Source for file PrimitiveIOManager.class.php

<?php
/**
 * @package polyphony.datamanager_gui
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: PrimitiveIOManager.class.php,v 1.13 2007/09/19 14:04:44 adamfranco Exp $
 */
 
/**
 * Handles the creation of {@link PrimitiveIO} objects for different data types, as registered with the DataTypeManager of Harmoni.
 *
 * @package polyphony.datamanager_gui
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: PrimitiveIOManager.class.php,v 1.13 2007/09/19 14:04:44 adamfranco Exp $
 * @author Gabe Schine
 */
class PrimitiveIOManager {
    
    /**
     * Creates a new {@link PrimitiveIO} object for the given dataType.
     * @param string $dataType a datatype string as registered with the DataManager of Harmoni
     * @return ref object A new {@link PrimitiveIO} object.
     * @access public
     * @static
     */
    function createComponent($dataType) {
        $class = "PrimitiveIO_".$dataType;
        if (!class_exists($class)) return ($null=null);
 
        $obj = new $class();
 
        return $obj;
    }
 
    /**
     * Creates a new {@link PrimitiveIO} object for the given dataType.
     * @param string $dataType a datatype string as registered with the DataManager of Harmoni
     * @return ref object A new {@link PrimitiveIO} object.
     * @access public
     * @static
     */
    function createAuthoritativeComponent($dataType) {
        $class = "PrimitiveIO_Authoritative_".$dataType;
        if (!class_exists($class)) return ($null=null);
 
        $obj = new $class();
 
        return $obj;
    }
    
    /**
     * Create a new PrimitiveIO object that allows for selection from an authority
     * list
     * 
     * @param <##> 
     * @return <##> 
     * @access public
     * @since 5/1/06
     */
    function createComponentForPartStructure ($partStruct) {
        ArgumentValidator::validate($partStruct, ExtendsValidatorRule::getRule("PartStructure"));
        
        $partStructType =$partStruct->getType();        
        // get the datamanager data type
        $dataType = $partStructType->getKeyword();
//         printpre($dataType);
        
        $authoritativeValues =$partStruct->getAuthoritativeValues();
        if ($authoritativeValues->hasNext()) {
            $authZManager = Services::getService("AuthZ");
            $idManager = Services::getService("Id");
            if ($authZManager->isUserAuthorized(
                    $idManager->getId("edu.middlebury.authorization.modify_authority_list"),
                    $partStruct->getRepositoryId())) 
            {
                $component = new PrimitiveIO_AuthoritativeContainer();
                $component->setSelectComponent(
                    PrimitiveIOManager::createAuthoritativeComponent($dataType));
                $component->setNewComponent(
                    PrimitiveIOManager::createComponent($dataType));
            } else {
                $component = PrimitiveIOManager::createAuthoritativeComponent($dataType);
            }
                        
            while($authoritativeValues->hasNext()) {
                $component->addOptionFromSObject($authoritativeValues->next());
            }
        } else {        
            // get the simple component for this data type
            $component = PrimitiveIOManager::createComponent($dataType);
        }
        
        return $component;
    }
    
}