85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
import {
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add as collectionAdd,
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remove as collectionRemove
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} from 'diagram-js/lib/util/Collections';
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import { getDi } from '../../../util/ModelUtil';
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export default function UpdateCanvasRootHandler(canvas, modeling) {
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this._canvas = canvas;
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this._modeling = modeling;
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}
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UpdateCanvasRootHandler.$inject = [
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'canvas',
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'modeling'
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];
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UpdateCanvasRootHandler.prototype.execute = function(context) {
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var canvas = this._canvas;
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var newRoot = context.newRoot,
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newRootBusinessObject = newRoot.businessObject,
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oldRoot = canvas.getRootElement(),
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oldRootBusinessObject = oldRoot.businessObject,
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bpmnDefinitions = oldRootBusinessObject.$parent,
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diPlane = getDi(oldRoot);
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// (1) replace process old <> new root
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canvas.setRootElement(newRoot);
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canvas.removeRootElement(oldRoot);
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// (2) update root elements
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collectionAdd(bpmnDefinitions.rootElements, newRootBusinessObject);
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newRootBusinessObject.$parent = bpmnDefinitions;
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collectionRemove(bpmnDefinitions.rootElements, oldRootBusinessObject);
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oldRootBusinessObject.$parent = null;
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// (3) wire di
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oldRoot.di = null;
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diPlane.bpmnElement = newRootBusinessObject;
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newRoot.di = diPlane;
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context.oldRoot = oldRoot;
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// TODO(nikku): return changed elements?
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// return [ newRoot, oldRoot ];
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};
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UpdateCanvasRootHandler.prototype.revert = function(context) {
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var canvas = this._canvas;
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var newRoot = context.newRoot,
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newRootBusinessObject = newRoot.businessObject,
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oldRoot = context.oldRoot,
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oldRootBusinessObject = oldRoot.businessObject,
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bpmnDefinitions = newRootBusinessObject.$parent,
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diPlane = getDi(newRoot);
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// (1) replace process old <> new root
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canvas.setRootElement(oldRoot);
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canvas.removeRootElement(newRoot);
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// (2) update root elements
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collectionRemove(bpmnDefinitions.rootElements, newRootBusinessObject);
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newRootBusinessObject.$parent = null;
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collectionAdd(bpmnDefinitions.rootElements, oldRootBusinessObject);
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oldRootBusinessObject.$parent = bpmnDefinitions;
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// (3) wire di
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newRoot.di = null;
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diPlane.bpmnElement = oldRootBusinessObject;
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oldRoot.di = diPlane;
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// TODO(nikku): return changed elements?
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// return [ newRoot, oldRoot ];
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}; |