mod/lesson/action/updatepage.php

   1 <?php // $Id$
   2 /**
   3  * Action for processing the form in editpage action and saves the page
   4  *
   5  * @version $Id$
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
   7  * @package lesson
   8  **/
   9     confirm_sesskey();
  10
  11     $redirect = optional_param('redirect', '', PARAM_ALPHA);
  12
  13     $timenow = time();
  14     $form = data_submitted();
  15
  16     $page = new stdClass;
  17     $page->id = clean_param($form->pageid, PARAM_INT);
  18
  19     // check to see if the cancel button was pushed
  20     if (optional_param('cancel', '', PARAM_ALPHA)) {
  21         if ($redirect == 'navigation') {
  22             // redirect to viewing the page
  23             redirect("$CFG->wwwroot/mod/lesson/view.php?id=$cm->id&amp;pageid=$page->id");
  24         } else {
  25             redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
  26         }
  27     }
  28
  29     $page->timemodified = $timenow;
  30     $page->qtype = clean_param($form->qtype, PARAM_INT);
  31     if (isset($form->qoption)) {
  32         $page->qoption = clean_param($form->qoption, PARAM_INT);
  33     } else {
  34         $page->qoption = 0;
  35     }
  36     if (isset($form->layout)) {
  37         $page->layout = clean_param($form->layout, PARAM_INT);
  38     } else {
  39         $page->layout = 0;
  40     }
  41     if (isset($form->display)) {
  42         $page->display = clean_param($form->display, PARAM_INT);
  43     } else {
  44         $page->display = 0;
  45     }
  46     $page->title = clean_param($form->title, PARAM_CLEANHTML);
  47     $page->contents = trim($form->contents);
  48     $page->title = addslashes($page->title);
  49
  50     if (!update_record("lesson_pages", $page)) {
  51         error("Update page: page not updated");
  52     }
  53     if ($page->qtype == LESSON_ENDOFBRANCH || $page->qtype == LESSON_ESSAY || $page->qtype == LESSON_CLUSTER || $page->qtype == LESSON_ENDOFCLUSTER) {
  54         // there's just a single answer with a jump
  55         $oldanswer = new stdClass;
  56         $oldanswer->id = $form->answerid[0];
  57         $oldanswer->timemodified = $timenow;
  58         $oldanswer->jumpto = clean_param($form->jumpto[0], PARAM_INT);
  59         if (isset($form->score[0])) {
  60             $oldanswer->score = clean_param($form->score[0], PARAM_INT);
  61         }
  62         // delete other answers  this if mainly for essay questions.  If one switches from using a qtype like Multichoice,
  63         // then switches to essay, the old answers need to be removed because essay is
  64         // supposed to only have one answer record
  65         if ($answers = get_records_select("lesson_answers", "pageid = ".$page->id)) {
  66             foreach ($answers as $answer) {
  67                 if ($answer->id != clean_param($form->answerid[0], PARAM_INT)) {
  68                     if (!delete_records("lesson_answers", "id", $answer->id)) {
  69                         error("Update page: unable to delete answer record");
  70                     }
  71                 }
  72             }
  73         }
  74         if (!update_record("lesson_answers", $oldanswer)) {
  75             error("Update page: EOB not updated");
  76         }
  77     } else {
  78         // it's an "ordinary" page
  79         if ($page->qtype == LESSON_MATCHING) {
  80             // need to add two to offset correct response and wrong response
  81             $lesson->maxanswers = $lesson->maxanswers + 2;
  82         }
  83         for ($i = 0; $i < $lesson->maxanswers; $i++) {
  84             // strip tags because the editor gives <p><br />...
