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- /**
- * @license Map plugin v0.1 for Highcharts
- *
- * (c) 2011-2013 Torstein Hønsi
- *
- * License: www.highcharts.com/license
- */
-
- /*
- * See www.highcharts.com/studies/world-map.htm for use case.
- *
- * To do:
- * - Optimize long variable names and alias adapter methods and Highcharts namespace variables
- * - Zoom and pan GUI
- */
- (function (Highcharts) {
- var UNDEFINED,
- Axis = Highcharts.Axis,
- Chart = Highcharts.Chart,
- Point = Highcharts.Point,
- Pointer = Highcharts.Pointer,
- each = Highcharts.each,
- extend = Highcharts.extend,
- merge = Highcharts.merge,
- pick = Highcharts.pick,
- numberFormat = Highcharts.numberFormat,
- defaultOptions = Highcharts.getOptions(),
- seriesTypes = Highcharts.seriesTypes,
- plotOptions = defaultOptions.plotOptions,
- wrap = Highcharts.wrap,
- Color = Highcharts.Color,
- noop = function () {};
-
-
-
- /*
- * Return an intermediate color between two colors, according to pos where 0
- * is the from color and 1 is the to color
- */
- function tweenColors(from, to, pos) {
- var i = 4,
- rgba = [];
-
- while (i--) {
- rgba[i] = Math.round(
- to.rgba[i] + (from.rgba[i] - to.rgba[i]) * (1 - pos)
- );
- }
- return 'rgba(' + rgba.join(',') + ')';
- }
-
- // Set the default map navigation options
- defaultOptions.mapNavigation = {
- buttonOptions: {
- align: 'right',
- verticalAlign: 'bottom',
- x: 0,
- width: 18,
- height: 18,
- style: {
- fontSize: '15px',
- fontWeight: 'bold',
- textAlign: 'center'
- }
- },
- buttons: {
- zoomIn: {
- onclick: function () {
- this.mapZoom(0.5);
- },
- text: '+',
- y: -32
- },
- zoomOut: {
- onclick: function () {
- this.mapZoom(2);
- },
- text: '-',
- y: 0
- }
- }
- // enableButtons: false,
- // enableTouchZoom: false,
- // zoomOnDoubleClick: false,
- // zoomOnMouseWheel: false
-
- };
-
- /**
- * Utility for reading SVG paths directly.
- */
- Highcharts.splitPath = function (path) {
- var i;
-
- // Move letters apart
- path = path.replace(/([A-Za-z])/g, ' $1 ');
- // Trim
- path = path.replace(/^\s*/, "").replace(/\s*$/, "");
-
- // Split on spaces and commas
- path = path.split(/[ ,]+/);
-
- // Parse numbers
- for (i = 0; i < path.length; i++) {
- if (!/[a-zA-Z]/.test(path[i])) {
- path[i] = parseFloat(path[i]);
- }
- }
- return path;
- };
-
- // A placeholder for map definitions
- Highcharts.maps = {};
-
- /**
- * Override to use the extreme coordinates from the SVG shape, not the
- * data values
- */
- wrap(Axis.prototype, 'getSeriesExtremes', function (proceed) {
- var isXAxis = this.isXAxis,
- dataMin,
- dataMax,
- xData = [];
-
- // Remove the xData array and cache it locally so that the proceed method doesn't use it
- each(this.series, function (series, i) {
- if (series.useMapGeometry) {
- xData[i] = series.xData;
- series.xData = [];
- }
- });
-
- // Call base to reach normal cartesian series (like mappoint)
- proceed.call(this);
-
- // Run extremes logic for map and mapline
- dataMin = pick(this.dataMin, Number.MAX_VALUE);
- dataMax = pick(this.dataMax, Number.MIN_VALUE);
- each(this.series, function (series, i) {
- if (series.useMapGeometry) {
- dataMin = Math.min(dataMin, series[isXAxis ? 'minX' : 'minY']);
- dataMax = Math.max(dataMax, series[isXAxis ? 'maxX' : 'maxY']);
- series.xData = xData[i]; // Reset xData array
- }
- });
-
- this.dataMin = dataMin;
- this.dataMax = dataMax;
- });
-
- /**
- * Override axis translation to make sure the aspect ratio is always kept
- */
- wrap(Axis.prototype, 'setAxisTranslation', function (proceed) {
- var chart = this.chart,
- mapRatio,
- plotRatio = chart.plotWidth / chart.plotHeight,
