/// <summary>
/// Builds the visual tree for the
/// <see cref="T:Microsoft.Phone.Controls.AutoCompleteBox" /> control
/// when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
if (TextBox != null)
{
#if SILVERLIGHT
#if WINDOWS_PHONE
TextBox.RemoveHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnUIElementKeyDown));
TextBox.RemoveHandler(UIElement.KeyUpEvent, new KeyEventHandler(OnUIElementKeyUp));
#else
TextBox.RemoveHandler(TextBox.TextInputStartEvent, new TextCompositionEventHandler(OnTextBoxTextInputStart));
TextBox.RemoveHandler(TextBox.TextInputEvent, new TextCompositionEventHandler(OnTextBoxTextInput));
#endif
#else
TextBox.PreviewKeyDown -= OnTextBoxPreviewKeyDown;
#endif
}
if (DropDownPopup != null)
{
DropDownPopup.Closed -= DropDownPopup_Closed;
DropDownPopup.FocusChanged -= OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates -= OnDropDownPopupUpdateVisualStates;
DropDownPopup.BeforeOnApplyTemplate();
DropDownPopup = null;
}
base.OnApplyTemplate();
// Set the template parts. Individual part setters remove and add
// any event handlers.
Popup popup = GetTemplateChild(ElementPopup) as Popup;
if (popup != null)
{
DropDownPopup = new PopupHelper(this, popup);
DropDownPopup.MaxDropDownHeight = MaxDropDownHeight;
DropDownPopup.AfterOnApplyTemplate();
DropDownPopup.Closed += DropDownPopup_Closed;
DropDownPopup.FocusChanged += OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates += OnDropDownPopupUpdateVisualStates;
#if WP7
// In WP7, a rendering bug caused a ScrollViewer inside a Popup in the visual tree
// to be rendered at the wrong location onscreen.
// We want to remove the popup from the visual tree so we can position it ourselves,
// since having it in the visual tree doesn't work with any control that sets
// a TranslateTransform on its children.
DependencyObject popupParent = VisualTreeHelper.GetParent(popup);
Panel popupParentPanel = popupParent as Panel;
if (popupParentPanel != null)
{
popupParentPanel.Children.Remove(popup);
}
else
{
ContentControl popupParentContentControl = popupParent as ContentControl;
if (popupParentContentControl != null)
{
popupParentContentControl.Content = null;
}
}
#endif
}
SelectionAdapter = GetSelectionAdapterPart();
TextBox = GetTemplateChild(AutoCompleteBox.ElementTextBox) as TextBox;
if (TextBox != null)
{
#if SILVERLIGHT
#if WINDOWS_PHONE
TextBox.AddHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnUIElementKeyDown), true);
TextBox.AddHandler(UIElement.KeyUpEvent, new KeyEventHandler(OnUIElementKeyUp), true);
#else
TextBox.AddHandler(TextBox.TextInputStartEvent, new TextCompositionEventHandler(OnTextBoxTextInputStart), true);
TextBox.AddHandler(TextBox.TextInputEvent, new TextCompositionEventHandler(OnTextBoxTextInput), true);
#endif
#else
TextBox.PreviewKeyDown += OnTextBoxPreviewKeyDown;
#endif
}
Interaction.OnApplyTemplateBase();
// If the drop down property indicates that the popup is open,
// flip its value to invoke the changed handler.
if (IsDropDownOpen && DropDownPopup != null && !DropDownPopup.IsOpen)
{
OpeningDropDown(false);
}
}
/// <summary>
/// Builds the visual tree for the
/// <see cref="T:System.Windows.Controls.AutoCompleteBox" /> control
/// when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
#if !SILVERLIGHT
if (TextBox != null)
{
TextBox.PreviewKeyDown -= OnTextBoxPreviewKeyDown;
}
#endif
if (DropDownPopup != null)
{
DropDownPopup.Closed -= DropDownPopup_Closed;
DropDownPopup.FocusChanged -= OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates -= OnDropDownPopupUpdateVisualStates;
DropDownPopup.BeforeOnApplyTemplate();
DropDownPopup = null;
}
base.OnApplyTemplate();
// Set the template parts. Individual part setters remove and add
// any event handlers.
