Redesign of exercises interface (teacher)

db/messages.php

@@ -0,0 +1,10 @@
+<?php
+
+defined('MOODLE_INTERNAL') || die();
+
+$messageproviders = array (
+    // Notify teacher that a student has submitted a quiz attempt
+    'message' => array (
+        'capability'  => 'mod/iassign:view'
+    )
+);

lang/en/iassign.php

@@ -165,6 +165,7 @@ $string['duedate_preventlate_desable']    = 'The resolution of this activity can
 $string['duedate_preventlate_enable']     = 'The resolution of this activity can still be sent.';
 $string['duplicate_file']                 = 'Enter a new name for the file:';
 $string['duplicate_iassign']              = 'Duplicate';
+$string['duplicate_iassign_prefix']       = 'Copy of ';
 $string['duplicated_activity']            = 'Interactive assignment was successfully duplicated';
 $string['duration_activity']              = 'Duration of activity';
 $string['E']                              = 'AND';
@@ -400,6 +401,7 @@ $string['message_dependency']             = 'To accomplish this activity is mand
 $string['message_no_update_iassign']      = 'Click here to keep activity';
 $string['message_submit_iassign']         = 'Click here to send your response';
 $string['message_update_iassign']         = 'Click here to replace activitye';
+$string['messageprovider:message']        = 'Alert about new received messages in interactive activities';
 $string['mod_iassign']                    = 'iAssign';
 $string['modulename']                     = 'iAssign';
 $string['modulename_help']                = "This is the iAssign (Interactive Assignments) package, by LInE-USP (line.ime.usp.br).
@@ -415,6 +417,7 @@ $string['modulename_help']                = "This is the iAssign (Interactive As
          - reports about learners\' activities.";
 $string['modulenameplural']               = 'iAssigns';
 $string['move_activity']                  = 'Move activity';
+$string['move_activity_access']           = 'Access block ';
 $string['move_destination']               = 'Select destination';
 $string['move_down_iassign']              = 'Moves activity down';
 $string['move_files']                     = 'Move files and directory';
@@ -448,6 +451,7 @@ $string['no_new_comment']                 = 'Messages already read ';
 $string['no_permission_iassign']          = 'Visitors can only view activities!';
 $string['not_post']                       = 'Not submitted';
 $string['not_submissions_activity']       = 'There are no submissions relating to this activity.';
+$string['notifications']                  = 'Notifications';
 $string['null_file']                      = 'No file was uploaded';
 $string['number_submissions']             = 'Number of submissions related to this activity:';
 $string['ok_import_ilm_version']          = 'The iLM was successfully imported!';
@@ -486,7 +490,7 @@ $string['rename_iassign']                 = 'Rename activity';
 $string['repeat']                         = 'Redo activity';
 $string['repeat_alt']                     = 'Use this button to redo the activity';
 $string['repeat_msg']                     = 'If you want to do this activity from the beginning again, use the redo button.';
-$string['report']                         = 'Report';
+$string['report']                         = 'Reports';
 $string['required']                       = 'Field is required';
 $string['required_file']                  = 'You must fill in <u> File Activity </u>';
 $string['required_iassign_file']          = 'You must select an interactive activity';

lang/es/iassign.php

@@ -445,6 +445,7 @@ $string['no_new_comment']                 = 'Recados leídos';
 $string['no_permission_iassign']          = '¡Los visitantes solo pueden ver actividades!';
 $string['not_post']                       = 'No fue enviado';
 $string['not_submissions_activity']       = 'No hay envios relacionados a esta tarea.';
+$string['notifications']                  = 'Notifications';
 $string['null_file']                      = 'Fichero no fue enviado';
 $string['number_submissions']             = 'Número de envios relacionados a esta tarea:';
 $string['ok_import_ilm_version']          = '¡El iMA fue importado exitosamente!';

lang/fr/iassign.php

@@ -444,6 +444,7 @@ $string['no_new_comment']                 = 'Messages lus';
 $string['no_permission_iassign']          = 'Les visiteurs ne peuvent voir que des activités!';
 $string['not_post']                       = 'Pas envoyé';
 $string['not_submissions_activity']       = 'Pas d\essaies pour cette tâche.';
+$string['notifications']                  = 'Notifications';
 $string['null_file']                      = 'Pas de ficher trouvé';
 $string['number_submissions']             = 'Numéro d\essaies de cette têche :';
 $string['ok_import_ilm_version']          = 'L\'IMA a été importé avec succès!';

