highcharts
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JavaScript charting framework
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JavaScript
/* *
*
* Author: Pawel Lysy
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import ControllableMixin from '../Mixins/ControllableMixin.js';
import ControllablePath from './ControllablePath.js';
import U from '../../../Core/Utilities.js';
var merge = U.merge, defined = U.defined;
/**
* A controllable ellipse class.
*
* @requires modules/annotations
*
* @private
* @class
* @name Highcharts.AnnotationControllableEllipse
*
* @param {Highcharts.Annotation} annotation an annotation instance
* @param {Highcharts.AnnotationsShapeOptions} options a shape's options
* @param {number} index of the Ellipse
*/
var ControllableEllipse = /** @class */ (function () {
/* *
*
* Constructor
*
* */
function ControllableEllipse(annotation, options, index) {
/* *
*
* Properties
*
* */
this.addControlPoints = ControllableMixin.addControlPoints;
this.anchor = ControllableMixin.anchor;
this.attr = ControllableMixin.attr;
this.attrsFromOptions = ControllableMixin.attrsFromOptions;
this.destroy = ControllableMixin.destroy;
this.getPointsOptions = ControllableMixin.getPointsOptions;
this.linkPoints = ControllableMixin.linkPoints;
this.point = ControllableMixin.point;
this.scale = ControllableMixin.scale;
this.setControlPointsVisibility = (ControllableMixin.setControlPointsVisibility);
this.shouldBeDrawn = ControllableMixin.shouldBeDrawn;
this.transform = ControllableMixin.transform;
this.translatePoint = ControllableMixin.translatePoint;
this.transformPoint = ControllableMixin.transformPoint;
/**
* @type 'ellipse'
*/
this.type = 'ellipse';
this.init(annotation, options, index);
this.collection = 'shapes';
}
/* *
*
* Functions
*
* */
ControllableEllipse.prototype.init = function (annotation, options, index) {
if (defined(options.yAxis)) {
options.points.forEach(function (point) {
point.yAxis = options.yAxis;
});
}
if (defined(options.xAxis)) {
options.points.forEach(function (point) {
point.xAxis = options.xAxis;
});
}
ControllableMixin.init.call(this, annotation, options, index);
};
/**
*
* Render the element
* @param parent parent SVG element.
*/
ControllableEllipse.prototype.render = function (parent) {
this.graphic = this.annotation.chart.renderer.createElement('ellipse')
.attr(this.attrsFromOptions(this.options))
.add(parent);
ControllableMixin.render.call(this);
};
/**
* Translate the points.
* Mostly used to handle dragging of the ellipse.
*/
ControllableEllipse.prototype.translate = function (dx, dy) {
ControllableMixin.translateShape.call(this, dx, dy, true);
};
/**
* Get the distance from the line to the point.
* @param point1 first point which is on the line
* @param point2 second point
* @param x0 point's x value from which you want to calculate the distance from
* @param y0 point's y value from which you want to calculate the distance from
*/
ControllableEllipse.prototype.getDistanceFromLine = function (point1, point2, x0, y0) {
return Math.abs((point2.y - point1.y) * x0 - (point2.x - point1.x) * y0 +
point2.x * point1.y - point2.y * point1.x) / Math.sqrt((point2.y - point1.y) * (point2.y - point1.y) +
(point2.x - point1.x) * (point2.x - point1.x));
};
/**
* The fuction calculates the svg attributes of the ellipse, and returns all
* parameters neccessary to draw the ellipse.
* @param position absolute position of the first point in points array
* @param position2 absolute position of the second point in points array
*/
ControllableEllipse.prototype.getAttrs = function (position, position2) {
var x1 = position.x, y1 = position.y, x2 = position2.x, y2 = position2.y, cx = (x1 + x2) / 2, cy = (y1 + y2) / 2, rx = Math.sqrt((x1 - x2) * (x1 - x2) / 4 + (y1 - y2) * (y1 - y2) / 4), tan = (y2 - y1) / (x2 - x1);
var angle = Math.atan(tan) * 180 / Math.PI;
if (cx < x1) {
angle += 180;
}
var ry = this.getRY();
return { cx: cx, cy: cy, rx: rx, ry: ry, angle: angle };
};
/**
* Get the value of minor radius of the ellipse.
*/
ControllableEllipse.prototype.getRY = function () {
var yAxis = this.getYAxis();
return defined(yAxis) ?
Math.abs(yAxis.toPixels(this.options.ry) - yAxis.toPixels(0)) :
this.options.ry;
};
/**
* get the yAxis object to which the ellipse is pinned.
*/
ControllableEllipse.prototype.getYAxis = function () {
var yAxisIndex = this.options.yAxis;
return this.chart.yAxis[yAxisIndex];
};
/**
* Get the absolute coordinates of the MockPoint
* @param point MockPoint that is added through options
*/
ControllableEllipse.prototype.getAbsolutePosition = function (point) {
return this.anchor(point).absolutePosition;
};
/**
*
* Redraw the element
* @param animation display an annimation
*/
ControllableEllipse.prototype.redraw = function (animation) {
var position = this.getAbsolutePosition(this.points[0]), position2 = this.getAbsolutePosition(this.points[1]), attrs = this.getAttrs(position, position2);
if (position) {
this.graphic[animation ? 'animate' : 'attr']({
cx: attrs.cx,
cy: attrs.cy,
rx: attrs.rx,
ry: attrs.ry,
rotation: attrs.angle,
rotationOriginX: attrs.cx,
rotationOriginY: attrs.cy
});
}
else {
this.graphic.attr({
x: 0,
y: -9e9
});
}
this.graphic.placed = Boolean(position);
ControllableMixin.redraw.call(this, animation);
};
/**
* Set the radius Y.
*
* @param {number} ry a radius in y direction to be set
*/
ControllableEllipse.prototype.setYRadius = function (ry) {
this.options.ry = ry;
this.annotation.userOptions.shapes[0].ry = ry;
this.annotation.options.shapes[0].ry = ry;
};
/* *
*
* Static Properties
*
* */
/**
* A map object which allows to map options attributes to element
* attributes.
*
* @name Highcharts.AnnotationControllableEllipse.attrsMap
* @type {Highcharts.Dictionary<string>}
*/
ControllableEllipse.attrsMap = merge(ControllablePath.attrsMap, {
ry: 'ry'
});
return ControllableEllipse;
}());
export default ControllableEllipse;