/*
* Copyright (C) 2011-2014 GeoForge Project
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.geoforge.guillc.panel;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.tree.TreeCellRenderer;
import org.geoforge.java.awt.color.GfrColor;
import org.geoforge.guillc.label.LblNode;
import org.geoforge.guillc.treenode.GfrNodAbs;
import org.geoforge.guillc.treenode.GfrNodCtrFixFolderTopAbs;
import org.geoforge.lang.handler.IGfrHandlerLifeCycleObject;
/**
*
* @author bantchao
*
* email: bantchao_AT_gmail.com
* ... please remove "_AT_" from the above string to get the right email address
*
*/
abstract public class PnlTreeCellRendererAbs extends JPanel implements
TreeCellRenderer,
IGfrHandlerLifeCycleObject
{
final static private Font _FNT_TOP_ = new Font(
Font.DIALOG, // "Default",
Font.BOLD, 12);
final static private Font _FNT_OTHER_ = new Font(
Font.DIALOG, // "Default",
Font.PLAIN, 12);
protected LblNode _lbl = null;
protected PnlTreeCellRendererAbs()
{
super();
this._lbl = new LblNode();
}
@Override
public void setBackground(Color color)
{
//if (color instanceof ColorUIResource)
// color = null;
super.setBackground(color);
}
@Override
public boolean init() {
this.add(this._lbl);
return true;
}
@Override
public void destroy() {
}
@Override
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean isSelected, boolean expanded, boolean leaf, int row,
boolean hasFocus)
{
if (isSelected)
super.setBackground(GfrColor.DARK_BLUE);
else
super.setBackground(GfrColor.white);
String strValue = tree.convertValueToText(value, isSelected,
expanded, leaf, row, hasFocus);
setEnabled(tree.isEnabled());
GfrNodAbs nod = (GfrNodAbs) value;
ImageIcon iinCandidate = nod.getImageIcon();
// managing style
this._lbl.setSelected(isSelected);
//this._lbl.setFont(tree.getFont());
if ((nod instanceof GfrNodCtrFixFolderTopAbs))
this._lbl.setFont(PnlTreeCellRendererAbs._FNT_TOP_);
else
this._lbl.setFont(PnlTreeCellRendererAbs._FNT_OTHER_);
this._lbl.setText(
//"<html><head></head><body>" +
strValue
//+ "</body></html>"
);
// managing icons
if (leaf)
{
if (iinCandidate != null)
this._lbl.setIcon(iinCandidate);
else
this._lbl.setIcon(UIManager.getIcon("Tree.leafIcon"));
}
else // folder
{
if (iinCandidate != null)
this._lbl.setIcon(iinCandidate);
else
if (expanded)
this._lbl.setIcon(UIManager.getIcon("Tree.openIcon"));
else
this._lbl.setIcon(UIManager.getIcon("Tree.closedIcon"));
}
return this;
}
@Override
public void paint(Graphics g)
{
super.paint(g);
}
}