loongoffice/odk/examples/java/Inspector/UnoTreeRenderer.java

/*************************************************************************
 *
 *  $RCSfile: UnoTreeRenderer.java,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: hr $ $Date: 2007-01-02 15:03:11 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  the BSD license.
 *
 *  Copyright (c) 2003 by Sun Microsystems, Inc.
 *  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 Sun Microsystems, Inc. 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
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 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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import java.awt.Color;
import java.awt.Component;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.SystemColor;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;



public class UnoTreeRenderer extends DefaultTreeCellRenderer{
    private Icon m_oMethodIcon;
    private Icon m_oPropertyIcon;
    private Icon m_oContainerIcon;
    private Icon m_oContentIcon;
    private Icon m_oServiceIcon;
    private Icon m_oInterfaceIcon;
    private Icon m_oPropertyValueIcon;
    private boolean bSelected;
    private int nWidth = 0;


    /** Creates a new instance of UnoTreeRenderer */
    public UnoTreeRenderer(){
        super();
        final ClassLoader loader = ClassLoader.getSystemClassLoader();
    m_oMethodIcon = new ImageIcon(loader.getResource("images/methods_16.png"));
        m_oPropertyIcon = new ImageIcon("images/properties_16.png");
        m_oPropertyValueIcon = new ImageIcon("images/properties_16.png");
        m_oContainerIcon = new ImageIcon("images/containers_16.png");
        m_oServiceIcon = new ImageIcon("images/services_16.png");
        m_oInterfaceIcon = new ImageIcon("images/interfaces_16.png");
        m_oContentIcon = new ImageIcon("images/content_16.png");
    }


    public synchronized Component getTreeCellRendererComponent(JTree tree,Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus){
        bSelected = sel;
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
        Component rc = super.getTreeCellRendererComponent( tree, value, sel,expanded, leaf, row,hasFocus);
        String  sLabelText = (String)node.getUserObject();
        if (sLabelText != null){
            if (sLabelText.equals(UnoNode.SCONTAINERDESCRIPTION)){
                setIcon(m_oContainerIcon);
            }
            else if (sLabelText.equals(UnoNode.SCONTENTDESCRIPTION)){
                setIcon(m_oContentIcon);
            }
            else if (sLabelText.equals(UnoNode.SINTERFACEDESCRIPTION)){
                setIcon(m_oInterfaceIcon);
            }
            else if (sLabelText.equals(UnoNode.SMETHODDESCRIPTION)){
                setIcon(m_oMethodIcon);
            }
            else if (sLabelText.equals(UnoNode.SPROPERTYDESCRIPTION)){
                setIcon(m_oPropertyIcon);
            }
            else if (sLabelText.startsWith(UnoNode.SPROPERTYINFODESCRIPTION)){
                setIcon(m_oPropertyIcon);
            }
            else if (sLabelText.equals(UnoNode.SPROPERTYVALUEDESCRIPTION)){
                setIcon(m_oPropertyValueIcon);
            }
            else if (sLabelText.equals(UnoNode.SSERVICEDESCRIPTION)){
                setIcon(m_oServiceIcon);
            }
            else{
                setText(sLabelText);
                rc.validate();
            }
            setSize(getPreferredSize()); //fm.stringWidth(sLabelText), (int) getSize().getHeight());
            rc.validate();
//            nWidth = (int) rc.getPreferredSize().getWidth();
            doLayout();
        }
        return this;
    }



    public void paintComponent(Graphics g) {
         FontMetrics fm = getFontMetrics(getFont());
         int x, y;
         y = fm.getAscent() + 2;
         if(getIcon() == null) {
            x = 0;
         } else {
            x = getIcon().getIconWidth() + getIconTextGap();
         }
         g.setColor(getForeground());
//         g.fillRect(x,y,x + fm.stringWidth(getText()),y);
//        System.out.println("Text: " + getText());
        super.paintComponent(g);
    }
}