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c3.js
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(function (window) {
'use strict';
var c3 = window.c3 = {};
var d3 = window.d3;
/*
* Generate chart according to config
*/
c3.generate = function (config) {
var c3 = { data : {} },
cache = {};
var EXPANDED = '_expanded_', SELECTED = '_selected_', INCLUDED = '_included_';
/*-- Handle Config --*/
function checkConfig(key, message) {
if (! (key in config)) { throw Error(message); }
}
function getConfig(keys, defaultValue) {
var target = config;
for (var i = 0; i < keys.length; i++) {
if (! (keys[i] in target)) { return defaultValue; }
target = target[keys[i]];
}
return target;
}
// bindto - id to bind the chart
var __bindto = getConfig(['bindto'], '#chart');
var __size_width = getConfig(['size', 'width'], null),
__size_height = getConfig(['size', 'height'], null);
var __padding_left = getConfig(['padding', 'left'], null),
__padding_right = getConfig(['padding', 'right'], null);
var __zoom_enabled = getConfig(['zoom', 'enabled'], false),
__zoom_extent = getConfig(['zoom', 'extent'], null),
__zoom_privileged = getConfig(['zoom', 'privileged'], false);
var __onenter = getConfig(['onenter'], function () {}),
__onleave = getConfig(['onleave'], function () {});
var __transition_duration = getConfig(['transition', 'duration'], 350);
// data - data configuration
checkConfig('data', 'data is required in config');
var __data_x = getConfig(['data', 'x'], null),
__data_xs = getConfig(['data', 'xs'], null),
__data_x_format = getConfig(['data', 'x_format'], '%Y-%m-%d'),
__data_id_converter = getConfig(['data', 'id_converter'], function (id) { return id; }),
__data_names = getConfig(['data', 'names'], {}),
__data_groups = getConfig(['data', 'groups'], []),
__data_axes = getConfig(['data', 'axes'], {}),
__data_type = getConfig(['data', 'type'], null),
__data_types = getConfig(['data', 'types'], {}),
__data_labels = getConfig(['data', 'labels'], {}),
__data_order = getConfig(['data', 'order'], null),
__data_regions = getConfig(['data', 'regions'], {}),
__data_colors = getConfig(['data', 'colors'], {}),
__data_selection_enabled = getConfig(['data', 'selection', 'enabled'], false),
__data_selection_grouped = getConfig(['data', 'selection', 'grouped'], false),
__data_selection_isselectable = getConfig(['data', 'selection', 'isselectable'], function () { return true; }),
__data_selection_multiple = getConfig(['data', 'selection', 'multiple'], true);
// subchart
var __subchart_show = getConfig(['subchart', 'show'], false),
__subchart_size_height = __subchart_show ? getConfig(['subchart', 'size', 'height'], 60) : 0;
// color
var __color_pattern = getConfig(['color', 'pattern'], null);
// legend
var __legend_show = getConfig(['legend', 'show'], true),
__legend_position = getConfig(['legend', 'position'], 'bottom'),
__legend_item_onclick = getConfig(['legend', 'item', 'onclick'], function () {}),
__legend_equally = getConfig(['legend', 'equally'], false);
// axis
var __axis_rotated = getConfig(['axis', 'rotated'], false),
__axis_x_type = getConfig(['axis', 'x', 'type'], 'indexed'),
__axis_x_categories = getConfig(['axis', 'x', 'categories'], []),
__axis_x_tick_centered = getConfig(['axis', 'x', 'tick', 'centered'], false),
__axis_x_tick_format = getConfig(['axis', 'x', 'tick', 'format'], null),
__axis_x_tick_culling = getConfig(['axis', 'x', 'tick', 'culling'], __axis_x_type === 'categorized' ? false : true),
__axis_x_tick_count = getConfig(['axis', 'x', 'tick', 'count'], 10),
__axis_x_default = getConfig(['axis', 'x', 'default'], null),
__axis_x_label = getConfig(['axis', 'x', 'label'], null),
__axis_y_max = getConfig(['axis', 'y', 'max'], null),
__axis_y_min = getConfig(['axis', 'y', 'min'], null),
__axis_y_center = getConfig(['axis', 'y', 'center'], null),
__axis_y_label = getConfig(['axis', 'y', 'label'], null),
__axis_y_inner = getConfig(['axis', 'y', 'inner'], false),
__axis_y_tick_format = getConfig(['axis', 'y', 'tick', 'format'], null),
__axis_y_padding = getConfig(['axis', 'y', 'padding'], null),
__axis_y_ticks = getConfig(['axis', 'y', 'ticks'], 10),
__axis_y2_show = getConfig(['axis', 'y2', 'show'], false),
__axis_y2_max = getConfig(['axis', 'y2', 'max'], null),
__axis_y2_min = getConfig(['axis', 'y2', 'min'], null),
__axis_y2_center = getConfig(['axis', 'y2', 'center'], null),
__axis_y2_label = getConfig(['axis', 'y2', 'label'], null),
__axis_y2_inner = getConfig(['axis', 'y2', 'inner'], false),
__axis_y2_tick_format = getConfig(['axis', 'y2', 'tick', 'format'], null),
__axis_y2_padding = getConfig(['axis', 'y2', 'padding'], null),
__axis_y2_ticks = getConfig(['axis', 'y2', 'ticks'], 10);
// grid
