vis.js is a dynamic, browser-based visualization library
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'use strict';
import CircleImageBase from '../util/CircleImageBase'
/**
* A Circle Node/Cluster shape.
*
* @extends CircleImageBase
*/
class Circle extends CircleImageBase {
/**
* @param {Object} options
* @param {Object} body
* @param {Label} labelModule
*/
constructor(options, body, labelModule) {
super(options, body, labelModule);
this._setMargins(labelModule);
}
/**
*
* @param {CanvasRenderingContext2D} ctx
* @param {boolean} [selected]
* @param {boolean} [hover]
*/
resize(ctx, selected = this.selected, hover = this.hover) {
if (this.needsRefresh(selected, hover)) {
var dimensions = this.getDimensionsFromLabel(ctx, selected, hover);
var diameter = Math.max(dimensions.width + this.margin.right + this.margin.left,
dimensions.height + this.margin.top + this.margin.bottom);
this.options.size = diameter / 2; // NOTE: this size field only set here, not in Ellipse, Database, Box
this.width = diameter;
this.height = diameter;
this.radius = this.width / 2;
}
}
/**
*
* @param {CanvasRenderingContext2D} ctx
* @param {number} x width
* @param {number} y height
* @param {boolean} selected
* @param {boolean} hover
* @param {{toArrow: boolean, toArrowScale: (allOptions.edges.arrows.to.scaleFactor|{number}|allOptions.edges.arrows.middle.scaleFactor|allOptions.edges.arrows.from.scaleFactor|Array|number), toArrowType: *, middleArrow: boolean, middleArrowScale: (number|allOptions.edges.arrows.middle.scaleFactor|{number}|Array), middleArrowType: (allOptions.edges.arrows.middle.type|{string}|string|*), fromArrow: boolean, fromArrowScale: (allOptions.edges.arrows.to.scaleFactor|{number}|allOptions.edges.arrows.middle.scaleFactor|allOptions.edges.arrows.from.scaleFactor|Array|number), fromArrowType: *, arrowStrikethrough: (*|boolean|allOptions.edges.arrowStrikethrough|{boolean}), color: undefined, inheritsColor: (string|string|string|allOptions.edges.color.inherit|{string, boolean}|Array|*), opacity: *, hidden: *, length: *, shadow: *, shadowColor: *, shadowSize: *, shadowX: *, shadowY: *, dashes: (*|boolean|Array|allOptions.edges.dashes|{boolean, array}), width: *}} values
*/
draw(ctx, x, y, selected, hover, values) {
this.resize(ctx, selected, hover);
this.left = x - this.width / 2;
this.top = y - this.height / 2;
this._drawRawCircle(ctx, x, y, values);
this.updateBoundingBox(x,y);
this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
y, selected, hover);
}
/**
*
* @param {number} x width
* @param {number} y height
*/
updateBoundingBox(x, y) {
this.boundingBox.top = y - this.options.size;
this.boundingBox.left = x - this.options.size;
this.boundingBox.right = x + this.options.size;
this.boundingBox.bottom = y + this.options.size;
}
/**
*
* @param {CanvasRenderingContext2D} ctx
* @param {number} angle - Unused
* @returns {number}
*/
distanceToBorder(ctx, angle) { // eslint-disable-line no-unused-vars
this.resize(ctx);
return this.width * 0.5;
}
}
export default Circle;