50 lines
959 B
JavaScript
50 lines
959 B
JavaScript
'use strict';
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var isAny = require('../modeling/util/ModelingUtil').isAny;
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/**
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* Extention of GlobalConnect tool that implements BPMN specific rules about
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* connection start elements.
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*/
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function BpmnGlobalConnect(globalConnect) {
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globalConnect.registerProvider(this);
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}
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BpmnGlobalConnect.$inject = [ 'globalConnect' ];
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module.exports = BpmnGlobalConnect;
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/**
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* Checks if given element can be used for starting connection.
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*
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* @param {Element} source
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* @return {Boolean}
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*/
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BpmnGlobalConnect.prototype.canStartConnect = function(source) {
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if (nonExistantOrLabel(source)) {
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return null;
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}
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var businessObject = source.businessObject;
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return isAny(businessObject, [
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'bpmn:FlowNode',
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'bpmn:InteractionNode',
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'bpmn:DataObjectReference',
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'bpmn:DataStoreReference'
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]);
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};
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function nonExistantOrLabel(element) {
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return !element || isLabel(element);
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}
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function isLabel(element) {
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return element.labelTarget;
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}
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