private boolean autoSelectUsingStatistics() {
    final String filter = getSpeedSearch().getFilter();
    if (!StringUtil.isEmpty(filter)) {
      int maxUseCount = -1;
      int mostUsedValue = -1;
      int elementsCount = myListModel.getSize();
      for (int i = 0; i < elementsCount; i++) {
        Object value = myListModel.getElementAt(i);
        final String text = getListStep().getTextFor(value);
        final int count =
            StatisticsManager.getInstance()
                .getUseCount(
                    new StatisticsInfo("#list_popup:" + myStep.getTitle() + "#" + filter, text));
        if (count > maxUseCount) {
          maxUseCount = count;
          mostUsedValue = i;
        }
      }

      if (mostUsedValue > 0) {
        ListScrollingUtil.selectItem(myList, mostUsedValue);
        return true;
      }
    }

    return false;
  }
 private void selectFirstSelectableItem() {
   for (int i = 0; i < myListModel.getSize(); i++) {
     if (getListStep().isSelectable(myListModel.getElementAt(i))) {
       myList.setSelectedIndex(i);
       break;
     }
   }
 }
  private int getSelectableCount() {
    int count = 0;
    for (int i = 0; i < myListModel.getSize(); i++) {
      final Object each = myListModel.getElementAt(i);
      if (getListStep().isSelectable(each)) {
        count++;
      }
    }

    return count;
  }
 protected void onSelectByMnemonic(Object value) {
   if (myListModel.isVisible(value)) {
     myList.setSelectedValue(value, true);
     myList.repaint();
     handleSelect(true);
   }
 }
  protected void onSpeedSearchPatternChanged() {
    myListModel.refilter();
    if (myListModel.getSize() > 0) {
      if (!autoSelectUsingStatistics()) {
        int fullMatchIndex = myListModel.getClosestMatchIndex();
        if (fullMatchIndex != -1) {
          myList.setSelectedIndex(fullMatchIndex);
        }

        if (myListModel.getSize() <= myList.getSelectedIndex()
            || !myListModel.isVisible(myList.getSelectedValue())) {
          myList.setSelectedIndex(0);
        }
      }
    }
  }
 private boolean hasSingleSelectableItemWithSubmenu() {
   boolean oneSubmenuFound = false;
   int countSelectables = 0;
   for (int i = 0; i < myListModel.getSize(); i++) {
     Object elementAt = myListModel.getElementAt(i);
     if (getListStep().isSelectable(elementAt)) {
       countSelectables++;
       if (getStep().hasSubstep(elementAt)) {
         if (oneSubmenuFound) {
           return false;
         }
         oneSubmenuFound = true;
       }
     }
   }
   return oneSubmenuFound && countSelectables == 1;
 }
  protected boolean beforeShow() {
    myList.addMouseMotionListener(myMouseMotionListener);
    myList.addMouseListener(myMouseListener);

    myList.setVisibleRowCount(Math.min(myMaxRowCount, myListModel.getSize()));

    boolean shouldShow = super.beforeShow();
    if (myAutoHandleBeforeShow) {
      final boolean toDispose = tryToAutoSelect(true);
      shouldShow &= !toDispose;
    }

    return shouldShow;
  }
  private boolean _handleSelect(final boolean handleFinalChoices, InputEvent e) {
    if (myList.getSelectedIndex() == -1) return false;

    if (getSpeedSearch().isHoldingFilter() && myList.getModel().getSize() == 0) return false;

    if (myList.getSelectedIndex() == getIndexForShowingChild()) {
      if (myChild != null && !myChild.isVisible()) setIndexForShowingChild(-1);
      return false;
    }

    final Object[] selectedValues = myList.getSelectedValues();
    final ListPopupStep<Object> listStep = getListStep();
    if (!listStep.isSelectable(selectedValues[0])) return false;

    if ((listStep instanceof MultiSelectionListPopupStep<?>
                && !((MultiSelectionListPopupStep<Object>) listStep)
                    .hasSubstep(Arrays.asList(selectedValues))
            || !listStep.hasSubstep(selectedValues[0]))
        && !handleFinalChoices) return false;

    disposeChildren();

    if (myListModel.getSize() == 0) {
      setFinalRunnable(myStep.getFinalRunnable());
      setOk(true);
      disposeAllParents(e);
      setIndexForShowingChild(-1);
      return true;
    }

    valuesSelected(selectedValues);

    final PopupStep nextStep =
        listStep instanceof MultiSelectionListPopupStep<?>
            ? ((MultiSelectionListPopupStep<Object>) listStep)
                .onChosen(Arrays.asList(selectedValues), handleFinalChoices)
            : listStep.onChosen(selectedValues[0], handleFinalChoices);
    return handleNextStep(nextStep, selectedValues.length == 1 ? selectedValues[0] : null, e);
  }