeType ? mimeType : 'csv';
$$.d3.xhr(url, function (error, data) {
var d;
if (type === 'json') {
d = $$.convertJsonToData(JSON.parse(data.response), keys);
} else {
d = $$.convertCsvToData(data.response);
}
done(d);
});
};
c3_chart_internal_fn.convertCsvToData = function (csv) {
var d3 = this.d3, 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;
};
c3_chart_internal_fn.convertJsonToData = function (json, keys) {
var $$ = this,
new_rows = [], targetKeys, data;
if (keys) { // when keys specified, json would be an array that includes objects
targetKeys = keys.value;
if (keys.x) {
targetKeys.push(keys.x);
$$.config[__data_x] = keys.x;
}
new_rows.push(targetKeys);
json.forEach(function (o) {
var new_row = [];
targetKeys.forEach(function (key) {
// convert undefined to null because undefined data will be removed in convertDataToTargets()
var v = isUndefined(o[key]) ? 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;
};
c3_chart_internal_fn.convertRowsToData = function (rows) {
var keys = rows[0], new_row = {}, new_rows = [], i, j;
for (i = 1; i < rows.length; i++) {
new_row = {};
for (j = 0; j < rows[i].length; j++) {
if (isUndefined(rows[i][j])) {
throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
}
new_row[keys[j]] = rows[i][j];
}
new_rows.push(new_row);
}
return new_rows;
};
c3_chart_internal_fn.convertColumnsToData = function (columns) {
var new_rows = [], i, j, key;
for (i = 0; i < columns.length; i++) {
key = columns[i][0];
for (j = 1; j < columns[i].length; j++) {
if (isUndefined(new_rows[j - 1])) {
new_rows[j - 1] = {};
}
if (isUndefined(columns[i][j])) {
throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
}
new_rows[j - 1][key] = columns[i][j];
}
}
return new_rows;
};
c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
var $$ = this, config = $$.config,
ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
xs = $$.d3.keys(data[0]).filter($$.isX, $$),
targets;
// save x for update data by load when custom x and c3.x API
ids.forEach(function (id) {
var xKey = $$.getXKey(id);
if ($$.isCustomX() || $$.isTimeSeries()) {
// if included in input data
if (xs.indexOf(xKey) >= 0) {
$$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
data.map(function (d) { return d[xKey]; })
.filter(isValue)
.map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); })
);
}
// if not included in input data, find from preloaded data of other id's x
else if (config[__data_x]) {
$$.data.xs[id] = $$.getOtherTargetXs();
}
// if not included in input data, find from preloaded data
else if (notEmpty(config[__data_xs])) {
$$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
}
// MEMO: if no x included, use same x of current will be used
} else {
$$.data.xs[id] = data.map(function (d, i) { return i; });
}
});
// check x is defined
ids.forEach(function (id) {
if (!$$.data.xs[id]) {
throw new Error('x is not defined for id = "' + id + '".');
}
});
// convert to target
targets = ids.map(function (id, index) {
var convertedId = config[__data_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) { config[__axis_x_categories] = []; }
config[__axis_x_categories].push(rawX);
}
// mark as x = undefined if value is undefined and filter to remove after mapped
if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
x = undefined;
}
return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId};
}).filter(function (v) { return isDefined(v.x); })
};
});
// finish targets
targets.forEach(function (t) {
var i;
// sort values by its x
t.values = t.values.sort(function (v1, v2) {
var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
return x1 - x2;
});
// indexing each value
i = 0;
t.values.forEach(function (v) {
v.index = i++;
});
// this needs to be sorted because its index and value.index is identical
$$.data.xs[t.id].sort(function (v1, v2) {
return v1 - v2;
});
});
// set target types
if (config[__data_type]) {
$$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config[__data_types]); }), config[__data_type]);
}
// cache as original id keyed
targets.forEach(function (d) {
$$.addCache(d.id_org, d);
});
return targets;
};

