internal AutoFilterValuesChangedEventArgs(
DataGridDetailDescription detailDescription,
DataGridItemPropertyBase itemProperty,
IList autoFilterValues,
NotifyCollectionChangedEventArgs collectionChangedEvent)
{
if (itemProperty == null)
{
throw new ArgumentNullException("itemProperty");
}
if (autoFilterValues == null)
{
throw new ArgumentNullException("autoFilterValues");
}
if (collectionChangedEvent == null)
{
throw new ArgumentNullException("collectionChangedEvent");
}
this.DetailDescription = detailDescription;
this.ItemProperty = itemProperty;
this.CollectionChangedEventArgs = collectionChangedEvent;
this.AutoFilterValues = autoFilterValues;
}
internal override DataGridCollectionViewBase CreateDetailDataGridCollectionViewBase(
IEnumerable detailDataSource,
DataGridDetailDescription parentDetailDescription,
DataGridCollectionViewBase rootDataGridCollectionViewBase)
{
throw new NotImplementedException();
}
internal override DataGridCollectionViewBase CreateDetailDataGridCollectionViewBase(
IEnumerable detailDataSource,
DataGridDetailDescription parentDetailDescription,
DataGridCollectionViewBase rootDataGridCollectionViewBase )
{
throw new NotImplementedException();
}
internal virtual void ApplyExtraPropertiesToView(DataGridCollectionViewBase currentView)
{
var currentViewItemProperties = currentView.ItemProperties;
foreach (var itemProperty in m_itemProperties)
{
currentViewItemProperties[itemProperty.Name] = itemProperty;
}
var defaultCalculateDistinctValues = this.DefaultCalculateDistinctValues;
foreach (var itemProperty in currentViewItemProperties)
{
// Set default value for CalculateDistinctValues if not explicitly set
if (!itemProperty.IsCalculateDistinctValuesInitialized)
{
itemProperty.CalculateDistinctValues = defaultCalculateDistinctValues;
}
}
var autoCreateForeignKeyDescriptions = this.AutoCreateForeignKeyDescriptions;
for (int i = 0; i < m_dataGridDetailDescriptions.Count; i++)
{
DataGridDetailDescription detailDescription = m_dataGridDetailDescriptions[i];
// We assume we want to auto-create ForeignKeyDescriptions for DetailDescriptions
// if this.AutoCreateForeignKeyDescriptions is true and it was auto-created
if (detailDescription.IsAutoCreated)
{
detailDescription.AutoCreateForeignKeyDescriptions = autoCreateForeignKeyDescriptions;
}
}
}
internal AutoFilterValuesChangedEventArgs(
DataGridDetailDescription detailDescription,
DataGridItemPropertyBase itemProperty,
IList autoFilterValues,
NotifyCollectionChangedEventArgs collectionChangedEvent )
{
if( itemProperty == null )
throw new ArgumentNullException( "itemProperty" );
if( autoFilterValues == null )
throw new ArgumentNullException( "autoFilterValues" );
if( collectionChangedEvent == null )
throw new ArgumentNullException( "collectionChangedEvent" );
this.DetailDescription = detailDescription;
this.ItemProperty = itemProperty;
this.CollectionChangedEventArgs = collectionChangedEvent;
this.AutoFilterValues = autoFilterValues;
}
internal virtual void OnDetailDescriptionsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
// Set the AutoFilterValuesChanged event for each
// newly added DataGridDetailDescription added to
// collection
int newItemsCount = (e.NewItems != null)
? e.NewItems.Count
: 0;
int oldItemsCount = (e.OldItems != null)
? e.OldItems.Count
: 0;
for (int i = 0; i < oldItemsCount; i++)
{
DataGridDetailDescription description = e.OldItems[i] as DataGridDetailDescription;
if (description == null)
{
continue;
}
description.UnregisterAllAutoFilterValuesChangedEvent();
}
for (int i = 0; i < newItemsCount; i++)
{
DataGridDetailDescription description = e.NewItems[i] as DataGridDetailDescription;
if (description == null)
{
continue;
}
description.DetailDescriptionAutoFilterValuesChanged = this.RaiseDetailDescriptionAutoFilterValuesChangedEvent;
}
}
internal abstract DataGridCollectionViewBase CreateDetailDataGridCollectionViewBase( IEnumerable detailDataSource, DataGridDetailDescription parentDetailDescription, DataGridCollectionViewBase rootDataGridCollectionViewBase );
internal virtual void CreateDefaultCollections( DataGridDetailDescription parentDetailDescription )
{
