91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
'use strict';
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var reduce = require('min-dash').reduce,
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keys = require('min-dash').keys,
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forEach = require('min-dash').forEach,
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is = require('../../../util/ModelUtil').is,
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getBusinessObject = require('../../../util/ModelUtil').getBusinessObject;
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function UpdateModdlePropertiesHandler(elementRegistry) {
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this._elementRegistry = elementRegistry;
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}
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UpdateModdlePropertiesHandler.$inject = ['elementRegistry'];
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module.exports = UpdateModdlePropertiesHandler;
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UpdateModdlePropertiesHandler.prototype.execute = function(context) {
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var element = context.element,
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moddleElement = context.moddleElement,
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properties = context.properties;
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if (!moddleElement) {
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throw new Error('<moddleElement> required');
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}
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var changed = context.changed || this.getVisualReferences(moddleElement).concat(element);
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var oldProperties = context.oldProperties || getModdleProperties(moddleElement, keys(properties));
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setModdleProperties(moddleElement, properties);
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context.oldProperties = oldProperties;
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context.changed = changed;
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return changed;
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};
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UpdateModdlePropertiesHandler.prototype.revert = function(context) {
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var oldProperties = context.oldProperties,
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moddleElement = context.moddleElement,
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changed = context.changed;
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setModdleProperties(moddleElement, oldProperties);
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return changed;
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};
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/**
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* Return visual references of given moddle element within the diagram.
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*
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* @param {ModdleElement} moddleElement
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*
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* @return {Array<djs.model.Element>}
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*/
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UpdateModdlePropertiesHandler.prototype.getVisualReferences = function(moddleElement) {
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var elementRegistry = this._elementRegistry;
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if (is(moddleElement, 'bpmn:DataObject')) {
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return getAllDataObjectReferences(moddleElement, elementRegistry);
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}
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return [];
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};
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// helpers /////////////////
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function getModdleProperties(moddleElement, propertyNames) {
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return reduce(propertyNames, function(result, key) {
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result[key] = moddleElement.get(key);
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return result;
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}, {});
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}
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function setModdleProperties(moddleElement, properties) {
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forEach(properties, function(value, key) {
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moddleElement.set(key, value);
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});
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}
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function getAllDataObjectReferences(dataObject, elementRegistry) {
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return elementRegistry.filter(function(element) {
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return (
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is(element, 'bpmn:DataObjectReference') &&
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getBusinessObject(element).dataObjectRef === dataObject
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);
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});
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} |