/*
 * DefaultTreeCellRenderer.java -- Copyright (C) 2002, 2004 Free Software
 * Foundation, Inc.
 * 
 * This file is part of GNU Classpath.
 * 
 * GNU Classpath is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2, or (at your option) any later version.
 * 
 * GNU Classpath 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 General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * GNU Classpath; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 * 
 * Linking this library statically or dynamically with other modules is making a
 * combined work based on this library. Thus, the terms and conditions of the
 * GNU General Public License cover the whole combination.
 * 
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent modules, and
 * to copy and distribute the resulting executable under terms of your choice,
 * provided that you also meet, for each linked independent module, the terms
 * and conditions of the license of that module. An independent module is a
 * module which is not derived from or based on this library. If you modify this
 * library, you may extend this exception to your version of the library, but
 * you are not obligated to do so. If you do not wish to do so, delete this
 * exception statement from your version.
 */

package javax.swing.tree;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Rectangle;

import javax.swing.Icon;
import javax.swing.JLabel;
import javax.swing.JTree;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.plaf.UIResource;

/**
 * DefaultTreeCellRenderer
 * 
 * @author Andrew Selkirk
 */
public class DefaultTreeCellRenderer
		extends JLabel
		implements TreeCellRenderer
{
	// -------------------------------------------------------------
	// Variables --------------------------------------------------
	// -------------------------------------------------------------

	/**
	 * selected
	 */
	protected boolean selected;

	/**
	 * hasFocus
	 */
	protected boolean hasFocus;

	/**
	 * drawsFocusBorderAroundIcon
	 */
	private boolean drawsFocusBorderAroundIcon;

	/**
	 * closedIcon
	 */
	protected transient Icon closedIcon;

	/**
	 * leafIcon
	 */
	protected transient Icon leafIcon;

	/**
	 * openIcon
	 */
	protected transient Icon openIcon;

	/**
	 * textSelectionColor
	 */
	protected Color textSelectionColor;

	/**
	 * textNonSelectionColor
	 */
	protected Color textNonSelectionColor;

	/**
	 * backgroundSelectionColor
	 */
	protected Color backgroundSelectionColor;

	/**
	 * backgroundNonSelectionColor
	 */
	protected Color backgroundNonSelectionColor;

	/**
	 * borderSelectionColor
	 */
	protected Color borderSelectionColor;

	// -------------------------------------------------------------
	// Initialization ---------------------------------------------
	// -------------------------------------------------------------

	/**
	 * Constructor DefaultTreeCellRenderer
	 */
	public DefaultTreeCellRenderer()
	{
		UIDefaults defaults = UIManager.getLookAndFeelDefaults();

		setLeafIcon(getDefaultLeafIcon());
		setOpenIcon(getDefaultOpenIcon());
		setClosedIcon(getDefaultClosedIcon());

		setTextNonSelectionColor(defaults.getColor("Tree.textForeground"));
		setTextSelectionColor(defaults.getColor("Tree.selectionForeground"));
		setBackgroundNonSelectionColor(defaults
				.getColor("Tree.textBackground"));
		setBackgroundSelectionColor(defaults
				.getColor("Tree.selectionBackground"));
		setBorderSelectionColor(defaults
				.getColor("Tree.selectionBorderColor"));
	}

	// -------------------------------------------------------------
	// Methods ----------------------------------------------------
	// -------------------------------------------------------------

	/**
	 * getDefaultOpenIcon
	 * 
	 * @returns Icon
	 */
	public Icon getDefaultOpenIcon()
	{
		return UIManager.getLookAndFeelDefaults().getIcon("Tree.openIcon");
	}

	/**
	 * getDefaultClosedIcon
	 * 
	 * @returns Icon
	 */
	public Icon getDefaultClosedIcon()
	{
		return UIManager.getLookAndFeelDefaults().getIcon("Tree.closedIcon");
	}

	/**
	 * getDefaultLeafIcon
	 * 
	 * @returns Icon
	 */
	public Icon getDefaultLeafIcon()
	{
		return UIManager.getLookAndFeelDefaults().getIcon("Tree.leafIcon");
	}

	/**
	 * setOpenIcon
	 * 
	 * @param value0 TODO
	 */
	public void setOpenIcon(Icon i)
	{
		openIcon = i;
	}

	/**
	 * getOpenIcon
	 * 
	 * @returns Icon
	 */
	public Icon getOpenIcon()
	{
		return openIcon;
	}

	/**
	 * setClosedIcon
	 * 
	 * @param value0 TODO
	 */
	public void setClosedIcon(Icon i)
	{
		closedIcon = i;
	}

	/**
	 * getClosedIcon
	 * 
	 * @returns Icon
	 */
	public Icon getClosedIcon()
	{
		return closedIcon;
	}

	/**
	 * setLeafIcon
	 * 
	 * @param value0 TODO
	 */
	public void setLeafIcon(Icon i)
	{
		leafIcon = i;
	}

