| /******************************************************************************* |
| * Copyright (c) 2008, 2012 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.commands; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.bpel.common.ui.editmodel.AbstractEditModelCommand; |
| import org.eclipse.bpel.model.resource.BPELResource; |
| import org.eclipse.bpel.ui.commands.util.AutoUndoCommand; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.gef.commands.Command; |
| |
| public class CompoundCommand extends AutoUndoCommand { |
| private List<Command> commandList = new ArrayList<Command>(); |
| |
| public CompoundCommand() { |
| super(new ArrayList<Object>()); |
| } |
| |
| public CompoundCommand(String label) { |
| super(label, new ArrayList<Object>()); |
| } |
| |
| public void add(Command command) { |
| if (command != null) { |
| commandList.add(command); |
| } |
| } |
| |
| public boolean canExecute() { |
| if (commandList.size() == 0) |
| return false; |
| for (Command cmd : commandList) { |
| if (cmd == null) |
| return false; |
| if (!cmd.canExecute()) |
| return false; |
| } |
| return true; |
| } |
| |
| public boolean canDoExecute() { |
| if (commandList.size() == 0) |
| return false; |
| for (Command cmd : commandList) { |
| if (cmd == null) |
| return false; |
| if ((cmd instanceof AutoUndoCommand) && !((AutoUndoCommand)cmd).canDoExecute()) |
| return false; |
| } |
| return true; |
| } |
| |
| public void dispose() { |
| for (Command cmd : commandList) |
| cmd.dispose(); |
| } |
| |
| public void doExecute() { |
| for (Command cmd : commandList) { |
| if (cmd instanceof AutoUndoCommand) { |
| ((AutoUndoCommand)cmd).doExecute(); |
| } else { |
| cmd.execute(); |
| } |
| } |
| } |
| |
| public String getLabel() { |
| String label = super.getLabel(); |
| if (label == null) |
| if (commandList.isEmpty()) |
| return null; |
| if (label != null) |
| return label; |
| return commandList.get(0).getLabel(); |
| } |
| |
| public boolean isEmpty() { |
| return commandList.isEmpty(); |
| } |
| |
| public List<Command> getCommands() { |
| return commandList; |
| } |
| |
| @Override |
| public Set<Object> getModelRoots() { |
| HashSet<Object> result = new HashSet<Object>(); |
| for (Command command : commandList) { |
| if (command instanceof AutoUndoCommand) { |
| result.addAll(((AutoUndoCommand)command).getModelRoots()); |
| } else if (command instanceof AbstractEditModelCommand) { |
| for (Resource res : ((AbstractEditModelCommand)command).getResources()) { |
| if (res instanceof BPELResource) { |
| result.add(((BPELResource)res).getProcess()); |
| } |
| } |
| } |
| } |
| return result; |
| } |
| } |