- java.lang.Object
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- javax.accessibility.AccessibleContext
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- java.awt.Component.AccessibleAWTComponent
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- java.awt.Checkbox.AccessibleAWTCheckbox
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- 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 theCheckboxclass. It provides an implementation of the Java Accessibility API appropriate to checkbox user-interface elements.- Since:
- 1.3
- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces declared in class java.awt.Component.AccessibleAWTComponent
Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
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Field Summary
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Fields declared in class java.awt.Component.AccessibleAWTComponent
accessibleAWTComponentHandler, accessibleAWTFocusHandler
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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
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Fields declared in interface javax.accessibility.AccessibleAction
CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
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Constructor Summary
Constructors Constructor Description AccessibleAWTCheckbox()Constructor forAccessibleAWTCheckbox
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleandoAccessibleAction(int i)Perform the specified Action on the objectAccessibleActiongetAccessibleAction()Get the AccessibleAction associated with this object.intgetAccessibleActionCount()Returns the number of Actions available in this object.StringgetAccessibleActionDescription(int i)Return a description of the specified action of the object.AccessibleRolegetAccessibleRole()Get the role of this object.AccessibleStateSetgetAccessibleStateSet()Get the state set of this object.AccessibleValuegetAccessibleValue()Get the AccessibleValue associated with this object.NumbergetCurrentAccessibleValue()Get the value of this object as a Number.NumbergetMaximumAccessibleValue()Get the maximum value of this object as a Number.NumbergetMinimumAccessibleValue()Get the minimum value of this object as a Number.voiditemStateChanged(ItemEvent e)Fire accessible property change events when the state of the toggle button changes.booleansetCurrentAccessibleValue(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, 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
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Methods declared in class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, setAccessibleDescription, setAccessibleName, setAccessibleParent
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Method Detail
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itemStateChanged
public void itemStateChanged(ItemEvent e)
Fire accessible property change events when the state of the toggle button changes.- Specified by:
itemStateChangedin interfaceItemListener- Parameters:
e- the event to be processed
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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:
getAccessibleActionin classAccessibleContext- Returns:
- this object
- See Also:
AccessibleAction
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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:
getAccessibleValuein classAccessibleContext- Returns:
- this object
- See Also:
AccessibleValue
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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:
getAccessibleActionCountin interfaceAccessibleAction- Returns:
- the number of Actions in this object
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getAccessibleActionDescription
public String getAccessibleActionDescription(int i)
Return a description of the specified action of the object.- Specified by:
getAccessibleActionDescriptionin interfaceAccessibleAction- Parameters:
i- zero-based index of the actions- Returns:
- a
Stringdescription of the action - See Also:
AccessibleAction.getAccessibleActionCount()
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doAccessibleAction
public boolean doAccessibleAction(int i)
Perform the specified Action on the object- Specified by:
doAccessibleActionin interfaceAccessibleAction- Parameters:
i- zero-based index of actions- Returns:
- true if the action was performed; else false.
- See Also:
AccessibleAction.getAccessibleActionCount()
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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:
getCurrentAccessibleValuein interfaceAccessibleValue- Returns:
- value of the object
- See Also:
setCurrentAccessibleValue(java.lang.Number)
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setCurrentAccessibleValue
public boolean setCurrentAccessibleValue(Number n)
Set the value of this object as a Number.- Specified by:
setCurrentAccessibleValuein interfaceAccessibleValue- Parameters:
n- the number to use for the value- Returns:
- True if the value was set; else False
- See Also:
getCurrentAccessibleValue()
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getMinimumAccessibleValue
public Number getMinimumAccessibleValue()
Get the minimum value of this object as a Number.- Specified by:
getMinimumAccessibleValuein interfaceAccessibleValue- Returns:
- Minimum value of the object; null if this object does not have a minimum value
- See Also:
getMaximumAccessibleValue()
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getMaximumAccessibleValue
public Number getMaximumAccessibleValue()
Get the maximum value of this object as a Number.- Specified by:
getMaximumAccessibleValuein interfaceAccessibleValue- Returns:
- Maximum value of the object; null if this object does not have a maximum value
- See Also:
getMinimumAccessibleValue()
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getAccessibleRole
public AccessibleRole getAccessibleRole()
Get the role of this object.- Overrides:
getAccessibleRolein classComponent.AccessibleAWTComponent- Returns:
- an instance of AccessibleRole describing the role of the object
- See Also:
AccessibleRole
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getAccessibleStateSet
public AccessibleStateSet getAccessibleStateSet()
Get the state set of this object.- Overrides:
getAccessibleStateSetin classComponent.AccessibleAWTComponent- Returns:
- an instance of AccessibleState containing the current state of the object
- See Also:
AccessibleState
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