319 lines
13 KiB
Java
319 lines
13 KiB
Java
package the.bytecode.club.bytecodeviewer.gui.hexviewer;
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import org.exbin.auxiliary.paged_data.ByteArrayData;
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import org.exbin.bined.CodeAreaCaretPosition;
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import org.exbin.bined.CodeType;
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import org.exbin.bined.EditMode;
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import org.exbin.bined.RowWrappingMode;
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import org.exbin.bined.highlight.swing.HighlightNonAsciiCodeAreaPainter;
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import org.exbin.bined.swing.basic.CodeArea;
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import javax.annotation.Nonnull;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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/**
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* Binary/hexadecimal viewer based on BinEd library.
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*
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* @author hajdam
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*/
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public class HexViewer extends JPanel {
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private final CodeArea codeArea;
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private final JToolBar toolBar;
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private final BinaryStatusPanel statusPanel;
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private final ValuesPanel valuesPanel;
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private JPanel codeAreaPanel;
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private JScrollPane valuesPanelScrollBar;
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private boolean valuesPanelVisible = false;
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private final AbstractAction cycleCodeTypesAction;
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private JButton cycleCodeTypeButton;
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private BinaryStatusApi binaryStatus;
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private final AbstractAction goToAction;
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public HexViewer(byte[] contentData) {
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super(new BorderLayout());
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codeArea = new CodeArea();
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codeArea.setPainter(new HighlightNonAsciiCodeAreaPainter(codeArea));
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toolBar = new JToolBar();
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statusPanel = new BinaryStatusPanel() {
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@Override
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public Dimension getMinimumSize() {
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return new Dimension(0, super.getMinimumSize().height);
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}
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};
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valuesPanel = new ValuesPanel();
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codeArea.setContentData(new ByteArrayData(contentData));
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codeArea.setEditMode(EditMode.READ_ONLY);
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cycleCodeTypesAction = new AbstractAction() {
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@Override
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public void actionPerformed(ActionEvent e) {
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int codeTypePos = codeArea.getCodeType().ordinal();
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CodeType[] values = CodeType.values();
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CodeType next = codeTypePos + 1 >= values.length ? values[0] : values[codeTypePos + 1];
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codeArea.setCodeType(next);
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updateCycleButtonState();
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}
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};
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goToAction = new AbstractAction() {
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@Override
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public void actionPerformed(ActionEvent e) {
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final GoToBinaryPanel goToPanel = new GoToBinaryPanel();
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goToPanel.setCursorPosition(codeArea.getCaret().getCaretPosition().getDataPosition());
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goToPanel.setMaxPosition(codeArea.getDataSize());
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final JDialog dialog = new JDialog((JFrame) SwingUtilities.getRoot(HexViewer.this), Dialog.ModalityType.APPLICATION_MODAL);
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OkCancelPanel okCancelPanel = new OkCancelPanel() {
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@Override
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protected void okAction() {
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goToPanel.acceptInput();
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codeArea.setCaretPosition(goToPanel.getTargetPosition());
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codeArea.revealCursor();
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dialog.setVisible(false);
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dialog.dispose();
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codeArea.requestFocus();
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}
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@Override
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protected void cancelAction() {
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dialog.setVisible(false);
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dialog.dispose();
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}
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};
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final String ESC_CANCEL = "esc-cancel";
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dialog.getRootPane().getActionMap().put(ESC_CANCEL, new AbstractAction() {
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@Override
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public void actionPerformed(ActionEvent e) {
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okCancelPanel.cancelAction();
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}
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});
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dialog.getRootPane().getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), ESC_CANCEL);
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okCancelPanel.setOkButtonText("Go To");
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dialog.setTitle("Go To Position");
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dialog.add(goToPanel, BorderLayout.CENTER);