var __grid_x_show = getConfig(['grid', 'x', 'show'], false),
__grid_x_type = getConfig(['grid', 'x', 'type'], 'tick'),
__grid_x_lines = getConfig(['grid', 'x', 'lines'], null),
__grid_y_show = getConfig(['grid', 'y', 'show'], false),
// not used
// __grid_y_type = getConfig(['grid', 'y', 'type'], 'tick'),
__grid_y_lines = getConfig(['grid', 'y', 'lines'], null),
__grid_y_ticks = getConfig(['grid', 'y', 'ticks'], 10);
// point - point of each data
var __point_show = getConfig(['point', 'show'], true),
__point_r = __point_show ? getConfig(['point', 'r'], 2.5) : 0,
__point_focus_line_enabled = getConfig(['point', 'focus', 'line', 'enabled'], true),
__point_focus_expand_enabled = getConfig(['point', 'focus', 'expand', 'enabled'], true),
__point_focus_expand_r = getConfig(['point', 'focus', 'expand', 'r'], __point_focus_expand_enabled ? 4 : __point_r),
__point_select_r = getConfig(['point', 'focus', 'select', 'r'], 8),
__point_onclick = getConfig(['point', 'onclick'], function () {}),
__point_onselected = getConfig(['point', 'onselected'], function () {}),
__point_onunselected = getConfig(['point', 'onunselected'], function () {});
// pie
var __pie_label_show = getConfig(['pie', 'label', 'show'], true),
__pie_label_format = getConfig(['pie', 'label', 'format'], null),
__pie_onclick = getConfig(['pie', 'onclick'], function () {}),
__pie_onmouseover = getConfig(['pie', 'onmouseover'], function () {}),
__pie_onmouseout = getConfig(['pie', 'onmouseout'], function () {});
// donut
var __donut_label_show = getConfig(['donut', 'label', 'show'], true),
__donut_label_format = getConfig(['donut', 'label', 'format'], null),
__donut_title = getConfig(['donut', 'title'], ""),
__donut_onclick = getConfig(['donut', 'onclick'], function () {}),
__donut_onmouseover = getConfig(['donut', 'onmouseover'], function () {}),
__donut_onmouseout = getConfig(['donut', 'onmouseout'], function () {});
// region - region to change style
var __regions = getConfig(['regions'], []);
// tooltip - show when mouseover on each data
var __tooltip_show = getConfig(['tooltip', 'show'], true),
__tooltip_format_title = getConfig(['tooltip', 'format', 'title'], null),
__tooltip_format_value = getConfig(['tooltip', 'format', 'value'], null),
__tooltip_contents = getConfig(['tooltip', 'contents'], function (d, defaultTitleFormat, defaultValueFormat, color) {
var titleFormat = __tooltip_format_title ? __tooltip_format_title : defaultTitleFormat,
valueFormat = __tooltip_format_value ? __tooltip_format_value : defaultValueFormat,
text, i, title, value, name;
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='-tooltip'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
}
name = d[i].name;
value = valueFormat(d[i].value, d[i].ratio);
text += "<tr class='-tooltip-name-" + d[i].id + "'><td class='name'><span style='background-color:" + color(d[i].id) + "'></span>" + name + "</td><td class='value'>" + value + "</td></tr>";
}
return text + "</table>";
}),
__tooltip_init_show = getConfig(['tooltip', 'init', 'show'], false),
__tooltip_init_x = getConfig(['tooltip', 'init', 'x'], 0),
__tooltip_init_position = getConfig(['tooltip', 'init', 'position'], {top: '0px', left: '50px'});
/*-- Set Variables --*/
var clipId = (typeof __bindto === "string" ? __bindto.replace('#', '') : __bindto.id) + '-clip',
clipPath = getClipPath(clipId);
var isTimeSeries = (__axis_x_type === 'timeseries'),
isCategorized = (__axis_x_type === 'categorized'),
isCustomX = !isTimeSeries && (__data_x || __data_xs);
var dragStart = null, dragging = false, cancelClick = false;
var color = generateColor(__data_colors, __color_pattern);
var defaultTimeFormat = (function () {
