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/**
* @license Highcharts JS v6.1.0 (2018-04-13)
*
* (c) 2016 Highsoft AS
* Authors: Jon Arild Nygard
*
* License: www.highcharts.com/license
*/
'use strict';
(function (factory) {
if (typeof module === 'object' && module.exports) {
module.exports = factory;
} else {
factory(Highcharts);
}
}(function (Highcharts) {
var draw = (function () {
var isFn = function (x) {
return typeof x === 'function';
};
/**
* draw - Handles the drawing of a point.
* TODO: add type checking.
*
* @param {object} params Parameters.
* @return {undefined} Returns undefined.
*/
var draw = function draw(params) {
var point = this,
graphic = point.graphic,
animate = params.animate,
attr = params.attr,
onComplete = params.onComplete,
css = params.css,
group = params.group,
renderer = params.renderer,
shape = params.shapeArgs,
type = params.shapeType;
if (point.shouldDraw()) {
if (!graphic) {
point.graphic = graphic = renderer[type](shape).add(group);
}
graphic.css(css).attr(attr).animate(animate, undefined, onComplete);
} else if (graphic) {
graphic.animate(animate, undefined, function () {
point.graphic = graphic = graphic.destroy();
if (isFn(onComplete)) {
onComplete();
}
});
}
if (graphic) {
graphic.addClass(point.getClassName(), true);
}
};
return draw;
}());
var result = (function (H) {
var each = H.each,
extend = H.extend,
isArray = H.isArray,
isBoolean = function (x) {
return typeof x === 'boolean';
},
isFn = function (x) {
return typeof x === 'function';
},
isObject = H.isObject,
isNumber = H.isNumber,
merge = H.merge,
pick = H.pick,
reduce = H.reduce;
// TODO Combine buildTree and buildNode with setTreeValues
// TODO Remove logic from Treemap and make it utilize this mixin.
var setTreeValues = function setTreeValues(tree, options) {
var before = options.before,
idRoot = options.idRoot,
mapIdToNode = options.mapIdToNode,
nodeRoot = mapIdToNode[idRoot],
levelIsConstant = (
isBoolean(options.levelIsConstant) ?
options.levelIsConstant :
true
),
points = options.points,
point = points[tree.i],
optionsPoint = point && point.options || {},
childrenTotal = 0,
children = [],
value;
extend(tree, {
levelDynamic: tree.level - (levelIsConstant ? 0 : nodeRoot.level),
name: pick(point && point.name, ''),
visible: (
idRoot === tree.id ||
(isBoolean(options.visible) ? options.visible : false)
)
});
if (isFn(before)) {
tree = before(tree, options);
}
// First give the children some values
each(tree.children, function (child, i) {
var newOptions = extend({}, options);
extend(newOptions, {
index: i,
siblings: tree.children.length,
visible: tree.visible
});
child = setTreeValues(child, newOptions);
children.push(child);
if (child.visible) {
childrenTotal += child.val;
}
});
tree.visible = childrenTotal > 0 || tree.visible;
// Set the values
value = pick(optionsPoint.value, childrenTotal);
extend(tree, {
children: children,
childrenTotal: childrenTotal,
isLeaf: tree.visible && !childrenTotal,
val: value
});
return tree;
};
var getColor = function getColor(node, options) {
var index = options.index,
mapOptionsToLevel = options.mapOptionsToLevel,
parentColor = options.parentColor,
parentColorIndex = options.parentColorIndex,
series = options.series,
colors = options.colors,
siblings = options.siblings,
points = series.points,
getColorByPoint,
point,
level,
colorByPoint,
colorIndexByPoint,
color,
colorIndex;
function variation(color) {
var colorVariation = level && level.colorVariation;
if (colorVariation) {
if (colorVariation.key === 'brightness') {
return H.color(color).brighten(
colorVariation.to * (index / siblings)
).get();
}
}
return color;
}
if (node) {
point = points[node.i];
level = mapOptionsToLevel[node.level] || {};
getColorByPoint = point && level.colorByPoint;
if (getColorByPoint) {
colorIndexByPoint = point.index % (colors ?
colors.length :
series.chart.options.chart.colorCount
);
colorByPoint = colors && colors[colorIndexByPoint];
}
// Select either point color, level color or inherited color.
color = pick(
point && point.options.color,
level && level.color,
colorByPoint,
parentColor && variation(parentColor),
series.color
);
colorIndex = pick(
point && point.options.colorIndex,
level && level.colorIndex,
colorIndexByPoint,
parentColorIndex,
options.colorIndex
);
}
return {
color: color,
colorIndex: colorIndex
};
};
/**
* getLevelOptions - Creates a map from level number to its given options.
* @param {Object} params Object containing parameters.
* @param {Object} params.defaults Object containing default options. The
* default options are merged with the userOptions to get the final options for
* a specific level.
* @param {Number} params.from The lowest level number.
* @param {Array} params.levels User options from series.levels.
* @param {Number} params.to The highest level number.
* @return {null|Object} Returns a map from level number to its given options.
* Returns null if invalid input parameters.
*/
var getLevelOptions = function getLevelOptions(params) {
var result = null,
defaults,
converted,
i,
from,
to,
levels;
if (isObject(params)) {
result = {};
from = isNumber(params.from) ? params.from : 1;
levels = params.levels;
converted = {};
defaults = isObject(params.defaults) ? params.defaults : {};
if (isArray(levels)) {
converted = reduce(levels, function (obj, item) {
var level,
levelIsConstant,
options;
if (isObject(item) && isNumber(item.level)) {
options = merge({}, item);
levelIsConstant = (
isBoolean(options.levelIsConstant) ?
options.levelIsConstant :
defaults.levelIsConstant
);
// Delete redundant properties.
delete options.levelIsConstant;
delete options.level;
// Calculate which level these options apply to.
level = item.level + (levelIsConstant ? 0 : from - 1);
if (isObject(obj[level])) {
extend(obj[level], options);
} else {
obj[level] = options;
}
}
return obj;
}, {});
}
to = isNumber(params.to) ? params.to : 1;
for (i = 0; i <= to; i++) {
result[i] = merge(
{},
defaults,
isObject(converted[i]) ? converted[i] : {}
);
}
}
return result;
};
/**
* Update the rootId property on the series. Also makes sure that it is
* accessible to exporting.
* @param {object} series The series to operate on.
* @returns Returns the resulting rootId after update.
*/
var updateRootId = function (series) {
var rootId,
options;
if (isObject(series)) {
// Get the series options.
options = isObject(series.options) ? series.options : {};
// Calculate the rootId.
rootId = pick(series.rootNode, options.rootId, '');
// Set rootId on series.userOptions to pick it up in exporting.
if (isObject(series.userOptions)) {
series.userOptions.rootId = rootId;
}
// Set rootId on series to pick it up on next update.
series.rootNode = rootId;
}
return rootId;
};
var result = {
getColor: getColor,
getLevelOptions: getLevelOptions,
setTreeValues: setTreeValues,
updateRootId: updateRootId
};
return result;
}(Highcharts));
(function (H, mixinTreeSeries) {
/**
* (c) 2014 Highsoft AS
* Authors: Jon Arild Nygard / Oystein Moseng
*
* License: www.highcharts.com/license
*/
var seriesType = H.seriesType,
seriesTypes = H.seriesTypes,
map = H.map,
merge = H.merge,
extend = H.extend,
noop = H.noop,
each = H.each,
getColor = mixinTreeSeries.getColor,
getLevelOptions = mixinTreeSeries.getLevelOptions,
grep = H.grep,
isBoolean = function (x) {
return typeof x === 'boolean';
},
isNumber = H.isNumber,
isObject = H.isObject,
isString = H.isString,
pick = H.pick,
Series = H.Series,
stableSort = H.stableSort,
color = H.Color,
eachObject = function (list, func, context) {
context = context || this;
H.objectEach(list, function (val, key) {
func.call(context, val, key, list);
});
},
reduce = H.reduce,
// @todo find correct name for this function.
// @todo Similar to reduce, this function is likely redundant
recursive = function (item, func, context) {
var next;
context = context || this;
next = func.call(context, item);
if (next !== false) {
recursive(next, func, context);
}
},
updateRootId = mixinTreeSeries.updateRootId;
/**
* A treemap displays hierarchical data using nested rectangles. The data can be
* laid out in varying ways depending on options.
