/*
* Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.java.swing.plaf.motif;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import javax.swing.*;
import javax.swing.plaf.*;
import javax.swing.tree.*;
import javax.swing.plaf.basic.*;
/**
* Motif rendition of the tree component.
* <p>
* <strong>Warning:</strong>
* Serialized objects of this class will not be compatible with
* future Swing releases. The current serialization support is appropriate
* for short term storage or RMI between applications running the same
* version of Swing. A future release of Swing will provide support for
* long term persistence.
*
* @author Jeff Dinkins
*/
public class MotifTreeUI extends BasicTreeUI
{
static final int HALF_SIZE = 7;
static final int SIZE = 14;
/**
* creates a UI object to represent a Motif Tree widget
*/
public MotifTreeUI() {
super();
}
public void installUI(JComponent c) {
super.installUI(c);
}
// BasicTreeUI overrides
protected void paintVerticalLine( Graphics g, JComponent c, int x, int top, int bottom )
{
if (tree.getComponentOrientation().isLeftToRight()) {
g.fillRect( x, top, 2, bottom - top + 2 );
} else {
g.fillRect( x - 1, top, 2, bottom - top + 2 );
}
}
protected void paintHorizontalLine( Graphics g, JComponent c, int y, int left, int right )
{
g.fillRect( left, y, right - left + 1, 2 );
}
/**
* The minus sign button icon.
* <p>
* <strong>Warning:</strong>
* Serialized objects of this class will not be compatible with
* future Swing releases. The current serialization support is appropriate
* for short term storage or RMI between applications running the same
* version of Swing. A future release of Swing will provide support for
* long term persistence.
*/
public static class MotifExpandedIcon implements Icon, Serializable {
static Color bg;
static Color fg;
static Color highlight;
static Color shadow;
public MotifExpandedIcon() {
bg = UIManager.getColor("Tree.iconBackground");
fg = UIManager.getColor("Tree.iconForeground");
highlight = UIManager.getColor("Tree.iconHighlight");
shadow = UIManager.getColor("Tree.iconShadow");
}
public static Icon createExpandedIcon() {
return new MotifExpandedIcon();
}
public void paintIcon(Component c, Graphics g, int x, int y) {
g.setColor(highlight);
g.drawLine(x, y, x+SIZE-1, y);
g.drawLine(x, y+1, x, y+SIZE-1);
g.setColor(shadow);
g.drawLine(x+SIZE-1, y+1, x+SIZE-1, y+SIZE-1);
g.drawLine(x+1, y+SIZE-1, x+SIZE-1, y+SIZE-1);
g.setColor(bg);
g.fillRect(x+1, y+1, SIZE-2, SIZE-2);
g.setColor(fg);
g.drawLine(x+3, y+HALF_SIZE-1, x+SIZE-4, y+HALF_SIZE-1);
g.drawLine(x+3, y+HALF_SIZE, x+SIZE-4, y+HALF_SIZE);
}
public int getIconWidth() { return SIZE; }
public int getIconHeight() { return SIZE; }
}
/**
* The plus sign button icon.
* <p>
* <strong>Warning:</strong>
* Serialized objects of this class will not be compatible with
* future Swing releases. The current serialization support is appropriate
* for short term storage or RMI between applications running the same
* version of Swing. A future release of Swing will provide support for
* long term persistence.
*/
public static class MotifCollapsedIcon extends MotifExpandedIcon {
public static Icon createCollapsedIcon() {
return new MotifCollapsedIcon();
}
public void paintIcon(Component c, Graphics g, int x, int y) {
super.paintIcon(c, g, x, y);
g.drawLine(x + HALF_SIZE-1, y + 3, x + HALF_SIZE-1, y + (SIZE - 4));
g.drawLine(x + HALF_SIZE, y + 3, x + HALF_SIZE, y + (SIZE - 4));
}
}
public static ComponentUI createUI(JComponent x) {
return new MotifTreeUI();
}
/**
* Returns the default cell renderer that is used to do the
* stamping of each node.
*/
public TreeCellRenderer createDefaultCellRenderer() {
return new MotifTreeCellRenderer();
}
}