81 lines
1.8 KiB
JavaScript
81 lines
1.8 KiB
JavaScript
'use strict';
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var _ = require('lodash');
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var BpmnModdle = require('bpmn-moddle');
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function BpmnFactory() {
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this._model = BpmnModdle.instance();
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this._uuid = 1;
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}
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BpmnFactory.$inject = [ ];
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BpmnFactory.prototype._needsId = function(element) {
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return element.$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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if (!element.id && this._needsId(element)) {
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element.id = '' + (++this._uuid);
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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', _.extend({
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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', _.extend({
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bpmnElement: semantic
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}, attrs));
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};
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module.exports = BpmnFactory; |