mod/wiki/edit.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  * This file contains all necessary code to edit a wiki page
  20  *
  21  * @package mod_wiki
  22  * @copyright 2009 Marc Alier, Jordi Piguillem marc.alier@upc.edu
  23  * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
  24  *
  25  * @author Jordi Piguillem
  26  * @author Marc Alier
  27  * @author David Jimenez
  28  * @author Josep Arus
  29  * @author Kenneth Riba
  30  *
  31  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32  */
  33
  34 require_once('../../config.php');
  35
  36 require_once($CFG->dirroot . '/mod/wiki/lib.php');
  37 require_once($CFG->dirroot . '/mod/wiki/locallib.php');
  38 require_once($CFG->dirroot . '/mod/wiki/pagelib.php');
  39
  40 $pageid = required_param('pageid', PARAM_INT);
  41 $contentformat = optional_param('contentformat', '', PARAM_ALPHA);
  42 $option = optional_param('editoption', '', PARAM_TEXT);
  43 $section = optional_param('section', "", PARAM_RAW);
  44 $version = optional_param('version', -1, PARAM_INT);
  45 $attachments = optional_param('attachments', 0, PARAM_INT);
  46 $deleteuploads = optional_param('deleteuploads', 0, PARAM_RAW);
  47
  48 $newcontent = '';
  49 if (!empty($newcontent) && is_array($newcontent)) {
  50     $newcontent = $newcontent['text'];
  51 }
  52
  53 if (!$page = wiki_get_page($pageid)) {
  54     throw new \moodle_exception('incorrectpageid', 'wiki');
  55 }
  56
  57 if (!$subwiki = wiki_get_subwiki($page->subwikiid)) {
  58     throw new \moodle_exception('incorrectsubwikiid', 'wiki');
  59 }
  60
  61 if (!$wiki = wiki_get_wiki($subwiki->wikiid)) {
  62     throw new \moodle_exception('incorrectwikiid', 'wiki');
  63 }
  64
  65 if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id)) {
  66     throw new \moodle_exception('invalidcoursemodule');
  67 }
  68
  69 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  70
  71 if (!empty($section) && !$sectioncontent = wiki_get_section_page($page, $section)) {
  72     throw new \moodle_exception('invalidsection', 'wiki');
  73 }
  74
  75 require_login($course, true, $cm);
  76
  77 $context = context_module::instance($cm->id);
  78
  79 if (!wiki_user_can_edit($subwiki)) {
  80     throw new \moodle_exception('cannoteditpage', 'wiki');
  81 }
  82
  83 if ($option == get_string('save', 'wiki')) {
  84     if (!confirm_sesskey()) {
  85         throw new \moodle_exception(get_string('invalidsesskey', 'wiki'));
  86     }
  87     $wikipage = new page_wiki_save($wiki, $subwiki, $cm);
  88     $wikipage->set_page($page);
  89     $wikipage->set_newcontent($newcontent);
  90     $wikipage->set_upload(true);
  91 } else {
  92     if ($option == get_string('preview')) {
  93         if (!confirm_sesskey()) {
  94             throw new \moodle_exception(get_string('invalidsesskey', 'wiki'));
  95         }
  96         $wikipage = new page_wiki_preview($wiki, $subwiki, $cm, 'modulepage');
  97         $wikipage->set_page($page);
  98     } else {
  99         if ($option == get_string('cancel')) {
 100             //delete lock
 101             wiki_delete_locks($page->id, $USER->id, $section);
 102
 103             redirect($CFG->wwwroot . '/mod/wiki/view.php?pageid=' . $pageid);
 104         } else {
 105             $wikipage = new page_wiki_edit($wiki, $subwiki, $cm, 'modulepage');
 106             $wikipage->set_page($page);
 107             $wikipage->set_upload($option == get_string('upload', 'wiki'));
 108         }
 109     }
 110
 111     if (has_capability('mod/wiki:overridelock', $context)) {
 112         $wikipage->set_overridelock(true);
 113     }
 114 }
 115
 116 if ($version >= 0) {
 117     $wikipage->set_versionnumber($version);
 118 }
 119
 120 if (!empty($section)) {
 121     $wikipage->set_section($sectioncontent, $section);
 122 }
 123
 124 if (!empty($attachments)) {
 125     $wikipage->set_attachments($attachments);
 126 }
 127
 128 if (!empty($deleteuploads)) {
 129     $wikipage->set_deleteuploads($deleteuploads);
 130 }
 131
 132 if (!empty($contentformat)) {
 133     $wikipage->set_format($contentformat);
 134 }
 135
 136 $wikipage->print_header();
 137
 138 $wikipage->print_content();
 139
 140 $wikipage->print_footer();