Class CellSelectionController

Represents the class that process the cell selection operation in SfDataGrid.

Inheritance

System.Object

SelectionControllerBase

CellSelectionController

Inherited Members

SelectionControllerBase.SuspendUpdates()

SelectionControllerBase.ResumeUpdates()

SelectionControllerBase.SuspendEvents()

SelectionControllerBase.ResumeEvents()

SelectionControllerBase.RaiseSelectionChanging(List<Object>, List<Object>)

SelectionControllerBase.RaiseSelectionChanged(List<Object>, List<Object>)

SelectionControllerBase.DataGrid

SelectionControllerBase.SelectedRows

SelectionControllerBase.IsSuspended

SelectionControllerBase.PressedRowColumnIndex

System.Object.ToString()

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

Namespace: Syncfusion.WinForms.DataGrid.Interactivity

Assembly: Syncfusion.SfDataGrid.WinForms.dll

Syntax

public class CellSelectionController : SelectionControllerBase

Constructors

CellSelectionController(SfDataGrid)

Initializes a new instance of the CellSelectionController class.

Declaration

public CellSelectionController(SfDataGrid dataGrid)

Parameters

Type	Name	Description
SfDataGrid	dataGrid	The DataGrid.

Methods

ClearDetailsViewGridSelections(SfDataGrid)

Overriden to clears the cell selections in DetailsViewDataGrid.

Declaration

protected override bool ClearDetailsViewGridSelections(SfDataGrid detailsViewDataGrid)

Parameters

Type	Name	Description
SfDataGrid	detailsViewDataGrid	The selection of DetailsViewDataGrid to be cleared.

Returns

Type	Description
System.Boolean	Returns true, if DetailsView selections cleared properly. Otherwise false.

Overrides

SelectionControllerBase.ClearDetailsViewGridSelections(SfDataGrid)

DeleteSelectedRecords()

Overriden to throw exception. Since Records deletion is not supported in Cell selection.

Declaration

protected override bool DeleteSelectedRecords()

Returns

Type	Description
System.Boolean	Throws exception. Since Records deletion is not supported in Cell selection.

Overrides

SelectionControllerBase.DeleteSelectedRecords()

HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Overriden to handle the collection changed.

Declaration

protected override void HandleCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The System.Collections.Specialized.NotifyCollectionChangedEventArgs that contains the event data.
CollectionChangedReason	reason	The collection changed reason.

Overrides

SelectionControllerBase.HandleCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

HandleDataSourceChanges(DataSourceChangedEventArgs)

Overriden to process the cell selection when data source of the grid changed.

Declaration

protected override void HandleDataSourceChanges(DataSourceChangedEventArgs args)

Parameters

Type	Name	Description
DataSourceChangedEventArgs	args	The DataSourceChangedEventArgs that contains the event data.

Overrides

SelectionControllerBase.HandleDataSourceChanges(DataSourceChangedEventArgs)

HandleGridOperations(DataGridOperationEventArgs)

Overriden to process the cell selection for handling the grid operations.

Declaration

protected override void HandleGridOperations(DataGridOperationEventArgs args)

Parameters

Type	Name	Description
DataGridOperationEventArgs	args	The DataGridOperationEventArgs that contains the event data.

Overrides

SelectionControllerBase.HandleGridOperations(DataGridOperationEventArgs)

HandleKeyOperations(KeyEventArgs)

Overriden to handle the key operations.

Declaration

protected override void HandleKeyOperations(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.HandleKeyOperations(KeyEventArgs)

HandlePointerOperations(DataGridPointerEventArgs, RowColumnIndex)

Handles the mouse selection operations.

Declaration

protected override void HandlePointerOperations(DataGridPointerEventArgs args, RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
DataGridPointerEventArgs	args	The DataGridPointerEventArgs args.
RowColumnIndex	rowColumnIndex	The row and column index.

Overrides

SelectionControllerBase.HandlePointerOperations(DataGridPointerEventArgs, RowColumnIndex)

HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs)

Overriden to handle the selection properties changed.

Declaration

protected override void HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The SelectionPropertyChangedEventArgs that contains the event data.

