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8  * particular file as subject to the "Classpath" exception as provided
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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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25 
26 package javax.swing.plaf.metal;
27 
28 import javax.swing.*;
29 import java.awt.Color;
30 import java.awt.Dimension;
31 import java.awt.Graphics;
32 import java.awt.Insets;
33 import java.awt.Rectangle;
34 import javax.swing.plaf.*;
35 import javax.swing.plaf.basic.BasicSeparatorUI;
36 
37 
38 /**
39  * A Metal L&F implementation of SeparatorUI.  This implementation
40  * is a "combined" view/controller.
41  * <p>
42  * <strong>Warning:</strong>
43  * Serialized objects of this class will not be compatible with
44  * future Swing releases. The current serialization support is
45  * appropriate for short term storage or RMI between applications running
46  * the same version of Swing.  As of 1.4, support for long term storage
47  * of all JavaBeans&trade;
48  * has been added to the <code>java.beans</code> package.
49  * Please see {@link java.beans.XMLEncoder}.
50  *
51  * @author Jeff Shapiro
52  */
53 @SuppressWarnings("serial") // Same-version serialization only
54 public class MetalSeparatorUI extends BasicSeparatorUI
55 {
56     /**
57      * Constructs a new {@code MetalSeparatorUI} instance.
58      *
59      * @param c a component
60      * @return a new {@code MetalSeparatorUI} instance.
61      */
createUI( JComponent c )62     public static ComponentUI createUI( JComponent c )
63     {
64         return new MetalSeparatorUI();
65     }
66 
installDefaults( JSeparator s )67     protected void installDefaults( JSeparator s )
68     {
69         LookAndFeel.installColors( s, "Separator.background", "Separator.foreground" );
70     }
71 
paint( Graphics g, JComponent c )72     public void paint( Graphics g, JComponent c )
73     {
74         Dimension s = c.getSize();
75 
76         if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )
77         {
78           g.setColor( c.getForeground() );
79           g.drawLine( 0, 0, 0, s.height );
80 
81           g.setColor( c.getBackground() );
82           g.drawLine( 1, 0, 1, s.height );
83         }
84         else  // HORIZONTAL
85         {
86           g.setColor( c.getForeground() );
87           g.drawLine( 0, 0, s.width, 0 );
88 
89           g.setColor( c.getBackground() );
90           g.drawLine( 0, 1, s.width, 1 );
91         }
92     }
93 
getPreferredSize( JComponent c )94     public Dimension getPreferredSize( JComponent c )
95     {
96         if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )
97             return new Dimension( 2, 0 );
98         else
99             return new Dimension( 0, 2 );
100     }
101 }
102