var formats = [
[d3.time.format("%Y/%-m/%-d"), function () { return true; }],
[d3.time.format("%-m/%-d"), function (d) { return d.getMonth(); }],
[d3.time.format("%-m/%-d"), function (d) { return d.getDate() !== 1; }],
[d3.time.format("%-m/%-d"), function (d) { return d.getDay() && d.getDate() !== 1; }],
[d3.time.format("%I %p"), function (d) { return d.getHours(); }],
[d3.time.format("%I:%M"), function (d) { return d.getMinutes(); }],
[d3.time.format(":%S"), function (d) { return d.getSeconds(); }],
[d3.time.format(".%L"), function (d) { return d.getMilliseconds(); }]
];
return function (date) {
var i = formats.length - 1, f = formats[i];
while (!f[1](date)) { f = formats[--i]; }
return f[0](date);
};
})();
/*-- Set Chart Params --*/
var margin, margin2, margin3, width, width2, height, height2, currentWidth, currentHeight, legendHeight, legendWidth;
var radius, radiusExpanded, innerRadius, svgArc, svgArcExpanded, svgArcExpandedSub, pie;
var xMin, xMax, yMin, yMax, subXMin, subXMax, subYMin, subYMax;
var x, y, y2, subX, subY, subY2, xAxis, yAxis, yAxis2, subXAxis;
var xOrient = __axis_rotated ? "left" : "bottom",
yOrient = __axis_rotated ? (__axis_y_inner ? "top" : "bottom") : (__axis_y_inner ? "right" : "left"),
y2Orient = __axis_rotated ? (__axis_y2_inner ? "bottom" : "top") : (__axis_y2_inner ? "left" : "right"),
subXOrient = __axis_rotated ? "left" : "bottom";
var translate = {
main : function () { return "translate(" + margin.left + "," + margin.top + ")"; },
context : function () { return "translate(" + margin2.left + "," + margin2.top + ")"; },
legend : function () { return "translate(" + margin3.left + "," + margin3.top + ")"; },
x : function () { return "translate(0," + (__axis_rotated ? 0 : height) + ")"; },
y : function () { return "translate(0," + (__axis_rotated ? height : 0) + ")"; },
y2 : function () { return "translate(" + (__axis_rotated ? 0 : width) + "," + (__axis_rotated ? 1 : 0) + ")"; },
subx : function () { return "translate(0," + (__axis_rotated ? 0 : height2) + ")"; },
arc: function () { return "translate(" + width / 2 + "," + height / 2 + ")"; }
};
var isLegendRight = __legend_position === 'right';
var legendStep = 0, legendItemWidth = 0, legendItemHeight = 0;
/*-- Define Functions --*/
function getClipPath(id) {
return "url(" + document.URL.split('#')[0] + "#" + id + ")";
}
function transformMain() {
main.attr("transform", translate.main);
main.select('.x.axis').attr("transform", translate.x);
main.select('.y.axis').attr("transform", translate.y);
main.select('.y2.axis').attr("transform", translate.y2);
main.select('.chart-arcs').attr("transform", translate.arc);
}
function transformContext() {
if (__subchart_show) {
context.attr("transform", translate.context);
context.select('.x.axis').attr("transform", translate.subx);
}
}
function transformLegend(withTransition) {
var duration = withTransition !== false ? 250 : 0;
if (__legend_show) {
legend.transition().duration(duration).attr("transform", translate.legend);
}
}
function transformAll(withTransition) {
transformMain(withTransition);
transformContext(withTransition);
transformLegend(withTransition);
}
//-- Sizes --//
// TODO: configurabale
var rotated_padding_left = 40, rotated_padding_right = 20;
function updateSizes() {
currentWidth = getCurrentWidth();
currentHeight = getCurrentHeight();
legendHeight = getLegendHeight();
legendWidth = getLegendWidth();
// for main
margin = {
top: __axis_rotated && __axis_y2_show ? getAxisHeightByAxisId('y2') : 5,
right: getCurrentPaddingRight(),
bottom: getAxisHeightByAxisId(__axis_rotated ? 'y' : 'x') + (__axis_rotated ? 0 : __subchart_size_height) + (isLegendRight ? 0 : legendHeight),
left: (__axis_rotated ? __subchart_size_height + rotated_padding_right : 0) + getCurrentPaddingLeft()
};
width = currentWidth - margin.left - margin.right;
height = currentHeight - margin.top - margin.bottom;
// for context
margin2 = {
top: __axis_rotated ? margin.top : (currentHeight - __subchart_size_height - (isLegendRight ? 0 : legendHeight)),
right: NaN,
bottom: 20 + (isLegendRight ? 0 : legendHeight),
left: __axis_rotated ? rotated_padding_left : margin.left
};