Overrides

SelectionControllerBase.HandleSelectionPropertyChanges(SelectionPropertyChangedEventArgs)

ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs)

Process the cell selection for ArrowKeys and Tab keys.

Declaration

protected override void ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessArrowKeysForSingleMultipleSelection(KeyEventArgs)

ProcessCtrlModifiersKeys(KeyEventArgs)

Process the navigation cell selection for the Ctrl modifier keys.

Declaration

protected override void ProcessCtrlModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessCtrlModifiersKeys(KeyEventArgs)

ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs)

Processes the cell selection when the CurrentItem property value changes.

Declaration

protected override void ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The SelectionPropertyChangedEventArgs contains the data for the CurrentItem property value changes.

Overrides

SelectionControllerBase.ProcessCurrentItemChanged(SelectionPropertyChangedEventArgs)

ProcessDetailsViewEnterKeyDown(Int32)

Process the selection of the DetailsViewDataGrid in the given row index.

Declaration

protected override bool ProcessDetailsViewEnterKeyDown(int rowIndex)

Parameters

Type	Name	Description
System.Int32	rowIndex	The details view row index.

Returns

Type	Description
System.Boolean	Returns true, if selection is processed. Otherwise false.

Overrides

SelectionControllerBase.ProcessDetailsViewEnterKeyDown(Int32)

ProcessDragSelection(RowColumnIndex)

Overriden to process the drag cell selection.

Declaration

protected override void ProcessDragSelection(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The current dragging row column index.

Overrides

SelectionControllerBase.ProcessDragSelection(RowColumnIndex)

ProcessEnterKey()

Process the cell selection for Enter key down.

Declaration

protected override void ProcessEnterKey()

Overrides

SelectionControllerBase.ProcessEnterKey()

ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs)

Processes the cell selection when the SelectionMode property value changes.

Declaration

protected override void ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The SelectionPropertyChangedEventArgs contains the data for the SelectionMode property value changes.

Overrides

SelectionControllerBase.ProcessGridSelectionModeChanged(SelectionPropertyChangedEventArgs)

ProcessNavigationShiftSelection(RowColumnIndex)

Process the navigation cell selection for the Shift modifier keys.

Declaration

protected override void ProcessNavigationShiftSelection(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row and column index of the cell to be selected.

Overrides

SelectionControllerBase.ProcessNavigationShiftSelection(RowColumnIndex)

ProcessOnAddNewRow(AddNewRowOperationEventArgs)

Overriden to process the cell selection when addnew row position changed.

Declaration

protected override void ProcessOnAddNewRow(AddNewRowOperationEventArgs args)

Parameters

Type	Name	Description
AddNewRowOperationEventArgs	args	The AddNewRowOperationEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessOnAddNewRow(AddNewRowOperationEventArgs)

ProcessOnFilterApplied(FilterChangedEventArgs)

Overriden to process the cell selection when filter is applied.

Declaration

protected override void ProcessOnFilterApplied(FilterChangedEventArgs args)

Parameters

Type	Name	Description
FilterChangedEventArgs	args	The FilterChangedEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessOnFilterApplied(FilterChangedEventArgs)

ProcessOnGroupChanged(GroupingOperationEventArgs)

Overriden to process the cell selection when group changed.

Declaration

protected override void ProcessOnGroupChanged(GroupingOperationEventArgs args)

Parameters

Type	Name	Description
GroupingOperationEventArgs	args	The GroupingOperationEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessOnGroupChanged(GroupingOperationEventArgs)

ProcessOnPageChanged()

Processes the cell selection when the page is navigated using the SfDataPager.

Declaration

protected override void ProcessOnPageChanged()

Overrides

SelectionControllerBase.ProcessOnPageChanged()

ProcessOnRowHeaderChanged()

Overriden to process the cell selection when row header changed.

Declaration

protected override void ProcessOnRowHeaderChanged()

Overrides

SelectionControllerBase.ProcessOnRowHeaderChanged()

ProcessOnSortChanged(SortColumnChangedEventArgs)

Process the cell selection on SortColumnDescriptions changed.

