bpmn-js/lib/features/modeling/BpmnFactory.js

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import {
map,
assign,
pick
} from 'min-dash';
import {
isAny
} from './util/ModelingUtil';
export default function BpmnFactory(moddle) {
this._model = moddle;
}
BpmnFactory.$inject = [ 'moddle' ];
BpmnFactory.prototype._needsId = function(element) {
return isAny(element, [
'bpmn:RootElement',
'bpmn:FlowElement',
'bpmn:MessageFlow',
'bpmn:DataAssociation',
'bpmn:Artifact',
'bpmn:Participant',
'bpmn:Lane',
'bpmn:LaneSet',
'bpmn:Process',
'bpmn:Collaboration',
'bpmndi:BPMNShape',
'bpmndi:BPMNEdge',
'bpmndi:BPMNDiagram',
'bpmndi:BPMNPlane',
'bpmn:Property'
]);
};
BpmnFactory.prototype._ensureId = function(element) {
// generate semantic ids for elements
// bpmn:SequenceFlow -> SequenceFlow_ID
var prefix = (element.$type || '').replace(/^[^:]*:/g, '') + '_';
if (!element.id && this._needsId(element)) {
element.id = this._model.ids.nextPrefixed(prefix, element);
}
};
BpmnFactory.prototype.create = function(type, attrs) {
var element = this._model.create(type, attrs || {});
this._ensureId(element);
return element;
};
BpmnFactory.prototype.createDiLabel = function() {
return this.create('bpmndi:BPMNLabel', {
bounds: this.createDiBounds()
});
};
BpmnFactory.prototype.createDiShape = function(semantic, bounds, attrs) {
return this.create('bpmndi:BPMNShape', assign({
bpmnElement: semantic,
bounds: this.createDiBounds(bounds)
}, attrs));
};
BpmnFactory.prototype.createDiBounds = function(bounds) {
return this.create('dc:Bounds', bounds);
};
BpmnFactory.prototype.createDiWaypoints = function(waypoints) {
var self = this;
return map(waypoints, function(pos) {
return self.createDiWaypoint(pos);
});
};
BpmnFactory.prototype.createDiWaypoint = function(point) {
return this.create('dc:Point', pick(point, [ 'x', 'y' ]));
};
BpmnFactory.prototype.createDiEdge = function(semantic, waypoints, attrs) {
return this.create('bpmndi:BPMNEdge', assign({
bpmnElement: semantic
}, attrs));
};
BpmnFactory.prototype.createDiPlane = function(semantic) {
return this.create('bpmndi:BPMNPlane', {
bpmnElement: semantic
});
};