Java JTree Node expandTreeRecurser(JTree tree, DefaultMutableTreeNode node)

Description

expand Tree Recurser

License

Open Source License

Declaration

private static void expandTreeRecurser(JTree tree, DefaultMutableTreeNode node)

Method Source Code

//package com.java2s;
/* ESCAPE Software Copyright 2010 G2, Inc. - All rights reserved.
*
* ESCAPE is open source software distributed under GNU General Public License Version 3.  ESCAPE is not in the public domain 
* and G2, Inc. holds its copyright.  Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
    /* ww  w . ja  v a 2s  .c o  m*/
* 1. Redistributions of ESCAPE source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the ESCAPE Software distribution. 
* 3. Neither the name of G2, Inc. nor the names of any contributors may be used to endorse or promote products derived from this software without specific prior written permission. 
    
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL G2, INC., THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
    
* You should have received a copy of the GNU General Public License Version 3 along with this program. 
* If not, see http://www.gnu.org/licenses/ for a copy.
*/

import java.util.ArrayList;

import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

public class Main {
    private static void expandTreeRecurser(JTree tree, DefaultMutableTreeNode node) {
        TreePath path = getTreePathToChild(node);
        tree.expandPath(path);

        int childCount = node.getChildCount();

        if (childCount != 0) {
            for (int x = 0; x < childCount; x++) {
                DefaultMutableTreeNode childNode = (DefaultMutableTreeNode) node.getChildAt(x);
                expandTreeRecurser(tree, childNode);
            }
        }
    }

    public static TreePath getTreePathToChild(DefaultMutableTreeNode child) {
        TreePath path = null;

        ArrayList<Object> al = new ArrayList<Object>();

        TreeNode node = child;

        while (node != null) {
            al.add(0, node);

            node = node.getParent();
        }

        if (al.size() > 0) {
            Object[] objs = al.toArray();
            path = new TreePath(objs);
        }
        return path;
    }
}

Java JTree Node expandTreeRecurser(JTree tree, DefaultMutableTreeNode node)

Description

License

Declaration

Method Source Code

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