*
* @sample highcharts/demo/treemap-large-dataset/ Treemap
*
* @extends {plotOptions.scatter}
* @excluding marker
* @product highcharts
* @optionparent plotOptions.treemap
*/
seriesType('treemap', 'scatter', {
/**
* When enabled the user can click on a point which is a parent and
* zoom in on its children.
*
* @type {Boolean}
* @sample {highcharts} highcharts/plotoptions/treemap-allowdrilltonode/ Enabled
* @default false
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.allowDrillToNode
*/
/**
* When the series contains less points than the crop threshold, all
* points are drawn, event if the points fall outside the visible plot
* area at the current zoom. The advantage of drawing all points (including
* markers and columns), is that animation is performed on updates.
* On the other hand, when the series contains more points than the
* crop threshold, the series data is cropped to only contain points
* that fall within the plot area. The advantage of cropping away invisible
* points is to increase performance on large series.
*
* @type {Number}
* @default 300
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.cropThreshold
*/
/**
* This option decides if the user can interact with the parent nodes
* or just the leaf nodes. When this option is undefined, it will be
* true by default. However when allowDrillToNode is true, then it will
* be false by default.
*
* @type {Boolean}
* @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-false/ False
* @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-true-and-allowdrilltonode/ InteractByLeaf and allowDrillToNode is true
* @since 4.1.2
* @product highcharts
* @apioption plotOptions.treemap.interactByLeaf
*/
/**
* The sort index of the point inside the treemap level.
*
* @type {Number}
* @sample {highcharts} highcharts/plotoptions/treemap-sortindex/ Sort by years
* @since 4.1.10
* @product highcharts
* @apioption plotOptions.treemap.sortIndex
*/
/**
* When using automatic point colors pulled from the `options.colors`
* collection, this option determines whether the chart should receive
* one color per series or one color per point.
*
* @type {Boolean}
* @see [series colors](#plotOptions.treemap.colors)
* @default false
* @since 2.0
* @apioption plotOptions.treemap.colorByPoint
*/
/**
* A series specific or series type specific color set to apply instead
* of the global [colors](#colors) when [colorByPoint](
* #plotOptions.treemap.colorByPoint) is true.
*
* @type {Array<Color>}
* @since 3.0
* @apioption plotOptions.treemap.colors
*/
/**
* Whether to display this series type or specific series item in the
* legend.
*
* @type {Boolean}
* @default false
* @product highcharts
*/
showInLegend: false,
/**
* @ignore
*/
marker: false,
colorByPoint: false,
/**
* @extends plotOptions.heatmap.dataLabels
* @since 4.1.0
* @product highcharts
*/
dataLabels: {
enabled: true,
defer: false,
verticalAlign: 'middle',
formatter: function () { // #2945
return this.point.name || this.point.id;
},
inside: true
},
tooltip: {
headerFormat: '',
pointFormat: '<b>{point.name}</b>: {point.value}<br/>'
},
/**
* Whether to ignore hidden points when the layout algorithm runs.
* If `false`, hidden points will leave open spaces.
*
* @type {Boolean}
* @default true
* @since 5.0.8
* @product highcharts
*/
ignoreHiddenPoint: true,
/**
* This option decides which algorithm is used for setting position
* and dimensions of the points. Can be one of `sliceAndDice`, `stripes`,
* `squarified` or `strip`.
*
* @validvalue ["sliceAndDice", "stripes", "squarified", "strip"]
* @type {String}
* @see [How to write your own algorithm](http://www.highcharts.com/docs/chart-
* and-series-types/treemap)
* @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-sliceanddice/ SliceAndDice by default
* @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-stripes/ Stripes
* @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-squarified/ Squarified
* @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-strip/ Strip
* @default sliceAndDice
* @since 4.1.0
* @product highcharts
*/
layoutAlgorithm: 'sliceAndDice',
/**
* Defines which direction the layout algorithm will start drawing.
* Possible values are "vertical" and "horizontal".
*
* @validvalue ["vertical", "horizontal"]
* @type {String}
* @default vertical
* @since 4.1.0
* @product highcharts
*/
layoutStartingDirection: 'vertical',
/**
* Enabling this option will make the treemap alternate the drawing
* direction between vertical and horizontal. The next levels starting
* direction will always be the opposite of the previous.
*
* @type {Boolean}
* @sample {highcharts} highcharts/plotoptions/treemap-alternatestartingdirection-true/ Enabled
* @default false
* @since 4.1.0
* @product highcharts
*/
alternateStartingDirection: false,
/**
* Used together with the levels and allowDrillToNode options. When
* set to false the first level visible when drilling is considered
* to be level one. Otherwise the level will be the same as the tree
* structure.
*
* @type {Boolean}
* @default true
* @since 4.1.0
* @product highcharts
*/
levelIsConstant: true,
/**
* Options for the button appearing when drilling down in a treemap.
*/
drillUpButton: {
/**
* The position of the button.
*/
position: {
/**
* Vertical alignment of the button.
*
* @default top
* @validvalue ["top", "middle", "bottom"]
* @apioption plotOptions.treemap.drillUpButton.position.verticalAlign
*/
/**
* Horizontal alignment of the button.
* @validvalue ["left", "center", "right"]
*/
align: 'right',
/**
* Horizontal offset of the button.
* @default -10
* @type {Number}
*/
x: -10,
/**
* Vertical offset of the button.
*/
y: 10
}
},
/**
* Set options on specific levels. Takes precedence over series options,
* but not point options.
*
* @type {Array<Object>}
* @sample {highcharts} highcharts/plotoptions/treemap-levels/
* Styling dataLabels and borders
* @sample {highcharts} highcharts/demo/treemap-with-levels/
* Different layoutAlgorithm
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels
*/
/**
* Can set a `borderColor` on all points which lies on the same level.
*
* @type {Color}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.borderColor
*/
/**
* Set the dash style of the border of all the point which lies on the
* level. See <a href"#plotoptions.scatter.dashstyle">
* plotOptions.scatter.dashStyle</a> for possible options.
*
* @type {String}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.borderDashStyle
*/
/**
* Can set the borderWidth on all points which lies on the same level.
*
* @type {Number}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.borderWidth
*/
/**
* Can set a color on all points which lies on the same level.
*
* @type {Color}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.color
*/
/**
* A configuration object to define how the color of a child varies from the
* parent's color. The variation is distributed among the children of node.
* For example when setting brightness, the brightness change will range
* from the parent's original brightness on the first child, to the amount
* set in the `to` setting on the last node. This allows a gradient-like
* color scheme that sets children out from each other while highlighting
* the grouping on treemaps and sectors on sunburst charts.
*
* @type {Object}
* @sample highcharts/demo/sunburst/ Sunburst with color variation
* @since 6.0.0
* @product highcharts
* @apioption plotOptions.treemap.levels.colorVariation
*/
/**
* The key of a color variation. Currently supports `brightness` only.
*
* @type {String}
* @validvalue ["brightness"]
* @since 6.0.0
* @product highcharts
* @apioption plotOptions.treemap.levels.colorVariation.key
*/
/**
* The ending value of a color variation. The last sibling will receive this
* value.
*
* @type {Number}
* @since 6.0.0
* @product highcharts
* @apioption plotOptions.treemap.levels.colorVariation.to
*/
/**
* Can set the options of dataLabels on each point which lies on the
* level. [plotOptions.treemap.dataLabels](#plotOptions.treemap.dataLabels)
* for possible values.
*
* @type {Object}
* @default undefined
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.dataLabels
*/
/**
* Can set the layoutAlgorithm option on a specific level.
*
* @validvalue ["sliceAndDice", "stripes", "squarified", "strip"]
* @type {String}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.layoutAlgorithm
*/
/**
* Can set the layoutStartingDirection option on a specific level.
*
* @validvalue ["vertical", "horizontal"]
* @type {String}
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.layoutStartingDirection
*/
/**
* Decides which level takes effect from the options set in the levels
* object.
*
* @type {Number}
* @sample {highcharts} highcharts/plotoptions/treemap-levels/
* Styling of both levels
* @since 4.1.0
* @product highcharts
* @apioption plotOptions.treemap.levels.level
*/
// Presentational options
/**
* The color of the border surrounding each tree map item.
*
* @type {Color}
* @default #e6e6e6
* @product highcharts
*/
borderColor: '#e6e6e6',
/**
* The width of the border surrounding each tree map item.
*/
borderWidth: 1,
/**
* The opacity of a point in treemap. When a point has children, the
* visibility of the children is determined by the opacity.
*
* @type {Number}
* @default 0.15
* @since 4.2.4
* @product highcharts
*/
opacity: 0.15,
/**
* A wrapper object for all the series options in specific states.
