public void AddList()
{
var list = new TodoList()
{
Title = "New List"
};
var item = new TodoItem()
{
Title = "New Item"
};
list.Items.Add(item);
lists.Add(list);
CurrentList = list;
CurrentItem = item;
}
/// <summary>
/// Loads all lists.
/// </summary>
/// <param name="useCache">
/// <c>true</c> if the cache should be used when available; otherwise false.
/// </param>
/// <returns>
/// A <see cref="Task"/> that yields the result of the operation.
/// </returns>
public async Task<ObservableCollection<TodoList>> LoadListsAsync(bool useCache = true)
{
// If cache loaded and cache okay, just return it
if ((useCache) && (cache != null))
{
return cache;
}
// Either no cache or cache not allowed
// Try to load from disk
cache = await FileHelper.ReadFileAsync<ObservableCollection<TodoList>>(ListFileName, FileHelper.StorageStrategies.Roaming);
// If still null, that means the file doesn't exist. Create a new list.
if (cache == null)
{
var defaultList = new TodoList()
{
Title = "New List"
};
var defaultItem = new TodoItem()
{
Title = "New Item"
};
defaultList.Items.Add(defaultItem);
cache = new ObservableCollection<TodoList>()
{
defaultList
};
}
/*
cache = new ObservableCollection<TodoList>()
{
new TodoList()
{
Title = "Groceries",
Items = new ObservableCollection<TodoItem>()
{
new TodoItem() { Title = "Item A" },
new TodoItem() { Title = "Item B" },
new TodoItem() { Title = "Item C" },
new TodoItem() { Title = "Item D" },
}
},
new TodoList()
{
Title = "Home Supplies",
Items = new ObservableCollection<TodoItem>()
{
new TodoItem() { Title = "Item A" },
new TodoItem() { Title = "Item B" },
new TodoItem() { Title = "Item C" },
new TodoItem() { Title = "Item D" },
}
},
};
*/
return cache;
}
public void AddItem()
{
if (currentList != null)
{
var item = new TodoItem()
{
Title = "New Item"
};
currentList.Items.Insert(0, item);
CurrentItem = item;
}
}