- isXAxis = this.isXAxis,
- adjustedAxisLength,
- xAxis = chart.xAxis[0],
- padAxis;
-
- // Run the parent method
- proceed.call(this);
-
- // On Y axis, handle both
- if (chart.options.chart.type === 'map' && !isXAxis && xAxis.transA !== UNDEFINED) {
-
- // Use the same translation for both axes
- this.transA = xAxis.transA = Math.min(this.transA, xAxis.transA);
-
- mapRatio = (xAxis.max - xAxis.min) / (this.max - this.min);
-
- // What axis to pad to put the map in the middle
- padAxis = mapRatio > plotRatio ? this : xAxis;
-
- // Pad it
- adjustedAxisLength = (padAxis.max - padAxis.min) * padAxis.transA;
- padAxis.minPixelPadding = (padAxis.len - adjustedAxisLength) / 2;
- }
- });
-
-
- //--- Start zooming and panning features
-
- wrap(Chart.prototype, 'render', function (proceed) {
- var chart = this,
- mapNavigation = chart.options.mapNavigation;
-
- proceed.call(chart);
-
- // Render the plus and minus buttons
- chart.renderMapNavigation();
-
- // Add the double click event
- if (mapNavigation.zoomOnDoubleClick) {
- Highcharts.addEvent(chart.container, 'dblclick', function (e) {
- chart.pointer.onContainerDblClick(e);
- });
- }
-
- // Add the mousewheel event
- if (mapNavigation.zoomOnMouseWheel) {
- Highcharts.addEvent(chart.container, document.onmousewheel === undefined ? 'DOMMouseScroll' : 'mousewheel', function (e) {
- chart.pointer.onContainerMouseWheel(e);
- });
- }
- });
-
- // Extend the Pointer
- extend(Pointer.prototype, {
-
- /**
- * The event handler for the doubleclick event
- */
- onContainerDblClick: function (e) {
- var chart = this.chart;
-
- e = this.normalize(e);
-
- if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
- chart.mapZoom(
- 0.5,
- chart.xAxis[0].toValue(e.chartX),
- chart.yAxis[0].toValue(e.chartY)
- );
- }
- },
-
- /**
- * The event handler for the mouse scroll event
- */
- onContainerMouseWheel: function (e) {
- var chart = this.chart,
- delta;
-
- e = this.normalize(e);
-
- // Firefox uses e.detail, WebKit and IE uses wheelDelta
- delta = e.detail || -(e.wheelDelta / 120);
- if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
- chart.mapZoom(
- delta > 0 ? 2 : 0.5,
- chart.xAxis[0].toValue(e.chartX),
- chart.yAxis[0].toValue(e.chartY)
- );
- }
- }
- });
- // Implement the pinchType option
- wrap(Pointer.prototype, 'init', function (proceed, chart, options) {
-
- proceed.call(this, chart, options);
-
- // Pinch status
- if (options.mapNavigation.enableTouchZoom) {
- this.pinchX = this.pinchHor =
- this.pinchY = this.pinchVert = true;
- }
- });
-
- // Add events to the Chart object itself
- extend(Chart.prototype, {
- renderMapNavigation: function () {
- var chart = this,
- options = this.options.mapNavigation,
- buttons = options.buttons,
- n,
- button,
- buttonOptions,
- outerHandler = function () {
- this.handler.call(chart);
- };
-
- if (options.enableButtons) {
- for (n in buttons) {
- if (buttons.hasOwnProperty(n)) {
- buttonOptions = merge(options.buttonOptions, buttons[n]);
-
- button = chart.renderer.button(buttonOptions.text, 0, 0, outerHandler)
- .attr({
- width: buttonOptions.width,
- height: buttonOptions.height
- })
- .css(buttonOptions.style)
- .add();
- button.handler = buttonOptions.onclick;
- button.align(extend(buttonOptions, { width: button.width, height: button.height }), null, 'spacingBox');
- }
- }
- }
- },
-
- /**
- * Fit an inner box to an outer. If the inner box overflows left or right, align it to the sides of the
- * outer. If it overflows both sides, fit it within the outer. This is a pattern that occurs more places
- * in Highcharts, perhaps it should be elevated to a common utility function.
