org.eclipse.egf.model.edit/src/org/eclipse/egf/model/fcore/commands/ResourceFeatureAddCommand.java

/**
 * Copyright (c) 2009-2010 Thales Corporate Services S.A.S.
 * 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:
 * Thales Corporate Services S.A.S - initial API and implementation
 */
package org.eclipse.egf.model.fcore.commands;

import org.eclipse.egf.model.fcore.util.FcoreResourceImpl;
import org.eclipse.emf.edit.command.CommandActionDelegate;
import org.eclipse.emf.edit.command.CommandParameter;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;

/**
 * Multi-rooted resources support.
 * This command will add a root defined EObject to the resource.
 */
public class ResourceFeatureAddCommand extends ResourceAddCommand implements CommandActionDelegate {

  /**
   */
  private FcoreResourceImpl _fcoreResourceImpl = null;

  /**
   */
  private ItemProviderAdapter _itemProvider = null;

  /**
   */
  private Object _feature = null;

  /**
   */
  private Object _value = null;

  /**
   * Constructor
   * 
   * @param domain
   *          the editing domain
   * @param resource
   *          the resource to add to
   * @param _feature
   *          the feature to process
   * @param value
   *          the value to add
   */
  public ResourceFeatureAddCommand(EditingDomain domain, FcoreResourceImpl fcoreResourceImpl, Object feature, Object value) {
    this(domain, fcoreResourceImpl, feature, value, CommandParameter.NO_INDEX);
  }

  /**
   * Constructor
   * 
   * @param domain
   *          the editing domain
   * @param resource
   *          the resource to add to
   * @param _feature
   *          the feature to process
   * @param value
   *          the value to add
   * @param index
   *          the index
   */
  public ResourceFeatureAddCommand(EditingDomain domain, FcoreResourceImpl fcoreResourceImpl, Object feature, Object value, int index) {
    super(domain, fcoreResourceImpl, value, index);
    _fcoreResourceImpl = fcoreResourceImpl;
    _feature = feature;
    _value = value;
    if (getDomain() instanceof AdapterFactoryEditingDomain) {
      IEditingDomainItemProvider valueItemProvider = (IEditingDomainItemProvider) ((AdapterFactoryEditingDomain) getDomain()).getAdapterFactory().adapt(_value, IEditingDomainItemProvider.class);
      if (valueItemProvider instanceof ItemProviderAdapter) {
        _itemProvider = (ItemProviderAdapter) valueItemProvider;
      }
    }
    if (_itemProvider != null) {
      setLabel(_itemProvider.getCreateChildText(_fcoreResourceImpl, _feature, _value, null));
      setDescription(_itemProvider.getCreateChildDescription(_fcoreResourceImpl, _feature, _value, null));
    }
  }

  /**
   * @see org.eclipse.emf.edit.command.CommandActionDelegate#getImage()
   */
  public Object getImage() {
    return _itemProvider != null ? _itemProvider.getCreateChildImage(_fcoreResourceImpl, _feature, _value, null) : null;
  }

  /**
   * @see org.eclipse.emf.edit.command.CommandActionDelegate#getText()
   */
  public String getText() {
    return _itemProvider != null ? _itemProvider.getCreateChildText(_fcoreResourceImpl, _feature, _value, null) : null;
  }

  /**
   * @see org.eclipse.emf.edit.command.CommandActionDelegate#getToolTipText()
   */
  public String getToolTipText() {
    return _itemProvider != null ? _itemProvider.getCreateChildToolTipText(_fcoreResourceImpl, _feature, _value, null) : null;
  }

}