java.lang.Object
- javax.accessibility.AccessibleContext
- - java.awt.Component.AccessibleAWTComponent
  - - java.awt.Checkbox.AccessibleAWTCheckbox

All Implemented Interfaces:

ItemListener, Serializable, EventListener, AccessibleAction, AccessibleComponent, AccessibleValue

Enclosing class:

Checkbox
```
protected class Checkbox.AccessibleAWTCheckbox
extends Component.AccessibleAWTComponent
implements ItemListener, AccessibleAction, AccessibleValue
```
This class implements accessibility support for the Checkbox class. It provides an implementation of the Java Accessibility API appropriate to checkbox 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
Constructor and Description

Checkbox.AccessibleAWTCheckbox()

Eerste pagina van API Java Inhoudsopgave Haut

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.
`AccessibleRole`	`getAccessibleRole()` Get the role of this object.
`AccessibleStateSet`	`getAccessibleStateSet()` Get the state set 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.
`void`	`itemStateChanged(ItemEvent e)` Fire accessible property change events when the state of the toggle button changes.
`boolean`	`setCurrentAccessibleValue(Number n)` Set the value of this object as a Number.

Eerste pagina van API Java Inhoudsopgave Haut

Methods inherited from class java.awt.Component.AccessibleAWTComponent
addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, 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
  - Checkbox.AccessibleAWTCheckbox
```
public Checkbox.AccessibleAWTCheckbox()
```
- Method Detail
  - itemStateChanged
```
public void itemStateChanged(ItemEvent e)
```
    Fire accessible property change events when the state of the toggle button changes.
    
    Specified by:
    
    itemStateChanged in interface ItemListener
  - 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. If there is more than one, the first one is the "default" action.
    
    Specified by:
    
    getAccessibleActionCount in interface AccessibleAction
    
    Returns:
    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. If the value has not been set, the return value will be null.
    
    Specified by:
    
    getCurrentAccessibleValue in interface AccessibleValue
    
    Returns:
    value of the object
    See Also:
    setCurrentAccessibleValue(java.lang.Number)
  - 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; else False
    See Also:
    getCurrentAccessibleValue()
  - getMinimumAccessibleValue
```
public Number getMinimumAccessibleValue()
```
    Get the minimum value of this object as a Number.
    
    Specified by:
    
    getMinimumAccessibleValue in interface AccessibleValue
    
    Returns:
    Minimum value of the object; null if this object does not have a minimum value
    See Also:
    getMaximumAccessibleValue()
  - getMaximumAccessibleValue
```
public Number getMaximumAccessibleValue()
```
    Get the maximum value of this object as a Number.
    
    Specified by:
    
    getMaximumAccessibleValue in interface AccessibleValue
    
    Returns:
    Maximum value of the object; null if this object does not have a maximum value
    See Also:
    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
  - getAccessibleStateSet
```
public AccessibleStateSet getAccessibleStateSet()
```
    Get the state set of this object.
    
    Overrides:
    
    getAccessibleStateSet in class Component.AccessibleAWTComponent
    
    Returns:
    an instance of AccessibleState containing the current state of the object
    See Also:
    AccessibleState

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Bij voorbaat dank.

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/checkbox.accessibleawtcheckbox.html

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Referenties

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Inhoudsopgave Haut

Class Checkbox.AccessibleAWTCheckbox

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

Checkbox.AccessibleAWTCheckbox

Method Detail

itemStateChanged

getAccessibleAction

getAccessibleValue

getAccessibleActionCount

getAccessibleActionDescription

doAccessibleAction

getCurrentAccessibleValue

setCurrentAccessibleValue

getMinimumAccessibleValue

getMaximumAccessibleValue

getAccessibleRole

getAccessibleStateSet

Referenties