| 1 | package de.uka.ipd.sdq.pcmbench.tabs; |
| 2 | |
| 3 | import org.eclipse.gef.GraphicalEditPart; |
| 4 | import org.eclipse.gmf.runtime.notation.View; |
| 5 | import org.eclipse.jface.viewers.IFilter; |
| 6 | |
| 7 | import de.uka.ipd.sdq.pcm.repository.EventGroup; |
| 8 | import de.uka.ipd.sdq.pcm.repository.EventType; |
| 9 | |
| 10 | /** |
| 11 | * Filter to select only elements related to event groups and types. |
| 12 | * |
| 13 | * In the past, this was about the meanwhile generic Interface model |
| 14 | * element but has become more specific to distinct between OperationInterfaces |
| 15 | * and EventGroups. |
| 16 | * |
| 17 | * This filter is used by the property tabs definition in the GMF editors. |
| 18 | * |
| 19 | * @author Benjamin Klatt |
| 20 | * |
| 21 | */ |
| 22 | public class EventGroupFilter implements IFilter { |
| 23 | |
| 24 | /** |
| 25 | * Decide if an object is about event groups and types. |
| 26 | * This could be an EventGroup or an EventType. |
| 27 | * @param toTest The element object to test. |
| 28 | * @return true/false if the object is of type EventGroup or EventType. |
| 29 | */ |
| 30 | public boolean select(Object toTest) { |
| 31 | Object input = toTest; |
| 32 | if (input instanceof GraphicalEditPart) { |
| 33 | GraphicalEditPart ep = (GraphicalEditPart) input; |
| 34 | input = ep.getModel(); |
| 35 | } |
| 36 | if (input instanceof View) { |
| 37 | input = ((View) input).getElement(); |
| 38 | } |
| 39 | return input instanceof EventGroup || input instanceof EventType; |
| 40 | } |
| 41 | |
| 42 | } |