767 lines
20 KiB
JavaScript
767 lines
20 KiB
JavaScript
/* *
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* (c) 2010-2019 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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'use strict';
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import H from '../parts/Globals.js';
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import '../parts/Utilities.js';
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import '../parts/Options.js';
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import '../parts/Series.js';
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import '../parts/Point.js';
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var correctFloat = H.correctFloat,
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isNumber = H.isNumber,
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pick = H.pick,
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objectEach = H.objectEach,
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arrayMin = H.arrayMin,
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arrayMax = H.arrayMax,
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addEvent = H.addEvent,
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Axis = H.Axis,
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Chart = H.Chart,
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Point = H.Point,
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Series = H.Series,
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seriesType = H.seriesType,
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seriesTypes = H.seriesTypes;
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addEvent(Axis, 'afterInit', function () {
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if (!this.isXAxis) {
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this.waterfallStacks = {};
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}
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});
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addEvent(Chart, 'beforeRedraw', function () {
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var axes = this.axes,
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series = this.series,
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i = series.length;
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while (i--) {
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if (series[i].options.stacking) {
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axes.forEach(function (axis) {
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if (!axis.isXAxis) {
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axis.waterfallStacks = {};
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}
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});
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i = 0;
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}
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}
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});
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/**
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* A waterfall chart displays sequentially introduced positive or negative
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* values in cumulative columns.
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*
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* @sample highcharts/demo/waterfall/
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* Waterfall chart
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* @sample highcharts/plotoptions/waterfall-inverted/
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* Horizontal (inverted) waterfall
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* @sample highcharts/plotoptions/waterfall-stacked/
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* Stacked waterfall chart
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*
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* @extends plotOptions.column
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* @product highcharts
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* @optionparent plotOptions.waterfall
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*/
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seriesType('waterfall', 'column', {
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/**
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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* @apioption plotOptions.waterfall.color
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*/
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/**
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* The color used specifically for positive point columns. When not
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* specified, the general series color is used.
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*
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* In styled mode, the waterfall colors can be set with the
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* `.highcharts-point-negative`, `.highcharts-sum` and
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* `.highcharts-intermediate-sum` classes.
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*
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* @sample {highcharts} highcharts/demo/waterfall/
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* Waterfall
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*
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* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
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* @product highcharts
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* @apioption plotOptions.waterfall.upColor
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*/
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dataLabels: {
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/** @ignore-option */
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inside: true
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},
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/**
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* The width of the line connecting waterfall columns.
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*
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* @product highcharts
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*/
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lineWidth: 1,
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/**
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* The color of the line that connects columns in a waterfall series.
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*
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* In styled mode, the stroke can be set with the `.highcharts-graph` class.
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*
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* @type {Highcharts.ColorString}
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* @since 3.0
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* @product highcharts
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*/
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lineColor: '#333333',
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/**
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* A name for the dash style to use for the line connecting the columns
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* of the waterfall series. Possible values: Dash, DashDot, Dot, LongDash,
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* LongDashDot, LongDashDotDot, ShortDash, ShortDashDot, ShortDashDotDot,
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* ShortDot, Solid
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*
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* In styled mode, the stroke dash-array can be set with the
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* `.highcharts-graph` class.
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*
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* @type {Highcharts.DashStyleValue}
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* @since 3.0
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* @product highcharts
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*/
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dashStyle: 'Dot',
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/**
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* The color of the border of each waterfall column.
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*
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* In styled mode, the border stroke can be set with the
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* `.highcharts-point` class.
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*
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* @type {Highcharts.ColorString}
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* @since 3.0
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* @product highcharts
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*/
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borderColor: '#333333',
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states: {
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hover: {
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lineWidthPlus: 0 // #3126
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}
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}
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// Prototype members
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}, {
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pointValKey: 'y',
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// Property needed to prevent lines between the columns from disappearing
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// when negativeColor is used.
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showLine: true,
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// After generating points, set y-values for all sums.
