...
private JTable table;
private int row;
private int size;
private Rectangle r;
private Point p;
...
MouseAdapter ma = new MouseAdapter() {
@Override
public void mousePressed(MouseEvent evt) {
row = table.rowAtPoint(evt.getPoint());
r = table.getCellRect(row, 0, true);
p = evt.getPoint();
size = table.getRowHeight(row);
}
@Override
public void mouseDragged(MouseEvent evt) {
if (table.getCursor().getType() == Cursor.S_RESIZE_CURSOR) {
int newSize = size + (evt.getY() - p.y);
if (newSize < 1) {
newSize = 1;
}
table.setRowHeight(row, newSize);
}
}
@Override
public void mouseMoved(MouseEvent evt) {
row = table.rowAtPoint(evt.getPoint());
r = table.getCellRect(row, 0, true);
table.setCursor(Cursor.getDefaultCursor());
if (evt.getY() > r.y + r.height - 6) {
table.setCursor(Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR));
}
}
};
table.addMouseListener(ma);
table.addMouseMotionListener(ma);
...
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