*
* @extends plotOptions.heatmap.states
* @product highcharts
*/
states: {
/**
* Options for the hovered series
*
* @extends plotOptions.heatmap.states.hover
* @excluding halo
* @product highcharts
*/
hover: {
/**
* The border color for the hovered state.
*/
borderColor: '#999999',
/**
* Brightness for the hovered point. Defaults to 0 if the heatmap
* series is loaded, otherwise 0.1.
*
* @default null
* @type {Number}
*/
brightness: seriesTypes.heatmap ? 0 : 0.1,
/**
* @extends plotOptions.heatmap.states.hover.halo
*/
halo: false,
/**
* The opacity of a point in treemap. When a point has children,
* the visibility of the children is determined by the opacity.
*
* @type {Number}
* @default 0.75
* @since 4.2.4
* @product highcharts
*/
opacity: 0.75,
/**
* The shadow option for hovered state.
*/
shadow: false
}
}
// Prototype members
}, {
pointArrayMap: ['value'],
axisTypes: seriesTypes.heatmap ?
['xAxis', 'yAxis', 'colorAxis'] :
['xAxis', 'yAxis'],
directTouch: true,
optionalAxis: 'colorAxis',
getSymbol: noop,
parallelArrays: ['x', 'y', 'value', 'colorValue'],
colorKey: 'colorValue', // Point color option key
translateColors: (
seriesTypes.heatmap &&
seriesTypes.heatmap.prototype.translateColors
),
colorAttribs: (
seriesTypes.heatmap &&
seriesTypes.heatmap.prototype.colorAttribs
),
trackerGroups: ['group', 'dataLabelsGroup'],
/**
* Creates an object map from parent id to childrens index.
* @param {Array} data List of points set in options.
* @param {string} data[].parent Parent id of point.
* @param {Array} ids List of all point ids.
* @return {Object} Map from parent id to children index in data.
*/
getListOfParents: function (data, ids) {
var listOfParents = reduce(data || [], function (prev, curr, i) {
var parent = pick(curr.parent, '');
if (prev[parent] === undefined) {
prev[parent] = [];
}
prev[parent].push(i);
return prev;
}, {});
// If parent does not exist, hoist parent to root of tree.
eachObject(listOfParents, function (children, parent, list) {
if ((parent !== '') && (H.inArray(parent, ids) === -1)) {
each(children, function (child) {
list[''].push(child);
});
delete list[parent];
}
});
return listOfParents;
},
/**
* Creates a tree structured object from the series points
*/
getTree: function () {
var series = this,
allIds = map(this.data, function (d) {
return d.id;
}),
parentList = series.getListOfParents(this.data, allIds);
series.nodeMap = [];
return series.buildNode('', -1, 0, parentList, null);
},
init: function (chart, options) {
var series = this;
Series.prototype.init.call(series, chart, options);
if (series.options.allowDrillToNode) {
H.addEvent(series, 'click', series.onClickDrillToNode);
}
},
buildNode: function (id, i, level, list, parent) {
var series = this,
children = [],
point = series.points[i],
height = 0,
node,
child;
// Actions
each((list[id] || []), function (i) {
child = series.buildNode(
series.points[i].id,
i,
(level + 1),
list,
id
);
height = Math.max(child.height + 1, height);
children.push(child);
});
node = {
id: id,
i: i,
children: children,
height: height,
level: level,
parent: parent,
visible: false // @todo move this to better location
};
series.nodeMap[node.id] = node;
if (point) {
point.node = node;
}
return node;
},
setTreeValues: function (tree) {
var series = this,
options = series.options,
idRoot = series.rootNode,
mapIdToNode = series.nodeMap,
nodeRoot = mapIdToNode[idRoot],
levelIsConstant = (
isBoolean(options.levelIsConstant) ?
options.levelIsConstant :
true
),
childrenTotal = 0,
children = [],
val,
point = series.points[tree.i];
// First give the children some values
each(tree.children, function (child) {
child = series.setTreeValues(child);
children.push(child);
if (!child.ignore) {
childrenTotal += child.val;
}
});
// Sort the children
stableSort(children, function (a, b) {
return a.sortIndex - b.sortIndex;
});
// Set the values
val = pick(point && point.options.value, childrenTotal);
if (point) {
point.value = val;
}
extend(tree, {
children: children,
childrenTotal: childrenTotal,
// Ignore this node if point is not visible
ignore: !(pick(point && point.visible, true) && (val > 0)),
isLeaf: tree.visible && !childrenTotal,
levelDynamic: tree.level - (levelIsConstant ? 0 : nodeRoot.level),
name: pick(point && point.name, ''),
sortIndex: pick(point && point.sortIndex, -val),
val: val
});
return tree;
},
/**
* Recursive function which calculates the area for all children of a node.
* @param {Object} node The node which is parent to the children.
* @param {Object} area The rectangular area of the parent.
*/
calculateChildrenAreas: function (parent, area) {
var series = this,
options = series.options,
mapOptionsToLevel = series.mapOptionsToLevel,
level = mapOptionsToLevel[parent.level + 1],
algorithm = pick(
(
series[level &&
level.layoutAlgorithm] &&
level.layoutAlgorithm
),
options.layoutAlgorithm
),
alternate = options.alternateStartingDirection,
childrenValues = [],
children;
// Collect all children which should be included
children = grep(parent.children, function (n) {
return !n.ignore;
});
if (level && level.layoutStartingDirection) {
area.direction = level.layoutStartingDirection === 'vertical' ?
0 :
1;
}
childrenValues = series[algorithm](area, children);
each(children, function (child, index) {
var values = childrenValues[index];
child.values = merge(values, {
val: child.childrenTotal,
direction: (alternate ? 1 - area.direction : area.direction)
});
child.pointValues = merge(values, {
x: (values.x / series.axisRatio),
width: (values.width / series.axisRatio)
});
// If node has children, then call method recursively
if (child.children.length) {
series.calculateChildrenAreas(child, child.values);
}
});
},
setPointValues: function () {
var series = this,
xAxis = series.xAxis,
yAxis = series.yAxis;
each(series.points, function (point) {
var node = point.node,
values = node.pointValues,
x1,
x2,
y1,
y2,
crispCorr = 0;
// Get the crisp correction in classic mode. For this to work in
// styled mode, we would need to first add the shape (without x, y,
// width and height), then read the rendered stroke width using
// point.graphic.strokeWidth(), then modify and apply the shapeArgs.
// This applies also to column series, but the downside is
// performance and code complexity.
crispCorr = (
(series.pointAttribs(point)['stroke-width'] || 0) % 2
) / 2;
// Points which is ignored, have no values.
if (values && node.visible) {
x1 = Math.round(
xAxis.translate(values.x, 0, 0, 0, 1)
) - crispCorr;
x2 = Math.round(
xAxis.translate(values.x + values.width, 0, 0, 0, 1)
) - crispCorr;
y1 = Math.round(
yAxis.translate(values.y, 0, 0, 0, 1)
) - crispCorr;
y2 = Math.round(
yAxis.translate(values.y + values.height, 0, 0, 0, 1)
) - crispCorr;
// Set point values
point.shapeType = 'rect';
point.shapeArgs = {
x: Math.min(x1, x2),
y: Math.min(y1, y2),
width: Math.abs(x2 - x1),
height: Math.abs(y2 - y1)
};
point.plotX = point.shapeArgs.x + (point.shapeArgs.width / 2);
point.plotY = point.shapeArgs.y + (point.shapeArgs.height / 2);
} else {
// Reset visibility
delete point.plotX;
delete point.plotY;
}
});
},
/**
* Set the node's color recursively, from the parent down.
*/
setColorRecursive: function (
node,
parentColor,
colorIndex,
index,
siblings
) {
var series = this,
chart = series && series.chart,
colors = chart && chart.options && chart.options.colors,
colorInfo,
point;
if (node) {
colorInfo = getColor(node, {
colors: colors,
index: index,
mapOptionsToLevel: series.mapOptionsToLevel,
parentColor: parentColor,
parentColorIndex: colorIndex,
series: series,
siblings: siblings
});
point = series.points[node.i];
if (point) {
point.color = colorInfo.color;
point.colorIndex = colorInfo.colorIndex;
}
// Do it all again with the children
each(node.children || [], function (child, i) {
series.setColorRecursive(
child,
colorInfo.color,
colorInfo.colorIndex,
i,
node.children.length
);
});
}
},
algorithmGroup: function (h, w, d, p) {
this.height = h;
this.width = w;
this.plot = p;
this.direction = d;
this.startDirection = d;
this.total = 0;
this.nW = 0;
this.lW = 0;
this.nH = 0;
this.lH = 0;
this.elArr = [];
this.lP = {
total: 0,
lH: 0,
nH: 0,
lW: 0,
nW: 0,
nR: 0,
lR: 0,
aspectRatio: function (w, h) {
return Math.max((w / h), (h / w));
}
};
this.addElement = function (el) {
this.lP.total = this.elArr[this.elArr.length - 1];
this.total = this.total + el;
if (this.direction === 0) {
// Calculate last point old aspect ratio
this.lW = this.nW;
this.lP.lH = this.lP.total / this.lW;
this.lP.lR = this.lP.aspectRatio(this.lW, this.lP.lH);
// Calculate last point new aspect ratio
this.nW = this.total / this.height;
this.lP.nH = this.lP.total / this.nW;
this.lP.nR = this.lP.aspectRatio(this.nW, this.lP.nH);
} else {
// Calculate last point old aspect ratio
this.lH = this.nH;
this.lP.lW = this.lP.total / this.lH;
this.lP.lR = this.lP.aspectRatio(this.lP.lW, this.lH);
// Calculate last point new aspect ratio
this.nH = this.total / this.width;
this.lP.nW = this.lP.total / this.nH;
this.lP.nR = this.lP.aspectRatio(this.lP.nW, this.nH);
}
this.elArr.push(el);
};
this.reset = function () {
this.nW = 0;
this.lW = 0;
this.elArr = [];
this.total = 0;
};
},
algorithmCalcPoints: function (directionChange, last, group, childrenArea) {
var pX,
pY,
pW,
pH,
gW = group.lW,
gH = group.lH,
plot = group.plot,
keep,
i = 0,
end = group.elArr.length - 1;
if (last) {
gW = group.nW;
gH = group.nH;
} else {
keep = group.elArr[group.elArr.length - 1];
}
each(group.elArr, function (p) {
if (last || (i < end)) {
if (group.direction === 0) {
pX = plot.x;
pY = plot.y;
pW = gW;
pH = p / pW;
} else {
pX = plot.x;
pY = plot.y;
pH = gH;
pW = p / pH;
}
childrenArea.push({
x: pX,
y: pY,
width: pW,
height: pH
});
if (group.direction === 0) {
plot.y = plot.y + pH;
} else {
plot.x = plot.x + pW;
}
}
i = i + 1;
});
// Reset variables
group.reset();
if (group.direction === 0) {
group.width = group.width - gW;
} else {
group.height = group.height - gH;
}
plot.y = plot.parent.y + (plot.parent.height - group.height);
plot.x = plot.parent.x + (plot.parent.width - group.width);
if (directionChange) {
group.direction = 1 - group.direction;
}
// If not last, then add uncalculated element
if (!last) {
group.addElement(keep);
}
},
algorithmLowAspectRatio: function (directionChange, parent, children) {
var childrenArea = [],
series = this,
pTot,
plot = {
x: parent.x,
y: parent.y,
parent: parent
},
direction = parent.direction,
i = 0,
end = children.length - 1,
group = new this.algorithmGroup( // eslint-disable-line new-cap
parent.height,
parent.width,
direction,
plot
);
// Loop through and calculate all areas
each(children, function (child) {
pTot = (parent.width * parent.height) * (child.val / parent.val);
group.addElement(pTot);
if (group.lP.nR > group.lP.lR) {
series.algorithmCalcPoints(
directionChange,
false,
group,
childrenArea,
plot
);
}
// If last child, then calculate all remaining areas
if (i === end) {
series.algorithmCalcPoints(
directionChange,
true,
group,
childrenArea,
plot
);
}
i = i + 1;
});
return childrenArea;
},
algorithmFill: function (directionChange, parent, children) {
var childrenArea = [],
pTot,
direction = parent.direction,
x = parent.x,
y = parent.y,
width = parent.width,
height = parent.height,
pX,
pY,
pW,
pH;
each(children, function (child) {
pTot = (parent.width * parent.height) * (child.val / parent.val);
pX = x;
pY = y;
if (direction === 0) {
pH = height;
pW = pTot / pH;
width = width - pW;
x = x + pW;
} else {
pW = width;
pH = pTot / pW;
height = height - pH;
y = y + pH;
}
childrenArea.push({
x: pX,
y: pY,
width: pW,
height: pH
});
if (directionChange) {
direction = 1 - direction;
}
});
return childrenArea;
},
strip: function (parent, children) {
return this.algorithmLowAspectRatio(false, parent, children);
},
squarified: function (parent, children) {
return this.algorithmLowAspectRatio(true, parent, children);
},
sliceAndDice: function (parent, children) {
return this.algorithmFill(true, parent, children);
},
stripes: function (parent, children) {
return this.algorithmFill(false, parent, children);
},
translate: function () {
var series = this,
options = series.options,
// NOTE: updateRootId modifies series.
rootId = updateRootId(series),
rootNode,
pointValues,
seriesArea,
tree,
val;
// Call prototype function
Series.prototype.translate.call(series);
// @todo Only if series.isDirtyData is true
tree = series.tree = series.getTree();
rootNode = series.nodeMap[rootId];
series.mapOptionsToLevel = getLevelOptions({
from: rootNode.level + 1,
levels: options.levels,
to: tree.height,
defaults: {
levelIsConstant: series.options.levelIsConstant,
colorByPoint: options.colorByPoint
}
});
if (
rootId !== '' &&
(!rootNode || !rootNode.children.length)
) {
series.drillToNode('', false);
rootId = series.rootNode;
rootNode = series.nodeMap[rootId];
}
// Parents of the root node is by default visible
recursive(series.nodeMap[series.rootNode], function (node) {
var next = false,
p = node.parent;
node.visible = true;
if (p || p === '') {
next = series.nodeMap[p];
}
return next;
});
// Children of the root node is by default visible
recursive(
series.nodeMap[series.rootNode].children,
function (children) {
var next = false;
each(children, function (child) {
child.visible = true;
if (child.children.length) {
next = (next || []).concat(child.children);
}
});
return next;
}
);
series.setTreeValues(tree);
// Calculate plotting values.
series.axisRatio = (series.xAxis.len / series.yAxis.len);
series.nodeMap[''].pointValues = pointValues =
{ x: 0, y: 0, width: 100, height: 100 };
series.nodeMap[''].values = seriesArea = merge(pointValues, {
width: (pointValues.width * series.axisRatio),
direction: (options.layoutStartingDirection === 'vertical' ? 0 : 1),
val: tree.val
});
series.calculateChildrenAreas(tree, seriesArea);
// Logic for point colors
if (series.colorAxis) {
series.translateColors();
} else if (!options.colorByPoint) {
series.setColorRecursive(series.tree);
}
// Update axis extremes according to the root node.
if (options.allowDrillToNode) {
val = rootNode.pointValues;
series.xAxis.setExtremes(val.x, val.x + val.width, false);
series.yAxis.setExtremes(val.y, val.y + val.height, false);
series.xAxis.setScale();
series.yAxis.setScale();
}
// Assign values to points.
series.setPointValues();
},
/**
* Extend drawDataLabels with logic to handle custom options related to the
* treemap series:
* - Points which is not a leaf node, has dataLabels disabled by default.
* - Options set on series.levels is merged in.
* - Width of the dataLabel is set to match the width of the point shape.
*/
drawDataLabels: function () {
var series = this,
mapOptionsToLevel = series.mapOptionsToLevel,
points = grep(series.points, function (n) {
return n.node.visible;
}),
options,
level;
each(points, function (point) {
level = mapOptionsToLevel[point.node.level];
// Set options to new object to avoid problems with scope
options = { style: {} };
// If not a leaf, then label should be disabled as default
if (!point.node.isLeaf) {
options.enabled = false;
}
// If options for level exists, include them as well
if (level && level.dataLabels) {
options = merge(options, level.dataLabels);
series._hasPointLabels = true;
}
// Set dataLabel width to the width of the point shape.
if (point.shapeArgs) {
options.style.width = point.shapeArgs.width;
if (point.dataLabel) {
point.dataLabel.css({
width: point.shapeArgs.width + 'px'
});
}
}
// Merge custom options with point options
point.dlOptions = merge(options, point.options.dataLabels);
});
Series.prototype.drawDataLabels.call(this);
},
/**
* Over the alignment method by setting z index
*/
alignDataLabel: function (point) {
seriesTypes.column.prototype.alignDataLabel.apply(this, arguments);
if (point.dataLabel) {
// point.node.zIndex could be undefined (#6956)
point.dataLabel.attr({ zIndex: (point.node.zIndex || 0) + 1 });
}
},
/**
* Get presentational attributes
*/
pointAttribs: function (point, state) {
var series = this,
mapOptionsToLevel = (
isObject(series.mapOptionsToLevel) ?
series.mapOptionsToLevel :
{}
),
level = point && mapOptionsToLevel[point.node.level] || {},
options = this.options,
attr,
stateOptions = (state && options.states[state]) || {},
className = (point && point.getClassName()) || '',
opacity;
// Set attributes by precedence. Point trumps level trumps series.
