mod/lesson/editpage.php

   1 <?php
   2
   3 // This file is part of Moodle - http://moodle.org/
   4 //
   5 // Moodle is free software: you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation, either version 3 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // Moodle is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License
  16 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 /**
  19  * Action for adding a question page.  Prints an HTML form.
  20  *
  21  * @package mod_lesson
  22  * @copyright  2009 Sam Hemelryk
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24  **/
  25
  26 require_once("../../config.php");
  27 require_once($CFG->dirroot.'/mod/lesson/locallib.php');
  28 require_once('editpage_form.php');
  29
  30 // first get the preceeding page
  31 $pageid = required_param('pageid', PARAM_INT);
  32 $id     = required_param('id', PARAM_INT);         // Course Module ID
  33 $qtype  = optional_param('qtype', 0, PARAM_INT);
  34 $edit   = optional_param('edit', false, PARAM_BOOL);
  35 $returnto = optional_param('returnto', null, PARAM_LOCALURL);
  36
  37 if (!empty($returnto)) {
  38     $returnto = new moodle_url($returnto);
  39 } else {
  40     $returnto = new moodle_url('/mod/lesson/edit.php', array('id' => $id));
  41     $returnto->set_anchor('lesson-' . $pageid);
  42 }
  43
  44 $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);
  45 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  46 $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
  47
  48 require_login($course, false, $cm);
  49
  50 $context = context_module::instance($cm->id);
  51 require_capability('mod/lesson:edit', $context);
  52
  53 $PAGE->set_url('/mod/lesson/editpage.php', array('pageid'=>$pageid, 'id'=>$id, 'qtype'=>$qtype));
  54 $PAGE->set_pagelayout('admin');
  55
  56 if ($edit) {
  57     $editpage = lesson_page::load($pageid, $lesson);
  58     $qtype = $editpage->qtype;
  59     $edit = true;
  60 } else {
  61     $edit = false;
  62 }
  63
  64 $jumpto = lesson_page::get_jumptooptions($pageid, $lesson);
  65 $manager = lesson_page_type_manager::get($lesson);
  66 $editoroptions = array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes);
  67
  68 // If the previous page was the Question type selection form, this form
  69 // will have a different name (e.g. _qf__lesson_add_page_form_selection
  70 // versus _qf__lesson_add_page_form_multichoice). This causes confusion
  71 // in moodleform::_process_submission because the array key check doesn't
  72 // tie up with the current form name, which in turn means the "submitted"
  73 // check ends up evaluating as false, thus it's not possible to check whether
  74 // the Question type selection was cancelled. For this reason, a dummy form
  75 // is created here solely to check whether the selection was cancelled.
  76 if ($qtype) {
  77     $mformdummy = $manager->get_page_form(0, array(
  78         'editoroptions' => $editoroptions,
  79         'jumpto'        => $jumpto,
  80         'lesson'        => $lesson,
  81         'edit'          => $edit,
  82         'maxbytes'      => $PAGE->course->maxbytes,
  83         'returnto'      => $returnto
  84     ));
  85     if ($mformdummy->is_cancelled()) {
  86         redirect($returnto);
  87         exit;
  88     }
  89 }
  90
  91 $mform = $manager->get_page_form($qtype, array(
  92     'editoroptions' => $editoroptions,
  93     'jumpto'        => $jumpto,
  94     'lesson'        => $lesson,
  95     'edit'          => $edit,
  96     'maxbytes'      => $PAGE->course->maxbytes,
  97     'returnto'      => $returnto
  98 ));
  99
 100 if ($mform->is_cancelled()) {
 101     redirect($returnto);
 102     exit;
 103 }
 104
 105 if ($edit) {
 106     $data = $editpage->properties();
 107     $data->pageid = $editpage->id;
 108     $data->id = $cm->id;
 109     $editoroptions['context'] = $context;
 110     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, $context, 'mod_lesson', 'page_contents',  $editpage->id);
 111
 112     $answerscount = 0;
 113     $answers = $editpage->get_answers();
 114     foreach ($answers as $answer) {
 115         $answereditor = 'answer_editor['.$answerscount.']';
 116         if (is_array($data->$answereditor)) {
 117             $answerdata = $data->$answereditor;
 118             if ($mform->get_answer_format() === LESSON_ANSWER_HTML) {
 119                 $answerdraftid = file_get_submitted_draft_itemid($answereditor);
 120                 $answertext = file_prepare_draft_area($answerdraftid, $PAGE->cm->context->id,
 121                         'mod_lesson', 'page_answers', $answer->id, $editoroptions, $answerdata['text']);
 122                 $data->$answereditor = array('text' => $answertext, 'format' => $answerdata['format'], 'itemid' => $answerdraftid);
 123             } else {
 124                 $data->$answereditor = $answerdata['text'];
 125             }
 126         }
 127
 128         $responseeditor = 'response_editor['.$answerscount.']';
 129         if (is_array($data->$responseeditor)) {
 130             $responsedata = $data->$responseeditor;
 131             if ($mform->get_response_format() === LESSON_ANSWER_HTML) {
 132                 $responsedraftid = file_get_submitted_draft_itemid($responseeditor);
 133                 $responsetext = file_prepare_draft_area($responsedraftid, $PAGE->cm->context->id,
 134                         'mod_lesson', 'page_responses', $answer->id, $editoroptions, $responsedata['text']);
 135                 $data->$responseeditor = array('text' => $responsetext, 'format' => $responsedata['format'],
 136                         'itemid' => $responsedraftid);
 137             } else {
 138                 $data->$responseeditor = $responsedata['text'];
 139             }
 140         }
 141         $answerscount++;
 142     }
 143     // Let the lesson pages make updates if required.
 144     $data = $editpage->update_form_data($data);
 145
 146     $mform->set_data($data);
 147     $PAGE->navbar->add(get_string('edit'), new moodle_url('/mod/lesson/edit.php', array('id'=>$id)));
 148     $PAGE->navbar->add(get_string('editingquestionpage', 'lesson', get_string($mform->qtypestring, 'lesson')));
 149 } else {
 150     // Give the page type being created a chance to override the creation process
 151     // this is used by endofbranch, cluster, and endofcluster to skip the creation form.
 152     // IT SHOULD ALWAYS CALL require_sesskey();
 153     $mform->construction_override($pageid, $lesson);
 154
 155     $data = new stdClass;
 156     $data->id = $cm->id;
 157     $data->pageid = $pageid;
 158     if ($qtype) {
 159         //TODO: the handling of form for the selection of question type is a bloody hack! (skodak)
 160         $data->qtype = $qtype;
 161     }
 162     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, null);
 163     $mform->set_data($data);
 164     $PAGE->navbar->add(get_string('addanewpage', 'lesson'), $PAGE->url);
 165     if ($qtype !== 'unknown') {
 166         $PAGE->navbar->add(get_string($mform->qtypestring, 'lesson'));
 167     }
 168 }
 169
 170 if ($data = $mform->get_data()) {
 171     require_sesskey();
 172     if ($edit) {
 173         $data->lessonid = $data->id;
 174         $data->id = $data->pageid;
 175         unset($data->pageid);
 176         unset($data->edit);
 177         $editpage->update($data, $context, $PAGE->course->maxbytes);
 178     } else {
 179         $editpage = lesson_page::create($data, $lesson, $context, $PAGE->course->maxbytes);
 180     }
 181     redirect($returnto);
 182 }
 183
 184 $lessonoutput = $PAGE->get_renderer('mod_lesson');
 185 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('edit', 'lesson'));
 186 $mform->display();
 187 echo $lessonoutput->footer();