81 lines
1.9 KiB
JavaScript
81 lines
1.9 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var hasExternalLabel = require('../util/Label').hasExternalLabel,
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isExpanded = require('../util/Di').isExpanded;
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/**
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* An importer that adds bpmn elements to the canvas
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*
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* @param {EventBus} eventBus
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* @param {Canvas} canvas
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*/
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function BpmnImporter(eventBus, canvas, elementFactory) {
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this._eventBus = eventBus;
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this._canvas = canvas;
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this._elementFactory = elementFactory;
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}
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BpmnImporter.$inject = [ 'eventBus', 'canvas', 'elementFactory' ];
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/**
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* Add bpmn element (semantic) to the canvas onto the
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* specified parent shape.
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*/
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BpmnImporter.prototype.add = function(semantic, parentElement) {
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var di = semantic.di,
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element;
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// handle the special case that we deal with a
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// invisible root element (process or collaboration)
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if (di.$instanceOf('bpmndi:BPMNPlane')) {
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// add a virtual element (not being drawn)
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element = this._elementFactory.createRoot(semantic);
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}
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// SHAPE
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else if (di.$instanceOf('bpmndi:BPMNShape')) {
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var collapsed = !isExpanded(semantic);
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var hidden = parentElement && (parentElement.hidden || parentElement.collapsed);
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element = this._elementFactory.createShape(semantic, {
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collapsed: collapsed,
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hidden: hidden
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});
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this._canvas.addShape(element, parentElement);
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}
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// CONNECTION
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else {
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element = this._elementFactory.createConnection(semantic, parentElement);
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this._canvas.addConnection(element, parentElement);
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}
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// (optional) LABEL
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if (hasExternalLabel(semantic)) {
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this.addLabel(semantic, element);
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}
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this._eventBus.fire('bpmnElement.added', { element: element });
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return element;
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};
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/**
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* add label for an element
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*/
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BpmnImporter.prototype.addLabel = function (semantic, element) {
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var label = this._elementFactory.createLabel(semantic, element);
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return this._canvas.addShape(label, element.parent);
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};
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module.exports = BpmnImporter; |