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MotifTreeUI.java
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1998-06-30
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/*
* @(#)MotifTreeUI.java 1.11 98/02/02
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.motif;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
import com.sun.java.swing.*;
import com.sun.java.swing.plaf.*;
import com.sun.java.swing.tree.*;
import com.sun.java.swing.plaf.basic.*;
/**
* Motif rendition of the tree component.
* <p>
* Warning: 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 Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.11 02/02/98
* @author Jeff Dinkins
*/
public class MotifTreeUI extends BasicTreeUI
{
static final int HALF_SIZE = 7;
static final int SIZE = 14;
static final int ROW_HEIGHT = 18;
/**
* creates a UI object to represent a Motif Tree widget
*/
public MotifTreeUI() {
super();
}
public void installUI(JComponent c) {
super.installUI(c);
setRowHeight(ROW_HEIGHT);
}
// BasicTreeUI overrides
protected void drawVerticalLine( Graphics g, JComponent c, int x, int top, int bottom )
{
g.fillRect( x - 1, top, 2, bottom - top );
}
protected void drawHorizontalLine( Graphics g, JComponent c, int y, int left, int right )
{
g.fillRect( left - 1, y, right - left, 2 );
}
/**
* The minus sign button icon.
* <p>
* Warning: 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 Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*/
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>
* Warning: 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 Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*/
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 getDefaultCellRenderer() {
return new MotifTreeCellRenderer();
}
}