public int getYValueFromOffset(int offset) {
try {
return textPane.modelToView(offset).y;
} catch (Exception e) {
System.out.println("EditorServer: DocumentPanel: getYValueFromOffset. error");
e.printStackTrace();
return 0;
}
}
public DocumentPanel() {
super(new BorderLayout());
JLabel lblDocument = new JLabel("Document: " + document.getTitle());
lblDocument.setBorder(new EtchedBorder());
textPane = new JTextPane(document);
textPane.setEditable(false);
textPane.setMargin(new Insets(5, 20, 5, 5));
textPane.setMaximumSize(new Dimension(364, 1000000000));
textPane.setPreferredSize(new Dimension(364, 400));
textPane.setMinimumSize(new Dimension(364, 10));
textPane.addCaretListener(
new CaretListener() {
public void caretUpdate(CaretEvent e) {
int length = document.getLength();
int offset = e.getDot();
if (e.getDot() == e.getMark()) textPane.getCaret().moveDot(offset + 1);
Paragraph p = lockManager.getParFromOffset(offset);
int pOffset = p.getOffset();
lblCursor.setText(
"Document Length="
+ String.valueOf(length)
+ ", CaretOffset="
+ String.valueOf(offset)
+ ", Paragraph="
+ p.toString()
+ ", Offset in Paragraph="
+ String.valueOf(offset - p.getOffset()));
}
});
Box box = new Box(BoxLayout.X_AXIS);
box.add(textPane);
box.add(Box.createGlue());
box.setBackground(Color.WHITE);
box.setOpaque(true);
box.setPreferredSize(new Dimension(600, 10000));
lblCursor = new JLabel("Cursor");
lblCursor.setBorder(new EtchedBorder());
JPanel boxText = new JPanel(new BorderLayout());
boxText.setBorder(new EmptyBorder(5, 5, 5, 5));
boxText.add(lblDocument, BorderLayout.NORTH);
boxText.add(new JScrollPane(box), BorderLayout.CENTER);
boxText.add(lblCursor, BorderLayout.SOUTH);
JLabel lblPars = new JLabel("Paragraphs: ");
lblPars.setBorder(new EtchedBorder());
parList = new JList();
parList.setPreferredSize(new Dimension(100, 300));
parList.setEnabled(false);
JPanel boxPars = new JPanel(new BorderLayout());
boxPars.setBorder(new EmptyBorder(5, 5, 5, 5));
boxPars.add(lblPars, BorderLayout.NORTH);
boxPars.add(new JScrollPane(parList), BorderLayout.CENTER);
add(boxText, BorderLayout.CENTER);
add(boxPars, BorderLayout.EAST);
}
public int getOffsetFromPoint(Point p) {
return textPane.viewToModel(p);
}