plugins/org.eclipse.oomph.base.edit/src/org/eclipse/oomph/edit/BaseAdapterFactoryEditingDomain.java

/*
 * Copyright (c) 2014 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:
 *    Eike Stepper - initial API and implementation
 */
package org.eclipse.oomph.edit;

import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CommandStack;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.edit.command.CommandParameter;
import org.eclipse.emf.edit.command.PasteFromClipboardCommand;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;

import java.util.Collection;
import java.util.Map;

/**
 * @author Ed Merks
 */
public class BaseAdapterFactoryEditingDomain extends AdapterFactoryEditingDomain
{
  public BaseAdapterFactoryEditingDomain(AdapterFactory adapterFactory, CommandStack commandStack)
  {
    super(adapterFactory, commandStack);
  }

  public BaseAdapterFactoryEditingDomain(AdapterFactory adapterFactory, CommandStack commandStack, Map<Resource, Boolean> resourceToReadOnlyMap)
  {
    super(adapterFactory, commandStack, resourceToReadOnlyMap);
  }

  public BaseAdapterFactoryEditingDomain(AdapterFactory adapterFactory, CommandStack commandStack, ResourceSet resourceSet)
  {
    super(adapterFactory, commandStack, resourceSet);
  }

  @Override
  public Command createCommand(Class<? extends Command> commandClass, CommandParameter commandParameter)
  {
    if (commandClass == PasteFromClipboardCommand.class)
    {
      Collection<Object> clipboard = getClipboard();
      Command primaryPasteCommand = new BasePasteFromClipboardCommand(this, commandParameter.getOwner(), commandParameter.getFeature(), clipboard,
          commandParameter.getIndex(), true);
      if (!primaryPasteCommand.canExecute())
      {
        BasePasteFromClipboardCommand alternativePasteCommand = new BasePasteFromClipboardCommand(this, commandParameter.getOwner(),
            commandParameter.getFeature(), clipboard, commandParameter.getIndex(), false);
        if (alternativePasteCommand.canExecute())
        {
          primaryPasteCommand.dispose();
          return alternativePasteCommand;
        }

        alternativePasteCommand.dispose();
      }

      return primaryPasteCommand;
    }

    return super.createCommand(commandClass, commandParameter);
  }
}