javax.swing

## Class JScrollPane.AccessibleJScrollPane

- java.lang.Object
- - javax.accessibility.AccessibleContext
  - - java.awt.Component.AccessibleAWTComponent
    - - java.awt.Container.AccessibleAWTContainer
      - - javax.swing.JComponent.AccessibleJComponent
        - - javax.swing.JScrollPane.AccessibleJScrollPane

- All Implemented Interfaces:
    PropertyChangeListener, Serializable, EventListener, AccessibleComponent, AccessibleExtendedComponent, ChangeListener
  Enclosing class:
    JScrollPane

      protected class JScrollPane.AccessibleJScrollPane
      extends JComponent.AccessibleJComponent
      implements ChangeListener, PropertyChangeListener

  This class implements accessibility support for the `JScrollPane` class. It provides an implementation of the Java Accessibility API appropriate to scroll pane user-interface elements.

  Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeansTM has been added to the `java.beans` package. Please see `XMLEncoder`.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class javax.swing.JComponent.AccessibleJComponent

      `JComponent.AccessibleJComponent.AccessibleContainerHandler, JComponent.AccessibleJComponent.AccessibleFocusHandler`

    - ### Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent

      `Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected JViewport` | `viewPort`

    - ### Fields inherited from class javax.swing.JComponent.AccessibleJComponent

      `accessibleFocusHandler`

    - ### Fields inherited from class java.awt.Container.AccessibleAWTContainer

      `accessibleContainerHandler`

    - ### Fields inherited from class java.awt.Component.AccessibleAWTComponent

      `accessibleAWTComponentHandler, accessibleAWTFocusHandler`

    - ### Fields inherited from class javax.accessibility.AccessibleContext

      `ACCESSIBLE_ACTION_PROPERTY, ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY, ACCESSIBLE_CARET_PROPERTY, ACCESSIBLE_CHILD_PROPERTY, ACCESSIBLE_COMPONENT_BOUNDS_CHANGED, ACCESSIBLE_DESCRIPTION_PROPERTY, ACCESSIBLE_HYPERTEXT_OFFSET, ACCESSIBLE_INVALIDATE_CHILDREN, ACCESSIBLE_NAME_PROPERTY, ACCESSIBLE_SELECTION_PROPERTY, ACCESSIBLE_STATE_PROPERTY, ACCESSIBLE_TABLE_CAPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED, ACCESSIBLE_TABLE_MODEL_CHANGED, ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED, ACCESSIBLE_TABLE_ROW_HEADER_CHANGED, ACCESSIBLE_TABLE_SUMMARY_CHANGED, ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED, ACCESSIBLE_TEXT_PROPERTY, ACCESSIBLE_VALUE_PROPERTY, ACCESSIBLE_VISIBLE_DATA_PROPERTY, accessibleDescription, accessibleName, accessibleParent`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `JScrollPane.AccessibleJScrollPane()` AccessibleJScrollPane constructor

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `AccessibleRole` | `getAccessibleRole()` Get the role of this object.
    `void` | `propertyChange(PropertyChangeEvent e)` This method gets called when a bound property is changed.
    `void` | `resetViewPort()`
    `void` | `stateChanged(ChangeEvent e)` Invoked when the target of the listener has changed its state.

    - ### Methods inherited from class javax.swing.JComponent.AccessibleJComponent

      `addPropertyChangeListener, getAccessibleChild, getAccessibleChildrenCount, getAccessibleDescription, getAccessibleKeyBinding, getAccessibleName, getAccessibleStateSet, getBorderTitle, getTitledBorderText, getToolTipText, removePropertyChangeListener`

    - ### Methods inherited from class java.awt.Container.AccessibleAWTContainer

      `getAccessibleAt`

    - ### Methods inherited from class java.awt.Component.AccessibleAWTComponent

      `addFocusListener, contains, getAccessibleComponent, getAccessibleIndexInParent, getAccessibleParent, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible`

    - ### Methods inherited from class javax.accessibility.AccessibleContext

      `firePropertyChange, getAccessibleAction, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent`

    - ### Methods inherited from class java.lang.Object

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

    - ### Methods inherited from interface javax.accessibility.AccessibleComponent

      `addFocusListener, contains, getAccessibleAt, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible`

- - ### Field Detail

    - #### viewPort

          protected JViewport viewPort

  - ### Constructor Detail

    - #### JScrollPane.AccessibleJScrollPane

          public JScrollPane.AccessibleJScrollPane()

      AccessibleJScrollPane constructor

  - ### Method Detail

    - #### resetViewPort

          public void resetViewPort()

    - #### getAccessibleRole

          public AccessibleRole getAccessibleRole()

      Get the role of this object.
      Overrides:
        `getAccessibleRole` in class `JComponent.AccessibleJComponent`
      Returns:
        an instance of AccessibleRole describing the role of the object
      See Also:
        `AccessibleRole`

    - #### stateChanged

          public void stateChanged(ChangeEvent e)

      Invoked when the target of the listener has changed its state.
      Specified by:
        `stateChanged` in interface `ChangeListener`
      Parameters:
        `e` - a `ChangeEvent` object. Must not be null.
      Throws:
        `NullPointerException` - if the parameter is null.

    - #### propertyChange

          public void propertyChange(PropertyChangeEvent e)

      This method gets called when a bound property is changed.
      Specified by:
        `propertyChange` in interface `PropertyChangeListener`
      Parameters:
        `e` - A `PropertyChangeEvent` object describing the event source and the property that has changed. Must not be null.
      Throws:
        `NullPointerException` - if the parameter is null.
      Since:
        1.5

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