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c3_chart_internal_fn.isX = function (key) {
var $$ = this, config = $$.config;
return (config[__data_x] && key === config[__data_x]) || (notEmpty(config[__data_xs]) && hasValue(config[__data_xs], key));
};
c3_chart_internal_fn.isNotX = function (key) {
return !this.isX(key);
};
c3_chart_internal_fn.getXKey = function (id) {
var $$ = this, config = $$.config;
return config[__data_x] ? config[__data_x] : notEmpty(config[__data_xs]) ? config[__data_xs][id] : null;
};
c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
var $$ = this,
xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
ids.forEach(function (id) {
if ($$.getXKey(id) === key) {
xValues = $$.data.xs[id];
}
});
return xValues;
};
c3_chart_internal_fn.getXValue = function (id, i) {
var $$ = this;
return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
};
c3_chart_internal_fn.getOtherTargetXs = function () {
var $$ = this,
idsForX = Object.keys($$.data.xs);
return idsForX.length ? $$.data.xs[idsForX[0]] : null;
};
c3_chart_internal_fn.getOtherTargetX = function (index) {
var xs = this.getOtherTargetXs();
return xs && index < xs.length ? xs[index] : null;
};
c3_chart_internal_fn.addXs = function (xs) {
var $$ = this;
Object.keys(xs).forEach(function (id) {
$$.config[__data_xs][id] = xs[id];
});
};
c3_chart_internal_fn.isSingleX = function (xs) {
return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() === 1;
};
c3_chart_internal_fn.addName = function (data) {
var $$ = this, name;
if (data) {
name = $$.config[__data_names][data.id];
data.name = name ? name : data.id;
}
return data;
};
c3_chart_internal_fn.getValueOnIndex = function (values, index) {
var valueOnIndex = values.filter(function (v) { return v.index === index; });
return valueOnIndex.length ? valueOnIndex[0] : null;
};
c3_chart_internal_fn.updateTargetX = function (targets, x) {
var $$ = this;
targets.forEach(function (t) {
t.values.forEach(function (v, i) {
v.x = $$.generateTargetX(x[i], t.id, i);
});
$$.data.xs[t.id] = x;
});
};
c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
var $$ = this;
targets.forEach(function (t) {
if (xs[t.id]) {
$$.updateTargetX([t], xs[t.id]);
}
});
};
c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
var $$ = this, x;
if ($$.isTimeSeries()) {
x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
}
else if ($$.isCustomX() && !$$.isCategorized()) {
x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
}
else {
x = index;
}
return x;
};
c3_chart_internal_fn.cloneTarget = function (target) {
return {
id : target.id,
id_org : target.id_org,
values : target.values.map(function (d) {
return {x: d.x, value: d.value, id: d.id};
})
};
};
c3_chart_internal_fn.getPrevX = function (i) {
var $$ = this, value = $$.getValueOnIndex($$.data.targets[0].values, i - 1);
return value ? value.x : null;
};
c3_chart_internal_fn.getNextX = function (i) {
var $$ = this, value = $$.getValueOnIndex($$.data.targets[0].values, i + 1);
return value ? value.x : null;
};
c3_chart_internal_fn.getMaxDataCount = function () {
var $$ = this;
return $$.d3.max($$.data.targets, function (t) { return t.values.length; });
};
c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
var length = targets.length, max = 0, maxTarget;
if (length > 1) {
targets.forEach(function (t) {
if (t.values.length > max) {
maxTarget = t;
max = t.values.length;
}
});
} else {
maxTarget = length ? targets[0] : null;
}
return maxTarget;
};
c3_chart_internal_fn.getEdgeX = function (targets) {
var target = this.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];
};
c3_chart_internal_fn.mapToIds = function (targets) {
return targets.map(function (d) { return d.id; });
};
c3_chart_internal_fn.mapToTargetIds = function (ids) {
var $$ = this;
return ids ? (isString(ids) ? [ids] : ids) : $$.mapToIds($$.data.targets);
};
c3_chart_internal_fn.hasTarget = function (targets, id) {
var ids = this.mapToIds(targets), i;
for (i = 0; i < ids.length; i++) {
if (ids[i] === id) {
return true;
}
}
return false;
};
c3_chart_internal_fn.isTargetToShow = function (targetId) {
return this.hiddenTargetIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.isLegendToShow = function (targetId) {
return this.hiddenLegendIds.indexOf(targetId) < 0;
};
c3_chart_internal_fn.filterTargetsToShow = function (targets) {
var $$ = this;
return targets.filter(function (t) { return $$.isTargetToShow(t.id); });
};
c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
var $$ = this;
var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return v.x; }); }))).values();
return $$.isTimeSeries() ? xs.map(function (x) { return new Date(x); }) : xs.map(function (x) { return +x; });
};
c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
};
c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
};
c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
var ys = {};
targets.forEach(function (t) {
ys[t.id] = [];
t.values.forEach(function (v) {
ys[t.id].push(v.value);
});
});
return ys;
};
c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
var ids = Object.keys(targets), i, j, values;
for (i = 0; i < ids.length; i++) {
values = targets[ids[i]].values;
for (j = 0; j < values.length; j++) {
if (checker(values[j].value)) {
return true;
}
}
}
return false;
};
c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v < 0; });
};
c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
return this.checkValueInTargets(targets, function (v) { return v > 0; });
};
c3_chart_internal_fn.isOrderDesc = function () {
var config = this.config;
return config[__data_order] && config[__data_order].toLowerCase() === 'desc';
};
c3_chart_internal_fn.isOrderAsc = function () {
var config = this.config;
return config[__data_order] && config[__data_order].toLowerCase() === 'asc';
};
c3_chart_internal_fn.orderTargets = function (targets) {
var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
if (orderAsc || orderDesc) {
targets.sort(function (t1, t2) {
var reducer = function (p, c) { return p + Math.abs(c.value); };
var t1Sum = t1.values.reduce(reducer, 0),
t2Sum = t2.values.reduce(reducer, 0);
return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
});
} else if (isFunction(config[__data_order])) {
targets.sort(config[__data_order]);
} // TODO: accept name array for order
return targets;
};
c3_chart_internal_fn.filterSameX = function (targets, x) {
return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
};
c3_chart_internal_fn.filterRemoveNull = function (data) {
return data.filter(function (d) { return isValue(d.value); });
};
c3_chart_internal_fn.hasDataLabel = function () {
var config = this.config;
if (typeof config[__data_labels] === 'boolean' && config[__data_labels]) {
return true;
} else if (typeof config[__data_labels] === 'object' && notEmpty(config[__data_labels])) {
return true;
}
return false;
};
c3_chart_internal_fn.getDataLabelLength = function (min, max, axisId, key) {
var $$ = this,
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;
};
c3_chart_internal_fn.isNoneArc = function (d) {
return this.hasTarget(this.data.targets, d.id);
},
c3_chart_internal_fn.isArc = function (d) {
return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
};
c3_chart_internal_fn.findSameXOfValues = function (values, index) {
var i, targetX = values[index].x, sames = [];
for (i = index - 1; i >= 0; i--) {
if (targetX !== values[i].x) { break; }
sames.push(values[i]);
}
for (i = index; i < values.length; i++) {
if (targetX !== values[i].x) { break; }
sames.push(values[i]);
}
return sames;
};
c3_chart_internal_fn.findClosestOfValues = function (values, pos, _min, _max) { // MEMO: values must be sorted by x
var $$ = this,
min = _min ? _min : 0,
max = _max ? _max : values.length - 1,
med = Math.floor((max - min) / 2) + min,
value = values[med],
diff = $$.x(value.x) - pos[$$.config[__axis_rotated] ? 1 : 0],
candidates;
// Update range for search
diff > 0 ? max = med : min = med;
// if candidates are two closest min and max, stop recursive call
if ((max - min) === 1 || (min === 0 && max === 0)) {
// Get candidates that has same min and max index
candidates = [];
if (values[min].x || values[min].x === 0) {
candidates = candidates.concat($$.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 $$.findClosestOfValues(values, pos, min, max);
};
c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
var $$ = this, candidates;
// map to array of closest points of each target
candidates = targets.map(function (target) {
return $$.findClosestOfValues(target.values, pos);
});
// decide closest point and return
return $$.findClosest(candidates, pos);
};
c3_chart_internal_fn.findClosest = function (values, pos) {
var $$ = this, minDist, closest;
values.forEach(function (v) {
var d = $$.dist(v, pos);
if (d < minDist || ! minDist) {
minDist = d;
closest = v;
}
});
return closest;
};
c3_chart_internal_fn.dist = function (data, pos) {
var $$ = this, config = $$.config,
yScale = $$.getAxisId(data.id) === 'y' ? $$.y : $$.y2,
xIndex = config[__axis_rotated] ? 1 : 0,
yIndex = config[__axis_rotated] ? 0 : 1;
return Math.pow($$.x(data.x) - pos[xIndex], 2) + Math.pow(yScale(data.value) - pos[yIndex], 2);
};

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c3_chart_internal_fn.load = function (targets, args) {
var $$ = this;
if (targets) {
// filter loading targets if needed
if (args.filter) {
targets = targets.filter(args.filter);
}
// set type if args.types || args.type specified
if (args.type || args.types) {
targets.forEach(function (t) {
$$.setTargetType(t.id, args.types ? args.types[t.id] : args.type);
});
}
// Update/Add data
$$.data.targets.forEach(function (d) {
for (var i = 0; i < targets.length; i++) {
if (d.id === targets[i].id) {
d.values = targets[i].values;
targets.splice(i, 1);
break;
}
}
});
$$.data.targets = $$.data.targets.concat(targets); // add remained
}
// Set targets
$$.updateTargets($$.data.targets);
// Redraw with new targets
$$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
if (isFunction(args.done)) {
args.done();
}
};
c3_chart_internal_fn.loadFromArgs = function (args) {
var $$ = this;
if (args.data) {
$$.load($$.convertDataToTargets(args.data), args);
}
else if (args.url) {
$$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) {
$$.load($$.convertDataToTargets(data), args);
});
}
else if (args.json) {
$$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
}
else if (args.rows) {
$$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
}
else if (args.columns) {
$$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
}
else {
$$.load(null, args);
}
};
c3_chart_internal_fn.unload = function (targetIds, done) {
var $$ = this;
if (!isFunction(done)) {
done = function () {};
}
// filter existing target
targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); });
// If no target, call done and return
if (!targetIds || targetIds.length === 0) {
done();
return;
}
$$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); }))
.transition()
.style('opacity', 0)
.remove()
.call($$.endall, done);
targetIds.forEach(function (id) {
// Reset fadein for future load
$$.withoutFadeIn[id] = false;
// Remove target's elements
if ($$.legend) {
$$.legend.selectAll('.' + CLASS[_legendItem] + $$.getTargetSelectorSuffix(id)).remove();
}
// Remove target
$$.data.targets = $$.data.targets.filter(function (t) {
return t.id !== id;
});
});
};

