| /******************************************************************************* |
| * Copyright (c) 2004-2008 Istvan Rath and Daniel Varro |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Istvan Rath - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.viatra2.treeeditor.actions;
|
|
|
|
|
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.viatra2.core.IRelation; |
| import org.eclipse.viatra2.treeeditor.Plugin; |
| import org.eclipse.viatra2.treeeditor.ViatraTreeEditor; |
| import org.eclipse.viatra2.treeeditor.providers.ViatraContentProvider.TargetRelationDummy; |
|
|
| public class NavigateRelationSourceAction extends ViatraTreeEditorSelectionAction {
|
|
|
| public static final String ID = "ViatraTreeEditor.Actions.NavigateRelationSourceAction";
|
|
|
| public NavigateRelationSourceAction(IWorkbenchPart part) {
|
| super(part);
|
| setText("Navigate to source");
|
| setToolTipText("Reveal and select the source of this relation.");
|
| setImageDescriptor(Plugin.getImageDescriptor("icons/relation_target_transparent.png"));
|
| }
|
|
|
| public void run() {
|
| final IRelation source = ((TargetRelationDummy)getSelectedObjects().toList().get(0)).rel;
|
| Display.getDefault().asyncExec(new Runnable(){
|
| public void run() {
|
| try {
|
| ((ViatraTreeEditor)iPart).getTreeViewer().reveal( source.getFrom() );
|
|
|
| ((ViatraTreeEditor)iPart).getTreeViewer().setSelection(new StructuredSelection(new Object[]{source.getFrom()}));
|
| }
|
| catch (Exception e) { e.printStackTrace(); }
|
| }
|
| });
|
| }
|
|
|
| @Override
|
| public void updateSelf() {
|
| if (getSelectedObjects().size() == 1 && getSelectedObjects().getFirstElement() instanceof TargetRelationDummy)
|
| setEnabled(true);
|
| else
|
| setEnabled(false);
|
|
|
| }
|
|
|
| }
|
