public void Test_FocusNavigator_Navigate_4()
{
var input = GetMockData();
var focusNavigator = new FocusNavigator(input);
focusNavigator.NavigateToPrevious();
Assert.IsTrue(input[input.Count - 1].IsFocused);
}
public void Test_FocusNavigator_Navigate_1()
{
var input = GetMockData();
var focusNavigator = new FocusNavigator(input);
focusNavigator.NavigateToNext();
Assert.IsTrue(input[1].IsFocused);
}
public void Test_FocusNavigator_FocusFirstItem()
{
var input = GetMockData();
var focusNavigator = new FocusNavigator(input);
focusNavigator.FocusFirstItem();
Assert.IsTrue(input[0].IsFocused);
}
public void Test_FocusNavigator_OnlyOneItemShouldBeFocusedAtATime()
{
var input = GetMockData();
var focusNavigator = new FocusNavigator(input);
focusNavigator.NavigateToNext();
focusNavigator.NavigateToNext();
Assert.IsTrue(input.Count(x => x.IsFocused) == 1);
}
private void OnFocusNavigatorChanged(FocusNavigator <TItem> oldFocusNavigator, FocusNavigator <TItem> newFocusNavigator)
{
if (oldFocusNavigator != null)
{
oldFocusNavigator.IsLogical = false;
}
if (newFocusNavigator != null)
{
newFocusNavigator.IsLogical = true;
}
}
public SubjectListModel(List <SubjectModel> subjectModels, Func <Slot[], List <List <Slot> > > permutator = null,
ITaskRunnerWithProgressFeedback taskRunner = null)
{
_subjectModels = subjectModels;
_subjectSelectionManager = new SubjectSelectionManager(subjectModels, permutator, taskRunner);
_subjectSelectionManager.SelectedSubjectCountChanged +=
_subjectSelectionManager_SelectedSubjectCountChanged;
_subjectSelectionManager.NewListOfTimetablesGenerated +=
_subjectSelectionManager_NewListOfTimetablesGenerated;
foreach (var subjectModel in _subjectModels)
{
_nameAndCodeOfAllSubjects.Add(subjectModel.Name);
_nameAndCodeOfAllSubjects.Add(subjectModel.Code);
}
_focusNavigator = new FocusNavigator(new List <IFocusable>(_subjectModels));
_focusNavigator.FocusFirstItem();
}
/// <summary>
/// Performs tab navigation while focus is within the drop down.
/// </summary>
private void PerformTabNavigation(Key key, ModifierKeys modifiers)
{
var shift = ((modifiers & ModifierKeys.Shift) == ModifierKeys.Shift);
var ctrl = ((modifiers & ModifierKeys.Control) == ModifierKeys.Control);
var focused = Keyboard.GetFocusedElement(View) as UIElement;
if (FocusNavigator.PerformNavigation(View, focused, shift ? FocusNavigationDirection.Previous : FocusNavigationDirection.Next, ctrl))
{
focused = Keyboard.GetFocusedElement(View) as UIElement;
var container = (focused == null) ? null : ItemsControlUtil.FindContainer <ComboBoxItem>(this, focused);
if (container != null)
{
ItemsControlUtil.ScrollItemIntoView <ComboBoxItem>(this, PART_ScrollViewer, container);
}
}
}
private void OnIsDropDownOpenChangedSelector()
{
var selectorController = SelectorController;
if (selectorController == null)
{
return;
}
if (IsDropDownOpen)
{
//selectorController.SuspendSelection();
var selectedItem = selectorController.SelectedItem;
if (selectedItem != null)
{
ItemCollection.BringIntoViewInternal(new BringIntoViewRequest <TItem>(selectedItem, BringIntoViewMode.Top));
FocusNavigator.FocusedItem = selectedItem;
FocusHelper.QueryFocus(selectedItem);
}
else
{
ItemCollection.BringIntoViewInternal(0);
FocusNavigator.ClearFocus();
}
}
else
{
if (selectorController.IsSelectionSuspended)
{
//selectorController.RestoreSelection();
//selectorController.ResumeSelection();
}
}
}