- */
- fitToBox: function (inner, outer) {
- each([['x', 'width'], ['y', 'height']], function (dim) {
- var pos = dim[0],
- size = dim[1];
- if (inner[pos] + inner[size] > outer[pos] + outer[size]) { // right overflow
- if (inner[size] > outer[size]) { // the general size is greater, fit fully to outer
- inner[size] = outer[size];
- inner[pos] = outer[pos];
- } else { // align right
- inner[pos] = outer[pos] + outer[size] - inner[size];
- }
- }
- if (inner[size] > outer[size]) {
- inner[size] = outer[size];
- }
- if (inner[pos] < outer[pos]) {
- inner[pos] = outer[pos];
- }
-
- });
-
- return inner;
- },
-
- /**
- * Zoom the map in or out by a certain amount. Less than 1 zooms in, greater than 1 zooms out.
- */
- mapZoom: function (howMuch, centerXArg, centerYArg) {
-
- if (this.isMapZooming) {
- return;
- }
-
- var chart = this,
- xAxis = chart.xAxis[0],
- xRange = xAxis.max - xAxis.min,
- centerX = pick(centerXArg, xAxis.min + xRange / 2),
- newXRange = xRange * howMuch,
- yAxis = chart.yAxis[0],
- yRange = yAxis.max - yAxis.min,
- centerY = pick(centerYArg, yAxis.min + yRange / 2),
- newYRange = yRange * howMuch,
- newXMin = centerX - newXRange / 2,
- newYMin = centerY - newYRange / 2,
- animation = pick(chart.options.chart.animation, true),
- delay,
- newExt = chart.fitToBox({
- x: newXMin,
- y: newYMin,
- width: newXRange,
- height: newYRange
- }, {
- x: xAxis.dataMin,
- y: yAxis.dataMin,
- width: xAxis.dataMax - xAxis.dataMin,
- height: yAxis.dataMax - yAxis.dataMin
- });
-
- xAxis.setExtremes(newExt.x, newExt.x + newExt.width, false);
- yAxis.setExtremes(newExt.y, newExt.y + newExt.height, false);
-
- // Prevent zooming until this one is finished animating
- delay = animation ? animation.duration || 500 : 0;
- if (delay) {
- chart.isMapZooming = true;
- setTimeout(function () {
- chart.isMapZooming = false;
- }, delay);
- }
-
- chart.redraw();
- }
- });
-
- /**
- * Extend the default options with map options
- */
- plotOptions.map = merge(plotOptions.scatter, {
- animation: false, // makes the complex shapes slow
- nullColor: '#F8F8F8',
- borderColor: 'silver',
- borderWidth: 1,
- marker: null,
- stickyTracking: false,
- dataLabels: {
- verticalAlign: 'middle'
- },
- turboThreshold: 0,
- tooltip: {
- followPointer: true,
- pointFormat: '{point.name}: {point.y}<br/>'
- },
- states: {
- normal: {
- animation: true
- }
- }
- });
-
- var MapAreaPoint = Highcharts.extendClass(Point, {
- /**
- * Extend the Point object to split paths
- */
- applyOptions: function (options, x) {
-
- var point = Point.prototype.applyOptions.call(this, options, x);
-
- if (point.path && typeof point.path === 'string') {
- point.path = point.options.path = Highcharts.splitPath(point.path);
- }
-
- return point;
- },
- /**
- * Stop the fade-out
- */
- onMouseOver: function () {
- clearTimeout(this.colorInterval);
- Point.prototype.onMouseOver.call(this);
- },
- /**
- * Custom animation for tweening out the colors. Animation reduces blinking when hovering
- * over islands and coast lines. We run a custom implementation of animation becuase we
- * need to be able to run this independently from other animations like zoom redraw. Also,
- * adding color animation to the adapters would introduce almost the same amount of code.
