/// <summary>
/// Creates or identifies the element that is used to display the given item.
/// </summary>
/// <param name="item">The item to get the container for.</param>
/// <param name="itemCollection">The parent's <see cref="ItemCollection"/>.</param>
/// <returns>The element that is used to display the given item.</returns>
protected virtual RadTabItem GetContainerForItem(object item, ItemCollection itemCollection)
{
if (itemCollection == null)
{
throw new ArgumentNullException("itemCollection");
}
RadTabItem container = item as RadTabItem;
if (container != null && ((bool)container.GetValue(IsGeneratedProperty)) == false)
{
return(container);
}
foreach (RadTabItem tabItem in itemCollection)
{
if ((bool)tabItem.GetValue(IsGeneratedProperty))
{
if (tabItem.Content == item)
{
return(tabItem);
}
}
}
return(null);
}
/// <summary>
/// Gets the item contained in the <see cref="RadTabItem"/>.
/// </summary>
/// <param name="tabItem">The container item.</param>
/// <returns>The item contained in the <paramref name="tabItem"/> if it was generated automatically by the behavior; otherwise <paramref name="tabItem"/>.</returns>
protected virtual object GetContainedItem(RadTabItem tabItem)
{
if (tabItem == null) throw new ArgumentNullException("tabItem");
if ((bool)tabItem.GetValue(IsGeneratedProperty))
{
return tabItem.Content;
}
return tabItem;
}
/// <summary>
/// Undoes the effects of the <see cref="PrepareContainerForItem"/> method.
/// </summary>
/// <param name="tabItem">The container element for the item.</param>
protected virtual void ClearContainerForItem(RadTabItem tabItem)
{
if (tabItem == null)
{
throw new ArgumentNullException("tabItem");
}
if (( bool )tabItem.GetValue(IsGeneratedProperty))
{
tabItem.Content = null;
}
}
/// <summary>
/// Gets the item contained in the <see cref="RadTabItem"/>.
/// </summary>
/// <param name="tabItem">The container item.</param>
/// <returns>The item contained in the <paramref name="tabItem"/> if it was generated automatically by the behavior; otherwise <paramref name="tabItem"/>.</returns>
protected virtual object GetContainedItem(RadTabItem tabItem)
{
if (tabItem == null)
{
throw new ArgumentNullException("tabItem");
}
if (( bool )tabItem.GetValue(IsGeneratedProperty))
{
return(tabItem.Content);
}
return(tabItem);
}
/// <summary>
/// Undoes the effects of the <see cref="PrepareContainerForItem"/> method.
/// </summary>
/// <param name="tabItem">The container element for the item.</param>
protected virtual void ClearContainerForItem(RadTabItem tabItem)
{
if (tabItem == null) throw new ArgumentNullException("tabItem");
if ((bool)tabItem.GetValue(IsGeneratedProperty))
{
tabItem.Content = null;
}
}
