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javax.accessibility
Class AccessibleContext
java.lang.Object
javax.accessibility.AccessibleContext
-
Direct Known Subclasses:
-
Component.AccessibleAWTComponent
,
ImageIcon.AccessibleImageIcon
,
JList.AccessibleJList.AccessibleJListChild
,
JTable.AccessibleJTable.AccessibleJTableCell
,
JTableHeader.AccessibleJTableHeader.AccessibleJTableHeaderEntry
,
JTree.AccessibleJTree.AccessibleJTreeNode
,
MenuComponent.AccessibleAWTMenuComponent
-
public abstract class
AccessibleContext
-
extends
Object
AccessibleContext represents the minimum information all accessible objects return. This information includes the accessible name, description, role, and state of the object, as well as information about its parent and children. AccessibleContext also contains methods for obtaining more specific accessibility information about a component. If the component supports them, these methods will return an object that implements one or more of the following interfaces:
-
AccessibleAction
- the object can perform one or more actions. This interface provides the standard mechanism for an assistive technology to determine what those actions are and tell the object to perform them. Any object that can be manipulated should support this interface.
-
AccessibleComponent
- the object has a graphical representation. This interface provides the standard mechanism for an assistive technology to determine and set the graphical representation of the object. Any object that is rendered on the screen should support this interface.
-
AccessibleSelection
- the object allows its children to be selected. This interface provides the standard mechanism for an assistive technology to determine the currently selected children of the object as well as modify its selection set. Any object that has children that can be selected should support this interface.
-
AccessibleText
- the object presents editable textual information on the display. This interface provides the standard mechanism for an assistive technology to access that text via its content, attributes, and spatial location. Any object that contains editable text should support this interface.
-
AccessibleValue
- the object supports a numerical value. This interface provides the standard mechanism for an assistive technology to determine and set the current value of the object, as well as obtain its minimum and maximum values. Any object that supports a numerical value should support this interface.
Methods inherited from class java.lang.
Object
|
clone
,
equals
,
finalize
,
getClass
,
hashCode
,
notify
,
notifyAll
,
toString
,
wait
,
wait
,
wait
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ACCESSIBLE_NAME_PROPERTY
public static final String ACCESSIBLE_NAME_PROPERTY
-
Constant used to determine when the accessibleName property has changed. The old value in the PropertyChangeEvent will be the old accessibleName and the new value will be the new accessibleName.
-
See Also:
-
getAccessibleName()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_DESCRIPTION_PROPERTY
public static final String ACCESSIBLE_DESCRIPTION_PROPERTY
-
Constant used to determine when the accessibleDescription property has changed. The old value in the PropertyChangeEvent will be the old accessibleDescription and the new value will be the new accessibleDescription.
-
See Also:
-
getAccessibleDescription()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_STATE_PROPERTY
public static final String ACCESSIBLE_STATE_PROPERTY
-
Constant used to determine when the accessibleStateSet property has changed. The old value will be the old AccessibleState and the new value will be the new AccessibleState in the accessibleStateSet. For example, if a component that supports the vertical and horizontal states changes its orientation from vertical to horizontal, the old value will be AccessibleState.VERTICAL and the new value will be AccessibleState.HORIZONTAL. Please note that either value can also be null. For example, when a component changes from being enabled to disabled, the old value will be AccessibleState.ENABLED and the new value will be null.
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See Also:
-
getAccessibleStateSet()
,
AccessibleState
,
AccessibleStateSet
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_VALUE_PROPERTY
public static final String ACCESSIBLE_VALUE_PROPERTY
-
Constant used to determine when the accessibleValue property has changed. The old value in the PropertyChangeEvent will be a Number representing the old value and the new value will be a Number representing the new value
-
See Also:
-
getAccessibleValue()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_SELECTION_PROPERTY
public static final String ACCESSIBLE_SELECTION_PROPERTY
-
Constant used to determine when the accessibleSelection has changed. The old and new values in the PropertyChangeEvent are currently reserved for future use.
