vis.js is a dynamic, browser-based visualization library
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'use strict';
import NodeBase from '../util/NodeBase'
class Box extends NodeBase {
constructor (options, body, labelModule) {
super(options,body,labelModule);
this._setMargins(labelModule);
}
resize(ctx, selected = this.selected, hover = this.hover) {
if (this.needsRefresh(selected, hover)) {
this.textSize = this.labelModule.getTextSize(ctx, selected, hover);
this.width = this.textSize.width + this.margin.right + this.margin.left;
this.height = this.textSize.height + this.margin.top + this.margin.bottom;
this.radius = this.width / 2;
}
}
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.initContextForDraw(ctx, values);
ctx.roundRect(this.left, this.top, this.width, this.height, values.borderRadius);
this.performFill(ctx, values);
this.updateBoundingBox(x, y, ctx, selected, hover);
this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
this.top + this.textSize.height / 2 + this.margin.top, selected, hover);
}
updateBoundingBox(x, y, ctx, selected, hover) {
this._updateBoundingBox(x, y, ctx, selected, hover);
let borderRadius = this.options.shapeProperties.borderRadius; // only effective for box
this._addBoundingBoxMargin(borderRadius);
}
distanceToBorder(ctx, angle) {
this.resize(ctx);
let borderWidth = this.options.borderWidth;
return Math.min(
Math.abs((this.width) / 2 / Math.cos(angle)),
Math.abs((this.height) / 2 / Math.sin(angle))) + borderWidth;
}
}
export default Box;