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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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8  * particular file as subject to the "Classpath" exception as provided
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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).
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17  * You should have received a copy of the GNU General Public License version
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24  */
25 package javax.swing.plaf.synth;
26 
27 import java.awt.*;
28 import javax.swing.*;
29 import javax.swing.text.JTextComponent;
30 import javax.swing.border.*;
31 import javax.swing.plaf.UIResource;
32 
33 /**
34  * SynthBorder is a border that delegates to a Painter. The Insets
35  * are determined at construction time.
36  *
37  * @author Scott Violet
38  */
39 @SuppressWarnings("serial") // Superclass is not serializable across versions
40 class SynthBorder extends AbstractBorder implements UIResource {
41     private SynthUI ui;
42     private Insets insets;
43 
SynthBorder(SynthUI ui, Insets insets)44     SynthBorder(SynthUI ui, Insets insets) {
45         this.ui = ui;
46         this.insets = insets;
47     }
48 
SynthBorder(SynthUI ui)49     SynthBorder(SynthUI ui) {
50         this(ui, null);
51     }
52 
paintBorder(Component c, Graphics g, int x, int y, int width, int height)53     public void paintBorder(Component c, Graphics g, int x, int y,
54                             int width, int height) {
55         JComponent jc = (JComponent)c;
56         SynthContext context = ui.getContext(jc);
57         SynthStyle style = context.getStyle();
58         if (style == null) {
59             assert false: "SynthBorder is being used outside after the UI " +
60                           "has been uninstalled";
61             return;
62         }
63         ui.paintBorder(context, g, x, y, width, height);
64     }
65 
66     /**
67      * Reinitializes the insets parameter with this Border's current Insets.
68      * @param c the component for which this border insets value applies
69      * @param insets the object to be reinitialized
70      * @return the <code>insets</code> object
71      */
getBorderInsets(Component c, Insets insets)72     public Insets getBorderInsets(Component c, Insets insets) {
73         if (this.insets != null) {
74             if (insets == null) {
75                 insets = new Insets(this.insets.top, this.insets.left,
76                                   this.insets.bottom, this.insets.right);
77             }
78             else {
79                 insets.top    = this.insets.top;
80                 insets.bottom = this.insets.bottom;
81                 insets.left   = this.insets.left;
82                 insets.right  = this.insets.right;
83             }
84         }
85         else if (insets == null) {
86             insets = new Insets(0, 0, 0, 0);
87         }
88         else {
89             insets.top = insets.bottom = insets.left = insets.right = 0;
90         }
91         if (c instanceof JComponent) {
92             Region region = Region.getRegion((JComponent)c);
93             Insets margin = null;
94             if ((region == Region.ARROW_BUTTON || region == Region.BUTTON ||
95                  region == Region.CHECK_BOX ||
96                  region == Region.CHECK_BOX_MENU_ITEM ||
97                  region == Region.MENU || region == Region.MENU_ITEM ||
98                  region == Region.RADIO_BUTTON ||
99                  region == Region.RADIO_BUTTON_MENU_ITEM ||
100                  region == Region.TOGGLE_BUTTON) &&
101                        (c instanceof AbstractButton)) {
102                 margin = ((AbstractButton)c).getMargin();
103             }
104             else if ((region == Region.EDITOR_PANE ||
105                       region == Region.FORMATTED_TEXT_FIELD ||
106                       region == Region.PASSWORD_FIELD ||
107                       region == Region.TEXT_AREA ||
108                       region == Region.TEXT_FIELD ||
109                       region == Region.TEXT_PANE) &&
110                         (c instanceof JTextComponent)) {
111                 margin = ((JTextComponent)c).getMargin();
112             }
113             else if (region == Region.TOOL_BAR && (c instanceof JToolBar)) {
114                 margin = ((JToolBar)c).getMargin();
115             }
116             else if (region == Region.MENU_BAR && (c instanceof JMenuBar)) {
117                 margin = ((JMenuBar)c).getMargin();
118             }
119             if (margin != null) {
120                 insets.top += margin.top;
121                 insets.bottom += margin.bottom;
122                 insets.left += margin.left;
123                 insets.right += margin.right;
124             }
125         }
126         return insets;
127     }
128 
129     /**
130      * This default implementation returns false.
131      * @return false
132      */
isBorderOpaque()133     public boolean isBorderOpaque() {
134         return false;
135     }
136 }
137