package de.hshnordbank;

import org.zkoss.zul.AbstractTreeModel;

/**
 * Class description.
 *
 * @author x0012275
 * @version $LastChangedRevision$
 *
 * $LastChangedBy$
 * $LastChangedDate$
 */
public class SimpleTreeTestModel extends AbstractTreeModel<String> {
	private static final long serialVersionUID = 1L;

	private static final String ROOT = "root";
	private static final int LEVELS = 6;
	
	/**
	 * Description of this constructor
	 * 
	 * $LastChangedBy$
	 * $LastChangedDate$
	 * 
	 * @version TODO
	 */
	public SimpleTreeTestModel() {
		super(ROOT);
	}

	public String getChild(String arg0, int arg1) {
		System.out.println(String.format("getChild() - Arg0: %S, Arg1: %S", arg0, arg1));
		
		if (arg0.equals(ROOT)) {
			switch (arg1) {
				case 0 : return "A";
				case 1 : return "B";
				case 2 : return "C";
				case 3 : return "D";
				case 4 : return "E";
				default : return "IMPOSSIBLE";
			}
		}
		else {
			// E.g. A22222.
			return arg0 + arg1;
		}
	}

	public int getChildCount(String arg0) {
		System.out.println(String.format("getChildCount() - Arg0: %S", arg0));
		
		if (arg0.equals(ROOT)) {
			return 5;
		}
		
		if (arg0.length() <= LEVELS) {
			return 3;
		}
		
		// Impossible.
		return 0;
	}

	public boolean isLeaf(String arg0) {
		System.out.println(String.format("isLeaf() - Arg0: %S", arg0));
		
		if (arg0.equals(ROOT)) {
			return false;
		}
		
		// E.g. A00000
		return arg0.length() == LEVELS;
	}
}