FlexGridDelegate Protocol Reference

Conforms to	XuniViewDelegate
Declared in	FlexGrid.h

`– autoGeneratingColumn:withPropertyInfo:column:`

Occurs when auto generating a column

- (BOOL)autoGeneratingColumn:(FlexGrid *_Nonnull)sender withPropertyInfo:(XuniPropertyInfo *_Nonnull)propertyInfo column:(GridColumn *_Nonnull)column

Parameters

`sender`	the sender FlexGrid object.
`propertyInfo`	the specified property.
`column`	the specified column.

Return Value

a boolean value that determines the cancelling of the column generation

Discussion

Occurs when auto generating a column

Declared In

FlexGrid.h

`– resizedColumn:column:`

Occurs after resizing a column

- (void)resizedColumn:(FlexGrid *_Nonnull)sender column:(GridColumn *_Nonnull)column

Parameters

`sender`	the sender FlexGrid object.
`column`	the specified column.

Return Value

a boolean value that determines the cancelling of the column generation

Discussion

Occurs after resizing a column

Declared In

FlexGrid.h

`– droppedCaches:`

Occurs before the FlexGrid caches were dropped.

- (void)droppedCaches:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the FlexGrid whose caches are dropped.

Discussion

Occurs before the FlexGrid caches were dropped.

Declared In

FlexGrid.h

`– invalidated:`

Occurs before the FlexGrid is being invalidated.

- (void)invalidated:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the object invalidated.

Discussion

Occurs before the FlexGrid is being invalidated.

Declared In

FlexGrid.h

`– formatItem:panel:forRange:inContext:`

Occurs when an element representing a cell has been created.

- (bool)formatItem:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range inContext:(CGContextRef _Nonnull)context

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.
`context`	graphics context to perform painting.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when an element representing a cell has been created.

Declared In

FlexGrid.h

`– processItemOverlay:panel:forRange:inContext:`

Occurs when cell overlay must be processed

- (bool)processItemOverlay:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range inContext:(CGContextRef _Nonnull)context

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.
`context`	graphics context to perform painting.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when cell overlay must be processed

Declared In

FlexGrid.h

`– cellTapped:panel:forRange:`

Occurs when FlexGrid cell being tapped

- (bool)cellTapped:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nullable)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when FlexGrid cell being tapped

Declared In

FlexGrid.h

`– cellDoubleTapped:panel:forRange:`

Occurs when FlexGrid cell being double tapped

- (bool)cellDoubleTapped:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nullable)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when FlexGrid cell being double tapped

Declared In

FlexGrid.h

`– beginningEdit:panel:forRange:`

Occurs before a cell enters edit mode.

- (bool)beginningEdit:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs before a cell enters edit mode.

Declared In

FlexGrid.h

`– cellEditEnding:panel:forRange:cancel:`

Occurs when a cell edit is ending.

- (bool)cellEditEnding:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range cancel:(BOOL)cancel

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.
`cancel`	is the event processing cancelled on previous step

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when a cell edit is ending.

Declared In

FlexGrid.h

`– cellEditEnded:panel:forRange:`

Occurs when a cell has been commmitted or canceled.

- (void)cellEditEnded:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Discussion

Occurs when a cell has been commmitted or canceled.

Declared In

FlexGrid.h

`– prepareCellForEdit:panel:forRange:`

Occurs when an editor cell is created and before it becomes active.

- (bool)prepareCellForEdit:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when an editor cell is created and before it becomes active.

Declared In

FlexGrid.h

`– itemsSourceChanged:`

Occurs after the grid has been bound to a new items source.

- (void)itemsSourceChanged:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the sender object.

Discussion

Occurs after the grid has been bound to a new items source.

Declared In

FlexGrid.h

`– loadingRows:`

Occurs before the grid rows are bound to items in the data source.

- (bool)loadingRows:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the sender object.

Discussion

Occurs before the grid rows are bound to items in the data source.

Declared In

FlexGrid.h

`– loadedRows:`

Occurs after the grid rows have been bound to items in the data source.

- (void)loadedRows:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the sender object.

Discussion

Occurs after the grid rows have been bound to items in the data source.

Declared In

FlexGrid.h

`– groupCollapsedChanging:panel:forRange:`

Occurs when a group is about to be expanded or collapsed.

- (bool)groupCollapsedChanging:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs when a group is about to be expanded or collapsed.

Declared In

FlexGrid.h

`– groupCollapsedChanged:panel:forRange:`

Occurs after a group has been expanded or collapsed.

- (void)groupCollapsedChanged:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Discussion

Occurs after a group has been expanded or collapsed.

Declared In

FlexGrid.h

`– scrollPositionChanged:`

Occurs after the control has scrolled.

- (void)scrollPositionChanged:(FlexGrid *_Nonnull)sender

Parameters

`sender`	the sender object.

Discussion

Occurs after the control has scrolled.

Declared In

FlexGrid.h

`– selectionChanging:panel:forRange:`

Occurs before selection changes.

- (bool)selectionChanging:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nullable)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs before selection changes.

Declared In

FlexGrid.h

`– selectionChanged:panel:forRange:`

Occurs after selection changes.

- (void)selectionChanged:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nullable)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Discussion

Occurs after selection changes.

Declared In

FlexGrid.h

`– sortingColumn:panel:forRange:`

Occurs before the user applies a sort by tapping a column header.

- (bool)sortingColumn:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Return Value

true to cancel further processing, false to proceed by default

Discussion

Occurs before the user applies a sort by tapping a column header.

Declared In

FlexGrid.h

`– sortedColumn:panel:forRange:`

Occurs after the user applies a sort by tapping a column header.

- (void)sortedColumn:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nonnull)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Discussion

Occurs after the user applies a sort by tapping a column header.

Declared In

FlexGrid.h

`– cellLongPressed:panel:forRange:`

Occurs after the user performs a long press gesture

- (void)cellLongPressed:(FlexGrid *_Nonnull)sender panel:(GridPanel *_Nonnull)panel forRange:(GridCellRange *_Nullable)range

Parameters

`sender`	the FlexGrid sender object.
`panel`	the FlexGridPanel event appears on.
`range`	the specified cell range.

Discussion

Occurs after the user performs a long press gesture

Declared In

FlexGrid.h

FlexGridDelegate Protocol Reference

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