public DiffContentPanel(EditableDiffView master, boolean isFirst) {
this.master = master;
this.isFirst = isFirst;
setLayout(new BorderLayout());
editorPane = new DecoratedEditorPane(this);
editorPane.setEditable(false);
scrollPane = new JScrollPane(editorPane);
add(scrollPane);
linesActions = new LineNumbersActionsBar(this, master.isActionsEnabled());
actionsScrollPane = new JScrollPane(linesActions);
actionsScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
actionsScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
actionsScrollPane.setBorder(null);
add(actionsScrollPane, isFirst ? BorderLayout.LINE_END : BorderLayout.LINE_START);
editorPane.putClientProperty(DiffHighlightsLayerFactory.HIGHLITING_LAYER_ID, this);
if (!isFirst) {
// disable focus traversal, but permit just the up-cycle on ESC key
editorPane.setFocusTraversalKeys(
KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, Collections.EMPTY_SET);
editorPane.setFocusTraversalKeys(
KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, Collections.EMPTY_SET);
editorPane.setFocusTraversalKeys(
KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS,
Collections.singleton(KeyStroke.getAWTKeyStroke(KeyEvent.VK_ESCAPE, 0)));
editorPane.putClientProperty("errorStripeOnly", Boolean.TRUE);
editorPane.putClientProperty("code-folding-enable", false);
}
}
