Package org.eclipse.wst.xml.ui.internal.contentoutline

Source Code of org.eclipse.wst.xml.ui.internal.contentoutline.JFaceNodeLabelProvider

/*******************************************************************************
* Copyright (c) 2001, 2008 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
*     Jens Lukowski/Innoopract - initial renaming/restructuring
*    
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.contentoutline;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter;

/**
* A (column) label provider backed by JFaceNodeAdapters.
*/
public class JFaceNodeLabelProvider extends ColumnLabelProvider {
  /**
   * JFaceNodeLabelProvider constructor comment.
   */
  public JFaceNodeLabelProvider() {
    super();
  }

  /**
   * Returns the JFace adapter for the specified object.
   *
   * @param adaptable
   *            java.lang.Object The object to get the adapter for
   */
  protected IJFaceNodeAdapter getAdapter(Object adaptable) {
    if (adaptable instanceof INodeNotifier) {
      INodeAdapter adapter = ((INodeNotifier) adaptable).getAdapterFor(IJFaceNodeAdapter.class);
      if (adapter instanceof IJFaceNodeAdapter) {
        return (IJFaceNodeAdapter) adapter;
      }
    }
    return null;
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
   */
  public Image getImage(Object element) {
    IJFaceNodeAdapter adapter = getAdapter(element);
    if (adapter != null)
      return adapter.getLabelImage(element);
    return super.getImage(element);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
   */
  public String getText(Object element) {
    IJFaceNodeAdapter adapter = getAdapter(element);
    if (adapter != null)
      return adapter.getLabelText(element);
    return super.getText(element);
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object,
   *      java.lang.String)
   */
  public boolean isLabelProperty(Object element, String property) {
    return false;
  }
}
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