Java JList ensureRangeIsVisible(JList list, int top, int bottom)

Description

ensure Range Is Visible

License

Apache License

Declaration

public static void ensureRangeIsVisible(JList list, int top, int bottom) 

Method Source Code

//package com.java2s;
/*//from   w w  w .  j  av a  2s  .c  o  m
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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.*;
import java.awt.*;

public class Main {
    public static void ensureRangeIsVisible(JList list, int top, int bottom) {
        int size = list.getModel().getSize();
        if (top < 0) {
            top = 0;
        }
        if (bottom >= size) {
            bottom = size - 1;
        }
        Rectangle cellBounds = list.getCellBounds(top, bottom);
        if (cellBounds != null) {
            cellBounds.x = 0;
            list.scrollRectToVisible(cellBounds);
        }
    }
}

Related

1. applyDefaultProperties(final JList comp)
2. clearList(JList list)
3. ensureCustomBackgroundStored(JList comp)
4. filterDataList(JList jList, List dataList, String text)
5. getStoredBackground(JList comp)
6. getVisibleRowCount(JList list)
7. indexList(JList list, Object object)