*
* @return javax.swing.JSlider
*/
private JSlider getTinaCameraPerspectiveSlider() {
if (tinaCameraPerspectiveSlider == null) {
tinaCameraPerspectiveSlider = new JSlider();
tinaCameraPerspectiveSlider.setName("tinaCameraPerspectiveSlider");
tinaCameraPerspectiveSlider.addMouseListener(new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
tinaController.saveUndoPoint();