private void SetCategory (Category category)
{
CurrentCategory = category;
Name = CurrentCategory.Name;
if (CurrentCategory.ParentId != null) {
var parentCategory = App.Settings.Categories.GetCategoryById (CurrentCategory.ParentId.Value);
CanGoBack = true;
ParentName = parentCategory.Name;
} else {
CanGoBack = false;
}
if (SubCategories != null && SubCategories.Count != 0) {
foreach (var item in SubCategories) {
item.Deleted -= OnSubCategoryDeleted;
}
}
var categories = App.Settings.Categories.GetChildCategories (category.Id.Value);
SubCategories = new ObservableCollection<CategoryViewModel> (categories.Select (c => new CategoryViewModel (c)));
foreach (var item in SubCategories) {
item.Deleted += OnSubCategoryDeleted;
}
}
public SelectCategoryViewModel (Category category)
{
category = category ?? App.Settings.Categories.GetDefaultCategory ();
SetCategory (category);
AddSubCategoryCommand = new Command (AddSubCategoryExecute);
GoBackCommand = new Command (GoBackCommandExecute);
}
public CategoryViewModel (Category category)
{
Model = category;
DeleteCommand = new Command (DeleteCommandExecute);
}