Checkbox.AccessibleAWTCheckbox (Java 2 Platform SE 5.0) (original) (raw)

java.lang.Object extended by javax.accessibility.AccessibleContext extended by java.awt.Component.AccessibleAWTComponent extended by 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.

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
DECREMENT, INCREMENT, TOGGLE_EXPAND
Constructor Summary
Checkbox.AccessibleAWTCheckbox()
Method Summary
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.
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](../../javax/accessibility/AccessibleContext.html#firePropertyChange%28java.lang.String, java.lang.Object, java.lang.Object%29), 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](../../java/lang/Object.html#wait%28long, int%29)
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](../../java/awt/event/ItemListener.html#itemStateChanged%28java.awt.event.ItemEvent%29) in interface [ItemListener](../../java/awt/event/ItemListener.html "interface in java.awt.event")

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](../../javax/accessibility/AccessibleContext.html#getAccessibleAction%28%29) in class [AccessibleContext](../../javax/accessibility/AccessibleContext.html "class in javax.accessibility")

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](../../javax/accessibility/AccessibleContext.html#getAccessibleValue%28%29) in class [AccessibleContext](../../javax/accessibility/AccessibleContext.html "class in javax.accessibility")

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](../../javax/accessibility/AccessibleAction.html#getAccessibleActionCount%28%29) in interface [AccessibleAction](../../javax/accessibility/AccessibleAction.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleAction.html#getAccessibleActionDescription%28int%29) in interface [AccessibleAction](../../javax/accessibility/AccessibleAction.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleAction.html#doAccessibleAction%28int%29) in interface [AccessibleAction](../../javax/accessibility/AccessibleAction.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleValue.html#getCurrentAccessibleValue%28%29) in interface [AccessibleValue](../../javax/accessibility/AccessibleValue.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleValue.html#setCurrentAccessibleValue%28java.lang.Number%29) in interface [AccessibleValue](../../javax/accessibility/AccessibleValue.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleValue.html#getMinimumAccessibleValue%28%29) in interface [AccessibleValue](../../javax/accessibility/AccessibleValue.html "interface in javax.accessibility")

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](../../javax/accessibility/AccessibleValue.html#getMaximumAccessibleValue%28%29) in interface [AccessibleValue](../../javax/accessibility/AccessibleValue.html "interface in javax.accessibility")

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](../../java/awt/Component.AccessibleAWTComponent.html#getAccessibleRole%28%29) in class [Component.AccessibleAWTComponent](../../java/awt/Component.AccessibleAWTComponent.html "class in java.awt")

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](../../java/awt/Component.AccessibleAWTComponent.html#getAccessibleStateSet%28%29) in class [Component.AccessibleAWTComponent](../../java/awt/Component.AccessibleAWTComponent.html "class in java.awt")

Returns:

an instance of AccessibleState containing the current state of the object

See Also:

AccessibleState

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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