com.vaadin.flow.component.grid

Class AbstractGridSingleSelectionModel<T>

java.lang.Object

com.vaadin.flow.component.grid.Grid.AbstractGridExtension<T>

com.vaadin.flow.component.grid.AbstractGridSingleSelectionModel<T>

Type Parameters:

T - the grid type

All Implemented Interfaces:

GridSelectionModel<T>, GridSingleSelectionModel<T>, com.vaadin.flow.data.provider.DataGenerator<T>, com.vaadin.flow.data.selection.SelectionModel<Grid<T>,T>, com.vaadin.flow.data.selection.SelectionModel.Single<Grid<T>,T>, Serializable

public abstract class AbstractGridSingleSelectionModel<T>
extends Grid.AbstractGridExtension<T>
implements GridSingleSelectionModel<T>

Abstract implementation of a GridSingleSelectionModel.

Author:

Vaadin Ltd.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.flow.data.selection.SelectionModel

com.vaadin.flow.data.selection.SelectionModel.Multi<C extends com.vaadin.flow.component.Component,T>, com.vaadin.flow.data.selection.SelectionModel.Single<C extends com.vaadin.flow.component.Component,T>

Constructor Summary

Constructors

Constructor and Description
AbstractGridSingleSelectionModel(Grid<T> grid) Constructor for passing a reference of the grid to this implementation.

Method Summary

Modifier and Type	Method and Description
com.vaadin.flow.shared.Registration	addSelectionListener(com.vaadin.flow.data.selection.SelectionListener<Grid<T>,T> listener)
com.vaadin.flow.shared.Registration	addSingleSelectionListener(com.vaadin.flow.data.selection.SingleSelectionListener<Grid<T>,T> listener) Adds a selection listener that will be called when the selection is changed either by the user or programmatically.
com.vaadin.flow.data.selection.SingleSelect<Grid<T>,T>	asSingleSelect() Gets a wrapper to use this single selection model as a single select in Binder.
void	deselect(T item)
void	deselectFromClient(T item) Handles the deselection of an item that originates from the client.
protected abstract void	fireSelectionEvent(com.vaadin.flow.data.selection.SelectionEvent<Grid<T>,T> event) Method for handling the firing of selection events.
void	generateData(T item, elemental.json.JsonObject jsonObject)
Optional<T>	getSelectedItem()
boolean	isDeselectAllowed()
protected void	remove() Remove this extension from its target.
void	select(T item)
void	selectFromClient(T item) Handles the selection of an item that originates from the client.
void	setDeselectAllowed(boolean deselectAllowed)

Methods inherited from class com.vaadin.flow.component.grid.Grid.AbstractGridExtension

extend, getGrid, refresh

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.data.selection.SelectionModel.Single

deselectAll, getFirstSelectedItem, getSelectedItems, setSelectedItem

Methods inherited from interface com.vaadin.flow.data.selection.SelectionModel

isSelected

Methods inherited from interface com.vaadin.flow.data.provider.DataGenerator

destroyAllData, destroyData, refreshData

Constructor Detail

AbstractGridSingleSelectionModel

public AbstractGridSingleSelectionModel(Grid<T> grid)

Constructor for passing a reference of the grid to this implementation.

Parameters:

grid - reference to the grid for which this selection model is created

Method Detail

selectFromClient

public void selectFromClient(T item)

Description copied from interface: GridSelectionModel

Handles the selection of an item that originates from the client.

Specified by:

selectFromClient in interface GridSelectionModel<T>

Parameters:

item - the item being selected

select

public void select(T item)

Specified by:

select in interface com.vaadin.flow.data.selection.SelectionModel<Grid<T>,T>

Specified by:

select in interface com.vaadin.flow.data.selection.SelectionModel.Single<Grid<T>,T>

deselectFromClient

public void deselectFromClient(T item)

Description copied from interface: GridSelectionModel

Handles the deselection of an item that originates from the client.

Specified by:

deselectFromClient in interface GridSelectionModel<T>

Parameters:

item - the item being deselected

deselect

public void deselect(T item)

Specified by:

deselect in interface com.vaadin.flow.data.selection.SelectionModel<Grid<T>,T>

getSelectedItem

public Optional<T> getSelectedItem()

Specified by:

getSelectedItem in interface com.vaadin.flow.data.selection.SelectionModel.Single<Grid<T>,T>

setDeselectAllowed

public void setDeselectAllowed(boolean deselectAllowed)

Specified by:

setDeselectAllowed in interface com.vaadin.flow.data.selection.SelectionModel.Single<Grid<T>,T>

isDeselectAllowed

public boolean isDeselectAllowed()

Specified by:

isDeselectAllowed in interface com.vaadin.flow.data.selection.SelectionModel.Single<Grid<T>,T>

asSingleSelect

public com.vaadin.flow.data.selection.SingleSelect<Grid<T>,T> asSingleSelect()

Description copied from interface: GridSingleSelectionModel

Gets a wrapper to use this single selection model as a single select in Binder.

Specified by:

asSingleSelect in interface GridSingleSelectionModel<T>

Returns:

the single select wrapper

addSelectionListener

public com.vaadin.flow.shared.Registration addSelectionListener(com.vaadin.flow.data.selection.SelectionListener<Grid<T>,T> listener)

Specified by:

addSelectionListener in interface com.vaadin.flow.data.selection.SelectionModel<Grid<T>,T>

addSingleSelectionListener

public com.vaadin.flow.shared.Registration addSingleSelectionListener(com.vaadin.flow.data.selection.SingleSelectionListener<Grid<T>,T> listener)

Description copied from interface: GridSingleSelectionModel

Adds a selection listener that will be called when the selection is changed either by the user or programmatically.

Specified by:

addSingleSelectionListener in interface GridSingleSelectionModel<T>

Parameters:

listener - the single selection listener, not null

Returns:

a registration for the listener

generateData

public void generateData(T item,
                         elemental.json.JsonObject jsonObject)

Specified by:

generateData in interface com.vaadin.flow.data.provider.DataGenerator<T>

remove

protected void remove()

Description copied from class: Grid.AbstractGridExtension

Remove this extension from its target.

Overrides:

remove in class Grid.AbstractGridExtension<T>

fireSelectionEvent

protected abstract void fireSelectionEvent(com.vaadin.flow.data.selection.SelectionEvent<Grid<T>,T> event)

Method for handling the firing of selection events.

Parameters:

event - the selection event to fire