/** ********************************************************************** */
protected void processMouseEvent(int type, int x, int y) {
if (type == Event.MOUSE_CLICKED) {
// Selecciona/Deselecciona.
int index = y / cell_height;
if (index >= 0) {
if (!selection.isSelectedIndex(index)) selection.selectIndex(index);
else selection.deselectIndex(index);
}
rollover = index;
repaintCell(rollover);
} else if (type == Event.MOUSE_ENTERED || type == Event.MOUSE_MOVED) {
int r = y / cell_height;
if (rollover != r) {
repaintCell(rollover);
rollover = r;
repaintCell(rollover);
}
} else if (type == Event.MOUSE_EXITED) {
repaintCell(rollover);
rollover = -1;
}
//
super.processMouseEvent(type, x, y);
}
/** ********************************************************************** */
public void paintComponent(Graphics g) {
for (int i = 0; i < model.size(); i++) {
int y = i * cell_height;
if (y + cell_height < g.getClipY()) continue;
else if (y > g.getClipY() + g.getClipHeight()) break;
//
g.translate(0, y);
IComponent c =
renderer.getListCellRendererComponent(
this, model.elementAt(i), i, selection.isSelectedIndex(i), (rollover == i));
c.setBounds(0, 0, bounds.width, cell_height);
c.setFont(font);
c.setEnabled(enabled);
c.paint(g);
g.translate(0, -y);
}
}
/** Hace scroll hasta el índice seleccionado. */
public void scrollToSelectedIndex() {
scrollTo(selection.getSelectedIndex());
}