public static ObservableCollection <ShopCategory> CreateShop()
{
ObservableCollection <ShopCategory> list = new ObservableCollection <ShopCategory>();
ShopCategory books = new ShopCategory("Books");
ShopCategory movies = new ShopCategory("Movies");
ShopCategory music = new ShopCategory("Music");
//root categories
list.Add(books);
list.Add(movies);
list.Add(music);
//2nd level items on all categories
books.SubCategories.Add(new ShopCategory("Fiction", books));
books.SubCategories.Add(new ShopCategory("Travel", books));
books.SubCategories.Add(new ShopCategory("Politics", books));
movies.SubCategories.Add(new ShopCategory("Action", movies));
movies.SubCategories.Add(new ShopCategory("Fantasy", movies));
movies.SubCategories.Add(new ShopCategory("Romance", movies));
movies.SubCategories.Add(new ShopCategory("Horror", movies));
music.SubCategories.Add(new ShopCategory("Pop", music));
music.SubCategories.Add(new ShopCategory("Techno", music));
music.SubCategories.Add(new ShopCategory("Classical", music));
music.SubCategories.Add(new ShopCategory("Ethno", music));
ShopCategory rock = new ShopCategory("Rock", music);
music.SubCategories.Add(rock);
//get 3rd level on rock
rock.SubCategories.Add(new ShopCategory("Alternative", rock));
rock.SubCategories.Add(new ShopCategory("Metal", rock));
rock.SubCategories.Add(new ShopCategory("Industrial Rock", rock));
return(list);
}
public ShopCategory TryFindCategoryByName(ShopCategory parent, string categoryName)
{
ObservableCollection <ShopCategory> cats;
cats = parent == null ? categories : parent.SubCategories;
foreach (ShopCategory category in cats)
{
if (category.CategoryName == categoryName)
{
return(category);
}
else
{
ShopCategory cat = TryFindCategoryByName(category, categoryName);
if (cat != null)
{
return(cat);
}
}
}
return(null);
}
/// <summary>
/// Creates a category for a given parent. This sets the
/// <see cref="ParentCategory"/> reference, but does not
/// automatically add the category to the parent's
/// <see cref="SubCategories"/> collection.
/// </summary>
/// <param name="categoryName">The category's name.</param>
/// <param name="parentCategory">The parent category, if any.</param>
public ShopCategory(string categoryName, ShopCategory parentCategory)
{
this.categoryName = categoryName;
this.parentCategory = parentCategory;
}