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 $PAGE->set_secondary_active_tab('modulepage');
  56 $PAGE->add_body_class('limitedwidth');
  57
  58 if ($edit) {
  59     $editpage = lesson_page::load($pageid, $lesson);
  60     $qtype = $editpage->qtype;
  61     $edit = true;
  62 } else {
  63     $edit = false;
  64 }
  65
  66 $jumpto = lesson_page::get_jumptooptions($pageid, $lesson);
  67 $manager = lesson_page_type_manager::get($lesson);
  68 $editoroptions = array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes);
  69
  70 // If the previous page was the Question type selection form, this form
  71 // will have a different name (e.g. _qf__lesson_add_page_form_selection
  72 // versus _qf__lesson_add_page_form_multichoice). This causes confusion
  73 // in moodleform::_process_submission because the array key check doesn't
  74 // tie up with the current form name, which in turn means the "submitted"
  75 // check ends up evaluating as false, thus it's not possible to check whether
  76 // the Question type selection was cancelled. For this reason, a dummy form
  77 // is created here solely to check whether the selection was cancelled.
  78 if ($qtype) {
  79     $mformdummy = $manager->get_page_form(0, array(
  80         'editoroptions' => $editoroptions,
  81         'jumpto'        => $jumpto,
  82         'lesson'        => $lesson,
  83         'edit'          => $edit,
  84         'maxbytes'      => $PAGE->course->maxbytes,
  85         'returnto'      => $returnto
  86     ));
  87     if ($mformdummy->is_cancelled()) {
  88         redirect($returnto);
  89         exit;
  90     }
  91 }
  92
  93 $mform = $manager->get_page_form($qtype, array(
  94     'editoroptions' => $editoroptions,
  95     'jumpto'        => $jumpto,
  96     'lesson'        => $lesson,
  97     'edit'          => $edit,
  98     'maxbytes'      => $PAGE->course->maxbytes,
  99     'returnto'      => $returnto
 100 ));
 101
 102 if ($mform->is_cancelled()) {
 103     redirect($returnto);
 104     exit;
 105 }
 106
 107 if ($edit) {
 108     $data = $editpage->properties();
 109     $data->pageid = $editpage->id;
 110     $data->id = $cm->id;
 111     $editoroptions['context'] = $context;
 112     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, $context, 'mod_lesson', 'page_contents',  $editpage->id);
 113
 114     $answerscount = 0;
 115     $answers = $editpage->get_answers();
 116     foreach ($answers as $answer) {
 117         $answereditor = 'answer_editor['.$answerscount.']';
 118         if (is_array($data->$answereditor)) {
 119             $answerdata = $data->$answereditor;
 120             if ($mform->get_answer_format() === LESSON_ANSWER_HTML) {
 121                 $answerdraftid = file_get_submitted_draft_itemid($answereditor);
 122                 $answertext = file_prepare_draft_area($answerdraftid, $PAGE->cm->context->id,
 123                         'mod_lesson', 'page_answers', $answer->id, $editoroptions, $answerdata['text']);
 124                 $data->$answereditor = array('text' => $answertext, 'format' => $answerdata['format'], 'itemid' => $answerdraftid);
 125             } else {
 126                 $data->$answereditor = $answerdata['text'];
 127             }
 128         }
 129
 130         $responseeditor = 'response_editor['.$answerscount.']';
 131         if (is_array($data->$responseeditor)) {
 132             $responsedata = $data->$responseeditor;
 133             if ($mform->get_response_format() === LESSON_ANSWER_HTML) {
 134                 $responsedraftid = file_get_submitted_draft_itemid($responseeditor);
 135                 $responsetext = file_prepare_draft_area($responsedraftid, $PAGE->cm->context->id,
 136                         'mod_lesson', 'page_responses', $answer->id, $editoroptions, $responsedata['text']);
 137                 $data->$responseeditor = array('text' => $responsetext, 'format' => $responsedata['format'],
 138                         'itemid' => $responsedraftid);
 139             } else {
 140                 $data->$responseeditor = $responsedata['text'];
 141             }
 142         }
 143         $answerscount++;
 144     }
 145     // Let the lesson pages make updates if required.
 146     $data = $editpage->update_form_data($data);
 147
 148     $mform->set_data($data);
 149     $PAGE->navbar->add(get_string('edit'), new moodle_url('/mod/lesson/edit.php', array('id'=>$id)));
 150     $PAGE->navbar->add(get_string('editingquestionpage', 'lesson', get_string($mform->qtypestring, 'lesson')));
 151 } else {
 152     // Give the page type being created a chance to override the creation process
 153     // this is used by endofbranch, cluster, and endofcluster to skip the creation form.
 154     // IT SHOULD ALWAYS CALL require_sesskey();
 155     $mform->construction_override($pageid, $lesson);
 156
 157     $data = new stdClass;
 158     $data->id = $cm->id;
 159     $data->pageid = $pageid;
 160     if ($qtype) {
 161         //TODO: the handling of form for the selection of question type is a bloody hack! (skodak)
 162         $data->qtype = $qtype;
 163     }
 164     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, null);
 165     $mform->set_data($data);
 166     $PAGE->navbar->add(get_string('addanewpage', 'lesson'), $PAGE->url);
 167     if ($qtype !== 'unknown') {
 168         $PAGE->navbar->add(get_string($mform->qtypestring, 'lesson'));
 169     }
 170 }
 171
 172 if ($data = $mform->get_data()) {
 173     require_sesskey();
 174     if ($edit) {
 175         $data->lessonid = $data->id;
 176         $data->id = $data->pageid;
 177         unset($data->pageid);
 178         unset($data->edit);
 179         $editpage->update($data, $context, $PAGE->course->maxbytes);
 180     } else {
 181         $editpage = lesson_page::create($data, $lesson, $context, $PAGE->course->maxbytes);
 182     }
 183     redirect($returnto);
 184 }
 185
 186 $lessonoutput = $PAGE->get_renderer('mod_lesson');
 187 echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('edit', 'lesson'));
 188 $mform->display();
 189 echo $lessonoutput->footer();