internal DataGridCollectionViewBaseDataProvider( DataGridCollectionViewSourceBase parentSource )
: base()
{
if( parentSource == null )
throw new ArgumentNullException( "parentSource" );
m_parentSource = parentSource;
}
internal DataGridCollectionViewBaseDataProvider(DataGridCollectionViewSourceBase parentSource)
: base()
{
if (parentSource == null)
{
throw new ArgumentNullException("parentSource");
}
m_parentSource = parentSource;
}
internal static void OnDataGridCollectionViewSourceBaseDependencyPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
DataGridCollectionViewSourceBase source = o as DataGridCollectionViewSourceBase;
if (source == null)
{
return;
}
source.AdviseForwardedPropertyChanged();
}
internal static void OnDataGridCollectionViewSourceChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
DataGridCollectionViewSourceBase source = o as DataGridCollectionViewSourceBase;
if (source == null)
{
return;
}
if (source.m_dataSourceProvider != null)
{
source.m_dataSourceProvider.DelayRefresh(source.Dispatcher, System.Windows.Threading.DispatcherPriority.DataBind);
}
}
private static void OnQueryableSourcePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
DataGridCollectionViewSourceBase source = sender as DataGridCollectionViewSourceBase;
if (source == null)
{
return;
}
source.AdviseForwardedPropertyChanged();
if (source.DataSourceProvider != null)
{
source.DataSourceProvider.DelayRefresh(source.Dispatcher, System.Windows.Threading.DispatcherPriority.DataBind);
}
}
private static object OnSourceCoerceValue(DependencyObject d, object newValue)
{
if (newValue is DataGridCollectionViewBaseDataProvider)
{
return(newValue);
}
DataGridCollectionViewSourceBase collectionViewSourceBase = ( DataGridCollectionViewSourceBase )d;
collectionViewSourceBase.m_originalSource = newValue;
if (collectionViewSourceBase.m_dataSourceProvider == null)
{
collectionViewSourceBase.m_dataSourceProvider = collectionViewSourceBase.CreateDataProvider();
}
else
{
collectionViewSourceBase.m_dataSourceProvider.DelayRefresh(collectionViewSourceBase.Dispatcher, System.Windows.Threading.DispatcherPriority.DataBind);
}
return(collectionViewSourceBase.m_dataSourceProvider);
}