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c3_chart_internal_fn.getYDomainMin = function (targets) {
var $$ = this, config = $$.config,
ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
j, k, baseId, idsInGroup, id, hasNegativeValue;
if (config[__data_groups].length > 0) {
hasNegativeValue = $$.hasNegativeValueInTargets(targets);
for (j = 0; j < config[__data_groups].length; j++) {
// Determine baseId
idsInGroup = config[__data_groups][j].filter(function (id) { return ids.indexOf(id) >= 0; });
if (idsInGroup.length === 0) { continue; }
baseId = idsInGroup[0];
// Consider negative values
if (hasNegativeValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v < 0 ? v : 0;
});
}
// Compute min
for (k = 1; k < idsInGroup.length; k++) {
id = idsInGroup[k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if ($$.getAxisId(id) === $$.getAxisId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); }));
};
c3_chart_internal_fn.getYDomainMax = function (targets) {
var $$ = this, config = $$.config,
ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
j, k, baseId, idsInGroup, id, hasPositiveValue;
if (config[__data_groups].length > 0) {
hasPositiveValue = $$.hasPositiveValueInTargets(targets);
for (j = 0; j < config[__data_groups].length; j++) {
// Determine baseId
idsInGroup = config[__data_groups][j].filter(function (id) { return ids.indexOf(id) >= 0; });
if (idsInGroup.length === 0) { continue; }
baseId = idsInGroup[0];
// Consider positive values
if (hasPositiveValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v > 0 ? v : 0;
});
}
// Compute max
for (k = 1; k < idsInGroup.length; k++) {
id = idsInGroup[k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if ($$.getAxisId(id) === $$.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]); }));
};
c3_chart_internal_fn.getYDomain = function (targets, axisId) {
var $$ = this, config = $$.config,
yTargets = targets.filter(function (d) { return $$.getAxisId(d.id) === axisId; }),
yMin = axisId === 'y2' ? config[__axis_y2_min] : config[__axis_y_min],
yMax = axisId === 'y2' ? config[__axis_y2_max] : config[__axis_y_max],
yDomainMin = isValue(yMin) ? yMin : $$.getYDomainMin(yTargets),
yDomainMax = isValue(yMax) ? yMax : $$.getYDomainMax(yTargets),
domainLength, padding, padding_top, padding_bottom,
center = axisId === 'y2' ? config[__axis_y2_center] : config[__axis_y_center],
yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
isZeroBased = ($$.hasType('bar', yTargets) && config[__bar_zerobased]) || ($$.hasType('area', yTargets) && config[__area_zerobased]),
showHorizontalDataLabel = $$.hasDataLabel() && config[__axis_rotated],
showVerticalDataLabel = $$.hasDataLabel() && !config[__axis_rotated];
if (yTargets.length === 0) { // use current domain if target of axisId is none
return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
}
if (yDomainMin === yDomainMax) {
yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
}
isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
// Bar/Area chart should be 0-based if all positive|negative
if (isZeroBased) {
if (isAllPositive) { yDomainMin = 0; }
if (isAllNegative) { yDomainMax = 0; }
}
domainLength = Math.abs(yDomainMax - yDomainMin);
padding = padding_top = padding_bottom = domainLength * 0.1;
if (center) {
yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
yDomainMax = yDomainAbs - center;
yDomainMin = center - yDomainAbs;
}
// add padding for data label
if (showHorizontalDataLabel) {
lengths = $$.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' && config[__axis_y_padding]) {
padding_top = $$.getAxisPadding(config[__axis_y_padding], 'top', padding, domainLength);
padding_bottom = $$.getAxisPadding(config[__axis_y_padding], 'bottom', padding, domainLength);
}
if (axisId === 'y2' && config[__axis_y2_padding]) {
padding_top = $$.getAxisPadding(config[__axis_y2_padding], 'top', padding, domainLength);
padding_bottom = $$.getAxisPadding(config[__axis_y2_padding], 'bottom', padding, domainLength);
}
// Bar/Area chart should be 0-based if all positive|negative
if (isZeroBased) {
if (isAllPositive) { padding_bottom = yDomainMin; }
if (isAllNegative) { padding_top = -yDomainMax; }
}
return [yDomainMin - padding_bottom, yDomainMax + padding_top];
};
c3_chart_internal_fn.getXDomainMin = function (targets) {
var $$ = this, config = $$.config;
return config[__axis_x_min] ?
($$.isTimeSeries() ? this.parseDate(config[__axis_x_min]) : config[__axis_x_min]) :
$$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); });
};
c3_chart_internal_fn.getXDomainMax = function (targets) {
var $$ = this, config = $$.config;
return config[__axis_x_max] ?
($$.isTimeSeries() ? this.parseDate(config[__axis_x_max]) : config[__axis_x_max]) :
$$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
};
c3_chart_internal_fn.getXDomainPadding = function (targets) {
var $$ = this, config = $$.config,
edgeX = this.getEdgeX(targets), diff = edgeX[1] - edgeX[0],
maxDataCount, padding, paddingLeft, paddingRight;
if ($$.isCategorized()) {
padding = 0;
} else if ($$.hasType('bar', targets)) {
maxDataCount = $$.getMaxDataCount();
padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
} else {
padding = diff * 0.01;
}
if (typeof config[__axis_x_padding] === 'object' && notEmpty(config[__axis_x_padding])) {
paddingLeft = isValue(config[__axis_x_padding].left) ? config[__axis_x_padding].left : padding;
paddingRight = isValue(config[__axis_x_padding].right) ? config[__axis_x_padding].right : padding;
} else if (typeof config[__axis_x_padding] === 'number') {
paddingLeft = paddingRight = config[__axis_x_padding];
} else {
paddingLeft = paddingRight = padding;
}
return {left: paddingLeft, right: paddingRight};
};
c3_chart_internal_fn.getXDomain = function (targets) {
var $$ = this,
xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
firstX = xDomain[0], lastX = xDomain[1],
padding = $$.getXDomainPadding(targets),
min = 0, max = 0;
// show center of x domain if min and max are the same
if ((firstX - lastX) === 0 && !$$.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];
};
c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, domain) {
var $$ = this, config = $$.config;
if (withUpdateOrgXDomain) {
$$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
$$.orgXDomain = $$.x.domain();
if (config[__zoom_enabled]) { $$.zoom.scale($$.x).updateScaleExtent(); }
$$.subX.domain($$.x.domain());
if ($$.brush) { $$.brush.scale($$.subX); }
}
if (withUpdateXDomain) {
$$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
if (config[__zoom_enabled]) { $$.zoom.scale($$.x).updateScaleExtent(); }
}
return $$.x.domain();
};

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c3_chart_internal_fn.drag = function (mouse) {
var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
var sx, sy, mx, my, minX, maxX, minY, maxY;
if ($$.hasArcType()) { return; }
if (! config[__data_selection_enabled]) { return; } // do nothing if not selectable
if (config[__zoom_enabled] && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
if (!config[__data_selection_multiple]) { return; } // skip when single selection because drag is used for multiple selection
sx = $$.dragStart[0];
sy = $$.dragStart[1];
mx = mouse[0];
my = mouse[1];
minX = Math.min(sx, mx);
maxX = Math.max(sx, mx);
minY = (config[__data_selection_grouped]) ? $$.margin.top : Math.min(sy, my);
maxY = (config[__data_selection_grouped]) ? $$.height : Math.max(sy, my);
main.select('.' + CLASS[_dragarea])
.attr('x', minX)
.attr('y', minY)
.attr('width', maxX - minX)
.attr('height', maxY - minY);
// TODO: binary search when multiple xs
main.selectAll('.' + CLASS[_shapes]).selectAll('.' + CLASS[_shape])
.filter(function (d) { return config[__data_selection_isselectable](d); })
.each(function (d, i) {
var shape = d3.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);
$$.toggle(!isSelected, shape, d, i);
}
});
};
c3_chart_internal_fn.dragstart = function (mouse) {
var $$ = this, config = $$.config;
if ($$.hasArcType()) { return; }
if (! config[__data_selection_enabled]) { return; } // do nothing if not selectable
$$.dragStart = mouse;
$$.main.select('.' + CLASS[_chart]).append('rect')
.attr('class', CLASS[_dragarea])
.style('opacity', 0.1);
$$.dragging = true;
$$.config[__data_ondragstart]();
};
c3_chart_internal_fn.dragend = function () {
var $$ = this, config = $$.config;
if ($$.hasArcType()) { return; }
if (! config[__data_selection_enabled]) { return; } // do nothing if not selectable
$$.main.select('.' + CLASS[_dragarea])
.transition().duration(100)
.style('opacity', 0)
.remove();
$$.main.selectAll('.' + CLASS[_shape])
.classed(CLASS[_INCLUDED], false);
$$.dragging = false;
$$.config[__data_ondragend]();
};

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c3_chart_internal_fn.getYFormat = function (forArc) {
var $$ = this,
formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
return function (v, ratio, id) {
var format = $$.getAxisId(id) === 'y2' ? formatForY2 : formatForY;
return format.call($$, v, ratio);
};
};
c3_chart_internal_fn.yFormat = function (v) {
var $$ = this, config = $$.config,
format = config[__axis_y_tick_format] ? config[__axis_y_tick_format] : $$.defaultValueFormat;
return format(v);
};
c3_chart_internal_fn.y2Format = function (v) {
var $$ = this, config = $$.config,
format = config[__axis_y2_tick_format] ? config[__axis_y2_tick_format] : $$.defaultValueFormat;
return format(v);
};
c3_chart_internal_fn.defaultValueFormat = function (v) {
return isValue(v) ? +v : "";
};
c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
return (ratio * 100).toFixed(1) + '%';
};
c3_chart_internal_fn.formatByAxisId = function (axisId) {
var $$ = this.internal, data_labels = $$.config[__data_labels],
format = function (v) { return isValue(v) ? +v : ""; };
// find format according to axis id
if (isFunction(data_labels.format)) {
format = data_labels.format;
} else if (typeof data_labels.format === 'object') {
if (isFunction(data_labels.format[axisId])) {
format = data_labels.format[axisId];
}
}
return format;
};