- */
- onMouseOut: function () {
- var point = this,
- start = +new Date(),
- normalColor = Color(point.options.color),
- hoverColor = Color(point.pointAttr.hover.fill),
- animation = point.series.options.states.normal.animation,
- duration = animation && (animation.duration || 500);
-
- if (duration && normalColor.rgba.length === 4 && hoverColor.rgba.length === 4) {
- delete point.pointAttr[''].fill; // avoid resetting it in Point.setState
-
- clearTimeout(point.colorInterval);
- point.colorInterval = setInterval(function () {
- var pos = (new Date() - start) / duration,
- graphic = point.graphic;
- if (pos > 1) {
- pos = 1;
- }
- if (graphic) {
- graphic.attr('fill', tweenColors(hoverColor, normalColor, pos));
- }
- if (pos >= 1) {
- clearTimeout(point.colorInterval);
- }
- }, 13);
- }
- Point.prototype.onMouseOut.call(point);
- }
- });
-
- /**
- * Add the series type
- */
- seriesTypes.map = Highcharts.extendClass(seriesTypes.scatter, {
- type: 'map',
- pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
- stroke: 'borderColor',
- 'stroke-width': 'borderWidth',
- fill: 'color'
- },
- colorKey: 'y',
- pointClass: MapAreaPoint,
- trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
- getSymbol: noop,
- supportsDrilldown: true,
- getExtremesFromAll: true,
- useMapGeometry: true, // get axis extremes from paths, not values
- init: function (chart) {
- var series = this,
- valueDecimals = chart.options.legend.valueDecimals,
- legendItems = [],
- name,
- from,
- to,
- fromLabel,
- toLabel,
- colorRange,
- valueRanges,
- gradientColor,
- grad,
- tmpLabel,
- horizontal = chart.options.legend.layout === 'horizontal';
-
-
- Highcharts.Series.prototype.init.apply(this, arguments);
- colorRange = series.options.colorRange;
- valueRanges = series.options.valueRanges;
-
- if (valueRanges) {
- each(valueRanges, function (range) {
- from = range.from;
- to = range.to;
-
- // Assemble the default name. This can be overridden by legend.options.labelFormatter
- name = '';
- if (from === UNDEFINED) {
- name = '< ';
- } else if (to === UNDEFINED) {
- name = '> ';
- }
- if (from !== UNDEFINED) {
- name += numberFormat(from, valueDecimals);
- }
- if (from !== UNDEFINED && to !== UNDEFINED) {
- name += ' - ';
- }
- if (to !== UNDEFINED) {
- name += numberFormat(to, valueDecimals);
- }
-
- // Add a mock object to the legend items
- legendItems.push(Highcharts.extend({
- chart: series.chart,
- name: name,
- options: {},
- drawLegendSymbol: seriesTypes.area.prototype.drawLegendSymbol,
- visible: true,
- setState: function () {},
- setVisible: function () {}
- }, range));
- });
- series.legendItems = legendItems;
-
- } else if (colorRange) {
-
- from = colorRange.from;
- to = colorRange.to;
- fromLabel = colorRange.fromLabel;
- toLabel = colorRange.toLabel;
-
- // Flips linearGradient variables and label text.
- grad = horizontal ? [0, 0, 1, 0] : [0, 1, 0, 0];
- if (!horizontal) {
- tmpLabel = fromLabel;
- fromLabel = toLabel;
- toLabel = tmpLabel;
- }
-
- // Creates color gradient.
- gradientColor = {
- linearGradient: { x1: grad[0], y1: grad[1], x2: grad[2], y2: grad[3] },
- stops:
- [
- [0, from],
- [1, to]
- ]
- };
-
- // Add a mock object to the legend items.
