public void MoveItemsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
FilteredReadOnlyObservableCollection <int> frooc = new FilteredReadOnlyObservableCollection <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 5);
//[2 4 6 8 10]
observableCollection.Move(1, 7);
//[4 6 8 2 10]
observableCollection.Move(3, 5);
//[4 6 8 2 10]
observableCollection.Move(3, 2);
//[6 4 8 2 10]
int[] a = new[] { 6, 4, 8, 2, 10 };
var iterator = frooc.GetEnumerator();
int j = 0;
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, a[j]);
j++;
}
Assert.AreEqual(frooc.Count, 5);
}
public void DeleteItemsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
FilteredReadOnlyObservableCollection <int> frooc = new FilteredReadOnlyObservableCollection <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 5);
observableCollection.Remove(3);
observableCollection.RemoveAt(1);
observableCollection.Remove(9);
int item = 4;
var iterator = frooc.GetEnumerator();
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, item);
item += 2;
}
Assert.AreEqual(item, 12);
Assert.AreEqual(frooc.Count, 4);
}
public void AddItemsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
FilteredReadOnlyObservableCollection <int> frooc = new FilteredReadOnlyObservableCollection <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 5);
(rool as INotifyCollectionChanged).CollectionChanged += (sender, args) =>
{
Console.WriteLine("F**K");
};
observableCollection.Add(11);
observableCollection.Add(12);
observableCollection.Add(14);
observableCollection.Insert(12, 13);
int item = 2;
var iterator = frooc.GetEnumerator();
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, item);
item += 2;
}
Assert.AreEqual(item, 16);
Assert.AreEqual(frooc.Count, 7);
}
public ExtensionsViewModel(Dispatcher dispatcher)
{
_dispatcher = dispatcher;
_extensions = new ObservableCollection <LoaderExtension>();
Extensions = FilteredReadOnlyObservableCollection.Create(_extensions,
ext => ext.Items.OfType <LoaderConfiguratorType>().Any(),
ext => ext.Description);
_bridge = new WeakEventBridge();
_bridge.Bind(typeof(Loader), "LoadComplete", WeakEventBridge.AsDelegate <EventArgs>(OnLoaderLoadComplete));
UpdateExtensions();
}
public ColumnConfigurationViewModel(string configurationName, ObservableCollection <FieldMapperGridColumn> columns)
: base(typeof(ColumnConfigurationViewModel))
{
ConfigurationName = configurationName;
Columns = columns;
_selectedColumns = new FilteredReadOnlyObservableCollection <FieldMapperGridColumn>(columns, (x) => x.Visible);
_availableColumns = new FilteredReadOnlyObservableCollection <FieldMapperGridColumn>(columns, (x) => !x.Visible);
ShowColumnCommand = new RelayCommand((o) => ShowColumn(), (o) => SelectedInvisibleColumn != null);
HideColumnCommand = new RelayCommand((o) => HideColumn(), (o) => SelectedVisibleColumn != null);
OKCommand = new RelayCommand((o) => OK());
MoveSelectedUpCommand = new RelayCommand((o) => MoveSelectedUp(), (o) => SelectedVisibleColumn != null && SelectedVisibleColumn != SelectedColumns.FirstOrDefault());
MoveSelectedDownCommand = new RelayCommand((o) => MoveSelectedDown(), (o) => SelectedVisibleColumn != null && SelectedVisibleColumn != SelectedColumns.LastOrDefault());
MoveAvailableUpCommand = new RelayCommand((o) => MoveAvailableUp(), (o) => SelectedInvisibleColumn != null && SelectedInvisibleColumn != AvailableColumns.FirstOrDefault());
MoveAvailableDownCommand = new RelayCommand((o) => MoveAvailableDown(), (o) => SelectedInvisibleColumn != null && SelectedInvisibleColumn != AvailableColumns.LastOrDefault());
}
public void OperationsTest()
{
var observableCollection = new ObservableCollection <int>(new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
});
var rool = new ReadOnlyObservableList <int>(observableCollection);
FilteredReadOnlyObservableCollection <int> frooc = new FilteredReadOnlyObservableCollection <int>(rool, i => i % 2 == 0);
Assert.AreEqual(frooc.Count, 10);
//[2 4 6 8 10 12 14 16 18 20]
observableCollection.Remove(4);
//[2 6 8 10 12 14 16 18 20]
observableCollection.Move(6, 13);
//[2 6 10 12 14 8 16 18 20]
observableCollection.Add(22);
//[2 6 10 12 14 8 16 18 20 22]
observableCollection.Insert(3, 4);
//[2 4 6 10 12 14 8 16 18 20 22]
observableCollection.RemoveAt(20);
//[2 4 6 10 12 14 8 16 18 20]
observableCollection[0] = 24;
//[24 2 4 6 10 12 14 8 16 18 20]
int[] a = new[] { 24, 2, 4, 6, 10, 12, 14, 8, 16, 18, 20 };
var iterator = frooc.GetEnumerator();
int j = 0;
while (iterator.MoveNext())
{
Assert.AreEqual(iterator.Current, a[j]);
j++;
}
Assert.AreEqual(frooc.Count, a.Length);
}
public void ObservableFilterTest()
{
var collection = new List <Observable>()
{
new Observable(), new Observable(), new Observable(), new Observable()
};
var observableCollection = new ObservableCollection <Observable>(collection);
observableCollection[0].Prop = 1;
observableCollection[1].Prop = 2;
observableCollection[2].Prop = 3;
observableCollection[3].Prop = 4;
var rool = new ReadOnlyObservableList <Observable>(observableCollection);
FilteredReadOnlyObservableCollection <Observable> frooc = new FilteredReadOnlyObservableCollection <Observable>(rool, notify => notify.Subject.Select(x => x % 2 == 0));
Assert.AreEqual(frooc.Count, 2);
int i = 0;
foreach (var result in frooc.Zip(collection.Where(c => c.Prop % 2 == 0), (actual, expected) => new { actual, expected }))
{
Assert.AreEqual(result.expected, result.actual);
i++;
}
Assert.AreEqual(i, 2);
observableCollection[1].Prop = 5;
Assert.AreEqual(frooc.Count, 1);
i = 0;
foreach (var result in frooc.Zip(collection.Where(c => c.Prop % 2 == 0), (actual, expected) => new { actual, expected }))
{
Assert.AreEqual(result.expected, result.actual);
i++;
}
Assert.AreEqual(i, 1);
}
