Class Checkbox.AccessibleAWTCheckbox
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:
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Nested Class Summary
Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent
Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
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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
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionboolean
doAccessibleAction
(int i) Perform the specified Action on the objectGet the AccessibleAction associated with this object.int
Returns the number of Actions available in this object.Return a description of the specified action of the object.Get the role of this object.Get the state set of this object.Get the AccessibleValue associated with this object.Get the value of this object as a Number.Get the maximum value of this object as a Number.Get the minimum value of this object as a Number.void
Fire accessible property change events when the state of the toggle button changes.boolean
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, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, setAccessibleDescription, setAccessibleName, setAccessibleParent
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Constructor Details
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AccessibleAWTCheckbox
public AccessibleAWTCheckbox()Constructor forAccessibleAWTCheckbox
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Method Details
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itemStateChanged
Fire accessible property change events when the state of the toggle button changes.- Specified by:
itemStateChanged
in interfaceItemListener
- Parameters:
e
- the event to be processed
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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 classAccessibleContext
- Returns:
- this object
- See Also:
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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 classAccessibleContext
- Returns:
- this object
- See Also:
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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 interfaceAccessibleAction
- Returns:
- the number of Actions in this object
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getAccessibleActionDescription
Return a description of the specified action of the object.- Specified by:
getAccessibleActionDescription
in interfaceAccessibleAction
- Parameters:
i
- zero-based index of the actions- Returns:
- a
String
description of the action - See Also:
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doAccessibleAction
public boolean doAccessibleAction(int i) Perform the specified Action on the object- Specified by:
doAccessibleAction
in interfaceAccessibleAction
- Parameters:
i
- zero-based index of actions- Returns:
- true if the action was performed; else false.
- See Also:
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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 interfaceAccessibleValue
- Returns:
- value of the object
- See Also:
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setCurrentAccessibleValue
Set the value of this object as a Number.- Specified by:
setCurrentAccessibleValue
in interfaceAccessibleValue
- Parameters:
n
- the number to use for the value- Returns:
- True if the value was set; else False
- See Also:
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getMinimumAccessibleValue
Get the minimum value of this object as a Number.- Specified by:
getMinimumAccessibleValue
in interfaceAccessibleValue
- Returns:
- Minimum value of the object; null if this object does not have a minimum value
- See Also:
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getMaximumAccessibleValue
Get the maximum value of this object as a Number.- Specified by:
getMaximumAccessibleValue
in interfaceAccessibleValue
- Returns:
- Maximum value of the object; null if this object does not have a maximum value
- See Also:
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getAccessibleRole
Get the role of this object.- Overrides:
getAccessibleRole
in classComponent.AccessibleAWTComponent
- Returns:
- an instance of AccessibleRole describing the role of the object
- See Also:
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getAccessibleStateSet
Get the state set of this object.- Overrides:
getAccessibleStateSet
in classComponent.AccessibleAWTComponent
- Returns:
- an instance of AccessibleState containing the current state of the object
- See Also:
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