use of org.obeonetwork.dsl.cinematic.design.services.flows.WidgetEventTypeAndAbstractViewElement in project InformationSystem by ObeoNetwork.
the class FlowEditLabelSwitch method caseTransition.
@Override
public EObject caseTransition(Transition transition) {
String eventPart = null;
String guard = null;
Collection<String> notFoundEventNames = new ArrayList<String>();
// We search for '[' and ']' characters
int openingBracketPos = newLabel.indexOf("[");
int closingBracketPos = newLabel.lastIndexOf("]");
if (openingBracketPos != -1 && openingBracketPos != newLabel.length() - 1) {
// we consider there is a closing bracket at the end of the string
if (closingBracketPos == -1 || closingBracketPos < openingBracketPos) {
closingBracketPos = newLabel.length();
}
guard = newLabel.substring(openingBracketPos + 1, closingBracketPos).trim();
// We now consider the rest of the string i.e. trigger events
eventPart = newLabel.substring(0, openingBracketPos).trim();
} else {
guard = null;
eventPart = newLabel.trim();
}
// Get the containing flow
if (transition.eContainer() != null && transition.eContainer() instanceof Flow) {
Flow flow = (Flow) transition.eContainer();
String[] events = eventPart.split(",");
// Retrieve associated events and possible event types
Collection<Event> associatedEvents = FlowsUtil.getAssociatedEvents(flow);
Collection<WidgetEventTypeAndAbstractViewElement> possibleEvents = FlowsUtil.getPossibleWidgetEvents(flow);
Collection<Object> eventsToBeAssociated = new ArrayList<Object>();
for (String event : events) {
List<Object> candidatesEvents = new ArrayList<Object>();
String eventName = event.trim();
if (eventName != null && !eventName.equals("")) {
// Test if the event was already associated
boolean alreadyAssociatedEvent = false;
for (Event alreadyAssociated : transition.getOn()) {
if (eventName.equals(alreadyAssociated.getName().trim())) {
alreadyAssociatedEvent = true;
break;
}
}
if (alreadyAssociatedEvent) {
break;
}
for (Event associatedEvent : associatedEvents) {
if (eventName.equalsIgnoreCase(associatedEvent.getName().trim())) {
candidatesEvents.add(associatedEvent);
}
}
for (WidgetEventTypeAndAbstractViewElement widgetEventTypeAndElement : possibleEvents) {
if (eventName.equalsIgnoreCase(widgetEventTypeAndElement.getWidgetEventType().getName().trim())) {
candidatesEvents.add(widgetEventTypeAndElement);
}
}
}
// Now, let's see if we had some results
if (candidatesEvents.isEmpty()) {
notFoundEventNames.add(eventName);
} else if (candidatesEvents.size() == 1 && candidatesEvents.get(0) instanceof Event) {
eventsToBeAssociated.add((Event) candidatesEvents.get(0));
} else if (candidatesEvents.size() == 1 && candidatesEvents.get(0) instanceof WidgetEventTypeAndAbstractViewElement) {
WidgetEventTypeAndAbstractViewElement info = (WidgetEventTypeAndAbstractViewElement) candidatesEvents.get(0);
boolean create = MessageDialog.openQuestion(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Create a new Event ?", "An event named '" + eventName + "' does not exist yet but a ViewEvent could be created for the widget '" + info.getAbstractViewElement().getName() + "'.\n" + "Do you want to create this event ?");
if (create) {
eventsToBeAssociated.add(info);
}
} else {
Object result = UiUtil.getUserChoiceWithinList("Select an event", "You could pick an existing event or create a new one for '" + eventName + "'", candidatesEvents.toArray(), new LabelProvider() {
@Override
public Image getImage(Object element) {
URL imageURL = null;
if (element instanceof FlowEvent) {
imageURL = (URL) CinematicEditPlugin.INSTANCE.getImage("full/obj16/FlowEvent");
} else if (element instanceof ViewEvent) {
imageURL = (URL) CinematicEditPlugin.INSTANCE.getImage("full/obj16/ViewEvent");
} else if (element instanceof WidgetEventTypeAndAbstractViewElement) {
imageURL = (URL) CinematicEditPlugin.INSTANCE.getImage("full/obj16/NewViewEvent");
}
if (imageURL != null) {
ImageDescriptor imgDesc = ImageDescriptor.createFromURL(imageURL);
if (imgDesc != null) {
return imgDesc.createImage();
}
}
return null;
}
@Override
public String getText(Object element) {
String label = null;
if (element instanceof Event) {
Event event = (Event) element;
label = getLabel(event);
} else if (element instanceof WidgetEventTypeAndAbstractViewElement) {
AbstractViewElement viewElement = ((WidgetEventTypeAndAbstractViewElement) element).getAbstractViewElement();
WidgetEventType eventType = ((WidgetEventTypeAndAbstractViewElement) element).getWidgetEventType();
label = getLabel(viewElement) + "::" + eventType.getName() + " (will create a new event)";
}
return label;
}
private String getLabel(EObject eObject) {
String label = "";
if (eObject.eContainer() != null) {
String parentLabel = getLabel(eObject.eContainer());
if (parentLabel != null) {
label = parentLabel + "::";
}
}
if (eObject instanceof NamedElement) {
label += ((NamedElement) eObject).getName();
}
return label;
}
});
if (result != null) {
eventsToBeAssociated.add(result);
}
}
}
// Warn and ask the user if we have to continue
boolean doIt = true;
if (!notFoundEventNames.isEmpty()) {
String label = "";
for (String name : notFoundEventNames) {
label += "'" + name + "',";
}
// Remove last comma
label = label.substring(0, label.length() - 1);
doIt = MessageDialog.openQuestion(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Edit the transition", "No event found for " + label + ".\n" + "Edit the transition anyway ?");
}
if (doIt) {
transition.setGuard(guard);
// Let's associate the events now
if (!eventsToBeAssociated.isEmpty()) {
transition.getOn().clear();
for (Object object : eventsToBeAssociated) {
if (object instanceof Event) {
transition.getOn().add((Event) object);
} else if (object instanceof WidgetEventTypeAndAbstractViewElement) {
AbstractViewElement viewElement = ((WidgetEventTypeAndAbstractViewElement) object).getAbstractViewElement();
WidgetEventType eventType = ((WidgetEventTypeAndAbstractViewElement) object).getWidgetEventType();
ViewEvent event = ViewFactory.eINSTANCE.createViewEvent();
event.setName(eventType.getName());
event.setType(eventType);
viewElement.getEvents().add(event);
transition.getOn().add(event);
}
}
}
}
}
return transition;
}
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