@Override
public Object[] create(ICreateContext context) {
// Retrieve the graph
PiGraph graph = (PiGraph) getBusinessObjectForPictogramElement(getDiagram());
// Ask user for Actor name until a valid name is entered.
String question = "Enter new round buffer actor name";
String newActorName = "RoundBufferActorName";
newActorName =
PiMMUtil.askString(
"Create Round Buffer Actor",
question,
newActorName,
new VertexNameValidator(graph, null));
if (newActorName == null || newActorName.trim().length() == 0) {
this.hasDoneChanges = false; // If this is not done, the graph is considered modified.
return EMPTY;
}
// create Actor
RoundBufferActor newActor = PiMMFactory.eINSTANCE.createRoundBufferActor();
newActor.setName(newActorName);
// Add new actor to the graph.
if (graph.getVertices().add(newActor)) {
this.hasDoneChanges = true;
}
// do the add to the Diagram
addGraphicalRepresentation(context, newActor);
// return newly created business object(s)
return new Object[] {newActor};
}
@Override
public void execute(ICustomContext context) {
// Re-check if only one element is selected
PictogramElement[] pes = context.getPictogramElements();
if (pes != null && pes.length == 1) {
Object bo = getBusinessObjectForPictogramElement(pes[0]);
if (bo instanceof Fifo) {
Fifo fifo = (Fifo) bo;
// Ask user for data type.
String question = "Enter data type for the FIFO";
String oldType = fifo.getType();
String type = oldType;
type = PiMMUtil.askString(getName(), question, type, null);
if ((type == null && oldType == null) || (type != null && type.equals(oldType))) {
this.hasDoneChanges = false;
} else {
this.hasDoneChanges = true;
}
fifo.setType(type);
// Call the layout feature
layoutPictogramElement(pes[0]);
}
}
}