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1
7
8 package org.gjt.jclasslib.browser.detail.attributes.code;
9
10 import org.gjt.jclasslib.browser.*;
11 import org.gjt.jclasslib.structures.attributes.CodeAttribute;
12
13 import javax.swing.*;
14 import javax.swing.tree.TreePath  ;
15 import java.awt.*;
16 import java.awt.event.*;
17
18
24 public class ByteCodeDetailPane extends AbstractDetailPane {
25
26 private static final Rectangle RECT_ORIGIN = new Rectangle(0, 0, 0, 0);
27
28
30 private ByteCodeDisplay byteCodeDisplay;
31 private CounterDisplay counterDisplay;
32 private JScrollPane scrollPane;
33 private JButton btnCopy;
34
35
39 public ByteCodeDetailPane(BrowserServices services) {
40 super(services);
41 }
42
43 protected void setupComponent() {
44
45 setLayout(new BorderLayout());
46 btnCopy = new JButton("Copy to clipboard");
47 btnCopy.addActionListener(new ActionListener() {
48 public void actionPerformed(ActionEvent event) {
49 byteCodeDisplay.copyToClipboard();
50 }
51 });
52 Box box = Box.createHorizontalBox();
53 box.add(Box.createHorizontalGlue());
54 box.add(btnCopy);
55
56 add(box, BorderLayout.SOUTH);
57 add(buildByteCodeScrollPane(), BorderLayout.CENTER);
58
59 DocumentLinkListener listener = new DocumentLinkListener(byteCodeDisplay);
60 byteCodeDisplay.addMouseListener(listener);
61 byteCodeDisplay.addMouseMotionListener(listener);
62 }
63
64 public void show(TreePath treePath) {
65
66 CodeAttribute attribute = (CodeAttribute)findAttribute(treePath);
67 if (byteCodeDisplay.getCodeAttribute() != attribute) {
68
69 BrowserComponent browserComponent = services.getBrowserComponent();
70 browserComponent.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
71 byteCodeDisplay.setCodeAttribute(attribute, services.getClassFile());
72 counterDisplay.init(byteCodeDisplay);
73
74 byteCodeDisplay.scrollRectToVisible(RECT_ORIGIN);
75
76 scrollPane.validate();
77 scrollPane.repaint();
78 browserComponent.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
79 }
80 }
81
82
86 public void scrollToOffset(int offset) {
87
88 byteCodeDisplay.scrollToOffset(offset);
89 }
90
91 private JScrollPane buildByteCodeScrollPane() {
92
93 byteCodeDisplay = new ByteCodeDisplay(this);
94 scrollPane = new JScrollPane(byteCodeDisplay);
95 scrollPane.getViewport().setBackground(Color.WHITE);
96 counterDisplay = new CounterDisplay();
97 scrollPane.setRowHeaderView(counterDisplay);
98
99 MouseAdapter mouseListener = new MouseAdapter() {
100 public void mousePressed(MouseEvent event) {
101 scrollPane.requestFocus();
102 }
103 };
104 byteCodeDisplay.addMouseListener(mouseListener);
105 scrollPane.getHorizontalScrollBar().addMouseListener(mouseListener);
106 scrollPane.getVerticalScrollBar().addMouseListener(mouseListener);
107 scrollPane.addMouseWheelListener(new MouseWheelListener() {
108 public void mouseWheelMoved(MouseWheelEvent event) {
109 scrollPane.requestFocus();
110 }
111 });
112
113 return scrollPane;
114 }
115
116 private class DocumentLinkListener extends MouseAdapter
117 implements MouseMotionListener
118 {
119
120 private ByteCodeDisplay byteCodeDisplay;
121
122 private Cursor defaultCursor;
123 private int defaultCursorType;
124 private Cursor handCursor;
125
126 private DocumentLinkListener(ByteCodeDisplay byteCodeDisplay) {
127 this.byteCodeDisplay = byteCodeDisplay;
128
129 defaultCursor = Cursor.getDefaultCursor();
130 defaultCursorType = defaultCursor.getType();
131 handCursor = Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
132 }
133
134 public void mouseClicked(MouseEvent event) {
135
136 byteCodeDisplay.link(event.getPoint());
137 }
138
139 public void mouseDragged(MouseEvent event) {
140 }
141
142 public void mouseMoved(MouseEvent event) {
143
144 boolean link = byteCodeDisplay.isLink(event.getPoint());
145 if (byteCodeDisplay.getCursor().getType() == defaultCursorType && link) {
146 byteCodeDisplay.setCursor(handCursor);
147 } else if (!link) {
148 byteCodeDisplay.setCursor(defaultCursor);
149 }
150 }
151
152 }
153
154
155 }
156
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