Java JTextComponent scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex)

Description

Scrolls the specified text component so the text between the starting and ending index are visible.

License

Apache License

Declaration

public static void scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex) 

Method Source Code

//package com.java2s;
/*/*  ww w. j a v a  2s .c  o  m*/
 * Copyright 2009 the original author or authors.
 *
 * 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.JTextComponent;
import java.awt.*;

public class Main {
    /**
     * Scrolls the specified text component so the text between the starting and ending index are visible.
     */
    public static void scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex) {
        try {
            Rectangle startingRectangle = textComponent.modelToView(startingIndex);
            Rectangle endDingRectangle = textComponent.modelToView(endingIndex);

            Rectangle totalBounds = startingRectangle.union(endDingRectangle);

            textComponent.scrollRectToVisible(totalBounds);
            textComponent.repaint();
        } catch (BadLocationException e) {
            e.printStackTrace();
        }
    }
}

Related

1. registerEvents(final JTextComponent textCmp, final String hintText)
2. registerUpperCase(final JTextComponent textComp)
3. removeAllHighlightsUsingPainter(final JTextComponent textComponent, final Highlighter.HighlightPainter painter)
4. removeDocumentListeners(JTextComponent component)
5. safeGetText(JTextComponent textComponent)
6. scrollToTop(JTextComponent edit1)
7. setError(JTextComponent component, boolean error)
8. setErrorBackground(JTextComponent comp)
9. setMandatoryBackground(JTextComponent comp)