javax.accessibility.Accessible Java Examples

static int[] getSelectedTextRange(final Accessible a, final Component c) {
    if (a == null) return new int[2];

    return CAccessibility.invokeAndWait(new Callable<int[]>() {
        public int[] call() {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return new int[2];

            final AccessibleText at = ac.getAccessibleText();
            if (at == null) return new int[2];

            final int[] ret = new int[2];
            ret[0] = at.getSelectionStart();
            ret[1] = at.getSelectionEnd();
            return ret;
        }
    }, c);
}
 

static int[] getVisibleCharacterRange(final Accessible a) {
    final Accessible sa = CAccessible.getSwingAccessible(a);
    if (!(sa instanceof JTextComponent)) return null;

    final JTextComponent jc = (JTextComponent) sa;
    final Rectangle rect = jc.getVisibleRect();
    final Point topLeft = new Point(rect.x, rect.y);
    final Point topRight = new Point(rect.x + rect.width, rect.y);
    final Point bottomLeft = new Point(rect.x, rect.y + rect.height);
    final Point bottomRight = new Point(rect.x + rect.width, rect.y + rect.height);

    int start = Math.min(jc.viewToModel(topLeft), jc.viewToModel(topRight));
    int end = Math.max(jc.viewToModel(bottomLeft), jc.viewToModel(bottomRight));
    if (start < 0) start = 0;
    if (end < 0) end = 0;
    return new int[] { start, end };
}
 

static int[] getSelectedTextRange(final Accessible a, final Component c) {
    if (a == null) return new int[2];

    return CAccessibility.invokeAndWait(new Callable<int[]>() {
        public int[] call() {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return new int[2];

            final AccessibleText at = ac.getAccessibleText();
            if (at == null) return new int[2];

            final int[] ret = new int[2];
            ret[0] = at.getSelectionStart();
            ret[1] = at.getSelectionEnd();
            return ret;
        }
    }, c);
}
 

static int[] getSelectedTextRange(final Accessible a, final Component c) {
    if (a == null) return new int[2];

    return CAccessibility.invokeAndWait(new Callable<int[]>() {
        public int[] call() {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return new int[2];

            final AccessibleText at = ac.getAccessibleText();
            if (at == null) return new int[2];

            final int[] ret = new int[2];
            ret[0] = at.getSelectionStart();
            ret[1] = at.getSelectionEnd();
            return ret;
        }
    }, c);
}
 

static int[] getVisibleCharacterRange(final Accessible a) {
    final Accessible sa = CAccessible.getSwingAccessible(a);
    if (!(sa instanceof JTextComponent)) return null;

    final JTextComponent jc = (JTextComponent) sa;
    final Rectangle rect = jc.getVisibleRect();
    final Point topLeft = new Point(rect.x, rect.y);
    final Point topRight = new Point(rect.x + rect.width, rect.y);
    final Point bottomLeft = new Point(rect.x, rect.y + rect.height);
    final Point bottomRight = new Point(rect.x + rect.width, rect.y + rect.height);

    int start = Math.min(jc.viewToModel(topLeft), jc.viewToModel(topRight));
    int end = Math.max(jc.viewToModel(bottomLeft), jc.viewToModel(bottomRight));
    if (start < 0) start = 0;
    if (end < 0) end = 0;
    return new int[] { start, end };
}
 

static AccessibleEditableText getAccessibleEditableText(final Accessible a, final Component c) {
    if (a == null) return null;

    return CAccessibility.invokeAndWait(new Callable<AccessibleEditableText>() {
        public AccessibleEditableText call() throws Exception {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return null;
            return ac.getAccessibleEditableText();
        }
    }, c);
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        uis.elementAt(0).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        uis.elementAt(i).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        uis.elementAt(0).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        uis.elementAt(i).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

private CAccessible(final Accessible accessible) {
    super(0L, true); // real pointer will be poked in by native

    if (accessible == null) throw new NullPointerException();
    this.accessible = accessible;

    if (accessible instanceof Component) {
        addNotificationListeners((Component)accessible);
    }
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

static String getStringForRange(final Accessible a, final Component c, final int location, final int length) {
    if (a == null) return null;
    return CAccessibility.invokeAndWait(new Callable<String>() {
        public String call() throws Exception {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return null;

            final AccessibleEditableText aet = ac.getAccessibleEditableText();
            if (aet == null) return null;

            return aet.getTextRange(location, location + length);
        }
    }, c);
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

static int[] getRangeForLine(final Accessible a, final int lineIndex) {
    Accessible sa = CAccessible.getSwingAccessible(a);
    if (!(sa instanceof JTextComponent)) return null;

    final JTextComponent jc = (JTextComponent) sa;
    final Element root = jc.getDocument().getDefaultRootElement();
    final Element line = root.getElement(lineIndex);
    if (line == null) return null;

    return new int[] { line.getStartOffset(), line.getEndOffset() };
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

static String getSelectedText(final Accessible a, final Component c) {
    if (a == null) return null;

    return CAccessibility.invokeAndWait(new Callable<String>() {
        public String call() throws Exception {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return null;

            final AccessibleText at = ac.getAccessibleText();
            if (at == null) return null;

            return at.getSelectedText();
        }
    }, c);
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

static String getSelectedText(final Accessible a, final Component c) {
    if (a == null) return null;

    return CAccessibility.invokeAndWait(new Callable<String>() {
        public String call() throws Exception {
            final AccessibleContext ac = a.getAccessibleContext();
            if (ac == null) return null;

            final AccessibleText at = ac.getAccessibleText();
            if (at == null) return null;

            return at.getSelectedText();
        }
    }, c);
}
 

@Override protected void updateItem(int index) {
  if (isPopupVisible()) {
    CheckableItem item = getItemAt(index);
    item.setSelected(!item.isSelected());
    repaint();
    Accessible a = getAccessibleContext().getAccessibleChild(0);
    if (a instanceof ComboPopup) {
      ((ComboPopup) a).getList().repaint();
    }
  }
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}
 

/**
 * Invokes the <code>getAccessibleChild</code> method on each UI handled by this object.
 *
 * @return the value obtained from the first UI, which is
 * the UI obtained from the default <code>LookAndFeel</code>
 */
public Accessible getAccessibleChild(JComponent a, int b) {
    Accessible returnValue =
        ((ComponentUI) (uis.elementAt(0))).getAccessibleChild(a,b);
    for (int i = 1; i < uis.size(); i++) {
        ((ComponentUI) (uis.elementAt(i))).getAccessibleChild(a,b);
    }
    return returnValue;
}