com.vaadin.client.widget.grid
Interface EditorHandler.EditorRequest<T>

Type Parameters:

T - the row data type

Enclosing interface:

EditorHandler<T>

public static interface EditorHandler.EditorRequest<T>

A request class passed as a parameter to the editor handler methods. The request is callback-based to facilitate usage with remote or otherwise asynchronous data sources.

An implementation must call either success() or #fail(), according to whether the operation was a success or failed during execution, respectively.

Method Summary

void	failure(java.lang.String errorMessage, java.util.Collection<Grid.Column<?,T>> errorColumns) Informs Grid that an error occurred while trying to process the request.
int	getColumnIndex() Returns the index of the column being focused.
Grid<T>	getGrid() Returns the grid instance related to this editor request.
T	getRow() Returns the row data related to the row being requested.
int	getRowIndex() Returns the index of the row being requested.
Widget	getWidget(Grid.Column<?,T> column) Returns the editor widget used to edit the values of the given column.
boolean	isCompleted() Checks whether the request is completed or not.
void	success() Informs Grid that the editor request was a success.

Method Detail

getRowIndex

int getRowIndex()

Returns the index of the row being requested.

Returns:

the row index

getColumnIndex

int getColumnIndex()

Returns the index of the column being focused.

Returns:

the column index

getRow

T getRow()

Returns the row data related to the row being requested.

Returns:

the row data

getGrid

Grid<T> getGrid()

Returns the grid instance related to this editor request.

Returns:

the grid instance

getWidget

Widget getWidget(Grid.Column<?,T> column)

Returns the editor widget used to edit the values of the given column.

Parameters:

column - the column whose widget to get

Returns:

the widget related to the column

success

void success()

Informs Grid that the editor request was a success.

failure

void failure(java.lang.String errorMessage,
             java.util.Collection<Grid.Column<?,T>> errorColumns)

Informs Grid that an error occurred while trying to process the request.

Parameters:

errorMessage - and error message to show to the user, or null to not show any message.

errorColumns - a collection of columns for which an error indicator should be shown, or null if no columns should be marked as erroneous.

isCompleted

boolean isCompleted()

Checks whether the request is completed or not.

Returns:

true iff the request is completed