private static IDisposable DeferResortHelper(
IEnumerable itemsSourceCollection,
CollectionView collectionView,
SortDescriptionCollection sortDescriptions)
{
IDisposable resortDisposable = null;
DataGridSortDescriptionCollection dataGridSortDescriptions = sortDescriptions as DataGridSortDescriptionCollection;
if (dataGridSortDescriptions != null)
{
// We are in a detail
resortDisposable = dataGridSortDescriptions.DeferResort();
}
else
{
Debug.Assert(collectionView != null, "We must have a CollectionView when we are not processing a Detail");
DataGridCollectionViewBase dataGridCollectionView = itemsSourceCollection as DataGridCollectionViewBase;
if (dataGridCollectionView != null)
{
resortDisposable = dataGridCollectionView.DataGridSortDescriptions.DeferResort();
}
else
{
resortDisposable = collectionView.DeferRefresh();
}
}
Debug.Assert(resortDisposable != null);
return(resortDisposable);
}
public DeferResortDisposable(DataGridSortDescriptionCollection parentCollection)
{
if (parentCollection == null)
{
throw new ArgumentNullException("parentCollection");
}
m_parentCollection = parentCollection;
m_parentCollection.m_deferResortCount++;
}
protected DataGridDetailDescription()
{
m_itemProperties = new DataGridItemPropertyCollection();
m_detailDescriptions = new DataGridDetailDescriptionCollection();
m_defaultPropertyDescriptions = new PropertyDescriptionRouteDictionary();
m_groupDescriptions = new GroupDescriptionCollection();
m_sortDescriptions = new DataGridSortDescriptionCollection();
this.AutoCreateDetailDescriptions = true;
this.AutoCreateItemProperties = true;
this.DefaultCalculateDistinctValues = true;
CollectionChangedEventManager.AddListener(m_itemProperties, this);
InitializeItemPropertyEventManager.AddListener(m_itemProperties, this);
CollectionChangedEventManager.AddListener(m_detailDescriptions, this);
}
protected DataGridDetailDescription()
{
m_detailDescriptions = new DataGridDetailDescriptionCollection();
m_detailDescriptions.CollectionChanged += this.OnDetailDescriptionsCollectionChanged;
m_itemProperties = new DataGridItemPropertyCollection();
m_itemProperties.CollectionChanged += this.OnItemPropertiesCollectionChanged;
m_groupDescriptions = new GroupDescriptionCollection();
m_sortDescriptions = new DataGridSortDescriptionCollection();
m_statFunctions = new StatFunctionCollection();
m_autoFilterValues = new ReadOnlyDictionary<string, IList>();
m_autoFilteredItems = new ObservableCollection<DataGridItemPropertyBase>();
m_registeredFieldNamesToAutoFilterValues = new Dictionary<string, INotifyCollectionChanged>();
m_registeredAutoFilterValuesToFieldNames = new Dictionary<INotifyCollectionChanged, string>();
this.AutoCreateDetailDescriptions = true;
this.AutoCreateItemProperties = true;
this.DefaultCalculateDistinctValues = true;
}
protected DataGridDetailDescription()
{
m_detailDescriptions = new DataGridDetailDescriptionCollection();
m_detailDescriptions.CollectionChanged += this.OnDetailDescriptionsCollectionChanged;
m_itemProperties = new DataGridItemPropertyCollection();
m_itemProperties.CollectionChanged += this.OnItemPropertiesCollectionChanged;
m_groupDescriptions = new GroupDescriptionCollection();
m_sortDescriptions = new DataGridSortDescriptionCollection();
m_statFunctions = new StatFunctionCollection();
m_autoFilterValues = new ReadOnlyDictionary <string, IList>();
m_autoFilteredItems = new ObservableCollection <DataGridItemPropertyBase>();
m_registeredFieldNamesToAutoFilterValues = new Dictionary <string, INotifyCollectionChanged>();
m_registeredAutoFilterValuesToFieldNames = new Dictionary <INotifyCollectionChanged, string>();
this.AutoCreateDetailDescriptions = true;
this.AutoCreateItemProperties = true;
this.DefaultCalculateDistinctValues = 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 );
}
}
public DeferResortDisposable( DataGridSortDescriptionCollection parentCollection )
{
if( parentCollection == null )
throw new ArgumentNullException( "parentCollection" );
m_parentCollection = parentCollection;
m_parentCollection.m_deferResortCount++;
}