	/**
	 * getLeafIcon
	 * 
	 * @returns Icon
	 */
	public Icon getLeafIcon()
	{
		return leafIcon;
	}

	/**
	 * setTextSelectionColor
	 * 
	 * @param value0 TODO
	 */
	public void setTextSelectionColor(Color c)
	{
		textSelectionColor = c;
	}

	/**
	 * getTextSelectionColor
	 * 
	 * @returns Color
	 */
	public Color getTextSelectionColor()
	{
		return textSelectionColor;
	}

	/**
	 * setTextNonSelectionColor
	 * 
	 * @param value0 TODO
	 */
	public void setTextNonSelectionColor(Color c)
	{
		textNonSelectionColor = c;
	}

	/**
	 * getTextNonSelectionColor
	 * 
	 * @returns Color
	 */
	public Color getTextNonSelectionColor()
	{
		return textNonSelectionColor;
	}

	/**
	 * setBackgroundSelectionColor
	 * 
	 * @param value0 TODO
	 */
	public void setBackgroundSelectionColor(Color c)
	{
		backgroundSelectionColor = c;
	}

	/**
	 * getBackgroundSelectionColor
	 * 
	 * @returns Color
	 */
	public Color getBackgroundSelectionColor()
	{
		return backgroundSelectionColor;
	}

	/**
	 * setBackgroundNonSelectionColor
	 * 
	 * @param value0 TODO
	 */
	public void setBackgroundNonSelectionColor(Color c)
	{
		backgroundNonSelectionColor = c;
	}

	/**
	 * getBackgroundNonSelectionColor
	 * 
	 * @returns Color
	 */
	public Color getBackgroundNonSelectionColor()
	{
		return backgroundNonSelectionColor;
	}

	/**
	 * setBorderSelectionColor
	 * 
	 * @param value0 TODO
	 */
	public void setBorderSelectionColor(Color c)
	{
		borderSelectionColor = c;
	}

	/**
	 * getBorderSelectionColor
	 * 
	 * @returns Color
	 */
	public Color getBorderSelectionColor()
	{
		return borderSelectionColor;
	}

	/**
	 * setFont
	 * 
	 * @param value0 TODO
	 */
	public void setFont(Font f)
	{
		if (f != null && f instanceof UIResource)
			f = null;
		super.setFont(f);
	}

	/**
	 * setBackground
	 * 
	 * @param value0 TODO
	 */
	public void setBackground(Color c)
	{
		if (c != null && c instanceof UIResource)
			c = null;
		super.setBackground(c);
	}

	/**
	 * getTreeCellRendererComponent
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 * @param value3 TODO
	 * @param value4 TODO
	 * @param value5 TODO
	 * @param value6 TODO
	 * @returns Component
	 */
	public Component getTreeCellRendererComponent(JTree tree, Object val,
			boolean selected, boolean expanded, boolean leaf, int row,
			boolean hasFocus)
	{
		this.selected = selected;
		this.hasFocus = hasFocus;

		if (leaf)
			setIcon(getLeafIcon());
		else if (expanded)
			setIcon(getOpenIcon());
		else
			setIcon(getClosedIcon());

		setText(val.toString());
		setHorizontalAlignment(LEFT);
		setVerticalAlignment(TOP);

		return this;
	}

	/**
	 * paint
	 * 
	 * @param value0 TODO
	 */
	public void paint(Graphics g)
	{
		super.paint(g);
	}

	/**
	 * getPreferredSize
	 * 
	 * @returns Dimension
	 */
	public Dimension getPreferredSize()
	{
		return null; // TODO
	} // getPreferredSize()

	/**
	 * validate
	 */
	public void validate()
	{
		// Overridden for performance reasons.
	} // validate()

	/**
	 * revalidate
	 */
	public void revalidate()
	{
		// Overridden for performance reasons.
	} // revalidate()

	/**
	 * repaint
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 * @param value3 TODO
	 * @param value4 TODO
	 */
	public void repaint(long value0, int value1, int value2, int value3,
			int value4)
	{
		// Overridden for performance reasons.
	} // repaint()

	/**
	 * repaint
	 * 
	 * @param value0 TODO
	 */
	public void repaint(Rectangle value0)
	{
		//  Overridden for performance reasons.
	} // repaint()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	protected void firePropertyChange(String value0, Object value1,
			Object value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, byte value1, byte value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, char value1, char value2)
	{
		// Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, short value1, short value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, int value1, int value2)
	{
		// Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, long value1, long value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, float value1, float value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, double value1, double value2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

	/**
	 * firePropertyChange
	 * 
	 * @param value0 TODO
	 * @param value1 TODO
	 * @param value2 TODO
	 */
	public void firePropertyChange(String value0, boolean v1, boolean v2)
	{
		//  Overridden for performance reasons.
	} // firePropertyChange()

} // DefaultTreeCellRenderer