92 lines
2.1 KiB
JavaScript
92 lines
2.1 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var BaseElementFactory = require('diagram-js/lib/core/ElementFactory');
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var LabelUtil = require('../../util/Label');
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/**
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* A bpmn-aware factory for diagram-js shapes
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*/
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function ElementFactory(bpmnFactory) {
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BaseElementFactory.call(this);
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this._bpmnFactory = bpmnFactory;
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}
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ElementFactory.prototype = Object.create(BaseElementFactory.prototype);
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ElementFactory.$inject = [ 'bpmnFactory' ];
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module.exports = ElementFactory;
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ElementFactory.prototype.createWithBpmn = function(elementType, attrs) {
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attrs = attrs || {};
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var businessObject = attrs.businessObject,
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size;
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if (!businessObject) {
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if (!attrs.type) {
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throw new Error('no shape type specified');
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}
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businessObject = this._bpmnFactory.create(attrs.type);
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}
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size = this._getDefaultSize(businessObject);
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if (!businessObject.di) {
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if (elementType === 'connection') {
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businessObject.di = this._bpmnFactory.createDiEdge(businessObject, [], {
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id: businessObject.id + '_di'
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});
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} else {
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businessObject.di = this._bpmnFactory.createDiShape(businessObject, {}, {
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id: businessObject.id + '_di'
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});
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}
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}
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attrs = _.extend({
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businessObject: businessObject,
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id: businessObject.id
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}, size, attrs);
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return this.create(elementType, attrs);
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};
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ElementFactory.prototype.createRoot = function(attrs) {
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return this.createWithBpmn('root', attrs);
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};
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ElementFactory.prototype.createLabel = function(attrs) {
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return this.create('label', _.extend({ type: 'label' }, LabelUtil.DEFAULT_LABEL_SIZE, attrs));
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};
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ElementFactory.prototype.createShape = function(attrs) {
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return this.createWithBpmn('shape', attrs);
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};
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ElementFactory.prototype.createConnection = function(attrs) {
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return this.createWithBpmn('connection', attrs);
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};
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ElementFactory.prototype._getDefaultSize = function(semantic) {
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if (semantic.$instanceOf('bpmn:Task')) {
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return { width: 100, height: 80 };
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}
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if (semantic.$instanceOf('bpmn:Gateway')) {
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return { width: 50, height: 50 };
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}
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if (semantic.$instanceOf('bpmn:Event')) {
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return { width: 36, height: 36 };
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}
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}; |