How to use

ConcreteTextSelector

in

org.apache.batik.bridge

/**
 * Clears the selection.
 */
public void clearSelection() {
  textSelector.clearSelection();
}

/**
 * Add a selection listener to be notified when the
 * text selection changes in the document.
 */
public void addSelectionListener(SelectionListener sl) {
  textSelector.addSelectionListener(sl);
}

public void mouseEntered(GraphicsNodeMouseEvent evt) {
  checkSelectGesture(evt);
}

if (isDeselectGesture(evt)) {
  if (selectionNode != null) {
    selectionNodeRoot.removeTreeGraphicsNodeChangeListener(this);
  clearSelection();
} else if (mevt != null) {
    (isSelectStartGesture(evt))) {
    if (selectionNode != source) {
      if (selectionNode != null) {
    dispatchSelectionEvent(
        new SelectionEvent(null,
            SelectionEvent.SELECTION_STARTED,
            null));
  } else if (isSelectEndGesture(evt)) {
    if (selectionNode == source)  {
      ((Selectable) source).selectTo(p.getX(), p.getY());
    Object oldSelection = getSelection();
    if (selectionNode != null) {
      Shape newShape;
      newShape = ((Selectable)selectionNode).getHighlightShape();
      dispatchSelectionEvent
        (new SelectionEvent(oldSelection,
                  SelectionEvent.SELECTION_DONE,
                  newShape));

public void changeCompleted (GraphicsNodeChangeEvent gnce) {
  if (selectionNode == null) {
    return;
  }
  Shape newShape =
    ((Selectable)selectionNode).getHighlightShape();
  dispatchSelectionEvent
    (new SelectionEvent(getSelection(),
              SelectionEvent.SELECTION_CHANGED,
              newShape));
}

public void mousePressed(GraphicsNodeMouseEvent evt) {
  if (evt.getSource() instanceof Selectable) {
    textSelector.mousePressed(evt);
  } else if (selectionHighlight != null) {
    textSelector.clearSelection();
  }
}

/**
 * Creates a new TextSelectionManager.
 */
public TextSelectionManager(JGVTComponent comp,
              EventDispatcher ed) {
  textSelector = new ConcreteTextSelector();
  textSelectionListener = new TextSelectionListener();
  textSelector.addSelectionListener(textSelectionListener);
  mouseListener = new MouseListener();
  component = comp;
  component.getOverlays().add(selectionOverlay);
  ed.addGraphicsNodeMouseListener(mouseListener);
}

/**
 * Reports whether the current selection contains any objects.
 */
public boolean isEmpty() {
  return (getSelection() == null);
}

public void clearSelection() {
  if (selectionNode == null) {
    return;
  }
  dispatchSelectionEvent(new SelectionEvent
    (null, SelectionEvent.SELECTION_CLEARED, null));
  selectionNode = null;
  selectionNodeRoot = null;
}

if (isDeselectGesture(evt)) {
  if (selectionNode != null) {
    selectionNodeRoot.removeTreeGraphicsNodeChangeListener(this);
  clearSelection();
} else if (mevt != null) {
    (isSelectStartGesture(evt))) {
    if (selectionNode != source) {
      if (selectionNode != null) {
    dispatchSelectionEvent(
        new SelectionEvent(null,
            SelectionEvent.SELECTION_STARTED,
            null));
  } else if (isSelectEndGesture(evt)) {
    if (selectionNode == source)  {
      ((Selectable) source).selectTo(p.getX(), p.getY());
    Object oldSelection = getSelection();
    if (selectionNode != null) {
      Shape newShape;
      newShape = ((Selectable)selectionNode).getHighlightShape();
      dispatchSelectionEvent
        (new SelectionEvent(oldSelection,
                  SelectionEvent.SELECTION_DONE,
                  newShape));

public void changeCompleted (GraphicsNodeChangeEvent gnce) {
  if (selectionNode == null) {
    return;
  }
  Shape newShape =
    ((Selectable)selectionNode).getHighlightShape();
  dispatchSelectionEvent
    (new SelectionEvent(getSelection(),
              SelectionEvent.SELECTION_CHANGED,
              newShape));
}

public void mousePressed(GraphicsNodeMouseEvent evt) {
  if (evt.getSource() instanceof Selectable) {
    textSelector.mousePressed(evt);
  } else if (selectionHighlight != null) {
    textSelector.clearSelection();
  }
}

/**
 * Creates a new TextSelectionManager.
 */
public TextSelectionManager(JGVTComponent comp,
              EventDispatcher ed) {
  textSelector = new ConcreteTextSelector();
  textSelectionListener = new TextSelectionListener();
  textSelector.addSelectionListener(textSelectionListener);
  mouseListener = new MouseListener();
  component = comp;
  component.getOverlays().add(selectionOverlay);
  ed.addGraphicsNodeMouseListener(mouseListener);
}

/**
 * Reports whether the current selection contains any objects.
 */
public boolean isEmpty() {
  return (getSelection() == null);
}

public void clearSelection() {
  if (selectionNode == null) {
    return;
  }
  dispatchSelectionEvent(new SelectionEvent
    (null, SelectionEvent.SELECTION_CLEARED, null));
  selectionNode = null;
  selectionNodeRoot = null;
}

if (isDeselectGesture(evt)) {
  if (selectionNode != null) {
    selectionNodeRoot.removeTreeGraphicsNodeChangeListener(this);
  clearSelection();
} else if (mevt != null) {
    (isSelectStartGesture(evt))) {
    if (selectionNode != source) {
      if (selectionNode != null) {
    dispatchSelectionEvent(
        new SelectionEvent(null,
            SelectionEvent.SELECTION_STARTED,
            null));
  } else if (isSelectEndGesture(evt)) {
    if (selectionNode == source)  {
      ((Selectable) source).selectTo(p.getX(), p.getY());
    Object oldSelection = getSelection();
    if (selectionNode != null) {
      Shape newShape;
      newShape = ((Selectable)selectionNode).getHighlightShape();
      dispatchSelectionEvent
        (new SelectionEvent(oldSelection,
                  SelectionEvent.SELECTION_DONE,
                  newShape));

public void changeCompleted (GraphicsNodeChangeEvent gnce) {
  if (selectionNode == null) {
    return;
  }
  Shape newShape =
    ((Selectable)selectionNode).getHighlightShape();
  dispatchSelectionEvent
    (new SelectionEvent(getSelection(),
              SelectionEvent.SELECTION_CHANGED,
              newShape));
}

public void mousePressed(GraphicsNodeMouseEvent evt) {
  if (evt.getSource() instanceof Selectable) {
    textSelector.mousePressed(evt);
  } else if (selectionHighlight != null) {
    textSelector.clearSelection();
  }
}

public void mouseClicked(GraphicsNodeMouseEvent evt) {
  checkSelectGesture(evt);
}

/**
 * Creates a new TextSelectionManager.
 */
public TextSelectionManager(JGVTComponent comp,
              EventDispatcher ed) {
  textSelector = new ConcreteTextSelector();
  textSelectionListener = new TextSelectionListener();
  textSelector.addSelectionListener(textSelectionListener);
  mouseListener = new MouseListener();
  component = comp;
  component.getOverlays().add(selectionOverlay);
  ed.addGraphicsNodeMouseListener(mouseListener);
}