<?php

/**

 * Zend Framework

 *

 * LICENSE

 *

 * This source file is subject to the new BSD license that is bundled

 * with this package in the file LICENSE.txt.

 * It is also available through the world-wide-web at this URL:

 * http://framework.zend.com/license/new-bsd

 * If you did not receive a copy of the license and are unable to

 * obtain it through the world-wide-web, please send an email

 * to license@zend.com so we can send you a copy immediately.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage Health

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 * @version    $Id: Ccr.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Gdata_App_Extension_Element

 */

require_once 'Zend/Gdata/App/Extension/Element.php';

/**

 * Concrete class for working with CCR elements.

 *

 * @category   Zend

 * @package    Zend_Gdata

 * @subpackage Health

 * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license    http://framework.zend.com/license/new-bsd     New BSD License

 */

class Zend_Gdata_Health_Extension_Ccr extends Zend_Gdata_App_Extension_Element

{

    protected $_rootNamespace = 'ccr';

    protected $_rootElement = 'ContinuityOfCareRecord';

    protected $_ccrDom = null;

    /**

     * Creates a Zend_Gdata_Health_Extension_Ccr entry, representing CCR data

     *

     * @param DOMElement $element (optional) DOMElement from which this

     *          object should be constructed.

     */

    public function __construct($element = null)

    {

        foreach (Zend_Gdata_Health::$namespaces as $nsPrefix => $nsUri) {

            $this->registerNamespace($nsPrefix, $nsUri);

        }

    }

    /**

     * Transfers each child and attribute into member variables.

     * This is called when XML is received over the wire and the data

     * model needs to be built to represent this XML.

     *

     * @param DOMNode $node The DOMNode that represents this object's data

     */

    public function transferFromDOM($node)

    {

        $this->_ccrDom = $node;

    }

    /**

     * Retrieves a DOMElement which corresponds to this element and all

     * child properties.  This is used to build an entry back into a DOM

     * and eventually XML text for sending to the server upon updates, or

     * for application storage/persistence.

     *

     * @param DOMDocument $doc The DOMDocument used to construct DOMElements

     * @return DOMElement The DOMElement representing this element and all

     * child properties.

     */

    public function getDOM($doc = null, $majorVersion = 1, $minorVersion = null)

    {

        if ($doc === null) {

            $doc = new DOMDocument('1.0', 'utf-8');

        }

        $domElement = $doc->importNode($this->_ccrDom, true);

        return $domElement;

    }

    /**

     * Magic helper that allows drilling down and returning specific elements

     * in the CCR. For example, to retrieve the users medications

     * (/ContinuityOfCareRecord/Body/Medications) from the entry's CCR, call

     * $entry->getCcr()->getMedications().  Similarly, getConditions() would

     * return extract the user's conditions.

     *

     * @param string $name Name of the function to call

     * @param unknown $args

     * @return array.<DOMElement> A list of the appropriate CCR data

     */

    public function __call($name, $args)

    {

        if (substr($name, 0, 3) === 'get') {

            $category = substr($name, 3);

            switch ($category) {

                case 'Conditions':

                    $category = 'Problems';

                    break;

                case 'Allergies':

                    $category = 'Alerts';

                    break;

                case 'TestResults':

                    // TestResults is an alias for LabResults

                case 'LabResults':

                    $category = 'Results';

                    break;

                default:

                    // $category is already well formatted

            }

            return $this->_ccrDom->getElementsByTagNameNS($this->lookupNamespace('ccr'), $category);

        } else {

            return null;

        }

    }

}