1 /*
2 * Copyright (c) 2011, 2015, 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 com.apple.laf;
27
28 import java.awt.*;
29
30 import javax.swing.*;
31 import javax.swing.border.Border;
32 import javax.swing.plaf.UIResource;
33 import javax.swing.text.JTextComponent;
34
35 import apple.laf.*;
36 import apple.laf.JRSUIConstants.*;
37
38 import com.apple.laf.AquaUtilControlSize.*;
39
40 public abstract class AquaBorder implements Border, UIResource {
41 protected final AquaPainter<? extends JRSUIState> painter;
42 protected final SizeDescriptor sizeDescriptor;
43 protected SizeVariant sizeVariant;
44
45 protected AquaBorder(final SizeDescriptor sizeDescriptor) {
46 this.sizeDescriptor = sizeDescriptor;
47 this.sizeVariant = sizeDescriptor.get(Size.REGULAR);
48 this.painter = createPainter();
49 }
50
51 protected AquaPainter<? extends JRSUIState> createPainter() {
52 final AquaPainter<JRSUIState> painter = AquaPainter.create(JRSUIState.getInstance());
53 painter.state.set(AlignmentVertical.CENTER);
54 painter.state.set(AlignmentHorizontal.CENTER);
55 return painter;
56 }
57
58 protected AquaBorder(final AquaBorder other) {
59 this.sizeDescriptor = other.sizeDescriptor;
60 this.sizeVariant = other.sizeVariant;
61 this.painter = AquaPainter.create(other.painter.state.derive());
62 painter.state.set(AlignmentVertical.CENTER);
63 painter.state.set(AlignmentHorizontal.CENTER);
64 }
65
66 protected void setSize(final Size size) {
67 sizeVariant = sizeDescriptor.get(size);
68 painter.state.set(size);
69 }
70
71 @Override
72 public Insets getBorderInsets(final Component c) {
73 return (Insets) sizeVariant.margins.clone();
74 }
75
76 protected AquaBorder deriveBorderForSize(final Size size) {
77 try {
78 final Class<? extends AquaBorder> clazz = getClass();
79 final AquaBorder border = clazz.getConstructor(new Class<?>[] { clazz }).newInstance(new Object[] { this });
80 border.setSize(size);
81 return border;
82 } catch (final Throwable e) {
83 return null;
84 }
85 }
86
87 public static void repaintBorder(final JComponent c) {
88 JComponent borderedComponent = c;
89 Border border = c.getBorder();
90 if (border == null) {
91 // See if it's inside a JScrollpane or something
92 final Container p = c.getParent();
93 if (p instanceof JViewport) {
94 borderedComponent = (JComponent)p.getParent();
95 if (borderedComponent != null) border = borderedComponent.getBorder();
96 }
97 }
98
99 // If we really don't have a border, then bail
100 // It might be a compound border with a ThemeBorder inside
101 // The check for that case is tricky, so we just go ahead and repaint any border
102 if (border == null || borderedComponent == null) return;
103
104 final int width = borderedComponent.getWidth();
105 final int height = borderedComponent.getHeight();
106 final Insets i = borderedComponent.getInsets();
107
108 borderedComponent.repaint(0, 0, width, i.top); // Top edge
109 borderedComponent.repaint(0, 0, i.left, height); // Left edge
110 borderedComponent.repaint(0, height - i.bottom, width, i.bottom); // Bottom edge
111 borderedComponent.repaint(width - i.right, 0, i.right, height); // Right edge
112 }
113
114 // The JScrollPane doesn't let us know if its viewport view has focus
115 protected boolean isFocused(final Component c) {
116 // Being really paranoid in case this Component isn't a Swing component
117 Component focusable = c;
118
119 if (c instanceof JScrollPane) {
120 final JViewport vp = ((JScrollPane)c).getViewport();
121 if (vp != null) {
122 focusable = vp.getView();
123 // Lists, Tables & Trees get focus rings, TextAreas don't (JBuilder puts TextField border on TextAreas)
124 if (focusable instanceof JTextComponent) return false;
125 }
126 } else if (focusable instanceof JTextComponent) {
127 // non-editable text areas don't draw the focus ring
128 if (!((javax.swing.text.JTextComponent)focusable).isEditable()) return false;
129 }
130
131 return (focusable != null && focusable instanceof JComponent && ((JComponent)focusable).hasFocus());
132 }
133
134 @Override
135 public boolean isBorderOpaque() { return false; }
136
137 @Override
138 public void paintBorder(final Component c, final Graphics g, final int x, final int y, final int w, final int h) {
139 painter.paint(g, c, x, y, w, h);
140 }
141
142 static class Default extends AquaBorder {
143 Default() { super(new SizeDescriptor(new SizeVariant())); }
144 }
145 }