| /* |
| * |
| */ |
| package flowchart.diagram.edit.policies; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.ecore.EAnnotation; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gmf.runtime.diagram.core.commands.DeleteCommand; |
| import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand; |
| import org.eclipse.gmf.runtime.emf.type.core.commands.DestroyElementCommand; |
| import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest; |
| import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest; |
| import org.eclipse.gmf.runtime.emf.type.core.requests.ReorientRelationshipRequest; |
| import org.eclipse.gmf.runtime.notation.Edge; |
| import org.eclipse.gmf.runtime.notation.View; |
| |
| import flowchart.diagram.edit.commands.TransitionCreateCommand; |
| import flowchart.diagram.edit.commands.TransitionReorientCommand; |
| import flowchart.diagram.edit.parts.TransitionEditPart; |
| import flowchart.diagram.part.FlowchartVisualIDRegistry; |
| import flowchart.diagram.providers.FlowchartElementTypes; |
| |
| /** |
| * @generated |
| */ |
| public class SubflowItemSemanticEditPolicy extends |
| FlowchartBaseItemSemanticEditPolicy { |
| |
| /** |
| * @generated |
| */ |
| public SubflowItemSemanticEditPolicy() { |
| super(FlowchartElementTypes.Subflow_2001); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Command getDestroyElementCommand(DestroyElementRequest req) { |
| View view = (View) getHost().getModel(); |
| CompositeTransactionalCommand cmd = new CompositeTransactionalCommand( |
| getEditingDomain(), null); |
| cmd.setTransactionNestingEnabled(false); |
| for (Iterator<?> it = view.getTargetEdges().iterator(); it.hasNext();) { |
| Edge incomingLink = (Edge) it.next(); |
| if (FlowchartVisualIDRegistry.getVisualID(incomingLink) == TransitionEditPart.VISUAL_ID) { |
| DestroyElementRequest r = new DestroyElementRequest( |
| incomingLink.getElement(), false); |
| cmd.add(new DestroyElementCommand(r)); |
| cmd.add(new DeleteCommand(getEditingDomain(), incomingLink)); |
| continue; |
| } |
| } |
| for (Iterator<?> it = view.getSourceEdges().iterator(); it.hasNext();) { |
| Edge outgoingLink = (Edge) it.next(); |
| if (FlowchartVisualIDRegistry.getVisualID(outgoingLink) == TransitionEditPart.VISUAL_ID) { |
| DestroyElementRequest r = new DestroyElementRequest( |
| outgoingLink.getElement(), false); |
| cmd.add(new DestroyElementCommand(r)); |
| cmd.add(new DeleteCommand(getEditingDomain(), outgoingLink)); |
| continue; |
| } |
| } |
| EAnnotation annotation = view.getEAnnotation("Shortcut"); //$NON-NLS-1$ |
| if (annotation == null) { |
| // there are indirectly referenced children, need extra commands: false |
| addDestroyShortcutsCommand(cmd, view); |
| // delete host element |
| cmd.add(new DestroyElementCommand(req)); |
| } else { |
| cmd.add(new DeleteCommand(getEditingDomain(), view)); |
| } |
| return getGEFWrapper(cmd.reduce()); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Command getCreateRelationshipCommand(CreateRelationshipRequest req) { |
| Command command = req.getTarget() == null ? getStartCreateRelationshipCommand(req) |
| : getCompleteCreateRelationshipCommand(req); |
| return command != null ? command : super |
| .getCreateRelationshipCommand(req); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Command getStartCreateRelationshipCommand( |
| CreateRelationshipRequest req) { |
| if (FlowchartElementTypes.Transition_4001 == req.getElementType()) { |
| return getGEFWrapper(new TransitionCreateCommand(req, |
| req.getSource(), req.getTarget())); |
| } |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Command getCompleteCreateRelationshipCommand( |
| CreateRelationshipRequest req) { |
| if (FlowchartElementTypes.Transition_4001 == req.getElementType()) { |
| return getGEFWrapper(new TransitionCreateCommand(req, |
| req.getSource(), req.getTarget())); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns command to reorient EClass based link. New link target or source |
| * should be the domain model element associated with this node. |
| * |
| * @generated |
| */ |
| protected Command getReorientRelationshipCommand( |
| ReorientRelationshipRequest req) { |
| switch (getVisualID(req)) { |
| case TransitionEditPart.VISUAL_ID: |
| return getGEFWrapper(new TransitionReorientCommand(req)); |
| } |
| return super.getReorientRelationshipCommand(req); |
| } |
| |
| } |