@SuppressWarnings({"unchecked", "rawtypes"})
public Task createBusinessObject(ICreateContext context) {
Task task = super.createBusinessObject(context);
final String name = customTaskDescriptor.getName();
if (name != null && !name.isEmpty()) {
task.setName(name.trim());
}
// make sure the ioSpecification has both a default InputSet and OutputSet
InputOutputSpecification ioSpecification = task.getIoSpecification();
if (ioSpecification != null) {
Resource resource = getResource(context);
if (ioSpecification.getInputSets().size() == 0) {
InputSet is = Bpmn2ModelerFactory.createObject(resource, InputSet.class);
ioSpecification.getInputSets().add(is);
}
if (ioSpecification.getOutputSets().size() == 0) {
OutputSet os = Bpmn2ModelerFactory.createObject(resource, OutputSet.class);
ioSpecification.getOutputSets().add(os);
}
}
// Create the ItemDefinitions for each I/O parameter if needed
JBPM5RuntimeExtension rx =
(JBPM5RuntimeExtension) customTaskDescriptor.getRuntime().getRuntimeExtension();
String id = customTaskDescriptor.getId();
WorkItemDefinition wid = rx.getWorkItemDefinition(id);
if (ioSpecification != null && wid != null) {
for (DataInput input : ioSpecification.getDataInputs()) {
for (Entry<String, String> entry : wid.getParameters().entrySet()) {
if (input.getName().equals(entry.getKey())) {
if (entry.getValue() != null)
input.setItemSubjectRef(
JbpmModelUtil.getDataType(context.getTargetContainer(), entry.getValue()));
break;
}
}
}
for (DataOutput output : ioSpecification.getDataOutputs()) {
for (Entry<String, String> entry : wid.getResults().entrySet()) {
if (output.getName().equals(entry.getKey())) {
if (entry.getValue() != null)
output.setItemSubjectRef(
JbpmModelUtil.getDataType(context.getTargetContainer(), entry.getValue()));
break;
}
}
}
}
return task;
}
@Override
protected EObject addListItem(EObject object, EStructuralFeature feature) {
InputSet inputSet = throwEvent.getInputSet();
if (inputSet == null) {
inputSet = FACTORY.createInputSet();
throwEvent.setInputSet(inputSet);
ModelUtil.setID(inputSet);
}
// generate a unique parameter name
String base = "inParam";
int suffix = 1;
String name = base + suffix;
for (; ; ) {
boolean found = false;
for (DataInput p : inputSet.getDataInputRefs()) {
if (name.equals(p.getName())) {
found = true;
break;
}
}
if (!found) break;
name = base + ++suffix;
}
DataInput param = (DataInput) super.addListItem(object, feature);
// add the new parameter to the InputSet
(param).setName(name);
inputSet.getDataInputRefs().add(param);
// create a DataInputAssociation
DataInputAssociation inputAssociation = FACTORY.createDataInputAssociation();
throwEvent.getDataInputAssociation().add(inputAssociation);
inputAssociation.setTargetRef((DataInput) param);
ModelUtil.setID(inputAssociation);
return param;
}
public void updateTask() {
/*
* Here we need to examine the current list of DataInputAssociations on the
* Task and, if there is already a DataInput named NotStartedReassign or
* NotCompletedReassign, append a new expression. Otherwise create a new
* DataInput and DataInputAssociation.
