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javax.swing

Class JLabel.AccessibleJLabel

Enclosing Class:
JLabel
Implemented Interfaces:
AccessibleComponent, AccessibleExtendedComponent, AccessibleText, Serializable
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.Container.AccessibleAWTContainer

Container.AccessibleAWTContainer.AccessibleContainerHandler

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.Container.AccessibleAWTContainer

accessibleContainerHandler

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

Method Summary

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.
int
getCharCount()
Returns the number of characters that are displayed by the JLabel.
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
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, getAccessibleName, getAccessibleRole, getAccessibleStateSet, getBorderTitle, getTitledBorderText, getToolTipText, removePropertyChangeListener

Methods inherited from class java.awt.Container.AccessibleAWTContainer

getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount

Methods inherited from class java.awt.Component.AccessibleAWTComponent

addFocusListener, addPropertyChangeListener, contains, getAccessibleAt, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getAccessibleRole, 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

Methods inherited from class javax.accessibility.AccessibleContext

addPropertyChangeListener, firePropertyChange, getAccessibleAction, getAccessibleChild, getAccessibleChildrenCount, getAccessibleComponent, getAccessibleDescription, getAccessibleEditableText, getAccessibleIcon, getAccessibleIndexInParent, getAccessibleName, getAccessibleParent, getAccessibleRelationSet, getAccessibleRole, getAccessibleSelection, getAccessibleStateSet, getAccessibleTable, getAccessibleText, getAccessibleValue, getLocale, removePropertyChangeListener, setAccessibleDescription, setAccessibleName, setAccessibleParent

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getAccessibleName

public String getAccessibleName()
Returns the accessible name.
Overrides:
getAccessibleName in interface JComponent.AccessibleJComponent
Returns:
The accessible name.

getAccessibleRole

public AccessibleRole getAccessibleRole()
Returns the accessible role for the JLabel component.
Overrides:
getAccessibleRole in interface JComponent.AccessibleJComponent
Returns:
AccessibleRole.LABEL.

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

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

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

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

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

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

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

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
JLabel.java -- Copyright (C) 2002, 2004, 2005, 2006, Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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