width2 = __axis_rotated ? margin.left - rotated_padding_left - rotated_padding_right : width;
height2 = __axis_rotated ? height : currentHeight - margin2.top - margin2.bottom;
// for legend
margin3 = {
top: isLegendRight ? 0 : currentHeight - legendHeight,
right: NaN,
bottom: 0,
left: isLegendRight ? currentWidth - legendWidth : 0
};
// for arc
updateRadius();
if (isLegendRight && hasArcType(c3.data.targets)) {
margin3.left = width / 2 + radiusExpanded;
}
}
function updateRadius() {
radiusExpanded = height / 2;
radius = radiusExpanded * 0.95;
innerRadius = hasDonutType(c3.data.targets) ? radius * 0.6 : 0;
}
function getSvgLeft() {
var leftAxisClass = __axis_rotated ? ".x.axis" : ".y.axis",
svgRect = d3.select(leftAxisClass).node().getBoundingClientRect(),
chartRect = d3.select(__bindto).node().getBoundingClientRect();
return svgRect.right - chartRect.left - getCurrentPaddingLeft();
}
function getCurrentWidth() {
return __size_width ? __size_width : getParentWidth();
}
function getCurrentHeight() {
var h = __size_height ? __size_height : getParentHeight();
return h > 0 ? h : 320;
}
function getCurrentPaddingLeft() {
if (hasArcType(c3.data.targets)) {
return 0;
} else if (__padding_left) {
return __padding_left;
} else {
return __axis_rotated || __axis_y_inner ? 1 : getAxisWidthByAxisId('y');
}
}
function getCurrentPaddingRight() {
var defaultPadding = 1;
if (hasArcType(c3.data.targets)) {
return 0;
} else if (__padding_right) {
return __padding_right;
} else if (isLegendRight) {
return legendWidth + (__axis_y2_show && !__axis_rotated ? getAxisWidthByAxisId('y2') : defaultPadding);
} else if (__axis_y2_show) {
return __axis_y2_inner || __axis_rotated ? defaultPadding : getAxisWidthByAxisId('y2');
} else {
return defaultPadding;
}
}
function getAxisWidthByAxisId(id) {
var position = getAxisLabelPositionById(id);
return position.isInner ? 20 + getMaxTickWidth(id) : 40 + getMaxTickWidth(id);
}
function getAxisHeightByAxisId(id) {
var position = getAxisLabelPositionById(id);
return (position.isInner ? 30 : 40) + (id === 'y2' ? -10 : 0);
}
function getParentWidth() {
return +d3.select(__bindto).style("width").replace('px', ''); // TODO: if rotated, use height
}
function getParentHeight() {
return +d3.select(__bindto).style('height').replace('px', ''); // TODO: if rotated, use width
}
function getAxisClipX(forHorizontal) {
return forHorizontal ? -(1 + 4) : -(margin.left - 1);
}
function getAxisClipY(forHorizontal) {
return forHorizontal ? -20 : -1;
}
function getXAxisClipX() {
return getAxisClipX(!__axis_rotated);
}
function getXAxisClipY() {
return getAxisClipY(!__axis_rotated);
}
function getYAxisClipX() {
return getAxisClipX(__axis_rotated);
}
function getYAxisClipY() {
return getAxisClipY(__axis_rotated);
}
function getAxisClipWidth(forHorizontal) {
return forHorizontal ? width + 2 + 4 : margin.left + 20;
}
function getAxisClipHeight(forHorizontal) {
return forHorizontal ? 80 : height + 2;
}
function getXAxisClipWidth() {
return getAxisClipWidth(!__axis_rotated);
}
function getXAxisClipHeight() {
return getAxisClipHeight(!__axis_rotated);
}
function getYAxisClipWidth() {
return getAxisClipWidth(__axis_rotated);
}
function getYAxisClipHeight() {
return getAxisClipHeight(__axis_rotated);
}
function getEventRectWidth() {
var base = __axis_rotated ? height : width,
ratio = getXDomainRatio(),
maxDataCount = getMaxDataCount();
return maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
}
function updateLegndStep(step) {
legendStep = step;
}
function updateLegendItemWidth(w) {
legendItemWidth = w;
}
function updateLegendItemHeight(h) {
legendItemHeight = h;
}
function getLegendWidth() {
return __legend_show ? isLegendRight ? legendItemWidth * (legendStep + 1) : currentWidth : 0;
}
function getLegendHeight() {
return __legend_show ? isLegendRight ? currentHeight : legendItemHeight * (legendStep + 1) : 0;
}
//-- Scales --//
function updateScales() {
var xAxisTickFormat, xAxisTicks, forInit = !x;
// update edges
xMin = __axis_rotated ? 1 : 0;
xMax = __axis_rotated ? height : width;
yMin = __axis_rotated ? 0 : height;
yMax = __axis_rotated ? width : 1;
subXMin = xMin;
subXMax = xMax;
subYMin = __axis_rotated ? 0 : height2;
