tooling/org.eclipse.smila.processing.designer.ui/code/src/org/eclipse/smila/processing/designer/ui/commands/RemoveFromListFeatureCommand.java

/***********************************************************************************************************************
 * Copyright (c) 2010 Attensity Europe GmbH. 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
 **********************************************************************************************************************/
package org.eclipse.smila.processing.designer.ui.commands;

import java.util.List;

import org.eclipse.bpel.ui.commands.RemoveFromListCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.smila.processing.designer.model.record.RecordValues;

/**
 * Removes a value from a {@link RecordValues} object.
 * 
 * Copyright (c) 2011 Attensity Europe GmbH
 * 
 * @author Tobias Liefke
 */
public class RemoveFromListFeatureCommand extends RemoveFromListCommand {

  private final EStructuralFeature feature;

  /**
   * Creates a new instance of RemoveFromListFeatureCommand.
   * 
   * @param oldElement
   *          the element to remove from its container
   */
  public RemoveFromListFeatureCommand(EObject oldElement) {
    this(oldElement.eContainer(), oldElement, oldElement.eContainingFeature(), "Remove value");
  }

  /**
   * Creates a new instance of RemoveFromListFeatureCommand.
   * 
   * @param target
   *          the object that contains the list to modify
   * @param oldElement
   *          the element to remve from the list
   * @param feature
   *          the id of the list attribute
   */
  public RemoveFromListFeatureCommand(EObject target, Object oldElement, EStructuralFeature feature) {
    this(target, oldElement, feature, "Remove value");
  }

  /**
   * Creates a new instance of RemoveFromListFeatureCommand.
   * 
   * @param target
   *          the object that contains the list to modify
   * @param oldElement
   *          the element to remve from the list
   * @param feature
   *          the id of the list attribute
   * @param label
   *          the label of the command (for undo)
   */
  public RemoveFromListFeatureCommand(EObject target, Object oldElement, EStructuralFeature feature, String label) {
    super(target, oldElement, label);
    this.feature = feature;
  }

  @Override
  protected List<?> getList() {
    return (List<?>) target.eGet(feature);
  }
}