Java JTextComponent Insert insertMagicString(JTextComponent target, int dot, String toInsert)

Description

Insert the given String into the textcomponent.

License

Apache License

Parameter

Parameter	Description
target	a parameter
dot	a parameter
toInsert	a parameter

Exception

Parameter	Description

Declaration

public static void insertMagicString(JTextComponent target, int dot,
        String toInsert) throws BadLocationException 

Method Source Code

//package com.java2s;
/*/*from w w w.  ja  va2 s .  c  om*/
 * Copyright 2008 Ayman Al-Sairafi ayman.alsairafi@gmail.com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License 
 *       at http://www.apache.org/licenses/LICENSE-2.0 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.  
 */

import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.JTextComponent;

public class Main {
    /**
     * Insert the given String into the textcomponent.  If the string contains
     * the | vertical BAr char, then it will not be inserted, and the cursor will
     * be set to its location.
     * If there are TWO vertical bars, then the text between them will be selected
     * <b>FIXME: add following feature
     * If the String is multi-line, then it will be indented with the same
     * indentattion as the line with pos.</b>
     * @param target
     * @param dot
     * @param toInsert
     * @throws javax.swing.text.BadLocationException
     */
    public static void insertMagicString(JTextComponent target, int dot,
            String toInsert) throws BadLocationException {
        Document doc = target.getDocument();
        if (toInsert.indexOf('|') >= 0) {
            int ofst = toInsert.indexOf('|');
            int ofst2 = toInsert.indexOf('|', ofst + 1);
            toInsert = toInsert.replace("|", "");
            doc.insertString(dot, toInsert, null);
            dot = target.getCaretPosition();
            final int strLength = toInsert.length();
            if (ofst2 > 0) {
                // note that we already removed the first |, so end offset is now
                // one less than what it was.
                target.select(dot + ofst - strLength, dot + ofst2
                        - strLength - 1);
            } else {
                target.setCaretPosition(dot + ofst - strLength);
            }
        } else {
            doc.insertString(dot, toInsert, null);
        }
    }
}

Related

1. insert(final JTextComponent component, final String string)
2. insertLineAfter(JTextComponent textComponent)
3. insertLineBefore(JTextComponent textComponent)
4. insertSimpleTemplate(JTextComponent target, String template)
5. insertText(JTextComponent comp, String s)