-
See Also:
-
getAccessibleSelection()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_CARET_PROPERTY
ACCESSIBLE_TEXT_PROPERTY
public static final StringACCESSIBLE_CARET_PROPERTY ACCESSIBLE_TEXT_PROPERTY
-
Constant used to determine when the accessibleText caret has changed. The old value in the PropertyChangeEvent will be an integer representing the old caret position, and the new value will be an integer representing the new/current caret position.
Constant used to determine when the accessibleText has changed. The old and new values in the PropertyChangeEvent are currently reserved for future use.
-
See Also:
-
addPropertyChangeListener(java.beans.PropertyChangeListener)
getAccessibleText()
,
Constant Field Values
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
ACCESSIBLE_VISIBLE_DATA_PROPERTY
ACCESSIBLE_CARET_PROPERTY
public static final StringACCESSIBLE_VISIBLE_DATA_PROPERTY ACCESSIBLE_CARET_PROPERTY
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Constant used to determine when the visual appearance of the object has changed. The old and new values in the PropertyChangeEvent are currently reserved for future use.
Constant used to determine when the accessibleText caret has changed. The old value in the PropertyChangeEvent will be an integer representing the old caret position, and the new value will be an integer representing the new/current caret position.
-
See Also:
-
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
Constant Field Values
ACCESSIBLE_CHILD_PROPERTY
ACCESSIBLE_VISIBLE_DATA_PROPERTY
public static final StringACCESSIBLE_CHILD_PROPERTY ACCESSIBLE_VISIBLE_DATA_PROPERTY
-
Constant used to determine when Accessible children are added/removed from the object. If an Accessible child is being added, the old value will be null and the new value will be the Accessible child. If an Accessible child is being removed, the old value will be the Accessible child, and the new value will be null.
Constant used to determine when the visual appearance of the object has changed. The old and new values in the PropertyChangeEvent are currently reserved for future use.
-
See Also:
-
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
Constant Field Values
ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY
ACCESSIBLE_CHILD_PROPERTY
public static final StringACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY ACCESSIBLE_CHILD_PROPERTY
-
Constant used to determine when the active descendant of a component has changed. The active descendant is used for objects such as list, tree, and table, which may have transient children. When the active descendant has changed, the old value of the property change event will be the Accessible representing the previous active child, and the new value will be the Accessible representing the current active child.
Constant used to determine when Accessible children are added/removed from the object. If an Accessible child is being added, the old value will be null and the new value will be the Accessible child. If an Accessible child is being removed, the old value will be the Accessible child, and the new value will be null.
-
See Also:
-
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
Constant Field Values
ACCESSIBLE_TABLE_CAPTION_CHANGED
ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY
public static final StringACCESSIBLE_TABLE_CAPTION_CHANGED ACCESSIBLE_ACTIVE_DESCENDANT_PROPERTY
-
Constant used to indicate that the table caption has changed The old value in the PropertyChangeEvent will be an Accessible representing the previous table caption and the new value will be an Accessible representing the new table caption.
Constant used to determine when the active descendant of a component has changed. The active descendant is used for objects such as list, tree, and table, which may have transient children. When the active descendant has changed, the old value of the property change event will be the Accessible representing the previous active child, and the new value will be the Accessible representing the current active child.
-
See Also:
-
Accessible
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
AccessibleTable
Constant Field Values
,
Constant Field Values
ACCESSIBLE_TABLE_SUMMARY_CHANGED
ACCESSIBLE_TABLE_CAPTION_CHANGED
public static final StringACCESSIBLE_TABLE_SUMMARY_CHANGED ACCESSIBLE_TABLE_CAPTION_CHANGED
-
Constant used to indicate that the table
summary
caption
has changed The old value in the PropertyChangeEvent will be an Accessible representing the previous table
summary
caption
and the new value will be an Accessible representing the new table
summary.
caption.
-
See Also:
-
Accessible
,
AccessibleTable
,
Constant Field Values
Constant Field Values
ACCESSIBLE_TABLE_MODEL_CHANGED
ACCESSIBLE_TABLE_SUMMARY_CHANGED
public static final StringACCESSIBLE_TABLE_MODEL_CHANGED ACCESSIBLE_TABLE_SUMMARY_CHANGED
-
Constant used to indicate that
the
table
data
summary
has
changed.
changed
The old value in the PropertyChangeEvent will be
null
an Accessible representing the previous table summary
and the new value will be an
AccessibleTableModelChange
Accessible
representing the
new
table
change.
summary.