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generatePoints: function () {
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var point,
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len,
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i,
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y;
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// Parent call:
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seriesTypes.column.prototype.generatePoints.apply(this);
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for (i = 0, len = this.points.length; i < len; i++) {
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point = this.points[i];
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y = this.processedYData[i];
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// override point value for sums
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// #3710 Update point does not propagate to sum
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if (point.isIntermediateSum || point.isSum) {
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point.y = correctFloat(y);
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}
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}
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},
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// Translate data points from raw values
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translate: function () {
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var series = this,
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options = series.options,
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yAxis = series.yAxis,
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len,
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i,
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points,
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point,
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shapeArgs,
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y,
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yValue,
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previousY,
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previousIntermediate,
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range,
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minPointLength = pick(options.minPointLength, 5),
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halfMinPointLength = minPointLength / 2,
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threshold = options.threshold,
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stacking = options.stacking,
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tooltipY,
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actualStack = yAxis.waterfallStacks[series.stackKey],
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actualStackX,
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total,
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pointY,
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yPos,
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hPos;
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// run column series translate
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seriesTypes.column.prototype.translate.apply(series);
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previousY = previousIntermediate = threshold;
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points = series.points;
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for (i = 0, len = points.length; i < len; i++) {
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// cache current point object
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point = points[i];
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yValue = series.processedYData[i];
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shapeArgs = point.shapeArgs;
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range = [0, yValue];
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pointY = point.y;
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// code responsible for correct positions of stacked points
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// starts here
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if (stacking) {
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if (actualStack) {
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actualStackX = actualStack[i];
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if (stacking === 'overlap') {
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total = actualStackX.threshold + actualStackX.total;
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actualStackX.total -= pointY;
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y = pointY >= 0 ? total : total - pointY;
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} else {
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if (pointY >= 0) {
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total = actualStackX.threshold +
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actualStackX.posTotal;
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actualStackX.posTotal -= pointY;
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y = total;
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} else {
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total = actualStackX.threshold +
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actualStackX.negTotal;
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actualStackX.negTotal -= pointY;
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y = total - pointY;
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}
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}
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if (!point.isSum) {
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// the connectorThreshold property is later used in
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// getCrispPath function to draw a connector line in a
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// correct place
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actualStackX.connectorThreshold =
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actualStackX.threshold + actualStackX.stackTotal;
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}
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if (yAxis.reversed) {
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yPos = (pointY >= 0) ? (y - pointY) : (y + pointY);
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hPos = y;
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} else {
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yPos = y;
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hPos = y - pointY;
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}
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point.below = yPos <= pick(threshold, 0);
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shapeArgs.y = yAxis.translate(yPos, 0, 1, 0, 1);
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shapeArgs.height = Math.abs(shapeArgs.y -
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yAxis.translate(hPos, 0, 1, 0, 1));
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}
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} else {
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// up points
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y = Math.max(previousY, previousY + pointY) + range[0];
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shapeArgs.y = yAxis.translate(y, 0, 1, 0, 1);
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// sum points
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if (point.isSum) {
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shapeArgs.y = yAxis.translate(range[1], 0, 1, 0, 1);
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shapeArgs.height = Math.min(
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yAxis.translate(range[0], 0, 1, 0, 1),
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yAxis.len
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) - shapeArgs.y; // #4256
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} else if (point.isIntermediateSum) {
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if (pointY >= 0) {
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yPos = range[1] + previousIntermediate;
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hPos = previousIntermediate;
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} else {
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yPos = previousIntermediate;
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hPos = range[1] + previousIntermediate;
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}
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if (yAxis.reversed) {
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// swapping values
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yPos ^= hPos;
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hPos ^= yPos;
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yPos ^= hPos;
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}
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shapeArgs.y = yAxis.translate(yPos, 0, 1, 0, 1);
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shapeArgs.height = Math.abs(shapeArgs.y - Math.min(
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yAxis.translate(hPos, 0, 1, 0, 1),
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yAxis.len
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));
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previousIntermediate += range[1];
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// If it's not the sum point, update previous stack end position
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// and get shape height (#3886)
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} else {
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shapeArgs.height = yValue > 0 ?
