htmlviewertreerenderer.java

Java实例入门

/*
 * Copyright (c) 1996-2001 Borland Software Corporation. All Rights Reserved.
 * 
 * This SOURCE CODE FILE, which has been provided by Borland Software as part
 * of an Borland Software product for use ONLY by licensed users of the product,
 * includes CONFIDENTIAL and PROPRIETARY information of Borland Software.  
 *
 * USE OF THIS SOFTWARE IS GOVERNED BY THE TERMS AND CONDITIONS 
 * OF THE LICENSE STATEMENT AND LIMITED WARRANTY FURNISHED WITH
 * THE PRODUCT.
 *
 * IN PARTICULAR, YOU WILL INDEMNIFY AND HOLD BORLAND SOFTWARE, ITS
 * RELATED COMPANIES AND ITS SUPPLIERS, HARMLESS FROM AND AGAINST ANY
 * CLAIMS OR LIABILITIES ARISING OUT OF THE USE, REPRODUCTION, OR
 * DISTRIBUTION OF YOUR PROGRAMS, INCLUDING ANY CLAIMS OR LIABILITIES
 * ARISING OUT OF OR RESULTING FROM THE USE, MODIFICATION, OR
 * DISTRIBUTION OF PROGRAMS OR FILES CREATED FROM, BASED ON, AND/OR
 * DERIVED FROM THIS SOURCE CODE FILE.
 */
//------------------------------------------------------------------------------
// Copyright (c) 1996-2001 Borland Software Corporation.  All Rights Reserved.
//------------------------------------------------------------------------------

package com.borland.samples.dbswing.htmlviewer;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;

public class HtmlViewerTreeRenderer extends DefaultTreeCellRenderer {

  public HtmlViewerTreeRenderer() {
    super();
    closedIcon = null;
    openIcon = null;
    leafIcon = null;
  }

  public Component getTreeCellRendererComponent(JTree tree, Object value,
    boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {

    String nodeId = (String) ((DefaultMutableTreeNode) value).getUserObject();
    int lastBackslash = nodeId.lastIndexOf('/');
    return super.getTreeCellRendererComponent(tree,
      (lastBackslash == -1) ? nodeId : nodeId.substring(lastBackslash + 1),
      selected, expanded, leaf, row, hasFocus);
  }

}