BasicComboBoxEditor (Java Platform SE 8 ) (original) (raw)

• java.lang.Object

• • javax.swing.plaf.basic.BasicComboBoxEditor

• All Implemented Interfaces:
  FocusListener, EventListener, ComboBoxEditor
  Direct Known Subclasses:
  BasicComboBoxEditor.UIResource, MetalComboBoxEditor

public class BasicComboBoxEditor
extends Object
implements ComboBoxEditor, FocusListener
The default editor for editable combo boxes. The editor is implemented as a JTextField.

• • Nested Class Summary

  Nested Classes

  Modifier and Type	Class	Description
  static class	BasicComboBoxEditor.UIResource	A subclass of BasicComboBoxEditor that implements UIResource.

  • Field Summary

  Fields

  Modifier and Type	Field	Description
  protected JTextField	editor

  • Constructor Summary

  Constructors

  Constructor	Description
  BasicComboBoxEditor()

  • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method	Description
  void	addActionListener(ActionListener l)	Add an ActionListener.
  protected JTextField	createEditorComponent()	Creates the internal editor component.
  void	focusGained(FocusEvent e)	Invoked when a component gains the keyboard focus.
  void	focusLost(FocusEvent e)	Invoked when a component loses the keyboard focus.
  Component	getEditorComponent()	Return the component that should be added to the tree hierarchy for this editor
  Object	getItem()	Return the edited item
  void	removeActionListener(ActionListener l)	Remove an ActionListener
  void	selectAll()	Ask the editor to start editing and to select everything
  void	setItem(Object anObject)	Sets the item that should be edited.

     * ### Methods inherited from class java.lang.[Object](../../../../java/lang/Object.html "class in java.lang")  
     `[clone](../../../../java/lang/Object.html#clone--), [equals](../../../../java/lang/Object.html#equals-java.lang.Object-), [finalize](../../../../java/lang/Object.html#finalize--), [getClass](../../../../java/lang/Object.html#getClass--), [hashCode](../../../../java/lang/Object.html#hashCode--), [notify](../../../../java/lang/Object.html#notify--), [notifyAll](../../../../java/lang/Object.html#notifyAll--), [toString](../../../../java/lang/Object.html#toString--), [wait](../../../../java/lang/Object.html#wait--), [wait](../../../../java/lang/Object.html#wait-long-), [wait](../../../../java/lang/Object.html#wait-long-int-)`

• • Field Detail

     * #### editor  
     protected [JTextField](../../../../javax/swing/JTextField.html "class in javax.swing") editor  

  • Constructor Detail

    * #### BasicComboBoxEditor  
    public BasicComboBoxEditor()  

  • Method Detail

    * #### getEditorComponent  
    public [Component](../../../../java/awt/Component.html "class in java.awt") getEditorComponent()  
    Return the component that should be added to the tree hierarchy for this editor  
    Specified by:  
    `[getEditorComponent](../../../../javax/swing/ComboBoxEditor.html#getEditorComponent--)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`  
    * #### createEditorComponent  
    protected [JTextField](../../../../javax/swing/JTextField.html "class in javax.swing") createEditorComponent()  
    Creates the internal editor component. Override this to provide a custom implementation.  
    Returns:  
    a new editor component  
    Since:  
    1.6  
    * #### setItem  
    public void setItem([Object](../../../../java/lang/Object.html "class in java.lang") anObject)  
    Sets the item that should be edited.  
    Specified by:  
    `[setItem](../../../../javax/swing/ComboBoxEditor.html#setItem-java.lang.Object-)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`  
    Parameters:  
    `anObject` \- the displayed value of the editor  
    * #### getItem  
    public [Object](../../../../java/lang/Object.html "class in java.lang") getItem()  
    Return the edited item  
    Specified by:  
    `[getItem](../../../../javax/swing/ComboBoxEditor.html#getItem--)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`  
    * #### selectAll  
    public void selectAll()  
    Ask the editor to start editing and to select everything  
    Specified by:  
    `[selectAll](../../../../javax/swing/ComboBoxEditor.html#selectAll--)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`  
    * #### focusGained  
    public void focusGained([FocusEvent](../../../../java/awt/event/FocusEvent.html "class in java.awt.event") e)  
    Invoked when a component gains the keyboard focus.  
    Specified by:  
    `[focusGained](../../../../java/awt/event/FocusListener.html#focusGained-java.awt.event.FocusEvent-)` in interface `[FocusListener](../../../../java/awt/event/FocusListener.html "interface in java.awt.event")`  
    * #### focusLost  
    public void focusLost([FocusEvent](../../../../java/awt/event/FocusEvent.html "class in java.awt.event") e)  
    Invoked when a component loses the keyboard focus.  
    Specified by:  
    `[focusLost](../../../../java/awt/event/FocusListener.html#focusLost-java.awt.event.FocusEvent-)` in interface `[FocusListener](../../../../java/awt/event/FocusListener.html "interface in java.awt.event")`  
    * #### addActionListener  
    public void addActionListener([ActionListener](../../../../java/awt/event/ActionListener.html "interface in java.awt.event") l)  
    Add an ActionListener. An action event is generated when the edited item changes  
    Specified by:  
    `[addActionListener](../../../../javax/swing/ComboBoxEditor.html#addActionListener-java.awt.event.ActionListener-)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`  
    * #### removeActionListener  
    public void removeActionListener([ActionListener](../../../../java/awt/event/ActionListener.html "interface in java.awt.event") l)  
    Remove an ActionListener  
    Specified by:  
    `[removeActionListener](../../../../javax/swing/ComboBoxEditor.html#removeActionListener-java.awt.event.ActionListener-)` in interface `[ComboBoxEditor](../../../../javax/swing/ComboBoxEditor.html "interface in javax.swing")`

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