private void ChangeDataSource(ItemsSourceView newValue)
{
var oldValue = m_dataSource;
if (oldValue != newValue)
{
// update to the new datasource.
if (oldValue != null)
{
oldValue.CollectionChanged -= OnDataSourceChanged;
}
Clear();
m_dataSource = newValue;
SyncAndInitVectorFlagsWithID(NavigationViewSplitVectorID.NotInitialized, DefaultAttachedData());
if (newValue != null)
{
newValue.CollectionChanged += OnDataSourceChanged;
}
}
// Move all to primary list
MoveItemsToVector(NavigationViewSplitVectorID.NotInitialized);
}
public void ValidateGetSetItemsSource()
{
RunOnUIThread.Execute(() =>
{
ItemsRepeater repeater = new ItemsRepeater();
var dataSource = new ItemsSourceView(Enumerable.Range(0, 10).Select(i => string.Format("Item #{0}", i)));
repeater.SetValue(ItemsRepeater.ItemsSourceProperty, dataSource);
Verify.AreSame(dataSource, repeater.GetValue(ItemsRepeater.ItemsSourceProperty) as ItemsSourceView);
Verify.AreSame(dataSource, repeater.ItemsSourceView);
});
}
// The raw data is from MenuItems or MenuItemsSource
public void SetDataSource(object rawData)
{
if (ShouldChangeDataSource(rawData)) // avoid to create multiple of datasource for the same raw data
{
ItemsSourceView dataSource = null;
if (rawData != null)
{
dataSource = new InspectingDataSource(rawData);
}
ChangeDataSource(dataSource);
m_rawDataSource = rawData;
if (dataSource != null)
{
MoveAllItemsToPrimaryList();
}
}
}
