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77 lines
2.6 KiB
77 lines
2.6 KiB
'use strict';
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import NodeBase from '../util/NodeBase'
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class Database extends NodeBase {
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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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resize(ctx, selected) {
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if (this.width === undefined) {
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this.textSize = this.labelModule.getTextSize(ctx, selected);
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var size = this.textSize.width + this.margin.right + this.margin.left;
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this.width = size;
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this.height = size;
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this.radius = this.width / 2;
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}
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}
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draw(ctx, x, y, selected, hover) {
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this.resize(ctx, selected);
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this.left = x - this.width / 2;
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this.top = y - this.height / 2;
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var neutralborderWidth = this.options.borderWidth;
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var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;
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var borderWidth = (selected ? selectionLineWidth : neutralborderWidth) / this.body.view.scale;
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ctx.lineWidth = Math.min(this.width, borderWidth);
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ctx.strokeStyle = selected ? this.options.color.highlight.border : hover ? this.options.color.hover.border : this.options.color.border;
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ctx.fillStyle = selected ? this.options.color.highlight.background : hover ? this.options.color.hover.background : this.options.color.background;
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ctx.database(x - this.width / 2, y - this.height / 2, this.width, this.height);
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// draw shadow if enabled
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this.enableShadow(ctx);
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// draw the background
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ctx.fill();
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// disable shadows for other elements.
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this.disableShadow(ctx);
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//draw dashed border if enabled, save and restore is required for firefox not to crash on unix.
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ctx.save();
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// if borders are zero width, they will be drawn with width 1 by default. This prevents that
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if (borderWidth > 0) {
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this.enableBorderDashes(ctx);
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//draw the border
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ctx.stroke();
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//disable dashed border for other elements
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this.disableBorderDashes(ctx);
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}
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ctx.restore();
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this.updateBoundingBox(x,y,ctx,selected);
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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);
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}
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updateBoundingBox(x,y,ctx, selected) {
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this.resize(ctx, selected);
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this.left = x - this.width * 0.5;
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this.top = y - this.height * 0.5;
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this.boundingBox.left = this.left;
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this.boundingBox.top = this.top;
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this.boundingBox.bottom = this.top + this.height;
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this.boundingBox.right = this.left + this.width;
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}
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distanceToBorder(ctx, angle) {
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return this._distanceToBorder(ctx,angle);
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}
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}
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export default Database;
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