Java javax.swing Class AbstractButton.AccessibleAbstractButton（JDK8）

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Java™ Platform
Standard Ed. 8

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Method

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

All Implemented Interfaces:

Serializable, AccessibleAction, AccessibleComponent, AccessibleExtendedComponent, AccessibleText, AccessibleValue

Direct Known Subclasses:

JButton.AccessibleJButton, JMenuItem.AccessibleJMenuItem, JToggleButton.AccessibleJToggleButton

Enclosing class:

AbstractButton
```
protected abstract class AbstractButton.AccessibleAbstractButton
extends JComponent.AccessibleJComponent
implements AccessibleAction, AccessibleValue, AccessibleText, AccessibleExtendedComponent
```
This class implements accessibility support for the AbstractButton class. It provides an implementation of the Java Accessibility API appropriate to button and menu item 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 JavaBeans™ has been added to the java.beans package. Please see XMLEncoder.

Since:

1.4

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 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
- Fields inherited from interface javax.accessibility.AccessibleAction
  CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
- Fields inherited from interface javax.accessibility.AccessibleText
  CHARACTER, SENTENCE, WORD

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`AccessibleAbstractButton()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`doAccessibleAction(int i)` Perform the specified Action on the object
`AccessibleAction`	`getAccessibleAction()` Get the AccessibleAction associated with this object.
`int`	`getAccessibleActionCount()` Returns the number of Actions available in this object.
`String`	`getAccessibleActionDescription(int i)` Return a description of the specified action of the object.
`AccessibleIcon[]`	`getAccessibleIcon()` Get the AccessibleIcons associated with this object if one or more exist.
`AccessibleKeyBinding`	`getAccessibleKeyBinding()` Returns key bindings associated with this object
`String`	`getAccessibleName()` Returns the accessible name of this object.
`AccessibleRelationSet`	`getAccessibleRelationSet()` Get the AccessibleRelationSet associated with this object if one exists.
`AccessibleStateSet`	`getAccessibleStateSet()` Get the state set of this object.
`AccessibleText`	`getAccessibleText()` Gets the AccessibleText associated with this object presenting text on the display.
`AccessibleValue`	`getAccessibleValue()` Get the AccessibleValue associated with this object.
`String`	`getAfterIndex(int part, int index)` Returns the String after a given index.
`String`	`getAtIndex(int part, int index)` Returns the String at a given index.
`String`	`getBeforeIndex(int part, int index)` Returns the String before a given index.
`int`	`getCaretPosition()` Return the zero-based offset of the caret.
`AttributeSet`	`getCharacterAttribute(int i)` Return the AttributeSet for a given character at a given index
`Rectangle`	`getCharacterBounds(int i)` Determine the bounding box of the character at the given index into the string.
`int`	`getCharCount()` Return the number of characters (valid indicies)
`Number`	`getCurrentAccessibleValue()` Get the value of this object as a Number.
`int`	`getIndexAtPoint(Point p)` Given a point in local coordinates, return the zero-based index of the character under that Point.
`Number`	`getMaximumAccessibleValue()` Get the maximum value of this object as a Number.
`Number`	`getMinimumAccessibleValue()` Get the minimum value of this object as a Number.
`String`	`getSelectedText()` Returns the portion of the text that is selected.
`int`	`getSelectionEnd()` Returns the end offset within the selected text.
`int`	`getSelectionStart()` Returns the start offset within the selected text.
`String`	`getTitledBorderText()` Returns the titled border text
`String`	`getToolTipText()` Returns the tool tip text
`boolean`	`setCurrentAccessibleValue(Number n)` Set the value of this object as a Number.

Methods inherited from class javax.swing.JComponent.AccessibleJComponent
addPropertyChangeListener, getAccessibleChild, getAccessibleChildrenCount, getAccessibleDescription, getAccessibleRole, getBorderTitle, removePropertyChangeListener

Methods inherited from class java.awt.Container.AccessibleAWTContainer
getAccessibleAt

Methods inherited from class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleSelection, getAccessibleTable, 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

- Constructor Detail
  - AccessibleAbstractButton
```
protected AccessibleAbstractButton()
```
- Method Detail
  - getAccessibleName
```
public String getAccessibleName()
```
    Returns the accessible name of this object.
    
