Module javafx.controls
Package javafx.scene.control.skin

# Class ComboBoxBaseSkin<T>

java.lang.Object
javafx.scene.control.SkinBase<ComboBoxBase<T>>
javafx.scene.control.skin.ComboBoxBaseSkin<T>

Type Parameters:
  `T` - The type of the ComboBox-like control.

All Implemented Interfaces:
  `Skin<ComboBoxBase<T>>`

Direct Known Subclasses:
  `ComboBoxPopupControl`

public abstract class ComboBoxBaseSkin<T> extends SkinBase<ComboBoxBase<T>>
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`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ComboBoxBaseSkin(ComboBoxBase<T> 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
  Description
  `abstract Node`
  `getDisplayNode()`
  This method should return a Node that will be positioned within the ComboBox 'button' area.
  `abstract void`
  `hide()`
  This method will be called when the ComboBox popup should be hidden.
  `abstract void`
  `show()`
  This method will be called when the ComboBox popup should be displayed.

  ### Methods declared in class javafx.scene.control.SkinBase

  `computeBaselineOffset, computeMaxHeight, computeMaxWidth, computeMinHeight, computeMinWidth, computePrefHeight, computePrefWidth, consumeMouseEvents, dispose, 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

  - ### ComboBoxBaseSkin

    public ComboBoxBaseSkin(ComboBoxBase<T> 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 Details

  - ### 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.