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
  22  * @subpackage lesson
  23  * @copyright  2009 Sam Hemelryk
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  **/
  26
  27 require_once("../../config.php");
  28 require_once($CFG->dirroot.'/mod/lesson/locallib.php');
  29 require_once('editpage_form.php');
  30
  31 // first get the preceeding page
  32 $pageid = required_param('pageid', PARAM_INT);
  33 $id     = required_param('id', PARAM_INT);         // Course Module ID
  34 $qtype  = optional_param('qtype', 0, PARAM_INT);
  35 $edit   = optional_param('edit', false, PARAM_BOOL);
  36
  37 $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);;
  38 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  39 $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
  40
  41 require_login($course, false, $cm);
  42
  43 $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  44 require_capability('mod/lesson:edit', $context);
  45
  46 $PAGE->set_url('/mod/lesson/editpage.php', array('pageid'=>$pageid, 'id'=>$id, 'qtype'=>$qtype));
  47
  48 if ($edit) {
  49     $editpage = lesson_page::load($pageid, $lesson);
  50     $qtype = $editpage->qtype;
  51     $edit = true;
  52 } else {
  53     $edit = false;
  54 }
  55
  56 $jumpto = lesson_page::get_jumptooptions($pageid, $lesson);
  57 $manager = lesson_page_type_manager::get($lesson);
  58 $editoroptions = array('noclean'=>true, 'maxfiles'=>EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes);
  59
  60 // If the previous page was the Question type selection form, this form
  61 // will have a different name (e.g. _qf__lesson_add_page_form_selection
  62 // versus _qf__lesson_add_page_form_multichoice). This causes confusion
  63 // in moodleform::_process_submission because the array key check doesn't
  64 // tie up with the current form name, which in turn means the "submitted"
  65 // check ends up evaluating as false, thus it's not possible to check whether
  66 // the Question type selection was cancelled. For this reason, a dummy form
  67 // is created here solely to check whether the selection was cancelled.
  68 if ($qtype) {
  69     $mformdummy = $manager->get_page_form(0, array('editoroptions'=>$editoroptions, 'jumpto'=>$jumpto, 'lesson'=>$lesson, 'edit'=>$edit, 'maxbytes'=>$PAGE->course->maxbytes));
  70     if ($mformdummy->is_cancelled()) {
  71         redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$id");
  72         exit;
  73     }
  74 }
  75
  76 $mform = $manager->get_page_form($qtype, array('editoroptions'=>$editoroptions, 'jumpto'=>$jumpto, 'lesson'=>$lesson, 'edit'=>$edit, 'maxbytes'=>$PAGE->course->maxbytes));
  77
  78 if ($mform->is_cancelled()) {
  79     redirect("$CFG->wwwroot/mod/lesson/edit.php?id=$id");
  80     exit;
  81 }
  82
  83 if ($edit) {
  84     $data = $editpage->properties();
  85     $data->pageid = $editpage->id;
  86     $data->id = $cm->id;
  87     $editoroptions['context'] = $context;
  88     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, $context, 'mod_lesson', 'page_contents',  $editpage->id);
  89     $mform->set_data($data);
  90     $PAGE->navbar->add(get_string('edit'), new moodle_url('/mod/lesson/edit.php', array('id'=>$id)));
  91     $PAGE->navbar->add(get_string('editingquestionpage', 'lesson', get_string($mform->qtypestring, 'lesson')));
  92 } else {
  93     // Give the page type being created a chance to override the creation process
  94     // this is used by endofbranch, cluster, and endofcluster to skip the creation form.
  95     // IT SHOULD ALWAYS CALL require_sesskey();
  96     $mform->construction_override($pageid, $lesson);
  97
  98     $data = new stdClass;
  99     $data->id = $cm->id;
 100     $data->pageid = $pageid;
 101     if ($qtype) {
 102         //TODO: the handling of form for the selection of question type is a bloody hack! (skodak)
 103         $data->qtype = $qtype;
 104     }
 105     $data = file_prepare_standard_editor($data, 'contents', $editoroptions, null);
 106     $mform->set_data($data);
 107     $PAGE->navbar->add(get_string('addanewpage', 'lesson'), $PAGE->url);
 108     if ($qtype !== 'unknown') {
 109         $PAGE->navbar->add(get_string($mform->qtypestring, 'lesson'));
 110     }
 111 }
 112
 113 if ($data = $mform->get_data()) {
 114     require_sesskey();
 115     if ($edit) {
 116         $data->lessonid = $data->id;
 117         $data->id = $data->pageid;
 118         unset($data->pageid);
 119         unset($data->edit);
 120         $editpage->update($data, $context, $PAGE->course->maxbytes);
 121     } else {
 122         $editpage = lesson_page::create($data, $lesson, $context, $PAGE->course->maxbytes);
 123     }
 124     redirect(new moodle_url('/mod/lesson/edit.php', array('id'=>$cm->id)));
 125 }
 126
 127 $lessonoutput = $PAGE->get_renderer('mod_lesson');
 128 echo $lessonoutput->header($lesson, $cm);
 129 $mform->display();
 130 echo $lessonoutput->footer();