com.vaadin.ui
Class Grid.SingleSelectionModel

java.lang.Object
  com.vaadin.ui.Grid.AbstractSelectionModel
      com.vaadin.ui.Grid.SingleSelectionModel

All Implemented Interfaces:

Grid.SelectionModel, Grid.SelectionModel.Single, java.io.Serializable

Enclosing class:

Grid

public static class Grid.SingleSelectionModel
extends Grid.AbstractSelectionModel
implements Grid.SelectionModel.Single

A default implementation of a Grid.SelectionModel.Single

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.ui.Grid.SelectionModel

Grid.SelectionModel.Multi, Grid.SelectionModel.None, Grid.SelectionModel.Single

Field Summary

Fields inherited from class com.vaadin.ui.Grid.AbstractSelectionModel

grid, selection

Constructor Summary

Grid.SingleSelectionModel()

Method Summary

java.lang.Object	getSelectedRow() Gets the item id of the currently selected item.
boolean	isDeselectAllowed() Sets whether it's allowed to deselect the selected row through the UI.
void	reset() Resets the selection state.
boolean	select(java.lang.Object itemId) Marks an item as selected.
void	setDeselectAllowed(boolean deselectAllowed) Sets whether it's allowed to deselect the selected row through the UI.

Methods inherited from class com.vaadin.ui.Grid.AbstractSelectionModel

checkItemIdExists, checkItemIdsExist, fireSelectionEvent, getSelectedRows, isSelected, setGrid

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.ui.Grid.SelectionModel

getSelectedRows, isSelected, setGrid

Constructor Detail

Grid.SingleSelectionModel

public Grid.SingleSelectionModel()

Method Detail

select

public boolean select(java.lang.Object itemId)

Description copied from interface: Grid.SelectionModel.Single

Marks an item as selected.

Specified by:

select in interface Grid.SelectionModel.Single

Parameters:

itemId - the itemId to mark as selected; null for deselect

Returns:

true if the selection state changed. false if the itemId already was selected

getSelectedRow

public java.lang.Object getSelectedRow()

Description copied from interface: Grid.SelectionModel.Single

Gets the item id of the currently selected item.

Specified by:

getSelectedRow in interface Grid.SelectionModel.Single

Returns:

the item id of the currently selected item, or null if nothing is selected

reset

public void reset()

Resets the selection state.

If an item is selected, it will become deselected.

Specified by:

reset in interface Grid.SelectionModel

setDeselectAllowed

public void setDeselectAllowed(boolean deselectAllowed)

Description copied from interface: Grid.SelectionModel.Single

Sets whether it's allowed to deselect the selected row through the UI. Deselection is allowed by default.

Specified by:

setDeselectAllowed in interface Grid.SelectionModel.Single

Parameters:

deselectAllowed - true if the selected row can be deselected without selecting another row instead; otherwise false.

isDeselectAllowed

public boolean isDeselectAllowed()

Description copied from interface: Grid.SelectionModel.Single

Sets whether it's allowed to deselect the selected row through the UI.

Specified by:

isDeselectAllowed in interface Grid.SelectionModel.Single

Returns:

true if deselection is allowed; otherwise false