public static void writeSignalsAndMessages(BpmnModel model, XMLStreamWriter xtw)
throws Exception {
for (Process process : model.getProcesses()) {
for (FlowElement flowElement : process.getFlowElements()) {
if (flowElement instanceof Event) {
Event event = (Event) flowElement;
if (event.getEventDefinitions().size() > 0) {
EventDefinition eventDefinition = event.getEventDefinitions().get(0);
if (eventDefinition instanceof SignalEventDefinition) {
SignalEventDefinition signalEvent = (SignalEventDefinition) eventDefinition;
if (model.containsSignalId(signalEvent.getSignalRef()) == false) {
Signal signal = new Signal(signalEvent.getSignalRef(), signalEvent.getSignalRef());
model.addSignal(signal);
}
} else if (eventDefinition instanceof MessageEventDefinition) {
MessageEventDefinition messageEvent = (MessageEventDefinition) eventDefinition;
if (model.containsMessageId(messageEvent.getMessageRef()) == false) {
Message message =
new Message(messageEvent.getMessageRef(), messageEvent.getMessageRef(), null);
model.addMessage(message);
}
}
}
}
}
}
for (Signal signal : model.getSignals()) {
xtw.writeStartElement(ELEMENT_SIGNAL);
xtw.writeAttribute(ATTRIBUTE_ID, signal.getId());
xtw.writeAttribute(ATTRIBUTE_NAME, signal.getName());
xtw.writeEndElement();
}
for (Message message : model.getMessages()) {
xtw.writeStartElement(ELEMENT_MESSAGE);
String messageId = message.getId();
// remove the namespace from the message id if set
if (messageId.startsWith(model.getTargetNamespace())) {
messageId = messageId.replace(model.getTargetNamespace(), "");
messageId = messageId.replaceFirst(":", "");
} else {
for (String prefix : model.getNamespaces().keySet()) {
String namespace = model.getNamespace(prefix);
if (messageId.startsWith(namespace)) {
messageId = messageId.replace(model.getTargetNamespace(), "");
messageId = prefix + messageId;
}
}
}
xtw.writeAttribute(ATTRIBUTE_ID, messageId);
xtw.writeAttribute(ATTRIBUTE_NAME, message.getName());
xtw.writeEndElement();
}
}
@Override
public void refresh() {
cancelActivityCombo.removeFocusListener(listener);
messageCombo.removeFocusListener(listener);
PictogramElement pe = getSelectedPictogramElement();
if (pe != null) {
Object bo = getBusinessObject(pe);
if (bo == null) return;
final Bpmn2MemoryModel model = ModelHandler.getModel(EcoreUtil.getURI(getDiagram()));
if (model == null) {
return;
}
boolean cancelActivity = ((BoundaryEvent) bo).isCancelActivity();
if (cancelActivity == false) {
cancelActivityCombo.select(1);
} else {
cancelActivityCombo.select(0);
}
String messageRef = null;
if (bo instanceof BoundaryEvent) {
BoundaryEvent boundaryEvent = (BoundaryEvent) bo;
if (boundaryEvent.getEventDefinitions().get(0) != null) {
MessageEventDefinition messageDefinition =
(MessageEventDefinition) boundaryEvent.getEventDefinitions().get(0);
if (StringUtils.isNotEmpty(messageDefinition.getMessageRef())) {
messageRef = messageDefinition.getMessageRef();
}
}
}
String[] items = new String[model.getBpmnModel().getMessages().size() + 1];
items[0] = "";
int counter = 1;
int selectedCounter = 0;
for (Message message : model.getBpmnModel().getMessages()) {
items[counter] = message.getId() + " / " + message.getName();
if (message.getId().equals(messageRef)) {
selectedCounter = counter;
}
counter++;
}
messageCombo.setItems(items);
messageCombo.select(selectedCounter);
}
cancelActivityCombo.addFocusListener(listener);
messageCombo.addFocusListener(listener);
}