private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RibbonContextMenu contextMenu = (RibbonContextMenu)d;
if (!(bool)(e.NewValue))
{
if (!contextMenu._ignoreDismissPopupsOnNextClose)
{
UIElement dismissPopupSource = contextMenu.GetDismissPopupSource();
if (CanRaiseDismissPopups(dismissPopupSource))
{
// Raise DismissPopup on owner if can raise and if
// was not asked to ignore.
dismissPopupSource.RaiseEvent(new RibbonDismissPopupEventArgs(RibbonDismissPopupMode.Always));
((Ribbon)(RibbonControlService.GetRibbon(dismissPopupSource))).RestoreFocusOnContextMenuClose();
}
}
else
{
contextMenu.RestoreFocusToRibbon();
contextMenu._ignoreDismissPopupsOnNextClose = false;
}
}
else
{
contextMenu._ignoreDismissPopupsOnNextClose = false;
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
DependencyObject d = value as DependencyObject;
if (d != null)
{
Ribbon ribbon = RibbonControlService.GetRibbon(d);
if (ribbon != null &&
!ribbon.ShowQuickAccessToolBarOnTop)
{
if (_mode == ConverterMode.Header)
{
return(ShowQATAboveText);
}
else
{
return(RibbonCommands.ShowQuickAccessToolBarAboveRibbonCommand);
}
}
}
if (_mode == ConverterMode.Header)
{
return(ShowQATBelowText);
}
else
{
return(RibbonCommands.ShowQuickAccessToolBarBelowRibbonCommand);
}
}
internal static RibbonContextMenu ChooseContextMenu(DependencyObject owner)
{
if (owner is Ribbon)
{
return(GetDefaultRibbonClientAreaContextMenu());
}
else if (RibbonControlService.GetCanAddToQuickAccessToolBarDirectly(owner))
{
if (owner is RibbonGallery)
{
return(GetGalleryContextMenu());
}
else
{
if (RibbonControlService.GetIsInQuickAccessToolBar(owner))
{
return(GetQATControlContextMenu());
}
else
{
return(GetRibbonControlContextMenu());
}
}
}
return(null);
}
/// <summary>
/// Tries to restore focus to the first focusable element across
/// the ancestor chain of ContextMenuOriginalSource. Should
/// be called only when Ribbon is supposed to retain the focus.
/// </summary>
private void RestoreFocusToRibbon()
{
DependencyObject current = GetDismissPopupSource();
if (current == null)
{
return;
}
Ribbon ribbon = RibbonControlService.GetRibbon(current);
if (ribbon == null)
{
return;
}
while (current != null)
{
UIElement uie = current as UIElement;
if (uie != null && uie.Focusable)
{
uie.Dispatcher.BeginInvoke(
(Action) delegate()
{
if (!ribbon.IsKeyboardFocusWithin)
{
uie.Focus();
}
},
DispatcherPriority.Input,
null);
break;
}
current = TreeHelper.GetParent(current);
}
}
private static object CoerceDefaultControlSizeDefinition(DependencyObject d, object baseValue)
{
if (baseValue == null)
{
RibbonControlGroup controlGroup = (RibbonControlGroup)d;
RibbonImageSize imageSize = RibbonImageSize.Collapsed;
bool isLabelVisible = false;
int itemCount = controlGroup.Items.Count;
bool childFound = false;
// Get the largest ControlSizeDefinition variant for all
// the child controls and construct a union ControlSizeDefinition.
for (int i = 0; i < itemCount; i++)
{
RibbonControl ribbonControl = controlGroup.ItemContainerGenerator.ContainerFromIndex(i) as RibbonControl;
if (ribbonControl != null && ribbonControl.Visibility != Visibility.Collapsed)
{
UIElement contentChild = ribbonControl.ContentChild;
if (contentChild != null && contentChild.Visibility != Visibility.Collapsed)
{
RibbonControlSizeDefinition currentLargeCsd = RibbonControlService.GetDefaultControlSizeDefinition(contentChild);
if (currentLargeCsd == null)
{
contentChild.CoerceValue(RibbonControlService.DefaultControlSizeDefinitionProperty);
currentLargeCsd = RibbonControlService.GetDefaultControlSizeDefinition(contentChild);
}
if (currentLargeCsd != null)
{
childFound = true;
if (imageSize == RibbonImageSize.Collapsed)
{
imageSize = currentLargeCsd.ImageSize;
}
else if (currentLargeCsd.ImageSize == RibbonImageSize.Large)
{
imageSize = RibbonImageSize.Large;
}
isLabelVisible |= currentLargeCsd.IsLabelVisible;
if (isLabelVisible && imageSize == RibbonImageSize.Large)
{
break;
}
}
}
}
}
if (childFound)
{
return(RibbonControlSizeDefinition.GetFrozenControlSizeDefinition(imageSize, isLabelVisible));
}
}
return(baseValue);
}
private static object CoerceControlSizeDefinition(DependencyObject d, object baseValue)
{
if (baseValue == null)
{
RibbonControlSizeDefinition defaultControlSizeDefinition = RibbonControlService.GetDefaultControlSizeDefinition(d);
if (defaultControlSizeDefinition == null)
{
d.CoerceValue(DefaultControlSizeDefinitionProperty);
defaultControlSizeDefinition = RibbonControlService.GetDefaultControlSizeDefinition(d);
}
return(defaultControlSizeDefinition);
}
return(baseValue);
}
/// <summary>
/// Property changed callback for tooltip PlacementTarget property.
