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
26package javax.swing.plaf.metal;
27
28import javax.swing.*;
29import javax.swing.border.*;
30import java.io.Serializable;
31import java.awt.*;
32import java.awt.event.*;
33
34import javax.swing.plaf.basic.BasicComboBoxEditor;
35
36/**
37 * The default editor for Metal editable combo boxes
38 * <p>
39 * <strong>Warning:</strong>
40 * Serialized objects of this class will not be compatible with
41 * future Swing releases. The current serialization support is
42 * appropriate for short term storage or RMI between applications running
43 * the same version of Swing.  As of 1.4, support for long term storage
44 * of all JavaBeans&trade;
45 * has been added to the <code>java.beans</code> package.
46 * Please see {@link java.beans.XMLEncoder}.
47 *
48 * @author Steve Wilson
49 */
50@SuppressWarnings("serial") // Same-version serialization only
51public class MetalComboBoxEditor extends BasicComboBoxEditor {
52
53    /**
54     * Constructs a new instance of {@code MetalComboBoxEditor}.
55     */
56    public MetalComboBoxEditor() {
57        super();
58        //editor.removeFocusListener(this);
59        editor = new JTextField("",9) {
60                // workaround for 4530952
61                public void setText(String s) {
62                    if (getText().equals(s)) {
63                        return;
64                    }
65                    super.setText(s);
66                }
67            // The preferred and minimum sizes are overriden and padded by
68            // 4 to keep the size as it previously was.  Refer to bugs
69            // 4775789 and 4517214 for details.
70            public Dimension getPreferredSize() {
71                Dimension pref = super.getPreferredSize();
72                pref.height += 4;
73                return pref;
74            }
75            public Dimension getMinimumSize() {
76                Dimension min = super.getMinimumSize();
77                min.height += 4;
78                return min;
79            }
80            };
81
82        editor.setBorder( new EditorBorder() );
83        //editor.addFocusListener(this);
84    }
85
86   /**
87    * The default editor border <code>Insets</code>. This field
88    * might not be used.
89    */
90    protected static Insets editorBorderInsets = new Insets( 2, 2, 2, 0 );
91
92    class EditorBorder extends AbstractBorder {
93        public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
94            g.translate( x, y );
95
96            if (MetalLookAndFeel.usingOcean()) {
97                g.setColor(MetalLookAndFeel.getControlDarkShadow());
98                g.drawRect(0, 0, w, h - 1);
99                g.setColor(MetalLookAndFeel.getControlShadow());
100                g.drawRect(1, 1, w - 2, h - 3);
101            }
102            else {
103                g.setColor( MetalLookAndFeel.getControlDarkShadow() );
104                g.drawLine( 0, 0, w-1, 0 );
105                g.drawLine( 0, 0, 0, h-2 );
106                g.drawLine( 0, h-2, w-1, h-2 );
107                g.setColor( MetalLookAndFeel.getControlHighlight() );
108                g.drawLine( 1, 1, w-1, 1 );
109                g.drawLine( 1, 1, 1, h-1 );
110                g.drawLine( 1, h-1, w-1, h-1 );
111                g.setColor( MetalLookAndFeel.getControl() );
112                g.drawLine( 1, h-2, 1, h-2 );
113            }
114
115            g.translate( -x, -y );
116        }
117
118        public Insets getBorderInsets(Component c, Insets insets) {
119            insets.set(2, 2, 2, 0);
120            return insets;
121        }
122    }
123
124
125    /**
126     * A subclass of BasicComboBoxEditor that implements UIResource.
127     * BasicComboBoxEditor doesn't implement UIResource
128     * directly so that applications can safely override the
129     * cellRenderer property with BasicListCellRenderer subclasses.
130     * <p>
131     * <strong>Warning:</strong>
132     * Serialized objects of this class will not be compatible with
133     * future Swing releases. The current serialization support is
134     * appropriate for short term storage or RMI between applications running
135     * the same version of Swing.  As of 1.4, support for long term storage
136     * of all JavaBeans&trade;
137     * has been added to the <code>java.beans</code> package.
138     * Please see {@link java.beans.XMLEncoder}.
139     */
140    @SuppressWarnings("serial") // Same-version serialization only
141    public static class UIResource extends MetalComboBoxEditor
142    implements javax.swing.plaf.UIResource {
143    }
144}
145