javafx.scene.control

Class TreeView.TreeViewFocusModel<T>

java.lang.Object

javafx.scene.control.FocusModel<TreeItem<T>>

javafx.scene.control.TreeView.TreeViewFocusModel<T>

Type Parameters:

T -

Enclosing class:

TreeView<T>

static class TreeView.TreeViewFocusModel<T>
extends FocusModel<TreeItem<T>>

Property Summary

Properties inherited from class javafx.scene.control.FocusModel

focusedIndex, focusedItem

Constructor Summary

Constructors

Constructor and Description
TreeView.TreeViewFocusModel(TreeView<T> treeView)

Method Summary

Methods

Modifier and Type	Method and Description
protected int	getItemCount() Returns the number of items in the data model that underpins the control.
protected TreeItem<T>	getModelItem(int index) Returns the item at the given index.

Methods inherited from class javafx.scene.control.FocusModel

focus, focusedIndexProperty, focusedItemProperty, focusNext, focusPrevious, getFocusedIndex, getFocusedItem, isFocused

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeView.TreeViewFocusModel

public TreeView.TreeViewFocusModel(TreeView<T> treeView)

Method Detail

getItemCount

protected int getItemCount()

Description copied from class: FocusModel

Returns the number of items in the data model that underpins the control. An example would be that a ListView focus model would likely return listView.getItems().size(). The valid range of focusable indices is between 0 and whatever is returned by this method.

Specified by:

getItemCount in class FocusModel<TreeItem<T>>

getModelItem

protected TreeItem<T> getModelItem(int index)

Description copied from class: FocusModel

Returns the item at the given index. An example using ListView would be listView.getItems().get(index).

Specified by:

getModelItem in class FocusModel<TreeItem<T>>

Parameters:

index - The index of the item that is requested from the underlying data model.

Returns:

Returns null if the index is out of bounds, or an element of type T that is related to the given index.