Source for file createcoursesection.act.php

<?php
 
/**
* This action is the central page for viewing and modifying course section information.
*
* @package polyphony.coursemanagement
*
*
* @since 7/28/06
*
* @copyright Copyright &copy; 2006, Middlebury College
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
*
* @version $Id: createcoursesection.act.php,v 1.18 2007/09/19 14:04:54 adamfranco Exp $
*/
 
require_once(POLYPHONY."/main/library/AbstractActions/MainWindowAction.class.php");
require_once(HARMONI."GUIManager/Components/Blank.class.php");
 
class createcoursesectionAction
extends MainWindowAction
{
    /**
    * Check Authorizations
    *
    * @return boolean 
    * @access public
    * @since 4/26/05
    */
    function isAuthorizedToExecute () {
        // Check for authorization
        // Check that the user can create an asset here.
        $authZ = Services::getService("AuthZ");
        $idManager = Services::getService("Id");
        
        return $authZ->isUserAuthorized(
            $idManager->getId("edu.middlebury.authorization.add_children"),
            $idManager->getId("edu.middlebury.coursemanagement")
        );
    }
 
    /**
    * Return the heading text for this action, or an empty string.
    *
    * @return string 
    * @access public
    * @since 4/26/05
    */
    function getHeadingText () {
        return _("Add or remove a course section.");
    }
 
    /**
    * Build the content for this action
    *
    * @return void 
    * @access public
    * @since 4/26/05
    */
    function buildContent () {
        $defaultTextDomain = textdomain("polyphony");
        
        $idManager = Services::getService("Id");
        $cmm = Services::getService("CourseManagement");
        $harmoni = Harmoni::instance();
        
        $harmoni->request->startNamespace("polyphony-agents");
        $harmoni->request->passthrough("courseId");
        
        $courseIdString = $harmoni->request->get("courseId");
        $courseId =$idManager->getId($courseIdString);
        
        $cm = Services::getService("CourseManagement");
        
        $offering =$cmm->getCourseOffering($courseId);
        $offeringName = $offering->getDisplayName();
                
        // Process any changes and add or remove courses as necessary
        if (RequestContext::value("sectionType") && RequestContext::value("sectionStatus") &&
            RequestContext::value("sectionLocation"))
            $this->addSection($offering, RequestContext::value("sectionType"), RequestContext::value("sectionStatus"),
                              RequestContext::value("sectionLocation"));
            
        // Print out the add form and course list
        $actionRows =$this->getActionRows();
        
        $actionRows->add(new Heading(_("Add or remove course sections in ".$offeringName."."), 2), "100%", null, LEFT, CENTER);
        
        $actionRows->add($this->getAddForm($offering), "100%", null, LEFT, CENTER);
        
        $harmoni->request->endNamespace();
 
        textdomain($defaultTextDomain);
    }
 
    /***************************FUNCTIONS***************************************/
 
 
    /*******************************************************
    * The form to add information for adding course sections
    *********************************************************/
 
        
    /**
    * Build a form to add information to add course sections.
    *
    * @return void 
    * @access public
    * @since 8/29/05
    */
    function getAddForm($offering) {
        $harmoni = Harmoni::instance();
        
        $cmm = Services::getService("CourseManagement");
        $idManager = Services::getService("Id");
        $am = Services::GetService("AgentManager");
        
        ob_start();
        
        $offeringName = $offering->getDisplayName();
        $offeringId =$offering->getId();
        $offeringIdString = $offeringId->getIdString();
        
        print _("<h3>Course offering: ".$offeringName."</h3>")."";
        print _("<h4>Please enter the following information to add a course section in ".$offeringName.".</h4>")."";
        
        // Search header
        $self = $harmoni->request->quickURL("coursemanagement", "createcoursesection", 
            array("sectionType", "sectionStatus", "sectionLocation"));
        
        $last_type = $harmoni->request->get("sectionType");
        $section_type = RequestContext::name("sectionType");
        $last_status = $harmoni->request->get("sectionStatus");
        $section_status = RequestContext::name("sectionStatus");
        $last_location = $harmoni->request->get("sectionLocation");
        $section_location = RequestContext::name("sectionLocation");
        
        print "<form action='$self' method='post'>
            <div>
            <p>Section Type: <br/><input type='text' name='$section_type' value='$last_type' /></p>
            <p>Section Status: <br/><input type='text' name='$section_status' value='$last_type' /></p>
            <p>Section Location: <br/><input type='text' name='$section_location' value='$last_location' /></p>";
        
        print "\n\t<input type='submit' value='"._("Add")."' />";
        print "\n\t<a href='".$harmoni->request->quickURL()."'>";
        print "<input type='button' value='"._("Clear")."' /></a>";
        print "\n</div>\n</form>\n";
        
        $link = $harmoni->request->quickURL("coursemanagement", "edit_offering_details", 
                                            array("courseId"=>$offeringIdString));
        print _("<h4><a href='$link'>Click here to return to offering details.</a></h4>")."";
        
        $output = new Block(ob_get_clean(), STANDARD_BLOCK);
        return $output;
    }
    
    /**
    * Process any changes in the form to add a section.
    *
    * @param string offering
    * @param string type
    * @param string status
    *  &param string location
    * @return void 
    * @access public
    * @since 8/29/05
    */
    function addSection($offering, $type, $status, $location) {
                         
        $actionRows =$this->getActionRows();
        $pageRows = new Container(new YLayout(), OTHER, 1);
        $harmoni = Harmoni::instance();
        
        $cmm = Services::getService("CourseManagement");
        $idManager = Services::getService("Id");
        
        $everyoneId =$idManager->getId("edu.middlebury.agents.everyone");
        $usersId =$idManager->getId("edu.middlebury.agents.users");
        
        $sectionType = new Type("CourseManagement", "edu.middlebury", $type);
        $sectionStatus = new Type("CourseManagement", "edu.middlebury", $status);
        
        $section =$offering->createCourseSection($offering->getTitle(), $offering->getNumber(), 
                                                   $offering->getDescription(), $sectionType, 
                                                   $sectionStatus, $sectionLocation);
        
        // Update display name with the section type
        $displayName = $section->getDisplayName();
        
        $newDisplayName = $displayName.$type;
        $section->updateDisplayName($newDisplayName);
        
        ob_start();
        print "<h3>Section ".$newDisplayName." added.</h3>";
        $actionRows->add(new Block(ob_get_clean(), STANDARD_BLOCK), "100%", null, LEFT, CENTER);
    }
}