// Stroke width uses pick because it can be 0.
attr = {
'stroke':
(point && point.borderColor) ||
level.borderColor ||
stateOptions.borderColor ||
options.borderColor,
'stroke-width': pick(
point && point.borderWidth,
level.borderWidth,
stateOptions.borderWidth,
options.borderWidth
),
'dashstyle':
(point && point.borderDashStyle) ||
level.borderDashStyle ||
stateOptions.borderDashStyle ||
options.borderDashStyle,
'fill': (point && point.color) || this.color
};
// Hide levels above the current view
if (className.indexOf('highcharts-above-level') !== -1) {
attr.fill = 'none';
attr['stroke-width'] = 0;
// Nodes with children that accept interaction
} else if (
className.indexOf('highcharts-internal-node-interactive') !== -1
) {
opacity = pick(stateOptions.opacity, options.opacity);
attr.fill = color(attr.fill).setOpacity(opacity).get();
attr.cursor = 'pointer';
// Hide nodes that have children
} else if (className.indexOf('highcharts-internal-node') !== -1) {
attr.fill = 'none';
} else if (state) {
// Brighten and hoist the hover nodes
attr.fill = color(attr.fill)
.brighten(stateOptions.brightness)
.get();
}
return attr;
},
/**
* Extending ColumnSeries drawPoints
*/
drawPoints: function () {
var series = this,
points = grep(series.points, function (n) {
return n.node.visible;
});
each(points, function (point) {
var groupKey = 'level-group-' + point.node.levelDynamic;
if (!series[groupKey]) {
series[groupKey] = series.chart.renderer.g(groupKey)
.attr({
// @todo Set the zIndex based upon the number of levels,
// instead of using 1000
zIndex: 1000 - point.node.levelDynamic
})
.add(series.group);
}
point.group = series[groupKey];
});
// Call standard drawPoints
seriesTypes.column.prototype.drawPoints.call(this);
// If drillToNode is allowed, set a point cursor on clickables & add
// drillId to point
if (series.options.allowDrillToNode) {
each(points, function (point) {
if (point.graphic) {
point.drillId = series.options.interactByLeaf ?
series.drillToByLeaf(point) :
series.drillToByGroup(point);
}
});
}
},
/**
* Add drilling on the suitable points
*/
onClickDrillToNode: function (event) {
var series = this,
point = event.point,
drillId = point && point.drillId;
// If a drill id is returned, add click event and cursor.
if (isString(drillId)) {
point.setState(''); // Remove hover
series.drillToNode(drillId);
}
},
/**
* Finds the drill id for a parent node.
* Returns false if point should not have a click event
* @param {Object} point
* @return {String|Boolean} Drill to id or false when point should not have a
* click event
*/
drillToByGroup: function (point) {
var series = this,
drillId = false;
if (
(point.node.level - series.nodeMap[series.rootNode].level) === 1 &&
!point.node.isLeaf
) {
drillId = point.id;
}
return drillId;
},
/**
* Finds the drill id for a leaf node.
* Returns false if point should not have a click event
* @param {Object} point
* @return {String|Boolean} Drill to id or false when point should not have a
* click event
*/
drillToByLeaf: function (point) {
var series = this,
drillId = false,
nodeParent;
if ((point.node.parent !== series.rootNode) && (point.node.isLeaf)) {
nodeParent = point.node;
while (!drillId) {
nodeParent = series.nodeMap[nodeParent.parent];
if (nodeParent.parent === series.rootNode) {
drillId = nodeParent.id;
}
}
}
return drillId;
},
drillUp: function () {
var series = this,
node = series.nodeMap[series.rootNode];
if (node && isString(node.parent)) {
series.drillToNode(node.parent);
}
},
drillToNode: function (id, redraw) {
var series = this,
nodeMap = series.nodeMap,
node = nodeMap[id];
series.idPreviousRoot = series.rootNode;
series.rootNode = id;
if (id === '') {
series.drillUpButton = series.drillUpButton.destroy();
} else {
series.showDrillUpButton((node && node.name || id));
}
this.isDirty = true; // Force redraw
if (pick(redraw, true)) {
this.chart.redraw();
}
},
showDrillUpButton: function (name) {
var series = this,
backText = (name || '< Back'),
buttonOptions = series.options.drillUpButton,
attr,
states;
if (buttonOptions.text) {
backText = buttonOptions.text;
}
if (!this.drillUpButton) {
attr = buttonOptions.theme;
states = attr && attr.states;
this.drillUpButton = this.chart.renderer.button(
backText,
null,
null,
function () {
series.drillUp();
},
attr,
states && states.hover,
states && states.select
)
.addClass('highcharts-drillup-button')
.attr({
align: buttonOptions.position.align,
zIndex: 7
})
.add()
.align(
buttonOptions.position,
false,
buttonOptions.relativeTo || 'plotBox'
);
} else {
this.drillUpButton.placed = false;
this.drillUpButton.attr({
text: backText
})
.align();
}
},
buildKDTree: noop,
drawLegendSymbol: H.LegendSymbolMixin.drawRectangle,
getExtremes: function () {
// Get the extremes from the value data
Series.prototype.getExtremes.call(this, this.colorValueData);
this.valueMin = this.dataMin;
this.valueMax = this.dataMax;
// Get the extremes from the y data
Series.prototype.getExtremes.call(this);
},
getExtremesFromAll: true,
bindAxes: function () {
var treeAxis = {
endOnTick: false,
gridLineWidth: 0,
lineWidth: 0,
min: 0,
dataMin: 0,
minPadding: 0,
max: 100,
dataMax: 100,
maxPadding: 0,
startOnTick: false,
title: null,
tickPositions: []
};
Series.prototype.bindAxes.call(this);
H.extend(this.yAxis.options, treeAxis);
H.extend(this.xAxis.options, treeAxis);
},
utils: {
recursive: recursive,
reduce: reduce
}
// Point class
}, {
getClassName: function () {
var className = H.Point.prototype.getClassName.call(this),
series = this.series,
options = series.options;
// Above the current level
if (this.node.level <= series.nodeMap[series.rootNode].level) {
className += ' highcharts-above-level';
} else if (
!this.node.isLeaf &&
!pick(options.interactByLeaf, !options.allowDrillToNode)
) {
className += ' highcharts-internal-node-interactive';
} else if (!this.node.isLeaf) {
className += ' highcharts-internal-node';
}
return className;
},
/**
* A tree point is valid if it has han id too, assume it may be a parent
* item.
*/
isValid: function () {
return this.id || isNumber(this.value);
},
setState: function (state) {
H.Point.prototype.setState.call(this, state);
// Graphic does not exist when point is not visible.
if (this.graphic) {
this.graphic.attr({
zIndex: state === 'hover' ? 1 : 0
});
}
},
setVisible: seriesTypes.pie.prototype.pointClass.prototype.setVisible
});
/**
* A `treemap` series. If the [type](#series.treemap.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @type {Object}
* @extends series,plotOptions.treemap
* @excluding dataParser,dataURL,stack
* @product highcharts
* @apioption series.treemap
*/
/**
* An array of data points for the series. For the `treemap` series
* type, points can be given in the following ways:
*
* 1. An array of numerical values. In this case, the numerical values
* will be interpreted as `value` options. Example:
*
* ```js
* data: [0, 5, 3, 5]
* ```
*
* 2. An array of objects with named values. The objects are point
* configuration objects as seen below. If the total number of data
* points exceeds the series' [turboThreshold](#series.treemap.turboThreshold),
* this option is not available.