subYMax = __axis_rotated ? width2 : 1;
// update scales
x = getX(xMin, xMax, forInit ? undefined : x.domain(), function () { return xAxis.tickOffset(); });
y = getY(yMin, yMax);
y2 = getY(yMin, yMax);
subX = getX(xMin, xMax, orgXDomain, function (d) { return d % 1 ? 0 : subXAxis.tickOffset(); });
subY = getY(subYMin, subYMax);
subY2 = getY(subYMin, subYMax);
// update axes
xAxisTickFormat = getXAxisTickFormat();
xAxisTicks = getXAxisTicks();
xAxis = getXAxis(x, xOrient, xAxisTickFormat, xAxisTicks);
subXAxis = getXAxis(subX, subXOrient, xAxisTickFormat, xAxisTicks);
yAxis = getYAxis(y, yOrient, __axis_y_tick_format, __axis_y_ticks);
yAxis2 = getYAxis(y2, y2Orient, __axis_y2_tick_format, __axis_y2_ticks);
// Set initialized scales to brush and zoom
if (!forInit) {
brush.scale(subX);
if (__zoom_enabled) { zoom.scale(x); }
}
// update for arc
updateArc();
}
function updateArc() {
svgArc = getSvgArc();
svgArcExpanded = getSvgArcExpanded();
svgArcExpandedSub = getSvgArcExpanded(0.98);
}
function getX(min, max, domain, offset) {
var scale = ((isTimeSeries) ? d3.time.scale() : d3.scale.linear()).range([min, max]);
// Set function and values for c3
scale.orgDomain = function () { return scale.domain(); };
if (isDefined(domain)) { scale.domain(domain); }
if (isUndefined(offset)) { offset = function () { return 0; }; }
// Define customized scale if categorized axis
if (isCategorized) {
var _scale = scale, key;
scale = function (d) { return _scale(d) + offset(d); };
for (key in _scale) {
scale[key] = _scale[key];
}
scale.orgDomain = function () {
return _scale.domain();
};
scale.domain = function (domain) {
if (!arguments.length) {
domain = _scale.domain();
return [domain[0], domain[1] + 1];
}
_scale.domain(domain);
return scale;
};
}
return scale;
}
function getY(min, max) {
return d3.scale.linear().range([min, max]);
}
function getYScale(id) {
return getAxisId(id) === 'y2' ? y2 : y;
}
function getSubYScale(id) {
return getAxisId(id) === 'y2' ? subY2 : subY;
}
//-- Axes --//
function getXAxis(scale, orient, tickFormat, ticks) {
var axis = (isCategorized ? categoryAxis() : d3.svg.axis()).scale(scale).orient(orient);
// Set tick
axis.tickFormat(tickFormat).ticks(ticks);
if (isCategorized) {
axis.tickCentered(__axis_x_tick_centered);
} else {
axis.tickOffset = function () {
var base = __axis_rotated ? height : width;
return ((base * getXDomainRatio()) / getMaxDataCount()) / 2;
};
}
// Set categories
if (isCategorized) {
axis.categories(__axis_x_categories);
}
return axis;
}
function getYAxis(scale, orient, tickFormat, ticks) {
return d3.svg.axis().scale(scale).orient(orient).tickFormat(tickFormat).ticks(ticks).outerTickSize(0);
}
function getAxisId(id) {
return id in __data_axes ? __data_axes[id] : 'y';
}
function getXAxisTickFormat() {
var format = isTimeSeries ? defaultTimeFormat : isCategorized ? category : null;
if (__axis_x_tick_format) {
if (typeof __axis_x_tick_format === 'function') {
format = __axis_x_tick_format;
} else if (isTimeSeries) {
format = function (date) { return d3.time.format(__axis_x_tick_format)(date); };
}
}
return format;
}
function getXAxisTicks() {
var maxDataCount = getMaxDataCount();
return __axis_x_tick_culling && maxDataCount > __axis_x_tick_count ? __axis_x_tick_count : maxDataCount;
}
function getAxisLabelText(option) {
return typeof option === 'string' ? option : option ? option.text : null;
}
function getAxisLabelPosition(option, defaultPosition) {
var position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition;
return {
isInner: position.indexOf('inner') >= 0,
isOuter: position.indexOf('outer') >= 0,
isLeft: position.indexOf('left') >= 0,
isCenter: position.indexOf('center') >= 0,
isRight: position.indexOf('right') >= 0,
isTop: position.indexOf('top') >= 0,
isMiddle: position.indexOf('middle') >= 0,
isBottom: position.indexOf('bottom') >= 0
};
}
function getXAxisLabelPosition() {
return getAxisLabelPosition(__axis_x_label, __axis_rotated ? 'inner-top' : 'inner-right');
}
function getYAxisLabelPosition() {
return getAxisLabelPosition(__axis_y_label, __axis_rotated ? 'inner-right' : 'inner-top');
}
function getY2AxisLabelPosition() {