Declaration

protected override void ProcessOnSortChanged(SortColumnChangedEventArgs args)

Parameters

Type	Name	Description
SortColumnChangedEventArgs	args	The SortColumnChangedEventArgs that contains event data.

Overrides

SelectionControllerBase.ProcessOnSortChanged(SortColumnChangedEventArgs)

ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs)

Processes the cell selection when the SelectedIndex property value changes.

Declaration

protected override void ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The SelectionPropertyChangedEventArgs contains the data for the SelectedIndex property value changes.

Overrides

SelectionControllerBase.ProcessSelectedIndexChanged(SelectionPropertyChangedEventArgs)

ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs)

Processes the cell selection when the SelectedItem property value changes.

Declaration

protected override void ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs args)

Parameters

Type	Name	Description
SelectionPropertyChangedEventArgs	args	The SelectionPropertyChangedEventArgs contains the data for the SelectedItem property value changes.

Overrides

SelectionControllerBase.ProcessSelectedItemChanged(SelectionPropertyChangedEventArgs)

ProcessSelection(RowColumnIndex, RowColumnIndex, Boolean)

Process the selection of the given row and column index.

Declaration

protected void ProcessSelection(RowColumnIndex rowColumnIndex, RowColumnIndex previousRowColumnIndex, bool needToSelectWholeRow = false)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row and column index to be processed for selection.
RowColumnIndex	previousRowColumnIndex	The previous row and column index of current cell.
System.Boolean	needToSelectWholeRow	A value indicating whether to select cells in whole row.

ProcessSelectionAndCurrentCell(RowColumnIndex)

Process the cell selection with current cell.

Declaration

protected override void ProcessSelectionAndCurrentCell(RowColumnIndex rowColumnIndex)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row and column index of the cell.

Overrides

SelectionControllerBase.ProcessSelectionAndCurrentCell(RowColumnIndex)

ProcessShiftCtrlModifiersKeys(KeyEventArgs)

Process the navigation cell selection for the Shift + Ctrl modifier keys.

Declaration

protected override void ProcessShiftCtrlModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessShiftCtrlModifiersKeys(KeyEventArgs)

ProcessShiftModifiersKeys(KeyEventArgs)

Process the cell selection for the shift modifier keys.

Declaration

protected override void ProcessShiftModifiersKeys(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessShiftModifiersKeys(KeyEventArgs)

ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

Process the cell collection for Source collection changed.

Declaration

protected override void ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs e, CollectionChangedReason reason)

Parameters

Type	Name	Description
System.Collections.Specialized.NotifyCollectionChangedEventArgs	e	The NotifyCollectionChangedEventArgs that contains event data.
CollectionChangedReason	reason	The CollectionChangedReason.

Overrides

SelectionControllerBase.ProcessSourceCollectionChanged(NotifyCollectionChangedEventArgs, CollectionChangedReason)

ProcessSpecialKeysForSingleMultiple(KeyEventArgs)

Process the cell selection for special keys in single and multiple modes.

Declaration

protected override void ProcessSpecialKeysForSingleMultiple(KeyEventArgs args)

Parameters

Type	Name	Description
System.Windows.Forms.KeyEventArgs	args	The System.Windows.Forms.KeyEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessSpecialKeysForSingleMultiple(KeyEventArgs)

ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs)

Overriden to process the cell selection when unbound row changed.

Declaration

protected override void ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs args)

Parameters

Type	Name	Description
UnboundRowCollectionChangedEventArgs	args	The UnboundRowCollectionChangedEventArgs that contains the event data.

Overrides

SelectionControllerBase.ProcessUnboundRowChanged(UnboundRowCollectionChangedEventArgs)

ResetSelection(RowColumnIndex, List<Object>)

Resets the selection.

Declaration

protected void ResetSelection(RowColumnIndex rowColumnIndex, List<object> removedItems)

Parameters

Type	Name	Description
RowColumnIndex	rowColumnIndex	The row and column index of the cell to be selected.
System.Collections.Generic.List<System.Object>	removedItems	The collection of cells that needs to removed from selection.

UpdateCurrentCell()

Updates the current cell based on the CurrentItem.

Declaration

protected override void UpdateCurrentCell()

Overrides

SelectionControllerBase.UpdateCurrentCell()