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   1  <?php
   2        // Allows the admin to manage activity modules
   3  
   4      require_once('../config.php');
   5      require_once ('../course/lib.php');
   6      require_once($CFG->libdir.'/adminlib.php');
   7      require_once($CFG->libdir.'/tablelib.php');
   8  
   9      // defines
  10      define('MODULE_TABLE','module_administration_table');
  11  
  12      admin_externalpage_setup('managemodules');
  13  
  14      $show    = optional_param('show', '', PARAM_PLUGIN);
  15      $hide    = optional_param('hide', '', PARAM_PLUGIN);
  16  
  17  
  18  /// Print headings
  19  
  20      $stractivities = get_string("activities");
  21      $struninstall = get_string('uninstallplugin', 'core_admin');
  22      $strversion = get_string("version");
  23      $strhide = get_string("hide");
  24      $strshow = get_string("show");
  25      $strsettings = get_string("settings");
  26      $stractivities = get_string("activities");
  27      $stractivitymodule = get_string("activitymodule");
  28      $strshowmodulecourse = get_string('showmodulecourse');
  29  
  30  /// If data submitted, then process and store.
  31  
  32      if (!empty($hide) and confirm_sesskey()) {
  33          if (!$module = $DB->get_record("modules", array("name"=>$hide))) {
  34              print_error('moduledoesnotexist', 'error');
  35          }
  36          $DB->set_field("modules", "visible", "0", array("id"=>$module->id)); // Hide main module
  37          // Remember the visibility status in visibleold
  38          // and hide...
  39          $sql = "UPDATE {course_modules}
  40                     SET visibleold=visible, visible=0
  41                   WHERE module=?";
  42          $DB->execute($sql, array($module->id));
  43          // Increment course.cacherev for courses where we just made something invisible.
  44          // This will force cache rebuilding on the next request.
  45          increment_revision_number('course', 'cacherev',
  46                  "id IN (SELECT DISTINCT course
  47                                  FROM {course_modules}
  48                                 WHERE visibleold=1 AND module=?)",
  49                  array($module->id));
  50          core_plugin_manager::reset_caches();
  51          admin_get_root(true, false);  // settings not required - only pages
  52      }
  53  
  54      if (!empty($show) and confirm_sesskey()) {
  55          if (!$module = $DB->get_record("modules", array("name"=>$show))) {
  56              print_error('moduledoesnotexist', 'error');
  57          }
  58          $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
  59          $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
  60          // Increment course.cacherev for courses where we just made something visible.
  61          // This will force cache rebuilding on the next request.
  62          increment_revision_number('course', 'cacherev',
  63                  "id IN (SELECT DISTINCT course
  64                                  FROM {course_modules}
  65                                 WHERE visible=1 AND module=?)",
  66                  array($module->id));
  67          core_plugin_manager::reset_caches();
  68          admin_get_root(true, false);  // settings not required - only pages
  69      }
  70  
  71      echo $OUTPUT->header();
  72      echo $OUTPUT->heading($stractivities);
  73  
  74  /// Get and sort the existing modules
  75  
  76      if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
  77          print_error('moduledoesnotexist', 'error');
  78      }
  79  
  80  /// Print the table of all modules
  81      // construct the flexible table ready to display
  82      $table = new flexible_table(MODULE_TABLE);
  83      $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'uninstall', 'settings'));
  84      $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strsettings, $struninstall));
  85      $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
  86      $table->set_attribute('id', 'modules');
  87      $table->set_attribute('class', 'admintable generaltable');
  88      $table->setup();
  89  
  90      foreach ($modules as $module) {
  91  
  92          if (!file_exists("$CFG->dirroot/mod/$module->name/lib.php")) {
  93              $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
  94              $missing = true;
  95          } else {
  96              // took out hspace="\10\", because it does not validate. don't know what to replace with.
  97              $icon = "<img src=\"" . $OUTPUT->pix_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
  98              $strmodulename = $icon.' '.get_string('modulename', $module->name);
  99              $missing = false;
 100          }
 101  
 102          $uninstall = '';
 103          if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('mod_'.$module->name, 'manage')) {
 104              $uninstall = html_writer::link($uninstallurl, $struninstall);
 105          }
 106  
 107          if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
 108                  file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
 109              $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
 110          } else {
 111              $settings = "";
 112          }
 113  
 114          try {
 115              $count = $DB->count_records_select($module->name, "course<>0");
 116          } catch (dml_exception $e) {
 117              $count = -1;
 118          }
 119          if ($count>0) {
 120              $countlink = "<a href=\"{$CFG->wwwroot}/course/search.php?modulelist=$module->name" .
 121                  "&amp;sesskey=".sesskey()."\" title=\"$strshowmodulecourse\">$count</a>";
 122          } else if ($count < 0) {
 123              $countlink = get_string('error');
 124          } else {
 125              $countlink = "$count";
 126          }
 127  
 128          if ($missing) {
 129              $visible = '';
 130              $class   = '';
 131          } else if ($module->visible) {
 132              $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
 133                         "<img src=\"" . $OUTPUT->pix_url('t/hide') . "\" class=\"iconsmall\" alt=\"$strhide\" /></a>";
 134              $class   = '';
 135          } else {
 136              $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
 137                         "<img src=\"" . $OUTPUT->pix_url('t/show') . "\" class=\"iconsmall\" alt=\"$strshow\" /></a>";
 138              $class =   'dimmed_text';
 139          }
 140          if ($module->name == "forum") {
 141              $uninstall = "";
 142              $visible = "";
 143              $class = "";
 144          }
 145          $version = get_config('mod_'.$module->name, 'version');
 146  
 147          $table->add_data(array(
 148              $strmodulename,
 149              $countlink,
 150              $version,
 151              $visible,
 152              $settings,
 153              $uninstall,
 154          ), $class);
 155      }
 156  
 157      $table->print_html();
 158  
 159      echo $OUTPUT->footer();
 160  
 161