lang/pt_br/iassign.php

@@ -164,7 +164,8 @@ $string['duedate']                        = 'Data de entrega';
 $string['duedate_preventlate_desable']    = 'A resolução desta atividade NÃO pode ser enviada.';
 $string['duedate_preventlate_enable']     = 'A resolução desta atividade ainda pode ser enviada.';
 $string['duplicate_file']                 = 'Entre com um novo nome para o arquivo:';
-$string['duplicate_iassign']              = 'Duplicar';
+$string['duplicate_iassign']              = 'Duplicar atividade';
+$string['duplicate_iassign_prefix']       = 'Cópia de ';
 $string['duplicated_activity']            = 'Atividade interativa duplicada com sucesso.';
 $string['duration_activity']              = 'Prazo da atividade';
 $string['E']                              = 'E';
@@ -400,6 +401,7 @@ $string['message_dependency']             = 'Para realizar esta atividade é obr
 $string['message_no_update_iassign']      = 'Clique aqui para manter atividade';
 $string['message_submit_iassign']         = 'Clique aqui para enviar sua resposta';
 $string['message_update_iassign']         = 'Clique aqui para substituir atividade';
+$string['messageprovider:message']        = 'Alerta de novas mensagens em atividades interativas';
 $string['mod_iassign']                    = 'iTarefa';
 $string['modulename']                     = 'iTarefa';
 $string['modulename_help']                = "Este é o iTarefa (Tarefa Interativa), cujo principal objetivo é aumentar a interatividade em atividades relacionadas a temas específicos (como a Geometria, Funções ou Programação) de uma forma flexível.
@@ -412,6 +414,7 @@ As funcionalidade do pacote iTarefa são:
  - Um filtro que permite a inserção de conteúdo iMA em qualquer recurso texto do Moodle.";
 $string['modulenameplural']               = 'iTarefas';
 $string['move_activity']                  = 'Mover atividade';
+$string['move_activity_access']           = 'Acessar o bloco ';
 $string['move_destination']               = 'Selecione o destino';
 $string['move_down_iassign']              = 'Move atividade para baixo';
 $string['move_files']                     = 'Mover Arquivos e Pastas';
@@ -445,6 +448,7 @@ $string['no_new_comment']                 = 'Mensagens lidas';
 $string['no_permission_iassign']          = 'Visitantes somente podem visualizar atividades!';
 $string['not_post']                       = 'Não enviado';
 $string['not_submissions_activity']       = 'Não existem submissões relacionadas a esta atividade.';
+$string['notifications']                  = 'Notificações';
 $string['null_file']                      = 'Nenhum arquivo foi enviado';
 $string['number_submissions']             = 'Número de submissões relacionadas a esta atividade:';
 $string['ok_import_ilm_version']          = 'O iMA foi importado com sucesso!';
@@ -483,7 +487,7 @@ $string['rename_iassign']                 = 'Renomear atividade';
 $string['repeat']                         = 'Refazer atividade';
 $string['repeat_alt']                     = 'Use este botão para refazer a atividade';
 $string['repeat_msg']                     = 'Se deseja recomeçar do início esta atividade, utilize o botão "Refazer". Atenção: você perderá o conteúdo anteriormente enviado!';
-$string['report']                         = 'Relatório';
+$string['report']                         = 'Relatórios';
 $string['required']                       = 'É obrigatório o preenchimento deste campo';
 $string['required_file']                  = 'É obrigatório preencher o campo <u>Arquivo da atividade</u>';
 $string['required_iassign_file']          = 'É obrigatório selecionar uma atividade interativa';

locallib.php

@@ -278,7 +278,8 @@ class iassign {
       'overwrite' => '$this->get_answer();',
       'stats_student' => '$this->stats_students();',
       'download_answer' => '$this->export_file_answer();',
-      'download_all_answer' => '$this->export_package_answer();');
+      'download_all_answer' => '$this->export_package_answer();',
+      'notifications' => '$this->view_notifications();');
 
     $action_iassign_limit = array(
       'view' => '$this->view_iassign_current();',
@@ -691,6 +692,8 @@ class iassign {
 
     print $OUTPUT->header();
 
+    $this->print_main_menu();
+
     $id = $this->cm->id;
     $param_aux = "id=" . $id . "&userid_iassign=" . $USER->id;
     $enderecoPOST = "" . $CFG->wwwroot . "/mod/iassign/view.php?" . $param_aux;
@@ -755,7 +758,7 @@ class iassign {
     $iassignid = optional_param('iassignid', NULL, PARAM_TEXT);
     $exercises_list = $DB->get_records("iassign_statement", array("iassignid" => $iassignid));
 
-    print '<h2 class="m-b-2">' . get_string('all_submissions_manager', 'iassign') . '';
+    print '<h2 class="m-b-2 mt-5">' . get_string('all_submissions_manager', 'iassign') . '';
     print '<i onclick="download_submission(\'block\', 0, 0, '.$iassignid.')" class="fa fa-download" style="float: right; color: #1fa67a; font-size: 1.5rem; cursor: pointer; margin-left: 1rem; margin-top: .2rem;" aria-hidden="true"></i> </h2>';
 
     // Get list of enrolled students:
@@ -870,7 +873,9 @@ class iassign {
 
     print $OUTPUT->header();
 
-    print '<div><div>' . get_string('auto_evaluate_select', 'iassign') . '</div>';
+    $this->print_main_menu();
+
+    print '<div class="mt-5 mb-4"><div>' . get_string('auto_evaluate_select', 'iassign') . '</div>';
     print '<ul style="list-style-type: none; margin: 1em;">';
     foreach ($exercises_list as $exercise) {
       $matches = [];
@@ -905,7 +910,7 @@ class iassign {
         </div>
       </center>'; // close "
 
-    print '   </div>' + "\n";
+    print '   </div>';
     print ' <script>';
     print '// #submissions = ' . count($exercises_list) . "\n"; //Debug
     print '   var submissions = [';
@@ -1352,36 +1357,43 @@ var exercises = [ '; // '
 
     $context_file = $DB->get_record_sql('SELECT * FROM {context} WHERE instanceid="' . $course_module_info->id . '" AND path like "'.$path_module->path.'%"');
 
+    $course_module = get_coursemodule_from_instance('iassign', $iassign_destiny);
+
     if ($context_file) {
+
       $id_context = $context_file->id;
 
       $iassign_statement = $DB->get_record("iassign_statement", array("id" => $iassign_id));
       $fs = get_file_storage(); // Get reference to all files in Moodle data
+      
+      $context = context_module::instance($USER->cm);
 
-      $files = $fs->get_area_files(context_module::instance($this->cm->id)->id, 'mod_iassign', 'exercise', $iassign_statement->filesid);
+      $files = $fs->get_area_files($context->id, 'mod_iassign', 'exercise', $iassign_statement->filesid);
 
       foreach ($files as $value) {
-
+        
         if ($value->get_filename() != ".") {
 
-          $last_id = $DB->get_record_sql('SELECT itemid FROM {files} WHERE component="mod_iassign" ORDER BY itemid DESC LIMIT 1')->itemid;
-
-          $newfile = $fs->create_file_from_storedfile(array('contextid' => $id_context, 'component' => 'mod_iassign', 'filearea' => 'exercise', 'itemid' => $iassign_id), $value);
+          $fs->delete_area_files(context_module::instance($this->cm->id)->id, 'mod_iassign', 'exercise', $value->get_itemid());
 
