/// <inheritdoc/>
protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
PointerEventHandler pointerPressedHandler = RichEditBox_OnPointerPressed;
PointerEventHandler pointerMovedHandler = RichEditBox_OnPointerMoved;
_suggestionPopup = (Popup)GetTemplateChild(PartSuggestionsPopup);
_richEditBox = (RichEditBox)GetTemplateChild(PartRichEditBox);
_suggestionsList = (ListViewBase)GetTemplateChild(PartSuggestionsList);
_suggestionsContainer = (Border)GetTemplateChild(PartSuggestionsContainer);
ConditionallyLoadElement(Header, PartHeaderContentPresenter);
ConditionallyLoadElement(Description, PartDescriptionPresenter);
if (_richEditBox != null)
{
_richEditBox.SizeChanged -= RichEditBox_SizeChanged;
_richEditBox.TextChanging -= RichEditBox_TextChanging;
_richEditBox.TextChanged -= RichEditBox_TextChanged;
_richEditBox.TextCompositionStarted -= RichEditBox_TextCompositionStarted;
_richEditBox.TextCompositionChanged -= RichEditBox_TextCompositionChanged;
_richEditBox.TextCompositionEnded -= RichEditBox_TextCompositionEnded;
_richEditBox.SelectionChanging -= RichEditBox_SelectionChanging;
_richEditBox.SelectionChanged -= RichEditBox_SelectionChanged;
_richEditBox.Paste -= RichEditBox_Paste;
_richEditBox.PreviewKeyDown -= RichEditBox_PreviewKeyDown;
_richEditBox.RemoveHandler(PointerMovedEvent, pointerMovedHandler);
_richEditBox.RemoveHandler(PointerPressedEvent, pointerPressedHandler);
_richEditBox.ProcessKeyboardAccelerators -= RichEditBox_ProcessKeyboardAccelerators;
_richEditBox.SizeChanged += RichEditBox_SizeChanged;
_richEditBox.TextChanging += RichEditBox_TextChanging;
_richEditBox.TextChanged += RichEditBox_TextChanged;
_richEditBox.TextCompositionStarted += RichEditBox_TextCompositionStarted;
_richEditBox.TextCompositionChanged += RichEditBox_TextCompositionChanged;
_richEditBox.TextCompositionEnded += RichEditBox_TextCompositionEnded;
_richEditBox.SelectionChanging += RichEditBox_SelectionChanging;
_richEditBox.SelectionChanged += RichEditBox_SelectionChanged;
_richEditBox.Paste += RichEditBox_Paste;
_richEditBox.PreviewKeyDown += RichEditBox_PreviewKeyDown;
_richEditBox.AddHandler(PointerMovedEvent, pointerMovedHandler, true);
_richEditBox.AddHandler(PointerPressedEvent, pointerPressedHandler, true);
_richEditBox.ProcessKeyboardAccelerators += RichEditBox_ProcessKeyboardAccelerators;
}
if (_suggestionsList != null)
{
_suggestionsList.ItemClick -= SuggestionsList_ItemClick;
_suggestionsList.SizeChanged -= SuggestionsList_SizeChanged;
_suggestionsList.GotFocus -= SuggestionList_GotFocus;
_suggestionsList.ItemClick += SuggestionsList_ItemClick;
_suggestionsList.SizeChanged += SuggestionsList_SizeChanged;
_suggestionsList.GotFocus += SuggestionList_GotFocus;
}
}
public PopupPanel(Popup popup)
{
Popup = popup;
Visibility = Visibility.Collapsed;
Background = SolidColorBrushHelper.Transparent;
}
protected PlacementPopupPanel(Popup popup) : base(popup)
{
Loaded += (s, e) => Windows.UI.Xaml.Window.Current.SizeChanged += Current_SizeChanged;
Unloaded += (s, e) => Windows.UI.Xaml.Window.Current.SizeChanged -= Current_SizeChanged;
}
public static void SetPopup(DependencyObject obj, Popup value)
{
obj.SetValue(PopupProperty, value);
}
protected PlacementPopupPanel(Popup popup) : base(popup)
{
}
public DropDownLayouter(ComboBox combo, Popup popup)
{
_combo = (combo as IWeakReferenceProvider).WeakReference;
_popup = (popup as IWeakReferenceProvider).WeakReference;
}