public UpdateSelectionSourceHelper(
SelectionManager selectionManager,
UpdateSelectionSource newUpdateSelectionSource )
{
m_selectionManager = selectionManager;
m_oldUpdateSelectionSource = selectionManager.m_currentUpdateSelectionSource;
selectionManager.m_currentUpdateSelectionSource = newUpdateSelectionSource;
}
public DataGridControl()
{
m_selectionChangerManager = new SelectionManager( this );
this.SetValue( DataGridControl.ParentDataGridControlPropertyKey, this );
//set the FixedItem for the gridControl to NotSet, this is to prevent problems with nested DataGridControls
DataGridControl.SetFixedItem( this, DataGridControl.NotSet );
this.SetDetailConfigurations( new DetailConfigurationCollection( this, null ) );
this.DetailConfigurations.CollectionChanged += this.OnDetailConfigurationsChanged;
this.CommandBindings.Add( new CommandBinding( DataGridCommands.ExpandGroup, this.OnExpandGroupExecuted, this.OnExpandGroupCanExecute ) );
this.CommandBindings.Add( new CommandBinding( DataGridCommands.CollapseGroup, this.OnCollapseGroupExecuted, this.OnCollapseGroupCanExecute ) );
this.CommandBindings.Add( new CommandBinding( DataGridCommands.ToggleGroupExpansion, this.OnToggleGroupExecuted, this.OnToggleGroupCanExecute ) );
this.CommandBindings.Add( new CommandBinding( ApplicationCommands.SelectAll, this.OnSelectAllExecuted, this.OnSelectAllCanExecute ) );
this.CommandBindings.Add( new CommandBinding( DataGridCommands.ClearFilter, this.OnClearFilterExecuted ) );
// We keep a references to be able to remove the CommandBindings when they are not required (feature disabled)
m_refreshCommandBinding = new CommandBinding( DataGridCommands.Refresh, this.OnRefreshExecuted, this.OnRefreshCanExecute );
this.CommandBindings.Add( m_refreshCommandBinding );
// We keep a references to be able to remove the CommandBindings when they are not required (feature disabled)
m_copyCommandBinding = new CommandBinding( ApplicationCommands.Copy, this.OnCopyExecuted, this.OnCopyCanExecute );
this.CommandBindings.Add( m_copyCommandBinding );
// The delete command is not enabled by default, so don't add it to CommandBindings
m_deleteCommandBinding = new CommandBinding( ApplicationCommands.Delete, this.OnDeleteExecuted, this.OnDeleteCanExecute );
DataGridContext dataGridContext = new DataGridContext( null, this, null, this.Items, null );
m_customItemContainerGenerator = CustomItemContainerGenerator.CreateGenerator( this, this.Items, dataGridContext );
m_customItemContainerGenerator.DetailsChanged += OnDetailsChanged;
DataGridControl.SetDataGridContext( this, dataGridContext );
m_localDataGridContext = dataGridContext;
//so that at least one DataGridContext is always current
dataGridContext.SetIsCurrentHelper( true );
this.SetCurrentDataGridContextHelper( dataGridContext );
this.SetValue( DataGridControl.ColumnsPropertyKey, dataGridContext.Columns );
this.SetValue( DataGridControl.VisibleColumnsPropertyKey, dataGridContext.VisibleColumns );
this.SetValue( DataGridControl.GroupLevelDescriptionsPropertyKey, dataGridContext.GroupLevelDescriptions );
this.SetValue( DataGridControl.SelectedItemsPropertyKey, dataGridContext.SelectedItems );
this.SetValue( DataGridControl.SelectedItemRangesPropertyKey, new SelectionItemRangeCollection( dataGridContext.SelectedItemsStore ) );
this.SetValue( DataGridControl.SelectedCellRangesPropertyKey, new SelectionCellRangeCollection( dataGridContext.SelectedCellsStore ) );
// Apparently, we don't need to unsubscribe from these event handlers. These event
// subscriptions do not "root" the grid and we observed no leak cause be these.
// We did not investigate why that is and we should keep an eye on it.
this.GroupStyle.CollectionChanged += new NotifyCollectionChangedEventHandler( GroupStyle_CollectionChanged );
if( DesignerProperties.GetIsInDesignMode( this ) )
{
// Workaround for VS2008's know issue (the DataGrid's Template is not active).
// TODO (case 117288): Remove when the issue will be corrected.
this.ClipToBounds = true;
}
this.Loaded += new RoutedEventHandler( DataGridControl_Loaded );
this.LayoutUpdated += new EventHandler( DataGridControl_LayoutUpdated );
}