-
See Also:
-
AccessibleTable
Accessible
,
AccessibleTableModelChange
AccessibleTable
,
Constant Field Values
Constant Field Values
ACCESSIBLE_TABLE_ROW_HEADER_CHANGED
ACCESSIBLE_TABLE_MODEL_CHANGED
public static final StringACCESSIBLE_TABLE_ROW_HEADER_CHANGED ACCESSIBLE_TABLE_MODEL_CHANGED
-
Constant used to indicate that
the row header
table data
has
changed
changed.
The old value in the PropertyChangeEvent will be null and the new value will be an AccessibleTableModelChange representing the
header
table
change.
-
See Also:
-
AccessibleTable
,
AccessibleTableModelChange
,
Constant Field Values
Constant Field Values
ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED
ACCESSIBLE_TABLE_ROW_HEADER_CHANGED
public static final StringACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED ACCESSIBLE_TABLE_ROW_HEADER_CHANGED
-
Constant used to indicate that the row
description
header
has changed The old value in the PropertyChangeEvent will be null and the new value will be an
Integer
AccessibleTableModelChange
representing the
row index.
header change.
-
See Also:
-
AccessibleTable
,
Constant Field Values
AccessibleTableModelChange
,
Constant Field Values
ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED
ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED
public static final StringACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED ACCESSIBLE_TABLE_ROW_DESCRIPTION_CHANGED
-
Constant used to indicate that the
column header
row description
has changed The old value in the PropertyChangeEvent will be null and the new value will be an
AccessibleTableModelChange
Integer
representing the
header change.
row index.
-
See Also:
-
AccessibleTable
,
AccessibleTableModelChange
Constant Field Values
,
Constant Field Values
ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED
ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED
public static final StringACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED ACCESSIBLE_TABLE_COLUMN_HEADER_CHANGED
-
Constant used to indicate that the column
description
header
has changed The old value in the PropertyChangeEvent will be null and the new value will be an
Integer
AccessibleTableModelChange
representing the
column index.
header change.
-
See Also:
-
AccessibleTable
,
Constant Field Values
AccessibleTableModelChange
,
Constant Field Values
ACCESSIBLE_ACTION_PROPERTY
ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED
public static final StringACCESSIBLE_ACTION_PROPERTY ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_CHANGED
-
Constant used to indicate that the
supported set of actions
column description
has
changed.
changed
The old value in the PropertyChangeEvent will be
an Integer representing the old number of actions supported
null
and the new value will be an Integer representing the
new number of actions supported.
column index.
-
See Also:
-
AccessibleAction
AccessibleTable
,
Constant Field Values
Constant Field Values
ACCESSIBLE_HYPERTEXT_OFFSET
ACCESSIBLE_ACTION_PROPERTY
public static final StringACCESSIBLE_HYPERTEXT_OFFSET ACCESSIBLE_ACTION_PROPERTY
-
Constant used to indicate that
a hypertext element
the supported set of actions
has
received focus.
changed.
The old value in the PropertyChangeEvent will be an Integer representing the
start index in the document
old number
of
the previous element that had focus
actions supported
and the new value will be an Integer representing the
start index in the document
new number
of
the current element that has focus. A value of -1 indicates that an element does not or did not have focus.
actions supported.
-
See Also:
-
AccessibleHyperlink
AccessibleAction
,
Constant Field Values
Constant Field Values
ACCESSIBLE_TEXT_PROPERTY
ACCESSIBLE_HYPERTEXT_OFFSET
public static final StringACCESSIBLE_TEXT_PROPERTY ACCESSIBLE_HYPERTEXT_OFFSET
-
PropertyChangeEvent which indicates that text has changed.
For text insertion, the oldValue is null and the newValue is an AccessibleTextSequence specifying the text that was inserted.
