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   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  require_once('../../config.php');
  19  require_once (__DIR__ . '/create_form.php');
  20  require_once($CFG->dirroot . '/mod/wiki/lib.php');
  21  require_once($CFG->dirroot . '/mod/wiki/locallib.php');
  22  require_once($CFG->dirroot . '/mod/wiki/pagelib.php');
  23  
  24  // this page accepts two actions: new and create
  25  // 'new' action will display a form contains page title and page format
  26  // selections
  27  // 'create' action will create a new page in db, and redirect to
  28  // page editing page.
  29  $action = optional_param('action', 'new', PARAM_TEXT);
  30  // The title of the new page, can be empty
  31  $title = optional_param('title', get_string('newpage', 'wiki'), PARAM_TEXT);
  32  $wid = optional_param('wid', 0, PARAM_INT);
  33  $swid = optional_param('swid', 0, PARAM_INT);
  34  $group = optional_param('group', 0, PARAM_INT);
  35  $uid = optional_param('uid', 0, PARAM_INT);
  36  
  37  // 'create' action must be submitted by moodle form
  38  // so sesskey must be checked
  39  if ($action == 'create') {
  40      if (!confirm_sesskey()) {
  41          print_error('invalidsesskey');
  42      }
  43  }
  44  
  45  if (!empty($swid)) {
  46      $subwiki = wiki_get_subwiki($swid);
  47  
  48      if (!$wiki = wiki_get_wiki($subwiki->wikiid)) {
  49          print_error('incorrectwikiid', 'wiki');
  50      }
  51  
  52  } else {
  53      $subwiki = wiki_get_subwiki_by_group($wid, $group, $uid);
  54  
  55      if (!$wiki = wiki_get_wiki($wid)) {
  56          print_error('incorrectwikiid', 'wiki');
  57      }
  58  
  59  }
  60  
  61  if (!$cm = get_coursemodule_from_instance('wiki', $wiki->id)) {
  62      print_error('invalidcoursemodule');
  63  }
  64  
  65  $groups = new stdClass();
  66  if (groups_get_activity_groupmode($cm)) {
  67      $modulecontext = context_module::instance($cm->id);
  68      $canaccessgroups = has_capability('moodle/site:accessallgroups', $modulecontext);
  69      if ($canaccessgroups) {
  70          $groups->availablegroups = groups_get_all_groups($cm->course);
  71          $allpart = new stdClass();
  72          $allpart->id = '0';
  73          $allpart->name = get_string('allparticipants');
  74          array_unshift($groups->availablegroups, $allpart);
  75      } else {
  76          $groups->availablegroups = groups_get_all_groups($cm->course, $USER->id);
  77      }
  78      if (!empty($group)) {
  79          $groups->currentgroup = $group;
  80      } else {
  81          $groups->currentgroup = groups_get_activity_group($cm);
  82      }
  83  }
  84  
  85  $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  86  
  87  require_login($course, true, $cm);
  88  
  89  $wikipage = new page_wiki_create($wiki, $subwiki, $cm);
  90  
  91  if (!empty($swid)) {
  92      $wikipage->set_gid($subwiki->groupid);
  93      $wikipage->set_uid($subwiki->userid);
  94      $wikipage->set_swid($swid);
  95  } else {
  96      $wikipage->set_wid($wid);
  97      $wikipage->set_gid($group);
  98      $wikipage->set_uid($uid);
  99  }
 100  
 101  $wikipage->set_availablegroups($groups);
 102  $wikipage->set_title($title);
 103  
 104  // set page action, and initialise moodle form
 105  $wikipage->set_action($action);
 106  
 107  switch ($action) {
 108  case 'create':
 109      $newpageid = $wikipage->create_page($title);
 110      redirect($CFG->wwwroot . '/mod/wiki/edit.php?pageid='.$newpageid);
 111      break;
 112  case 'new':
 113      // Go straight to editing if we know the page title and we're in force format mode.
 114      if ((int)$wiki->forceformat == 1 && $title != get_string('newpage', 'wiki')) {
 115          $newpageid = $wikipage->create_page($title);
 116          redirect($CFG->wwwroot . '/mod/wiki/edit.php?pageid='.$newpageid);
 117      } else {
 118          $wikipage->print_header();
 119          // Create a new page.
 120          $wikipage->print_content($title);
 121      }
 122      $wikipage->print_footer();
 123      break;
 124  }