+          $newfile = null;
+          
+          $destiny_context = context_module::instance($course_module->id);
+          $newfile = $fs->create_file_from_string(array('contextid' => $destiny_context->id, 'component' => 'mod_iassign', 'filearea' => 'exercise', 'itemid' => $iassign_id, 'filepath' => '/', 'filename' => $value->get_filename()), $value->get_content());
+          
           $updateentry = new stdClass();
           $updateentry->id = $iassign_id;
           $updateentry->filesid = $newfile->get_itemid();
 
           $DB->update_record("iassign_statement", $updateentry);
 
-          $fs->delete_area_files(context_module::instance($this->cm->id)->id, 'mod_iassign', 'exercise', $value->get_itemid());
-
           break;
           }
         }
       }
-
-    $this->return_home_course('moved_activity');
+      
+    $destiny_url = new moodle_url('/mod/iassign/view.php', array('id' => $course_module->id));
+    redirect($this->return, get_string('moved_activity', 'iassign').' <a href="'.$destiny_url.'">' . get_string('move_activity_access', 'iassign') . '\'' . $course_module->name . '\'</a>', null, \core\output\notification::NOTIFY_SUCCESS);
     exit;
     }
 
@@ -1402,6 +1414,9 @@ var exercises = [ '; // '
     // Remove the current id of activity
     $iassign_statement->id=0;
 
+    // Include prefix (Copy of ...)
+    $iassign_statement->name = get_string('duplicate_iassign_prefix', 'iassign') . ' ' . $iassign_statement->name;
+
     // Get the information about current author, and add this information in author_modified field
     $author = $DB->get_record("user", array('id' => $USER->id));
     $iassign_statement->author_modified_name = $author->firstname . '&nbsp;' . $author->lastname;
@@ -1578,7 +1593,7 @@ var exercises = [ '; // '
 
       // other teachers receive also: (excepts the sender)
       foreach ($teachers as $teacher) {
-        if ($teacher->id != $USER->id)
+        if ($teacher->id != $USER->id) {
           email_to_user(
             $teacher, 
             $USER->firstname . " " . $USER->lastname . " (via " . $SITE->shortname . ")",
@@ -1591,21 +1606,60 @@ var exercises = [ '; // '
             $userfrom->email,
             'Não responda a esta mensagem'
           );
+
+          $message = new \core\message\message();
+          $message->component = 'mod_iassign'; 
+          $message->name = 'message';
+          $message->userfrom = core_user::get_noreply_user();
+          $message->userto = $teacher;
+          $message->subject = $subject;
+          $message->fullmessage = $text;
+          $message->fullmessageformat = FORMAT_MARKDOWN;
+          $message->fullmessagehtml = $text;
+          $message->smallmessage = $subject;
+          $message->notification = 1;
+          $message->contexturl = $url_submissao . '#comments';
+          $message->contexturlname = $this->activity->get_activity()->name;
+          $messageid = message_send($message);
+
+        }
       }
       // and student:
       $student = $DB->get_record('user', array('id' => $student_id));
+      $formated_text = str_replace("viewsubmission", "view", $text);
       email_to_user(
         $student, 
         $USER->firstname . " " . $USER->lastname . " (via " . $SITE->shortname . ")",
         $subject, 
         "", 
-        str_replace("viewsubmission", "view", $text), 
+        $formated_text, 
         '', 
         '', 
         false,
         $userfrom->email,
         'Não responda a esta mensagem'
       );
+
+      $url_student = new moodle_url('/mod/iassign/view.php', 
+        array(
+          'id' => $this->cm->id, 
+          'action' => 'view', 
+          'iassign_current' => $this->activity->get_activity()->id));
+
+      $message = new \core\message\message();
+      $message->component = 'mod_iassign'; 
+      $message->name = 'message';
+      $message->userfrom = core_user::get_noreply_user();
+      $message->userto = $student;
+      $message->subject = $subject;
+      $message->fullmessage = $formated_text;
+      $message->fullmessageformat = FORMAT_MARKDOWN;
+      $message->fullmessagehtml = $formated_text;
+      $message->smallmessage = $subject;
+      $message->notification = 1;
+      $message->contexturl = $url_student . '#comments';
+      $message->contexturlname = $this->activity->get_activity()->name;
+      $messageid = message_send($message);
       
 
     } else { // a student has sent the comment:
@@ -1623,6 +1677,21 @@ var exercises = [ '; // '
           $userfrom->email,
           'Não responda a esta mensagem'
         );
+
+        $message = new \core\message\message();
+        $message->component = 'mod_iassign'; 
+        $message->name = 'message';
+        $message->userfrom = core_user::get_noreply_user();
+        $message->userto = $teacher;
+        $message->subject = $subject;
+        $message->fullmessage = $text;
+        $message->fullmessageformat = FORMAT_MARKDOWN;
+        $message->fullmessagehtml = $text;
+        $message->smallmessage = $subject;
+        $message->notification = 1;
+        $message->contexturl = $url_submissao . '#comments';
+        $message->contexturlname = $this->activity->get_activity()->name;
+        $messageid = message_send($message);
       }
     }
   }
@@ -2555,43 +2624,19 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
     else
       print '<table width=100%><tr>';
     print '<td >';
-    if ($this->action != 'print')
-      print $OUTPUT->help_icon('legend', 'iassign');
-
-    // helpbutton('legend', get_string('legend', 'iassign'), 'iassign', $image = true, $linktext = false, $text = '', $return = false,
-    // $imagetext = '');
-    print '<strong>' . get_string('legend', 'iassign') . '</strong>';
-    print '&nbsp;' . iassign_icons::insert('correct') . '&nbsp;' . get_string('correct', 'iassign');
-    print '&nbsp;' . iassign_icons::insert('incorrect') . '&nbsp;' . get_string('incorrect', 'iassign');
-    print '&nbsp;' . iassign_icons::insert('post') . '&nbsp;' . get_string('post', 'iassign');
-    print '&nbsp;' . iassign_icons::insert('not_post') . '&nbsp;' . get_string('not_post', 'iassign');
-    print '&nbsp;' . iassign_icons::insert('comment_unread') . '&nbsp;' . get_string('comment_unread', 'iassign');
 
