[Stack-cvs] stack-1-0/frontend_general question_bank_util.php,NONE,1.1.2.1 qb_display.php,1.1.2.1,1.1.2.2

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

Update of /cvsroot/stack/stack-1-0/frontend_general
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28349/frontend_general

Modified Files:
      Tag: frontend_dev
	qb_display.php 
Added Files:
      Tag: frontend_dev
	question_bank_util.php 
Log Message:
Put code back into question_bank.php

Index: qb_display.php
===================================================================
RCS file: /cvsroot/stack/stack-1-0/frontend_general/Attic/qb_display.php,v
retrieving revision 1.1.2.1
retrieving revision 1.1.2.2
diff -C2 -d -r1.1.2.1 -r1.1.2.2
*** qb_display.php	16 Jun 2005 11:44:45 -0000	1.1.2.1
--- qb_display.php	16 Jun 2005 13:09:23 -0000	1.1.2.2
***************
*** 53,55 ****
--- 53,103 ----
       
    }
+   
+   
+   function stack_import_questions_screen($errors) {
+     echo nsf($errors,'upload_xml_file');
+     echo "Select a file to upload and edit:
+     <br />
+     <form enctype='multipart/form-data' action=\"question_bank.php\"' method='POST'><br />\n
+     <input type ='file' name='xmlfile' />\n
+     <input type ='hidden' name='action' value='uploaded_xml' />
+     <input type ='submit' name='go' value='Upload'>
+     </form>\n\n";
+ }
+ 
+ 
+ function stack_show_uploaded_questions_screen($quiz) {
+     
+            echo "<h2>Details of questions uploaded</h2>";
+            echo '<table><thead><tr>';
+            echo '<th>ID</th><th>Name</th> <th>Description</th> <th>Key words</th> <th></th>';
+            echo '</tr></thead><tbody>';
+ 
+            $errs = NULL;
+ 
+            foreach ($quiz as $key => $qu) {
+ 
+                stack_question_validate($quiz[$key],$errs[$key]);
+                $qu['questionID'] = stack_db_addquestion($qu);
+                echo "<tr>\n <td>".sf($qu,'questionID')."</td> <td>".sf($qu,'questionName')." </td> <td>".sf($qu,'questionDescription')." </td> <td>".sf($qu,'questionKeywords')." </td>";
+                $errc = FALSE;
+                if (nsf($errs,$key)) {
+                    if (is_array($errs[$key])) {
+                    $errc = TRUE;
+                    }
+                }
+                if ($errc) {
+                   echo "<td><font color=\"red\">Invalid question</font></td>";
+                } else {
+                   echo "<td><font color=\"greed\">Valid question</font></td>";
+                }
+                echo "</tr>\n";
+            }
+ 
+            // HACK: we need error trapping here.
+            // HACK: we should return to the user details of what has been uploaded!
+ 
+            echo "</tbody></table>\n";
+            echo "<h2>Current database of questions</h2>";
+ }
    ?>

--- NEW FILE: question_bank_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...
*
*
* This file contains the logic of interactions with the site as
* an editor of questions and the question bank.
*
* @package frontend
* @subpackage Stack
*/



function stack_get_question_from_session() {
global $stackQuestion;

    $question = NULL;
    // Get any $question from the current $_SESSION
    if (array_key_exists('question',$_SESSION)) {
         foreach ($stackQuestion as $qfield => $val) {
             if (array_key_exists($qfield,$_SESSION['question'])) {
                 if ('' != $_SESSION['question'][$qfield]) {
                   $question[$qfield] = $_SESSION['question'][$qfield];
                 }
             }
         }
         unset($_SESSION['question']);
    }
    
    return $question;
}

function stack_get_questionInst() {
    $questionInst = NULL;
    // Get any $questionInst from the current $_SESSION
    if (array_key_exists('questionInst',$_SESSION)) {
        $questionInst=$_SESSION['questionInst'];
        unset($_SESSION['questionInst']);
    }
    
    return $questionInst;
}



function stack_get_question_from_post() {
    global $stackQuestion;
    $question = NULL;

    // Get any $_POSTED data
    // This should over write any $_SESSION data, as it may have been entered in a form.

     foreach($stackQuestion as $qfield => $attribs)
        {
            if (array_key_exists($qfield,$_POST) )
                {
                    if ('questionOptions' == $qfield) {
                        $question[$qfield] = $_POST[$qfield];
            }
                    else if ('questionPotResp' == $qfield ) {
                        $question[$qfield] = $_POST[$qfield];
            }
                    else if ( '' !=trim($_POST[$qfield]) ) {
                    // We need this: all fields on form will be present in $_POST.
                             $question[$qfield] = $_POST[$qfield];
            }
        }
    }
    return $question;

}

// $source should be 'from database', 'new' or 'default'
function stack_get_question($source) {

  $question = NULL;

  // $_POSTED data should over write any $_SESSION data, as it may have been
  // entered in a form.
  if ('default' == $source) {
      $question = stack_get_question_from_session();
      $question = stack_get_question_from_post();
  } else if ('database' == $source) {
      $questionID = $_POST['questionID'];
      $question=stack_db_getquestion($questionID);
  } 
  
  if ('new' == $source or NULL == $question) {
      $question['questionID']='0';
      $question['questionAnsKey']='ans1';
  }
  return $question;
}

// This function also sets $SESSION['bank_filter'] if required
function stack_get_questionbank_filter() {
      $question_bank_filter = '';
  if (array_key_exists('bank_filter',$_SESSION)) {
      $question_bank_filter = $_SESSION['bank_filter'];
  }
  if (array_key_exists('bank_filter',$_POST)) {
      $question_bank_filter = $_POST['bank_filter'];
      $_SESSION['bank_filter'] = $question_bank_filter;      
  }
  return $question_bank_filter;
}

function stack_get_selected_questions() {
         $quiz = NULL;
     if (array_key_exists('checked',$_POST)) {
        if (is_array($_POST['checked'])) {
            foreach ($_POST['checked'] as $quID => $val) {
                if ('ticked' == $val) {
                     $quiz[] = $quID;
                }
            }
        }
     }
     
     return $quiz;
}



?>