| 1 | /* |
| 2 | * Copyright 2007, SDQ, IPD, University of Karlsruhe |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.usage.edit.policies; |
| 5 | |
| 6 | import java.util.Iterator; |
| 7 | |
| 8 | import org.eclipse.emf.ecore.EAnnotation; |
| 9 | import org.eclipse.gef.commands.Command; |
| 10 | import org.eclipse.gmf.runtime.common.core.command.ICompositeCommand; |
| 11 | import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand; |
| 12 | import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand; |
| 13 | import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand; |
| 14 | import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest; |
| 15 | import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest; |
| 16 | import org.eclipse.gmf.runtime.notation.Node; |
| 17 | import org.eclipse.gmf.runtime.notation.View; |
| 18 | |
| 19 | import de.uka.ipd.sdq.pcm.gmf.usage.edit.commands.ScenarioBehaviour3CreateCommand; |
| 20 | import de.uka.ipd.sdq.pcm.gmf.usage.edit.parts.ScenarioBehaviour3EditPart; |
| 21 | import de.uka.ipd.sdq.pcm.gmf.usage.part.PalladioComponentModelVisualIDRegistry; |
| 22 | import de.uka.ipd.sdq.pcm.gmf.usage.providers.PalladioComponentModelElementTypes; |
| 23 | |
| 24 | /** |
| 25 | * @generated |
| 26 | */ |
| 27 | public class BranchTransitionItemSemanticEditPolicy extends |
| 28 | PalladioComponentModelBaseItemSemanticEditPolicy { |
| 29 | |
| 30 | /** |
| 31 | * @generated |
| 32 | */ |
| 33 | public BranchTransitionItemSemanticEditPolicy() { |
| 34 | super(PalladioComponentModelElementTypes.BranchTransition_3009); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * @generated |
| 39 | */ |
| 40 | protected Command getCreateCommand(CreateElementRequest req) { |
| 41 | if (PalladioComponentModelElementTypes.ScenarioBehaviour_3010 == req |
| 42 | .getElementType()) { |
| 43 | return getGEFWrapper(new ScenarioBehaviour3CreateCommand(req)); |
| 44 | } |
| 45 | return super.getCreateCommand(req); |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * @generated |
| 50 | */ |
| 51 | protected Command getDestroyElementCommand(DestroyElementRequest req) { |
| 52 | View view = (View) getHost().getModel(); |
| 53 | CompositeTransactionalCommand cmd = new CompositeTransactionalCommand( |
| 54 | getEditingDomain(), null); |
| 55 | cmd.setTransactionNestingEnabled(false); |
| 56 | EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$ |
| 57 | if (annotation == null) { |
| 58 | // there are indirectly referenced children, need extra commands: false |
| 59 | addDestroyChildNodesCommand(cmd); |
| 60 | addDestroyShortcutsCommand(cmd, view); |
| 61 | // delete host element |
| 62 | cmd.add(new DestroyElementCommand(req)); |
| 63 | } else { |
| 64 | cmd.add(new DeleteCommand(getEditingDomain(), view)); |
| 65 | } |
| 66 | return getGEFWrapper(cmd.reduce()); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * @generated |
| 71 | */ |
| 72 | private void addDestroyChildNodesCommand(ICompositeCommand cmd) { |
| 73 | View view = (View) getHost().getModel(); |
| 74 | for (Iterator nit = view.getChildren().iterator(); nit.hasNext();) { |
| 75 | Node node = (Node) nit.next(); |
| 76 | switch (PalladioComponentModelVisualIDRegistry.getVisualID(node)) { |
| 77 | case ScenarioBehaviour3EditPart.VISUAL_ID: |
| 78 | cmd.add(new DestroyElementCommand(new DestroyElementRequest( |
| 79 | getEditingDomain(), node.getElement(), false))); // directlyOwned: true |
| 80 | // don't need explicit deletion of node as parent's view deletion would clean child views as well |
| 81 | // cmd.add(new org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand(getEditingDomain(), node)); |
| 82 | break; |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | } |