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/*******************************************************************************
 * Copyright (c) 2006, 2007 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.ui.internal.quickaccess;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.views.IViewDescriptor;

/**
 * @since 3.3
 * 
 */
public class ViewElement extends QuickAccessElement {

  private final IViewDescriptor viewDescriptor;

  /* package */ViewElement(IViewDescriptor viewDescriptor, ViewProvider viewProvider) {
    super(viewProvider);
    this.viewDescriptor = viewDescriptor;
  }

  public void execute() {
    IWorkbenchPage activePage = PlatformUI.getWorkbench()
        .getActiveWorkbenchWindow().getActivePage();
    if (activePage != null) {
      try {
        activePage.showView(viewDescriptor.getId());
      } catch (PartInitException e) {
      }
    }
  }

  public String getId() {
    return viewDescriptor.getId();
  }

  public ImageDescriptor getImageDescriptor() {
    return viewDescriptor.getImageDescriptor();
  }

  public String getLabel() {
    return viewDescriptor.getLabel();
  }

  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result
        + ((viewDescriptor == null) ? 0 : viewDescriptor.hashCode());
    return result;
  }

  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    final ViewElement other = (ViewElement) obj;
    if (viewDescriptor == null) {
      if (other.viewDescriptor != null)
        return false;
    } else if (!viewDescriptor.equals(other.viewDescriptor))
      return false;
    return true;
  }
}
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