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c3_chart_internal_fn.showXGridFocus = function (selectedData) {
var $$ = this, dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); });
if (! config[__tooltip_show]) { return; }
// Hide when scatter plot exists
if ($$.hasType('scatter') || $$.hasArcType()) { return; }
var focusEl = $$.main.selectAll('line.' + CLASS[_xgridFocus]);
focusEl
.style("visibility", "visible")
.data([dataToShow[0]])
.attr(config[__axis_rotated] ? 'y1' : 'x1', generateCall($$.xx, $$))
.attr(config[__axis_rotated] ? 'y2' : 'x2', generateCall($$.xx, $$));
$$.smoothLines(focusEl, 'grid');
};
c3_chart_internal_fn.hideXGridFocus = function () {
this.main.select('line.' + CLASS[_xgridFocus]).style("visibility", "hidden");
};
c3_chart_internal_fn.updateXgridFocus = function () {
var $$ = this, config = $$.config;
$$.main.select('line.' + CLASS[_xgridFocus])
.attr("x1", config[__axis_rotated] ? 0 : -10)
.attr("x2", config[__axis_rotated] ? $$.width : -10)
.attr("y1", config[__axis_rotated] ? -10 : 0)
.attr("y2", config[__axis_rotated] ? -10 : $$.height);
};
c3_chart_internal_fn.generateGridData = function (type, scale) {
var $$ = this,
gridData = [], xDomain, firstYear, lastYear, i,
tickNum = $$.main.select("." + CLASS[_axisX]).selectAll('.tick').size();
if (type === 'year') {
xDomain = $$.getXDomain();
firstYear = xDomain[0].getFullYear();
lastYear = xDomain[1].getFullYear();
for (i = firstYear; i <= lastYear; i++) {
gridData.push(new Date(i + '-01-01 00:00:00'));
}
} else {
gridData = scale.ticks(10);
if (gridData.length > tickNum) { // use only int
gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
}
}
return gridData;
};
c3_chart_internal_fn.getGridFilterToRemove = function (params) {
return params ? function (line) {
var found = false;
[].concat(params).forEach(function (param) {
if ((('value' in param && line.value === params.value) || ('class' in param && line.class === params.class))) {
found = true;
}
});
return found;
} : function () { return true; };
};
c3_chart_internal_fn.removeGridLines = function (params, forX) {
var $$ = this, config = $$.config,
toRemove = $$.getGridFilterToRemove(params),
toShow = function (line) { return !toRemove(line); },
classLines = forX ? CLASS[_xgridLines] : CLASS[_ygridLines],
classLine = forX ? CLASS[_xgridLine] : CLASS.ygridLine;
$$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
.transition().duration(config[__transition_duration])
.style('opacity', 0).remove();
if (forX) {
config[__grid_x_lines] = config[__grid_x_lines].filter(toShow);
} else {
config[__grid_y_lines] = config[__grid_y_lines].filter(toShow);
}
};

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(function (window) {
'use strict';
/*global define, module, exports, require */

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c3_chart_internal_fn.initLegend = function () {
var $$ = this;
$$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
if (!config[__legend_show]) {
$$.legend.style('visibility', 'hidden');
$$.hiddenLegendIds = $$.mapToIds($$.data.targets);
}
// 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($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false});
};
c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
var $$ = this, insetLegendPosition = {
top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config[__legend_inset_y] + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config[__legend_inset_y],
left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config[__legend_inset_x] + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config[__legend_inset_x] + 0.5
};
$$.margin3 = {
top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight,
right: NaN,
bottom: 0,
left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
};
};
c3_chart_internal_fn.transformLegend = function (withTransition) {
var $$ = this;
(withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
};
c3_chart_internal_fn.updateLegendStep = function (step) {
this.legendStep = step;
};
c3_chart_internal_fn.updateLegendItemWidth = function (w) {
this.legendItemWidth = w;
};
c3_chart_internal_fn.updateLegendItemHeight = function (h) {
this.legendItemHeight = h;
};
c3_chart_internal_fn.getLegendWidth = function () {
var $$ = this;
return $$.config[__legend_show] ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
};
c3_chart_internal_fn.getLegendHeight = function () {
var $$ = this, config = $$.config, h = 0;
if (config[__legend_show]) {
if ($$.isLegendRight) {
h = $$.currentHeight;
} else if ($$.isLegendInset) {
h = config[__legend_inset_step] ? Math.max(20, $$.legendItemHeight) * (config[__legend_inset_step] + 1) : $$.height;
} else {
h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
}
}
return h;
};
c3_chart_internal_fn.opacityForLegend = function (legendItem) {
var $$ = this;
return legendItem.classed(CLASS[_legendItemHidden]) ? $$.legendOpacityForHidden : 1;
};
c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
var $$ = this;
return legendItem.classed(CLASS[_legendItemHidden]) ? $$.legendOpacityForHidden : 0.3;
};
c3_chart_internal_fn.toggleFocusLegend = function (id, focus) {
var $$ = this;
$$.legend.selectAll('.' + CLASS[_legendItem])
.transition().duration(100)
.style('opacity', function (_id) {
var This = $$.d3.select(this);
if (id && _id !== id) {
return focus ? $$.opacityForUnfocusedLegend(This) : $$.opacityForLegend(This);
} else {
return focus ? $$.opacityForLegend(This) : $$.opacityForUnfocusedLegend(This);
}
});
};
c3_chart_internal_fn.revertLegend = function () {
var $$ = this, d3 = $$.d3;
$$.legend.selectAll('.' + CLASS[_legendItem])
.transition().duration(100)
.style('opacity', function () { return $$.opacityForLegend(d3.select(this)); });
};
c3_chart_internal_fn.showLegend = function (targetIds) {
var $$ = this, config = $$.config;
if (!config[__legend_show]) {
config[__legend_show] = true;
$$.legend.style('visibility', 'visible');
}
$$.removeHiddenLegendIds(targetIds);
$$.legend.selectAll($$.selectorLegends(targetIds))
.style('visibility', 'visible')
.transition()
.style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); });
};
c3_chart_internal_fn.hideLegend = function (targetIds) {
var $$ = this, config = $$.config;
if (config[__legend_show] && isEmpty(targetIds)) {
config[__legend_show] = false;
$$.legend.style('visibility', 'hidden');
}
$$.addHiddenLegendIds(targetIds);
$$.legend.selectAll($$.selectorLegends(targetIds))
.style('opacity', 0)
.style('visibility', 'hidden');
};
c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
var $$ = this, config = $$.config;
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] = $$.isLegendInset ? 10 : margin;
offsets[id] = totalLength;
totalLength += itemLength;
}
if (reset) {
totalLength = 0;
step = 0;
maxWidth = 0;
maxHeight = 0;
}
if (config[__legend_show] && !$$.isLegendToShow(id)) {
widths[id] = heights[id] = steps[id] = offsets[id] = 0;
return;
}
widths[id] = itemWidth;
heights[id] = itemHeight;
if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; }
if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; }
maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;
if (config[__legend_equally]) {
Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
margin = (areaLength - maxLength * targetIds.length) / 2;
if (margin < posMin) {
totalLength = 0;
step = 0;
targetIds.forEach(function (id) { updateValues(id); });
}
else {
updateValues(id, true);
}
} else {
updateValues(id);
}
}
if ($$.isLegendRight) {
xForLegend = function (id) { return maxWidth * steps[id]; };
yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
} else if ($$.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 $$.isLegendToShow(id) ? 'visible' : 'hidden'; })
.style('cursor', 'pointer')
.on('click', function (id) {
isFunction(config[__legend_item_onclick]) ? config[__legend_item_onclick].call(c3, id) : $$.api.toggle(id);
})
.on('mouseover', function (id) {
$$.d3.select(this).classed(CLASS[_legendItemFocused], true);
if (!$$.transiting) {
$$.api.focus(id);
}
if (isFunction(config[__legend_item_onmouseover])) {
config[__legend_item_onmouseover].call($$, id);
}
})
.on('mouseout', function (id) {
$$.d3.select(this).classed(CLASS[_legendItemFocused], false);
if (!$$.transiting) {
$$.api.revert();
}
if (isFunction(config[__legend_item_onmouseout])) {
config[__legend_item_onmouseout].call($$, id);
}
});
l.append('text')
.text(function (id) { return isDefined(config[__data_names][id]) ? config[__data_names][id] : id; })
.each(function (id, i) { updatePositions(this, id, i === 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 = $$.legend.selectAll('text')
.data(targetIds)
.text(function (id) { return isDefined(config[__data_names][id]) ? config[__data_names][id] : id; }) // MEMO: needed for update
.each(function (id, i) { updatePositions(this, id, i === 0); });
(withTransition ? texts.transition() : texts)
.attr('x', xForLegendText)
.attr('y', yForLegendText);
rects = $$.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);
};