- legendItems = [{
- chart: series.chart,
- options: {},
- fromLabel: fromLabel,
- toLabel: toLabel,
- color: gradientColor,
- drawLegendSymbol: this.drawLegendSymbolGradient,
- visible: true,
- setState: function () {},
- setVisible: function () {}
- }];
-
- series.legendItems = legendItems;
- }
- },
-
- /**
- * If neither valueRanges nor colorRanges are defined, use basic area symbol.
- */
- drawLegendSymbol: seriesTypes.area.prototype.drawLegendSymbol,
-
- /**
- * Gets the series' symbol in the legend and extended legend with more information.
- *
- * @param {Object} legend The legend object
- * @param {Object} item The series (this) or point
- */
- drawLegendSymbolGradient: function (legend, item) {
- var spacing = legend.options.symbolPadding,
- padding = pick(legend.options.padding, 8),
- positionY,
- positionX,
- gradientSize = this.chart.renderer.fontMetrics(legend.options.itemStyle.fontSize).h,
- horizontal = legend.options.layout === 'horizontal',
- box1,
- box2,
- box3,
- rectangleLength = pick(legend.options.rectangleLength, 200);
-
- // Set local variables based on option.
- if (horizontal) {
- positionY = -(spacing / 2);
- positionX = 0;
- } else {
- positionY = -rectangleLength + legend.baseline - (spacing / 2);
- positionX = padding + gradientSize;
- }
-
- // Creates the from text.
- item.fromText = this.chart.renderer.text(
- item.fromLabel, // Text.
- positionX, // Lower left x.
- positionY // Lower left y.
- ).attr({
- zIndex: 2
- }).add(item.legendGroup);
- box1 = item.fromText.getBBox();
-
- // Creates legend symbol.
- // Ternary changes variables based on option.
- item.legendSymbol = this.chart.renderer.rect(
- horizontal ? box1.x + box1.width + spacing : box1.x - gradientSize - spacing, // Upper left x.
- box1.y, // Upper left y.
- horizontal ? rectangleLength : gradientSize, // Width.
- horizontal ? gradientSize : rectangleLength, // Height.
- 2 // Corner radius.
- ).attr({
- zIndex: 1
- }).add(item.legendGroup);
- box2 = item.legendSymbol.getBBox();
-
- // Creates the to text.
- // Vertical coordinate changed based on option.
- item.toText = this.chart.renderer.text(
- item.toLabel,
- box2.x + box2.width + spacing,
- horizontal ? positionY : box2.y + box2.height - spacing
- ).attr({
- zIndex: 2
- }).add(item.legendGroup);
- box3 = item.toText.getBBox();
-
- // Changes legend box settings based on option.
- if (horizontal) {
- legend.offsetWidth = box1.width + box2.width + box3.width + (spacing * 2) + padding;
- legend.itemY = gradientSize + padding;
- } else {
- legend.offsetWidth = Math.max(box1.width, box3.width) + (spacing) + box2.width + padding;
- legend.itemY = box2.height + padding;
- legend.itemX = spacing;
- }
- },
-
- /**
- * Get the bounding box of all paths in the map combined.
