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92 lines
3.4 KiB
92 lines
3.4 KiB
'use strict';
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import NodeBase from '../util/NodeBase'
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/**
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* A Box Node/Cluster shape.
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*
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* @class Box
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* @extends NodeBase
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*/
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class Box extends NodeBase {
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/**
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* @param {Object} options
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* @param {Object} body
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* @param {Label} labelModule
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* @constructor Box
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*/
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constructor (options, body, labelModule) {
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super(options,body,labelModule);
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this._setMargins(labelModule);
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx
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* @param {boolean} [selected]
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* @param {boolean} [hover]
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*/
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resize(ctx, selected = this.selected, hover = this.hover) {
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if (this.needsRefresh(selected, hover)) {
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this.textSize = this.labelModule.getTextSize(ctx, selected, hover);
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this.width = this.textSize.width + this.margin.right + this.margin.left;
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this.height = this.textSize.height + this.margin.top + this.margin.bottom;
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this.radius = this.width / 2;
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}
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx
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* @param {number} x width
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* @param {number} y height
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* @param {boolean} selected
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* @param {boolean} hover
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* @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
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*/
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draw(ctx, x, y, selected, hover, values) {
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this.resize(ctx, selected, hover);
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this.left = x - this.width / 2;
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this.top = y - this.height / 2;
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this.initContextForDraw(ctx, values);
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ctx.roundRect(this.left, this.top, this.width, this.height, values.borderRadius);
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this.performFill(ctx, values);
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this.updateBoundingBox(x, y, ctx, selected, hover);
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this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
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this.top + this.textSize.height / 2 + this.margin.top, selected, hover);
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}
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/**
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*
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* @param {number} x width
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* @param {number} y height
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* @param {CanvasRenderingContext2D} ctx
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* @param {boolean} selected
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* @param {boolean} hover
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*/
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updateBoundingBox(x, y, ctx, selected, hover) {
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this._updateBoundingBox(x, y, ctx, selected, hover);
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let borderRadius = this.options.shapeProperties.borderRadius; // only effective for box
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this._addBoundingBoxMargin(borderRadius);
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}
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/**
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*
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* @param {CanvasRenderingContext2D} ctx
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* @param {number} angle
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* @returns {number}
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*/
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distanceToBorder(ctx, angle) {
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this.resize(ctx);
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let borderWidth = this.options.borderWidth;
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return Math.min(
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Math.abs((this.width) / 2 / Math.cos(angle)),
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Math.abs((this.height) / 2 / Math.sin(angle))) + borderWidth;
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}
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}
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export default Box;
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