| /** |
| * <copyright> |
| * |
| * Copyright (c) 2011, 2011 SAP AG. |
| * 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: |
| * SAP AG - initial API, implementation and documentation |
| * |
| * </copyright> |
| */ |
| package org.eclipse.graphiti.examples.chess.features; |
| |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.graphiti.examples.chess.Messages; |
| import org.eclipse.graphiti.examples.mm.chess.Board; |
| import org.eclipse.graphiti.examples.mm.chess.ChessFactory; |
| import org.eclipse.graphiti.features.IFeatureProvider; |
| import org.eclipse.graphiti.features.context.ICreateContext; |
| import org.eclipse.graphiti.features.impl.AbstractCreateFeature; |
| import org.eclipse.graphiti.mm.pictograms.Diagram; |
| |
| public class CreateChessBoardFeature extends AbstractCreateFeature { |
| |
| public CreateChessBoardFeature(IFeatureProvider fp) { |
| super(fp, Messages.CreateChessBoardFeature_name, Messages.CreateChessBoardFeature_description); |
| } |
| |
| public boolean canCreate(ICreateContext context) { |
| if (context.getTargetContainer() instanceof Diagram) { |
| // Add new board only in case of an empty diagram |
| return context.getTargetContainer().getChildren().size() == 0; |
| } |
| return false; |
| } |
| |
| public Object[] create(ICreateContext context) { |
| Resource resource = context.getTargetContainer().eResource(); |
| |
| // Create a new chess board and add it to an EMF resource |
| Board board = ChessFactory.eINSTANCE.createBoard(); |
| resource.getContents().add(board); |
| |
| // Delegate to the add feature |
| addGraphicalRepresentation(context, board); |
| return new Object[] { board }; |
| } |
| } |