For text deletion, the oldValue is an AccessibleTextSequence specifying the text that was deleted and the newValue is null.
For text replacement, the oldValue is an AccessibleTextSequence specifying the old text and the newValue is an AccessibleTextSequence specifying the new text.
Constant used to indicate that a hypertext element has received focus. The old value in the PropertyChangeEvent will be an Integer representing the start index in the document of the previous element that had focus and the new value will be an Integer representing the start index in the document of the current element that has focus. A value of -1 indicates that an element does not or did not have focus.
-
See Also:
-
getAccessibleText()
AccessibleHyperlink
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
Constant Field Values
, #AccessibleText.AccessibleTextSequence,
Constant Field Values
ACCESSIBLE_INVALIDATE_CHILDREN
public static final StringACCESSIBLE_INVALIDATE_CHILDREN
-
PropertyChangeEvent which indicates that a significant change has occurred to the children of a component like a tree or text. This change notifies the event listener that it needs to reacquire the state of the subcomponents. The oldValue is null and the newValue is the component whose children have become invalid.
-
See Also:
-
getAccessibleText()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
, #AccessibleText.AccessibleTextSequence,
Constant Field Values
ACCESSIBLE_TEXT_ATTRIBUTES_CHANGED
public static final StringACCESSIBLE_TEXT_ATTRIBUTES_CHANGED
-
PropertyChangeEvent which indicates that text attributes have changed.
For attribute insertion, the oldValue is null and the newValue is an AccessibleAttributeSequence specifying the attributes that were inserted.
For attribute deletion, the oldValue is an AccessibleAttributeSequence specifying the attributes that were deleted and the newValue is null.
For attribute replacement, the oldValue is an AccessibleAttributeSequence specifying the old attributes and the newValue is an AccessibleAttributeSequence specifying the new attributes.
-
See Also:
-
getAccessibleText()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
, #AccessibleText.AccessibleAttributeSequence,
Constant Field Values
ACCESSIBLE_COMPONENT_BOUNDS_CHANGED
public static final StringACCESSIBLE_COMPONENT_BOUNDS_CHANGED
-
PropertyChangeEvent which indicates that a change has occurred in a component's bounds. The oldValue is null and the newValue is the component whose bounds has changed.
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See Also:
-
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
Constant Field Values
accessibleParent
protected Accessible accessibleParent
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The accessible parent of this object.
-
See Also:
-
getAccessibleParent()
,
setAccessibleParent(javax.accessibility.Accessible)
accessibleName
protected String accessibleName
-
A localized String containing the name of the object.
-
See Also:
-
getAccessibleName()
,
setAccessibleName(java.lang.String)
accessibleDescription
protected String accessibleDescription
-
A localized String containing the description of the object.
-
See Also:
-
getAccessibleDescription()
,
setAccessibleDescription(java.lang.String)
AccessibleContext
public AccessibleContext()
getAccessibleName
public String getAccessibleName()
-
Gets the accessibleName property of this object. The accessibleName property of an object is a localized String that designates the purpose of the object. For example, the accessibleName property of a label or button might be the text of the label or button itself. In the case of an object that doesn't display its name, the accessibleName should still be set. For example, in the case of a text field used to enter the name of a city, the accessibleName for the en_US locale could be 'city.'
-
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Returns:
-
the localized name of the object; null if this object does not have a name
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See Also:
-
setAccessibleName(java.lang.String)
setAccessibleName
public void setAccessibleName(String s)
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Sets the localized accessible name of this object. Changing the name will cause a PropertyChangeEvent to be fired for the ACCESSIBLE_NAME_PROPERTY property.
-
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Parameters:
-
s - the new localized name of the object.
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See Also:
-
getAccessibleName()
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
getAccessibleDescription
public String getAccessibleDescription()
-
Gets the accessibleDescription property of this object. The accessibleDescription property of this object is a short localized phrase describing the purpose of the object. For example, in the case of a 'Cancel' button, the accessibleDescription could be 'Ignore changes and close dialog box.'