- */
- getBox: function (paths) {
- var maxX = Number.MIN_VALUE,
- minX = Number.MAX_VALUE,
- maxY = Number.MIN_VALUE,
- minY = Number.MAX_VALUE;
-
-
- // Find the bounding box
- each(paths || this.options.data, function (point) {
- var path = point.path,
- i = path.length,
- even = false, // while loop reads from the end
- pointMaxX = Number.MIN_VALUE,
- pointMinX = Number.MAX_VALUE,
- pointMaxY = Number.MIN_VALUE,
- pointMinY = Number.MAX_VALUE;
-
- while (i--) {
- if (typeof path[i] === 'number' && !isNaN(path[i])) {
- if (even) { // even = x
- pointMaxX = Math.max(pointMaxX, path[i]);
- pointMinX = Math.min(pointMinX, path[i]);
- } else { // odd = Y
- pointMaxY = Math.max(pointMaxY, path[i]);
- pointMinY = Math.min(pointMinY, path[i]);
- }
- even = !even;
- }
- }
- // Cache point bounding box for use to position data labels
- point._maxX = pointMaxX;
- point._minX = pointMinX;
- point._maxY = pointMaxY;
- point._minY = pointMinY;
-
- maxX = Math.max(maxX, pointMaxX);
- minX = Math.min(minX, pointMinX);
- maxY = Math.max(maxY, pointMaxY);
- minY = Math.min(minY, pointMinY);
- });
- this.minY = minY;
- this.maxY = maxY;
- this.minX = minX;
- this.maxX = maxX;
-
- },
-
-
-
- /**
- * Translate the path so that it automatically fits into the plot area box
- * @param {Object} path
- */
- translatePath: function (path) {
-
- var series = this,
- even = false, // while loop reads from the end
- xAxis = series.xAxis,
- yAxis = series.yAxis,
- i;
-
- // Preserve the original
- path = [].concat(path);
-
- // Do the translation
- i = path.length;
- while (i--) {
- if (typeof path[i] === 'number') {
- if (even) { // even = x
- path[i] = Math.round(xAxis.translate(path[i]));
- } else { // odd = Y
- path[i] = Math.round(yAxis.len - yAxis.translate(path[i]));
- }
- even = !even;
- }
- }
- return path;
- },
-
- setData: function () {
- Highcharts.Series.prototype.setData.apply(this, arguments);
- this.getBox();
- },
-
- /**
- * Add the path option for data points. Find the max value for color calculation.
- */
- translate: function () {
- var series = this,
- dataMin = Number.MAX_VALUE,
- dataMax = Number.MIN_VALUE;
-
- series.generatePoints();
-
- each(series.data, function (point) {
-
- point.shapeType = 'path';
- point.shapeArgs = {
- d: series.translatePath(point.path)
- };
-
- // TODO: do point colors in drawPoints instead of point.init
- if (typeof point.y === 'number') {
- if (point.y > dataMax) {
- dataMax = point.y;
- } else if (point.y < dataMin) {
- dataMin = point.y;
- }
- }
- });
-
- series.translateColors(dataMin, dataMax);
- },
-
- /**
- * In choropleth maps, the color is a result of the value, so this needs translation too
- */
- translateColors: function (dataMin, dataMax) {
-
- var seriesOptions = this.options,
- valueRanges = seriesOptions.valueRanges,
- colorRange = seriesOptions.colorRange,
- colorKey = this.colorKey,
- from,
- to;
-
- if (colorRange) {
- from = Color(colorRange.from);
- to = Color(colorRange.to);
- }
-
- each(this.data, function (point) {
- var value = point[colorKey],
- range,
- color,
- i,
- pos;
-
- if (valueRanges) {
- i = valueRanges.length;
- while (i--) {
- range = valueRanges[i];
- from = range.from;
- to = range.to;
- if ((from === UNDEFINED || value >= from) && (to === UNDEFINED || value <= to)) {
- color = range.color;
- break;
- }
-
- }
- } else if (colorRange && value !== undefined) {
-
- pos = 1 - ((dataMax - value) / (dataMax - dataMin));
- color = value === null ? seriesOptions.nullColor : tweenColors(from, to, pos);
- }
-
- if (color) {
- point.color = null; // reset from previous drilldowns, use of the same data options
- point.options.color = color;
- }
- });
- },
-
- drawGraph: noop,
-
- /**
- * We need the points' bounding boxes in order to draw the data labels, so
- * we skip it now and call if from drawPoints instead.
- */
- drawDataLabels: noop,
-
- /**
- * Use the drawPoints method of column, that is able to handle simple shapeArgs.
- * Extend it by assigning the tooltip position.