  85             // also save any answers where the editor is (going to be) used
  86             if ((!empty($form->answer[$i]) and trim(strip_tags($form->answer[$i]))) or isset($form->answereditor[$i]) or isset($form->responseeditor[$i])) {
  87                 if ($form->answerid[$i]) {
  88                     $oldanswer = new stdClass;
  89                     $oldanswer->id = clean_param($form->answerid[$i], PARAM_INT);
  90                     if (!isset($form->answereditor[$i])) {
  91                         $form->answereditor[$i] = 0;
  92                     }
  93                     if (!isset($form->responseeditor[$i])) {
  94                         $form->responseeditor[$i] = 0;
  95                     }
  96                     $oldanswer->flags = $form->answereditor[$i] * LESSON_ANSWER_EDITOR +
  97                                         $form->responseeditor[$i] * LESSON_RESPONSE_EDITOR;
  98                     $oldanswer->timemodified = $timenow;
  99                     $oldanswer->answer = trim($form->answer[$i]);
 100                     if (isset($form->response[$i])) {
 101                         $oldanswer->response = trim($form->response[$i]);
 102                     } else {
 103                         $oldanswer->response = '';
 104                     }
 105                     $oldanswer->jumpto = clean_param($form->jumpto[$i], PARAM_INT);
 106                     if (isset($form->score[$i])) {
 107                         $oldanswer->score = clean_param($form->score[$i], PARAM_INT);
 108                     }
 109                     if (!update_record("lesson_answers", $oldanswer)) {
 110                         error("Update page: answer $i not updated");
 111                     }
 112                 } else {
 113                     // it's a new answer
 114                     $newanswer = new stdClass; // need to clear id if more than one new answer is ben added
 115                     $newanswer->lessonid = $lesson->id;
 116                     $newanswer->pageid = $page->id;
 117                     if (!isset($form->answereditor[$i])) {
 118                         $form->answereditor[$i] = 0;
 119                     }
 120                     if (!isset($form->responseeditor[$i])) {
 121                         $form->responseeditor[$i] = 0;
 122                     }
 123                     $newanswer->flags = $form->answereditor[$i] * LESSON_ANSWER_EDITOR +
 124                                         $form->responseeditor[$i] * LESSON_RESPONSE_EDITOR;
 125                     $newanswer->timecreated = $timenow;
 126                     $newanswer->answer = trim($form->answer[$i]);
 127                     if (isset($form->response[$i])) {
 128                         $newanswer->response = trim($form->response[$i]);
 129                     }
 130                     $newanswer->jumpto = clean_param($form->jumpto[$i], PARAM_INT);
 131                     if (isset($form->score[$i])) {
 132                         $newanswer->score = clean_param($form->score[$i], PARAM_INT);
 133                     }
 134                     $newanswerid = insert_record("lesson_answers", $newanswer);
 135                     if (!$newanswerid) {
 136                         error("Update page: answer record not inserted");
 137                     }
 138                 }
 139             } else {
 140                  if ($form->qtype == LESSON_MATCHING) {
 141                     if ($i >= 2) {
 142                         if ($form->answerid[$i]) {
 143                             // need to delete blanked out answer
 144                             if (!delete_records("lesson_answers", "id", clean_param($form->answerid[$i], PARAM_INT))) {
 145                                 error("Update page: unable to delete answer record");
 146                             }
 147                         }
 148                     } else {
 149                         $oldanswer = new stdClass;
 150                         $oldanswer->id = clean_param($form->answerid[$i], PARAM_INT);
 151                         if (!isset($form->answereditor[$i])) {
 152                             $form->answereditor[$i] = 0;
 153                         }
 154                         if (!isset($form->responseeditor[$i])) {
 155                             $form->responseeditor[$i] = 0;
 156                         }
 157                         $oldanswer->flags = $form->answereditor[$i] * LESSON_ANSWER_EDITOR +
 158                                             $form->responseeditor[$i] * LESSON_RESPONSE_EDITOR;
 159                         $oldanswer->timemodified = $timenow;
 160                         $oldanswer->answer = NULL;
 161                         if (!update_record("lesson_answers", $oldanswer)) {
 162                             error("Update page: answer $i not updated");
 163                         }
 164                     }
 165                 } elseif (!empty($form->answerid[$i])) {
 166                     // need to delete blanked out answer
 167                     if (!delete_records("lesson_answers", "id", clean_param($form->answerid[$i], PARAM_INT))) {
 168                         error("Update page: unable to delete answer record");
 169                     }
 170                 }
 171             }
 172         }
 173     }
 174
 175     if ($form->redisplay) {
 176         redirect("$CFG->wwwroot/mod/lesson/lesson.php?id=$cm->id&amp;action=editpage&amp;pageid=$page->id&amp;redirect=$redirect");
 177     }
 178
 179     lesson_set_message(get_string('updatedpage', 'lesson').': '.format_string($page->title, true), 'notifysuccess');
 180     if ($redirect == 'navigation') {
 181         // takes us back to viewing the page
 182         redirect("$CFG->wwwroot/mod/lesson/view.php?id=$cm->id&amp;pageid=$page->id");
 183     } else {
 184         redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$cm->id");
 185     }
 186 ?>