// If a DataGridCollectionViewBase is used, get the ItemProperties it defines to be able to retreive DataGridForeignKeyDescription for each of them
// to get the auto-detected ForeignKey ItemsSource (if any).
// If a DataGridCollectionViewBase is not used, the ItemsSource must be manually specified on each Column in order to correctly display/edit the Data
internal static void UpdateColumnsForeignKeyConfigurationsFromDataGridCollectionView(
ObservableColumnCollection columns,
DataGridItemPropertyCollection itemProperties,
bool autoCreateForeignKeyConfigurations)
{
if (itemProperties == null)
{
return;
}
foreach (var itemProperty in itemProperties)
{
var description = itemProperty.ForeignKeyDescription;
if (description != null)
{
var columnName = PropertyRouteParser.Parse(itemProperty);
var column = (columnName != null) ? columns[columnName] as Column : null;
if (column != null)
{
ForeignKeyConfiguration.SynchronizeForeignKeyConfigurationFromForeignKeyDescription(column, description, autoCreateForeignKeyConfigurations);
}
}
if (itemProperty.ItemPropertiesInternal != null)
{
ForeignKeyConfiguration.UpdateColumnsForeignKeyConfigurationsFromDataGridCollectionView(
columns,
itemProperty.ItemPropertiesInternal,
autoCreateForeignKeyConfigurations);
}
}
}
internal DeferedColumnAdditionMessageDisposable(ObservableColumnCollection columns)
{
if (columns == null)
{
throw new ArgumentNullException("columns");
}
m_columns = columns;
m_columns.m_columnAdditionMessagesDeferedCount++;
}
internal static void UpdateColumnsForeignKeyConfigurations(
ObservableColumnCollection columns,
IEnumerable itemsSourceCollection,
PropertyDescriptionRouteDictionary propertyDescriptions,
bool autoCreateForeignKeyConfigurations)
{
var collectionViewBase = itemsSourceCollection as DataGridCollectionViewBase;
if (collectionViewBase != null)
{
ForeignKeyConfiguration.UpdateColumnsForeignKeyConfigurationsFromDataGridCollectionView(columns, collectionViewBase.ItemProperties, autoCreateForeignKeyConfigurations);
}
else
{
ForeignKeyConfiguration.UpdateColumnsForeignKeyConfigurationsFromPropertyDescriptions(columns, propertyDescriptions, autoCreateForeignKeyConfigurations);
}
}
private static void UpdateColumnsForeignKeyConfigurationsFromPropertyDescriptions(
ObservableColumnCollection columns,
PropertyDescriptionRouteDictionary propertyDescriptions,
bool autoCreateForeignKeyConfigurations)
{
if ((columns == null) || (propertyDescriptions == null))
{
return;
}
foreach (var column in columns)
{
var targetColumn = column as Column;
if (targetColumn == null)
{
continue;
}
var key = PropertyRouteParser.Parse(targetColumn.FieldName);
if (key == null)
{
continue;
}
var propertyDescription = propertyDescriptions[key];
if (propertyDescription == null)
{
continue;
}
var foreignKeyDescription = propertyDescription.Current.ForeignKeyDescription;
if (foreignKeyDescription == null)
{
continue;
}
ForeignKeyConfiguration.SynchronizeForeignKeyConfigurationFromForeignKeyDescription(targetColumn, foreignKeyDescription, autoCreateForeignKeyConfigurations);
}
}
internal DeferState(ObservableColumnCollection target)
{
Debug.Assert(target != null);
m_target = target;
}
internal static void RemoveListener(ObservableColumnCollection source, IWeakEventListener listener)
{
CurrentManager.ProtectedRemoveListener(source, listener);
}
internal ReadOnlyColumnCollection(ObservableColumnCollection collection)
: base(collection)
{
}