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c3_chart_internal_fn.regionX = function (d) {
var $$ = this, config = $$.config,
xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
xPos = config[__axis_rotated] ? ('start' in d ? yScale(d.start) : 0) : 0;
} else {
xPos = config[__axis_rotated] ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0);
}
return xPos;
};
c3_chart_internal_fn.regionY = function (d) {
var $$ = this, config = $$.config,
yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
yPos = config[__axis_rotated] ? 0 : ('end' in d ? yScale(d.end) : 0);
} else {
yPos = config[__axis_rotated] ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0;
}
return yPos;
};
c3_chart_internal_fn.regionWidth = function (d) {
var $$ = this, config = $$.config,
start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = config[__axis_rotated] ? ('end' in d ? yScale(d.end) : $$.width) : $$.width;
} else {
end = config[__axis_rotated] ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width);
}
return end < start ? 0 : end - start;
};
c3_chart_internal_fn.regionHeight = function (d) {
var $$ = this, config = $$.config,
start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
if (d.axis === 'y' || d.axis === 'y2') {
end = config[__axis_rotated] ? $$.height : ('start' in d ? yScale(d.start) : $$.height);
} else {
end = config[__axis_rotated] ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height;
}
return end < start ? 0 : end - start;
};
c3_chart_internal_fn.isRegionOnX = function (d) {
return !d.axis || d.axis === 'x';
};

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c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
};
c3_chart_internal_fn.getX = function (min, max, domain, offset) {
var $$ = this,
scale = $$.getScale(min, max, $$.isTimeSeries()),
_scale = domain ? scale.domain(domain) : scale, key;
// Define customized scale if categorized axis
if ($$.isCategorized()) {
offset = offset || function () { return 0; };
scale = function (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 ($$.isCategorized()) {
scale.domain = function (domain) {
if (!arguments.length) {
domain = this.orgDomain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
};
c3_chart_internal_fn.getY = function (min, max, domain) {
var scale = this.getScale(min, max);
if (domain) { scale.domain(domain); }
return scale;
};
c3_chart_internal_fn.getYScale = function (id) {
return this.getAxisId(id) === 'y2' ? this.y2 : this.y;
};
c3_chart_internal_fn.getSubYScale = function (id) {
return this.getAxisId(id) === 'y2' ? this.subY2 : this.subY;
};
c3_chart_internal_fn.updateScales = function () {
var $$ = this, config = $$.config,
forInit = !$$.x;
// update edges
$$.xMin = config[__axis_rotated] ? 1 : 0;
$$.xMax = config[__axis_rotated] ? $$.height : $$.width;
$$.yMin = config[__axis_rotated] ? 0 : $$.height;
$$.yMax = config[__axis_rotated] ? $$.width : 1;
$$.subXMin = $$.xMin;
$$.subXMax = $$.xMax;
$$.subYMin = config[__axis_rotated] ? 0 : $$.height2;
$$.subYMax = config[__axis_rotated] ? $$.width2 : 1;
// update scales
$$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
$$.y = $$.getY($$.yMin, $$.yMax, forInit ? 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();
$$.xAxisTickValues = config[__axis_x_tick_values] ? config[__axis_x_tick_values] : (forInit ? undefined : $$.xAxis.tickValues());
$$.xAxis = $$.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
$$.subXAxis = $$.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
$$.yAxis = $$.getYAxis($$.y, $$.yOrient, config[__axis_y_tick_format], config[__axis_y_ticks]);
$$.y2Axis = $$.getYAxis($$.y2, $$.y2Orient, config[__axis_y2_tick_format], config[__axis_y2_ticks]);
// Set initialized scales to brush and zoom
if (!forInit) {
if ($$.brush) { $$.brush.scale($$.subX); }
if (config[__zoom_enabled]) { $$.zoom.scale($$.x); }
}
// update for arc
if (isFunction($$.updateArc)) {
$$.updateArc();
}
};

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c3_chart_internal_fn.selectPoint = function (target, d, i) {
var $$ = this, config = $$.config;
config[__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 $$.generateClass(CLASS[_selectedCircle], i); })
.attr("cx", config[__axis_rotated] ? $$.circleY : $$.circleX)
.attr("cy", config[__axis_rotated] ? $$.circleX : $$.circleY)
.attr("stroke", function () { return $$.color(d); })
.attr("r", $$.pointSelectR(d) * 1.4)
.transition().duration(100)
.attr("r", $$.pointSelectR);
};
c3_chart_internal_fn.unselectPoint = function (target, d, i) {
var $$ = this;
$$.config[__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();
};
c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
};
c3_chart_internal_fn.selectBar = function (target, d) {
var $$ = this;
$$.config[__data_onselected].call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
};
c3_chart_internal_fn.unselectBar = function (target, d) {
var $$ = this;
$$.config[__data_onunselected].call($$, d, target.node());
target.transition().duration(100)
.style("fill", function () { return $$.color(d); });
};
c3_chart_internal_fn.toggleBar = function (selected, target, d, i) {
selected ? this.selectBar(target, d, i) : this.unselectBar(target, d, i);
};
c3_chart_internal_fn.toggleArc = function (selected, target, d, i) {
this.toggleBar(selected, target, d.data, i);
};
c3_chart_internal_fn.getToggle = function (that) {
var $$ = this;
// path selection not supported yet
return that.nodeName === 'circle' ? $$.togglePoint : ($$.d3.select(that).classed(CLASS[_bar]) ? $$.toggleBar : $$.toggleArc);
};
c3_chart_internal_fn.toggleShape = function (that, d, i) {
var $$ = this, d3 = $$.d3, config = $$.config,
shape = d3.select(that), isSelected = shape.classed(CLASS[_SELECTED]), isWithin, toggle;
if (that.nodeName === 'circle') {
isWithin = $$.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 = $$.toggleArc;
}
}
if (config[__data_selection_grouped] || isWithin) {
if (config[__data_selection_enabled] && config[__data_selection_isselectable](d)) {
if (!config[__data_selection_multiple]) {
$$.main.selectAll('.' + CLASS[_shapes] + (config[__data_selection_grouped] ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS[_shape]).each(function (d, i) {
var shape = d3.select(this);
if (shape.classed(CLASS[_SELECTED])) { toggle(false, shape.classed(CLASS[_SELECTED], false), d, i); }
});
}
shape.classed(CLASS[_SELECTED], !isSelected);
toggle(!isSelected, shape, d, i);
}
$$.config[__data_onclick](d, that);
}
};

