com.vaadin.flow.component.grid

Class GridNoneSelectionModel<T>

java.lang.Object

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

Type Parameters:

T - the grid bean type

All Implemented Interfaces:

GridSelectionModel<T>, SelectionModel<Grid<T>,T>, Serializable

public class GridNoneSelectionModel<T>
extends Object
implements GridSelectionModel<T>

Selection model implementation for disabling selection in Grid.

See Also:

Serialized Form

Nested Class Summary

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

SelectionModel.Multi<C extends Component,T>, SelectionModel.Single<C extends Component,T>

Constructor Summary

Constructors

Constructor and Description
GridNoneSelectionModel()

Method Summary

Modifier and Type	Method and Description
Registration	addSelectionListener(SelectionListener<Grid<T>,T> listener) Adds a generic listener to this selection model, accepting both single and multiselection events.
void	deselect(T item) Deselects the given item.
void	deselectAll() Deselects all currently selected items, if any.
void	deselectFromClient(T item) Handles the deselection of an item that originates from the client.
Optional<T>	getFirstSelectedItem() Get first selected data item.
Set<T>	getSelectedItems() Returns an immutable set of the currently selected items.
void	select(T item) Selects the given item.
void	selectFromClient(T item) Handles the selection of an item that originates from the client.

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

isSelected

Constructor Detail

GridNoneSelectionModel

public GridNoneSelectionModel()

Method Detail

getSelectedItems

public Set<T> getSelectedItems()

Description copied from interface: SelectionModel

Returns an immutable set of the currently selected items. It is safe to invoke other SelectionModel methods while iterating over the set.

Implementation note: the iteration order of the items in the returned set should be well-defined and documented by the implementing class.

Specified by:

getSelectedItems in interface SelectionModel<Grid<T>,T>

Returns:

the items in the current selection, not null

getFirstSelectedItem

public Optional<T> getFirstSelectedItem()

Description copied from interface: SelectionModel

Get first selected data item.

This is the same as SelectionModel.Single.getSelectedItem() in case of single selection and the first selected item from SelectionModel.getSelectedItems() in case of multiselection.

Specified by:

getFirstSelectedItem in interface SelectionModel<Grid<T>,T>

Returns:

the first selected item.

select

public void select(T item)

Description copied from interface: SelectionModel

Selects the given item. Depending on the implementation, may cause other items to be deselected. If the item is already selected, does nothing.

Specified by:

select in interface SelectionModel<Grid<T>,T>

Parameters:

item - the item to select, not null

deselect

public void deselect(T item)

Description copied from interface: SelectionModel

Deselects the given item. If the item is not currently selected, does nothing.

Specified by:

deselect in interface SelectionModel<Grid<T>,T>

Parameters:

item - the item to deselect, not null

deselectAll

public void deselectAll()

Description copied from interface: SelectionModel

Deselects all currently selected items, if any.

Specified by:

deselectAll in interface SelectionModel<Grid<T>,T>

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

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 beign deselected

addSelectionListener

public Registration addSelectionListener(SelectionListener<Grid<T>,T> listener)

Description copied from interface: SelectionModel

Adds a generic listener to this selection model, accepting both single and multiselection events.

Specified by:

addSelectionListener in interface SelectionModel<Grid<T>,T>

Parameters:

listener - the listener to add, not null

Returns:

a registration handle for removing the listener