     if (has_capability('mod/iassign:viewreport', $this->context, $USER->id) && $this->action == 'report') {
-      print '&nbsp;' . iassign_icons::insert('comment_read') . '&nbsp;' . get_string('comment_read', 'iassign');
-      print '</td>' . "\n";
+
       if ($this->action != 'print') {
         $link_print = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=print&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('print') . '&nbsp;' . get_string('print', 'iassign') . "</a>";
-        $link_stats = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=stats&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('results') . '&nbsp;' . get_string('graphic', 'iassign') . "</a>";
+        
         $link_export = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=export_csv&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('export_ilm') . '&nbsp;' . get_string('export_csv', 'iassign') . "</a>";
-        $link_auto_evaluate = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=auto_evaluate&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('correct') . '&nbsp;' . get_string('auto_evaluate_reprocess', 'iassign') . "</a>";
-
-        $link_all_submissions_manager = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=all_submissions&iassignid=" . $this->iassign->id . "'><i class='fa fa-files-o' aria-hidden='true' style='color: red'></i>&nbsp;" . get_string('all_submissions_manager', 'iassign') . "</a>";
-
-        print '<td width=10% align="right">' . $link_stats . '</td>' . "\n";
+        
         print '<td width=10% align="right">' . $link_export . '</td>' . "\n";
-        print '<td width=15% align="right">' . $link_auto_evaluate . '</td>' . "\n";
-        print '<td width=16% align="right">' . $link_all_submissions_manager . '</td>' . "\n";
         print '<td width=15% align="right">' . $link_print . '</td>' . "\n";
         } // if ($this->action != 'print')
       print '</tr></table>' . "\n";
       } // if (has_capability('mod/iassign:viewreport', $this->context, $USER->id) && $this->action == 'report')
-    elseif (has_capability('mod/iassign:submitiassign', $this->context, $USER->id)) {
-      $link_stats = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=stats_student&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('results') . '&nbsp;' . get_string('results', 'iassign') . "</a>";
-      print '<td width=15% align="right">' . $link_stats . '</td>' . "\n";
-      print '</tr></table>' . "\n";
-      } // elseif (has_capability('mod/iassign:submitiassign', $this->context, $USER->id))
-    else
       print '</td></tr></table>' . "\n";
     } // function view_legend_icons()
 
@@ -3394,17 +3439,19 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
       $title = get_string('report', 'iassign');
       print $OUTPUT->header();
       } // if ($this->action != 'print')
+
+    $this->print_main_menu();
+    
     print $OUTPUT->box_start();
 
     $this->view_legend_icons();
-    print '<p>' . get_string('ps_experiment', 'iassign') . '</p>';
-    print '<p>' . get_string('ps_comment', 'iassign') . '</p>';
+    
     print $OUTPUT->box_end();
 
     if ($this->action == 'print')
       print '<table border=1 width="100%">' . "\n";
     else
-      print '<table id="outlinetable" class="generaltable boxaligncenter table table-hover table-striped"  width="100%">' . "\n";
+      print '<table id="outlinetable" class="generaltable boxaligncenter table table-hover table-striped mt-5"  width="100%">' . "\n";
     print '<tr><th colspan=2 class="header c1">' . iassign_utils::remove_code_message($this->iassign->name) . '</th></tr>' . "\n";
     // $num = array();
     $i = 1;
@@ -3688,6 +3735,9 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
       }
     print "</table>\n";
 
+    print '<p class="mt-5">' . get_string('ps_experiment', 'iassign') . '</p>';
+    print '<p>' . get_string('ps_comment', 'iassign') . '</p>';
+
     if ($this->action != 'print')
       print $OUTPUT->footer();
     die();
@@ -3782,9 +3832,11 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
         } // for ($i = 1; $i < $j; $i++)
       } // if ($i > 1)
 
+    print $OUTPUT->header();
+    $this->print_main_menu();
+
     if ($this->action != 'printstats') {
       $title = get_string('graphic', 'iassign');
-      print $OUTPUT->header();
       $link_report = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=report&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('view_report') . '&nbsp;' . get_string('report', 'iassign') . "</a>";
       $link_print_stats = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=printstats&&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('print') . '&nbsp;' . get_string('print', 'iassign') . "</a>";
       print '<table width=100%><tr>';
@@ -4056,13 +4108,12 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
       } // if ($sum_nopost > 0)
 
     print $OUTPUT->header();
-    $link_return = "&nbsp;<a href='" . $this->return . "'>" . iassign_icons::insert('home') . get_string('activities_page', 'iassign') . "</a>";
-    print '<table width=100%><tr>';
-    print '<td align="right">' . $link_return . '</td>' . "\n";
-    print '</td></tr></table>' . "\n";
 
+    $this->print_main_menu();
+
+    
     print "<br/><br/>\n";
-    print '<table id="outlinetable" class="generaltable box aligncenter" cellpadding="5" width="100%">' . "\n";
+    print '<table id="outlinetable" class="generaltable box aligncenter mt-5" cellpadding="5" width="100%">' . "\n";
 
     print '<tr><th colspan=3 class="header c1">' . "\n";
     // helpbutton('legend', get_string('legend', 'iassign'), 'iassign', $image = true, $linktext = false, $text = '', $return = false,
@@ -4126,55 +4177,113 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
     die();
     } // function stats_students()
 
+  function get_total_notifications () {
+    global $DB, $USER, $COURSE;
+    
+    $params = array('userid' => $USER->id, 'course' => $COURSE->id);
+    
+    $total_messages = $DB->get_record_sql("SELECT COUNT(*) AS total FROM {iassign_submission_comment} AS c, {iassign_submission} AS s, {iassign_statement} AS st, {iassign} AS ias "
+        . " WHERE c.return_status=0 AND c.receiver=:userid AND c.iassign_submissionid=s.id AND s.iassign_statementid=st.id AND st.iassignid=ias.id AND ias.course=:course", $params);
 
