javafx.scene.control.skin

Class ComboBoxBaseSkin<T>

java.lang.Object

<any>

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

Type Parameters:

T - The type of the ComboBox-like control.

Direct Known Subclasses:

ComboBoxPopupControl

public abstract class ComboBoxBaseSkin<T>
extends <any>

An abstract class intended to be used as the base skin for ComboBox-like controls that are based on ComboBoxBase. Most users of this skin class would be well-advised to also look at ComboBoxPopupControl for additional useful API.

Since:

9

See Also:

ComboBoxBase, ComboBoxPopupControl

Field Summary

Fields

Modifier and Type	Field and Description
(package private) Region	arrow
(package private) StackPane	arrowButton
private Node	displayNode * Private Fields * *
private ComboBoxMode	mode The mode in which this control will be represented.
private <any>	mouseEnteredEventHandler
private <any>	mouseExitedEventHandler
private <any>	mousePressedEventHandler
private <any>	mouseReleasedEventHandler

Constructor Summary

Constructors

Constructor and Description
ComboBoxBaseSkin(<any> control) Creates a new instance of ComboBoxBaseSkin, although note that this instance does not handle any behavior / input mappings - this needs to be handled appropriately by subclasses.

Method Summary

Modifier and Type	Method and Description
protected double	computeBaselineOffset(double topInset, double rightInset, double bottomInset, double leftInset)
protected double	computeMaxHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset)
protected double	computeMaxWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset)
protected double	computePrefHeight(double width, double topInset, double rightInset, double bottomInset, double leftInset)
protected double	computePrefWidth(double height, double topInset, double rightInset, double bottomInset, double leftInset)
(package private) void	focusLost()
(package private) ComboBoxBaseBehavior	getBehavior() * Private implementation * *
abstract Node	getDisplayNode() This method should return a Node that will be positioned within the ComboBox 'button' area.
(package private) ComboBoxMode	getMode()
abstract void	hide() This method will be called when the ComboBox popup should be hidden.
private boolean	isButton()
protected void	layoutChildren(double x, double y, double w, double h)
(package private) void	setMode(ComboBoxMode value)
abstract void	show() This method will be called when the ComboBox popup should be displayed.
private void	updateArrowButtonListeners()
(package private) void	updateDisplayArea()

Methods inherited from class java.lang.Object

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

Field Detail

displayNode

private Node displayNode

* Private Fields * *

arrowButton

StackPane arrowButton

arrow

Region arrow

mode

private ComboBoxMode mode

The mode in which this control will be represented.

mouseEnteredEventHandler

private final <any> mouseEnteredEventHandler

mousePressedEventHandler

private final <any> mousePressedEventHandler

mouseReleasedEventHandler

private final <any> mouseReleasedEventHandler

mouseExitedEventHandler

private final <any> mouseExitedEventHandler

Constructor Detail

ComboBoxBaseSkin

public ComboBoxBaseSkin(<any> control)

Creates a new instance of ComboBoxBaseSkin, although note that this instance does not handle any behavior / input mappings - this needs to be handled appropriately by subclasses.

Parameters:

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

Method Detail

getMode

final ComboBoxMode getMode()

setMode

final void setMode(ComboBoxMode value)

getDisplayNode

public abstract Node getDisplayNode()

This method should return a Node that will be positioned within the ComboBox 'button' area.

Returns:

the node that will be positioned within the ComboBox 'button' area

show

public abstract void show()

This method will be called when the ComboBox popup should be displayed. It is up to specific skin implementations to determine how this is handled.

hide

public abstract void hide()

This method will be called when the ComboBox popup should be hidden. It is up to specific skin implementations to determine how this is handled.

layoutChildren

protected void layoutChildren(double x,
                              double y,
                              double w,
                              double h)

computePrefWidth

protected double computePrefWidth(double height,
                                  double topInset,
                                  double rightInset,
                                  double bottomInset,
                                  double leftInset)

computePrefHeight

protected double computePrefHeight(double width,
                                   double topInset,
                                   double rightInset,
                                   double bottomInset,
                                   double leftInset)

computeMaxWidth

protected double computeMaxWidth(double height,
                                 double topInset,
                                 double rightInset,
                                 double bottomInset,
                                 double leftInset)

computeMaxHeight

protected double computeMaxHeight(double width,
                                  double topInset,
                                  double rightInset,
                                  double bottomInset,
                                  double leftInset)

computeBaselineOffset

protected double computeBaselineOffset(double topInset,
                                       double rightInset,
                                       double bottomInset,
                                       double leftInset)

getBehavior

ComboBoxBaseBehavior getBehavior()

* Private implementation * *

focusLost

void focusLost()

isButton

private boolean isButton()

updateArrowButtonListeners

private void updateArrowButtonListeners()

updateDisplayArea

void updateDisplayArea()