示例#1
0
 protected boolean onChar(KeyboardEvent event) {
   if (noContent()) return true;
   final int count = model.getItemCount();
   final char c = event.getChar();
   final String beginning;
   if (selected() != null) {
     if (hotPointX >= appearance.getObservableRightBound(selected())) return false;
     final String name = getObservableSubstr(selected());
     final int pos =
         Math.min(hotPointX - appearance.getObservableLeftBound(selected()), name.length());
     if (pos < 0) return false;
     beginning = name.substring(0, pos);
   } else beginning = "";
   Log.debug("list", "beginning:" + beginning);
   final String mustBegin = beginning + c;
   for (int i = 0; i < count; ++i) {
     Log.debug("list", "checking:" + i);
     final String name = getObservableSubstr(model.getItem(i));
     Log.debug("list", "name:" + name);
     if (!name.startsWith(mustBegin)) continue;
     hotPointY = getLineIndexByItemIndex(i);
     Log.debug("list", "hotPointY:" + hotPointY);
     ++hotPointX;
     appearance.announceItem(model.getItem(hotPointY), NONE_APPEARANCE_FLAGS);
     environment.onAreaNewHotPoint(this);
     return true;
   }
   return false;
 }
示例#2
0
 protected boolean onTransition(Transition.Type type, int hint, boolean briefAnnouncement) {
   NullCheck.notNull(type, "type");
   //	NullCheck.notNull(hint, "hint");
   if (noContent()) return true;
   final int index = selectedIndex();
   final int count = model.getItemCount();
   final int emptyCountTop = flags.contains(Flags.EMPTY_LINE_TOP) ? 1 : 0;
   final Transition.State current;
   if (index >= 0) current = new Transition.State(index);
   else if (flags.contains(Flags.EMPTY_LINE_TOP) && hotPointY == 0)
     current = new Transition.State(Transition.State.Type.EMPTY_LINE_TOP);
   else if (flags.contains(Flags.EMPTY_LINE_BOTTOM) && hotPointY == count + emptyCountTop)
     current = new Transition.State(Transition.State.Type.EMPTY_LINE_BOTTOM);
   else return false;
   final Transition.State newState =
       transition.transition(
           type,
           current,
           count,
           flags.contains(Flags.EMPTY_LINE_TOP),
           flags.contains(Flags.EMPTY_LINE_BOTTOM));
   NullCheck.notNull(newState, "newState");
   Log.debug("list", "newState=" + newState.type);
   switch (newState.type) {
     case NO_TRANSITION:
       environment.hint(hint);
       return true;
     case EMPTY_LINE_TOP:
       if (!flags.contains(Flags.EMPTY_LINE_TOP)) return false;
       hotPointY = 0;
       break;
     case EMPTY_LINE_BOTTOM:
       if (!flags.contains(Flags.EMPTY_LINE_BOTTOM)) return false;
       hotPointY = count + emptyCountTop;
       break;
     case ITEM_INDEX:
       if (newState.itemIndex < 0 || newState.itemIndex >= count) return false;
       hotPointY = newState.itemIndex + emptyCountTop;
       break;
     default:
       return false;
   }
   onNewHotPointY(briefAnnouncement);
   return true;
 }