-  /// Display page of iAssign's activity
-  function view_iassigns () {
-    global $USER, $CFG, $COURSE, $DB, $OUTPUT;
-    $id = $this->cm->id;
+    return $total_messages->total;
+  }
 
-    $iassign_list = $DB->get_records_list('iassign_statement', 'iassignid', array('iassignid' => $this->iassign->id), 'position ASC');
+  function view_notifications () {
+    global $OUTPUT;
+    
+    print $OUTPUT->header();
 
-    $notice = optional_param('notice', '', PARAM_TEXT);
-    if (strpos($notice, 'error'))
-      print($OUTPUT->notification(get_string($notice, 'iassign'), 'notifyproblem'));
-    else if ($notice != '')
-      print($OUTPUT->notification(get_string($notice, 'iassign'), 'notifysuccess'));
+    $this->print_main_menu();
 
-    print $OUTPUT->box_start();
+    
 
-    print '<table width=100% border=0><tr>' . "\n";
-    $url_help = new moodle_url('/mod/iassign/settings_ilm.php', array('action' => 'list', 'ilm_id' => 1));
-    $action_help = new popup_action('click', $url_help, 'iplookup', array('title' => get_string('help_ilm', 'iassign'), 'width' => 1200, 'height' => 700));
+    print $OUTPUT->footer();
+  }
 
-    $link_help = $OUTPUT->action_link($url_help, iassign_icons::insert('help_ilm') . get_string('help_ilm', 'iassign'), $action_help);
-    $link_add = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=add&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('add_iassign') . get_string('add_iassign', 'iassign') . "</a>";
-    $link_report = "<a href='" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&action=report&iassignid=" . $this->iassign->id . "'>" . iassign_icons::insert('view_report') . get_string('report', 'iassign') . "</a>";
+  function print_main_menu () {
+    $id = $this->cm->id;
 
+    $actual_action = optional_param('action', '', PARAM_TEXT);
+    
+    $url_help = new moodle_url('/mod/iassign/settings_ilm.php', array('action' => 'list', 'ilm_id' => 1));
+    $url_report = new moodle_url('/mod/iassign/view.php', array('action' => 'report', 'id' => $id, 'iassignid' => $this->iassign->id));
+    $url_add = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'add', 'iassignid' => $this->iassign->id));
+    $url_stats = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'stats_student', 'iassignid' => $this->iassign->id));
+    $url_home = new moodle_url('/mod/iassign/view.php', array('id' => $id));
+    $url_notifications = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'notifications', 'iassignid' => $this->iassign->id));
+    $url_auto_evaluate = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'auto_evaluate', 'iassignid' => $this->iassign->id));
+    $url_sub_stats = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'stats', 'iassignid' => $this->iassign->id));
+    $url_all_submissions = new moodle_url('/mod/iassign/view.php', array('id' => $id, 'action' => 'all_submissions', 'iassignid' => $this->iassign->id));
+
+    print '<div class="btn-group" role="group" aria-label="">';
+
+    print '<a href="'.$url_home.'" class="btn btn-outline-primary '.($actual_action == '' ? 'active' : '').'">
+      <i class="fa fa-home" aria-hidden="true"></i> '.get_string('activities_page', 'iassign').'
+      </a>';
+      
     // TODO: esta consulta esta sendo feita novamente na linha +/- 2258
     if (has_capability('mod/iassign:viewiassignall', $this->context, $USER->id)) {
       // could be "has_capability('mod/iassign:viewiassignall', $this->context, $USER->id)"
       // Has capability to see "report": teacher or up
-      print '<td width=10% align="left">' . "\n";
-      print $link_help;
-      print '</td>' . "\n";
-      print '<td width=10% align="left">' . "\n";
-      print $link_report;
-      print '</td>' . "\n";
+      print '<a href="'.$url_help.'" class="btn btn-outline-primary"><i class="fa fa-question-circle" aria-hidden="true"></i> '.get_string('help_ilm', 'iassign').'</a>';
+
+      print '<div class="btn-group">
+              <a href="'.$url_report.'" class="btn btn-outline-primary '.($actual_action == 'report' || $actual_action == 'stats' || $actual_action == 'all_submissions' ? 'active' : '').' dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+              <i class="fa fa-bar-chart" aria-hidden="true"></i> '.get_string('report', 'iassign').'</a>
+              <div class="dropdown-menu">
+                <a href="'.$url_report.'" class=" '.($actual_action == 'report' ? 'active' : ''). ' dropdown-item"><i class="fa fa-bar-chart" aria-hidden="true"></i> '.get_string('home', 'iassign').'</a>
+                <div class="dropdown-divider"></div>
+                <a href="'.$url_sub_stats.'" class="dropdown-item '.($actual_action == 'stats' ? 'active' : '').'"><i class="fa fa-pie-chart" aria-hidden="true"></i> '.get_string('graphic', 'iassign') .'</a>
+                <div class="dropdown-divider"></div>
+                <a href="'.$url_all_submissions.'" class="dropdown-item '.($actual_action == 'all_submissions' ? 'active' : '').'"><i class="fa fa-files-o" aria-hidden="true"></i> '.get_string('all_submissions_manager', 'iassign') .'</a>
+              </div>
+            </div>
+        ';
+
+      print '<a href="'.$url_stats.'" class="btn btn-outline-primary '.($actual_action == 'stats_student' ? 'active' : '').'"><i class="fa fa-list" aria-hidden="true"></i> '.get_string('results', 'iassign').'</a>';
+
+      print '<a href="'.$url_auto_evaluate.'" class="btn btn-outline-primary '.($actual_action == 'auto_evaluate' ? 'active' : '').'"><i class="fa fa-check-square-o" aria-hidden="true"></i> '.get_string('auto_evaluate_name_config', 'iassign').'</a>';
+      
       } // if (has_capability('mod/iassign:viewiassignall', $this->context, $USER->id))
+    
+    $notifications = $this->get_total_notifications();
+
+    print '<a href="'.$url_notifications.'" class="btn btn-outline-primary '.($actual_action == 'notifications' ? 'active' : '').'">
+     <i class="fa fa-bell" aria-hidden="true"></i> '.get_string('notifications', 'iassign');
+    
+    if ($notifications > 0)
+      print ' <span class="badge bg-danger rounded-pill" style="color: white; font-size: .9rem;">'.$notifications.'</span>';
+    
+    print '</a>';
+
     if (has_capability('mod/iassign:editiassign', $this->context, $USER->id)) {
-      print '<td width=15% align="left">' . "\n";
-      print $link_add;
-      print "</td>\n";
+      print '<a href="'.$url_add.'" class="btn btn-success"><i class="fa fa-plus" aria-hidden="true"></i> '.get_string('add_iassign', 'iassign').'</a>';
       } // if (has_capability('mod/iassign:editiassign', $this->context, $USER->id))
 