Popup popup = GetTemplateChild(ElementPopup) as Popup;
if (popup != null)
{
DropDownPopup = new PopupHelper(this, popup);
DropDownPopup.MaxDropDownHeight = MaxDropDownHeight;
DropDownPopup.AfterOnApplyTemplate();
DropDownPopup.Closed += DropDownPopup_Closed;
DropDownPopup.FocusChanged += OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates += OnDropDownPopupUpdateVisualStates;
}
SelectionAdapter = GetSelectionAdapterPart();
TextBox = GetTemplateChild(AutoCompleteBox.ElementTextBox) as TextBox;
#if !SILVERLIGHT
if (TextBox != null)
{
TextBox.PreviewKeyDown += OnTextBoxPreviewKeyDown;
}
#endif
Interaction.OnApplyTemplateBase();
// If the drop down property indicates that the popup is open,
// flip its value to invoke the changed handler.
if (IsDropDownOpen && DropDownPopup != null && !DropDownPopup.IsOpen)
{
OpeningDropDown(false);
}
}
/// <summary>
/// Builds the visual tree for the
/// <see cref="T:Microsoft.Phone.Controls.AutoCompleteBox" /> control
/// when a new template is applied.
/// </summary>
public override void OnApplyTemplate()
{
if (TextBox != null)
{
#if SILVERLIGHT
#if WINDOWS_PHONE
TextBox.RemoveHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnUIElementKeyDown));
TextBox.RemoveHandler(UIElement.KeyUpEvent, new KeyEventHandler(OnUIElementKeyUp));
#else
TextBox.RemoveHandler(TextBox.TextInputStartEvent, new TextCompositionEventHandler(OnTextBoxTextInputStart));
TextBox.RemoveHandler(TextBox.TextInputEvent, new TextCompositionEventHandler(OnTextBoxTextInput));
#endif
#else
TextBox.PreviewKeyDown -= OnTextBoxPreviewKeyDown;
#endif
}
if (DropDownPopup != null)
{
DropDownPopup.Closed -= DropDownPopup_Closed;
DropDownPopup.FocusChanged -= OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates -= OnDropDownPopupUpdateVisualStates;
DropDownPopup.BeforeOnApplyTemplate();
DropDownPopup = null;
}
base.OnApplyTemplate();
// Set the template parts. Individual part setters remove and add
// any event handlers.
Popup popup = GetTemplateChild(ElementPopup) as Popup;
if (popup != null)
{
DropDownPopup = new PopupHelper(this, popup);
DropDownPopup.MaxDropDownHeight = MaxDropDownHeight;
DropDownPopup.AfterOnApplyTemplate();
DropDownPopup.Closed += DropDownPopup_Closed;
DropDownPopup.FocusChanged += OnDropDownFocusChanged;
DropDownPopup.UpdateVisualStates += OnDropDownPopupUpdateVisualStates;
}
SelectionAdapter = GetSelectionAdapterPart();
TextBox = GetTemplateChild(AutoCompleteBox.ElementTextBox) as TextBox;
if (TextBox != null)
{
#if SILVERLIGHT
#if WINDOWS_PHONE
TextBox.AddHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnUIElementKeyDown), true);
TextBox.AddHandler(UIElement.KeyUpEvent, new KeyEventHandler(OnUIElementKeyUp), true);
#else
TextBox.AddHandler(TextBox.TextInputStartEvent, new TextCompositionEventHandler(OnTextBoxTextInputStart), true);
TextBox.AddHandler(TextBox.TextInputEvent, new TextCompositionEventHandler(OnTextBoxTextInput), true);
#endif
#else
TextBox.PreviewKeyDown += OnTextBoxPreviewKeyDown;
#endif
}
Interaction.OnApplyTemplateBase();
// If the drop down property indicates that the popup is open,
// flip its value to invoke the changed handler.
if (IsDropDownOpen && DropDownPopup != null && !DropDownPopup.IsOpen)
{
OpeningDropDown(false);
}
}