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yAxis.translate(previousY, 0, 1, 0, 1) - shapeArgs.y :
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yAxis.translate(previousY, 0, 1, 0, 1) -
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yAxis.translate(previousY - yValue, 0, 1, 0, 1);
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previousY += yValue;
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point.below = previousY < pick(threshold, 0);
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}
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// #3952 Negative sum or intermediate sum not rendered correctly
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if (shapeArgs.height < 0) {
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shapeArgs.y += shapeArgs.height;
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shapeArgs.height *= -1;
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}
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}
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point.plotY = shapeArgs.y = Math.round(shapeArgs.y) -
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(series.borderWidth % 2) / 2;
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// #3151
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shapeArgs.height = Math.max(Math.round(shapeArgs.height), 0.001);
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point.yBottom = shapeArgs.y + shapeArgs.height;
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if (shapeArgs.height <= minPointLength && !point.isNull) {
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shapeArgs.height = minPointLength;
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shapeArgs.y -= halfMinPointLength;
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point.plotY = shapeArgs.y;
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if (point.y < 0) {
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point.minPointLengthOffset = -halfMinPointLength;
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} else {
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point.minPointLengthOffset = halfMinPointLength;
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}
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} else {
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if (point.isNull) {
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shapeArgs.width = 0;
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}
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point.minPointLengthOffset = 0;
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}
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// Correct tooltip placement (#3014)
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tooltipY = point.plotY + (point.negative ? shapeArgs.height : 0);
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if (series.chart.inverted) {
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point.tooltipPos[0] = yAxis.len - tooltipY;
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} else {
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point.tooltipPos[1] = tooltipY;
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}
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}
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},
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// Call default processData then override yData to reflect waterfall's
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// extremes on yAxis
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processData: function (force) {
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var series = this,
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options = series.options,
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yData = series.yData,
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// #3710 Update point does not propagate to sum
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points = options.data,
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point,
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dataLength = yData.length,
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threshold = options.threshold || 0,
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subSum,
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sum,
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dataMin,
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dataMax,
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y,
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i;
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sum = subSum = dataMin = dataMax = 0;
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for (i = 0; i < dataLength; i++) {
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y = yData[i];
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point = points && points[i] ? points[i] : {};
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if (y === 'sum' || point.isSum) {
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yData[i] = correctFloat(sum);
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} else if (y === 'intermediateSum' || point.isIntermediateSum) {
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yData[i] = correctFloat(subSum);
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subSum = 0;
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} else {
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sum += y;
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subSum += y;
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}
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dataMin = Math.min(sum, dataMin);
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dataMax = Math.max(sum, dataMax);
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}
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Series.prototype.processData.call(this, force);
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// Record extremes only if stacking was not set:
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if (!options.stacking) {
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series.dataMin = dataMin + threshold;
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series.dataMax = dataMax;
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}
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},
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// Return y value or string if point is sum
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toYData: function (pt) {
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if (pt.isSum) {
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// #3245 Error when first element is Sum or Intermediate Sum
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return (pt.x === 0 ? null : 'sum');
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}
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if (pt.isIntermediateSum) {
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return (pt.x === 0 ? null : 'intermediateSum'); // #3245
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}
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return pt.y;
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},
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// Postprocess mapping between options and SVG attributes
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pointAttribs: function (point, state) {
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var upColor = this.options.upColor,
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attr;
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// Set or reset up color (#3710, update to negative)
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if (upColor && !point.options.color) {
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point.color = point.y > 0 ? upColor : null;
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}
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attr = seriesTypes.column.prototype.pointAttribs.call(
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this,
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point,
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state
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);
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// The dashStyle option in waterfall applies to the graph, not
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// the points
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delete attr.dashstyle;
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return attr;
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},
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// Return an empty path initially, because we need to know the stroke-width
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// in order to set the final path.
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getGraphPath: function () {
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return ['M', 0, 0];
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},
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// Draw columns' connector lines
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getCrispPath: function () {
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var data = this.data,
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yAxis = this.yAxis,
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length = data.length,
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graphNormalizer = Math.round(this.graph.strokeWidth()) % 2 / 2,
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borderNormalizer = Math.round(this.borderWidth) % 2 / 2,
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reversedXAxis = this.xAxis.reversed,
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reversedYAxis = this.yAxis.reversed,
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stacking = this.options.stacking,
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path = [],
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connectorThreshold,
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prevStack,
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prevStackX,
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prevPoint,
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yPos,
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isPos,
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prevArgs,
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pointArgs,
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i,
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d;
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for (i = 1; i < length; i++) {
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pointArgs = data[i].shapeArgs;
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prevPoint = data[i - 1];
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prevArgs = data[i - 1].shapeArgs;
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prevStack = yAxis.waterfallStacks[this.stackKey];
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isPos = prevPoint.y > 0 ? -prevArgs.height : 0;
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if (prevStack) {
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prevStackX = prevStack[i - 1];
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// y position of the connector is different when series are
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// stacked, yAxis is reversed and it also depends on point's
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// value
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if (stacking) {
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connectorThreshold = prevStackX.connectorThreshold;
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yPos = Math.round(
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(yAxis.translate(connectorThreshold, 0, 1, 0, 1) +
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(reversedYAxis ? isPos : 0))
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) - graphNormalizer;
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} else {
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yPos = prevArgs.y + prevPoint.minPointLengthOffset +
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borderNormalizer - graphNormalizer;
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}
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d = [
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'M',
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prevArgs.x + (reversedXAxis ? 0 : prevArgs.width),
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yPos,
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'L',
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pointArgs.x + (reversedXAxis ? pointArgs.width : 0),
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yPos
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];
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}
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if (
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!stacking &&
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(prevPoint.y < 0 && !reversedYAxis) ||
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(prevPoint.y > 0 && reversedYAxis)
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) {
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d[2] += prevArgs.height;
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d[5] += prevArgs.height;
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}
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path = path.concat(d);
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}
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return path;
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},
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// The graph is initially drawn with an empty definition, then updated with
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// crisp rendering.