return getAxisLabelPosition(__axis_y2_label, __axis_rotated ? 'inner-right' : 'inner-top');
}
function getAxisLabelPositionById(id) {
return id === 'y2' ? getY2AxisLabelPosition() : id === 'y' ? getYAxisLabelPosition() : getXAxisLabelPosition();
}
function textForXAxisLabel() {
return getAxisLabelText(__axis_x_label);
}
function textForYAxisLabel() {
return getAxisLabelText(__axis_y_label);
}
function textForY2AxisLabel() {
return getAxisLabelText(__axis_y2_label);
}
function xForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 0 : position.isCenter ? width / 2 : width;
} else {
return position.isBottom ? -height : position.isMiddle ? -height / 2 : 0;
}
}
function dxForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
} else {
return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
}
}
function textAnchorForAxisLabel(forHorizontal, position) {
if (forHorizontal) {
return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
} else {
return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
}
}
function xForXAxisLabel() {
return xForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function xForYAxisLabel() {
return xForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function xForY2AxisLabel() {
return xForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dxForXAxisLabel() {
return dxForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function dxForYAxisLabel() {
return dxForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function dxForY2AxisLabel() {
return dxForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function dyForXAxisLabel() {
var position = getXAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : -30 - getMaxTickWidth('x');
} else {
return position.isInner ? "-0.5em" : "3em";
}
}
function dyForYAxisLabel() {
var position = getYAxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "-0.5em" : "3em";
} else {
return position.isInner ? "1.2em" : -20 - getMaxTickWidth('y');
}
}
function dyForY2AxisLabel() {
var position = getY2AxisLabelPosition();
if (__axis_rotated) {
return position.isInner ? "1.2em" : "-2.2em";
} else {
return position.isInner ? "-0.5em" : 30 + getMaxTickWidth('y2');
}
}
function textAnchorForXAxisLabel() {
return textAnchorForAxisLabel(!__axis_rotated, getXAxisLabelPosition());
}
function textAnchorForYAxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getYAxisLabelPosition());
}
function textAnchorForY2AxisLabel() {
return textAnchorForAxisLabel(__axis_rotated, getY2AxisLabelPosition());
}
function getMaxTickWidth(id) {
var maxWidth = 0;
d3.selectAll('.' + id + '.axis .tick text').each(function () {
var box = this.getBBox();
if (maxWidth < box.width) { maxWidth = box.width; }
});
return maxWidth;
}
//-- Arc --//
pie = d3.layout.pie().value(function (d) {
return d.values.reduce(function (a, b) { return a + b.value; }, 0);
});
function updateAngle(d) {
var found = false;
pie(c3.data.targets).forEach(function (t) {
if (! found && t.data.id === d.data.id) {
found = true;
d = t;
return;
}
});
return found ? d : null;
}
function getSvgArc() {
var arc = d3.svg.arc().outerRadius(radius).innerRadius(innerRadius),
newArc = function (d, withoutUpdate) {
var updated;
if (withoutUpdate) { return arc(d); } // for interpolate
updated = updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
// TODO: extends all function
newArc.centroid = arc.centroid;
return newArc;
}
function getSvgArcExpanded(rate) {
var arc = d3.svg.arc().outerRadius(radiusExpanded * (rate ? rate : 1)).innerRadius(innerRadius);
return function (d) {
var updated = updateAngle(d);
return updated ? arc(updated) : "M 0 0";
};
}
function getArc(d, withoutUpdate) {
return isArcType(d.data) ? svgArc(d, withoutUpdate) : "M 0 0";
}
function transformForArcLabel(d) {
var updated = updateAngle(d), c, x, y, h, translate = "";
if (updated) {
c = svgArc.centroid(updated);
x = c[0], y = c[1], h = Math.sqrt(x * x + y * y);
translate = "translate(" + ((x / h) * radius * 0.8) + ',' + ((y / h) * radius * 0.8) + ")";
}
return translate;
}
function getArcRatio(d) {
return (d.endAngle - d.startAngle) / (Math.PI * 2);
}
function convertToArcData(d) {
return addName({
id: d.data.id,
value: d.value,
ratio: getArcRatio(d)
});
}