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c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
var $$ = this, config = $$.config,
indices = {}, i = 0, j, k;
$$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
for (j = 0; j < config[__data_groups].length; j++) {
if (config[__data_groups][j].indexOf(d.id) < 0) { continue; }
for (k = 0; k < config[__data_groups][j].length; k++) {
if (config[__data_groups][j][k] in indices) {
indices[d.id] = indices[config[__data_groups][j][k]];
break;
}
}
}
if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
});
indices.__max__ = i - 1;
return indices;
};
c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
var $$ = this, scale = isSub ? $$.subX : $$.x;
return function (d) {
var index = d.id in indices ? indices[d.id] : 0;
return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
};
};
c3_chart_internal_fn.getShapeY = function (isSub) {
var $$ = this;
return function (d) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
return scale(d.value);
};
};
c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
var $$ = this,
targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
targetIds = targets.map(function (t) { return t.id; });
return function (d, i) {
var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
y0 = scale(0), offset = y0;
targets.forEach(function (t) {
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;
};
};
c3_chart_internal_fn.getInterpolate = function (d) {
var $$ = this;
return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? "step-after" : "linear";
};
c3_chart_internal_fn.circleX = function (d) {
return d.x || d.x === 0 ? this.x(d.x) : null;
};
c3_chart_internal_fn.circleY = function (d, i) {
var $$ = this,
lineIndices = $$.getShapeIndices($$.isLineType), getPoint = $$.generateGetLinePoint(lineIndices);
return $$.config[__data_groups].length > 0 ? getPoint(d, i)[0][1] : $$.getYScale(d.id)(d.value);
};
c3_chart_internal_fn.getCircles = function (i, id) {
var $$ = this;
return (id ? $$.main.selectAll('.' + CLASS[_circles] + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS[_circle] + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandCircles = function (i, id) {
var $$ = this;
$$.getCircles(i, id)
.classed(CLASS[_EXPANDED], true)
.attr('r', generateCall($$.pointExpandedR, $$));
};
c3_chart_internal_fn.unexpandCircles = function (i) {
var $$ = this;
$$.getCircles(i)
.filter(function () { return $$.d3.select(this).classed(CLASS[_EXPANDED]); })
.classed(CLASS[_EXPANDED], false)
.attr('r', generateCall($$.pointR, $$));
};
c3_chart_internal_fn.pointR = function (d) {
var $$ = this, config = $$.config;
return config[__point_show] && !$$.isStepType(d) ? (isFunction(config[__point_r]) ? config[__point_r](d) : config[__point_r]) : 0;
};
c3_chart_internal_fn.pointExpandedR = function (d) {
var $$ = this, config = $$.config;
return config[__point_focus_expand_enabled] ? (config[__point_focus_expand_r] ? config[__point_focus_expand_r] : $$.pointR(d) * 1.75) : $$.pointR(d);
};
c3_chart_internal_fn.pointSelectR = function (d) {
var $$ = this, config = $$.config;
return config[__point_select_r] ? config[__point_select_r] : $$.pointR(d) * 4;
};
c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
var $$ = this, config = $$.config,
w = typeof config[__bar_width] === 'number' ? config[__bar_width] : barTargetsNum ? (axis.tickOffset() * 2 * config[__bar_width_ratio]) / barTargetsNum : 0;
return config[__bar_width_max] && w > config[__bar_width_max] ? config[__bar_width_max] : w;
};
c3_chart_internal_fn.getBars = function (i) {
var $$ = this;
return $$.main.selectAll('.' + CLASS[_bar] + (isValue(i) ? '-' + i : ''));
};
c3_chart_internal_fn.expandBars = function (i) {
var $$ = this;
$$.getBars(i).classed(CLASS[_EXPANDED], true);
};
c3_chart_internal_fn.unexpandBars = function (i) {
var $$ = this;
$$.getBars(i).classed(CLASS[_EXPANDED], false);
};
c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
var $$ = this, config = $$.config,
getPoints = $$.generateGetBarPoints(barIndices, isSub);
return function (d, i) {
// 4 points that make a bar
var points = getPoints(d, i);
// switch points if axis is rotated, not applicable for sub chart
var indexX = config[__axis_rotated] ? 1 : 0;
var indexY = config[__axis_rotated] ? 0 : 1;
var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
'z';
return path;
};
};
c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
var $$ = this,
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.call($$, d.id)(0),
offset = barOffset(d, i) || y0, // offset is for stacked bar chart
posX = barX(d), posY = barY(d);
// fix posY not to overflow opposite quadrant
if ($$.config[__axis_rotated]) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 4 points that make a bar
return [
[posX, offset],
[posX, posY - (y0 - offset)],
[posX + barW, posY - (y0 - offset)],
[posX + barW, offset]
];
};
};
c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
var $$ = this, config = $$.config, area = $$.d3.svg.area(),
getPoint = $$.generateGetAreaPoint(areaIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
value0 = function (d, i) {
return config[__data_groups].length > 0 ? getPoint(d, i)[0][1] : yScaleGetter.call($$, d.id)(0);
},
value1 = function (d, i) {
return config[__data_groups].length > 0 ? getPoint(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
};
area = config[__axis_rotated] ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1);
return function (d) {
var data = $$.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 = config[__axis_rotated] ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
var $$ = this, config = $$.config,
line = $$.d3.svg.line(),
getPoint = $$.generateGetLinePoint(lineIndices, isSub),
yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
yValue = function (d, i) {
return config[__data_groups].length > 0 ? getPoint(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
};
line = config[__axis_rotated] ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
if (!config[__line_connect_null]) { line = line.defined(function (d) { return d.value != null; }); }
return function (d) {
var data = config[__line_connect_null] ? $$.filterRemoveNull(d.values) : d.values,
x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
if ($$.isLineType(d)) {
if (config[__data_regions][d.id]) {
path = $$.lineWithRegions(data, x, y, config[__data_regions][d.id]);
} else {
path = line.interpolate($$.getInterpolate(d))(data);
}
} else {
if (data[0]) {
x0 = x(data[0].x);
y0 = y(data[0].value);
}
path = config[__axis_rotated] ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
}
return path ? path : "M 0 0";
};
};
c3_chart_internal_fn.generateXYForText = function (barIndices, forX) {
var $$ = this,
getPoints = $$.generateGetBarPoints(barIndices, false),
getter = forX ? $$.getXForText : $$.getYForText;
return function (d, i) {
return getter(getPoints(d, i), d, this);
};
};
c3_chart_internal_fn.getXForText = function (points, d, textElement) {
var $$ = this,
box = textElement.getBoundingClientRect(), xPos, padding;
if (config[__axis_rotated]) {
padding = $$.isBarType(d) ? 4 : 6;
xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
} else {
xPos = points[0][0] + (points[2][0] - points[0][0]) / 2;
}
return xPos > $$.width ? $$.width - box.width : xPos;
};
c3_chart_internal_fn.getYForText = function (points, d, textElement) {
var $$ = this,
box = textElement.getBoundingClientRect(), yPos;
if (config[__axis_rotated]) {
yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
} else {
yPos = points[2][1] + (d.value < 0 ? box.height : $$.isBarType(d) ? -3 : -6);
}
return yPos < box.height ? box.height : yPos;
};
c3_chart_internal_fn.generateGetAreaPoint = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
var $$ = this, config = $$.config,
areaTargetsNum = areaIndices.__max__ + 1,
x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
y = $$.getShapeY(!!isSub),
areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
yScale = isSub ? $$.getSubYScale : $$.getYScale;
return function (d, i) {
var y0 = yScale.call($$, d.id)(0),
offset = areaOffset(d, i) || y0, // offset is for stacked area chart
posX = x(d), posY = y(d);
// fix posY not to overflow opposite quadrant
if (config[__axis_rotated]) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 1 point that marks the area position
return [
[posX, offset],
[posX, posY - (y0 - offset)]
];
};
};
c3_chart_internal_fn.generateGetLinePoint = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
var $$ = this, config = $$.config,
lineTargetsNum = lineIndices.__max__ + 1,
x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
y = $$.getShapeY(!!isSub),
lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
yScale = isSub ? $$.getSubYScale : $$.getYScale;
return function (d, i) {
var y0 = yScale.call($$, d.id)(0),
offset = lineOffset(d, i) || y0, // offset is for stacked area chart
posX = x(d), posY = y(d);
// fix posY not to overflow opposite quadrant
if (config[__axis_rotated]) {
if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
}
// 1 point that marks the line position
return [
[posX, posY - (y0 - offset)]
];
};
};
c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
var $$ = this, config = $$.config,
prev = -1, i, j,
s = "M", sWithRegion,
xp, yp, dx, dy, dd, diff, diffx2,
xValue, yValue,
regions = [];
// Check start/end of regions
if (isDefined(_regions)) {
for (i = 0; i < _regions.length; i++) {
regions[i] = {};
if (isUndefined(_regions[i].start)) {
regions[i].start = d[0].x;
} else {
regions[i].start = $$.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() ? $$.parseDate(_regions[i].end) : _regions[i].end;
}
}
}
// Set scales
xValue = config[__axis_rotated] ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
yValue = config[__axis_rotated] ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
// Define svg generator function for region
if ($$.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;
};
c3_chart_internal_fn.isWithinCircle = function (_this, _r) {
var d3 = this.d3,
mouse = d3.mouse(_this), d3_this = d3.select(_this),
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;
};
c3_chart_internal_fn.isWithinBar = function (_this) {
var d3 = this.d3,
mouse = d3.mouse(_this), box = _this.getBoundingClientRect(),
seg0 = _this.pathSegList.getItem(0), seg1 = _this.pathSegList.getItem(1),
x = seg0.x, y = Math.min(seg0.y, seg1.y), w = box.width, h = box.height, offset = 2,
sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
};
c3_chart_internal_fn.isWithinRegions = function (x, regions) {
var i;
for (i = 0; i < regions.length; i++) {
if (regions[i].start < x && x <= regions[i].end) { return true; }
}
return false;
};

