accessiblecontext.java

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   *
   * @return the accessible object's name, or null if it is unnamed
   * @see #setAccessibleName(String)
   */
  public String getAccessibleName()
  {
    return accessibleName;
  }

  /**
   * Set the localized name of the object. This will fire a
   * PropertyChangeEvent with ACCESSIBLE_NAME_PROPERTY.
   *
   * @param s the new name
   * @see #getAccessibleName()
   * @see #addPropertyChangeListener(PropertyChangeListener)
   */
  public void setAccessibleName(String s)
  {
    listeners.firePropertyChange(ACCESSIBLE_NAME_PROPERTY, accessibleName, s);
    accessibleName = s;
  }

  /**
   * Get the localized description of the object. For example, a 'Cancel'
   * button may be described as "Ignore changes and close dialog box" in
   * en_US.
   *
   * @return the accessible object's description, or null if there is none
   * @see #setAccessibleDescription(String)
   */
  public String getAccessibleDescription()
  {
    return accessibleDescription;
  }

  /**
   * Set the localized name of the object. This will fire a
   * PropertyChangeEvent with ACCESSIBLE_DESCRIPTION_PROPERTY.
   *
   * @param s the new description
   * @see #getAccessibleDescription()
   * @see #addPropertyChangeListener(PropertyChangeListener)
   */
  public void setAccessibleDescription(String s)
  {
    listeners.firePropertyChange(ACCESSIBLE_DESCRIPTION_PROPERTY,
                                 accessibleDescription, s);
    accessibleDescription = s;
  }

  /**
   * Gets the role of this object. For example, a button serves the role of
   * AccessibleRole.PUSH_BUTTON. This allows assistive technologies to funnel
   * similar objects into the same assistance classes. Note that the class
   * is extensible, to define new roles if necessary.
   *
   * @return the role of the object
   * @see AccessibleRole
   */
  public abstract AccessibleRole getAccessibleRole();

  /**
   * Gets the state set of this object. A change in the state of the object
   * will fire a PropertyChangeEvent for ACCESSIBLE_STATE_PROPERTY.
   *
   * @return the current state of the object
   * @see AccessibleState
   * @see AccessibleStateSet
   * @see #addPropertyChangeListener(PropertyChangeListener)
   */
  public abstract AccessibleStateSet getAccessibleStateSet();

  /**
   * Return the accessible parent of this object.
   *
   * @return the accessible parent, or null if there is none
   */
  public Accessible getAccessibleParent()
  {
    return accessibleParent;
  }

  /**
   * Sets the accessible parent of this object. This should only be used when
   * the current parent object should not be the accessible parent; only the
   * parent of the accessible child should call this method.
   *
   * @param a the new parent
   */
  public void setAccessibleParent(Accessible a)
  {
    accessibleParent = a;
  }

  /**
   * Gets the index of this object within its accessible parent.
   *
   * @return the 0-based index, or -1 if there is no accessible parent
   * @see #getAccessibleParent()
   * @see #getAccessibleChildrenCount()
   * @see #getAccessibleChild(int)
   */
  public abstract int getAccessibleIndexInParent();

  /**
   * Returns the number of accessible children of this object.
   *
   * @return the number of accessible children
   * @see #getAccessibleChild(int)
   */
  public abstract int getAccessibleChildrenCount();

  /**
   * Returns the specified accessible chile.
   *
   * @param i the 0-based index to get
   * @return the child, or null if out of bounds
   * @see #getAccessibleChildrenCount()
   */
  public abstract Accessible getAccessibleChild(int i);

  /**
   * Gets the component locale, deferring to the parent if one is not declared.
   *
   * @return the locale
   * @throws java.awt.IllegalComponentStateException if there is no locale
   *         or parent
   */
  public abstract Locale getLocale();

