Esempio n. 1
0
 @Override
 public void updateUI() {
   if (Objects.nonNull(cbml)) {
     JList<?> list = getList();
     if (Objects.nonNull(list)) {
       list.removeMouseListener(cbml);
       list.removeMouseMotionListener(cbml);
     }
   }
   super.updateUI();
   setRenderer(new ButtonsRenderer<E>(this));
   JList<?> list = getList();
   if (Objects.nonNull(list)) {
     cbml = new CellButtonsMouseListener();
     list.addMouseListener(cbml);
     list.addMouseMotionListener(cbml);
   }
 }
Esempio n. 2
0
 @Override
 public void mousePressed(MouseEvent e) {
   JList list = (JList) e.getComponent();
   Point pt = e.getPoint();
   int index = list.locationToIndex(pt);
   if (index >= 0) {
     JButton button = getButton(list, pt, index);
     if (Objects.nonNull(button)) {
       listRepaint(list, list.getCellBounds(index, index));
     }
   }
 }
Esempio n. 3
0
 @Override
 public void mouseMoved(MouseEvent e) {
   JList list = (JList) e.getComponent();
   Point pt = e.getPoint();
   int index = list.locationToIndex(pt);
   if (!list.getCellBounds(index, index).contains(pt)) {
     if (prevIndex >= 0) {
       Rectangle r = list.getCellBounds(prevIndex, prevIndex);
       listRepaint(list, r);
     }
     index = -1;
     prevButton = null;
     return;
   }
   if (index >= 0) {
     JButton button = getButton(list, pt, index);
     ButtonsRenderer renderer = (ButtonsRenderer) list.getCellRenderer();
     if (Objects.nonNull(button)) {
       renderer.rolloverIndex = index;
       if (!button.equals(prevButton)) {
         Rectangle r = list.getCellBounds(prevIndex, index);
         listRepaint(list, r);
       }
     } else {
       renderer.rolloverIndex = -1;
       Rectangle r = null;
       if (prevIndex == index) {
         if (prevIndex >= 0 && Objects.nonNull(prevButton)) {
           r = list.getCellBounds(prevIndex, prevIndex);
         }
       } else {
         r = list.getCellBounds(index, index);
       }
       listRepaint(list, r);
       prevIndex = -1;
     }
     prevButton = button;
   }
   prevIndex = index;
 }
Esempio n. 4
0
 private static void listRepaint(JList list, Rectangle rect) {
   if (Objects.nonNull(rect)) {
     list.repaint(rect);
   }
 }