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drawGraph: function () {
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Series.prototype.drawGraph.call(this);
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this.graph.attr({
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d: this.getCrispPath()
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});
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},
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// Waterfall has stacking along the x-values too.
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setStackedPoints: function () {
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var series = this,
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options = series.options,
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waterfallStacks = series.yAxis.waterfallStacks,
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seriesThreshold = options.threshold,
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stackThreshold = seriesThreshold || 0,
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interSum = seriesThreshold || 0,
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stackKey = series.stackKey,
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xData = series.xData,
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xLength = xData.length,
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actualStack,
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actualStackX,
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posTotal,
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negTotal,
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xPoint,
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yVal,
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x;
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// code responsible for creating stacks for waterfall series
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if (series.visible || !series.chart.options.chart.ignoreHiddenSeries) {
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if (!waterfallStacks[stackKey]) {
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waterfallStacks[stackKey] = {};
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}
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actualStack = waterfallStacks[stackKey];
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for (var i = 0; i < xLength; i++) {
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x = xData[i];
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if (!actualStack[x]) {
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actualStack[x] = {
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negTotal: 0,
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posTotal: 0,
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total: 0,
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stackTotal: 0,
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threshold: 0,
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stackState: [stackThreshold]
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};
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}
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actualStackX = actualStack[x];
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yVal = series.yData[i];
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if (yVal >= 0) {
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actualStackX.posTotal += yVal;
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} else {
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actualStackX.negTotal += yVal;
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}
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// points do not exist yet, so raw data is used
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xPoint = options.data[i];
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posTotal = actualStackX.posTotal;
|
|
negTotal = actualStackX.negTotal;
|
|
|
|
if (xPoint && xPoint.isIntermediateSum) {
|
|
// swapping values
|
|
stackThreshold ^= interSum;
|
|
interSum ^= stackThreshold;
|
|
stackThreshold ^= interSum;
|
|
} else if (xPoint && xPoint.isSum) {
|
|
stackThreshold = seriesThreshold;
|
|
}
|
|
|
|
actualStackX.stackTotal = posTotal + negTotal;
|
|
actualStackX.total = actualStackX.stackTotal;
|
|
actualStackX.threshold = stackThreshold;
|
|
|
|
actualStackX.stackState[0] = stackThreshold;
|
|
actualStackX.stackState.push(actualStackX.stackTotal);
|
|
|
|
stackThreshold += actualStackX.stackTotal;
|
|
}
|
|
}
|
|
},
|
|
|
|
// Extremes for a non-stacked series are recorded in processData.
|
|
// In case of stacking, use Series.stackedYData to calculate extremes.