    Overrides:
    
    getAccessibleName in class JComponent.AccessibleJComponent
    
    Returns:
    
    the localized name of the object -- can be null if this object does not have a name
    
    See Also:
    
    AccessibleContext.setAccessibleName(java.lang.String)
  - getAccessibleIcon
```
public AccessibleIcon[] getAccessibleIcon()
```
    Get the AccessibleIcons associated with this object if one or more exist. Otherwise return null.
    
    Overrides:
    
    getAccessibleIcon in class AccessibleContext
    
    Returns:
    
    an array of AccessibleIcon if supported by object; otherwise return null
    
    Since:
    
    1.3
    
    See Also:
    
    AccessibleIcon
  - getAccessibleStateSet
```
public AccessibleStateSet getAccessibleStateSet()
```
    Get the state set of this object.
    
    Overrides:
    
    getAccessibleStateSet in class JComponent.AccessibleJComponent
    
    Returns:
    
    an instance of AccessibleState containing the current state of the object
    
    See Also:
    
    AccessibleState
  - getAccessibleRelationSet
```
public AccessibleRelationSet getAccessibleRelationSet()
```
    Get the AccessibleRelationSet associated with this object if one exists. Otherwise return null.
    
    Overrides:
    
    getAccessibleRelationSet in class AccessibleContext
    
    Returns:
    
    an AccessibleRelationSet if supported by object; otherwise return null
    
    Since:
    
    1.3
    
    See Also:
    
    AccessibleRelation
  - getAccessibleAction
```
public AccessibleAction getAccessibleAction()
```
    Get the AccessibleAction associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleAction interface on behalf of itself.
    
    Overrides:
    
    getAccessibleAction in class AccessibleContext
    
    Returns:
    
    this object
    
    See Also:
    
    AccessibleAction
  - getAccessibleValue
```
public AccessibleValue getAccessibleValue()
```
    Get the AccessibleValue associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleValue interface on behalf of itself.
    
    Overrides:
    
    getAccessibleValue in class AccessibleContext
    
    Returns:
    
    this object
    
    See Also:
    
    AccessibleValue
  - getAccessibleActionCount
```
public int getAccessibleActionCount()
```
    Returns the number of Actions available in this object. The default behavior of a button is to have one action - toggle the button.
    
    Specified by:
    
    getAccessibleActionCount in interface AccessibleAction
    
    Returns:
    
    1, the number of Actions in this object
  - getAccessibleActionDescription
```
public String getAccessibleActionDescription(int i)
```
    Return a description of the specified action of the object.
    
    Specified by:
    
    getAccessibleActionDescription in interface AccessibleAction
    
    Parameters:
    
    i - zero-based index of the actions
    
    Returns:
    
    a String description of the action
    
    See Also:
    
    AccessibleAction.getAccessibleActionCount()
  - doAccessibleAction
```
public boolean doAccessibleAction(int i)
```
    Perform the specified Action on the object
    
    Specified by:
    
    doAccessibleAction in interface AccessibleAction
    
    Parameters:
    
    i - zero-based index of actions
    
    Returns:
    
    true if the the action was performed; else false.
    
    See Also:
    
    AccessibleAction.getAccessibleActionCount()
  - getCurrentAccessibleValue
```
public Number getCurrentAccessibleValue()
```
    Get the value of this object as a Number.
    
    Specified by:
    
    getCurrentAccessibleValue in interface AccessibleValue
    
    Returns:
    
    An Integer of 0 if this isn't selected or an Integer of 1 if this is selected.
    
    See Also:
    
    AbstractButton.isSelected()
  - setCurrentAccessibleValue
```
public boolean setCurrentAccessibleValue(Number n)
```
    Set the value of this object as a Number.
    
    Specified by:
    
    setCurrentAccessibleValue in interface AccessibleValue
    
    Parameters:
    
    n - the number to use for the value
    
    Returns:
    
    True if the value was set.
    
    See Also:
    
    AccessibleValue.getCurrentAccessibleValue()
  - getMinimumAccessibleValue
```
public Number getMinimumAccessibleValue()
```
    Get the minimum value of this object as a Number.
    