-    //print '</tr></table>' . "\n";
+    print '</div>' . "\n";
+
+  }
+
+  /// Display page of iAssign's activity
+  function view_iassigns () {
+    global $USER, $CFG, $COURSE, $DB, $OUTPUT;
+    $id = $this->cm->id;
+
+    $iassign_list = $DB->get_records_list('iassign_statement', 'iassignid', array('iassignid' => $this->iassign->id), 'position ASC');
 
+    $notice = optional_param('notice', '', PARAM_TEXT);
+    if (strpos($notice, 'error'))
+      print($OUTPUT->notification(get_string($notice, 'iassign'), 'notifyproblem'));
+    else if ($notice != '')
+      print($OUTPUT->notification(get_string($notice, 'iassign'), 'notifysuccess'));
+
+    $this->print_main_menu();
+
+    print $OUTPUT->box_start();
 
-    print '<div style="float: right;">';
     if (has_capability('mod/iassign:editiassign', $this->context, $USER->id)) {
+      print '<div class="border float-right">';
       if ($iassign_list) {
-        print '<td align="right">' . "\n";
-
         // $USER->iassignEdit == 0 view 'Turn editing off'
         // $USER->iassignEdit == 1 view 'Turn editing on'
         if (!isset($USER->iassignEdit))
@@ -4190,12 +4299,11 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
           } // elseif ($USER->iassignEdit == 1)
         $editPost = "" . $CFG->wwwroot . "/mod/iassign/view.php?id=" . $id . "&botton=" . $botton;
         print "\n<form name='formEditPost' id='formEditPost' method='post' action='$editPost' enctype='multipart/form-data'>\n";
-        print " <input type=submit value='$bottonEdit_message'/>\n";
+        print " <input class='btn btn-primary' type=submit value='$bottonEdit_message'/>\n";
         print "</form>\n";
-        print "</td>\n";
         } // if ($iassign_list)
+        print '</div>';
       }
-      print '</tr></table>' . "\n";
 
     // if (has_capability('mod/iassign:submitiassign', $this->context, $USER->id))
     //   $this->view_legend_icons();
@@ -4277,8 +4385,8 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
         } // if (has_capability('mod/iassign:editiassign', $this->context, $USER->id))
       } // if (count($iassign_list) > 5 && !(has_capability('mod/iassign:submitiassign', $this->context, $USER->id)))
 
-      if (has_capability('mod/iassign:submitiassign', $this->context, $USER->id))
-        $this->view_legend_icons();
+      // if (has_capability('mod/iassign:submitiassign', $this->context, $USER->id))
+      //   $this->view_legend_icons();
     } // function view_iassigns()
 
 
@@ -4323,6 +4431,10 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
         document.getElementById('move_dest').classList.remove('alert-danger');
         }
 
+      function closeModal() {
+        modal.style.display = 'none';
+        }
+
       function load_modal_elements() {
         modal = document.getElementById('myModal');
         var span = document.getElementById('close_modal');
@@ -4345,7 +4457,7 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
     $ccm = get_coursemodule_from_id('iassign', optional_param('id', 0, PARAM_INT));
 
     $radio_buttons = "  <form name='form_move_activity'><input type='hidden' name='action' value='move_activity' />
-      <input type='hidden' name='id' value='" . optional_param('id', NULL, PARAM_TEXT) . "' />
+      <input type='hidden' name='id' value='" . optional_param('id', NULL, PARAM_TEXT) . "'>
       <input type='hidden' name='iassign_current' value='' />";
 
     $course_sections = get_fast_modinfo($PAGE->course->id)->get_section_info_all();
@@ -4371,7 +4483,7 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
       }
 
     print $radio_buttons . "    <center><input type='submit' value='OK' onClick='return validate_move();' />\n &nbsp;
-      <input type='button' value='" . get_string('cancel', 'iassign') . "' onClick='modal.style.display = \'none\';' /></center>
+      <input type='button' value='" . get_string('cancel', 'iassign') . "' onClick='closeModal()'  data-bs-dismiss='modal' /></center>
     </form>
     </div></div> </div></div>\n";
     print "    <style>.modal {
@@ -4426,7 +4538,8 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
       </style>";
 
     if (has_capability('mod/iassign:viewiassignall', $this->context, $USER->id)) {
-      print "<p><font color='#0000aa'><strong>" . $title . "</strong></font></p>";
+      print '<h5 class="fw-bold" style="font-weight: 400; margin: -1rem 0 1.5rem 0;">' . $title . "</h5>";
+      print '<table class="table table-hover" style="border-bottom: 1px solid #dee2e6;">';
       for ($j = 0; $j < $i; $j ++) {
         $iassign_current = $iassign_array[$j]->id;
 
@@ -4468,46 +4581,50 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
         $links .= $comment_unread;
         if (has_capability('mod/iassign:editiassign', $this->context, $USER->id) && $USER->iassignEdit == 1) {
 
