javax.swing

Class JLabel.AccessibleJLabel

java.lang.Object

javax.accessibility.AccessibleContext

java.awt.Component.AccessibleAWTComponent

java.awt.Container.AccessibleAWTContainer

javax.swing.JComponent.AccessibleJComponent

javax.swing.JLabel.AccessibleJLabel

All Implemented Interfaces:

Serializable, AccessibleComponent, AccessibleExtendedComponent, AccessibleText

Enclosing class:

JLabel

protected class JLabel.AccessibleJLabel
extends JComponent.AccessibleJComponent
implements AccessibleText, AccessibleExtendedComponent

Provides the accessibility features for the JLabel component.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JComponent.AccessibleJComponent

JComponent.AccessibleJComponent.AccessibleContainerHandler, JComponent.AccessibleJComponent.AccessibleFocusHandler

Nested classes/interfaces inherited from class java.awt.Component.AccessibleAWTComponent

Component.AccessibleAWTComponent.AccessibleAWTComponentHandler, Component.AccessibleAWTComponent.AccessibleAWTFocusHandler

Field Summary

Fields inherited from class javax.swing.JComponent.AccessibleJComponent

accessibleContainerHandler, accessibleFocusHandler

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.AccessibleText

CHARACTER, SENTENCE, WORD

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	JLabel.AccessibleJLabel()

Method Summary

Methods

Modifier and Type	Method and Description
String	getAccessibleName() Returns the accessible name.
AccessibleRole	getAccessibleRole() Returns the accessible role for the JLabel component.
String	getAfterIndex(int part, int index) Returns the character, word or sentence after the specified index.
String	getAtIndex(int part, int index) Returns the character, word or sentence at the specified index.
String	getBeforeIndex(int part, int index) Returns the character, word or sentence before the specified index.
int	getCaretPosition() Returns the caret position.
AttributeSet	getCharacterAttribute(int index) Returns an AttributeSet that reflects the text attributes of the specified character.
Rectangle	getCharacterBounds(int index) Returns the bounding box of the character at the specified index.
int	getCharCount() Returns the number of characters that are displayed by the JLabel.
int	getIndexAtPoint(Point point) Returns the index of the character that is located at the specified point.
String	getSelectedText() Returns the selected text.
int	getSelectionEnd() Returns the end index of the selected text.
int	getSelectionStart() Returns the start index of the selected text.

Methods inherited from class javax.swing.JComponent.AccessibleJComponent

addPropertyChangeListener, getAccessibleChild, getAccessibleChildrenCount, getAccessibleDescription, getAccessibleKeyBinding, getAccessibleStateSet, getBorderTitle, getTitledBorderText, getToolTipText, removePropertyChangeListener

Methods inherited from class java.awt.Container.AccessibleAWTContainer

getAccessibleAt

Methods inherited from class java.awt.Component.AccessibleAWTComponent

addFocusListener, contains, getAccessibleComponent, getAccessibleIndexInParent, getAccessibleParent, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocale, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible

Methods inherited from class javax.accessibility.AccessibleContext

firePropertyChange, getAccessibleAction, getAccessibleEditableText, getAccessibleIcon, getAccessibleRelationSet, getAccessibleSelection, getAccessibleTable, getAccessibleText, getAccessibleValue, setAccessibleDescription, setAccessibleName, setAccessibleParent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.accessibility.AccessibleExtendedComponent

getAccessibleKeyBinding, getTitledBorderText, getToolTipText

Methods inherited from interface javax.accessibility.AccessibleComponent

addFocusListener, contains, getAccessibleAt, getBackground, getBounds, getCursor, getFont, getFontMetrics, getForeground, getLocation, getLocationOnScreen, getSize, isEnabled, isFocusTraversable, isShowing, isVisible, removeFocusListener, requestFocus, setBackground, setBounds, setCursor, setEnabled, setFont, setForeground, setLocation, setSize, setVisible

Constructor Detail

JLabel.AccessibleJLabel

protected JLabel.AccessibleJLabel()

Method Detail

getAccessibleName

public String getAccessibleName()

Returns the accessible name.

Overrides:

getAccessibleName in class JComponent.AccessibleJComponent

Returns:

The accessible name.

See Also:

AccessibleContext.setAccessibleName(String)

getAccessibleRole

public AccessibleRole getAccessibleRole()

Returns the accessible role for the JLabel component.

Overrides:

getAccessibleRole in class JComponent.AccessibleJComponent

Returns:

AccessibleRole.LABEL.

See Also:

AccessibleRole

getSelectedText

public String getSelectedText()

Returns the selected text. This is null since JLabels are not selectable.

Specified by:

getSelectedText in interface AccessibleText

Returns:

null because JLabels cannot have selected text

getSelectionStart

public int getSelectionStart()

Returns the start index of the selected text.

Specified by:

getSelectionStart in interface AccessibleText

Returns:

the start index of the selected text

getSelectionEnd

public int getSelectionEnd()

Returns the end index of the selected text.

Specified by:

getSelectionEnd in interface AccessibleText

Returns:

the end index of the selected text

getCharacterAttribute

public AttributeSet getCharacterAttribute(int index)

Returns an AttributeSet that reflects the text attributes of the specified character. We return an empty AttributeSet here, because JLabels don't support text attributes (at least not yet).

Specified by:

getCharacterAttribute in interface AccessibleText

Parameters:

index - the index of the character

Returns:

an AttributeSet that reflects the text attributes of the specified character

getAtIndex

public String getAtIndex(int part,
                int index)

Returns the character, word or sentence at the specified index. The part parameter determines what is returned, the character, word or sentence after the index.

Specified by:

getAtIndex in interface AccessibleText

Parameters:

part - one of AccessibleText.CHARACTER, AccessibleText.WORD or AccessibleText.SENTENCE, specifying what is returned

index - the index

Returns:

the character, word or sentence after index

getAfterIndex

public String getAfterIndex(int part,
                   int index)

Returns the character, word or sentence after the specified index. The part parameter determines what is returned, the character, word or sentence after the index.

Specified by:

getAfterIndex in interface AccessibleText

Parameters:

part - one of AccessibleText.CHARACTER, AccessibleText.WORD or AccessibleText.SENTENCE, specifying what is returned

index - the index

Returns:

the character, word or sentence after index

getBeforeIndex

public String getBeforeIndex(int part,
                    int index)

Returns the character, word or sentence before the specified index. The part parameter determines what is returned, the character, word or sentence before the index.

Specified by:

getBeforeIndex in interface AccessibleText

Parameters:

part - one of AccessibleText.CHARACTER, AccessibleText.WORD or AccessibleText.SENTENCE, specifying what is returned

index - the index

Returns:

the character, word or sentence before index

getCaretPosition

public int getCaretPosition()

Returns the caret position. This method returns -1 because JLabel don't have a caret.

Specified by:

getCaretPosition in interface AccessibleText

Returns:

the caret position

getCharCount

public int getCharCount()

Returns the number of characters that are displayed by the JLabel.

Specified by:

getCharCount in interface AccessibleText

Returns:

the number of characters that are displayed by the JLabel

getCharacterBounds

public Rectangle getCharacterBounds(int index)

Returns the bounding box of the character at the specified index.

Specified by:

getCharacterBounds in interface AccessibleText

Parameters:

index - the index of the character that we return the bounds for

Returns:

the bounding box of the character at the specified index

getIndexAtPoint

public int getIndexAtPoint(Point point)

Returns the index of the character that is located at the specified point.

Specified by:

getIndexAtPoint in interface AccessibleText

Parameters:

point - the location that we lookup the character for

Returns:

the index of the character that is located at the specified point