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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * This file is used to display a categories sub categories, external pages, and settings.
  19   *
  20   * @since      Moodle 2.3
  21   * @package    admin
  22   * @copyright  2011 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->libdir.'/adminlib.php');
  28  
  29  $category = required_param('category', PARAM_SAFEDIR);
  30  $return = optional_param('return','', PARAM_ALPHA);
  31  $adminediting = optional_param('adminedit', -1, PARAM_BOOL);
  32  
  33  /// no guest autologin
  34  require_login(0, false);
  35  $PAGE->set_context(context_system::instance());
  36  $PAGE->set_url('/admin/category.php', array('category' => $category));
  37  $PAGE->set_pagetype('admin-setting-' . $category);
  38  $PAGE->set_pagelayout('admin');
  39  $PAGE->navigation->clear_cache();
  40  
  41  $adminroot = admin_get_root(); // need all settings
  42  $settingspage = $adminroot->locate($category, true);
  43  
  44  if (empty($settingspage) or !($settingspage instanceof admin_category)) {
  45      print_error('categoryerror', 'admin', "$CFG->wwwroot/$CFG->admin/");
  46  }
  47  
  48  if (!($settingspage->check_access())) {
  49      print_error('accessdenied', 'admin');
  50  }
  51  
  52  
  53  $statusmsg = '';
  54  $errormsg  = '';
  55  
  56  if ($data = data_submitted() and confirm_sesskey()) {
  57      if (admin_write_settings($data)) {
  58          $statusmsg = get_string('changessaved');
  59      }
  60  
  61      if (empty($adminroot->errors)) {
  62          switch ($return) {
  63              case 'site': redirect("$CFG->wwwroot/");
  64              case 'admin': redirect("$CFG->wwwroot/$CFG->admin/");
  65          }
  66      } else {
  67          $errormsg = get_string('errorwithsettings', 'admin');
  68          $firsterror = reset($adminroot->errors);
  69      }
  70      $settingspage = $adminroot->locate($category, true);
  71  }
  72  
  73  if ($PAGE->user_allowed_editing() && $adminediting != -1) {
  74      $USER->editing = $adminediting;
  75  }
  76  
  77  if ($PAGE->user_allowed_editing()) {
  78      $url = clone($PAGE->url);
  79      if ($PAGE->user_is_editing()) {
  80          $caption = get_string('blockseditoff');
  81          $url->param('adminedit', 'off');
  82      } else {
  83          $caption = get_string('blocksediton');
  84          $url->param('adminedit', 'on');
  85      }
  86      $buttons = $OUTPUT->single_button($url, $caption, 'get');
  87  }
  88  
  89  $savebutton = false;
  90  $outputhtml = '';
  91  foreach ($settingspage->children as $childpage) {
  92      if ($childpage->is_hidden()) {
  93          continue;
  94      }
  95      if ($childpage instanceof admin_externalpage) {
  96          $outputhtml .= $OUTPUT->heading(html_writer::link($childpage->url, $childpage->visiblename), 3);
  97      } else if ($childpage instanceof admin_settingpage) {
  98          $outputhtml .= $OUTPUT->heading(html_writer::link(new moodle_url('/'.$CFG->admin.'/settings.php', array('section' => $childpage->name)), $childpage->visiblename), 3);
  99          // If its a settings page and has settings lets display them.
 100          if (!empty($childpage->settings)) {
 101              $outputhtml .= html_writer::start_tag('fieldset', array('class' => 'adminsettings'));
 102              foreach ($childpage->settings as $setting) {
 103                  if (empty($setting->nosave)) {
 104                      $savebutton = true;
 105                  }
 106                  $fullname = $setting->get_full_name();
 107                  if (array_key_exists($fullname, $adminroot->errors)) {
 108                      $data = $adminroot->errors[$fullname]->data;
 109                  } else {
 110                      $data = $setting->get_setting();
 111                  }
 112                  $outputhtml .= html_writer::tag('div', '<!-- -->', array('class' => 'clearer'));
 113                  $outputhtml .= $setting->output_html($data);
 114              }
 115              $outputhtml .= html_writer::end_tag('fieldset');
 116          }
 117      } else if ($childpage instanceof admin_category) {
 118          $outputhtml .= $OUTPUT->heading(html_writer::link(new moodle_url('/'.$CFG->admin.'/category.php', array('category' => $childpage->name)), get_string('admincategory', 'admin', $childpage->visiblename)), 3);
 119      }
 120  }
 121  if ($savebutton) {
 122      $outputhtml .= html_writer::start_tag('div', array('class' => 'form-buttons'));
 123      $outputhtml .= html_writer::empty_tag('input', array('class' => 'form-submit', 'type' => 'submit', 'value' => get_string('savechanges','admin')));
 124      $outputhtml .= html_writer::end_tag('div');
 125  }
 126  
 127  $visiblepathtosection = array_reverse($settingspage->visiblepath);
 128  $PAGE->set_title("$SITE->shortname: " . implode(": ",$visiblepathtosection));
 129  $PAGE->set_heading($SITE->fullname);
 130  $PAGE->set_button($buttons);
 131  
 132  echo $OUTPUT->header();
 133  
 134  if ($errormsg !== '') {
 135      echo $OUTPUT->notification($errormsg);
 136  } else if ($statusmsg !== '') {
 137      echo $OUTPUT->notification($statusmsg, 'notifysuccess');
 138  }
 139  
 140  $path = array_reverse($settingspage->visiblepath);
 141  if (is_array($path)) {
 142      $visiblename = join(' / ', $path);
 143  } else {
 144      $visiblename = $path;
 145  }
 146  echo $OUTPUT->heading(get_string('admincategory', 'admin', $visiblename), 2);
 147  
 148  echo html_writer::start_tag('form', array('action' => '', 'method' => 'post', 'id' => 'adminsettings'));
 149  echo html_writer::start_tag('div');
 150  echo html_writer::input_hidden_params(new moodle_url($PAGE->url, array('sesskey' => sesskey(), 'return' => $return)));
 151  echo html_writer::end_tag('div');
 152  echo html_writer::start_tag('fieldset');
 153  echo html_writer::tag('div', '<!-- -->', array('class' => 'clearer'));
 154  echo $outputhtml;
 155  echo html_writer::end_tag('fieldset');
 156  echo html_writer::end_tag('form');
 157  
 158  echo $OUTPUT->footer();