    Specified by:
    
    getMinimumAccessibleValue in interface AccessibleValue
    
    Returns:
    
    an Integer of 0.
    
    See Also:
    
    AccessibleValue.getMaximumAccessibleValue()
  - getMaximumAccessibleValue
```
public Number getMaximumAccessibleValue()
```
    Get the maximum value of this object as a Number.
    
    Specified by:
    
    getMaximumAccessibleValue in interface AccessibleValue
    
    Returns:
    
    An Integer of 1.
    
    See Also:
    
    AccessibleValue.getMinimumAccessibleValue()
  - getAccessibleText
```
public AccessibleText getAccessibleText()
```
    Description copied from class: AccessibleContext
    
    Gets the AccessibleText associated with this object presenting text on the display.
    
    Overrides:
    
    getAccessibleText in class AccessibleContext
    
    Returns:
    
    AccessibleText if supported by object; else return null
    
    See Also:
    
    AccessibleText
  - getIndexAtPoint
```
public int getIndexAtPoint(Point p)
```
    Given a point in local coordinates, return the zero-based index of the character under that Point. If the point is invalid, this method returns -1. Note: the AbstractButton must have a valid size (e.g. have been added to a parent container whose ancestor container is a valid top-level window) for this method to be able to return a meaningful value.
    
    Specified by:
    
    getIndexAtPoint in interface AccessibleText
    
    Parameters:
    
    p - the Point in local coordinates
    
    Returns:
    
    the zero-based index of the character under Point p; if Point is invalid returns -1.
    
    Since:
    
    1.3
  - getCharacterBounds
```
public Rectangle getCharacterBounds(int i)
```
    Determine the bounding box of the character at the given index into the string. The bounds are returned in local coordinates. If the index is invalid an empty rectangle is returned. Note: the AbstractButton must have a valid size (e.g. have been added to a parent container whose ancestor container is a valid top-level window) for this method to be able to return a meaningful value.
    
    Specified by:
    
    getCharacterBounds in interface AccessibleText
    
    Parameters:
    
    i - the index into the String
    
    Returns:
    
    the screen coordinates of the character's the bounding box, if index is invalid returns an empty rectangle.
    
    Since:
    
    1.3
  - getCharCount
```
public int getCharCount()
```
    Return the number of characters (valid indicies)
    
    Specified by:
    
    getCharCount in interface AccessibleText
    
    Returns:
    
    the number of characters
    
    Since:
    
    1.3
  - getCaretPosition
```
public int getCaretPosition()
```
    Return the zero-based offset of the caret. Note: That to the right of the caret will have the same index value as the offset (the caret is between two characters).
    
    Specified by:
    
    getCaretPosition in interface AccessibleText
    
    Returns:
    
    the zero-based offset of the caret.
    
    Since:
    
    1.3
  - getAtIndex
```
public String getAtIndex(int part,
                         int index)
```
    Returns the String at a given index.
    
    Specified by:
    
    getAtIndex in interface AccessibleText
    
    Parameters:
    
    part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
    
    index - an index within the text >= 0
    
    Returns:
    
    the letter, word, or sentence, null for an invalid index or part
    
    Since:
    
    1.3
  - getAfterIndex
```
public String getAfterIndex(int part,
                            int index)
```
    Returns the String after a given index.
    
    Specified by:
    
    getAfterIndex in interface AccessibleText
    
    Parameters:
    
    part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
    
    index - an index within the text >= 0
    
    Returns:
    
    the letter, word, or sentence, null for an invalid index or part
    
    Since:
    
    1.3
  - getBeforeIndex
```
public String getBeforeIndex(int part,
                             int index)
```
    Returns the String before a given index.
    
    Specified by:
    
    getBeforeIndex in interface AccessibleText
    
    Parameters:
    
    part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
    
    index - an index within the text >= 0
    
    Returns:
    
    the letter, word, or sentence, null for an invalid index or part
    
    Since:
    
    1.3
  - getCharacterAttribute
```
public AttributeSet getCharacterAttribute(int i)
```
    Return the AttributeSet for a given character at a given index
    
    Specified by:
    
    getCharacterAttribute in interface AccessibleText
    
    Parameters:
    
    i - the zero-based index into the text
    
    Returns:
    
    the AttributeSet of the character
    
    Since:
    
    1.3
  - getSelectionStart
```
public int getSelectionStart()
```
    Returns the start offset within the selected text. If there is no selection, but there is a caret, the start and end offsets will be the same.
    