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dialog.add(okCancelPanel, BorderLayout.SOUTH);
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dialog.pack();
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dialog.setLocationByPlatform(true);
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dialog.setVisible(true);
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}
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};
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init();
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}
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private void init() {
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cycleCodeTypesAction.putValue(Action.SHORT_DESCRIPTION, "Cycle through code types");
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cycleCodeTypeButton = new JButton();
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cycleCodeTypeButton.setAction(cycleCodeTypesAction);
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updateCycleButtonState();
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toolBar.add(cycleCodeTypeButton);
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JToggleButton lineWrappingToggleButton = new JToggleButton();
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lineWrappingToggleButton.setIcon(new javax.swing.ImageIcon(getClass().getResource("/the/bytecode/club/bytecodeviewer/gui/hexviewer/resources/bined-linewrap.png")));
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lineWrappingToggleButton.setToolTipText("Toggle line wrapping");
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lineWrappingToggleButton.addActionListener(evt -> {
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if (codeArea.getRowWrapping() == RowWrappingMode.WRAPPING) {
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codeArea.setMaxBytesPerRow(16);
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codeArea.setRowWrapping(RowWrappingMode.NO_WRAPPING);
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} else {
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codeArea.setMaxBytesPerRow(0);
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codeArea.setRowWrapping(RowWrappingMode.WRAPPING);
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}
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});
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toolBar.add(lineWrappingToggleButton);
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add(toolBar, BorderLayout.NORTH);
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codeAreaPanel = new JPanel(new BorderLayout());
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codeAreaPanel.add(codeArea, BorderLayout.CENTER);
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codeArea.setComponentPopupMenu(new JPopupMenu() {
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@Override
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public void show(Component invoker, int x, int y) {
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removeAll();
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final JPopupMenu menu = createPopupMenu();
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menu.show(invoker, x, y);
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}
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});
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valuesPanelScrollBar = new JScrollPane();
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valuesPanel.setCodeArea(codeArea);
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valuesPanel.updateValues();
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valuesPanelScrollBar.setViewportView(valuesPanel);
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valuesPanelScrollBar.setMinimumSize(new Dimension(10, valuesPanel.getMinimumSize().height));
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setShowValuesPanel(true);
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add(codeAreaPanel, BorderLayout.CENTER);
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registerBinaryStatus(statusPanel);
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add(statusPanel, BorderLayout.SOUTH);
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final String GO_TO_ACTION = "goToAction";
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codeArea.getActionMap().put(GO_TO_ACTION, goToAction);
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codeArea.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(KeyEvent.VK_G, HexViewer.getMetaMask()), GO_TO_ACTION);
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invalidate();
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}
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private void setShowValuesPanel(boolean show) {
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if (valuesPanelVisible != show) {
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if (show) {
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codeAreaPanel.add(valuesPanelScrollBar, BorderLayout.SOUTH);
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codeAreaPanel.revalidate();
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codeAreaPanel.repaint();
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valuesPanelVisible = true;
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valuesPanel.enableUpdate();
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} else {
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valuesPanel.disableUpdate();
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codeAreaPanel.remove(valuesPanelScrollBar);
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codeAreaPanel.revalidate();
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codeAreaPanel.repaint();
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valuesPanelVisible = false;
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}
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}
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}
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public void registerBinaryStatus(BinaryStatusApi binaryStatusApi) {
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this.binaryStatus = binaryStatusApi;
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codeArea.addCaretMovedListener((CodeAreaCaretPosition caretPosition) -> binaryStatus.setCursorPosition(caretPosition));
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codeArea.addSelectionChangedListener(() -> binaryStatus.setSelectionRange(codeArea.getSelection()));
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codeArea.addDataChangedListener(() -> binaryStatus.setCurrentDocumentSize(codeArea.getDataSize(), codeArea.getDataSize()));
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binaryStatus.setCurrentDocumentSize(codeArea.getDataSize(), codeArea.getDataSize());
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codeArea.addEditModeChangedListener(binaryStatus::setEditMode);
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binaryStatus.setEditMode(codeArea.getEditMode(), codeArea.getActiveOperation());
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}
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/**
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* Returns platform specific down mask filter.
