Java JList Select moveSourceSelection(JList sourceList, boolean moveDown, boolean byPage)

Description

move Source Selection

License

Open Source License

Declaration

public static void moveSourceSelection(JList sourceList, boolean moveDown, boolean byPage) 

Method Source Code

//package com.java2s;
/**/*from  w  w w.j  a  va2 s  . c  o  m*/
 * Copyright 2001-2014 CryptoHeaven Corp. All Rights Reserved.
 *
 * This software is the confidential and proprietary information
 * of CryptoHeaven Corp. ("Confidential Information").  You
 * shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with CryptoHeaven Corp.
 */

import javax.swing.*;

public class Main {
    public static void moveSourceSelection(JList sourceList, boolean moveDown, boolean byPage) {
        int size = sourceList.getModel().getSize();
        if (size > 0) {
            boolean rollOverEnabled = false;
            int index = sourceList.getSelectedIndex();
            int newIndex = 0;
            if (index >= 0) {
                int maxIndex = size - 1;
                int moveBy = byPage ? sourceList.getVisibleRowCount() : 1;
                if (moveBy < 1)
                    moveBy = 1;
                if (!moveDown)
                    moveBy = -moveBy;
                newIndex = index + moveBy;
                if (rollOverEnabled) {
                    if (newIndex < 0 && index > 0)
                        newIndex = 0;
                    else if (newIndex > maxIndex && index < maxIndex)
                        newIndex = maxIndex;
                    else if (newIndex < 0)
                        newIndex = maxIndex;
                    else if (newIndex > maxIndex)
                        newIndex = 0;
                } else {
                    if (newIndex < 0)
                        newIndex = 0;
                    else if (newIndex > maxIndex)
                        newIndex = maxIndex;
                }
            }
            sourceList.setSelectedIndex(newIndex);
            sourceList.ensureIndexIsVisible(newIndex);
        }
    }
}

Related

1. getSelectedRows(ListSelectionModel listSelectionModel)
2. initParamList(final JList paramList, final String[] availNames, final String[] defaultSelection)
3. JListRemoveSelectedObject(javax.swing.JList list)
4. linkEnabledToSelected(final JComponent component, final ListSelectionModel model)
5. moveSelectedItems(JList list, int nrRows)
6. removeListSelectionListeners(final JList comp)
7. removeSelectedListItems(JList sourceList)
8. removeSelectionFromList(JList fileList)
9. removeTypeSelectionListener(JList list)