/**
* @license Highstock JS v4.2.3 (2016-02-08)
*
* (c) 2014 Highsoft AS
* Authors: Jon Arild Nygard / Oystein Moseng
*
* License: www.highcharts.com/license
*/
(function (factory) {
if (typeof module === 'object' && module.exports) {
module.exports = factory;
} else {
factory(Highcharts);
}
}(function (H) {
var seriesTypes = H.seriesTypes,
map = H.map,
merge = H.merge,
extend = H.extend,
extendClass = H.extendClass,
defaultOptions = H.getOptions(),
plotOptions = defaultOptions.plotOptions,
noop = function () {
},
each = H.each,
grep = H.grep,
pick = H.pick,
Series = H.Series,
stableSort = H.stableSort,
Color = H.Color,
eachObject = function (list, func, context) {
var key;
context = context || this;
for (key in list) {
if (list.hasOwnProperty(key)) {
func.call(context, list[key], key, list);
}
}
},
reduce = function (arr, func, previous, context) {
context = context || this;
arr = arr || []; // @note should each be able to handle empty values automatically?
each(arr, function (current, i) {
previous = func.call(context, previous, current, i, arr);
});
return previous;
},
// @todo find correct name for this function.
recursive = function (item, func, context) {
var next;
context = context || this;
next = func.call(context, item);
if (next !== false) {
recursive(next, func, context);
}
};
// Define default options
plotOptions.treemap = merge(plotOptions.scatter, {
showInLegend: false,
marker: false,
borderColor: '#E0E0E0',
borderWidth: 1,
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.node.val}</b><br/>'
},
layoutAlgorithm: 'sliceAndDice',
layoutStartingDirection: 'vertical',
alternateStartingDirection: false,
levelIsConstant: true,
states: {
hover: {
borderColor: '#A0A0A0',
brightness: seriesTypes.heatmap ? 0 : 0.1,
shadow: false
}
},
drillUpButton: {
position: {
align: 'right',
x: -10,
y: 10
}
}
});
// Stolen from heatmap
var colorSeriesMixin = {
// mapping between SVG attributes and the corresponding options
pointAttrToOptions: {},
pointArrayMap: ['value'],
axisTypes: seriesTypes.heatmap ? ['xAxis', 'yAxis', 'colorAxis'] : ['xAxis', 'yAxis'],
optionalAxis: 'colorAxis',
getSymbol: noop,
parallelArrays: ['x', 'y', 'value', 'colorValue'],
colorKey: 'colorValue', // Point color option key
translateColors: seriesTypes.heatmap && seriesTypes.heatmap.prototype.translateColors
};
// The Treemap series type
seriesTypes.treemap = extendClass(seriesTypes.scatter, merge(colorSeriesMixin, {
type: 'treemap',
trackerGroups: ['group', 'dataLabelsGroup'],
pointClass: extendClass(H.Point, {
setVisible: seriesTypes.pie.prototype.pointClass.prototype.setVisible
}),
/**
* 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 tree,
series = this,
allIds = map(this.data, function (d) {
return d.id;
}),
parentList = series.getListOfParents(this.data, allIds);
series.nodeMap = [];
tree = series.buildNode('', -1, 0, parentList, null);
recursive(this.nodeMap[this.rootNode], function (node) {
var next = false,
p = node.parent;
node.visible = true;
if (p || p === '') {
next = series.nodeMap[p];
}
return next;
});
recursive(this.nodeMap[this.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;
});
this.setTreeValues(tree);
return tree;
},
init: function (chart, options) {
var series = this;
Series.prototype.init.call(series, chart, options);
if (series.options.allowDrillToNode) {
series.drillTo();
}
},
buildNode: function (id, i, level, list, parent) {
var series = this,
children = [],
point = series.points[i],
node,
child;
// Actions
each((list[id] || []), function (i) {
child = series.buildNode(series.points[i].id, i, (level + 1), list, id);
children.push(child);
});
node = {
id: id,
i: i,
children: children,
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,
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;
} else {
// @todo Add predicate to avoid looping already ignored children
recursive(child.children, function (children) {
var next = false;
each(children, function (node) {
extend(node, {
ignore: true,
isLeaf: false,
visible: false
});
if (node.children.length) {
next = (next || []).concat(node.children);
}
});
return next;
});
}
});
// Sort the children
stableSort(children, function (a, b) {
return a.sortIndex - b.sortIndex;
});
// Set the values
val = pick(point && point.value, childrenTotal);
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: (options.levelIsConstant ? tree.level : (tree.level - series.nodeMap[series.rootNode].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,
level = this.levelMap[parent.levelDynamic + 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;
// Points which is ignored, have no values.
if (values) {
x1 = Math.round(xAxis.translate(values.x, 0, 0, 0, 1));
x2 = Math.round(xAxis.translate(values.x + values.width, 0, 0, 0, 1));
y1 = Math.round(yAxis.translate(values.y, 0, 0, 0, 1));
y2 = Math.round(yAxis.translate(values.y + values.height, 0, 0, 0, 1));
// 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;
}
});
},
setColorRecursive: function (node, color) {
var series = this,
point,
level;
if (node) {
point = series.points[node.i];
level = series.levelMap[node.levelDynamic];
// Select either point color, level color or inherited color.
