Class Button.AccessibleAWTButton

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 declared in class java.awt.Component.AccessibleAWTComponent

Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Field Summary

Fields declared in class java.awt.Component.AccessibleAWTComponent

accessibleAWTComponentHandler, accessibleAWTFocusHandler

Fields declared in 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 declared in interface javax.accessibility.AccessibleAction

CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`AccessibleAWTButton()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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.

Methods declared in 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 declared in class javax.accessibility.AccessibleContext

firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, setAccessibleDescription, setAccessibleName, setAccessibleParent

Methods declared in class java.lang.Object

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

Constructor Detail

AccessibleAWTButton

protected 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 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 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