- java.lang.Object
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- javax.accessibility.AccessibleContext
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- java.awt.Component.AccessibleAWTComponent
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- java.awt.Button.AccessibleAWTButton
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- 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 theButton
class. It provides an implementation of the Java Accessibility API appropriate to button user-interface elements.- Since:
- 1.3
- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent
Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler
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Field Summary
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Fields inherited from class java.awt.Component.AccessibleAWTComponent
accessibleAWTComponentHandler, accessibleAWTFocusHandler
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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
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Fields inherited from interface javax.accessibility.AccessibleAction
CLICK, DECREMENT, INCREMENT, TOGGLE_EXPAND, TOGGLE_POPUP
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Constructor Summary
Constructors Modifier Constructor and Description protected
Button.AccessibleAWTButton()
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Method Summary
Methods Modifier and Type Method and 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.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 inherited from 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
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Methods inherited from class javax.accessibility.AccessibleContext
firePropertyChange, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, setAccessibleDescription, setAccessibleName, setAccessibleParent
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Method Detail
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getAccessibleName
public String getAccessibleName()
Get the accessible name of this object.- Overrides:
getAccessibleName
in classComponent.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)
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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. The default behavior of a button is to have one action - toggle the button.- Specified by:
getAccessibleActionCount
in interfaceAccessibleAction
- Returns:
- 1, 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 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.- Specified by:
getCurrentAccessibleValue
in interfaceAccessibleValue
- Returns:
- An Integer of 0 if this isn't selected or an Integer of 1 if this is selected.
- See Also:
AbstractButton.isSelected()
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setCurrentAccessibleValue
public boolean setCurrentAccessibleValue(Number n)
Set the value of this object as a Number.- Specified by:
setCurrentAccessibleValue
in interfaceAccessibleValue
- Returns:
- True if the value was set.
- See Also:
AccessibleValue.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:
- An Integer of 0.
- See Also:
AccessibleValue.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:
- An Integer of 0.
- See Also:
AccessibleValue.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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