highcharts
Version:
JavaScript charting framework
189 lines (188 loc) • 6.02 kB
JavaScript
/* *
*
* (c) 2010-2024 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import H from '../../Core/Globals.js';
const { isTouchDevice } = H;
import U from '../../Core/Utilities.js';
const { addEvent, merge, pick } = U;
/* *
*
* Constants
*
* */
const composedMembers = [];
/* *
*
* Variables
*
* */
let NavigatorConstructor;
/* *
*
* Functions
*
* */
/**
* @private
*/
function compose(ChartClass, NavigatorClass) {
if (U.pushUnique(composedMembers, ChartClass)) {
const chartProto = ChartClass.prototype;
NavigatorConstructor = NavigatorClass;
chartProto.callbacks.push(onChartCallback);
addEvent(ChartClass, 'afterAddSeries', onChartAfterAddSeries);
addEvent(ChartClass, 'afterSetChartSize', onChartAfterSetChartSize);
addEvent(ChartClass, 'afterUpdate', onChartAfterUpdate);
addEvent(ChartClass, 'beforeRender', onChartBeforeRender);
addEvent(ChartClass, 'beforeShowResetZoom', onChartBeforeShowResetZoom);
addEvent(ChartClass, 'update', onChartUpdate);
}
}
/**
* Handle adding new series.
* @private
*/
function onChartAfterAddSeries() {
if (this.navigator) {
// Recompute which series should be shown in navigator, and add them
this.navigator.setBaseSeries(null, false);
}
}
/**
* For stock charts, extend the Chart.setChartSize method so that we can set the
* final top position of the navigator once the height of the chart, including
* the legend, is determined. #367. We can't use Chart.getMargins, because
* labels offsets are not calculated yet.
* @private
*/
function onChartAfterSetChartSize() {
const legend = this.legend, navigator = this.navigator;
let legendOptions, xAxis, yAxis;
if (navigator) {
legendOptions = legend && legend.options;
xAxis = navigator.xAxis;
yAxis = navigator.yAxis;
const { scrollbarHeight, scrollButtonSize } = navigator;
// Compute the top position
if (this.inverted) {
navigator.left = navigator.opposite ?
this.chartWidth - scrollbarHeight -
navigator.height :
this.spacing[3] + scrollbarHeight;
navigator.top = this.plotTop + scrollButtonSize;
}
else {
navigator.left = pick(xAxis.left, this.plotLeft + scrollButtonSize);
navigator.top = navigator.navigatorOptions.top ||
this.chartHeight -
navigator.height -
scrollbarHeight -
(this.scrollbar?.options.margin || 0) -
this.spacing[2] -
(this.rangeSelector && this.extraBottomMargin ?
this.rangeSelector.getHeight() :
0) -
((legendOptions &&
legendOptions.verticalAlign === 'bottom' &&
legendOptions.layout !== 'proximate' && // #13392
legendOptions.enabled &&
!legendOptions.floating) ?
legend.legendHeight +
pick(legendOptions.margin, 10) :
0) -
(this.titleOffset ? this.titleOffset[2] : 0);
}
if (xAxis && yAxis) { // False if navigator is disabled (#904)
if (this.inverted) {
xAxis.options.left = yAxis.options.left = navigator.left;
}
else {
xAxis.options.top = yAxis.options.top = navigator.top;
}
xAxis.setAxisSize();
yAxis.setAxisSize();
}
}
}
/**
* Initialize navigator, if no scrolling exists yet.
* @private
*/
function onChartAfterUpdate(event) {
if (!this.navigator && !this.scroller &&
(this.options.navigator.enabled ||
this.options.scrollbar.enabled)) {
this.scroller = this.navigator = new NavigatorConstructor(this);
if (pick(event.redraw, true)) {
this.redraw(event.animation); // #7067
}
}
}
/**
* Initialize navigator for stock charts
* @private
*/
function onChartBeforeRender() {
const options = this.options;
if (options.navigator.enabled ||
options.scrollbar.enabled) {
this.scroller = this.navigator = new NavigatorConstructor(this);
}
}
/**
* For Stock charts. For x only zooming, do not to create the zoom button
* because X axis zooming is already allowed by the Navigator and Range
* selector. (#9285)
* @private
*/
function onChartBeforeShowResetZoom() {
const chartOptions = this.options, navigator = chartOptions.navigator, rangeSelector = chartOptions.rangeSelector;
if (((navigator && navigator.enabled) ||
(rangeSelector && rangeSelector.enabled)) &&
((!isTouchDevice &&
this.zooming.type === 'x') ||
(isTouchDevice && this.zooming.pinchType === 'x'))) {
return false;
}
}
/**
* @private
*/
function onChartCallback(chart) {
const navigator = chart.navigator;
// Initialize the navigator
if (navigator && chart.xAxis[0]) {
const extremes = chart.xAxis[0].getExtremes();
navigator.render(extremes.min, extremes.max);
}
}
/**
* Merge options, if no scrolling exists yet
* @private
*/
function onChartUpdate(e) {
const navigatorOptions = (e.options.navigator || {}), scrollbarOptions = (e.options.scrollbar || {});
if (!this.navigator && !this.scroller &&
(navigatorOptions.enabled || scrollbarOptions.enabled)) {
merge(true, this.options.navigator, navigatorOptions);
merge(true, this.options.scrollbar, scrollbarOptions);
delete e.options.navigator;
delete e.options.scrollbar;
}
}
/* *
*
* Default Export
*
* */
const ChartNavigatorComposition = {
compose
};
export default ChartNavigatorComposition;