feat(modeling): combining two sequence flows when removing an element

combines only if removed element has one outgoing and one incoming sequence flow

Closes #433
This commit is contained in:
Jan Stümmel 2016-04-13 14:12:57 +02:00 committed by pedesen
parent bff19786b4
commit bb06a0386d
4 changed files with 261 additions and 2 deletions

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@ -0,0 +1,40 @@
'use strict';
var inherits = require('inherits');
var CommandInterceptor = require('diagram-js/lib/command/CommandInterceptor');
function RemoveElementBehavior(eventBus, bpmnRules, modeling) {
CommandInterceptor.call(this, eventBus);
/**
* Combine sequence flows when deleting an element
* if there is one incoming and one outgoing
* sequence flow
*/
this.preExecute('shape.delete', function(e) {
var shape = e.context.shape;
if (shape.incoming.length == 1 && shape.outgoing.length == 1) {
var inConnection = shape.incoming[0],
outConnection = shape.outgoing[0];
var docking = outConnection.waypoints[outConnection.waypoints.length - 1];
if (bpmnRules.canConnect(inConnection.source, outConnection.target, inConnection)) {
modeling.reconnectEnd(inConnection, outConnection.target, docking);
}
}
});
}
inherits(RemoveElementBehavior, CommandInterceptor);
RemoveElementBehavior.$inject = [ 'eventBus', 'bpmnRules', 'modeling' ];
module.exports = RemoveElementBehavior;

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@ -14,7 +14,8 @@ module.exports = {
'replaceElementBehaviour',
'resizeLaneBehavior',
'unsetDefaultFlowBehavior',
'updateFlowNodeRefsBehavior'
'updateFlowNodeRefsBehavior',
'removeElementBehavior'
],
appendBehavior: [ 'type', require('./AppendBehavior') ],
createBoundaryEventBehavior: [ 'type', require('./CreateBoundaryEventBehavior') ],
@ -30,5 +31,6 @@ module.exports = {
replaceElementBehaviour: [ 'type', require('./ReplaceElementBehaviour') ],
resizeLaneBehavior: [ 'type', require('./ResizeLaneBehavior') ],
unsetDefaultFlowBehavior: [ 'type', require('./UnsetDefaultFlowBehavior') ],
updateFlowNodeRefsBehavior: [ 'type', require('./UpdateFlowNodeRefsBehavior') ]
updateFlowNodeRefsBehavior: [ 'type', require('./UpdateFlowNodeRefsBehavior') ],
removeElementBehavior: [ 'type', require('./RemoveElementBehavior') ]
};

