Module javafx.controls

Package javafx.scene.control.skin

Class TreeViewSkin<T>

java.lang.Object

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

javafx.scene.control.skin.VirtualContainerBase<TreeView<T>,TreeCell<T>>

javafx.scene.control.skin.TreeViewSkin<T>

Type Parameters:

T - the type of the item contained within the TreeItem value property for all tree items in this TreeView

All Implemented Interfaces:

Skin<TreeView<T>>

public class TreeViewSkin<T>
extends VirtualContainerBase<TreeView<T>,TreeCell<T>>

Default skin implementation for the TreeView control.

Since:

9

See Also:

• TreeView

Constructor Summary

Constructors

Constructor	Description
TreeViewSkin(TreeView control)	Creates a new TreeViewSkin instance, installing the necessary child nodes into the Control children list, as well as the necessary input mappings for handling key, mouse, etc events.

Method Summary

Modifier and Type	Method	Description
protected int	getItemCount()	Returns the total number of items in this container, including those that are currently hidden because they are out of view.
protected void	updateItemCount()	This method is called when it is possible that the item count has changed (i.e.

Methods declared in class javafx.scene.control.skin.VirtualContainerBase

createVirtualFlow, dispose, getVirtualFlow, markItemCountDirty

Methods declared in class javafx.scene.control.SkinBase

computeBaselineOffset, computeMaxHeight, computeMaxWidth, computeMinHeight, computeMinWidth, computePrefHeight, computePrefWidth, consumeMouseEvents, executeAccessibleAction, getChildren, getClassCssMetaData, getCssMetaData, getNode, getSkinnable, layoutChildren, layoutInArea, layoutInArea, layoutInArea, positionInArea, positionInArea, pseudoClassStateChanged, queryAccessibleAttribute, registerChangeListener, registerInvalidationListener, registerListChangeListener, snappedBottomInset, snappedLeftInset, snappedRightInset, snappedTopInset, snapPosition, snapPositionX, snapPositionY, snapSize, snapSizeX, snapSizeY, snapSpace, snapSpaceX, snapSpaceY, unregisterChangeListeners, unregisterInvalidationListeners, unregisterListChangeListeners

Methods declared in class java.lang.Object

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

Methods declared in interface javafx.scene.control.Skin

install

Constructor Details

TreeViewSkin

public TreeViewSkin(TreeView control)

Creates a new TreeViewSkin instance, installing the necessary child nodes into the Control children list, as well as the necessary input mappings for handling key, mouse, etc events.

Parameters:

control - The control that this skin should be installed onto.

Method Details

getItemCount

protected int getItemCount()

Returns the total number of items in this container, including those that are currently hidden because they are out of view.

Specified by:

getItemCount in class VirtualContainerBase<TreeView<T>,TreeCell<T>>

Returns:

the total number of items in this container

updateItemCount

protected void updateItemCount()

This method is called when it is possible that the item count has changed (i.e. scrolling has occurred, the control has resized, etc). This method should recalculate the item count and store that for future use by the VirtualContainerBase.getItemCount() method.

Specified by:

updateItemCount in class VirtualContainerBase<TreeView<T>,TreeCell<T>>