|
|
getExtremes: function () {
|
|
var stacking = this.options.stacking,
|
|
yAxis,
|
|
waterfallStacks,
|
|
stackedYNeg,
|
|
stackedYPos,
|
|
states,
|
|
firstState;
|
|
|
|
if (stacking) {
|
|
yAxis = this.yAxis;
|
|
waterfallStacks = yAxis.waterfallStacks;
|
|
stackedYNeg = this.stackedYNeg = [];
|
|
stackedYPos = this.stackedYPos = [];
|
|
|
|
// the visible y range can be different when stacking is set to
|
|
// overlap and different when it's set to normal
|
|
if (stacking === 'overlap') {
|
|
objectEach(waterfallStacks[this.stackKey], function (stackX) {
|
|
|
|
states = [];
|
|
stackX.stackState.forEach(function (state, stateIndex) {
|
|
firstState = stackX.stackState[0];
|
|
|
|
if (stateIndex) {
|
|
states.push(state + firstState);
|
|
} else {
|
|
states.push(firstState);
|
|
}
|
|
});
|
|
|
|
stackedYNeg.push(arrayMin(states));
|
|
stackedYPos.push(arrayMax(states));
|
|
});
|
|
} else {
|
|
objectEach(waterfallStacks[this.stackKey], function (stackX) {
|
|
stackedYNeg.push(stackX.negTotal + stackX.threshold);
|
|
stackedYPos.push(stackX.posTotal + stackX.threshold);
|
|
});
|
|
}
|
|
|
|
this.dataMin = arrayMin(stackedYNeg);
|
|
this.dataMax = arrayMax(stackedYPos);
|
|
}
|
|
}
|
|
|
|
|
|
// Point members
|
|
}, {
|
|
getClassName: function () {
|
|
var className = Point.prototype.getClassName.call(this);
|
|
|
|
if (this.isSum) {
|
|
className += ' highcharts-sum';
|
|
} else if (this.isIntermediateSum) {
|
|
className += ' highcharts-intermediate-sum';
|
|
}
|
|
return className;
|
|
},
|
|
// Pass the null test in ColumnSeries.translate.
|
|
isValid: function () {
|
|
return isNumber(this.y, true) || this.isSum || this.isIntermediateSum;
|
|
}
|
|
|
|
});
|
|
|
|
/**
|
|
* A `waterfall` series. If the [type](#series.waterfall.type) option
|
|
* is not specified, it is inherited from [chart.type](#chart.type).
|
|
*
|
|
* @extends series,plotOptions.waterfall
|
|
* @excluding dataParser, dataURL
|
|
* @product highcharts
|
|
* @apioption series.waterfall
|
|
*/
|
|
|
|
/**
|
|
* An array of data points for the series. For the `waterfall` 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 `y` options. The `x` values will be automatically
|
|
* calculated, either starting at 0 and incremented by 1, or from
|
|
* `pointStart` and `pointInterval` given in the series options. If the axis
|
|
* has categories, these will be used. Example:
|
|
* ```js
|
|
* data: [0, 5, 3, 5]
|
|
* ```
|
|
*
|
|
* 2. An array of arrays with 2 values. In this case, the values correspond to
|
|
* `x,y`. If the first value is a string, it is applied as the name of the
|
|
* point, and the `x` value is inferred.
|
|
* ```js
|
|
* data: [
|
|
* [0, 7],
|
|
* [1, 8],
|
|
* [2, 3]
|
|
* ]
|
|
* ```
|
|
*
|
|
* 3. 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.waterfall.turboThreshold), this option is not
|
|
* available.
|
|
* ```js
|
|
* data: [{
|
|
* x: 1,
|
|
* y: 8,
|
|
* name: "Point2",
|
|
* color: "#00FF00"
|
|
* }, {
|
|
* x: 1,
|
|
* y: 8,
|
|
* name: "Point1",
|
|
* color: "#FF00FF"
|
|
* }]
|
|
* ```
|
|
*
|
|
* @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
|
|
*
|
|
* @type {Array<number|Array<(number|string),(number|null)>|null|*>}
|
|
* @extends series.line.data
|
|
* @excluding marker
|
|
* @product highcharts
|
|
* @apioption series.waterfall.data
|
|
*/
|
|
|
|
|
|
/**
|
|
* When this property is true, the points acts as a summary column for
|
|
* the values added or substracted since the last intermediate sum,
|
|
* or since the start of the series. The `y` value is ignored.
|
|
*
|
|
* @sample {highcharts} highcharts/demo/waterfall/
|
|
* Waterfall
|
|
*
|
|
* @type {boolean}
|
|
* @default false
|
|
* @product highcharts
|
|
* @apioption series.waterfall.data.isIntermediateSum
|
|
*/
|
|
|
|
/**
|
|
* When this property is true, the point display the total sum across
|
|
* the entire series. The `y` value is ignored.
|
|
*
|
|
* @sample {highcharts} highcharts/demo/waterfall/
|
|
* Waterfall
|
|
*
|
|
* @type {boolean}
|
|
* @default false
|
|
* @product highcharts
|
|
* @apioption series.waterfall.data.isSum
|
|
*/
|