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 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);
}
}
}
public RibbonControlGroupAutomationPeer(RibbonControlGroup owner)
: base(owner)
{
}
private static void OnControlSizeDefinitionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RibbonControlGroup rcg = (RibbonControlGroup)d;
rcg.TransferPseudoInheritedProperties();
}