+    $action_links = "<nav aria-label='Action links'><ul class='pagination pagination-sm mb-0 my-1 text-success'>";
+
 	  //D echo "id=$id, iassign_current=$iassign_current, iassign_up=$iassign_up, iassign_down=$iassign_down<br/>";
     $str_aux = "&id=$id&iassign_current=$iassign_current&iassign_up=$iassign_up&iassign_down=$iassign_down";
 
-    $link_up = "&nbsp;<a href='view.php?action=up$str_aux'>" . iassign_icons::insert('move_up_iassign') . "</a>";
+    $link_up = "<li class='page-item'><a href='view.php?action=up$str_aux' class='page-link' title='".get_string('move_up_iassign', 'iassign')."'><i class='fa fa-arrow-up' aria-hidden='true'></i></a></li>";
     if ($j==0) // first activity
-      $link_down = "&nbsp;<a href='view.php?action=firstdown$str_aux'>" . iassign_icons::insert('move_down_iassign') . "</a>";
+      $link_down = "<li class='page-item'><a href='view.php?action=firstdown$str_aux' class='page-link' title='".get_string('move_down_iassign', 'iassign')."'><i class='fa fa-arrow-down' aria-hidden='true'></i></a></li>";
     else
-      $link_down = "&nbsp;<a href='view.php?action=down$str_aux'>" . iassign_icons::insert('move_down_iassign') . "</a>";
-    $link_delete = "&nbsp;<a href='view.php?action=delete$str_aux'>" . iassign_icons::insert('delete_iassign') . "</a>";
-    $link_visible_hide = "&nbsp;<a href='view.php?action=visible$str_aux'>" . iassign_icons::insert('hide_iassign') . "</a>";
-    $link_visible_show = "&nbsp;<a href='view.php?action=visible$str_aux'>" . iassign_icons::insert('show_iassign') . "</a>";
-    $link_edit = "&nbsp;<a href='view.php?action=edit$str_aux'>" . iassign_icons::insert('edit_iassign') . "</a>";
-    $link_duplicate_activity = "&nbsp;<a href='view.php?action=duplicate_activity$str_aux' >" . iassign_icons::insert('duplicate_iassign') . "</a>\n";
-    $link_move_activity = "&nbsp;<a href='#' onclick='load_move($iassign_current); return false;' >" . iassign_icons::insert('move_activity') . "</a>\n";
+      $link_down = "<li class='page-item'><a href='view.php?action=down$str_aux' class='page-link' title='".get_string('move_up_iassign', 'iassign')."'><i class='fa fa-arrow-down' aria-hidden='true'></i></a></li>";
+    $link_delete = "<li class='page-item'><a href='view.php?action=delete$str_aux' class='page-link' title='".get_string('delete_iassign', 'iassign')."'><i class='fa fa-trash-o' aria-hidden='true'></i></a></li>";
+    $link_visible_hide = "<li class='page-item'><a href='view.php?action=visible$str_aux' class='page-link' title='".get_string('hide_iassign', 'iassign')."'><i class='fa fa-eye' aria-hidden='true'></i></a></li>";
+    $link_visible_show = "<li class='page-item'><a href='view.php?action=visible$str_aux' class='page-link' title='".get_string('show_iassign', 'iassign')."'><i class='fa fa-eye-slash' aria-hidden='true'></i></a></li>";
+    $link_edit = "<li class='page-item'><a href='view.php?action=edit$str_aux' class='page-link' title='".get_string('edit_iassign', 'iassign')."'><i class='fa fa-pencil-square-o' aria-hidden='true'></i></a></li>";
+    $link_duplicate_activity = "<li class='page-item'><a href='view.php?action=duplicate_activity$str_aux' class='page-link' title='".get_string('duplicate_iassign', 'iassign')."'><i class='fa fa-clone' aria-hidden='true'></i></a></li>";
+    $link_move_activity = "<li class='page-item'><a href='#' onclick='load_move($iassign_current); return false;' class='page-link' title='".get_string('move_activity', 'iassign')."'><i class='fa fa-sign-out' aria-hidden='true'></i></a></li>";
 
           if (count($iassign_array) > 1) {
             if ($j == 0)
-              $links .= $link_down;
+              $action_links .= $link_down;
             elseif ($j == $i - 1)
-              $links .= $link_up;
+              $action_links .= $link_up;
             else
-              $links .= $link_up . $link_down;
+              $action_links .= $link_up . $link_down;
             } // if (count($iassign_array) > 1)
-          $links .= $link_edit . $link_delete;
+            $action_links .= $link_edit . $link_delete;
 
           if ($iassign_array[$j]->visible == 0)
-            $links .= $link_visible_show;
+            $action_links .= $link_visible_show;
           else
-            $links .= $link_visible_hide;
+            $action_links .= $link_visible_hide;
 
-          $links .= $link_duplicate_activity . $link_move_activity;
+          $action_links .= $link_duplicate_activity . $link_move_activity;
           } // if ($USER->iassignEdit == 1 && has_capability('mod/iassign:editiassign', $this->context, $USER->id))
 
-        print '<p>' . $links . '</p>' . "\n";
+        $action_links .= '</ul></nav>';
+
+        print '<tr><td style="white-space: nowrap; width: 1%; padding-right: 2rem;" class="align-middle">' . $links . '</td><td class="align-middle">'.$action_links.'</td></tr>' . "\n";
         }
+        print '</tbody></table>';
       } // if (has_capability('mod/iassign:viewiassignall', $this->context, $USER->id))
     elseif (has_capability('mod/iassign:submitiassign', $this->context, $USER->id)) { // student
-      print '<table width=100% ><tr>' . "\n";
-      print "<td width=70% align='left'><font color='#0000aa'><strong>" . $title . "</strong></font></td>" . "\n";
-      print '</tr></table>' . "\n";
+      print '<h5 class="fw-bold" style="font-weight: 400; margin: -1rem 0 1.5rem 0;">' . $title . "</h5>";
+      print '<table class="table table-hover" style="border-bottom: 1px solid #dee2e6;">';
 
