Exemplo n.º 1
0
 public void setCaretPosition(int position) {
   Caret c = textView.getCaret();
   // move the caret
   c.setDot(position);
 }
Exemplo n.º 2
0
    @Override
    public void actionPerformed(ActionEvent e) {
      JTextComponent textArea = (JTextComponent) e.getSource();

      Caret caret = textArea.getCaret();
      int dot = caret.getDot();

      /*
       * Move to the beginning/end of selection on a "non-shifted"
       * left- or right-keypress.  We shouldn't have to worry about
       * navigation filters as, if one is being used, it let us get
       * to that position before.
       */
      if (!select) {
        switch (direction) {
          case SwingConstants.EAST:
            int mark = caret.getMark();
            if (dot != mark) {
              caret.setDot(Math.max(dot, mark));
              return;
            }
            break;
          case SwingConstants.WEST:
            mark = caret.getMark();
            if (dot != mark) {
              caret.setDot(Math.min(dot, mark));
              return;
            }
            break;
          default:
        }
      }

      Position.Bias[] bias = new Position.Bias[1];
      Point magicPosition = caret.getMagicCaretPosition();

      try {

        if (magicPosition == null
            && (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH)) {
          Rectangle r = textArea.modelToView(dot);
          magicPosition = new Point(r.x, r.y);
        }

        NavigationFilter filter = textArea.getNavigationFilter();

        if (filter != null) {
          dot =
              filter.getNextVisualPositionFrom(
                  textArea, dot, Position.Bias.Forward, direction, bias);
        } else {
          if (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH) {
            dot = getNSVisualPosition((EditorPane) textArea, dot, direction);
          } else {
            dot =
                textArea
                    .getUI()
                    .getNextVisualPositionFrom(
                        textArea, dot, Position.Bias.Forward, direction, bias);
          }
        }
        if (select) {
          caret.moveDot(dot);
        } else {
          caret.setDot(dot);
        }

        if (magicPosition != null
            && (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH)) {
          caret.setMagicCaretPosition(magicPosition);
        }

      } catch (BadLocationException ble) {
        Debug.error(me + "Problem while trying to move caret\n%s", ble.getMessage());
      }
    }