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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  // This file is part of BasicLTI4Moodle
  18  //
  19  // BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
  20  // consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
  21  // based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
  22  // specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
  23  // are already supporting or going to support BasicLTI. This project Implements the consumer
  24  // for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
  25  // BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
  26  // at the GESSI research group at UPC.
  27  // SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
  28  // by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
  29  // Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
  30  //
  31  // BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
  32  // of the Universitat Politecnica de Catalunya http://www.upc.edu
  33  // Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.
  34  
  35  /**
  36   * This file contains the script used to clone Moodle admin setting page.
  37   *
  38   * It is used to create a new form used to pre-configure lti activities
  39   *
  40   * @package mod_lti
  41   * @copyright  2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
  42   *  marc.alier@upc.edu
  43   * @copyright  2009 Universitat Politecnica de Catalunya http://www.upc.edu
  44   * @author     Marc Alier
  45   * @author     Jordi Piguillem
  46   * @author     Nikolas Galanis
  47   * @author     Chris Scribner
  48   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  49   */
  50  
  51  require_once('../../config.php');
  52  require_once($CFG->libdir.'/adminlib.php');
  53  require_once($CFG->dirroot.'/mod/lti/edit_form.php');
  54  require_once($CFG->dirroot.'/mod/lti/locallib.php');
  55  
  56  $action       = optional_param('action', null, PARAM_ALPHANUMEXT);
  57  $id           = optional_param('id', null, PARAM_INT);
  58  $tab          = optional_param('tab', '', PARAM_ALPHAEXT);
  59  $returnto     = optional_param('returnto', '', PARAM_ALPHA);
  60  
  61  if ($returnto == 'toolconfigure') {
  62      $returnurl = new moodle_url($CFG->wwwroot . '/mod/lti/toolconfigure.php');
  63  }
  64  
  65  // No guest autologin.
  66  require_login(0, false);
  67  
  68  require_sesskey();
  69  
  70  // Check this is not for a tool created from a tool proxy.
  71  if (!empty($id)) {
  72      $type = lti_get_type_type_config($id);
  73      if (!empty($type->toolproxyid)) {
  74          $sesskey = required_param('sesskey', PARAM_RAW);
  75          $params = array('action' => $action, 'id' => $id, 'sesskey' => $sesskey, 'tab' => $tab);
  76          if (!empty($returnto)) {
  77              $params['returnto'] = $returnto;
  78          }
  79          $redirect = new moodle_url('/mod/lti/toolssettings.php', $params);
  80          redirect($redirect);
  81      }
  82  } else {
  83      $type = new stdClass();
  84      // Assign a default empty value for the lti_icon.
  85      $type->lti_icon = '';
  86      $type->lti_secureicon = '';
  87  }
  88  
  89  $pageurl = new moodle_url('/mod/lti/typessettings.php');
  90  if (!empty($id)) {
  91      $pageurl->param('id', $id);
  92  }
  93  if (!empty($returnto)) {
  94      $pageurl->param('returnto', $returnto);
  95  }
  96  $PAGE->set_url($pageurl);
  97  
  98  admin_externalpage_setup('managemodules'); // Hacky solution for printing the admin page.
  99  
 100  $redirect = "$CFG->wwwroot/$CFG->admin/settings.php?section=modsettinglti&tab={$tab}";
 101  if (!empty($returnurl)) {
 102      $redirect = $returnurl;
 103  }
 104  
 105  if ($action == 'accept') {
 106      lti_set_state_for_type($id, LTI_TOOL_STATE_CONFIGURED);
 107      redirect($redirect);
 108  } else if ($action == 'reject') {
 109      lti_set_state_for_type($id, LTI_TOOL_STATE_REJECTED);
 110      redirect($redirect);
 111  } else if ($action == 'delete') {
 112      lti_delete_type($id);
 113      redirect($redirect);
 114  }
 115  
 116  if (lti_request_is_using_ssl() && !empty($type->lti_secureicon)) {
 117      $type->oldicon = $type->lti_secureicon;
 118  } else {
 119      $type->oldicon = $type->lti_icon;
 120  }
 121  
 122  $form = new mod_lti_edit_types_form($pageurl, (object)array('isadmin' => true, 'istool' => false));
 123  
 124  if ($data = $form->get_data()) {
 125      $type = new stdClass();
 126      if (!empty($id)) {
 127          $type->id = $id;
 128          lti_load_type_if_cartridge($data);
 129          lti_update_type($type, $data);
 130  
 131          redirect($redirect);
 132      } else {
 133          $type->state = LTI_TOOL_STATE_CONFIGURED;
 134          lti_load_type_if_cartridge($data);
 135          lti_add_type($type, $data);
 136  
 137          redirect($redirect);
 138      }
 139  } else if ($form->is_cancelled()) {
 140      redirect($redirect);
 141  }
 142  
 143  $PAGE->set_title("$SITE->shortname: " . get_string('toolsetup', 'lti'));
 144  $PAGE->navbar->add(get_string('lti_administration', 'lti'), $CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section=modsettinglti');
 145  
 146  echo $OUTPUT->header();
 147  echo $OUTPUT->heading(get_string('toolsetup', 'lti'));
 148  echo $OUTPUT->box_start('generalbox');
 149  
 150  if ($action == 'update') {
 151      $form->set_data($type);
 152  }
 153  
 154  $form->display();
 155  echo $OUTPUT->box_end();
 156  echo $OUTPUT->footer();