/*
 * Copyright 2012 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat 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.
 *
 * Thermostat 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 Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code 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 code.  If you modify
 * this code, 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 com.redhat.swing.laf.dolphin.tree;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Rectangle;

import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicTreeUI;
import javax.swing.tree.TreePath;

import com.redhat.swing.laf.dolphin.DolphinLookAndFeel;

public class DolphinTreeUI extends BasicTreeUI {
    
    private static final boolean paintWholeRow;
    static {
        paintWholeRow = DolphinLookAndFeel.getTheme().treePaintWholeRow();
    }
    
    public DolphinTreeUI() {
    }
    
    public static ComponentUI createUI(JComponent component) {
        return new DolphinTreeUI();
    }
    
    @Override
    protected void paintRow(Graphics g, Rectangle clipBounds, Insets insets,
                            Rectangle bounds, TreePath path, int row, boolean isExpanded,
                            boolean hasBeenExpanded, boolean isLeaf)
    {
        if (paintWholeRow && tree.isRowSelected(row)) {
            Graphics g1 = g.create();
            Color alpha = DolphinLookAndFeel.getTheme().getSelectionColor();
            g1.setColor(alpha);
            g1.fillRect(0, row * tree.getRowHeight(), tree.getWidth(), tree.getRowHeight());
            g1.dispose();
        }
        super.paintRow(g, clipBounds, insets, bounds, path, row, isExpanded, hasBeenExpanded, isLeaf);
    }
}