private static void AddInitial(ObservableCollection <OrgRoleDTO> source, RoleSelector ms)
{
if (source != null && source.Count > 0)
{
MultiSelectItem <OrgRoleDTO> tempSelction = new MultiSelectItem <OrgRoleDTO>()
{
Items = new ObservableCollection <OrgRoleDTO>()
{
source.First()
},
CurrentItem = source.First()
};
if (source.First().ChildRoles.Count > 0)
{
ms.SetValue(SelectionListProperty, new ObservableCollection <MultiSelectItem <OrgRoleDTO> >()
{
tempSelction, new MultiSelectItem <OrgRoleDTO>()
{
IsButton = true
}
});;
}
else
{
ms.SetValue(SelectionListProperty, new ObservableCollection <MultiSelectItem <OrgRoleDTO> >()
{
tempSelction
});;
}
}
}
private static void AddCommandHandler(object sender, ExecutedRoutedEventArgs e)
{
RoleSelector ms = sender as RoleSelector;
ms.ExecuteSelctionChangedCallBack = false;
ObservableCollection <MultiSelectItem <OrgRoleDTO> > tempSelecItems = ms.GetValue(SelectionListProperty) as ObservableCollection <MultiSelectItem <OrgRoleDTO> >;
OrgRoleDTO LastItem = tempSelecItems[tempSelecItems.Count - 2].CurrentItem;
if (LastItem != null)
{
MultiSelectItem <OrgRoleDTO> tempSelction = new MultiSelectItem <OrgRoleDTO>()
{
Items = new ObservableCollection <OrgRoleDTO>(LastItem.ChildRoles),
CurrentItem = LastItem.ChildRoles.First()
};
tempSelecItems.Insert(tempSelecItems.Count - 1, tempSelction);
ms.SetValue(SelectionProperty, LastItem.ChildRoles.First());
if (tempSelction.CurrentItem.ChildRoles.Count == 0)
{
tempSelecItems.RemoveAt(tempSelecItems.Count - 1);
}
ms.SetValue(SelectionListProperty, tempSelecItems);
}
ms.ExecuteSelctionChangedCallBack = true;
}
public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (item == null)
{
return(null);
}
if (item is MultiSelectItem <OrgRoleDTO> )
{
MultiSelectItem <OrgRoleDTO> tempItem = item as MultiSelectItem <OrgRoleDTO>;
if (tempItem.IsButton)
{
return(AddButtonTemplate);
}
else
{
return(ItemsTemplate);
}
}
return(null);
}
