java.lang.Object
- javax.accessibility.AccessibleContext
- - java.awt.Component.AccessibleAWTComponent
  - - java.awt.Button.AccessibleAWTButton

All Implemented Interfaces:

Serializable, AccessibleAction, AccessibleComponent, AccessibleValue

Enclosing class:

Button
```
protected class Button.AccessibleAWTButton
extends Component.AccessibleAWTComponent
implements AccessibleAction, AccessibleValue
```
This class implements accessibility support for the Button class. It provides an implementation of the Java Accessibility API appropriate to button user-interface elements.

Since:

1.3

See Also:
Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent
  Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Field Summary
- 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

Constructor Summary

Constructors
Modifier Constructor and Description

protected Button.AccessibleAWTButton()

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Method Summary

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.
`String`	`getAccessibleName()` Get the accessible name of this object.
`AccessibleRole`	`getAccessibleRole()` Get the role of this object.
`AccessibleValue`	`getAccessibleValue()` Get the AccessibleValue associated with this object.
`Number`	`getCurrentAccessibleValue()` Get the value of this object as a Number.
`Number`	`getMaximumAccessibleValue()` Get the maximum value of this object as a Number.
`Number`	`getMinimumAccessibleValue()` Get the minimum value of this object as a Number.
`boolean`	`setCurrentAccessibleValue(Number n)` Set the value of this object as a Number.

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Methods inherited from class java.awt.Component.AccessibleAWTComponent
addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleParent, getAccessibleStateSet, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, removePropertyChangeListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible

Methods inherited from class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, setAccessibleDescription, setAccessibleName, setAccessibleParent

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Button.AccessibleAWTButton
```
protected Button.AccessibleAWTButton()
```
- Method Detail
  - getAccessibleName
```
public String getAccessibleName()
```
    Get the accessible name of this object.
    
    Overrides:
    
    getAccessibleName in class Component.AccessibleAWTComponent
    
    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)
  - 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
    
    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 0.
    See Also:
    AccessibleValue.getMinimumAccessibleValue()
  - getAccessibleRole
```
public AccessibleRole getAccessibleRole()
```
    Get the role of this object.
    
    Overrides:
    
    getAccessibleRole in class Component.AccessibleAWTComponent
    
    Returns:
    an instance of AccessibleRole describing the role of the object
    See Also:
    AccessibleRole

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Document heeft de 11/06/2005 gemaakt, de laatste keer de 04/03/2020 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-rf-java/awt/Button.AccessibleAWTButton.html

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Referenties

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Inhoudsopgave Haut

Class Button.AccessibleAWTButton

Nested Class Summary

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

Field Summary

Fields inherited from class java.awt.Component.AccessibleAWTComponent

Fields inherited from class javax.accessibility.AccessibleContext

Fields inherited from interface javax.accessibility.AccessibleAction

Constructor Summary

Method Summary

Methods inherited from class java.awt.Component.AccessibleAWTComponent

Methods inherited from class javax.accessibility.AccessibleContext

Methods inherited from class java.lang.Object

Constructor Detail

Button.AccessibleAWTButton

Method Detail

getAccessibleName

getAccessibleAction

getAccessibleValue

getAccessibleActionCount

getAccessibleActionDescription

doAccessibleAction

getCurrentAccessibleValue

setCurrentAccessibleValue

getMinimumAccessibleValue

getMaximumAccessibleValue

getAccessibleRole

Referenties