-
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Returns:
-
the localized description of the object; null if this object does not have a description
-
See Also:
-
setAccessibleDescription(java.lang.String)
setAccessibleDescription
public void setAccessibleDescription(String s)
-
Sets the accessible description of this object. Changing the name will cause a PropertyChangeEvent to be fired for the ACCESSIBLE_DESCRIPTION_PROPERTY property.
-
-
Parameters:
-
s - the new localized description of the object
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See Also:
-
setAccessibleName(java.lang.String)
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
getAccessibleRole
public abstract AccessibleRole getAccessibleRole()
-
Gets the role of this object. The role of the object is the generic purpose or use of the class of this object. For example, the role of a push button is AccessibleRole.PUSH_BUTTON. The roles in AccessibleRole are provided so component developers can pick from a set of predefined roles. This enables assistive technologies to provide a consistent interface to various tweaked subclasses of components (e.g., use AccessibleRole.PUSH_BUTTON for all components that act like a push button) as well as distinguish between sublasses that behave differently (e.g., AccessibleRole.CHECK_BOX for check boxes and AccessibleRole.RADIO_BUTTON for radio buttons).
Note that the AccessibleRole class is also extensible, so custom component developers can define their own AccessibleRole's if the set of predefined roles is inadequate.
-
-
Returns:
-
an instance of AccessibleRole describing the role of the object
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See Also:
-
AccessibleRole
getAccessibleStateSet
public abstract AccessibleStateSet getAccessibleStateSet()
-
Gets the state set of this object. The AccessibleStateSet of an object is composed of a set of unique AccessibleStates. A change in the AccessibleStateSet of an object will cause a PropertyChangeEvent to be fired for the ACCESSIBLE_STATE_PROPERTY property.
-
-
Returns:
-
an instance of AccessibleStateSet containing the current state set of the object
-
See Also:
-
AccessibleStateSet
,
AccessibleState
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
getAccessibleParent
public Accessible getAccessibleParent()
-
Gets the Accessible parent of this object.
-
-
Returns:
-
the Accessible parent of this object; null if this object does not have an Accessible parent
setAccessibleParent
public void setAccessibleParent(Accessible a)
-
Sets the Accessible parent of this object. This is meant to be used only in the situations where the actual component's parent should not be treated as the component's accessible parent and is a method that should only be called by the parent of the accessible child.
-
-
Parameters:
-
a - - Accessible to be set as the parent
getAccessibleIndexInParent
public abstract int getAccessibleIndexInParent()
-
Gets the 0-based index of this object in its accessible parent.
-
-
Returns:
-
the 0-based index of this object in its parent; -1 if this object does not have an accessible parent.
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See Also:
-
getAccessibleParent()
,
getAccessibleChildrenCount()
,
getAccessibleChild(int)
getAccessibleChildrenCount
public abstract int getAccessibleChildrenCount()
-
Returns the number of accessible children of the object.
-
-
Returns:
-
the number of accessible children of the object.
getAccessibleChild
public abstract Accessible getAccessibleChild(int i)
-
Returns the specified Accessible child of the object. The Accessible children of an Accessible object are zero-based, so the first child of an Accessible child is at index 0, the second child is at index 1, and so on.
-
-
Parameters:
-
i - zero-based index of child
-
Returns:
-
the Accessible child of the object
-
See Also:
-
getAccessibleChildrenCount()
getLocale
public abstract Locale getLocale()
throws IllegalComponentStateException
-
Gets the locale of the component. If the component does not have a locale, then the locale of its parent is returned.
-
-
Returns:
-
this component's locale. If this component does not have a locale, the locale of its parent is returned.
-
Throws:
-
IllegalComponentStateException
- If the Component does not have its own locale and has not yet been added to a containment hierarchy such that the locale can be determined from the containing parent.
addPropertyChangeListener
public void addPropertyChangeListener(PropertyChangeListener listener)
-
Adds a PropertyChangeListener to the listener list. The listener is registered for all Accessible properties and will be called when those properties change.
