internal SynchronizationContext(SortDescriptionsSyncContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
m_context = context;
m_isOwner = !context.ProcessingSortSynchronization;
context.ProcessingSortSynchronization = true;
}
private void SynchronizeWithDetailDescription( DataGridDetailDescription detailDescription )
{
if( detailDescription != m_detailDescription )
{
this.DetachFromDetailDescription();
m_shouldCreateColumns = true;
m_detailDescription = detailDescription;
DataGridSortDescriptionCollection dataGridSortDescriptionCollection = null;
if( detailDescription != null )
{
//register to the collectionchanged of the DataGridDetailDescription collection of the detailDescription matching this one.
dataGridSortDescriptionCollection = detailDescription.DataGridSortDescriptions;
m_groupDescriptions = detailDescription.GroupDescriptions;
CollectionChangedEventManager.AddListener( detailDescription.ItemProperties, this );
CollectionChangedEventManager.AddListener( detailDescription.DetailDescriptions, this );
}
else
{
dataGridSortDescriptionCollection = new DataGridSortDescriptionCollection();
m_groupDescriptions = new GroupDescriptionCollection();
}
m_sortDescriptions = dataGridSortDescriptionCollection;
m_sortDescriptionsSyncContext = null; //clear it, if it was ever set!
//This update is required since there might be some columns in the Columns collection after the XAML parsing of the DetailConfiguration
DataGridContext.SynchronizeSortProperties( dataGridSortDescriptionCollection.SyncContext, m_sortDescriptions, this.Columns );
//This update is required since we want the GroupLevelDescriptions to be created if DetailConfiguration in XAML
//contains GroupDescriptions
DataGridContext.UpdateGroupLevelDescriptions( this.GroupLevelDescriptions, new NotifyCollectionChangedEventArgs( NotifyCollectionChangedAction.Reset ), this.GroupDescriptions, this.Columns );
CollectionChangedEventManager.AddListener( m_sortDescriptions, this );
CollectionChangedEventManager.AddListener( m_groupDescriptions, this );
if( detailDescription != null )
{
if( this.ReadLocalValue( DetailConfiguration.TitleProperty ) == DependencyProperty.UnsetValue )
{
if( detailDescription.Title == null )
{
this.Title = detailDescription.RelationName;
}
else
{
this.Title = detailDescription.Title;
}
}
if( ( this.ReadLocalValue( DetailConfiguration.TitleTemplateProperty ) == DependencyProperty.UnsetValue )
&& ( detailDescription.TitleTemplate != null ) )
{
this.TitleTemplate = detailDescription.TitleTemplate;
}
DetailConfiguration.SynchronizeDetailConfigurations(
detailDescription.DetailDescriptions,
this.DetailConfigurations,
this.AutoCreateDetailConfigurations,
this.AutoCreateForeignKeyConfigurations,
this.AutoRemoveColumnsAndDetailConfigurations );
}
}
if( detailDescription != null )
{
ForeignKeyConfiguration.UpdateColumnsForeignKeyConfigurationsFromDataGridCollectionView(
this.Columns.FieldNameToColumnDictionary,
detailDescription.ItemProperties,
this.AutoCreateForeignKeyConfigurations );
}
}
protected SynchronizationContext StartSynchronizing(SortDescriptionsSyncContext context)
{
return(new SynchronizationContext(context));
}
