- 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 theCheckbox
class. 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 boolean
doAccessibleAction(int i)
Perform the specified Action on the objectAccessibleAction
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 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:
itemStateChanged
in 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:
getAccessibleAction
in 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:
getAccessibleValue
in 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:
getAccessibleActionCount
in 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:
getAccessibleActionDescription
in interfaceAccessibleAction
- Parameters:
i
- zero-based index of the actions- Returns:
- a
String
description 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:
doAccessibleAction
in 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:
getCurrentAccessibleValue
in 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:
setCurrentAccessibleValue
in 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:
getMinimumAccessibleValue
in 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:
getMaximumAccessibleValue
in 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:
getAccessibleRole
in 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:
getAccessibleStateSet
in classComponent.AccessibleAWTComponent
- Returns:
- an instance of AccessibleState containing the current state of the object
- See Also:
AccessibleState
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