public static void SelectAll(this CategoryViewModelCollection categories, bool isSelected)
{
foreach (var category in categories.GetDescendants())
{
category.IsSelected = isSelected;
}
}
public static void ExpandAllMain(this CategoryViewModelCollection categories, bool isExpanded)
{
foreach (var category in categories.GetDescendants())
{
category.IsExpandedMainView = isExpanded;
}
}
public static void ExpandMainViewToDescendant(this CategoryViewModelCollection categories, CategoryViewModel item, bool isExpanded)
{
// update parent nodes
var tmp = item;
while (tmp.HasParent)
{
var parent = categories.GetDescendants().FirstOrDefault(_ => _.Id == tmp.ParentCategoryId.Value);
parent.IsExpandedMainView = isExpanded;
tmp = parent;
}
}
public static void SelectBranch(this CategoryViewModelCollection categories, CategoryViewModel item, bool isSelected)
{
void SelectAll(CategoryViewModel category)
{
category.IsSelected = isSelected;
foreach (var child in category.Children)
{
SelectAll(child);
}
};
SelectAll(item);
}
public CategoryDetailsView(ICategoryService service, CategoryModel entity, bool isNew, CategoryViewModelCollection categories)
: base(service, entity, isNew)
{
InitializeComponent();
// init categories
var cats = new CategoryViewModelCollection(categories);
ParentCategorySelector.Categories = cats;
// set header and commands panel context
LabelHeader.Content = ViewHeader;
CommandsPanel.DataContext = Commands;
}
public static CategoryViewModelCollection BuildTree(IEnumerable <CategoryModel> categories, bool insertEmpty = false)
{
var result = new CategoryViewModelCollection();
foreach (var category in categories.Where(_ => !_.ParentCategoryId.HasValue))
{
result.Add(BuildCategoryBranch(categories, category));
}
if (insertEmpty)
{
result.Insert(0, new CategoryViewModel()
{
Id = -1,
Name = MultiLangResourceManager.Instance[MultiLangResourceName.None]
});
}
return(result);
}
