// As InRibbonGallery switches modes from RibbonGallery being inside Ribbon or in Popup, the Visual parents needs to be changed.
// and Visual properties of some Visuals needs to be coerced.
private void PrivateManageRibbonGalleryVisualParent()
{
CoerceVisibilityPropertiesOnRibbonGallery();
if (IsInInRibbonMode)
{
if (_firstGallery != null)
{
if (_itemsPresenter != null)
{
RibbonMenuItemsPanel panel = (VisualTreeHelper.GetChildrenCount(_itemsPresenter) > 0 ? VisualTreeHelper.GetChild(_itemsPresenter, 0) : null) as RibbonMenuItemsPanel;
if (panel != null)
{
panel.RemoveFirstGallery(this);
}
}
if (_contentPresenter != null)
{
_contentPresenter.Content = _firstGallery;
}
}
}
else
{
// Removes _firstGallery from ContentPresenter and add it to the ItemsPresenter
if (_contentPresenter != null)
{
_contentPresenter.Content = null;
}
if (_itemsPresenter != null)
{
if (VisualTreeHelper.GetChildrenCount(_itemsPresenter) > 0)
{
RibbonMenuItemsPanel panel = VisualTreeHelper.GetChild(_itemsPresenter, 0) as RibbonMenuItemsPanel;
if (panel != null && _firstGallery != null)
{
panel.ReInsertFirstGallery(this);
}
}
}
}
}
public static Size GetMinDropDownSize(RibbonMenuItemsPanel itemsHost, Popup popup, Thickness borderThickness)
{
Size minSize = new Size();
if (itemsHost != null)
{
minSize = itemsHost.CachedAutoSize;
if (popup != null)
{
FrameworkElement popupChild = popup.Child as FrameworkElement;
if (popupChild != null && DoubleUtil.GreaterThan(popupChild.MinWidth, minSize.Width))
{
// MenuButton's BorderThickness around the ItemsPresenter
minSize.Width = popupChild.MinWidth - (borderThickness.Left + borderThickness.Right);
}
}
}
return(minSize);
}
