Class BasicComboBoxEditor

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
    An instance of JTextField.

  • Constructor Summary

    Constructors
    Constructor
    Description
    BasicComboBoxEditor()
    Constructs a new instance of BasicComboBoxEditor.

  • Method Summary

    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()
    Returns the component that should be added to the tree hierarchy for this editor
    Object
    getItem()
    Returns 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 declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    String
    toString()
    Returns a string representation of the object.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Field Details

    • editor

      protected JTextField editor
      An instance of JTextField.

  • Constructor Details

    • BasicComboBoxEditor

      public BasicComboBoxEditor()
      Constructs a new instance of BasicComboBoxEditor.

  • Method Details

    • getEditorComponent

      public Component getEditorComponent()
      Description copied from interface: ComboBoxEditor
      Returns the component that should be added to the tree hierarchy for this editor
      Specified by:
      getEditorComponent in interface ComboBoxEditor
      Returns:
      the component

    • createEditorComponent

      protected JTextField 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 anObject)
      Sets the item that should be edited.
      Specified by:
      setItem in interface ComboBoxEditor
      Parameters:
      anObject - the displayed value of the editor

    • getItem

      public Object getItem()
      Description copied from interface: ComboBoxEditor
      Returns the edited item
      Specified by:
      getItem in interface ComboBoxEditor
      Returns:
      the edited item

    • selectAll

      public void selectAll()
      Description copied from interface: ComboBoxEditor
      Ask the editor to start editing and to select everything
      Specified by:
      selectAll in interface ComboBoxEditor

    • focusGained

      public void focusGained(FocusEvent e)
      Description copied from interface: FocusListener
      Invoked when a component gains the keyboard focus.
      Specified by:
      focusGained in interface FocusListener
      Parameters:
      e - the event to be processed

    • focusLost

      public void focusLost(FocusEvent e)
      Description copied from interface: FocusListener
      Invoked when a component loses the keyboard focus.
      Specified by:
      focusLost in interface FocusListener
      Parameters:
      e - the event to be processed

    • addActionListener

      public void addActionListener(ActionListener l)
      Description copied from interface: ComboBoxEditor
      Add an ActionListener. An action event is generated when the edited item changes
      Specified by:
      addActionListener in interface ComboBoxEditor
      Parameters:
      l - an ActionListener

    • removeActionListener

      public void removeActionListener(ActionListener l)
      Description copied from interface: ComboBoxEditor
      Remove an ActionListener
      Specified by:
      removeActionListener in interface ComboBoxEditor
      Parameters:
      l - an ActionListener