com.google.gwt.view.client
Class NoSelectionModel<T>

java.lang.Object
  com.google.gwt.view.client.SelectionModel.AbstractSelectionModel<T>
      com.google.gwt.view.client.NoSelectionModel<T>

Type Parameters:

T - the record data type

All Implemented Interfaces:

HasHandlers, ProvidesKey<T>, SelectionChangeEvent.HasSelectionChangedHandlers, SelectionModel<T>

public class NoSelectionModel<T>
extends SelectionModel.AbstractSelectionModel<T>

A selection model that does not allow selection, but fires selection change events. Use this model if you want to know when a user selects an item, but do not want the view to update based on the selection.

NoSelectionModel

public NoSelectionModel()

Constructs a NoSelectionModel without a key provider.

NoSelectionModel

public NoSelectionModel(ProvidesKey<T> keyProvider)

Constructs a NoSelectionModel with the given key provider.

Parameters:

keyProvider - an instance of ProvidesKey, or null if the item should act as its own key

getLastSelectedObject

public T getLastSelectedObject()

Gets the item that was last selected.

Returns:

the last selected item

isSelected

public boolean isSelected(T item)

Description copied from interface: SelectionModel

Check if an object is selected.

Parameters:

item - the object

Returns:

true if selected, false if not

setSelected

public void setSelected(T item,
                        boolean selected)

Description copied from interface: SelectionModel

Set the selected state of an object and fire a SelectionChangeEvent if the selection has changed. Subclasses should not fire an event in the case where selected is true and the object was already selected, or selected is false and the object was not previously selected.

Parameters:

item - the object to select or deselect

selected - true to select, false to deselect