forked from qwerty/tupali
158 lines
5.5 KiB
JavaScript
158 lines
5.5 KiB
JavaScript
/* *
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*
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* (c) 2010-2020 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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import Axis from '../parts/Axis.js';
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import U from '../parts/Utilities.js';
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var addEvent = U.addEvent, pick = U.pick;
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/**
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* Map support for axes.
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* @private
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* @class
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*/
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var MapAxisAdditions = /** @class */ (function () {
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/* *
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*
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* Constructors
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*
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* */
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function MapAxisAdditions(axis) {
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this.axis = axis;
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}
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return MapAxisAdditions;
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}());
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/**
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* Axis with map support.
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* @private
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* @class
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*/
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var MapAxis = /** @class */ (function () {
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function MapAxis() {
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}
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/**
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* Extends axes with map support.
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* @private
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*
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* @param {Highcharts.Axis} AxisClass
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* Axis class to extend.
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*/
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MapAxis.compose = function (AxisClass) {
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AxisClass.keepProps.push('mapAxis');
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/* eslint-disable no-invalid-this */
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addEvent(AxisClass, 'init', function () {
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var axis = this;
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if (!axis.mapAxis) {
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axis.mapAxis = new MapAxisAdditions(axis);
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}
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});
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// Override to use the extreme coordinates from the SVG shape, not the
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// data values
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addEvent(AxisClass, 'getSeriesExtremes', function () {
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if (!this.mapAxis) {
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return;
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}
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var axis = this;
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var xData = [];
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// Remove the xData array and cache it locally so that the proceed
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// method doesn't use it
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if (axis.isXAxis) {
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axis.series.forEach(function (series, i) {
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if (series.useMapGeometry) {
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xData[i] = series.xData;
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series.xData = [];
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}
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});
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axis.mapAxis.seriesXData = xData;
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}
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});
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addEvent(AxisClass, 'afterGetSeriesExtremes', function () {
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if (!this.mapAxis) {
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return;
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}
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var axis = this;
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var xData = axis.mapAxis.seriesXData || [];
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var dataMin, dataMax, useMapGeometry;
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// Run extremes logic for map and mapline
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if (axis.isXAxis) {
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dataMin = pick(axis.dataMin, Number.MAX_VALUE);
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dataMax = pick(axis.dataMax, -Number.MAX_VALUE);
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axis.series.forEach(function (series, i) {
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if (series.useMapGeometry) {
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dataMin = Math.min(dataMin, pick(series.minX, dataMin));
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dataMax = Math.max(dataMax, pick(series.maxX, dataMax));
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series.xData = xData[i]; // Reset xData array
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useMapGeometry = true;
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}
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});
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if (useMapGeometry) {
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axis.dataMin = dataMin;
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axis.dataMax = dataMax;
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}
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axis.mapAxis.seriesXData = void 0;
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}
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});
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// Override axis translation to make sure the aspect ratio is always
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// kept
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addEvent(AxisClass, 'afterSetAxisTranslation', function () {
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if (!this.mapAxis) {
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return;
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}
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var axis = this;
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var chart = axis.chart;
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var plotRatio = chart.plotWidth / chart.plotHeight;
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var xAxis = chart.xAxis[0];
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var mapRatio, adjustedAxisLength, padAxis, fixTo, fixDiff, preserveAspectRatio;
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// Check for map-like series
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if (axis.coll === 'yAxis' && typeof xAxis.transA !== 'undefined') {
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axis.series.forEach(function (series) {
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if (series.preserveAspectRatio) {
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preserveAspectRatio = true;
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}
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});
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}
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// On Y axis, handle both
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if (preserveAspectRatio) {
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// Use the same translation for both axes
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axis.transA = xAxis.transA = Math.min(axis.transA, xAxis.transA);
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mapRatio = plotRatio / ((xAxis.max - xAxis.min) /
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(axis.max - axis.min));
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// What axis to pad to put the map in the middle
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padAxis = mapRatio < 1 ? axis : xAxis;
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// Pad it
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adjustedAxisLength =
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(padAxis.max - padAxis.min) * padAxis.transA;
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padAxis.mapAxis.pixelPadding = padAxis.len - adjustedAxisLength;
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padAxis.minPixelPadding = padAxis.mapAxis.pixelPadding / 2;
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fixTo = padAxis.mapAxis.fixTo;
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if (fixTo) {
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fixDiff = fixTo[1] - padAxis.toValue(fixTo[0], true);
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fixDiff *= padAxis.transA;
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if (Math.abs(fixDiff) > padAxis.minPixelPadding ||
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(padAxis.min === padAxis.dataMin &&
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padAxis.max === padAxis.dataMax)) { // zooming out again, keep within restricted area
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fixDiff = 0;
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}
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padAxis.minPixelPadding -= fixDiff;
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}
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}
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});
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// Override Axis.render in order to delete the fixTo prop
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addEvent(AxisClass, 'render', function () {
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var axis = this;
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if (axis.mapAxis) {
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axis.mapAxis.fixTo = void 0;
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}
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});
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/* eslint-enable no-invalid-this */
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};
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return MapAxis;
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}());
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MapAxis.compose(Axis); // @todo move to factory functions
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export default MapAxis;
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