  /**
   * Add a PropertyChangeListener to the listener list. This listener will
   * be notified of all property changes to the accessible object.
   *
   * @param l the listener to add
   * @see #ACCESSIBLE_NAME_PROPERTY
   * @see #ACCESSIBLE_DESCRIPTION_PROPERTY
   * @see #ACCESSIBLE_STATE_PROPERTY
   * @see #ACCESSIBLE_VALUE_PROPERTY
   * @see #ACCESSIBLE_SELECTION_PROPERTY
   * @see #ACCESSIBLE_TEXT_PROPERTY
   * @see #ACCESSIBLE_VISIBLE_DATA_PROPERTY
   * @see #removePropertyChangeListener(PropertyChangeListener)
   */
  public void addPropertyChangeListener(PropertyChangeListener l)
  {
    listeners.addPropertyChangeListener(l);
  }

  /**
   * Remove a PropertyChangeListener from the listener list.
   *
   * @param l the listener to remove
   * @see #addPropertyChangeListener(PropertyChangeListener)
   */
  public void removePropertyChangeListener(PropertyChangeListener l)
  {
    listeners.removePropertyChangeListener(l);
  }

  /**
   * Get any supported accessible actions. The default implementation returns
   * null.
   *
   * @return the supported action, or null
   * @see AccessibleAction
   */
  public AccessibleAction getAccessibleAction()
  {
    return null;
  }

  /**
   * Get any supported accessible compoent. The default implementation returns
   * null.
   *
   * @return the supported component, or null
   * @see AccessibleComponent
   */
  public AccessibleComponent getAccessibleComponent()
  {
    return null;
  }

  /**
   * Get any supported accessible selection. The default implementation returns
   * null.
   *
   * @return the supported selection, or null
   * @see AccessibleSelection
   */
  public AccessibleSelection getAccessibleSelection()
  {
    return null;
  }

  /**
   * Get any supported accessible text. The default implementation returns
   * null.
   *
   * @return the supported text, or null
   * @see AccessibleText
   */
  public AccessibleText getAccessibleText()
  {
    return null;
  }

  /**
   * Get any supported accessible editable text. The default implementation
   * returns null.
   *
   * @return the supported editable text, or null
   * @see AccessibleEditableText
   */
  public AccessibleEditableText getAccessibleEditableText()
  {
    return null;
  }

  /**
   * Get any supported accessible value. The default implementation returns
   * null.
   *
   * @return the supported value, or null
   * @see AccessibleValue
   */
  public AccessibleValue getAccessibleValue()
  {
    return null;
  }

  /**
   * Get all supported accessible icons. The default implementation returns
   * null.
   *
   * @return the supported icons, or null
   * @see AccessibleIcon
   */
  public AccessibleIcon[] getAccessibleIcon()
  {
    return null;
  }

  /**
   * Get any supported accessible relation set. The default implementation
   * returns null.
   *
   * @return the supported relation set, or null
   * @see AccessibleRelationSet
   */
  public AccessibleRelationSet getAccessibleRelationSet()
  {
    return null;
  }

  /**
   * Get any supported accessible table. The default implementation returns
   * null.
   *
   * @return the supported table, or null
   * @see AccessibleTable
   */
  public AccessibleTable getAccessibleTable()
  {
    return null;
  }

  /**
   * Fire an event to report property changes. This is intended for use by
   * the accessible objects, not general application programs. If oldValue and
   * newValue differ, and the listenter list is not empty, a PropertyChange
   * event is fired to each listener.
   *
   * @param name the property name
   * @param oldValue the prior value
   * @param newValue the updated value
   * @see PropertyChangeSupport
   * @see #addPropertyChangeListener(PropertyChangeListener)
   * @see #removePropertyChangeListener(PropertyChangeListener)
   * @see #ACCESSIBLE_NAME_PROPERTY
   * @see #ACCESSIBLE_DESCRIPTION_PROPERTY
   * @see #ACCESSIBLE_STATE_PROPERTY
   * @see #ACCESSIBLE_VALUE_PROPERTY
   * @see #ACCESSIBLE_SELECTION_PROPERTY
   * @see #ACCESSIBLE_TEXT_PROPERTY
   * @see #ACCESSIBLE_VISIBLE_DATA_PROPERTY
   */
  public void firePropertyChange(String name, Object oldValue, Object newValue)
  {
    listeners.firePropertyChange(name, oldValue, newValue);
  }
} // class AccessibleContext