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@ -0,0 +1,140 @@
<?xml version="1.0" encoding="UTF-8"?>
<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="Definitions_1" targetNamespace="http://bpmn.io/schema/bpmn">
<bpmn:process id="Process_1" isExecutable="false">
<bpmn:startEvent id="StartEvent1">
<bpmn:outgoing>SequenceFlow1</bpmn:outgoing>
</bpmn:startEvent>
<bpmn:task id="Task1">
<bpmn:incoming>SequenceFlow1</bpmn:incoming>
<bpmn:outgoing>SequenceFlow2</bpmn:outgoing>
</bpmn:task>
<bpmn:sequenceFlow id="SequenceFlow1" sourceRef="StartEvent1" targetRef="Task1" />
<bpmn:endEvent id="EndEvent1">
<bpmn:incoming>SequenceFlow2</bpmn:incoming>
</bpmn:endEvent>
<bpmn:sequenceFlow id="SequenceFlow2" sourceRef="Task1" targetRef="EndEvent1" />
<bpmn:dataStoreReference id="DataStoreReference1" />
<bpmn:task id="Task2">
<bpmn:incoming>SequenceFlow3</bpmn:incoming>
<bpmn:dataOutputAssociation id="DataOutputAssociation1">
<bpmn:targetRef>DataStoreReference1</bpmn:targetRef>
</bpmn:dataOutputAssociation>
</bpmn:task>
<bpmn:intermediateThrowEvent id="IntermediateThrowEvent1">
<bpmn:outgoing>SequenceFlow3</bpmn:outgoing>
<bpmn:outgoing>SequenceFlow4</bpmn:outgoing>
</bpmn:intermediateThrowEvent>
<bpmn:sequenceFlow id="SequenceFlow3" sourceRef="IntermediateThrowEvent1" targetRef="Task2" />
<bpmn:task id="Task3">
<bpmn:incoming>SequenceFlow4</bpmn:incoming>
<bpmn:incoming>SequenceFlow6</bpmn:incoming>
<bpmn:outgoing>SequenceFlow5</bpmn:outgoing>
</bpmn:task>
<bpmn:sequenceFlow id="SequenceFlow4" sourceRef="IntermediateThrowEvent1" targetRef="Task3" />
<bpmn:startEvent id="StartEvent2">
<bpmn:outgoing>SequenceFlow6</bpmn:outgoing>
</bpmn:startEvent>
<bpmn:sequenceFlow id="SequenceFlow6" sourceRef="StartEvent2" targetRef="Task3" />
<bpmn:intermediateThrowEvent id="IntermediateThrowEvent2">
<bpmn:incoming>SequenceFlow5</bpmn:incoming>
</bpmn:intermediateThrowEvent>
<bpmn:sequenceFlow id="SequenceFlow5" sourceRef="Task3" targetRef="IntermediateThrowEvent2" />
</bpmn:process>
<bpmndi:BPMNDiagram id="BPMNDiagram_1">
<bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_1">
<bpmndi:BPMNShape id="StartEvent_1kb6sds_di" bpmnElement="StartEvent1">
<dc:Bounds x="204" y="36" width="36" height="36" />
<bpmndi:BPMNLabel>
<dc:Bounds x="177" y="72" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Task_1gm96cu_di" bpmnElement="Task1">
<dc:Bounds x="407" y="14" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_0tcm7c4_di" bpmnElement="SequenceFlow1">
<di:waypoint xsi:type="dc:Point" x="240" y="54" />
<di:waypoint xsi:type="dc:Point" x="407" y="54" />
<bpmndi:BPMNLabel>
<dc:Bounds x="278.5" y="44" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="EndEvent_19rql6x_di" bpmnElement="EndEvent1">
<dc:Bounds x="649" y="36" width="36" height="36" />
<bpmndi:BPMNLabel>
<dc:Bounds x="622" y="72" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_0qj8k8s_di" bpmnElement="SequenceFlow2">
<di:waypoint xsi:type="dc:Point" x="507" y="54" />
<di:waypoint xsi:type="dc:Point" x="649" y="54" />
<bpmndi:BPMNLabel>
<dc:Bounds x="533" y="44" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="DataStoreReference_0esjm7d_di" bpmnElement="DataStoreReference1">
<dc:Bounds x="642" y="194" width="50" height="50" />
<bpmndi:BPMNLabel>
<dc:Bounds x="622" y="244" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="Task_1109sg9_di" bpmnElement="Task2">
<dc:Bounds x="407" y="179" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNShape id="IntermediateThrowEvent_0ngofht_di" bpmnElement="IntermediateThrowEvent1">
<dc:Bounds x="204" y="201" width="36" height="36" />
<bpmndi:BPMNLabel>
<dc:Bounds x="177" y="237" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_0573259_di" bpmnElement="SequenceFlow3">
<di:waypoint xsi:type="dc:Point" x="240" y="219" />
<di:waypoint xsi:type="dc:Point" x="407" y="219" />
<bpmndi:BPMNLabel>
<dc:Bounds x="278.5" y="209" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="Task_1j12zuc_di" bpmnElement="Task3">
<dc:Bounds x="407" y="334" width="100" height="80" />
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_18wv2tq_di" bpmnElement="SequenceFlow4">
<di:waypoint xsi:type="dc:Point" x="240" y="219" />
<di:waypoint xsi:type="dc:Point" x="324" y="219" />
<di:waypoint xsi:type="dc:Point" x="324" y="374" />
<di:waypoint xsi:type="dc:Point" x="407" y="374" />
<bpmndi:BPMNLabel>
<dc:Bounds x="279" y="286.5" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="StartEvent_00w63ri_di" bpmnElement="StartEvent2">
<dc:Bounds x="439" y="522" width="36" height="36" />
<bpmndi:BPMNLabel>
<dc:Bounds x="412" y="558" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_0y0xyjt_di" bpmnElement="SequenceFlow6">
<di:waypoint xsi:type="dc:Point" x="457" y="522" />
<di:waypoint xsi:type="dc:Point" x="457" y="414" />
<bpmndi:BPMNLabel>
<dc:Bounds x="412" y="458" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNShape id="IntermediateThrowEvent_174hln1_di" bpmnElement="IntermediateThrowEvent2">
<dc:Bounds x="649" y="356" width="36" height="36" />
<bpmndi:BPMNLabel>
<dc:Bounds x="622" y="392" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge id="SequenceFlow_0ydw9jn_di" bpmnElement="SequenceFlow5">
<di:waypoint xsi:type="dc:Point" x="507" y="374" />
<di:waypoint xsi:type="dc:Point" x="649" y="374" />
<bpmndi:BPMNLabel>
<dc:Bounds x="533" y="364" width="90" height="20" />
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
<bpmndi:BPMNEdge id="DataOutputAssociation_020a5n1_di" bpmnElement="DataOutputAssociation1">
<di:waypoint xsi:type="dc:Point" x="507" y="219" />
<di:waypoint xsi:type="dc:Point" x="642" y="219" />
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</bpmn:definitions>

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@ -0,0 +1,77 @@
'use strict';
/* global bootstrapModeler, inject */
var modelingModule = require('../../../../../lib/features/modeling'),
coreModule = require('../../../../../lib/core');
describe('features/modeling - remove element behavior', function() {
var testModules = [ coreModule, modelingModule ];
describe('combine sequence flow when deleting element', function() {
var processDiagramXML = require('./RemoveElementBehavior.bpmn');
beforeEach(bootstrapModeler(processDiagramXML, { modules: testModules }));
it('should combine sequence flows on remove', inject(function(modeling, elementRegistry) {
// given
var task = elementRegistry.get('Task1');
// when
modeling.removeShape(task);
// then
expect(elementRegistry.get(task.id)).to.be.undefined;
expect(elementRegistry.get('SequenceFlow1')).to.not.be.undefined;
expect(elementRegistry.get('SequenceFlow2')).to.be.undefined;
expect(elementRegistry.get('StartEvent1').outgoing.length).to.be.equal(1);
expect(elementRegistry.get('EndEvent1').incoming.length).to.be.equal(1);
}));
it('should remove all sequence flows', inject(function(modeling, elementRegistry) {
// given
var task = elementRegistry.get('Task3');
// when
modeling.removeShape(task);
// then
expect(elementRegistry.get(task.id)).to.be.undefined;
expect(elementRegistry.get('SequenceFlow4')).to.be.undefined;
expect(elementRegistry.get('SequenceFlow5')).to.be.undefined;
expect(elementRegistry.get('SequenceFlow6')).to.be.undefined;
expect(elementRegistry.get('StartEvent2').outgoing).to.be.empty;
expect(elementRegistry.get('StartEvent2').incoming).to.be.empty;
}));
it('should not combine not allowed connection', inject(function(modeling, elementRegistry) {
// given
var task = elementRegistry.get('Task2');
// when
modeling.removeShape(task);
// then
expect(elementRegistry.get(task.id)).to.be.undefined;
expect(elementRegistry.get('SequenceFlow3')).to.be.undefined;
expect(elementRegistry.get('DataOutputAssociation1')).to.be.undefined;
expect(elementRegistry.get('DataStoreReference1').incoming).to.be.empty;
expect(elementRegistry.get('IntermediateThrowEvent1').outgoing.length).to.be.eql(1);
}));
});
});