[Stack-cvs] stack-1-0/frontend_general edit_quiz_util.php,NONE,1.1.2.1

[Juliette W. <jv...@us...>]

Update of /cvsroot/stack/stack-1-0/frontend_general
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24515/frontend_general

Added Files:
      Tag: frontend_dev
	edit_quiz_util.php 
Log Message:
Added file forgot to add previously.

--- NEW FILE: edit_quiz_util.php ---
<?php 
/**
*
* Welcome to STACK.  A system for teaching and assessment using a 
* computer algebra kernel.
* <br>
* This file is licensed under the GPL License.
* <br>
* A copy of the license is in your STACK distribution called
* license.txt.  If you are missing this file you can obtain
* it from:
* http://www.stack.bham.ac.uk/license.txt
* <br>
* Copyright (c) 2005, Christopher James Sangwin
*
* @author Chris Sangwin       C.J...@bh...
* @author Laura Naismith      L.N...@bh...
* @author Juliette White      jv...@jv...
* @package Stack
* 
* This file contains utility functions used by edit_quiz.php
* TO DO: Some of these functions needs to be consolidated with the functions
* in the other utility files.
*/

/* 
* Gets the question bank filter
* @param string $source - Must be 'post' or 'session'
* @return array $question_bank_filter
*/
function stack_get_qb_filter($source) {
    if ('post' == $source) {
        $question_bank_filter = nsf($_POST, 'bank_filter');
    } else if ('session' == $source) {
        $question_bank_filter = nsf($_SESSION, 'bank_filter'); 
    }
    return $question_bank_filter;
}

/* 
* Sets the session question bank field
* @param array $question_bank_filter
* @return void
*/
function stack_set_qb_filter_in_session($question_bank_filter) {
    $_SESSION['bank_filter'] = $question_bank_filter; 
}

// $quizid only set if $sourc eis 'database'

/* 
* Gets the quiz
* @param string $source - Must be 'post' or 'database'
* @param int $quizid This is only set if the $source is 'database', is set 
* to the quiz id
* @return array $quiz
*/
function stack_get_quiz($source, $quizid) {
    if ('post' == $source) {
        $quiz = nsf($_POST, 'quiz');
    } else if ('database' == $source) {
        $quiz   = stack_db_quiz_get($quizid);
    }
    return $quiz;
}

/* 
* Gets the quiz id 
* @param string $source - Must be 'post', 'database' or 'quiz'
* @param int $quiz This is only set if the $source is 'quiz', is set 
* to the quiz to get the quiz id from
* @return array $quiz
*/
function stack_get_quizid($source, $quiz) {
    $quizid = '';
    if ('quiz' == $source) {
        $quizid = nsf($quiz,'quizid');
    } else if ('database' == $source) {
        $quizid = stack_db_quiz_update(array());
    } else if ('post' == $source) {
        $quizid = nsf($_POST, 'quizid');
    }
    
    return $quizid;
}
  
?>