/// </summary>
private static void OnPlacementTargetPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RibbonToolTip ribbonToolTip = (RibbonToolTip)d;
UIElement target = e.NewValue as UIElement;
if (target == null)
{
ribbonToolTip.Ribbon = null;
}
else
{
ribbonToolTip.Ribbon = RibbonControlService.GetRibbon(target);
}
}
private static void UpdateDefaultControlSizeDefinition(DependencyObject d)
{
d.CoerceValue(DefaultControlSizeDefinitionProperty);
// If the element belongs to a ControlGroup, then
// coerce DefaultControlSizeDefinition for the ControlGroup too.
if (RibbonControlService.GetIsInControlGroup(d))
{
RibbonControlGroup controlGroup = TreeHelper.FindVisualAncestor <RibbonControlGroup>(d);
if (controlGroup != null)
{
controlGroup.CoerceValue(DefaultControlSizeDefinitionProperty);
}
}
}
// Determine whether the QAT contains an element with the given QAT ID.
internal bool ContainsId(object targetID)
{
foreach (object o in this.Items)
{
DependencyObject dependencyObject = o as DependencyObject;
if (dependencyObject != null)
{
object currentID = RibbonControlService.GetQuickAccessToolBarId(dependencyObject);
if (object.Equals(currentID, targetID))
{
return(true);
}
}
}
return(false);
}
private void TransferPseudoInheritedProperties()
{
if (_templateRoot != null)
{
// Ribbon is an inherited property. In non-MVVM scenarios where
// controls are directly added under RibbonGroup in XAML, RibbonGroup
// is the logical parent of those controls and they get the value
// of RibbonParent set from their logical parent. When a RibbonGroup
// get collapsed and its template changes, due to a bug in framework
// the inheritance value of those controls is lost during visual tree
// change and never again gets updated. The workaround is to set the
// local value on those controls from RibbonContentPresenter which
// would be their visual parent. This works because Ribbon property is
// readonly.
RibbonControlService.SetRibbon(_templateRoot, RibbonControlService.GetRibbon(this));
RibbonHelper.TransferPseudoInheritedProperties(this, _templateRoot);
}
}
private static object CoerceDefaultControlSizeDefinition(DependencyObject d, object baseValue)
{
if (baseValue == null)
{
RibbonImageSize imageSize = RibbonImageSize.Collapsed;
if (RibbonControlService.GetLargeImageSource(d) != null)
{
imageSize = RibbonImageSize.Large;
}
else if (RibbonControlService.GetSmallImageSource(d) != null)
{
imageSize = RibbonImageSize.Small;
}
bool isLabelVisible = !string.IsNullOrEmpty(RibbonControlService.GetLabel(d));
return(RibbonControlSizeDefinition.GetFrozenControlSizeDefinition(imageSize, isLabelVisible));
}
return(baseValue);
}
private static bool CanRaiseDismissPopups(UIElement dismissPopupSource)
{
// Contextmenu raises DismissPopup event on the source only
// if it is in a popup and is in a Ribbon.
if (dismissPopupSource == null ||
RibbonControlService.GetRibbon(dismissPopupSource) == null)
{
return(false);
}
Popup ancestorPopup = TreeHelper.FindAncestor(dismissPopupSource, delegate(DependencyObject element) { return(element is Popup); }) as Popup;
if (ancestorPopup == null ||
!ancestorPopup.IsOpen)
{
return(false);
}
return(true);
}
/// <summary>
/// Helper method which scrolls item at given index into view.
/// Can be used as a dispatcher operation.
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
private object ScrollContainerIntoView(object arg)
{
int index = (int)arg;
FrameworkElement element = ItemContainerGenerator.ContainerFromIndex(index) as FrameworkElement;
if (element != null)
{
element.BringIntoView();
// If there is a margin on TabHeader on the end, BringIntoView call
// may not scroll to the end. Explicitly scroll to end in such cases.
IScrollInfo scrollInfo = InternalItemsHost as IScrollInfo;
if (scrollInfo != null)
{
ScrollViewer scrollViewer = scrollInfo.ScrollOwner;
if (scrollViewer != null)
{
Ribbon ribbon = RibbonControlService.GetRibbon(this);
if (ribbon != null)
{
int displayIndex = ribbon.GetTabDisplayIndexForIndex(index);
if (displayIndex == 0)
{
// If this tab header is the first tab header displayed
// then scroll to the left end.
scrollViewer.ScrollToLeftEnd();
}
else if (ribbon.GetTabIndexForDisplayIndex(displayIndex + 1) < 0)
{
// If this tab header is the last tab header displayed
// then scroll to the right end.
scrollViewer.ScrollToRightEnd();
}
}
}
}
}
return(null);
}
private UIElement GetDismissPopupSource()
{
UIElement placementTarget = PlacementTarget;
if (placementTarget == null)
{
return(null);
}
Ribbon ribbon = RibbonControlService.GetRibbon(placementTarget);
if (ribbon == null)
{
return(null);
}
// The original source for corresponding ContextMenuOpening will
// be the original source for DismissPopup event.
UIElement returnValue = ribbon.ContextMenuOriginalSource;
if (returnValue == null)
{
returnValue = placementTarget;
}
return(returnValue);
}
