TreeAndTableNode.java

package org.fnppl.opensdx.file_transfer.gui;

/*
 * Copyright (C) 2010-2015 
 * 							fine people e.V. <opensdx@fnppl.org> 
 * 							Henning Thieß <ht@fnppl.org>
 * 
 * 							http://fnppl.org
 */

/*
 * Software license
 *
 * As far as this file or parts of this file is/are software, rather than documentation, this software-license applies / shall be applied.
 *  
 * This file is part of openSDX
 * openSDX is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * openSDX is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * and GNU General Public License along with openSDX.
 * If not, see <http://www.gnu.org/licenses/>.
 *      
 */

/*
 * Documentation license
 * 
 * As far as this file or parts of this file is/are documentation, rather than software, this documentation-license applies / shall be applied.
 * 
 * This file is part of openSDX.
 * Permission is granted to copy, distribute and/or modify this document 
 * under the terms of the GNU Free Documentation License, Version 1.3 
 * or any later version published by the Free Software Foundation; 
 * with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. 
 * A copy of the license is included in the section entitled "GNU 
 * Free Documentation License" resp. in the file called "FDL.txt".
 * 
 */

import java.util.Vector;

import javax.swing.tree.DefaultMutableTreeNode;

import org.fnppl.opensdx.file_transfer.model.RemoteFile;



public class TreeAndTableNode extends DefaultMutableTreeNode {
	private TreeAndTableChildrenGetter main;
	private String name;
	private boolean populated;
	private boolean interim;
	private boolean canPopulate;
	public Vector<RemoteFile> files = null;
	
	public TreeAndTableNode(TreeAndTableChildrenGetter main, String name, boolean canPopulate, Object userObject) {
		this.main = main;
		this.name = name;
		this.canPopulate = canPopulate;
		setUserObject(userObject);
	}
	
	public boolean isLeaf() {
		return !canPopulate;
	}
	
	public boolean getAllowsChildren() { 
		return canPopulate;
	}
	
	public String toString() {
		return name;
	}
	
	public boolean populateAgain() {
		populated = false;
		interim = true;
		return populate();
	}
	
	public boolean populate() {
		if (!populated) {
			System.out.println("populate "+name);
			if (interim) {
				removeAllChildren(); //remove dummy node
				interim = false;
			}
			
			Vector<TreeAndTableNode> nodes = main.getChildren(this);
			if (nodes!=null) {
				populated = true;
				if (nodes.size()>0) {
					for (TreeAndTableNode n : nodes) {
						this.add(n);
					}
				}
			} else {
				interim = true;
			}
		}
		return populated;
	}
	
}