import NodeBase from '../util/NodeBase' class ShapeBase extends NodeBase { constructor(options, body, labelModule) { super(options, body, labelModule) } _resizeShape() { if (this.width === undefined) { var size = 2 * this.options.size; this.width = size; this.height = size; this.radius = 0.5*this.width; } } _drawShape(ctx, shape, sizeMultiplier, x, y, selected, hover) { this._resizeShape(); this.left = x - this.width / 2; this.top = y - this.height / 2; var borderWidth = this.options.borderWidth; var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth; ctx.strokeStyle = selected ? this.options.color.highlight.border : hover ? this.options.color.hover.border : this.options.color.border; ctx.lineWidth = (selected ? selectionLineWidth : borderWidth); ctx.lineWidth /= this.body.view.scale; ctx.lineWidth = Math.min(this.width, ctx.lineWidth); ctx.fillStyle = selected ? this.options.color.highlight.background : hover ? this.options.color.hover.background : this.options.color.background; ctx[shape](x, y, this.options.size); // draw shadow if enabled this.enableShadow(ctx); // draw the background ctx.fill(); // disable shadows for other elements. this.disableShadow(ctx); //draw dashed border if enabled, save and restore is required for firefox not to crash on unix. ctx.save(); this.enableBorderDashes(ctx); //draw the border ctx.stroke(); //disable dashed border for other elements this.disableBorderDashes(ctx); ctx.restore(); if (this.options.label !== undefined) { let yLabel = y + 0.5 * this.height + 3; // the + 3 is to offset it a bit below the node. this.labelModule.draw(ctx, x, yLabel, selected, 'hanging'); } this.updateBoundingBox(x,y); } 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; if (this.options.label !== undefined && this.labelModule.size.width > 0) { this.boundingBox.left = Math.min(this.boundingBox.left, this.labelModule.size.left); this.boundingBox.right = Math.max(this.boundingBox.right, this.labelModule.size.left + this.labelModule.size.width); this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelModule.size.height + 3); } } } export default ShapeBase;