1 /*
   2  * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  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).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  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     public static ComponentUI createUI( JComponent c )
  57     {
  58         return new MetalSeparatorUI();
  59     }
  60 
  61     protected void installDefaults( JSeparator s )
  62     {
  63         LookAndFeel.installColors( s, "Separator.background", "Separator.foreground" );
  64     }
  65 
  66     public void paint( Graphics g, JComponent c )
  67     {
  68         Dimension s = c.getSize();
  69 
  70         if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )
  71         {
  72           g.setColor( c.getForeground() );
  73           g.drawLine( 0, 0, 0, s.height );
  74 
  75           g.setColor( c.getBackground() );
  76           g.drawLine( 1, 0, 1, s.height );
  77         }
  78         else  // HORIZONTAL
  79         {
  80           g.setColor( c.getForeground() );
  81           g.drawLine( 0, 0, s.width, 0 );
  82 
  83           g.setColor( c.getBackground() );
  84           g.drawLine( 0, 1, s.width, 1 );
  85         }
  86     }
  87 
  88     public Dimension getPreferredSize( JComponent c )
  89     {
  90         if ( ((JSeparator)c).getOrientation() == JSeparator.VERTICAL )
  91             return new Dimension( 2, 0 );
  92         else
  93             return new Dimension( 0, 2 );
  94     }
  95 }