internal static uint SetItemsVisibleWhere(this IToolboxCategory category, Func <IToolboxItem, bool> func)
{
if (!category.HasItems)
{
return(0);
}
uint count = 0;
foreach (var categoryItem in category.Items)
{
if (!func(categoryItem))
{
categoryItem.IsEnabled = false;
categoryItem.IsVisible = false;
}
else
{
count++;
categoryItem.IsVisible = true;
}
}
if (count > 0)
{
category.IsExpanded = true;
}
category.InvalidateState();
return(count);
}
public void InsertCategory(int index, IToolboxCategory category, bool supressRefresh = false)
{
_stateProvider.ItemsSource.Insert(index, category);
if (!supressRefresh)
{
_toolbox.RefreshView();
}
}
public void AddCategory(IToolboxCategory category, bool suppressRefresh = false)
{
var index = _stateProvider.ItemsSource.Count;
if (ToolboxCategory.IsDefaultCategory(_stateProvider.ItemsSource.LastOrDefault()))
{
index--;
}
InsertCategory(index, category);
}
private void MoveCategoryUp(IToolboxCategory category)
{
if (category == null)
{
return;
}
var items = _service.GetToolboxItemSource();
var index = items.IndexOf(x => x.Equals(category));
_service.RemoveCategory(category, false, true);
_service.InsertCategory(index - 1, category);
_toolbox.SelectedNode = category;
}
public void RemoveCategory(IToolboxCategory category, bool cascading = true, bool supressRefresh = false)
{
if (_stateProvider.ItemsSource.Contains(category))
{
_stateProvider.ItemsSource.Remove(category);
}
if (cascading)
{
foreach (var item in category.Items.ToList())
{
category.RemoveItem(item);
}
}
if (!supressRefresh)
{
_toolbox.RefreshView();
}
}
private bool CheckCategoryUp(IToolboxCategory category)
{
var items = _service.GetToolboxItemSource().ToList();
if (!items.Contains(category))
{
return(false);
}
var index = items.IndexOf(category);
if (index <= 0)
{
return(false);
}
if (items.GetRange(0, index).Any(x => x.IsVisible))
{
return(true);
}
return(false);
}
public static bool IsDefaultCategory(IToolboxCategory category)
{
return(category.DataSource.Id.Equals(Guids.DefaultCategoryId));
}
