<?php


/*
 * Created on 06.12.2006
 *
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
 */

class ListPathContentElement extends ListPathElement {
    private $refListPathDataElement;
    private $pos;

    function __construct(ListPathDataElement $ref = null, $pos = null) {
        $this->refListPathDataElement = $ref;
        $this->pos = $pos;
    }

    function getPos() {
        return $this->pos;
    }

    function getData() {
        return $this->refListPathDataElement;
    }

    function getName() {
        return $this->refListPathDataElement->getName();
    }

    function getValue() {
        if ($this->children[0] instanceof ListValueElement)
            return $this->children[0]->getValue();
        else
            throw new Exception("This is no leaf node");
    }

    function isExistingPos($comp) {
        foreach ($this->children as $child) {
            if ($child instanceof ListPathContentElement)
                if ($child->getPos() == $comp)
                    return true;
        }
        return false;
    }

    //TODO
    function getChildByNamePos($name, $pos) {
        #echo "name: $name, pos: $pos";
        foreach ($this->children as $child) {
            if ($child instanceof ListPathContentElement) {
                #print_r($child);
                
                #echo $child->getName()." ".$child->getPos()." ".get_class($child)."\n";
                if ($child->getPos() == $pos && $child->getName() == $name) {
                    #echo "found";
                    return $child;
                }
            }
        }
    }

    function getChildByPath($pathArray) {
        if (count($pathArray) > 0) {
            $removedElement = array_shift($pathArray);
            $removedPos = array_shift($pathArray);
            $match = $this->getChildByNamePos($removedElement, $removedPos);
            print_r($match);
            if ($match === false)
                throw new Exception("PathElement $removedElement couldn't be found");
            else {
                return $match->getChildByPath($pathArray);
            }
        } else {
            return $this;
        }
    }

    function output($level = 0) {
        if ($level > 1)
            echo "_" . $this->pos . "_";

        if(is_object($this->refListPathDataElement))
            echo $this->getName();

        foreach ($this->children as $key => $child) {
                $child->output($level +1);
        }
    }
}
?>