protected override DependencyObject GetContainerForItemOverride()
{
object currentItem = _currentItem;
_currentItem = null;
if (UsesItemContainerTemplate)
{
DataTemplate itemContainerTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, this);
if (itemContainerTemplate != null)
{
object itemContainer = itemContainerTemplate.LoadContent();
if (itemContainer is RibbonApplicationMenuItem || itemContainer is RibbonApplicationSplitMenuItem || itemContainer is RibbonSeparator || itemContainer is RibbonGallery)
{
return(itemContainer as DependencyObject);
}
else
{
throw new InvalidOperationException(Microsoft.Windows.Controls.SR.Get(Microsoft.Windows.Controls.SRID.InvalidApplicationMenuOrItemContainer, this.GetType().Name, itemContainer));
}
}
}
return(new RibbonApplicationMenuItem());
}
protected override DependencyObject GetContainerForItemOverride()
{
object currentItem = _currentItem;
_currentItem = null;
if (UsesItemContainerTemplate)
{
DataTemplate itemContainerTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, this);
if (itemContainerTemplate != null)
{
object itemContainer = itemContainerTemplate.LoadContent();
if (itemContainer is MenuItem || itemContainer is Separator)
{
return(itemContainer as DependencyObject);
}
else
{
throw new InvalidOperationException(SR.Get(SRID.InvalidItemContainer, this.GetType().Name, typeof(MenuItem).Name, typeof(Separator).Name, itemContainer));
}
}
}
return(new MenuItem());
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override DependencyObject GetContainerForItemOverride()
{
var currentItem = _currentItem;
_currentItem = (object)null;
if (UsesItemContainerTemplate)
{
var dataTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, (ItemsControl)this);
if (dataTemplate != null)
{
var obj = (object)dataTemplate.LoadContent();
switch (obj)
{
case RibbonMenuItem _:
case RibbonGallery _:
case RibbonSeparator _:
return(obj as DependencyObject);
default:
throw new InvalidOperationException("Invalid container");
}
}
}
return((DependencyObject) new RibbonMenuItem());
}
protected override DependencyObject GetContainerForItemOverride()
{
var currentItem = _currentItem;
_currentItem = null;
if (UsesItemContainerTemplate)
{
var dataTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, this);
if (dataTemplate == null)
{
return(new RibbonMenuItem());
}
object templateContent = dataTemplate.LoadContent();
if (templateContent is MenuItem item)
{
return(item);
}
throw new InvalidOperationException("InvalidApplicationMenuOrItemContainer");
}
if (currentItem is IIsSeparatorAware isSeparatorAware && isSeparatorAware.IsSeparator)
{
return(new RibbonSeparator());
}
return(new RibbonMenuItem());
}
protected override DependencyObject GetContainerForItemOverride()
{
var currentItem = _currentItem;
_currentItem = null;
if (UsesItemContainerTemplate)
{
var dataTemplate = ItemContainerTemplateSelector.SelectTemplate(currentItem, this);
if (dataTemplate == null)
{
return(new RibbonMenuItem());
}
object templateContent = dataTemplate.LoadContent();
if (templateContent is System.Windows.Controls.Ribbon.RibbonMenuItem ||
templateContent is System.Windows.Controls.Ribbon.RibbonSeparator ||
templateContent is RibbonGallery)
{
return((DependencyObject)templateContent);
}
throw new InvalidOperationException("InvalidApplicationMenuOrItemContainer");
}
return(new RibbonMenuItem());
}
/// <summary>
/// Create menu item container
/// </summary>
protected virtual View CreateItemContainer(object model)
{
View item = null;
if (ItemContainerTemplateSelector != null)
{
DataTemplate containerTemplate = ItemContainerTemplateSelector.SelectTemplate(model, null) as DataTemplate;
item = containerTemplate.CreateContent() as View;
}
else if (ItemContainerTemplate != null)
{
item = ItemContainerTemplate.CreateContent() as View;
}
else
{
item = new ContentView();
}
if (item == null)
{
throw new Exception("ItemContainerTemplate is not subclass of ContentView");
}
item.BindingContext = model;
return(item);
}
public static T ItemContainerTemplateSelector <T>(this T source, ItemContainerTemplateSelector value) where T : MenuBase
{
source.ItemContainerTemplateSelector = value;
return(source);
}