       for ($j = 0; $j < $i; $j ++) {
         $icon_status = "";
@@ -4543,13 +4660,13 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
            if ($iassign_array[$j]->type_iassign == 3) {
              if ($iassign_array[$j]->show_answer == 1) {
                if ($iassign_submission->status == 3)
-                 $icon_status = iassign_icons::insert('correct');
+                 $icon_status = '<i class="fa fa-check" style="color: green; font-size: 1.2rem;" aria-hidden="true" title="'.get_string('correct', 'iassign').'"></i>';
                elseif ($iassign_submission->status == 2)
-                 $icon_status = iassign_icons::insert('incorrect');
+                 $icon_status = '<i class="fa fa-times" style="color: red; font-size: 1.2rem;" aria-hidden="true" title="'.get_string('incorrect', 'iassign').'"></i>';
                elseif ($iassign_submission->status == 1)
                  $icon_status = iassign_icons::insert('post');
                elseif ($iassign_submission->status == 0)
-                 $icon_status = iassign_icons::insert('not_post');
+                 $icon_status = '<i class="fa fa-question" style="color: #77229c; font-size: 1.2rem;" aria-hidden="true" title="'.get_string('not_post', 'iassign').'"></i>';
                } // if ($iassign_array[$j]->show_answer==1)
              else {
                if ($iassign_submission->status == 0)
@@ -4560,9 +4677,10 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
              } // if ($iassign_array[$j]->type_iassign == 3)
            } // if ($iassign_submission)
          elseif ($iassign_array[$j]->type_iassign == 3) {
-             $icon_status = iassign_icons::insert('not_post');
+             $icon_status = '<i class="fa fa-question" style="color: #77229c; font-size: 1.2rem;" aria-hidden="true" title="'.get_string('not_post', 'iassign').'"></i>';
            } // if ($iassign_array[$j]->type_iassign == 3)
-         print '<p>' . $icon_status . '&nbsp;' . $links . '&nbsp;' . $icon_comment . '</p>' . "\n";
+         print '<tr><td style="white-space: nowrap; width: 1%; padding-right: 0; text-align: center;">'. $icon_status .'</td><td style="white-space: nowrap; width: 1%; padding-right: 2rem; padding-left: 0.2rem;">' . $links . '</td><td>'. $icon_comment.'</td></tr>' . "\n";
+         //print '<p>' . $icon_status . '&nbsp;' . $links . '&nbsp;' . $icon_comment . '</p>' . "\n";
           } // if ($iassign_array[$j]->visible == 1)
         } // for ($j = 0; $j < $i; $j++)
       } else if (isguestuser()) {
@@ -4581,6 +4699,7 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
           } // if ($iassign_array[$j]->visible == 1)
         }
       }
+    print '</table>';
     print $OUTPUT->box_end();
     } // function show_iassign($title, $iassign_array, $i)
 
@@ -4599,6 +4718,7 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
     //D echo '</td></tr></table>' . "\n";
     //D echo $OUTPUT->box_end();
     //D // echo $OUTPUT->footer();
+    
     redirect(new moodle_url($this->return . '&notice=' . $message));
     exit;
     }
@@ -4744,22 +4864,7 @@ $param->special_param1 = 0; // 'special_param1 == 1' => script of iGeom
         $newentry->comment = $submission_comment;
         $newentry->receiver = $receiver;
         $ia_assign_submissions_comment_id = $DB->insert_record('iassign_submission_comment', $newentry);
-        //T foreach ($tousers as $touser) { //TODO Para registrar mensagem na area do Moodle - tem que ativar '$tousers[] = $DB->get_record(...);' acima
-        //T $eventdata = new stdClass();
-        //T $eventdata->component         = 'mod_iassign'; //your component name
-        //T $eventdata->name              = 'comment'; //this is the message name from messages.php
-        //T $eventdata->userfrom          = $USER;
-        //T $eventdata->userto            = $touser;
-        //T $eventdata->subject           = "Teste de Subject";
-        //T $eventdata->fullmessage       = "Teste de Mensagem...";
-        //T $eventdata->fullmessageformat = FORMAT_PLAIN;
-        //T $eventdata->fullmessagehtml   = "<b>Teste de Mensagem...</b>";
-        //T $eventdata->smallmessage      = "Teste de Mensagem";
-        //T $eventdata->notification      = 1; //this is only set to 0 for personal messages between users
-        //T // alteracao tulio faria
-        //T //message_send($eventdata);
-        //T } //MOOC 2016 - TODO NAO finalizado, iniciado pelo Tulio
-        // Trigger module viewed event.
+        
         $event = \mod_iassign\event\submission_comment_created::create(array(
           'objectid' => $this->iassign->id,
           'context' => $this->context
@@ -4857,7 +4962,8 @@ class activity {
 
     $iassign_submission_currents = $DB->get_records("iassign_submission", array("iassign_statementid" => $this->activity->id));
 
-    $output = $OUTPUT->header();
+    print $OUTPUT->header();
+
     $output .= $OUTPUT->box_start();
     $output .= "<p>" . get_string('delete_activity', 'iassign') . "&nbsp;<strong>" . $this->activity->name . "</strong></p>";
     if ($iassign_submission_currents) {

version.php

@@ -90,7 +90,7 @@ defined('MOODLE_INTERNAL') || die();
 // v 1.0 2012/10/16
 $plugin->component = 'mod_iassign';  // Full name of the plugin (used for diagnostics)
 $plugin->release = '2.8.01 (Build: 2020080300)'; // Human-readable version name
-$plugin->version = 2021020700;       // The current module version (Date: YYYYMMDDXX)
+$plugin->version = 2021020701;       // The current module version (Date: YYYYMMDDXX)
 $plugin->requires = 2014021100;      // Requires this Moodle version since 3.0.0)
 $plugin->maturity = MATURITY_STABLE; // How stable the plugin is: MATURITY_ALPHA, MATURITY_BETA, MATURITY_RC, MATURITY_STABLE (Moodle 2.0 and above)
 $plugin->cron = 60;