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Java Standard Edition (SE)

AbstractButton.AccessibleAbstractButton


javax.swing

Class AbstractButton.AccessibleAbstractButton

    • Constructor Detail

      • AccessibleAbstractButton

        protected AccessibleAbstractButton()
    • Method Detail

      • 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:
        AccessibleIcon
      • getAccessibleAction

        public AccessibleAction getAccessibleAction()
        Get the AccessibleAction associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleAction interface on behalf of itself.
        Overrides:
        getAccessibleAction in class AccessibleContext
        Returns:
        this object
        See Also:
        AccessibleAction
      • getAccessibleValue

        public AccessibleValue getAccessibleValue()
        Get the AccessibleValue associated with this object. In the implementation of the Java Accessibility API for this class, return this object, which is responsible for implementing the AccessibleValue interface on behalf of itself.
        Overrides:
        getAccessibleValue in class AccessibleContext
        Returns:
        this object
        See Also:
        AccessibleValue
      • getAccessibleActionCount

        public int getAccessibleActionCount()
        Returns the number of Actions available in this object. The default behavior of a button is to have one action - toggle the button.
        Specified by:
        getAccessibleActionCount in interface AccessibleAction
        Returns:
        1, the number of Actions in this object
      • 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. Note: the AbstractButton must have a valid size (e.g. have been added to a parent container whose ancestor container is a valid top-level window) for this method to be able to return a meaningful value.
        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)
        Determine 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. Note: the AbstractButton must have a valid size (e.g. have been added to a parent container whose ancestor container is a valid top-level window) for this method to be able to return a meaningful value.
        Specified by:
        getCharacterBounds in interface AccessibleText
        Parameters:
        i - the index into the String
        Returns:
        the screen coordinates of the character's the bounding box, if index is invalid returns an empty rectangle.
        Since:
        1.3
      • getCharCount

        public int getCharCount()
        Return the number of characters (valid indicies)
        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


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