*
* The XML looks like this:
*
* <bpmn2:ioSpecification id="IOSpec_1">
* <bpmn2:dataInput id="DataInput_1" name="NotCompletedReassign"/>
* <bpmn2:dataInput id="DataInput_2" name="NotStartedReassign"/>
* </bpmn2:ioSpecification>
*
* <bpmn2:dataInputAssociation id="DataInputAssociation_1">
* <bpmn2:targetRef>DataInput_1</bpmn2:targetRef>
* <bpmn2:assignment id="Assignment_1">
* <bpmn2:from xsi:type="bpmn2:tFormalExpression"><![CDATA[[users:user2|groups:group2]@[exp2]^[users:user1,user2,user3|groups:group1,group2,group3]@[exp4]]]></bpmn2:from>
* <bpmn2:to xsi:type="bpmn2:tFormalExpression">DataInput_1</bpmn2:to>
* </bpmn2:assignment>
* </bpmn2:dataInputAssociation>
*
* <bpmn2:dataInputAssociation id="DataInputAssociation_2">
* <bpmn2:targetRef>DataInput_2</bpmn2:targetRef>
* <bpmn2:assignment id="Assignment_2">
* <bpmn2:from xsi:type="bpmn2:tFormalExpression"><![CDATA[[users:user1|groups:group1]@[exp1]^[users:user1,user2,user3|groups:group1,group2,group3]@[exp4]]]></bpmn2:from>
* <bpmn2:to xsi:type="bpmn2:tFormalExpression">DataInput_2</bpmn2:to>
* </bpmn2:assignment>
* </bpmn2:dataInputAssociation>
*/
Resource resource = task.eResource();
InputOutputSpecification iospec = task.getIoSpecification();
DataInputAssociation notStarted = null;
DataInputAssociation notCompleted = null;
DataInput input;
Assignment assignment;
FormalExpression expression;
String body;
for (DataInputAssociation dia : task.getDataInputAssociations()) {
if (dia.getTargetRef() instanceof DataInput) {
input = (DataInput) dia.getTargetRef();
if (ReassignmentType.NOT_STARTED_REASSIGN.getLiteral().equals(input.getName())) {
notStarted = dia;
} else if (ReassignmentType.NOT_COMPLETED_REASSIGN.getLiteral().equals(input.getName())) {
notCompleted = dia;
}
}
}
body = toString(ReassignmentType.NOT_STARTED_REASSIGN);
if (body.isEmpty()) {
if (notStarted != null) {
// need to remove the NotCompletedReassign data input and association
iospec.getDataInputs().remove(notStarted.getTargetRef());
iospec.getInputSets().get(0).getDataInputRefs().remove(notStarted.getTargetRef());
task.getDataInputAssociations().remove(notStarted);
}
} else {
if (notStarted == null) {
// create the NotStartedReassign data input and association
input =
(DataInput) Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getDataInput());
input.setName(ReassignmentType.NOT_STARTED_REASSIGN.getLiteral());
iospec.getDataInputs().add(input);
iospec.getInputSets().get(0).getDataInputRefs().add(input);
notStarted =
(DataInputAssociation)
Bpmn2ModelerFactory.create(
resource, Bpmn2Package.eINSTANCE.getDataInputAssociation());
notStarted.setTargetRef(input);
assignment =
(Assignment)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getAssignment());
expression =
(FormalExpression)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getFormalExpression());
// make sure this DataInput has an ID
ModelUtil.setID(input);
expression.setBody(input.getId());
assignment.setTo(expression);
notStarted.getAssignment().add(assignment);
task.getDataInputAssociations().add(notStarted);
ModelUtil.setID(notStarted);
ModelUtil.setID(assignment);
ModelUtil.setID(expression);
}
assignment = (Assignment) notStarted.getAssignment().get(0);
expression = (FormalExpression) assignment.getFrom();
if (expression == null) {
expression =
(FormalExpression)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getFormalExpression());
assignment.setFrom(expression);
ModelUtil.setID(expression);
}
expression.setBody(body);
}
body = toString(ReassignmentType.NOT_COMPLETED_REASSIGN);
if (body.isEmpty()) {
if (notCompleted != null) {
// need to remove the NotCompletedReassign data input and association
iospec.getDataInputs().remove(notCompleted.getTargetRef());
iospec.getInputSets().get(0).getDataInputRefs().remove(notCompleted.getTargetRef());
task.getDataInputAssociations().remove(notCompleted);
}
} else {
if (notCompleted == null) {
// create the NotStartedReassign data input and association
input =
(DataInput) Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getDataInput());
input.setName(ReassignmentType.NOT_COMPLETED_REASSIGN.getLiteral());
iospec.getDataInputs().add(input);
iospec.getInputSets().get(0).getDataInputRefs().add(input);
notCompleted =
(DataInputAssociation)
Bpmn2ModelerFactory.create(
resource, Bpmn2Package.eINSTANCE.getDataInputAssociation());
notCompleted.setTargetRef(input);
assignment =
(Assignment)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getAssignment());
expression =
(FormalExpression)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getFormalExpression());
// make sure this DataInput has an ID
ModelUtil.setID(input);
expression.setBody(input.getId());
assignment.setTo(expression);
notCompleted.getAssignment().add(assignment);
task.getDataInputAssociations().add(notCompleted);
ModelUtil.setID(notCompleted);
ModelUtil.setID(assignment);
ModelUtil.setID(expression);
}
assignment = (Assignment) notCompleted.getAssignment().get(0);
expression = (FormalExpression) assignment.getFrom();
if (expression == null) {
expression =
(FormalExpression)
Bpmn2ModelerFactory.create(resource, Bpmn2Package.eINSTANCE.getFormalExpression());
assignment.setFrom(expression);
ModelUtil.setID(expression);
}
expression.setBody(body);
}
}
/* (non-Javadoc)
* @see org.eclipse.graphiti.features.IFeature#execute(org.eclipse.graphiti.features.context.IContext)
*/
@Override
public void execute(IContext context) {
// TODO: clean this mess up: use {@code getWorkItemEditor()) to check if the selected task
// has a WID and if the WID defines a customEditor
BPMN2Editor editor =
(BPMN2Editor)
getFeatureProvider()
.getDiagramTypeProvider()
.getDiagramBehavior()
.getDiagramContainer();
PictogramElement pe = ((ICustomContext) context).getPictogramElements()[0];
final Task task =
(Task) Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pe);
String taskName = ""; // $NON-NLS-1$
List<EStructuralFeature> features = ModelDecorator.getAnyAttributes(task);
for (EStructuralFeature f : features) {
if ("taskName".equals(f.getName())) { // $NON-NLS-1$
taskName = (String) task.eGet(f);
break;
}
}
IBpmn2RuntimeExtension rte = editor.getTargetRuntime().getRuntimeExtension();
WorkItemDefinition workItemDefinition =
((JBPM5RuntimeExtension) rte).getWorkItemDefinition(taskName);
WorkDefinitionImpl wd = new WorkDefinitionImpl();
for (String name : workItemDefinition.getParameters().keySet()) {
String type = workItemDefinition.getParameters().get(name);
DataTypeFactory factory = DataTypeRegistry.getFactory(type);
wd.addParameter(new ParameterDefinitionImpl(name, factory.createDataType()));
}
WorkImpl w = new WorkImpl();
w.setName(taskName);
w.setParameterDefinitions(wd.getParameters());
for (DataInputAssociation dia : task.getDataInputAssociations()) {
DataInput dataInput = (DataInput) dia.getTargetRef();
if (dataInput != null) {
String name = dataInput.getName();
ItemDefinition itemDefinition = dataInput.getItemSubjectRef();
if (itemDefinition != null) {
Object structureRef = itemDefinition.getStructureRef();
if (ModelUtil.isStringWrapper(structureRef)) {
ParameterDefinition parameterDefinition = w.getParameterDefinition(name);
try {
Object value =
parameterDefinition
.getType()
.readValue(ModelUtil.getStringWrapperTextValue(structureRef));
w.setParameter(name, value);
} catch (Exception e) {
}
}
}
}
}
/*
* Load the class defined in the WID's "eclipse:customEditor" field.
* This means that the containing Project must be a JavaProject, and
* the class must exist and must implement the WorkEditor interface.
try {
Resource res = ExtendedPropertiesAdapter.getResource(task);
URI uri = res.getURI();
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(uri.segment(1));
JavaProjectClassLoader cl = new JavaProjectClassLoader(project);
Class c = cl.loadClass("org.bpmn2.java.Calculator");
Object o = c.newInstance();
String s = o.toString();
System.out.println(s);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
*/
WorkEditor dialog = getWorkItemEditor(task);
dialog.setWorkDefinition(wd);
dialog.setWork(w);
dialog.show();
hasChanges = dialog.getWork() != w;
if (hasChanges) {
w = (WorkImpl) dialog.getWork();
for (DataInputAssociation dia : task.getDataInputAssociations()) {
DataInput dataInput = (DataInput) dia.getTargetRef();
if (dataInput != null) {
String name = dataInput.getName();
ItemDefinition itemDefinition = dataInput.getItemSubjectRef();
// this always comes back as a String from the SampleCustomEditor dialog
String value = (String) w.getParameter(name);
if (value != null && !value.isEmpty()) {
EObject structureRef = ModelUtil.createStringWrapper(value);
if (itemDefinition == null) {
itemDefinition =
Bpmn2ModelerFactory.createObject(task.eResource(), ItemDefinition.class);
ModelUtil.getDefinitions(task).getRootElements().add(itemDefinition);
ModelUtil.setID(itemDefinition);
}
itemDefinition.setItemKind(ItemKind.INFORMATION);
itemDefinition.setStructureRef(structureRef);
dataInput.setItemSubjectRef(itemDefinition);
} else if (itemDefinition != null) {
// TODO: remove Item Definition if it is on longer referenced anywhere
// ModelUtil.getDefinitions(task).getRootElements().remove(itemDefinition);
dataInput.setItemSubjectRef(null);
}
}
}
}
}