/**
* Copyright (c) 2003-2006, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://www.pdfbox.org
*
*/
package org.pdfbox.pdfviewer;
import java.awt.Component;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import org.pdfbox.cos.COSArray;
import org.pdfbox.cos.COSBase;
import org.pdfbox.cos.COSDictionary;
import org.pdfbox.cos.COSName;
import org.pdfbox.cos.COSNull;
import org.pdfbox.cos.COSFloat;
import org.pdfbox.cos.COSInteger;
import org.pdfbox.cos.COSStream;
import org.pdfbox.cos.COSString;
/**
* A class to render tree cells for the pdfviewer.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.6 $
*/
public class PDFTreeCellRenderer extends DefaultTreeCellRenderer
{
/**
* {@inheritDoc}
*/
public Component getTreeCellRendererComponent(
JTree tree,
Object nodeValue,
boolean isSelected,
boolean expanded,
boolean leaf,
int row,
boolean componentHasFocus)
{
nodeValue = convertToTreeObject( nodeValue );
return super.getTreeCellRendererComponent( tree, nodeValue, isSelected, expanded, leaf,
row, componentHasFocus );
}
private Object convertToTreeObject( Object nodeValue )
{
if( nodeValue instanceof MapEntry )
{
MapEntry entry = (MapEntry)nodeValue;
COSName key = (COSName)entry.getKey();
COSBase value = (COSBase)entry.getValue();
nodeValue = key.getName() + ":" + convertToTreeObject( value );
}
else if( nodeValue instanceof COSFloat )
{
nodeValue = "" + ((COSFloat)nodeValue).floatValue();
}
else if( nodeValue instanceof COSInteger )
{
nodeValue = "" + ((COSInteger)nodeValue).intValue();
}
else if( nodeValue instanceof COSString )
{
nodeValue = ((COSString)nodeValue).getString();
}
else if( nodeValue instanceof COSName )
{
nodeValue = ((COSName)nodeValue).getName();
}
else if( nodeValue instanceof ArrayEntry )
{
ArrayEntry entry = (ArrayEntry)nodeValue;
nodeValue = "[" + entry.getIndex() + "]" + convertToTreeObject( entry.getValue() );
}
else if( nodeValue instanceof COSNull )
{
nodeValue = "null";
}
else if( nodeValue instanceof COSDictionary )
{
COSDictionary dict = (COSDictionary)nodeValue;
if( nodeValue instanceof COSStream )
{
nodeValue = "Stream";
}
else
{
nodeValue = "Dictionary";
}
COSName type = (COSName)dict.getDictionaryObject( COSName.TYPE );
if( type != null )
{
nodeValue = nodeValue + "(" + type.getName();
COSName subType = (COSName)dict.getDictionaryObject( COSName.SUBTYPE );
if( subType != null )
{
nodeValue = nodeValue + ":" + subType.getName();
}
nodeValue = nodeValue + ")";
}
}
else if( nodeValue instanceof COSArray )
{
nodeValue="Array";
}
else if( nodeValue instanceof COSString )
{
nodeValue = ((COSString)nodeValue).getString();
}
return nodeValue;
}
}