function textForArcLabel(d) {
var ratio, format;
if (! shouldShowArcLable()) { return ""; }
ratio = getArcRatio(d);
format = getArcLabelFormat();
return format ? format(d.value, ratio) : defaultArcValueFormat(d.v, ratio);
}
function expandArc(id, withoutFadeOut) {
var target = svg.selectAll('.chart-arc' + getTargetSelector(id)),
noneTargets = svg.selectAll('.-arc').filter(function (data) { return data.data.id !== id; });
target.selectAll('path')
.transition().duration(50)
.attr("d", svgArcExpanded)
.transition().duration(100)
.attr("d", svgArcExpandedSub)
.each(function (d) {
if (isDonutType(d.data)) {
// callback here
}
});
if (!withoutFadeOut) {
noneTargets.style("opacity", 0.3);
}
}
function unexpandArc(id) {
var target = svg.selectAll('.chart-arc' + getTargetSelector(id));
target.selectAll('path')
.transition().duration(50)
.attr("d", svgArc);
svg.selectAll('.-arc')
.style("opacity", 1);
}
function shouldShowArcLable() {
return hasDonutType(c3.data.targets) ? __donut_label_show : __pie_label_show;
}
function getArcLabelFormat() {
return hasDonutType(c3.data.targets) ? __donut_label_format : __pie_label_format;
}
function getArcTitle() {
return hasDonutType(c3.data.targets) ? __donut_title : "";
}
function getArcOnClick() {
var callback = hasDonutType(c3.data.targets) ? __donut_onclick : __pie_onclick;
return typeof callback === 'function' ? callback : function () {};
}
function getArcOnMouseOver() {
var callback = hasDonutType(c3.data.targets) ? __donut_onmouseover : __pie_onmouseover;
return typeof callback === 'function' ? callback : function () {};
}
function getArcOnMouseOut() {
var callback = hasDonutType(c3.data.targets) ? __donut_onmouseout : __pie_onmouseout;
return typeof callback === 'function' ? callback : function () {};
}
//-- Domain --//
function getYDomainMin(targets) {
var ys = getValuesAsIdKeyed(targets), j, k, baseId, id, hasNegativeValue;
if (__data_groups.length > 0) {
hasNegativeValue = hasNegativeValueInTargets(targets);
for (j = 0; j < __data_groups.length; j++) {
baseId = __data_groups[j][0];
if (hasNegativeValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v < 0 ? v : 0;
});
}
for (k = 1; k < __data_groups[j].length; k++) {
id = __data_groups[j][k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if (getAxisId(id) === getAxisId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return d3.min(Object.keys(ys).map(function (key) { return d3.min(ys[key]); }));
}
function getYDomainMax(targets) {
var ys = getValuesAsIdKeyed(targets), j, k, baseId, id, hasPositiveValue;
if (__data_groups.length > 0) {
hasPositiveValue = hasPositiveValueInTargets(targets);
for (j = 0; j < __data_groups.length; j++) {
baseId = __data_groups[j][0];
if (hasPositiveValue && ys[baseId]) {
ys[baseId].forEach(function (v, i) {
ys[baseId][i] = v > 0 ? v : 0;
});
}
for (k = 1; k < __data_groups[j].length; k++) {
id = __data_groups[j][k];
if (! ys[id]) { continue; }
ys[id].forEach(function (v, i) {
if (getAxisId(id) === getAxisId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
ys[baseId][i] += +v;
}
});
}
}
}
return d3.max(Object.keys(ys).map(function (key) { return d3.max(ys[key]); }));
}
function getYDomain(axisId) {
var yTargets = getTargets(function (d) { return getAxisId(d.id) === axisId; }),
yMin = axisId === 'y2' ? __axis_y2_min : __axis_y_min,
yMax = axisId === 'y2' ? __axis_y2_max : __axis_y_max,
yDomainMin = isValue(yMin) ? yMin : getYDomainMin(yTargets),
yDomainMax = isValue(yMax) ? yMax : getYDomainMax(yTargets),
domainLength, padding, padding_top, padding_bottom,
center = axisId === 'y2' ? __axis_y2_center : __axis_y_center,
yDomainAbs, widths, diff, ratio,
showDataLabel = hasDataLabel() && __axis_rotated;
if (yDomainMin === yDomainMax) {
yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
}
domainLength = Math.abs(yDomainMax - yDomainMin);
padding = padding_top = padding_bottom = showDataLabel ? 0 : domainLength * 0.1;
if (center) {
yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
yDomainMax = yDomainAbs - center;
yDomainMin = center - yDomainAbs;
}
if (axisId === 'y' && __axis_y_padding) {
padding_top = isValue(__axis_y_padding.top) ? __axis_y_padding.top : padding;
