41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
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'use strict';
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var inherits = require('inherits');
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var CommandInterceptor = require('diagram-js/lib/command/CommandInterceptor');
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function RemoveElementBehavior(eventBus, bpmnRules, modeling) {
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CommandInterceptor.call(this, eventBus);
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/**
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* Combine sequence flows when deleting an element
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* if there is one incoming and one outgoing
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* sequence flow
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*/
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this.preExecute('shape.delete', function(e) {
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var shape = e.context.shape;
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if (shape.incoming.length == 1 && shape.outgoing.length == 1) {
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var inConnection = shape.incoming[0],
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outConnection = shape.outgoing[0];
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var docking = outConnection.waypoints[outConnection.waypoints.length - 1];
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if (bpmnRules.canConnect(inConnection.source, outConnection.target, inConnection)) {
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modeling.reconnectEnd(inConnection, outConnection.target, docking);
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}
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}
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});
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}
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inherits(RemoveElementBehavior, CommandInterceptor);
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RemoveElementBehavior.$inject = [ 'eventBus', 'bpmnRules', 'modeling' ];
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module.exports = RemoveElementBehavior;
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