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c3_chart_internal_fn.getCurrentWidth = function () {
var $$ = this, config = $$.config;
return config[__size_width] ? config[__size_width] : $$.getParentWidth();
};
c3_chart_internal_fn.getCurrentHeight = function () {
var $$ = this, config = $$.config,
h = config[__size_height] ? config[__size_height] : $$.getParentHeight();
return h > 0 ? h : 320;
};
c3_chart_internal_fn.getCurrentPaddingTop = function () {
var config = this.config;
return isValue(config[__padding_top]) ? config[__padding_top] : 0;
};
c3_chart_internal_fn.getCurrentPaddingBottom = function () {
var config = this.config;
return isValue(config[__padding_bottom]) ? config[__padding_bottom] : 0;
};
c3_chart_internal_fn.getCurrentPaddingLeft = function () {
var $$ = this, config = $$.config;
if (isValue(config[__padding_left])) {
return config[__padding_left];
} else if (config[__axis_rotated]) {
return !config[__axis_x_show] ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x')), 40);
} else {
return !config[__axis_y_show] ? 1 : ceil10($$.getAxisWidthByAxisId('y'));
}
};
c3_chart_internal_fn.getCurrentPaddingRight = function () {
var $$ = this, config = $$.config,
defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
if (isValue(config[__padding_right])) {
return config[__padding_right] + 1; // 1 is needed not to hide tick line
} else if (config[__axis_rotated]) {
return defaultPadding + legendWidthOnRight;
} else {
return (!config[__axis_y2_show] ? defaultPadding : ceil10($$.getAxisWidthByAxisId('y2'))) + legendWidthOnRight;
}
};
c3_chart_internal_fn.getParentRectValue = function (key) {
var parent = this.selectChart.node(), v;
while (parent && parent.tagName !== 'BODY') {
v = parent.getBoundingClientRect()[key];
if (v) {
break;
}
parent = parent.parentNode;
}
return v;
};
c3_chart_internal_fn.getParentWidth = function () {
return this.getParentRectValue('width');
};
c3_chart_internal_fn.getParentHeight = function () {
var h = this.selectChart.style('height');
return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
};
c3_chart_internal_fn.getSvgLeft = function () {
var $$ = this, config = $$.config,
leftAxisClass = config[__axis_rotated] ? CLASS[_axisX] : CLASS[_axisY],
leftAxis = $$.main.select('.' + leftAxisClass).node(),
svgRect = leftAxis ? leftAxis.getBoundingClientRect() : {right: 0},
chartRect = $$.selectChart.node().getBoundingClientRect(),
hasArc = $$.hasArcType(),
svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft());
return svgLeft > 0 ? svgLeft : 0;
};
c3_chart_internal_fn.getAxisWidthByAxisId = function (id) {
var $$ = this, position = $$.getAxisLabelPositionById(id);
return position.isInner ? 20 + $$.getMaxTickWidth(id) : 40 + $$.getMaxTickWidth(id);
};
c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
var $$ = this, config = $$.config;
if (axisId === 'x' && !config[__axis_x_show]) { return 0; }
if (axisId === 'x' && config[__axis_x_height]) { return config[__axis_x_height]; }
if (axisId === 'y' && !config[__axis_y_show]) { return config[__legend_show] && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; }
if (axisId === 'y2' && !config[__axis_y2_show]) { return $$.rotated_padding_top; }
return ($$.getAxisLabelPositionById(axisId).isInner ? 30 : 40) + (axisId === 'y2' ? -10 : 0);
};
c3_chart_internal_fn.getEventRectWidth = function () {
var $$ = this;
var target = $$.getMaxDataCountTarget($$.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 $$.config[__axis_rotated] ? $$.height : $$.width;
}
maxDataCount = $$.getMaxDataCount();
ratio = ($$.hasType('bar') ? (maxDataCount - ($$.isCategorized() ? 0.25 : 1)) / maxDataCount : 1);
w = maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
return w < 1 ? 1 : w;
};

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c3_chart_internal_fn.initBrush = function () {
var $$ = this, d3 = $$.d3;
$$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); });
$$.brush.update = function () {
if ($$.context) { $$.context.select('.' + $$.CLASS[_brush]).call(this); }
return this;
};
$$.brush.scale = function (scale) {
return $$.config[__axis_rotated] ? this.y(scale) : this.x(scale);
};
};
c3_chart_internal_fn.initSubchart = function () {
var $$ = this, config = $$.config,
context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context'));
if (!config[__subchart_show]) {
context.style('visibility', 'hidden');
}
// Define g for chart area
context.append('g')
.attr("clip-path", $$.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(config[__axis_rotated] ? "width" : "height", config[__axis_rotated] ? $$.width2 : $$.height2);
// ATTENTION: This must be called AFTER chart added
// Add Axis
$$.axes.subx = context.append("g")
.attr("class", CLASS[_axisX])
.attr("transform", $$.getTranslate('subx'))
.attr("clip-path", config[__axis_rotated] ? "" : $$.clipPathForXAxis);
};
c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
var $$ = this, context = $$.context, config = $$.config,
contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate;
if (config[__subchart_show]) {
contextBarUpdate = context.select('.' + CLASS[_chartBars]).selectAll('.' + CLASS[_chartBar])
.data(targets)
.attr('class', generateCall($$.classChartBar, $$));
contextBarEnter = contextBarUpdate.enter().append('g')
.style('opacity', 0)
.attr('class', generateCall($$.classChartBar, $$));
// Bars for each data
contextBarEnter.append('g')
.attr("class", generateCall($$.classBars, $$));
//-- Line --//
contextLineUpdate = context.select('.' + CLASS[_chartLines]).selectAll('.' + CLASS[_chartLine])
.data(targets)
.attr('class', generateCall($$.classChartLine, $$));
contextLineEnter = contextLineUpdate.enter().append('g')
.style('opacity', 0)
.attr('class', generateCall($$.classChartLine, $$));
// Lines for each data
contextLineEnter.append("g")
.attr("class", generateCall($$.classLines, $$));
// Area
contextLineEnter.append("g")
.attr("class", generateCall($$.classAreas, $$));
}
};
c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
var $$ = this, d3 = $$.d3, context = $$.context, config = $$.config,
contextLine, contextArea, contextBar, drawAreaOnSub, drawBarOnSub, drawLineOnSub;
// subchart
if (config[__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 (!config[__axis_rotated] && config[__axis_x_tick_rotate]) {
$$.rotateTickText($$.axes.subx, transitions.axisSubX, config[__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(generateCall($$.barData, $$));
contextBar.enter().append('path')
.attr("class", generateCall($$.classBar, $$))
.style("stroke", 'none')
.style("fill", $$.color);
contextBar
.style("opacity", generateCall($$.initialOpacity, $$))
.transition().duration(duration)
.attr('d', drawBarOnSub)
.style('opacity', 1);
contextBar.exit().transition().duration(duration)
.style('opacity', 0)
.remove();
// lines
contextLine = context.selectAll('.' + CLASS[_lines]).selectAll('.' + CLASS[_line])
.data(generateCall($$.lineData, $$));
contextLine.enter().append('path')
.attr('class', generateCall($$.classLine, $$))
.style('stroke', $$.color);
contextLine
.style("opacity", generateCall($$.initialOpacity, $$))
.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(generateCall($$.lineData, $$));
contextArea.enter().append('path')
.attr("class", generateCall($$.classArea, $$))
.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();
}
}
};
c3_chart_internal_fn.redrawForBrush = function () {
var $$ = this, x = $$.x;
$$.redraw({
withTransition: false,
withY: false,
withSubchart: false,
withUpdateXDomain: true
});
$$.config[__subchart_onbrush].call($$, x.orgDomain());
};
c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
var $$ = this, subXAxis;
if (transitions && transitions.axisSubX) {
subXAxis = transitions.axisSubX;
} else {
subXAxis = $$.context.select('.' + CLASS[_axisX]);
if (withTransition) { subXAxis = subXAxis.transition(); }
}
$$.context.attr("transform", $$.getTranslate('context'));
subXAxis.attr("transform", $$.getTranslate('subx'));
};

