86 lines
2.0 KiB
JavaScript
86 lines
2.0 KiB
JavaScript
'use strict';
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var map = require('lodash/collection/map'),
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assign = require('lodash/object/assign'),
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pick = require('lodash/object/pick');
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function BpmnFactory(moddle) {
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this._model = moddle;
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}
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BpmnFactory.$inject = [ 'moddle' ];
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BpmnFactory.prototype._needsId = function(element) {
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return element.$instanceOf('bpmn:RootElement') ||
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element.$instanceOf('bpmn:FlowElement') ||
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element.$instanceOf('bpmn:Artifact') ||
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element.$instanceOf('bpmndi:BPMNShape') ||
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element.$instanceOf('bpmndi:BPMNEdge') ||
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element.$instanceOf('bpmndi:BPMNDiagram') ||
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element.$instanceOf('bpmndi:BPMNPlane');
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};
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BpmnFactory.prototype._ensureId = function(element) {
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// generate semantic ids for elements
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// bpmn:SequenceFlow -> SequenceFlow_ID
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var prefix = (element.$type || '').replace(/^[^:]*:/g, '') + '_';
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if (!element.id && this._needsId(element)) {
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element.id = this._model.ids.nextPrefixed(prefix, element);
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}
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};
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BpmnFactory.prototype.create = function(type, attrs) {
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var element = this._model.create(type, attrs || {});
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this._ensureId(element);
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return element;
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};
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BpmnFactory.prototype.createDiLabel = function() {
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return this.create('bpmndi:BPMNLabel', {
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bounds: this.createDiBounds()
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});
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};
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BpmnFactory.prototype.createDiShape = function(semantic, bounds, attrs) {
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return this.create('bpmndi:BPMNShape', assign({
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bpmnElement: semantic,
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bounds: this.createDiBounds(bounds)
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}, attrs));
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};
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BpmnFactory.prototype.createDiBounds = function(bounds) {
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return this.create('dc:Bounds', bounds);
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};
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BpmnFactory.prototype.createDiWaypoints = function(waypoints) {
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return map(waypoints, function(pos) {
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return this.createDiWaypoint(pos);
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}, this);
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};
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BpmnFactory.prototype.createDiWaypoint = function(point) {
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return this.create('dc:Point', pick(point, [ 'x', 'y' ]));
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};
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BpmnFactory.prototype.createDiEdge = function(semantic, waypoints, attrs) {
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return this.create('bpmndi:BPMNEdge', assign({
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bpmnElement: semantic
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}, attrs));
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};
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module.exports = BpmnFactory;
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