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
26package com.apple.laf;
27
28import java.awt.*;
29
30import javax.swing.*;
31import javax.swing.border.Border;
32import javax.swing.plaf.UIResource;
33import javax.swing.text.JTextComponent;
34
35import apple.laf.*;
36import apple.laf.JRSUIConstants.*;
37
38import com.apple.laf.AquaUtilControlSize.*;
39
40public 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}
146