protected void RefreshInternalView(bool resetStatus)
{
if (this.DataView != null)
{
if (this.DataView.BatchDataProvider != null)
{
this.DataView.BatchDataProvider.StatusChanged -= this.BatchProvider_StatusChanged;
this.DataView.BatchDataProvider.Dispose();
}
this.DataView.CollectionChanged -= this.DataView_CollectionChanged;
this.DataView.ItemPropertyChanged -= this.DataView_ItemPropertyChanged;
this.DataView.Dispose();
}
if (resetStatus)
{
this.ResetStatus();
}
this.DataView = DataSourceViewFacotry.CreateDataSourceView(this.ItemsSource ?? Enumerable.Empty <object>());
if (this.DataView.BatchDataProvider != null)
{
this.DataView.BatchDataProvider.StatusChanged += this.BatchProvider_StatusChanged;
}
this.DataView.CollectionChanged += this.DataView_CollectionChanged;
this.DataView.ItemPropertyChanged += this.DataView_ItemPropertyChanged;
}
public void Count_WhenItemsSourceIsEnumerable_ReturnsTheCountOfAllRows()
{
var data = Order.GetSmallData();
var sourceView = DataSourceViewFacotry.CreateDataSourceView(data);
var expectedNumberOfRows = data.Count;
var actualNumberOfRows = sourceView.InternalList.Count;
Assert.AreEqual(expectedNumberOfRows, actualNumberOfRows);
}
public void Indexer_WhenItemsSourceIsEnumerable_WhenCorrectIndexIsSpecified_ReturnsTheCorrectItem()
{
var data = Order.GetSmallData();
var sourceView = DataSourceViewFacotry.CreateDataSourceView(data);
var expectedItem = data[2];
var actualItem = sourceView.InternalList[2];
Assert.AreSame(expectedItem, actualItem);
}
public void OriginalCollectionIsCopied_WhenItemsSourceIsEnumerable_AndModificationsToTheOriginalCollectionDoNotChangeTheInternalCollectionOfTheView()
{
var data = Order.GetSmallData();
var sourceView = DataSourceViewFacotry.CreateDataSourceView(data);
var expectedItemCount = data.Count;
data.Add(new Order());
var actualItemCount = sourceView.InternalList.Count;
Assert.AreEqual(expectedItemCount, actualItemCount);
}
private void UpdateSource(object newSource)
{
if (this.sourceView != null)
{
this.sourceView.CollectionChanging -= this.SourceCollectionChanging;
this.sourceView.CollectionChanged -= this.SourceCollectionChanged;
}
this.sourceView = DataSourceViewFacotry.CreateDataSourceView(newSource ?? Enumerable.Empty <object>());
this.sourceView.CollectionChanging += this.SourceCollectionChanging;
this.sourceView.CollectionChanged += this.SourceCollectionChanged;
}