-
-
Parameters:
-
listener - The PropertyChangeListener to be added
-
See Also:
-
ACCESSIBLE_NAME_PROPERTY
,
ACCESSIBLE_DESCRIPTION_PROPERTY
,
ACCESSIBLE_STATE_PROPERTY
,
ACCESSIBLE_VALUE_PROPERTY
,
ACCESSIBLE_SELECTION_PROPERTY
,
ACCESSIBLE_TEXT_PROPERTY
,
ACCESSIBLE_VISIBLE_DATA_PROPERTY
removePropertyChangeListener
public void removePropertyChangeListener(PropertyChangeListener listener)
-
Removes a PropertyChangeListener from the listener list. This removes a PropertyChangeListener that was registered for all properties.
-
-
Parameters:
-
listener - The PropertyChangeListener to be removed
getAccessibleAction
public AccessibleAction getAccessibleAction()
-
Gets the AccessibleAction associated with this object that supports one or more actions.
-
-
Returns:
-
AccessibleAction if supported by object; else return null
-
See Also:
-
AccessibleAction
getAccessibleComponent
public AccessibleComponent getAccessibleComponent()
-
Gets the AccessibleComponent associated with this object that has a graphical representation.
-
-
Returns:
-
AccessibleComponent if supported by object; else return null
-
See Also:
-
AccessibleComponent
getAccessibleSelection
public AccessibleSelection getAccessibleSelection()
-
Gets the AccessibleSelection associated with this object which allows its Accessible children to be selected.
-
-
Returns:
-
AccessibleSelection if supported by object; else return null
-
See Also:
-
AccessibleSelection
getAccessibleText
public AccessibleText getAccessibleText()
-
Gets the AccessibleText associated with this object presenting text on the display.
-
-
Returns:
-
AccessibleText if supported by object; else return null
-
See Also:
-
AccessibleText
getAccessibleEditableText
public AccessibleEditableText getAccessibleEditableText()
-
Gets the AccessibleEditableText associated with this object presenting editable text on the display.
-
-
Returns:
-
AccessibleEditableText if supported by object; else return null
-
See Also:
-
AccessibleEditableText
getAccessibleValue
public AccessibleValue getAccessibleValue()
-
Gets the AccessibleValue associated with this object that supports a Numerical value.
-
-
Returns:
-
AccessibleValue if supported by object; else return null
-
See Also:
-
AccessibleValue
getAccessibleIcon
public AccessibleIcon[] getAccessibleIcon()
-
Gets the AccessibleIcons associated with an object that has one or more associated icons
-
-
Returns:
-
an array of AccessibleIcon if supported by object; otherwise return null
-
See Also:
-
AccessibleIcon
getAccessibleRelationSet
public AccessibleRelationSet getAccessibleRelationSet()
-
Gets the AccessibleRelationSet associated with an object
-
-
Returns:
-
an AccessibleRelationSet if supported by object; otherwise return null
-
See Also:
-
AccessibleRelationSet
getAccessibleTable
public AccessibleTable getAccessibleTable()
-
Gets the AccessibleTable associated with an object
-
-
Returns:
-
an AccessibleTable if supported by object; otherwise return null
-
See Also:
-
AccessibleTable
firePropertyChange
public void firePropertyChange(String propertyName,
Object oldValue,
Object newValue)
-
Support for reporting bound property changes. If oldValue and newValue are not equal and the PropertyChangeEvent listener list is not empty, then fire a PropertyChange event to each listener. In general, this is for use by the Accessible objects themselves and should not be called by an application program.
-
-
Parameters:
-
propertyName - The programmatic name of the property that was changed.
-
oldValue - The old value of the property.
-
newValue - The new value of the property.
-
See Also:
-
PropertyChangeSupport
,
addPropertyChangeListener(java.beans.PropertyChangeListener)
,
removePropertyChangeListener(java.beans.PropertyChangeListener)
,
ACCESSIBLE_NAME_PROPERTY
,
ACCESSIBLE_DESCRIPTION_PROPERTY
,
ACCESSIBLE_STATE_PROPERTY
,
ACCESSIBLE_VALUE_PROPERTY
,
ACCESSIBLE_SELECTION_PROPERTY
,
ACCESSIBLE_TEXT_PROPERTY
,
ACCESSIBLE_VISIBLE_DATA_PROPERTY