highcharts
Version:
JavaScript charting framework
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JavaScript
/* *
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
;
import Annotation from '../Annotation.js';
import InfinityLine from './InfinityLine.js';
import MockPoint from '../MockPoint.js';
import U from '../../../Core/Utilities.js';
const { merge } = U;
/* *
*
* Class
*
* */
class Pitchfork extends InfinityLine {
/* *
*
* Static Functions
*
* */
static outerLineEdgePoint(firstPointIndex) {
return function (target) {
const annotation = target.annotation, points = annotation.points;
return Pitchfork.findEdgePoint(points[firstPointIndex], points[0], new MockPoint(annotation.chart, target, annotation.midPointOptions()));
};
}
static findEdgePoint(point, firstAnglePoint, secondAnglePoint) {
const angle = Math.atan2((secondAnglePoint.plotY -
firstAnglePoint.plotY), secondAnglePoint.plotX - firstAnglePoint.plotX), distance = 1e7;
return {
x: point.plotX + distance * Math.cos(angle),
y: point.plotY + distance * Math.sin(angle)
};
}
static middleLineEdgePoint(target) {
const annotation = target.annotation, points = annotation.points;
return InfinityLine.findEdgePoint(points[0], new MockPoint(annotation.chart, target, annotation.midPointOptions()));
}
/* *
*
* Functions
*
* */
midPointOptions() {
const points = this.points;
return {
x: (points[1].x + points[2].x) / 2,
y: (points[1].y + points[2].y) / 2,
xAxis: points[0].series.xAxis,
yAxis: points[0].series.yAxis
};
}
addShapes() {
this.addLines();
this.addBackgrounds();
}
addLines() {
const className = 'highcharts-pitchfork-lines';
this.initShape({
type: 'path',
points: [
this.points[0],
Pitchfork.middleLineEdgePoint
],
className
}, 0);
this.initShape({
type: 'path',
points: [
this.points[1],
Pitchfork.topLineEdgePoint
],
className
}, 1);
this.initShape({
type: 'path',
points: [
this.points[2],
Pitchfork.bottomLineEdgePoint
],
className
}, 2);
}
addBackgrounds() {
const shapes = this.shapes, typeOptions = this.options.typeOptions;
const innerBackground = this.initShape(merge(typeOptions.innerBackground, {
type: 'path',
points: [
function (target) {
const annotation = target.annotation, points = annotation.points, midPointOptions = annotation.midPointOptions();
return {
x: (points[1].x + midPointOptions.x) / 2,
y: (points[1].y + midPointOptions.y) / 2,
xAxis: midPointOptions.xAxis,
yAxis: midPointOptions.yAxis
};
},
shapes[1].points[1],
shapes[2].points[1],
function (target) {
const annotation = target.annotation, points = annotation.points, midPointOptions = annotation.midPointOptions();
return {
x: (midPointOptions.x + points[2].x) / 2,
y: (midPointOptions.y + points[2].y) / 2,
xAxis: midPointOptions.xAxis,
yAxis: midPointOptions.yAxis
};
}
],
className: 'highcharts-pitchfork-inner-background'
}), 3);
const outerBackground = this.initShape(merge(typeOptions.outerBackground, {
type: 'path',
points: [
this.points[1],
shapes[1].points[1],
shapes[2].points[1],
this.points[2]
],
className: 'highcharts-pitchfork-outer-background'
}), 4);
typeOptions.innerBackground = innerBackground.options;
typeOptions.outerBackground = outerBackground.options;
}
}
/* *
*
* Static Properties
*
* */
Pitchfork.topLineEdgePoint = Pitchfork.outerLineEdgePoint(1);
Pitchfork.bottomLineEdgePoint = Pitchfork.outerLineEdgePoint(0);
Pitchfork.prototype.defaultOptions = merge(InfinityLine.prototype.defaultOptions,
/**
* A pitchfork annotation.
*
* @sample highcharts/annotations-advanced/pitchfork/
* Pitchfork
*
* @extends annotations.infinityLine
* @product highstock
* @optionparent annotations.pitchfork
*/
{
typeOptions: {
/**
* Inner background options.
*
* @extends annotations.crookedLine.shapeOptions
* @excluding height, r, type, width
*/
innerBackground: {
fill: 'rgba(130, 170, 255, 0.4)',
strokeWidth: 0
},
/**
* Outer background options.
*
* @extends annotations.crookedLine.shapeOptions
* @excluding height, r, type, width
*/
outerBackground: {
fill: 'rgba(156, 229, 161, 0.4)',
strokeWidth: 0
}
}
});
Annotation.types.pitchfork = Pitchfork;
/* *
*
* Default Export
*
* */
export default Pitchfork;