private void Save()
{
if (_dishesCollection.Any(d => d.Title.ToLower() == Title.ToLower()))
{
MessageBox.Show("Блюдо с таким именем уже существует");
}
else
{
if (!String.IsNullOrEmpty(NewTag))
{
AddTag();
}
if (!String.IsNullOrEmpty(NewIngredient))
{
AddIngredient();
}
_dishesCollection.Add(_currentDish);
_currentDish = new Dish();
Tags = new LazyObservableCollection <Tag>(_currentDish.Tags);
Ingredients = new LazyObservableCollection <Ingredient>(_currentDish.Ingredients);
InvokePropertyChanged(nameof(Title));
NewIngredient = String.Empty;
InvokePropertyChanged(nameof(Ingredients));
NewTag = String.Empty;
InvokePropertyChanged(nameof(Tags));
InvokePropertyChanged(nameof(IsCanSave));
}
}
public static ListViewAdapter <T> Build(ListView list, LazyObservableCollection <T> lazyObservableCollection, Func <T, View> getView, LayoutInflater layoutInflater)
{
var adapter = new ListViewAdapter <T>(list, lazyObservableCollection, getView, layoutInflater);
#pragma warning disable 4014
lazyObservableCollection.LoadItemsAsync();
#pragma warning restore 4014
return(adapter);
}
private ListViewAdapter(ListView list, LazyObservableCollection <T> lazyObservableCollection, Func <T, View> getView, LayoutInflater layoutInflater)
{
this.list = list;
this.lazyObservableCollection = lazyObservableCollection;
this.getView = getView;
this.footerView = layoutInflater.Inflate(Resource.Layout.ListViewBusyIndicatorFooter, null);
list.Adapter = this.lazyObservableCollection.GetAdapter(this.GetAdapter);
this.InitializeCollection(this.lazyObservableCollection);
}
protected TreeViewItemViewModel(
IStandarImageSourceFactory imageSourceFactory,
TreeViewItemViewModel parentViewModel,
bool lazyLoadChildren) {
_imageSourceFactory = imageSourceFactory;
_parentViewModel = parentViewModel;
_children = new LazyObservableCollection<TreeViewItemViewModel>(HardCodedSettings.MaxExpandedTreeViewItemCount,
CreateLazyItemViewModel);
if (lazyLoadChildren)
_children.Add(DummyChild);
}
protected TreeViewItemViewModel(
IStandarImageSourceFactory imageSourceFactory,
TreeViewItemViewModel parentViewModel,
bool lazyLoadChildren)
{
_imageSourceFactory = imageSourceFactory;
_parentViewModel = parentViewModel;
_children = new LazyObservableCollection<TreeViewItemViewModel>(_initialItemCountLimit,
CreateLazyItemViewModel);
if (lazyLoadChildren)
_children.Add(_dummyChild);
}
protected TreeViewItemViewModel(
IStandarImageSourceFactory imageSourceFactory,
TreeViewItemViewModel parentViewModel,
bool lazyLoadChildren)
{
_imageSourceFactory = imageSourceFactory;
_parentViewModel = parentViewModel;
_children = new LazyObservableCollection <TreeViewItemViewModel>(HardCodedSettings.MaxExpandedTreeViewItemCount,
CreateLazyItemViewModel);
if (lazyLoadChildren)
{
_children.Add(DummyChild);
}
}
public DishCreatorViewModel(ObservableCollection <Dish> dishesCollection, ObservableCollection <Tag> tags, ObservableCollection <Ingredient> ingredients)
{
_dishesCollection = dishesCollection;
AllTags = tags;
AllIngredients = ingredients;
_currentDish = new Dish();
AddIngredientCommand = new DelegateCommand(o => AddIngredient());
AddTagCommand = new DelegateCommand(o => AddTag());
SaveCommand = new DelegateCommand(o => Save());
RemoveIngredientCommand = new DelegateCommand(o => RemoveIngredient(o as Ingredient));
RemoveTagCommand = new DelegateCommand(o => RemoveTag(o as Tag));
Tags = new LazyObservableCollection <Tag>(_currentDish.Tags);
Ingredients = new LazyObservableCollection <Ingredient>(_currentDish.Ingredients);
}
protected TreeViewItemViewModel(
IStandarImageSourceFactory imageSourceFactory,
TreeViewItemViewModel parentViewModel,
bool lazyLoadChildren)
{
_imageSourceFactory = imageSourceFactory;
_parentViewModel = parentViewModel;
_children = new LazyObservableCollection <TreeViewItemViewModel>(_initialItemCountLimit,
CreateLazyItemViewModel);
if (lazyLoadChildren)
{
_children.Add(_dummyChild);
}
}