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src/tail.js
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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;
}
})(window);

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src/text.js
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c3_chart_internal_fn.getTextRect = function (text, cls) {
var rect;
this.d3.select('body').selectAll('.dummy')
.data([text])
.enter().append('text')
.classed(cls ? cls : "", true)
.text(text)
.each(function () { rect = this.getBoundingClientRect(); })
.remove();
return rect;
};

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src/tooltip.js
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c3_chart_internal_fn.initTooltip = function () {
var $$ = this, config = $$.config, i;
$$.tooltip = $$.selectChart
.style("position", "relative")
.append("div")
.style("position", "absolute")
.style("pointer-events", "none")
.style("z-index", "10")
.style("display", "none");
// Show tooltip if needed
if (config[__tooltip_init_show]) {
if ($$.isTimeSeries() && isString(config[__tooltip_init_x])) {
config[__tooltip_init_x] = $$.parseDate(config[__tooltip_init_x]);
for (i = 0; i < $$.data.targets[0].values.length; i++) {
if (($$.data.targets[0].values[i].x - config[__tooltip_init_x]) === 0) { break; }
}
config[__tooltip_init_x] = i;
}
$$.tooltip.html(config[__tooltip_contents].call($$, $$.data.targets.map(function (d) {
return $$.addName(d.values[config[__tooltip_init_x]]);
}), $$.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
$$.tooltip.style("top", config[__tooltip_init_position].top)
.style("left", config[__tooltip_init_position].left)
.style("display", "block");
}
};
c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
var $$ = this, config = $$.config,
titleFormat = config[__tooltip_format_title] || defaultTitleFormat,
nameFormat = config[__tooltip_format_name] || function (name) { return name; },
valueFormat = config[__tooltip_format_value] || defaultValueFormat,
text, i, title, value, name, bgcolor;
for (i = 0; i < d.length; i++) {
if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }
if (! text) {
title = titleFormat ? titleFormat(d[i].x) : d[i].x;
text = "<table class='" + CLASS[_tooltip] + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
}
name = nameFormat(d[i].name);
value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
text += "<tr class='" + CLASS[_tooltipName] + "-" + d[i].id + "'>";
text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
text += "<td class='value'>" + value + "</td>";
text += "</tr>";
}
return text + "</table>";
};
c3_chart_internal_fn.showTooltip = function (selectedData, mouse) {
var $$ = this, config = $$.config;
var tWidth, tHeight, svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
var forArc = $$.hasArcType(),
dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); });
if (dataToShow.length === 0 || !config[__tooltip_show]) {
return;
}
$$.tooltip.html(config[__tooltip_contents].call($$, 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 = ($$.height / 2) + mouse[1] + 20;
} else {
if (config[__axis_rotated]) {
svgLeft = $$.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');
};
c3_chart_internal_fn.hideTooltip = function () {
this.tooltip.style("display", "none");
};

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src/type.js
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c3_chart_internal_fn.setTargetType = function (targetIds, type) {
var $$ = this, config = $$.config;
$$.mapToTargetIds(targetIds).forEach(function (id) {
$$.withoutFadeIn[id] = (type === config[__data_types][id]);
config[__data_types][id] = type;
});
if (!targetIds) {
config[__data_type] = type;
}
};
c3_chart_internal_fn.hasType = function (type, targets) {
var $$ = this, types = $$.config[__data_types], has = false;
(targets || $$.data.targets).forEach(function (t) {
if ((types[t.id] && types[t.id].indexOf(type) >= 0) || (!(t.id in types) && type === 'line')) {
has = true;
}
});
return has;
};
c3_chart_internal_fn.hasArcType = function (targets) {
return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
};
c3_chart_internal_fn.isLineType = function (d) {
var config = this.config, id = isString(d) ? d : d.id;
return !config[__data_types][id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config[__data_types][id]) >= 0;
};
c3_chart_internal_fn.isStepType = function (d) {
var id = isString(d) ? d : d.id;
return ['step', 'area-step'].indexOf(this.config[__data_types][id]) >= 0;
};
c3_chart_internal_fn.isSplineType = function (d) {
var id = isString(d) ? d : d.id;
return ['spline', 'area-spline'].indexOf(this.config[__data_types][id]) >= 0;
};
c3_chart_internal_fn.isAreaType = function (d) {
var id = isString(d) ? d : d.id;
return ['area', 'area-spline', 'area-step'].indexOf(this.config[__data_types][id]) >= 0;
};
c3_chart_internal_fn.isBarType = function (d) {
var id = isString(d) ? d : d.id;
return this.config[__data_types][id] === 'bar';
};
c3_chart_internal_fn.isScatterType = function (d) {
var id = isString(d) ? d : d.id;
return this.config[__data_types][id] === 'scatter';
};
c3_chart_internal_fn.isPieType = function (d) {
var id = isString(d) ? d : d.id;
return this.config[__data_types][id] === 'pie';
};
c3_chart_internal_fn.isGaugeType = function (d) {
var id = isString(d) ? d : d.id;
return this.config[__data_types][id] === 'gauge';
};
c3_chart_internal_fn.isDonutType = function (d) {
var id = isString(d) ? d : d.id;
return this.config[__data_types][id] === 'donut';
};
c3_chart_internal_fn.isArcType = function (d) {
return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
};
c3_chart_internal_fn.lineData = function (d) {
return this.isLineType(d) ? [d] : [];
};
c3_chart_internal_fn.arcData = function (d) {
return this.isArcType(d.data) ? [d] : [];
};
/* not used
function scatterData(d) {
return isScatterType(d) ? d.values : [];
}
*/
c3_chart_internal_fn.barData = function (d) {
return this.isBarType(d) ? d.values : [];
};
c3_chart_internal_fn.lineOrScatterData = function (d) {
return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
};
c3_chart_internal_fn.barOrLineData = function (d) {
return this.isBarType(d) || this.isLineType(d) ? d.values : [];
};

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src/util.js
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var isValue = c3_chart_internal_fn.isValue = function (v) {
return v || v === 0;
},
isFunction = c3_chart_internal_fn.isFunction = function (o) {
return typeof o === 'function';
},
isString = c3_chart_internal_fn.isString = function (o) {
return typeof o === 'string';
},
isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
return typeof v === 'undefined';
},
isDefined = c3_chart_internal_fn.isDefined = function (v) {
return typeof v !== 'undefined';
},
ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
return Math.ceil(v / 10) * 10;
},
asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
return Math.ceil(n) + 0.5;
},
diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
return d[1] - d[0];
},
isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
return !o || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
},
notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
return Object.keys(o).length > 0;
},
getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
return isDefined(options[key]) ? options[key] : defaultValue;
},
hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
var found = false;
Object.keys(dict).forEach(function (key) {
if (dict[key] === value) { found = true; }
});
return found;
},
getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
var box = path.getBoundingClientRect(),
items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
return {x: minX, y: minY, width: box.width, height: box.height};
},
generateCall = c3_chart_internal_fn.generateCall = function (f, context) {
return function (d, i) { return f.call(context, d, i); };
};

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src/zoom.js
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c3_chart_internal_fn.initZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config;
$$.zoom = d3.behavior.zoom()
.on("zoomstart", function () {
$$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
})
.on("zoom", $$.redrawForZoom);
$$.zoom.scale = function (scale) {
return config[__axis_rotated] ? this.y(scale) : this.x(scale);
};
$$.zoom.orgScaleExtent = function () {
var extent = config[__zoom_extent] ? config[__zoom_extent] : [1, 10];
return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
};
$$.zoom.updateScaleExtent = function () {
var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.orgXDomain),
extent = $$.orgScaleExtent();
$$.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
return this;
};
};
c3_chart_internal_fn.updateZoom = function () {
var $$ = this, z = $$.config[__zoom_enabled] ? $$.zoom : function () {};
$$.main.select('.' + $$.CLASS[_zoomRect]).call(z);
$$.main.selectAll('.' + $$.CLASS[_eventRect]).call(z);
};
c3_chart_internal_fn.redrawForZoom = function () {
var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x, orgXDomain = $$.orgXDomain;
if (!config[__zoom_enabled]) {
return;
}
if ($$.filterTargetsToShow($$.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;
}
config[__zoom_onzoom].call(c3, x.orgDomain());
};
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