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
The class used to obtain the accessible role for this object.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans package. Please see XMLEncoder.

Since:
1.2

  • Constructor Details

    • AccessibleJLabel

      protected AccessibleJLabel()
      Constructs an AccessibleJLabel.

  • Method Details

    • getAccessibleName

      public String getAccessibleName()
      Get the accessible name of this object.
      Overrides:
      getAccessibleName in class JComponent.AccessibleJComponent
      Returns:
      the localized name of the object -- can be null if this object does not have a name
      See Also:

    • getAccessibleRole

      public AccessibleRole getAccessibleRole()
      Get the role of this object.
      Overrides:
      getAccessibleRole in class JComponent.AccessibleJComponent
      Returns:
      an instance of AccessibleRole describing the role of the object
      See Also:

    • getAccessibleIcon

      public AccessibleIcon[] getAccessibleIcon()
      Get the AccessibleIcons associated with this object if one or more exist. Otherwise return null.
      Overrides:
      getAccessibleIcon in class AccessibleContext
      Returns:
      an array of AccessibleIcon if supported by object; otherwise return null
      Since:
      1.3
      See Also:

    • getAccessibleRelationSet

      public AccessibleRelationSet getAccessibleRelationSet()
      Get the AccessibleRelationSet associated with this object if one exists. Otherwise return null.
      Overrides:
      getAccessibleRelationSet in class AccessibleContext
      Returns:
      an AccessibleRelationSet if supported by object; otherwise return null
      Since:
      1.3
      See Also:

    • 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.
      Specified by:
      getIndexAtPoint in interface AccessibleText
      Parameters:
      p - the Point in local coordinates
      Returns:
      the zero-based index of the character under Point p; if Point is invalid returns -1.
      Since:
      1.3

    • getCharacterBounds

      public Rectangle getCharacterBounds(int i)
      Returns the bounding box of the character at the given index in the string. The bounds are returned in local coordinates. If the index is invalid, null is returned.
      Specified by:
      getCharacterBounds in interface AccessibleText
      Parameters:
      i - the index into the String
      Returns:
      the screen coordinates of the character's bounding box. If the index is invalid, null is returned.
      Since:
      1.3

    • getCharCount

      public int getCharCount()
      Return the number of characters (valid indices)
      Specified by:
      getCharCount in interface AccessibleText
      Returns:
      the number of characters
      Since:
      1.3

    • getCaretPosition

      public int getCaretPosition()
      Return 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).
      Specified by:
      getCaretPosition in interface AccessibleText
      Returns:
      the zero-based offset of the caret.
      Since:
      1.3

    • getAtIndex

      public String getAtIndex(int part, int index)
      Returns the String at a given index.
      Specified by:
      getAtIndex in interface AccessibleText
      Parameters:
      part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
      index - an index within the text >= 0
      Returns:
      the letter, word, or sentence, null for an invalid index or part
      Since:
      1.3

    • getAfterIndex

      public String getAfterIndex(int part, int index)
      Returns the String after a given index.
      Specified by:
      getAfterIndex in interface AccessibleText
      Parameters:
      part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
      index - an index within the text >= 0
      Returns:
      the letter, word, or sentence, null for an invalid index or part
      Since:
      1.3

    • getBeforeIndex

      public String getBeforeIndex(int part, int index)
      Returns the String before a given index.
      Specified by:
      getBeforeIndex in interface AccessibleText
      Parameters:
      part - the AccessibleText.CHARACTER, AccessibleText.WORD, or AccessibleText.SENTENCE to retrieve
      index - an index within the text >= 0
      Returns:
      the letter, word, or sentence, null for an invalid index or part
      Since:
      1.3

    • getCharacterAttribute

      public AttributeSet getCharacterAttribute(int i)
      Return the AttributeSet for a given character at a given index
      Specified by:
      getCharacterAttribute in interface AccessibleText
      Parameters:
      i - the zero-based index into the text
      Returns:
      the AttributeSet of the character
      Since:
      1.3

    • 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.
      Specified by:
      getSelectionStart in interface AccessibleText
      Returns:
      the index into the text of the start of the selection
      Since:
      1.3

    • 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.
      Specified by:
      getSelectionEnd in interface AccessibleText
      Returns:
      the index into the text of the end of the selection
      Since:
      1.3

    • getSelectedText

      public String getSelectedText()
      Returns the portion of the text that is selected.
      Specified by:
      getSelectedText in interface AccessibleText
      Returns:
      the String portion of the text that is selected
      Since:
      1.3

    • getToolTipText

      public String getToolTipText()
      Returns the tool tip text
      Specified by:
      getToolTipText in interface AccessibleExtendedComponent
      Overrides:
      getToolTipText in class JComponent.AccessibleJComponent
      Returns:
      the tool tip text, if supported, of the object; otherwise, null
      Since:
      1.4

    • getTitledBorderText

      public String getTitledBorderText()
      Returns the titled border text
      Specified by:
      getTitledBorderText in interface AccessibleExtendedComponent
      Overrides:
      getTitledBorderText in class JComponent.AccessibleJComponent
      Returns:
      the titled border text, if supported, of the object; otherwise, null
      Since:
      1.4

    • getAccessibleKeyBinding

      public AccessibleKeyBinding getAccessibleKeyBinding()
      Returns key bindings associated with this object
      Specified by:
      getAccessibleKeyBinding in interface AccessibleExtendedComponent
      Overrides:
      getAccessibleKeyBinding in class JComponent.AccessibleJComponent
      Returns:
      the key bindings, if supported, of the object; otherwise, null
      Since:
      1.4
      See Also: