public void onKeyPressed(KeyEvent e) {
int selectedIndex = list.getSelectedIndex();
int newIndex = selectedIndex;
int rowsOnScreen = scroll.getHeight() / list.getFixedCellHeight();
switch (e.getKeyCode()) {
case KeyEvent.VK_UP:
case KeyEvent.VK_KP_UP:
if (!e.isAltDown()) {
newIndex--;
}
break;
case KeyEvent.VK_DOWN:
case KeyEvent.VK_KP_DOWN:
if (!e.isAltDown()) {
newIndex++;
}
break;
case KeyEvent.VK_PAGE_UP:
newIndex -= rowsOnScreen;
break;
case KeyEvent.VK_PAGE_DOWN:
newIndex += rowsOnScreen;
break;
case KeyEvent.VK_ENTER:
if ((e.getModifiersEx() & KeyEvent.CTRL_DOWN_MASK) > 0) {
model.suggest(field.getText().trim());
} else if ((e.getModifiersEx() & KeyEvent.SHIFT_DOWN_MASK) > 0) {
model.popOut(field.getText().trim());
} else {
translateSelected();
}
break;
}
// check, whether index was changed
if (newIndex == selectedIndex) {
return;
}
int size = list.getModel().getSize();
if (newIndex < 0) {
newIndex = 0;
}
if (newIndex >= size) {
newIndex = size - 1;
}
setSelectedIndex(newIndex);
setSearchTextWithoutNavigating(getSelectedIndexText());
}
