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 $returnto = optional_param('returnto', null, PARAM_URL);
  36 if (empty($returnto)) {
  37     $returnto = new moodle_url('/mod/lesson/edit.php', array('id' => $id));
  38     $returnto->set_anchor('lesson-' . $pageid);
  39 }
  40
  41 $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);
  42 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  43 $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
  44
  45 require_login($course, false, $cm);
  46
  47 $context = context_module::instance($cm->id);
  48 require_capability('mod/lesson:edit', $context);
  49
  50 $PAGE->set_url('/mod/lesson/editpage.php', array('pageid'=>$pageid, 'id'=>$id, 'qtype'=>$qtype));
  51 $PAGE->set_pagelayout('admin');
  52
  53 if ($edit) {
  54     $editpage = lesson_page::load($pageid, $lesson);
  55     $qtype = $editpage->qtype;
  56     $edit = true;
  57 } else {
  58     $edit = false;
  59 }
  60
  61 $jumpto = lesson_page::get_jumptooptions($pageid, $lesson);
  62 $manager = lesson_page_type_manager::get($lesson);
  63 $editoroptions = array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes);
  64
  65 // If the previous page was the Question type selection form, this form
  66 // will have a different name (e.g. _qf__lesson_add_page_form_selection
  67 // versus _qf__lesson_add_page_form_multichoice). This causes confusion
  68 // in moodleform::_process_submission because the array key check doesn't
  69 // tie up with the current form name, which in turn means the "submitted"
  70 // check ends up evaluating as false, thus it's not possible to check whether
  71 // the Question type selection was cancelled. For this reason, a dummy form
  72 // is created here solely to check whether the selection was cancelled.
  73 if ($qtype) {
  74     $mformdummy = $manager->get_page_form(0, array(
  75         'editoroptions' => $editoroptions,
  76         'jumpto'        => $jumpto,
  77         'lesson'        => $lesson,
  78         'edit'          => $edit,
  79         'maxbytes'      => $PAGE->course->maxbytes,
  80         'returnto'      => $returnto
  81     ));
  82     if ($mformdummy->is_cancelled()) {
  83         redirect($returnto);
  84         exit;
  85     }
  86 }
  87
  88 $mform = $manager->get_page_form($qtype, array(
  89     'editoroptions' => $editoroptions,
  90     'jumpto'        => $jumpto,
  91     'lesson'        => $lesson,
  92     'edit'          => $edit,
  93     'maxbytes'      => $PAGE->course->maxbytes,
  94     'returnto'      => $returnto
  95 ));
  96
  97 if ($mform->is_cancelled()) {
  98     redirect($returnto);
  99     exit;
 100 }
 101
 102 if ($edit) {
 103     $data = $editpage->properties();
 104     $data->pageid = $editpage->id;
 105     $data->id = $cm->id;
 106     $editoroptions['context'] = $context;
 107     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, $context, 'mod_lesson', 'page_contents',  $editpage->id);
 108
 109     $answerscount = 0;
 110     $answers = $editpage->get_answers();
 111     foreach ($answers as $answer) {
 112         $answereditor = 'answer_editor['.$answerscount.']';
 113         if (is_array($data->$answereditor)) {
 114             $answerdata = $data->$answereditor;
 115             if ($mform->get_answer_format() === LESSON_ANSWER_HTML) {
 116                 $answerdraftid = file_get_submitted_draft_itemid($answereditor);
 117                 $answertext = file_prepare_draft_area($answerdraftid, $PAGE->cm->context->id,
 118                         'mod_lesson', 'page_answers', $answer->id, $editoroptions, $answerdata['text']);
 119                 $data->$answereditor = array('text' => $answertext, 'format' => $answerdata['format'], 'itemid' => $answerdraftid);
 120             } else {
 121                 $data->$answereditor = $answerdata['text'];
 122             }
 123         }
 124
 125         $responseeditor = 'response_editor['.$answerscount.']';
 126         if (is_array($data->$responseeditor)) {
 127             $responsedata = $data->$responseeditor;
 128             if ($mform->get_response_format() === LESSON_ANSWER_HTML) {
 129                 $responsedraftid = file_get_submitted_draft_itemid($responseeditor);
 130                 $responsetext = file_prepare_draft_area($responsedraftid, $PAGE->cm->context->id,
 131                         'mod_lesson', 'page_responses', $answer->id, $editoroptions, $responsedata['text']);
 132                 $data->$responseeditor = array('text' => $responsetext, 'format' => $responsedata['format'],
 133                         'itemid' => $responsedraftid);
 134             } else {
 135                 $data->$responseeditor = $responsedata['text'];
 136             }
 137         }
 138         $answerscount++;
 139     }
 140     // Let the lesson pages make updates if required.
 141     $data = $editpage->update_form_data($data);
 142
 143     $mform->set_data($data);
 144     $PAGE->navbar->add(get_string('edit'), new moodle_url('/mod/lesson/edit.php', array('id'=>$id)));
 145     $PAGE->navbar->add(get_string('editingquestionpage', 'lesson', get_string($mform->qtypestring, 'lesson')));
 146 } else {
 147     // Give the page type being created a chance to override the creation process
 148     // this is used by endofbranch, cluster, and endofcluster to skip the creation form.
 149     // IT SHOULD ALWAYS CALL require_sesskey();
 150     $mform->construction_override($pageid, $lesson);
 151
 152     $data = new stdClass;
 153     $data->id = $cm->id;
 154     $data->pageid = $pageid;
 155     if ($qtype) {
 156         //TODO: the handling of form for the selection of question type is a bloody hack! (skodak)
 157         $data->qtype = $qtype;
 158     }
 159     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, null);
 160     $mform->set_data($data);
 161     $PAGE->navbar->add(get_string('addanewpage', 'lesson'), $PAGE->url);
 162     if ($qtype !== 'unknown') {
 163         $PAGE->navbar->add(get_string($mform->qtypestring, 'lesson'));
 164     }
 165 }
 166
 167 if ($data = $mform->get_data()) {
 168     require_sesskey();
 169     if ($edit) {
 170         $data->lessonid = $data->id;
 171         $data->id = $data->pageid;
 172         unset($data->pageid);
 173         unset($data->edit);
 174         $editpage->update($data, $context, $PAGE->course->maxbytes);
 175     } else {
 176         $editpage = lesson_page::create($data, $lesson, $context, $PAGE->course->maxbytes);
 177     }
 178     redirect($returnto);
 179 }
 180
 181 $lessonoutput = $PAGE->get_renderer('mod_lesson');
 182 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('edit', 'lesson'));
 183 $mform->display();
 184 echo $lessonoutput->footer();