*
* ```js
* data: [{
* value: 9,
* name: "Point2",
* color: "#00FF00"
* }, {
* value: 6,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @type {Array<Object|Number>}
* @extends series.heatmap.data
* @excluding x,y
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-arrays/
* Arrays of numeric x and y
* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
* Arrays of datetime x and y
* @sample {highcharts} highcharts/series/data-array-of-name-value/
* Arrays of point.name and y
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
* @product highcharts
* @apioption series.treemap.data
*/
/**
* The value of the point, resulting in a relative area of the point
* in the treemap.
*
* @type {Number}
* @product highcharts
* @apioption series.treemap.data.value
*/
/**
* Serves a purpose only if a `colorAxis` object is defined in the chart
* options. This value will decide which color the point gets from the
* scale of the colorAxis.
*
* @type {Number}
* @default undefined
* @since 4.1.0
* @product highcharts
* @apioption series.treemap.data.colorValue
*/
/**
* Only for treemap. Use this option to build a tree structure. The
* value should be the id of the point which is the parent. If no points
* has a matching id, or this option is undefined, then the parent will
* be set to the root.
*
* @type {String}
* @sample {highcharts} highcharts/point/parent/ Point parent
* @sample {highcharts} highcharts/demo/treemap-with-levels/ Example where parent id is not matching
* @default undefined
* @since 4.1.0
* @product highcharts
* @apioption series.treemap.data.parent
*/
}(Highcharts, result));
(function (H, drawPoint, mixinTreeSeries) {
/**
* (c) 2016 Highsoft AS
* Authors: Jon Arild Nygard
*
* License: www.highcharts.com/license
*
* This module implements sunburst charts in Highcharts.
*/
var CenteredSeriesMixin = H.CenteredSeriesMixin,
Series = H.Series,
each = H.each,
extend = H.extend,
getCenter = CenteredSeriesMixin.getCenter,
getColor = mixinTreeSeries.getColor,
getLevelOptions = mixinTreeSeries.getLevelOptions,
getStartAndEndRadians = CenteredSeriesMixin.getStartAndEndRadians,
grep = H.grep,
inArray = H.inArray,
isBoolean = function (x) {
return typeof x === 'boolean';
},
isNumber = H.isNumber,
isObject = H.isObject,
isString = H.isString,
keys = H.keys,
merge = H.merge,
noop = H.noop,
rad2deg = 180 / Math.PI,
seriesType = H.seriesType,
seriesTypes = H.seriesTypes,
setTreeValues = mixinTreeSeries.setTreeValues,
reduce = H.reduce,
updateRootId = mixinTreeSeries.updateRootId;
// TODO introduce step, which should default to 1.
var range = function range(from, to) {
var result = [],
i;
if (isNumber(from) && isNumber(to) && from <= to) {
for (i = from; i <= to; i++) {
result.push(i);
}
}
return result;
};
/**
* @param {Object} levelOptions Map of level to its options.
* @param {Object} params Object containing parameters.
* @param {Number} params.innerRadius
* @param {Number} params.outerRadius
* @
*/
var calculateLevelSizes = function calculateLevelSizes(levelOptions, params) {
var result,
p = isObject(params) ? params : {},
totalWeight = 0,
diffRadius,
levels,
levelsNotIncluded,
remainingSize,
from,
to;
if (isObject(levelOptions)) {
result = merge({}, levelOptions); // Copy levelOptions
from = isNumber(p.from) ? p.from : 0;
to = isNumber(p.to) ? p.to : 0;
levels = range(from, to);
levelsNotIncluded = grep(keys(result), function (k) {
return inArray(+k, levels) === -1;
});
diffRadius = remainingSize = isNumber(p.diffRadius) ? p.diffRadius : 0;
/**
* Convert percentage to pixels.
* Calculate the remaining size to divide between "weight" levels.
* Calculate total weight to use in convertion from weight to pixels.
*/
each(levels, function (level) {
var options = result[level],
unit = options.levelSize.unit,
value = options.levelSize.value;
if (unit === 'weight') {
totalWeight += value;
} else if (unit === 'percentage') {
options.levelSize = {
unit: 'pixels',
value: (value / 100) * diffRadius
};
remainingSize -= options.levelSize.value;
} else if (unit === 'pixels') {
remainingSize -= value;
}
});
// Convert weight to pixels.
each(levels, function (level) {
var options = result[level],
weight;
if (options.levelSize.unit === 'weight') {
weight = options.levelSize.value;
result[level].levelSize = {
unit: 'pixels',
value: (weight / totalWeight) * remainingSize
};
}
});
// Set all levels not included in interval [from,to] to have 0 pixels.
each(levelsNotIncluded, function (level) {
result[level].levelSize = {
value: 0,
unit: 'pixels'
};
});
}
return result;
};
/**
* getEndPoint - Find a set of coordinates given a start coordinates, an angle,
* and a distance.
*
* @param {number} x Start coordinate x
* @param {number} y Start coordinate y
* @param {number} angle Angle in radians
* @param {number} distance Distance from start to end coordinates
* @return {object} Returns the end coordinates, x and y.
*/
var getEndPoint = function getEndPoint(x, y, angle, distance) {
return {
x: x + (Math.cos(angle) * distance),
y: y + (Math.sin(angle) * distance)
};
};
var layoutAlgorithm = function layoutAlgorithm(parent, children, options) {
var startAngle = parent.start,
range = parent.end - startAngle,
total = parent.val,
x = parent.x,
y = parent.y,
radius = (
isObject(options.levelSize) && isNumber(options.levelSize.value) ?
options.levelSize.value :
0
),
innerRadius = parent.r,
outerRadius = innerRadius + radius,
slicedOffset = isNumber(options.slicedOffset) ?
options.slicedOffset :
0;
return reduce(children || [], function (arr, child) {
var percentage = (1 / total) * child.val,
radians = percentage * range,
radiansCenter = startAngle + (radians / 2),
offsetPosition = getEndPoint(x, y, radiansCenter, slicedOffset),
values = {
x: child.sliced ? offsetPosition.x : x,
y: child.sliced ? offsetPosition.y : y,
innerR: innerRadius,
r: outerRadius,
radius: radius,
start: startAngle,
end: startAngle + radians
};
arr.push(values);
startAngle = values.end;
return arr;
}, []);
};
var getDlOptions = function getDlOptions(params) {
// Set options to new object to avoid problems with scope
var shape = isObject(params.shapeArgs) ? params.shapeArgs : {},
optionsPoint = (
isObject(params.optionsPoint) ?
params.optionsPoint.dataLabels :
{}
),
optionsLevel = (
isObject(params.level) ?
params.level.dataLabels :
{}
),
options = merge({
rotationMode: 'perpendicular',
style: {
width: shape.radius
}
}, optionsLevel, optionsPoint),
rotationRad,
rotation;
if (!isNumber(options.rotation)) {
rotationRad = (shape.end - (shape.end - shape.start) / 2);
rotation = (rotationRad * rad2deg) % 180;
if (options.rotationMode === 'parallel') {
rotation -= 90;
}
// Data labels should not rotate beyond 90 degrees, for readability.
if (rotation > 90) {
rotation -= 180;
}
options.rotation = rotation;
}
// NOTE: alignDataLabel positions the data label differntly when rotation is
// 0. Avoiding this by setting rotation to a small number.
if (options.rotation === 0) {
options.rotation = 0.001;
}
return options;
};
var getAnimation = function getAnimation(shape, params) {
var point = params.point,
radians = params.radians,
innerR = params.innerR,
idRoot = params.idRoot,
idPreviousRoot = params.idPreviousRoot,
shapeExisting = params.shapeExisting,
shapeRoot = params.shapeRoot,
shapePreviousRoot = params.shapePreviousRoot,
visible = params.visible,
from = {},
to = {
end: shape.end,
start: shape.start,
innerR: shape.innerR,
r: shape.r,
x: shape.x,
y: shape.y
};
if (visible) {
// Animate points in
if (!point.graphic && shapePreviousRoot) {
if (idRoot === point.id) {
from = {
start: radians.start,
end: radians.end
};
} else {
from = (shapePreviousRoot.end <= shape.start) ? {
start: radians.end,
end: radians.end
} : {
start: radians.start,
end: radians.start
};
}
// Animate from center and outwards.
from.innerR = from.r = innerR;
}
} else {
// Animate points out
if (point.graphic) {
if (idPreviousRoot === point.id) {
to = {
innerR: innerR,
r: innerR
};
} else if (shapeRoot) {
to = (shapeRoot.end <= shapeExisting.start) ?