padding_bottom = isValue(__axis_y_padding.bottom) ? __axis_y_padding.bottom : padding;
}
if (axisId === 'y2' && __axis_y2_padding) {
padding_top = isValue(__axis_y2_padding.top) ? __axis_y2_padding.top : padding;
padding_bottom = isValue(__axis_y2_padding.bottom) ? __axis_y2_padding.bottom : padding;
}
// add padding for data label
if (showDataLabel) {
widths = getDataLabelWidth(yDomainMin, yDomainMax);
diff = diffDomain(y.range());
ratio = [widths[0] / diff, widths[1] / diff];
padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
}
// Bar chart with only positive values should be 0-based
if (hasBarType(yTargets) && !hasNegativeValueInTargets(yTargets)) {
padding_bottom = yDomainMin;
}
return [yDomainMin - padding_bottom, yDomainMax + padding_top];
}
function getXDomainRatio(isSub) {
var orgDiff = diffDomain(orgXDomain), currentDiff = diffDomain(x.domain());
return isSub || currentDiff === 0 ? 1 : orgDiff / currentDiff;
}
function getXDomainMin(targets) {
return d3.min(targets, function (t) { return d3.min(t.values, function (v) { return v.x; }); });
}
function getXDomainMax(targets) {
return d3.max(targets, function (t) { return d3.max(t.values, function (v) { return v.x; }); });
}
function getXDomainPadding(targets, domain) {
var firstX = domain[0], lastX = domain[1], diff = Math.abs(firstX - lastX), maxDataCount, padding;
if (isCategorized) {
padding = 0;
} else if (hasBarType(targets)) {
maxDataCount = getMaxDataCount();
padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
} else {
padding = diff * 0.01;
}
return padding;
}
function getXDomain(targets) {
var xDomain = [getXDomainMin(targets), getXDomainMax(targets)],
firstX = xDomain[0], lastX = xDomain[1],
padding = getXDomainPadding(targets, xDomain),
min = isTimeSeries ? new Date(firstX.getTime() - padding) : firstX - padding,
max = isTimeSeries ? new Date(lastX.getTime() + padding) : lastX + padding;
return [min, max];
}
function diffDomain(d) {
return d[1] - d[0];
}
//-- Cache --//
function hasCaches(ids) {
for (var i = 0; i < ids.length; i++) {
if (! (ids[i] in cache)) { return false; }
}
return true;
}
function addCache(id, target) {
cache[id] = cloneTarget(target);
}
function getCaches(ids) {
var targets = [];
for (var i = 0; i < ids.length; i++) {
if (ids[i] in cache) { targets.push(cloneTarget(cache[ids[i]])); }
}
return targets;
}
//-- Regions --//
function regionStart(d) {
return ('start' in d) ? x(isTimeSeries ? parseDate(d.start) : d.start) : 0;
}
function regionWidth(d) {
var start = regionStart(d),
end = ('end' in d) ? x(isTimeSeries ? parseDate(d.end) : d.end) : width,
w = end - start;
return (w < 0) ? 0 : w;
}
//-- Data --//
function isX(key) {
return (__data_x && key === __data_x) || (__data_xs && hasValue(__data_xs, key));
}
function isNotX(key) {
return !isX(key);
}
function getXKey(id) {
return __data_x ? __data_x : __data_xs ? __data_xs[id] : null;
}
function getXValue(id, i) {
return id in c3.data.x && c3.data.x[id] && c3.data.x[id][i] ? c3.data.x[id][i] : i;
}
function addXs(xs) {
Object.keys(xs).forEach(function (id) {
__data_xs[id] = xs[id];
});
}
function addName(data) {
var name;
if (data) {
name = __data_names[data.id];
data.name = name ? name : data.id;
}
return data;
}
function convertRowsToData(rows) {
var keys = rows[0], new_row = {}, new_rows = [], i, j;
for (i = 1; i < rows.length; i++) {
new_row = {};
for (j = 0; j < rows[i].length; j++) {
new_row[keys[j]] = rows[i][j];
}
new_rows.push(new_row);
}
return new_rows;
}
function convertColumnsToData(columns) {
var new_rows = [], i, j, key;
for (i = 0; i < columns.length; i++) {
key = columns[i][0];
for (j = 1; j < columns[i].length; j++) {
if (isUndefined(new_rows[j - 1])) {
new_rows[j - 1] = {};
}
new_rows[j - 1][key] = columns[i][j];
}
}
return new_rows;
}
function convertDataToTargets(data) {
var ids = d3.keys(data[0]).filter(isNotX), xs = d3.keys(data[0]).filter(isX), targets;
// check "x" is defined if timeseries
if (isTimeSeries && xs.length === 0) {
throw new Error('data.x or data.xs must be specified when axis.x.type == "timeseries"');
}
// save x for update data by load
if (isCustomX) {
ids.forEach(function (id) {
var xKey = getXKey(id);