108 lines
3.0 KiB
JavaScript
108 lines
3.0 KiB
JavaScript
'use strict';
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var inherits = require('inherits');
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var CommandInterceptor = require('diagram-js/lib/command/CommandInterceptor');
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var forEach = require('lodash/collection/forEach');
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var isEventSubProcess = require('../../../util/DiUtil').isEventSubProcess;
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var is = require('../../../util/ModelUtil').is;
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/**
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* Defines the behaviour of what happens to the elements inside a container
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* that morphs into another BPMN element
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*/
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function ReplaceElementBehaviour(eventBus, bpmnReplace, bpmnRules, elementRegistry, selection, modeling) {
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CommandInterceptor.call(this, eventBus);
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this._bpmnReplace = bpmnReplace;
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this._elementRegistry = elementRegistry;
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this._selection = selection;
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this._modeling = modeling;
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this.postExecuted([ 'elements.move' ], 500, function(event) {
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var context = event.context,
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target = context.newParent,
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newHost = context.newHost,
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elements = [];
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forEach(context.closure.topLevel, function(topLevelElements) {
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if (isEventSubProcess(topLevelElements)) {
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elements = elements.concat(topLevelElements.children);
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} else {
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elements = elements.concat(topLevelElements);
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}
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});
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// Change target to host when the moving element is a `bpmn:BoundaryEvent`
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if (elements.length === 1 && newHost) {
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target = newHost;
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}
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var canReplace = bpmnRules.canReplace(elements, target);
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if (canReplace) {
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this.replaceElements(elements, canReplace.replacements, newHost);
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}
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}, this);
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// update attachments if the host is replaced
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this.postExecute([ 'shape.replace' ], 1500, function(e) {
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var context = e.context,
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oldShape = context.oldShape,
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newShape = context.newShape,
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attachers = oldShape.attachers,
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canReplace;
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if (attachers && attachers.length) {
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canReplace = bpmnRules.canReplace(attachers, newShape);
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this.replaceElements(attachers, canReplace.replacements);
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}
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}, this);
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}
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inherits(ReplaceElementBehaviour, CommandInterceptor);
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ReplaceElementBehaviour.prototype.replaceElements = function(elements, newElements, newHost) {
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var elementRegistry = this._elementRegistry,
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bpmnReplace = this._bpmnReplace,
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selection = this._selection,
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modeling = this._modeling;
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forEach(newElements, function(replacement) {
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var newElement = {
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type: replacement.newElementType
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};
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var oldElement = elementRegistry.get(replacement.oldElementId);
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if (newHost && is(oldElement, 'bpmn:BoundaryEvent')) {
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modeling.updateAttachment(oldElement, null);
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}
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var idx = elements.indexOf(oldElement);
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elements[idx] = bpmnReplace.replaceElement(oldElement, newElement, { select: false });
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if (newHost && is(elements[idx], 'bpmn:BoundaryEvent')) {
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modeling.updateAttachment(elements[idx], newHost);
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}
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});
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if (newElements) {
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selection.select(elements);
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}
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};
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ReplaceElementBehaviour.$inject = [ 'eventBus', 'bpmnReplace', 'bpmnRules', 'elementRegistry',
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'selection', 'modeling' ];
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module.exports = ReplaceElementBehaviour;
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