Debug.Assert( parentDetailDescription == null || this.CanHaveDetails );
m_sortDescriptions = ( parentDetailDescription == null ) ? new DataGridSortDescriptionCollection() :
parentDetailDescription.SortDescriptions as DataGridSortDescriptionCollection;
m_groupDescriptions = ( parentDetailDescription == null ) ? new GroupDescriptionCollection() :
parentDetailDescription.GroupDescriptions;
}
internal DataGridCollectionViewBase( IEnumerable collection, DataGridDetailDescription parentDetailDescription, DataGridCollectionViewBase rootDataGridCollectionViewBase )
: this()
{
if( !this.CanHaveDetails )
throw new InvalidOperationException( "An attempt was made to provide a detail description for a source that cannot have details." );
if( parentDetailDescription == null )
throw new ArgumentNullException( "parentDetailDescription" );
this.AutoCreateDetailDescriptions = parentDetailDescription.AutoCreateDetailDescriptions;
this.AutoCreateItemProperties = parentDetailDescription.AutoCreateItemProperties;
this.AutoCreateForeignKeyDescriptions = parentDetailDescription.AutoCreateForeignKeyDescriptions;
m_parentDetailDescription = parentDetailDescription;
m_rootDataGridCollectionViewBase = rootDataGridCollectionViewBase;
Type itemType;
itemType = ItemsSourceHelper.GetItemTypeFromEnumeration( collection );
if( itemType == null )
itemType = typeof( object );
this.InitializeFromExternalDeclaration( collection, itemType );
// This is required in the Master/Detail scheme of things!
this.ForceRefresh( false, true, false );
}
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 );
}
}
internal virtual void ApplyExtraPropertiesToView(DataGridCollectionViewBase currentView)
{
DataGridItemPropertyCollection currentViewItemProperties = currentView.ItemProperties;
int count = m_itemProperties.Count;
for (int i = 0; i < count; i++)
{
DataGridItemPropertyBase itemProperty = m_itemProperties[i];
int index = currentViewItemProperties.IndexOf(itemProperty.Name);
if (index == -1)
{
currentViewItemProperties.Add(itemProperty);
}
else
{
currentViewItemProperties[index] = itemProperty;
}
}
count = currentView.ItemProperties.Count;
bool defaultCalculateDistinctValues = this.DefaultCalculateDistinctValues;
for (int i = 0; i < count; i++)
{
DataGridItemPropertyBase dataGridItemProperty = currentView.ItemProperties[i];
// Set default value for CalculateDistinctValues if not explicitly set
if (!dataGridItemProperty.IsCalculateDistinctValuesInitialized)
{
dataGridItemProperty.CalculateDistinctValues = defaultCalculateDistinctValues;
}
}
count = m_dataGridDetailDescriptions.Count;
bool autoCreateForeignKeyDescriptions = this.AutoCreateForeignKeyDescriptions;
DataGridDetailDescriptionCollection currentViewDetailDescriptions =
currentView.DetailDescriptions;
for (int i = 0; i < count; i++)
{
DataGridDetailDescription detailDescription = m_dataGridDetailDescriptions[i];
int index = currentViewDetailDescriptions.IndexOf(detailDescription.RelationName);
if (index == -1)
{
currentViewDetailDescriptions.Add(detailDescription);
}
else
{
currentViewDetailDescriptions[index] = detailDescription;
}
// We assume we want to auto-create ForeignKeyDescriptions for DetailDescriptions
// if this.AutoCreateForeignKeyDescriptions is true and it was auto-created
if (detailDescription.IsAutoCreated)
{
detailDescription.AutoCreateForeignKeyDescriptions = autoCreateForeignKeyDescriptions;
}
}
currentView.AutoFilterMode = this.AutoFilterMode;
currentView.DistinctValuesConstraint = this.DistinctValuesConstraint;
currentView.DistinctValuesUpdateMode = this.DistinctValuesUpdateMode;
currentView.FilterCriteriaMode = this.FilterCriteriaMode;
}
internal void SetSource( DataGridControl dataGridControl, DataGridDetailDescription detailDescription )
{
if( ( dataGridControl == null ) || ( detailDescription == null ) || ( !dataGridControl.AreDetailsFlatten ) )
{
this.Source = null;
}
else
{
var map = this.Source as ItemPropertyNameMap;
var itemProperties = detailDescription.ItemProperties;
if( ( map == null ) || ( map.ItemProperties != detailDescription.ItemProperties ) )
{
this.Source = new ItemPropertyNameMap( itemProperties );
}
}
}