{
innerR: innerR,
r: innerR,
start: radians.end,
end: radians.end
} : {
innerR: innerR,
r: innerR,
start: radians.start,
end: radians.start
};
}
}
}
return {
from: from,
to: to
};
};
var getDrillId = function getDrillId(point, idRoot, mapIdToNode) {
var drillId,
node = point.node,
nodeRoot;
if (!node.isLeaf) {
// When it is the root node, the drillId should be set to parent.
if (idRoot === point.id) {
nodeRoot = mapIdToNode[idRoot];
drillId = nodeRoot.parent;
} else {
drillId = point.id;
}
}
return drillId;
};
var cbSetTreeValuesBefore = function before(node, options) {
var mapIdToNode = options.mapIdToNode,
nodeParent = mapIdToNode[node.parent],
series = options.series,
chart = series.chart,
points = series.points,
point = points[node.i],
colorInfo = getColor(node, {
colors: chart && chart.options && chart.options.colors,
colorIndex: series.colorIndex,
index: options.index,
mapOptionsToLevel: options.mapOptionsToLevel,
parentColor: nodeParent && nodeParent.color,
parentColorIndex: nodeParent && nodeParent.colorIndex,
series: options.series,
siblings: options.siblings
});
node.color = colorInfo.color;
node.colorIndex = colorInfo.colorIndex;
if (point) {
point.color = node.color;
point.colorIndex = node.colorIndex;
// Set slicing on node, but avoid slicing the top node.
node.sliced = (node.id !== options.idRoot) ? point.sliced : false;
}
return node;
};
/**
* A Sunburst displays hierarchical data, where a level in the hierarchy is
* represented by a circle. The center represents the root node of the tree.
* The visualization bears a resemblance to both treemap and pie charts.
*
* @extends {plotOptions.pie}
* @sample highcharts/demo/sunburst Sunburst chart
* @excluding allAreas, clip, colorAxis, compare, compareBase,
* dataGrouping, depth, endAngle, gapSize, gapUnit,
* ignoreHiddenPoint, innerSize, joinBy, legendType, linecap,
* minSize, navigatorOptions, pointRange
* @product highcharts
* @optionparent plotOptions.sunburst
*/
var sunburstOptions = {
/**
* Set options on specific levels. Takes precedence over series options,
* but not point options.
*
* @type {Array<Object>}
* @sample highcharts/demo/sunburst Sunburst chart
* @apioption plotOptions.sunburst.levels
*/
/**
* Can set a `borderColor` on all points which lies on the same level.
*
* @type {Color}
* @apioption plotOptions.sunburst.levels.borderColor
*/
/**
* Can set a `borderWidth` on all points which lies on the same level.
*
* @type {Number}
* @apioption plotOptions.sunburst.levels.borderWidth
*/
/**
* Can set a `borderDashStyle` on all points which lies on the same level.
*
* @type {String}
* @apioption plotOptions.sunburst.levels.borderDashStyle
*/
/**
* Can set a `color` on all points which lies on the same level.
*
* @type {Color}
* @apioption plotOptions.sunburst.levels.color
*/
/**
* Can set a `colorVariation` on all points which lies on the same level.
*
* @type {Object}
* @apioption plotOptions.sunburst.levels.colorVariation
*/
/**
* The key of a color variation. Currently supports `brightness` only.
*
* @type {String}
* @apioption plotOptions.sunburst.levels.colorVariation.key
*/
/**
* The ending value of a color variation. The last sibling will receive this
* value.
*
* @type {Number}
* @apioption plotOptions.sunburst.levels.colorVariation.to
*/
/**
* Can set a `dataLabels` on all points which lies on the same level.
*
* @type {Object}
* @apioption plotOptions.sunburst.levels.dataLabels
*/
/**
* Can set a `levelSize` on all points which lies on the same level.
*
* @type {Object}
* @apioption plotOptions.sunburst.levels.levelSize
*/
/**
* Can set a `rotation` on all points which lies on the same level.
*
* @type {Number}
* @apioption plotOptions.sunburst.levels.rotation
*/
/**
* Can set a `rotationMode` on all points which lies on the same level.
*
* @type {String}
* @apioption plotOptions.sunburst.levels.rotationMode
*/
/**
* When enabled the user can click on a point which is a parent and
* zoom in on its children.
*
* @sample highcharts/demo/sunburst
* Allow drill to node
* @type {Boolean}
* @default false
* @apioption plotOptions.sunburst.allowDrillToNode
*/
/**
* The center of the sunburst chart relative to the plot area. Can be
* percentages or pixel values.
*
* @type {Array<String|Number>}
* @sample {highcharts} highcharts/plotoptions/pie-center/
* Centered at 100, 100
* @product highcharts
*/
center: ['50%', '50%'],
colorByPoint: false,
/**
* @extends plotOptions.series.dataLabels
* @excluding align,allowOverlap,staggerLines,step
*/
dataLabels: {
defer: true,
style: {
textOverflow: 'ellipsis'
},
/**
* Decides how the data label will be rotated according to the perimeter
* of the sunburst. It can either be parallel or perpendicular to the
* perimeter.
* `series.rotation` takes precedence over `rotationMode`.
* @since 6.0.0
* @validvalue ["perpendicular", "parallel"]
*/
rotationMode: 'perpendicular'
},
/**
* Which point to use as a root in the visualization.
*
* @type {String|undefined}
* @default undefined
*/
rootId: undefined,
/**
* Used together with the levels and `allowDrillToNode` options. When
* set to false the first level visible when drilling is considered
* to be level one. Otherwise the level will be the same as the tree
* structure.
*/
levelIsConstant: true,
/**
* Determines the width of the ring per level.
* @since 6.0.5
* @sample {highcharts} highcharts/plotoptions/sunburst-levelsize/
* Sunburst with various sizes per level
*/
levelSize: {
/**
* The value used for calculating the width of the ring. Its' affect is
* determined by `levelSize.unit`.
* @sample {highcharts} highcharts/plotoptions/sunburst-levelsize/
* Sunburst with various sizes per level
*/
value: 1,
/**
* How to interpret `levelSize.value`.
* `percentage` gives a width relative to result of outer radius minus
* inner radius.
* `pixels` gives the ring a fixed width in pixels.
* `weight` takes the remaining width after percentage and pixels, and
* distributes it accross all "weighted" levels. The value relative to
* the sum of all weights determines the width.
* @validvalue ["percentage", "pixels", "weight"]
* @sample {highcharts} highcharts/plotoptions/sunburst-levelsize/
* Sunburst with various sizes per level
*/
unit: 'weight'
},
/**
* If a point is sliced, moved out from the center, how many pixels
* should it be moved?.
*
* @since 6.0.4
* @sample highcharts/plotoptions/sunburst-sliced Sliced sunburst
*/
slicedOffset: 10
};
/**
* Properties of the Sunburst series.
*/
var sunburstSeries = {
drawDataLabels: noop, // drawDataLabels is called in drawPoints
drawPoints: function drawPoints() {
var series = this,
mapOptionsToLevel = series.mapOptionsToLevel,
shapeRoot = series.shapeRoot,
group = series.group,
hasRendered = series.hasRendered,
idRoot = series.rootId,
idPreviousRoot = series.idPreviousRoot,
nodeMap = series.nodeMap,
nodePreviousRoot = nodeMap[idPreviousRoot],
shapePreviousRoot = nodePreviousRoot && nodePreviousRoot.shapeArgs,
points = series.points,
radians = series.startAndEndRadians,
chart = series.chart,
optionsChart = chart && chart.options && chart.options.chart || {},
animation = (
isBoolean(optionsChart.animation) ?
optionsChart.animation :
true
),
positions = series.center,
center = {
x: positions[0],
y: positions[1]
},
innerR = positions[3] / 2,
renderer = series.chart.renderer,
animateLabels,
animateLabelsCalled = false,
addedHack = false,
hackDataLabelAnimation = !!(
animation &&
hasRendered &&
idRoot !== idPreviousRoot &&
series.dataLabelsGroup
);
if (hackDataLabelAnimation) {
series.dataLabelsGroup.attr({ opacity: 0 });
animateLabels = function () {
var s = series;
animateLabelsCalled = true;
if (s.dataLabelsGroup) {
s.dataLabelsGroup.animate({
opacity: 1,
visibility: 'visible'
});
}
};
}
each(points, function (point) {
var node = point.node,
level = mapOptionsToLevel[node.level],
shapeExisting = point.shapeExisting || {},
shape = node.shapeArgs || {},
animationInfo,
onComplete,
visible = !!(node.visible && node.shapeArgs);
if (hasRendered && animation) {
animationInfo = getAnimation(shape, {
center: center,
point: point,
radians: radians,
innerR: innerR,
idRoot: idRoot,
idPreviousRoot: idPreviousRoot,
shapeExisting: shapeExisting,
shapeRoot: shapeRoot,
shapePreviousRoot: shapePreviousRoot,
visible: visible
});
} else {
// When animation is disabled, attr is called from animation.