    Specified by:
    
    getSelectionStart in interface AccessibleText
    
    Returns:
    
    the index into the text of the start of the selection
    
    Since:
    
    1.3
  - getSelectionEnd
```
public int getSelectionEnd()
```
    Returns the end offset within the selected text. If there is no selection, but there is a caret, the start and end offsets will be the same.
    
    Specified by:
    
    getSelectionEnd in interface AccessibleText
    
    Returns:
    
    the index into the text of the end of the selection
    
    Since:
    
    1.3
  - getSelectedText
```
public String getSelectedText()
```
    Returns the portion of the text that is selected.
    
    Specified by:
    
    getSelectedText in interface AccessibleText
    
    Returns:
    
    the String portion of the text that is selected
    
    Since:
    
    1.3
  - getToolTipText
```
public String getToolTipText()
```
    Returns the tool tip text
    
    Specified by:
    
    getToolTipText in interface AccessibleExtendedComponent
    
    Overrides:
    
    getToolTipText in class JComponent.AccessibleJComponent
    
    Returns:
    
    the tool tip text, if supported, of the object; otherwise, null
    
    Since:
    
    1.4
  - getTitledBorderText
```
public String getTitledBorderText()
```
    Returns the titled border text
    
    Specified by:
    
    getTitledBorderText in interface AccessibleExtendedComponent
    
    Overrides:
    
    getTitledBorderText in class JComponent.AccessibleJComponent
    
    Returns:
    
    the titled border text, if supported, of the object; otherwise, null
    
    Since:
    
    1.4
  - getAccessibleKeyBinding
```
public AccessibleKeyBinding getAccessibleKeyBinding()
```
    Returns key bindings associated with this object
    
    Specified by:
    
    getAccessibleKeyBinding in interface AccessibleExtendedComponent
    
    Overrides:
    
    getAccessibleKeyBinding in class JComponent.AccessibleJComponent
    
    Returns:
    
    the key bindings, if supported, of the object; otherwise, null
    
    Since:
    
    1.4
    
    See Also:
    
    AccessibleKeyBinding

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Java™ Platform
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Java javax.swing Class AbstractButton.AccessibleAbstractButton（JDK8）

Class AbstractButton.AccessibleAbstractButton

Nested Class Summary

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

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

Field Summary

Fields inherited from class javax.swing.JComponent.AccessibleJComponent

Fields inherited from class java.awt.Container.AccessibleAWTContainer

Fields inherited from class java.awt.Component.AccessibleAWTComponent

Fields inherited from class javax.accessibility.AccessibleContext

Fields inherited from interface javax.accessibility.AccessibleAction

Fields inherited from interface javax.accessibility.AccessibleText

Constructor Summary

Method Summary

Methods inherited from class javax.swing.JComponent.AccessibleJComponent

Methods inherited from class java.awt.Container.AccessibleAWTContainer

Methods inherited from class java.awt.Component.AccessibleAWTComponent

Methods inherited from class javax.accessibility.AccessibleContext

Methods inherited from class java.lang.Object

Methods inherited from interface javax.accessibility.AccessibleComponent

Constructor Detail

AccessibleAbstractButton

Method Detail

getAccessibleName

getAccessibleIcon

getAccessibleStateSet

getAccessibleRelationSet

getAccessibleAction

getAccessibleValue

getAccessibleActionCount

getAccessibleActionDescription

doAccessibleAction

getCurrentAccessibleValue

setCurrentAccessibleValue

getMinimumAccessibleValue

getMaximumAccessibleValue

getAccessibleText

getIndexAtPoint

getCharacterBounds

getCharCount

getCaretPosition

getAtIndex

getAfterIndex

getBeforeIndex

getCharacterAttribute

getSelectionStart

getSelectionEnd

getSelectedText

getToolTipText

getTitledBorderText

getAccessibleKeyBinding