public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (item == null) return null;
if(item is MyItemWrapper)
{
MyItemWrapper miw = item as MyItemWrapper;
if(miw.Value is bool)
{
return BoolTemplate;
}
else if (miw.Value is Enum)
{
return EnumTemplate;
}
else if (miw.Value is string)
{
return StringTemplate;
}
else if(miw.Value is double)
{
return DoubleTemplate;
}
else if (miw.Value is int)
{
return IntTemplate;
}
return StringTemplate;
}
return null;
}
public static MyItemWrapper Create(MyItem myItem)
{
Type valueType = myItem.Value.GetType();
if (valueType.IsEnum)
{
MyItemWrapper m = new MyItemWrapper(myItem);
m.Items = Enum.GetValues(valueType);
return(m);
}
else
{
return(new MyItemWrapper(myItem));
}
}
public MainWindowsViewModel(IEnumerable <MyItem> myItems)
{
MyItems = new ObservableCollection <MyItemWrapper>();
foreach (MyItem i in myItems)
{
MyItemWrapper iw = MyItemWrapperFactory.Create(i);
iw.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(MyItemWrapper.Value))
{
//se ho cambiato il valore, notifico la modifica di Modified
RaisePropertyChanged(nameof(Modified));
RaisePropertyChanged(nameof(Title));
SaveCommand.RaiseCanExecuteChanged();
AcceptChangesCommand.RaiseCanExecuteChanged();
RejectChangesCommand.RaiseCanExecuteChanged();
}
else if (e.PropertyName == nameof(MyItemWrapper.IsValueChanged))
{
RaisePropertyChanged(nameof(Modified));
RaisePropertyChanged(nameof(Title));
SaveCommand.RaiseCanExecuteChanged();
AcceptChangesCommand.RaiseCanExecuteChanged();
RejectChangesCommand.RaiseCanExecuteChanged();
}
};
MyItems.Add(iw);
}
//MyItems.Add(MyItemWrapperFactory.Create(MyItemWrapper.Element_Cognome, MyItemWrapper.Cat_2, 10));
//MyItems.Add(MyItemWrapperFactory.Create(MyItemWrapper.Element_Cognome, MyItemWrapper.Cat_2, 10));
//MyItems.Add(MyItemWrapperFactory.Create(MyItemWrapper.Element_Nome, MyItemWrapper.Cat_1, "Andrea"));
//MyItems.Add(MyItemWrapperFactory.CreateForEnum(MyItemWrapper.Element_Palla, MyItemWrapper.Cat_3, (int)ETipoPalla.Rugby, typeof(ETipoPalla)));
//MyItems.Add(MyItemWrapperFactory.CreateForEnum(MyItemWrapper.Element_Tavolo, MyItemWrapper.Cat_2, (int)ETipoTavolo.Pentagonale, typeof(ETipoTavolo)));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Cognome, Category = MyItemWrapper.Cat_2, Value = 10 }));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Nome, Category = MyItemWrapper.Cat_1, Value = "Andrea" }));
//MyItems.Add(enumItem1);
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Telefono, Category = MyItemWrapper.Cat_3, Value = true }));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Vetro, Category = MyItemWrapper.Cat_4, Value = "Bicchiere" }));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Ciao, Category = MyItemWrapper.Cat_3, Value = 12.5d }));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Perche, Category = MyItemWrapper.Cat_2, Value = 17.4d }));
//MyItems.Add(enumItem2);
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Porta, Category = MyItemWrapper.Cat_2, Value = "A soffietto" }));
//MyItems.Add(new MyItemWrapper(new MyItem() { Code = MyItemWrapper.Element_Benzina, Category = MyItemWrapper.Cat_2, Value = "Diesel 75 ottani"}));
//COMANDI
SaveCommand = new RelayCommand(Save, CanSave);
AcceptChangesCommand = new RelayCommand(AcceptChanges, CanAcceptChanges);
RejectChangesCommand = new RelayCommand(RejectChanges, CanRejectChanges);
// Collection which will take your ObservableCollection
var _itemSourceList = new CollectionViewSource()
{
Source = MyItems
};
GroupDescription gd = new PropertyGroupDescription("CategoryDescription");
_itemSourceList.GroupDescriptions.Add(gd);
// ICollectionView the View/UI part
MyCollectionView = _itemSourceList.View;
// your Filter
var yourCostumFilter = new Predicate <object>(ComplexFilter);
//now we add our Filter
MyCollectionView.Filter = yourCostumFilter;
ChangeLanguageCommand = new RelayCommand <string>(ChangeLanguage);
SetLanguage("it-IT");
}
