| /* |
| * Copyright (c) 2011, 2012, 2015 Eike Stepper (Berlin, Germany) and others. |
| * 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: |
| * Martin Fluegge - initial API and implementation |
| * |
| */ |
| package org.eclipse.emf.cdo.dawn.examples.acore.graphiti.features; |
| |
| import org.eclipse.emf.cdo.dawn.examples.acore.AClass; |
| import org.eclipse.emf.cdo.dawn.helper.DawnEditorHelper; |
| |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.context.ICustomContext; |
| import org.eclipse.graphiti.features.custom.AbstractCustomFeature; |
| import org.eclipse.graphiti.mm.pictograms.PictogramElement; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * @author Martin Fluegge |
| */ |
| public class AcoreRenameAClassFeature extends AbstractCustomFeature |
| { |
| private boolean hasDoneChanges = false; |
| |
| public AcoreRenameAClassFeature(IFeatureProvider fp) |
| { |
| super(fp); |
| } |
| |
| @Override |
| public String getName() |
| { |
| return "Rename AClass"; |
| } |
| |
| @Override |
| public String getDescription() |
| { |
| return "Change the name of the AClass"; |
| } |
| |
| @Override |
| public boolean canExecute(ICustomContext context) |
| { |
| // allow rename if exactly one pictogram element |
| // representing a AClass is selected |
| boolean ret = false; |
| PictogramElement[] pes = context.getPictogramElements(); |
| if (pes != null && pes.length == 1) |
| { |
| Object bo = getBusinessObjectForPictogramElement(pes[0]); |
| if (bo instanceof AClass) |
| { |
| ret = true; |
| } |
| } |
| return ret; |
| } |
| |
| public void execute(ICustomContext context) |
| { |
| PictogramElement[] pes = context.getPictogramElements(); |
| if (pes != null && pes.length == 1) |
| { |
| Object bo = getBusinessObjectForPictogramElement(pes[0]); |
| if (bo instanceof AClass) |
| { |
| AClass AClass = (AClass)bo; |
| String currentName = AClass.getName(); |
| // ask user for a new class name |
| String newName = askString(getName(), getDescription(), currentName); |
| if (newName != null && !newName.equals(currentName)) |
| { |
| hasDoneChanges = true; |
| AClass.setName(newName); |
| updatePictogramElement(pes[0]); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean hasDoneChanges() |
| { |
| return hasDoneChanges; |
| } |
| |
| public String askString(String dialogTitle, String dialogMessage, String initialValue) |
| { |
| String ret = null; |
| Shell shell = DawnEditorHelper.getActiveShell(); |
| InputDialog inputDialog = new InputDialog(shell, dialogTitle, dialogMessage, initialValue, null); |
| int retDialog = inputDialog.open(); |
| if (retDialog == Window.OK) |
| { |
| ret = inputDialog.getValue(); |
| } |
| return ret; |
| } |
| } |