/* (non-Javadoc)
* @see org.eclipse.graphiti.features.IFeature#canExecute(org.eclipse.graphiti.features.context.IContext)
*/
@Override
public boolean canExecute(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();
IBpmn2RuntimeExtension rte = editor.getTargetRuntime().getRuntimeExtension();
if (rte instanceof JBPM5RuntimeExtension && context instanceof ICustomContext) {
PictogramElement[] pes = ((ICustomContext) context).getPictogramElements();
if (pes.length == 1) {
Object o = Graphiti.getLinkService().getBusinessObjectForLinkedPictogramElement(pes[0]);
if (o instanceof Task) {
Task task = (Task) o;
List<EStructuralFeature> features = ModelDecorator.getAnyAttributes(task);
for (EStructuralFeature f : features) {
if ("taskName".equals(f.getName())) { // $NON-NLS-1$
// make sure the Work Item Definition exists
String taskName = (String) task.eGet(f);
return ((JBPM5RuntimeExtension) rte).getWorkItemDefinition(taskName) != null;
}
}
}
}
}
return false;
}
public String getId(EObject object) {
if (object == null) return null;
List<EStructuralFeature> features = ModelDecorator.getAnyAttributes(object);
for (EStructuralFeature f : features) {
if ("taskName".equals(f.getName())) { // $NON-NLS-1$
Object attrValue = object.eGet(f);
if (attrValue != null) {
// search the extension attributes for a "taskName" and compare it
// against the new object's taskName value
for (Property p : customTaskDescriptor.getProperties()) {
String propValue = p.getFirstStringValue();
if (attrValue.equals(propValue)) return getId();
}
}
}
}
return null;
}
void suggestNextActivityId(Event currentEvent, Task task) {
// now test if the id is valid or suggest a new one...
EStructuralFeature feature = ModelDecorator.getAnyAttribute(currentEvent, "activityid");
if (feature != null) {
List<Event> dataProtectionEvents = new ArrayList<Event>();
new Tracer().findDataProtectionTargetEvents(task, dataProtectionEvents);
new Tracer().findDataProtectionStartEvents(task, dataProtectionEvents);
logger.fine("found " + dataProtectionEvents.size() + " Imxis Events");
Integer currentActivityID = (Integer) currentEvent.eGet(feature);
int bestID = -1;
boolean duplicateID = false;
for (Event aEvent : dataProtectionEvents) {
if (aEvent == currentEvent) continue;
int aID = (Integer) aEvent.eGet(feature);
if (aID > bestID) bestID = aID;
// test for dupplicates!
if (aID == currentActivityID) {
duplicateID = true;
}
}
// if duplicate or currentID<=0 suggest a new one!
if (duplicateID || currentActivityID <= 0) {
if (bestID <= 0) currentActivityID = DEFAULT_ACTIVITY_ID;
else currentActivityID = bestID + 10;
}
// suggest a new ProcessID...
logger.fine("ActiviytID=" + currentActivityID);
currentEvent.eSet(feature, currentActivityID);
}
}
/* (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);
}
}
}
}
}