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*
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* @return down mask for meta keys
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*/
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public static int getMetaMask() {
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try {
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switch (java.awt.Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()) {
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case java.awt.Event.META_MASK:
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return KeyEvent.META_DOWN_MASK;
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case java.awt.Event.SHIFT_MASK:
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return KeyEvent.SHIFT_DOWN_MASK;
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case java.awt.Event.ALT_MASK:
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return KeyEvent.ALT_DOWN_MASK;
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default:
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return KeyEvent.CTRL_DOWN_MASK;
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}
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} catch (java.awt.HeadlessException ex) {
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return KeyEvent.CTRL_DOWN_MASK;
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}
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}
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@Nonnull
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private JPopupMenu createPopupMenu() {
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JPopupMenu menu = new JPopupMenu();
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JMenu viewMenu = new JMenu("View");
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JMenu codeTypeMenu = new JMenu("Code Type");
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ButtonGroup codeTypeButtonGroup = new ButtonGroup();
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JRadioButtonMenuItem binaryCodeTypeMenuItem = new JRadioButtonMenuItem(new AbstractAction("Binary") {
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@Override
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public void actionPerformed(ActionEvent e) {
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codeArea.setCodeType(CodeType.BINARY);
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updateCycleButtonState();
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menu.setVisible(false);
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}
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});
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codeTypeButtonGroup.add(binaryCodeTypeMenuItem);
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JRadioButtonMenuItem octalCodeTypeMenuItem = new JRadioButtonMenuItem(new AbstractAction("Octal") {
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@Override
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public void actionPerformed(ActionEvent e) {
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codeArea.setCodeType(CodeType.OCTAL);
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updateCycleButtonState();
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menu.setVisible(false);
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}
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});
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codeTypeButtonGroup.add(octalCodeTypeMenuItem);
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JRadioButtonMenuItem decimalCodeTypeMenuItem = new JRadioButtonMenuItem(new AbstractAction("Decimal") {
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@Override
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public void actionPerformed(ActionEvent e) {
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codeArea.setCodeType(CodeType.DECIMAL);
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updateCycleButtonState();
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menu.setVisible(false);
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}
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});
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codeTypeButtonGroup.add(decimalCodeTypeMenuItem);
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JRadioButtonMenuItem hexadecimalCodeTypeMenuItem = new JRadioButtonMenuItem(new AbstractAction("Hexadecimal") {
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@Override
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public void actionPerformed(ActionEvent e) {
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codeArea.setCodeType(CodeType.HEXADECIMAL);
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updateCycleButtonState();
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menu.setVisible(false);
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}
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});
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codeTypeButtonGroup.add(hexadecimalCodeTypeMenuItem);
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codeTypeMenu.add(binaryCodeTypeMenuItem);
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codeTypeMenu.add(octalCodeTypeMenuItem);
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codeTypeMenu.add(decimalCodeTypeMenuItem);
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codeTypeMenu.add(hexadecimalCodeTypeMenuItem);
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switch (codeArea.getCodeType()) {
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case BINARY: {
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binaryCodeTypeMenuItem.setSelected(true);
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break;
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}
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case OCTAL: {
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octalCodeTypeMenuItem.setSelected(true);
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break;
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}
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case DECIMAL: {
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decimalCodeTypeMenuItem.setSelected(true);
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break;
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}
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case HEXADECIMAL: {
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hexadecimalCodeTypeMenuItem.setSelected(true);
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break;
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}
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}
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viewMenu.add(codeTypeMenu);
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JCheckBoxMenuItem showValuesPanelMenuItem = new JCheckBoxMenuItem("Show values panel");
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showValuesPanelMenuItem.setSelected(valuesPanelVisible);
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showValuesPanelMenuItem.addActionListener((event) -> {
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setShowValuesPanel(showValuesPanelMenuItem.isSelected());
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menu.setVisible(false);
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});
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viewMenu.add(showValuesPanelMenuItem);
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JCheckBoxMenuItem codeColorizationMenuItem = new JCheckBoxMenuItem("Code Colorization");
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codeColorizationMenuItem.setSelected(((HighlightNonAsciiCodeAreaPainter) codeArea.getPainter()).isNonAsciiHighlightingEnabled());
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codeColorizationMenuItem.addActionListener((event) -> {
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((HighlightNonAsciiCodeAreaPainter) codeArea.getPainter()).setNonAsciiHighlightingEnabled(codeColorizationMenuItem.isSelected());
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menu.setVisible(false);
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});
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viewMenu.add(codeColorizationMenuItem);
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menu.add(viewMenu);
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final JMenuItem copyMenuItem = new JMenuItem("Copy");
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copyMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, HexViewer.getMetaMask()));
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copyMenuItem.setEnabled(codeArea.hasSelection());
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copyMenuItem.addActionListener((ActionEvent e) -> codeArea.copy());
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menu.add(copyMenuItem);
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final JMenuItem selectAllMenuItem = new JMenuItem("Select All");
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selectAllMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, HexViewer.getMetaMask()));
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selectAllMenuItem.addActionListener((ActionEvent e) -> codeArea.selectAll());
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menu.add(selectAllMenuItem);
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menu.addSeparator();
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final JMenuItem goToMenuItem = new JMenuItem("Go To...");
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goToMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_G, HexViewer.getMetaMask()));
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goToMenuItem.addActionListener(goToAction);
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menu.add(goToMenuItem);
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return menu;
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}
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private void updateCycleButtonState() {
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CodeType codeType = codeArea.getCodeType();
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cycleCodeTypeButton.setText(codeType.name().substring(0, 3));
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}
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}
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