Java JTextArea setCaretPosition(int i, int j, JTextArea jtextarea)

Description

set Caret Position

License

Open Source License

Declaration

public static void setCaretPosition(int i, int j, JTextArea jtextarea) 

Method Source Code

//package com.java2s;
/*/* www .  ja  v a2  s.c o m*/
 * Copyright (C) 2012 Marco Ratto
 *
 * This file is part of the project MQJExplorer.
 *
 * MQJExplorer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * MQJExplorer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MQJExplorer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import javax.swing.JTextArea;

public class Main {
    public static void setCaretPosition(int i, int j, JTextArea jtextarea) {
        if (i < 0 || j < 0)
            return;
        StringBuffer stringbuffer = new StringBuffer(jtextarea.getText());
        int k = 0;
        int l;
        for (l = stringbuffer.length(); i > 0 && k < l; k++)
            if (stringbuffer.charAt(k) == '\n')
                i--;

        if (i > 0)
            return;
        k += j;
        if (k > l)
            k = l;
        jtextarea.setCaretPosition(k);
    }
}

Related

1. printInfo(JTextArea txtInfo, String infoString)
2. printInTextArea(JTextArea log, String[] toPrint)
3. printStackTrace(Exception e, JTextArea console)
4. printStream(final JTextArea ta)
5. registerUndoManager(JTextArea textArea)
6. setCaretPosition(JTextArea ta)
7. setCeil(final JTextArea textArea)
8. setModelValue(JTextArea ta, String value)
9. setTextSafe(JTextArea textArea, String value)