- */
- drawPoints: function () {
- var series = this,
- xAxis = series.xAxis,
- yAxis = series.yAxis,
- colorKey = series.colorKey;
-
- // Make points pass test in drawing
- each(series.data, function (point) {
- point.plotY = 1; // pass null test in column.drawPoints
- if (point[colorKey] === null) {
- point[colorKey] = 0;
- point.isNull = true;
- }
- });
-
- // Draw them
- seriesTypes.column.prototype.drawPoints.apply(series);
-
- each(series.data, function (point) {
-
- var dataLabels = point.dataLabels,
- minX = xAxis.toPixels(point._minX, true),
- maxX = xAxis.toPixels(point._maxX, true),
- minY = yAxis.toPixels(point._minY, true),
- maxY = yAxis.toPixels(point._maxY, true);
-
- point.plotX = Math.round(minX + (maxX - minX) * pick(dataLabels && dataLabels.anchorX, 0.5));
- point.plotY = Math.round(minY + (maxY - minY) * pick(dataLabels && dataLabels.anchorY, 0.5));
-
-
- // Reset escaped null points
- if (point.isNull) {
- point[colorKey] = null;
- }
- });
-
- // Now draw the data labels
- Highcharts.Series.prototype.drawDataLabels.call(series);
-
- },
-
- /**
- * Animate in the new series from the clicked point in the old series.
- * Depends on the drilldown.js module
- */
- animateDrilldown: function (init) {
- var toBox = this.chart.plotBox,
- level = this.chart.drilldownLevels[this.chart.drilldownLevels.length - 1],
- fromBox = level.bBox,
- animationOptions = this.chart.options.drilldown.animation,
- scale;
-
- if (!init) {
-
- scale = Math.min(fromBox.width / toBox.width, fromBox.height / toBox.height);
- level.shapeArgs = {
- scaleX: scale,
- scaleY: scale,
- translateX: fromBox.x,
- translateY: fromBox.y
- };
-
- // TODO: Animate this.group instead
- each(this.points, function (point) {
-
- point.graphic
- .attr(level.shapeArgs)
- .animate({
- scaleX: 1,
- scaleY: 1,
- translateX: 0,
- translateY: 0
- }, animationOptions);
-
- });
-
- delete this.animate;
- }
-
- },
-
- /**
- * When drilling up, pull out the individual point graphics from the lower series
- * and animate them into the origin point in the upper series.
- */
- animateDrillupFrom: function (level) {
- seriesTypes.column.prototype.animateDrillupFrom.call(this, level);
- },
-
-
- /**
- * When drilling up, keep the upper series invisible until the lower series has
- * moved into place
- */
- animateDrillupTo: function (init) {
- seriesTypes.column.prototype.animateDrillupTo.call(this, init);
- }
- });
-
-
- // The mapline series type
- plotOptions.mapline = merge(plotOptions.map, {
- lineWidth: 1,
- backgroundColor: 'none'
- });
- seriesTypes.mapline = Highcharts.extendClass(seriesTypes.map, {
- type: 'mapline',
- pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
- stroke: 'color',
- 'stroke-width': 'lineWidth',
- fill: 'backgroundColor'
- },
- drawLegendSymbol: seriesTypes.line.prototype.drawLegendSymbol
- });
-
- // The mappoint series type
- plotOptions.mappoint = merge(plotOptions.scatter, {
- dataLabels: {
- enabled: true,
- format: '{point.name}',
- color: 'black',
- style: {
- textShadow: '0 0 5px white'
- }
- }
- });
- seriesTypes.mappoint = Highcharts.extendClass(seriesTypes.scatter, {
- type: 'mappoint'
- });
-
-
-
- /**
- * A wrapper for Chart with all the default values for a Map
- */
- Highcharts.Map = function (options, callback) {
-
- var hiddenAxis = {
- endOnTick: false,
- gridLineWidth: 0,
- labels: {
- enabled: false
- },
- lineWidth: 0,
- minPadding: 0,
- maxPadding: 0,
- startOnTick: false,
- tickWidth: 0,
- title: null
- },
- seriesOptions;
-
- // Don't merge the data
- seriesOptions = options.series;
- options.series = null;
-
- options = merge({
- chart: {
- type: 'map',
- panning: 'xy'
- },
- xAxis: hiddenAxis,
- yAxis: merge(hiddenAxis, { reversed: true })
- },
- options, // user's options
-
- { // forced options
- chart: {
- inverted: false
- }
- });
-
- options.series = seriesOptions;
-
-
- return new Highcharts.Chart(options, callback);
- };
- }(Highcharts));
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