/* * * (c) 2014-2019 Highsoft AS * * Authors: Jon Arild Nygard / Oystein Moseng * * License: www.highcharts.com/license */ 'use strict'; import H from '../parts/Globals.js'; import mixinTreeSeries from '../mixins/tree-series.js'; import '../parts/Utilities.js'; import '../parts/Options.js'; import '../parts/Series.js'; import '../parts/Color.js'; var seriesType = H.seriesType, seriesTypes = H.seriesTypes, addEvent = H.addEvent, merge = H.merge, extend = H.extend, error = H.error, defined = H.defined, noop = H.noop, fireEvent = H.fireEvent, getColor = mixinTreeSeries.getColor, getLevelOptions = mixinTreeSeries.getLevelOptions, isArray = H.isArray, 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); }); }, // @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; /** * @private * @class * @name Highcharts.seriesTypes.treemap * * @augments Highcharts.Series */ seriesType( 'treemap', 'scatter' /** * 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, jitter * @product highcharts * @optionparent plotOptions.treemap */ , { /** * When enabled the user can click on a point which is a parent and * zoom in on its children. Deprecated and replaced by * [allowTraversingTree](#plotOptions.treemap.allowTraversingTree). * * @sample {highcharts} highcharts/plotoptions/treemap-allowdrilltonode/ * Enabled * * @deprecated * @type {boolean} * @default false * @since 4.1.0 * @product highcharts * @apioption plotOptions.treemap.allowDrillToNode */ /** * When enabled the user can click on a point which is a parent and * zoom in on its children. * * @sample {highcharts} highcharts/plotoptions/treemap-allowtraversingtree/ * Enabled * * @since 7.0.3 * @product highcharts */ allowTraversingTree: false, /** * 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 */ /** * Fires on a request for change of root node for the tree, before the * update is made. An event object is passed to the function, containing * additional properties `newRootId`, `previousRootId`, `redraw` and * `trigger`. * * @type {function} * @default undefined * @sample {highcharts} highcharts/plotoptions/treemap-events-setrootnode/ * Alert update information on setRootNode event. * @since 7.0.3 * @product highcharts * @apioption plotOptions.treemap.events.setRootNode */ /** * 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 allowTraversingTree is true, then it * will be false by default. * * @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-false/ * False * @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-true-and-allowtraversingtree/ * InteractByLeaf and allowTraversingTree is true * * @type {boolean} * @since 4.1.2 * @product highcharts * @apioption plotOptions.treemap.interactByLeaf */ /** * The sort index of the point inside the treemap level. * * @sample {highcharts} highcharts/plotoptions/treemap-sortindex/ * Sort by years * * @type {number} * @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. * * @see [series colors](#plotOptions.treemap.colors) * * @type {boolean} * @default false * @since 2.0 * @product highcharts * @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} * @since 3.0 * @product highcharts * @apioption plotOptions.treemap.colors */ /** * Whether to display this series type or specific series item in the * legend. */ showInLegend: false, /** * @ignore */ marker: false, colorByPoint: false, /** * @extends plotOptions.heatmap.dataLabels * @since 4.1.0 */ dataLabels: { enabled: true, defer: false, verticalAlign: 'middle', formatter: function () { var point = this && this.point ? this.point : {}, name = isString(point.name) ? point.name : ''; return name; }, inside: true }, tooltip: { headerFormat: '', pointFormat: '{point.name}: {point.value}
' }, /** * Whether to ignore hidden points when the layout algorithm runs. * If `false`, hidden points will leave open spaces. * * @since 5.0.8 */ ignoreHiddenPoint: true, /** * This option decides which algorithm is used for setting position * and dimensions of the points. * * @see [How to write your own algorithm](https://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 * * @since 4.1.0 * @validvalue ["sliceAndDice", "stripes", "squarified", "strip"] */ layoutAlgorithm: 'sliceAndDice', /** * Defines which direction the layout algorithm will start drawing. * * @since 4.1.0 * @validvalue ["vertical", "horizontal"] */ 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. * * @sample {highcharts} highcharts/plotoptions/treemap-alternatestartingdirection-true/ * Enabled * * @since 4.1.0 */ alternateStartingDirection: false, /** * Used together with the levels and allowTraversingTree options. When * set to false the first level visible to be level one, which is * dynamic when traversing the tree. Otherwise the level will be the * same as the tree structure. * * @since 4.1.0 */ levelIsConstant: true, /** * Options for the button appearing when drilling down in a treemap. * Deprecated and replaced by [traverseUpButton](#plotOptions.treemap.traverseUpButton). * * @deprecated */ drillUpButton: { /** * The position of the button. * * @deprecated */ position: { /** * Vertical alignment of the button. * * @deprecated * @default top * @validvalue ["top", "middle", "bottom"] * @product highcharts * @apioption plotOptions.treemap.drillUpButton.position.verticalAlign */ /** * Horizontal alignment of the button. * * @deprecated * @validvalue ["left", "center", "right"] */ align: 'right', /** * Horizontal offset of the button. * * @deprecated */ x: -10, /** * Vertical offset of the button. * * @deprecated */ y: 10 } }, /** * Options for the button appearing when traversing down in a treemap. */ traverseUpButton: { /** * The position of the button. */ position: { /** * Vertical alignment of the button. * * @default top * @validvalue ["top", "middle", "bottom"] * @product highcharts * @apioption plotOptions.treemap.traverseUpButton.position.verticalAlign */ /** * Horizontal alignment of the button. * * @validvalue ["left", "center", "right"] */ align: 'right', /** * Horizontal offset of the button. */ x: -10, /** * Vertical offset of the button. */ y: 10 } }, /** * Set options on specific levels. Takes precedence over series options, * but not point options. * * @sample {highcharts} highcharts/plotoptions/treemap-levels/ * Styling dataLabels and borders * @sample {highcharts} highcharts/demo/treemap-with-levels/ * Different layoutAlgorithm * * @type {Array<*>} * @since 4.1.0 * @product highcharts * @apioption plotOptions.treemap.levels */ /** * Can set a `borderColor` on all points which lies on the same level. * * @type {Highcharts.ColorString} * @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 * plotOptions.scatter.dashStyle 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 {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject} * @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. * * @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} * @since 6.0.0 * @product highcharts * @validvalue ["brightness"] * @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} * @since 4.1.0 * @product highcharts * @apioption plotOptions.treemap.levels.dataLabels */ /** * Can set the layoutAlgorithm option on a specific level. * * @type {string} * @since 4.1.0 * @product highcharts * @validvalue ["sliceAndDice", "stripes", "squarified", "strip"] * @apioption plotOptions.treemap.levels.layoutAlgorithm */ /** * Can set the layoutStartingDirection option on a specific level. * * @type {string} * @since 4.1.0 * @product highcharts * @validvalue ["vertical", "horizontal"] * @apioption plotOptions.treemap.levels.layoutStartingDirection */ /** * Decides which level takes effect from the options set in the levels * object. * * @sample {highcharts} highcharts/plotoptions/treemap-levels/ * Styling of both levels * * @type {number} * @since 4.1.0 * @product highcharts * @apioption plotOptions.treemap.levels.level */ // Presentational options /** * The color of the border surrounding each tree map item. * * @type {Highcharts.ColorString} */ 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. * * @since 4.2.4 */ opacity: 0.15, /** * A wrapper object for all the series options in specific states. * * @extends plotOptions.heatmap.states */ states: { /** * Options for the hovered series * * @extends plotOptions.heatmap.states.hover * @excluding halo */ hover: { /** * The border color for the hovered state. */ borderColor: '#999999', /** * Brightness for the hovered point. Defaults to 0 if the * heatmap series is loaded first, otherwise 0.1. * * @type {number} * @default undefined */ 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. * * @since 4.2.4 */ opacity: 0.75, /** * The shadow option for hovered state. */ shadow: false } } // Prototype members }, { pointArrayMap: ['value'], directTouch: true, optionalAxis: 'colorAxis', getSymbol: noop, parallelArrays: ['x', 'y', 'value', 'colorValue'], colorKey: 'colorValue', // Point color option key trackerGroups: ['group', 'dataLabelsGroup'], /** * Creates an object map from parent id to childrens index. * * @private * @function Highcharts.Series#getListOfParents * * @param {Highcharts.SeriesTreemapDataOptions} data * List of points set in options. * * @param {Array} existingIds * List of all point ids. * * @return {object} * Map from parent id to children index in data. */ getListOfParents: function (data, existingIds) { var arr = isArray(data) ? data : [], ids = isArray(existingIds) ? existingIds : [], listOfParents = arr.reduce(function (prev, curr, i) { var parent = pick(curr.parent, ''); if (prev[parent] === undefined) { prev[parent] = []; } prev[parent].push(i); return prev; }, { '': [] // Root of tree }); // If parent does not exist, hoist parent to root of tree. eachObject(listOfParents, function (children, parent, list) { if ((parent !== '') && (ids.indexOf(parent) === -1)) { children.forEach(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 = this.data.map(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, colorSeriesMixin = H.colorSeriesMixin; // If color series logic is loaded, add some properties if (H.colorSeriesMixin) { this.translateColors = colorSeriesMixin.translateColors; this.colorAttribs = colorSeriesMixin.colorAttribs; this.axisTypes = colorSeriesMixin.axisTypes; } // Handle deprecated options. addEvent(series, 'setOptions', function (event) { var options = event.userOptions; if ( defined(options.allowDrillToNode) && !defined(options.allowTraversingTree) ) { options.allowTraversingTree = options.allowDrillToNode; delete options.allowDrillToNode; } if ( defined(options.drillUpButton) && !defined(options.traverseUpButton) ) { options.traverseUpButton = options.drillUpButton; delete options.drillUpButton; } }); Series.prototype.init.call(series, chart, options); if (series.options.allowTraversingTree) { 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 ((list[id] || [])).forEach(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 tree.children.forEach(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. * * @private * @function Highcharts.Series#calculateChildrenAreas * * @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 = parent.children.filter(function (n) { return !n.ignore; }); if (level && level.layoutStartingDirection) { area.direction = level.layoutStartingDirection === 'vertical' ? 