121 lines
4.6 KiB
Java
121 lines
4.6 KiB
Java
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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package org.apache.poi.contrib.poibrowser;
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import java.awt.*;
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import javax.swing.*;
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import javax.swing.tree.*;
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/**
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* <p>{@link TreeCellRenderer} for a {@link DocumentDescriptor}. The
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* renderer is extremly rudimentary since displays only the document's
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* name, its size and its fist few bytes.</p>
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*
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* @author Rainer Klute (klute@rainer-klute.de)
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* @version $Id$
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* @since 2002-02-05
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*/
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public class DocumentDescriptorRenderer extends DefaultTreeCellRenderer
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{
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public Component getTreeCellRendererComponent(final JTree tree,
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final Object value,
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final boolean selected,
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final boolean expanded,
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final boolean leaf,
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final int row,
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final boolean hasFocus)
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{
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final DocumentDescriptor d = (DocumentDescriptor)
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((DefaultMutableTreeNode) value).getUserObject();
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final JPanel p = new JPanel();
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final JTextArea text = new JTextArea();
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text.append(renderAsString(d));
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text.setFont(new Font("Monospaced", Font.PLAIN, 10));
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p.add(text);
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if (selected)
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Util.invert(text);
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return p;
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}
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/**
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* <p>Renders {@link DocumentDescriptor} as a string.</p>
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*/
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protected String renderAsString(final DocumentDescriptor d)
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{
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final StringBuffer b = new StringBuffer();
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b.append("Name: ");
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b.append(d.name);
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b.append(" (");
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b.append(Codec.hexEncode(d.name));
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b.append(") \n");
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b.append("Size: ");
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b.append(d.size);
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b.append(" bytes\n");
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b.append("First bytes: ");
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b.append(Codec.hexEncode(d.bytes));
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return b.toString();
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}
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}
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