color = pick(point && point.options.color, level && level.color, color);
if (point) {
point.color = color;
}
// Do it all again with the children
if (node.children.length) {
each(node.children, function (child) {
series.setColorRecursive(child, color);
});
}
}
},
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(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 pointValues,
seriesArea,
tree,
val;
// Call prototype function
Series.prototype.translate.call(this);
// Assign variables
this.rootNode = pick(this.options.rootId, '');
// Create a object map from level to options
this.levelMap = reduce(this.options.levels, function (arr, item) {
arr[item.level] = item;
return arr;
}, {});
tree = this.tree = this.getTree(); // @todo Only if series.isDirtyData is true
// Calculate plotting values.
this.axisRatio = (this.xAxis.len / this.yAxis.len);
this.nodeMap[''].pointValues = pointValues = { x: 0, y: 0, width: 100, height: 100 };
this.nodeMap[''].values = seriesArea = merge(pointValues, {
width: (pointValues.width * this.axisRatio),
direction: (this.options.layoutStartingDirection === 'vertical' ? 0 : 1),
val: tree.val
});
this.calculateChildrenAreas(tree, seriesArea);
// Logic for point colors
if (this.colorAxis) {
this.translateColors();
} else if (!this.options.colorByPoint) {
this.setColorRecursive(this.tree, undefined);
}
// Update axis extremes according to the root node.
val = this.nodeMap[this.rootNode].pointValues;
this.xAxis.setExtremes(val.x, val.x + val.width, false);
this.yAxis.setExtremes(val.y, val.y + val.height, false);
this.xAxis.setScale();
this.yAxis.setScale();
// Assign values to points.
this.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,
points = grep(series.points, function (n) {
return n.node.visible;
}),
options,
level;
each(points, function (point) {
level = series.levelMap[point.node.levelDynamic];
// 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;
}
// Merge custom options with point options
point.dlOptions = merge(options, point.options.dataLabels);
});
Series.prototype.drawDataLabels.call(this);
},
alignDataLabel: seriesTypes.column.prototype.alignDataLabel,
/**
* Get presentational attributes
*/
pointAttribs: function (point, state) {
var level = this.levelMap[point.node.levelDynamic] || {},
options = this.options,
attr,
stateOptions = (state && options.states[state]) || {};
// Set attributes by precedence. Point trumps level trumps series. Stroke width uses pick
// because it can be 0.
attr = {
'stroke': point.borderColor || level.borderColor || stateOptions.borderColor || options.borderColor,
'stroke-width': pick(point.borderWidth, level.borderWidth, stateOptions.borderWidth, options.borderWidth),
'dashstyle': point.borderDashStyle || level.borderDashStyle || stateOptions.borderDashStyle || options.borderDashStyle,
'fill': point.color || this.color,
'zIndex': state === 'hover' ? 1 : 0
};
if (point.node.level <= this.nodeMap[this.rootNode].level) {
// Hide levels above the current view
attr.fill = 'none';
attr['stroke-width'] = 0;
} else if (!point.node.isLeaf) {
// If not a leaf, then remove fill
// @todo let users set the opacity
attr.fill = pick(options.interactByLeaf, !options.allowDrillToNode) ? 'none' : Color(attr.fill).setOpacity(state === 'hover' ? 0.75 : 0.15).get();
} 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 = 'levelGroup-' + point.node.levelDynamic;
if (!series[groupKey]) {
series[groupKey] = series.chart.renderer.g(groupKey)
.attr({
zIndex: 1000 - point.node.levelDynamic // @todo Set the zIndex based upon the number of levels, instead of using 1000
})
.add(series.group);
}
point.group = series[groupKey];
// Preliminary code in prepraration for HC5 that uses pointAttribs for all series
point.pointAttr = {
'': series.pointAttribs(point),
'hover': series.pointAttribs(point, 'hover'),
'select': {}
};
});
// 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) {
var cursor,
drillId;
if (point.graphic) {
drillId = point.drillId = series.options.interactByLeaf ? series.drillToByLeaf(point) : series.drillToByGroup(point);
cursor = drillId ? 'pointer' : 'default';
point.graphic.css({ cursor: cursor });
}
});
}
},
/**
* Add drilling on the suitable points
*/
drillTo: function () {
var series = this;
H.addEvent(series, 'click', function (event) {
var point = event.point,
drillId = point.drillId,
drillName;
// If a drill id is returned, add click event and cursor.
if (drillId) {
drillName = series.nodeMap[series.rootNode].name || series.rootNode;
point.setState(''); // Remove hover
series.drillToNode(drillId);
series.showDrillUpButton(drillName);
}
});
},
/**
* 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 drillPoint = null,
node,
parent;
if (this.rootNode) {
node = this.nodeMap[this.rootNode];
if (node.parent !== null) {
drillPoint = this.nodeMap[node.parent];
} else {
drillPoint = this.nodeMap[''];
}
}
if (drillPoint !== null) {
this.drillToNode(drillPoint.id);
if (drillPoint.id === '') {
this.drillUpButton = this.drillUpButton.destroy();
} else {
parent = this.nodeMap[drillPoint.parent];
this.showDrillUpButton((parent.name || parent.id));
}
}
},
drillToNode: function (id) {
this.options.rootId = id;
this.isDirty = true; // Force redraw
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
)
.attr({
align: buttonOptions.position.align,
zIndex: 9
})
.add()
.align(buttonOptions.position, false, buttonOptions.relativeTo || 'plotBox');
} else {
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);
}
}));
}));
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