0 : 1; } childrenValues = series[algorithm](area, children); children.forEach(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; series.points.forEach(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. if (!series.chart.styledMode) { 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 (node.children || []).forEach(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]; } group.elArr.forEach(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: H.correctFloat(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 children.forEach(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; children.forEach(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.renderTraverseUpButton(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.setRootNode('', 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; children.forEach(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.allowTraversingTree) { 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. * * @private * @function Highcharts.Series#drawDataLabels */ drawDataLabels: function () { var series = this, mapOptionsToLevel = series.mapOptionsToLevel, points = series.points.filter(function (n) { return n.node.visible; }), options, level; points.forEach(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, dataLabel, labelOptions) { var style = labelOptions.style; // #8160: Prevent the label from exceeding the point's // boundaries in treemaps by applying ellipsis overflow. // The issue was happening when datalabel's text contained a // long sequence of characters without a whitespace. if ( !H.defined(style.textOverflow) && dataLabel.text && dataLabel.getBBox().width > dataLabel.text.textWidth ) { dataLabel.css({ textOverflow: 'ellipsis', // unit (px) is required when useHTML is true width: style.width += 'px' }); } 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 = series.points.filter(function (n) { return n.node.visible; }); points.forEach(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); // In styled mode apply point.color. Use CSS, otherwise the fill // used in the style sheet will take precedence over the fill // attribute. if (this.colorAttribs && series.chart.styledMode) { // Heatmap is loaded this.points.forEach(function (point) { if (point.graphic) { point.graphic.css(this.colorAttribs(point)); } }, this); } // If setRootNode is allowed, set a point cursor on clickables & add // drillId to point if (series.options.allowTraversingTree) { points.forEach(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.setRootNode(drillId, true, { trigger: 'click' }); } }, /** * Finds the drill id for a parent node. Returns false if point should * not have a click event. * * @private * @function Highcharts.Series#drillToByGroup * * @param {object} point * * @return {boolean|string} * 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 * * @private * @function Highcharts.Series#drillToByLeaf * * @param {object} point * * @return {boolean|string} * 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.setRootNode( node.parent, true, { trigger: 'traverseUpButton' } ); } }, // TODO remove this function at a suitable version. drillToNode: function (id, redraw) { error( 'WARNING: treemap.drillToNode has been renamed to treemap.' + 'setRootNode, and will be removed in the next major version.' ); this.setRootNode(id, redraw); }, /** * Sets a new root node for the series. * * @private * @function Highcharts.Series#setRootNode * * @param {string} id The id of the new root node. * @param {boolean} [redraw=true] Wether to redraw the chart or not. * @param {object} [eventArguments] Arguments to be accessed in * event handler. * @param {string} [eventArguments.newRootId] Id of the new root. * @param {string} [eventArguments.previousRootId] Id of the previous * root. * @param {boolean} [eventArguments.redraw] Wether to redraw the * chart after. * @param {object} [eventArguments.series] The series to update the root * of. * @param {string} [eventArguments.trigger] The action which * triggered the event. Undefined if the setRootNode is called * directly. */ setRootNode: function (id, redraw, eventArguments) { var series = this, eventArgs = extend({ newRootId: id, previousRootId: series.rootNode, redraw: pick(redraw, true), series: series }, eventArguments); /** * The default functionality of the setRootNode event. * * @private * @param {object} args The event arguments. * @param {string} args.newRootId Id of the new root. * @param {string} args.previousRootId Id of the previous root. * @param {boolean} args.redraw Wether to redraw the chart after. * @param {object} args.series The series to update the root of. * @param {string} [args.trigger=undefined] The action which * triggered the event. Undefined if the setRootNode is called * directly. */ var defaultFn = function (args) { var series = args.series; // Store previous and new root ids on the series. series.idPreviousRoot = args.previousRootId; series.rootNode = args.newRootId; // Redraw the chart series.isDirty = true; // Force redraw if (args.redraw) { series.chart.redraw(); } }; // Fire setRootNode event. fireEvent(series, 'setRootNode', eventArgs, defaultFn); }, renderTraverseUpButton: function (rootId) { var series = this, nodeMap = series.nodeMap, node = nodeMap[rootId], name = node.name, buttonOptions = series.options.traverseUpButton, backText = pick(buttonOptions.text, name, '< Back'), attr, states; if (rootId === '') { if (series.drillUpButton) { series.drillUpButton = series.drillUpButton.destroy(); } } else 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 } // 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.allowTraversingTree) ) { 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. * * @private * @function Highcharts.Point#isValid */ 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). * * @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 following snippet shows only a * few settings, see the complete options set 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" * }] * ``` * * @sample {highcharts} highcharts/chart/reflow-true/ * Numerical values * @sample {highcharts} highcharts/series/data-array-of-objects/ * Config objects * * @type {Array} * @extends series.heatmap.data * @excluding x, y * @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} * @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. * * @sample {highcharts} highcharts/point/parent/ * Point parent * @sample {highcharts} highcharts/demo/treemap-with-levels/ * Example where parent id is not matching * * @type {string} * @since 4.1.0 * @product highcharts * @apioption series.treemap.data.parent */