Package com.vaadin.client.widget.grid.selection

Class SelectionModelNone<T>

java.lang.Object

com.vaadin.client.widget.grid.selection.AbstractRowHandleSelectionModel<T>

com.vaadin.client.widget.grid.selection.SelectionModelNone<T>

All Implemented Interfaces:

SelectionModel<T>, SelectionModel.None<T>

public class SelectionModelNone<T>
extends AbstractRowHandleSelectionModel<T>
implements SelectionModel.None<T>

No-row selection model.

Since:

7.4

Author:

Vaadin Ltd

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel

SelectionModel.Multi<T>, SelectionModel.None<T>, SelectionModel.Single<T>

Constructor Summary

Constructors

Constructor	Description
SelectionModelNone()

Method Summary

Modifier and Type	Method	Description
protected boolean	deselectByHandle(DataSource.RowHandle<T> handle)	Deselect a row, based on its RowHandle.
Collection<T>	getSelectedRows()	Returns a Collection containing all selected rows.
Renderer<Boolean>	getSelectionColumnRenderer()	Return the Renderer responsible for rendering the selection column.
boolean	isSelected(T row)	Return true if the provided row is considered selected under the implementing selection model.
void	reset()	Resets the SelectionModel to the initial state.
protected boolean	selectByHandle(DataSource.RowHandle<T> handle)	Select a row, based on its RowHandle.
void	setGrid(Grid<T> grid)	Tells this SelectionModel which Grid it belongs to.

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectionModelNone

public SelectionModelNone()

Method Detail

isSelected

public boolean isSelected(T row)

Description copied from interface: SelectionModel

Return true if the provided row is considered selected under the implementing selection model.

Specified by:

isSelected in interface SelectionModel<T>

Parameters:

row - row object instance

Returns:

true, if the row given as argument is considered selected.

getSelectionColumnRenderer

public Renderer<Boolean> getSelectionColumnRenderer()

Description copied from interface: SelectionModel

Return the Renderer responsible for rendering the selection column.

Specified by:

getSelectionColumnRenderer in interface SelectionModel<T>

Returns:

a renderer instance. If null is returned, a selection column will not be drawn.

setGrid

public void setGrid(Grid<T> grid)

Description copied from interface: SelectionModel

Tells this SelectionModel which Grid it belongs to.

Implementations are free to have this be a no-op. This method is called internally by Grid.

Specified by:

setGrid in interface SelectionModel<T>

Parameters:

grid - a Grid instance; null when removing from Grid

reset

public void reset()

Description copied from interface: SelectionModel

Resets the SelectionModel to the initial state.

This method can be called internally, for example, when the attached Grid's data source changes.

Specified by:

reset in interface SelectionModel<T>

getSelectedRows

public Collection<T> getSelectedRows()

Description copied from interface: SelectionModel

Returns a Collection containing all selected rows.

Specified by:

getSelectedRows in interface SelectionModel<T>

Returns:

a non-null collection.

selectByHandle

protected boolean selectByHandle(DataSource.RowHandle<T> handle)
                          throws UnsupportedOperationException

Description copied from class: AbstractRowHandleSelectionModel

Select a row, based on its RowHandle.

Note: this method may not fire selection change events.

Specified by:

selectByHandle in class AbstractRowHandleSelectionModel<T>

Parameters:

handle - the handle to select by

Returns:

true iff the selection state was changed by this call

Throws:

UnsupportedOperationException - if the selection model does not support either handles or selection

deselectByHandle

protected boolean deselectByHandle(DataSource.RowHandle<T> handle)
                            throws UnsupportedOperationException

Description copied from class: AbstractRowHandleSelectionModel

Deselect a row, based on its RowHandle.

Note: this method may not fire selection change events.

Specified by:

deselectByHandle in class AbstractRowHandleSelectionModel<T>

Parameters:

handle - the handle to deselect by

Returns:

true iff the selection state was changed by this call

Throws:

UnsupportedOperationException - if the selection model does not support either handles or deselection