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javax.accessibility
interface AccessibleText
- All Known Subinterfaces:
- AccessibleEditableText, AccessibleHypertext
- All Known Implementing Classes:
- AbstractButton.AccessibleAbstractButton, JButton.AccessibleJButton, JMenuItem.AccessibleJMenuItem, JToggleButton.AccessibleJToggleButton, JCheckBoxMenuItem.AccessibleJCheckBoxMenuItem, JMenu.AccessibleJMenu, JRadioButtonMenuItem.AccessibleJRadioButtonMenuItem, JCheckBox.AccessibleJCheckBox, JRadioButton.AccessibleJRadioButton, JLabel.AccessibleJLabel, JSpinner.AccessibleJSpinner, JTextComponent.AccessibleJTextComponent, JEditorPane.AccessibleJEditorPane, JTextArea.AccessibleJTextArea, JTextField.AccessibleJTextField, JEditorPane.AccessibleJEditorPaneHTML, JEditorPane.JEditorPaneAccessibleHypertextSupport, JPasswordField.AccessibleJPasswordField, ProgressMonitor.AccessibleProgressMonitor, TextComponent.AccessibleAWTTextComponent, TextArea.AccessibleAWTTextArea, TextField.AccessibleAWTTextField
public interface AccessibleText
The AccessibleText interface should be implemented by all
classes that present 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.
Applications can determine if an object supports the AccessibleText
interface by first obtaining its AccessibleContext (see {@link Accessible})
and then calling the {@link AccessibleContext#getAccessibleText} method of
AccessibleContext. If the return value is not null, the object supports this
interface.
Field Summary |
static int |
CHARACTER
Constant used to indicate that the part of the text that should be
retrieved is a character. |
static int |
SENTENCE
Constant used to indicate that the part of the text that should be
retrieved is a sentence. |
static int |
WORD
Constant used to indicate that the part of the text that should be
retrieved is a word. |
Method Summary |
String |
Returns the String after a given index.
|
String |
Returns the String at a given index.
|
String |
Returns the String before a given index.
|
int |
Returns the zero-based offset of the caret.
|
AttributeSet |
Returns the AttributeSet for a given character at a given index
|
Rectangle |
Determines the bounding box of the character at the given
index into the string.
|
int |
Returns the number of characters (valid indicies)
|
int |
Given a point in local coordinates, return the zero-based index
of the character under that Point.
|
String |
Returns the portion of the text that is selected.
|
int |
Returns the end offset within the selected text.
|
int |
Returns the start offset within the selected text.
|
CHARACTER
public static final int CHARACTER
-
Constant used to indicate that the part of the text that should be
retrieved is a character.
SENTENCE
public static final int SENTENCE
-
Constant used to indicate that the part of the text that should be
retrieved is a sentence.
A sentence is a string of words which expresses an assertion,
a question, a command, a wish, an exclamation, or the performance
of an action. In English locales, the string usually begins with
a capital letter and concludes with appropriate end punctuation;
such as a period, question or exclamation mark. Other locales may
use different capitalization and/or punctuation.
WORD
public static final int WORD
-
Constant used to indicate that the part of the text that should be
retrieved is a word.
getAfterIndex
public String getAfterIndex(int part,
int index)
-
Returns the String after a given index.
- Parameters:
part
- the CHARACTER, WORD, or SENTENCE to retrieve
index
- an index within the text
- Returns:
- the letter, word, or sentence
getAtIndex
public String getAtIndex(int part,
int index)
-
Returns the String at a given index.
- Parameters:
part
- the CHARACTER, WORD, or SENTENCE to retrieve
index
- an index within the text
- Returns:
- the letter, word, or sentence
getBeforeIndex
public String getBeforeIndex(int part,
int index)
-
Returns the String before a given index.
- Parameters:
part
- the CHARACTER, WORD, or SENTENCE to retrieve
index
- an index within the text
- Returns:
- the letter, word, or sentence
getCaretPosition
public int getCaretPosition()
-
Returns the zero-based offset of the caret.
Note: That to the right of the caret will have the same index
value as the offset (the caret is between two characters).
- Returns:
- the zero-based offset of the caret.
getCharacterAttribute
public AttributeSet getCharacterAttribute(int i)
-
Returns the AttributeSet for a given character at a given index
- Parameters:
i
- the zero-based index into the text
- Returns:
- the AttributeSet of the character
getCharacterBounds
public Rectangle getCharacterBounds(int i)
-
Determines the bounding box of the character at the given
index into the string. The bounds are returned in local
coordinates. If the index is invalid an empty rectangle is returned.
- Parameters:
i
- the index into the String
- Returns:
- the screen coordinates of the character's bounding box,
if index is invalid return an empty rectangle.
getCharCount
public int getCharCount()
-
Returns the number of characters (valid indicies)
- Returns:
- the number of characters
getIndexAtPoint
public int getIndexAtPoint(Point p)
-
Given a point in local coordinates, return the zero-based index
of the character under that Point. If the point is invalid,
this method returns -1.
- Parameters:
p
- the Point in local coordinates
- Returns:
- the zero-based index of the character under Point p; if
Point is invalid return -1.
getSelectedText
public String getSelectedText()
-
Returns the portion of the text that is selected.
- Returns:
- the String portion of the text that is selected
getSelectionEnd
public int getSelectionEnd()
-
Returns the end offset within the selected text.
If there is no selection, but there is
a caret, the start and end offsets will be the same.
- Returns:
- the index into teh text of the end of the selection
getSelectionStart
public int getSelectionStart()
-
Returns the start offset within the selected text.
If there is no selection, but there is
a caret, the start and end offsets will be the same.
- Returns:
- the index into the text of the start of the selection
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
This page displays the
Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.