animationInfo = {
to: shape,
from: {}
};
}
extend(point, {
shapeExisting: shape, // Store for use in animation
tooltipPos: [shape.plotX, shape.plotY],
drillId: getDrillId(point, idRoot, nodeMap),
name: '' + (point.name || point.id || point.index),
plotX: shape.plotX, // used for data label position
plotY: shape.plotY, // used for data label position
value: node.val,
isNull: !visible // used for dataLabels & point.draw
});
point.dlOptions = getDlOptions({
level: level,
optionsPoint: point.options,
shapeArgs: shape
});
if (!addedHack && visible) {
addedHack = true;
onComplete = animateLabels;
}
point.draw({
animate: animationInfo.to,
attr: extend(
animationInfo.from,
series.pointAttribs && series.pointAttribs(
point,
point.selected && 'select'
)
),
onComplete: onComplete,
group: group,
renderer: renderer,
shapeType: 'arc',
shapeArgs: shape
});
});
// Draw data labels after points
// TODO draw labels one by one to avoid addtional looping
if (hackDataLabelAnimation && addedHack) {
series.hasRendered = false;
series.options.dataLabels.defer = true;
Series.prototype.drawDataLabels.call(series);
series.hasRendered = true;
// If animateLabels is called before labels were hidden, then call
// it again.
if (animateLabelsCalled) {
animateLabels();
}
} else {
Series.prototype.drawDataLabels.call(series);
}
},
pointAttribs: seriesTypes.column.prototype.pointAttribs,
/*
* The layout algorithm for the levels
*/
layoutAlgorithm: layoutAlgorithm,
/*
* Set the shape arguments on the nodes. Recursive from root down.
*/
setShapeArgs: function (parent, parentValues, mapOptionsToLevel) {
var childrenValues = [],
level = parent.level + 1,
options = mapOptionsToLevel[level],
// Collect all children which should be included
children = grep(parent.children, function (n) {
return n.visible;
}),
twoPi = 6.28; // Two times Pi.
childrenValues = this.layoutAlgorithm(parentValues, children, options);
each(children, function (child, index) {
var values = childrenValues[index],
angle = values.start + ((values.end - values.start) / 2),
radius = values.innerR + ((values.r - values.innerR) / 2),
radians = (values.end - values.start),
isCircle = (values.innerR === 0 && radians > twoPi),
center = (
isCircle ?
{ x: values.x, y: values.y } :
getEndPoint(values.x, values.y, angle, radius)
),
val = (
child.val ?
(
child.childrenTotal > child.val ?
child.childrenTotal :
child.val
) :
child.childrenTotal
);
// The inner arc length is a convenience for data label filters.
if (this.points[child.i]) {
this.points[child.i].innerArcLength = radians * values.innerR;
this.points[child.i].outerArcLength = radians * values.r;
}
child.shapeArgs = merge(values, {
plotX: center.x,
plotY: center.y
});
child.values = merge(values, {
val: val
});
// If node has children, then call method recursively
if (child.children.length) {
this.setShapeArgs(child, child.values, mapOptionsToLevel);
}
}, this);
},
translate: function translate() {
var series = this,
options = series.options,
positions = series.center = getCenter.call(series),
radians = series.startAndEndRadians = getStartAndEndRadians(
options.startAngle,
options.endAngle
),
innerRadius = positions[3] / 2,
outerRadius = positions[2] / 2,
diffRadius = outerRadius - innerRadius,
// NOTE: updateRootId modifies series.
rootId = updateRootId(series),
mapIdToNode = series.nodeMap,
mapOptionsToLevel,
idTop,
nodeRoot = mapIdToNode && mapIdToNode[rootId],
nodeTop,
tree,
values;
series.shapeRoot = nodeRoot && nodeRoot.shapeArgs;
// Call prototype function
Series.prototype.translate.call(series);
// @todo Only if series.isDirtyData is true
tree = series.tree = series.getTree();
mapIdToNode = series.nodeMap;
nodeRoot = mapIdToNode[rootId];
idTop = isString(nodeRoot.parent) ? nodeRoot.parent : '';
nodeTop = mapIdToNode[idTop];
mapOptionsToLevel = getLevelOptions({
from: nodeRoot.level > 0 ? nodeRoot.level : 1,
levels: series.options.levels,
to: tree.height,
defaults: {
colorByPoint: options.colorByPoint,
dataLabels: options.dataLabels,
levelIsConstant: options.levelIsConstant,
levelSize: options.levelSize,
slicedOffset: options.slicedOffset
}
});
// NOTE consider doing calculateLevelSizes in a callback to
// getLevelOptions
mapOptionsToLevel = calculateLevelSizes(mapOptionsToLevel, {
diffRadius: diffRadius,
from: nodeRoot.level > 0 ? nodeRoot.level : 1,
to: tree.height
});
// TODO Try to combine setTreeValues & setColorRecursive to avoid
// unnecessary looping.
setTreeValues(tree, {
before: cbSetTreeValuesBefore,
idRoot: rootId,
levelIsConstant: options.levelIsConstant,
mapOptionsToLevel: mapOptionsToLevel,
mapIdToNode: mapIdToNode,
points: series.points,
series: series
});
values = mapIdToNode[''].shapeArgs = {
end: radians.end,
r: innerRadius,
start: radians.start,
val: nodeRoot.val,
x: positions[0],
y: positions[1]
};
this.setShapeArgs(nodeTop, values, mapOptionsToLevel);
// Set mapOptionsToLevel on series for use in drawPoints.
series.mapOptionsToLevel = mapOptionsToLevel;
},
/**
* Animate the slices in. Similar to the animation of polar charts.
*/
animate: function (init) {
var chart = this.chart,
center = [
chart.plotWidth / 2,
chart.plotHeight / 2
],
plotLeft = chart.plotLeft,
plotTop = chart.plotTop,
attribs,
group = this.group;
// Initialize the animation
if (init) {
// Scale down the group and place it in the center
attribs = {
translateX: center[0] + plotLeft,
translateY: center[1] + plotTop,
scaleX: 0.001, // #1499
scaleY: 0.001,
rotation: 10,
opacity: 0.01
};
group.attr(attribs);
// Run the animation
} else {
attribs = {
translateX: plotLeft,
translateY: plotTop,
scaleX: 1,
scaleY: 1,
rotation: 0,
opacity: 1
};
group.animate(attribs, this.options.animation);
// Delete this function to allow it only once
this.animate = null;
}
},
utils: {
calculateLevelSizes: calculateLevelSizes,
range: range
}
};
/**
* Properties of the Sunburst series.
*/
var sunburstPoint = {
draw: drawPoint,
shouldDraw: function shouldDraw() {
var point = this;
return !point.isNull;
}
};
/**
* A `sunburst` series. If the [type](#series.sunburst.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @type {Object}
* @extends series,plotOptions.sunburst
* @excluding dataParser,dataURL,stack
* @product highcharts
* @apioption series.sunburst
*/
/**
* @type {Array<Object|Number>}
* @extends series.treemap.data
* @excluding x,y
* @product highcharts
* @apioption series.sunburst.data
*/
/**
* The value of the point, resulting in a relative area of the point
* in the sunburst.
*
* @type {Number}
* @default undefined
* @since 6.0.0
* @product highcharts
* @apioption series.sunburst.data.value
*/
/**
* Use this option to build a tree structure. The value should be the id of the
* point which is the parent. If no points has a matching id, or this option is
* undefined, then the parent will be set to the root.
*
* @type {String|undefined}
* @default undefined
* @since 6.0.0
* @product highcharts
* @apioption series.treemap.data.parent
*/
/**
* Whether to display a slice offset from the center. When a sunburst point is
* sliced, its children are also offset.
*
* @type {Boolean}
* @default false
* @since 6.0.4
* @sample highcharts/plotoptions/sunburst-sliced Sliced sunburst
* @product highcharts
* @apioption series.sunburst.data.sliced
*/
seriesType(
'sunburst',
'treemap',
sunburstOptions,
sunburstSeries,
sunburstPoint
);
}(Highcharts, draw, result));
}));