javafx.scene.control

Class ComboBox.ComboBoxSelectionModel<T>

java.lang.Object

javafx.scene.control.SelectionModel<T>

javafx.scene.control.SingleSelectionModel<T>

javafx.scene.control.ComboBox.ComboBoxSelectionModel<T>

Enclosing class:

ComboBox<T>

static class ComboBox.ComboBoxSelectionModel<T>
extends SingleSelectionModel<T>

Field Summary

Fields

Modifier and Type	Field and Description
private ComboBox<T>	comboBox
private ListChangeListener<T>	itemsContentObserver
private InvalidationListener	itemsObserver
private WeakListChangeListener<T>	weakItemsContentObserver

Constructor Summary

Constructors

Constructor and Description
ComboBoxSelectionModel(ComboBox<T> cb)

Method Summary

Modifier and Type	Method and Description
protected int	getItemCount() Gets the number of items available for the selection model.
protected T	getModelItem(int index) Gets the data model item associated with a specific index.
private void	updateItemsObserver(ObservableList<T> oldList, ObservableList<T> newList)

Methods inherited from class javafx.scene.control.SingleSelectionModel

clearAndSelect, clearSelection, clearSelection, isEmpty, isSelected, select, select, selectFirst, selectLast, selectNext, selectPrevious

Methods inherited from class javafx.scene.control.SelectionModel

getSelectedIndex, getSelectedItem, selectedIndexProperty, selectedItemProperty, setSelectedIndex, setSelectedItem

Methods inherited from class java.lang.Object

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

Field Detail

comboBox

private final ComboBox<T> comboBox

itemsContentObserver

private final ListChangeListener<T> itemsContentObserver

itemsObserver

private final InvalidationListener itemsObserver

weakItemsContentObserver

private WeakListChangeListener<T> weakItemsContentObserver

Constructor Detail

ComboBoxSelectionModel

public ComboBoxSelectionModel(ComboBox<T> cb)

Method Detail

updateItemsObserver

private void updateItemsObserver(ObservableList<T> oldList,
                                 ObservableList<T> newList)

getModelItem

protected T getModelItem(int index)

Description copied from class: SingleSelectionModel

Gets the data model item associated with a specific index.

Specified by:

getModelItem in class SingleSelectionModel<T>

Parameters:

index - The position of the item in the underlying data model.

Returns:

The item that exists at the given index.

getItemCount

protected int getItemCount()

Description copied from class: SingleSelectionModel

Gets the number of items available for the selection model. If the number of items can change dynamically, it is the responsibility of the concrete SingleSelectionModel implementation to ensure that items are selected or unselected as appropriate as the items change.

Specified by:

getItemCount in class SingleSelectionModel<T>

Returns:

A number greater than or equal to 0.