admin/modules.php

   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         redirect(new moodle_url('/admin/modules.php'));
  53     }
  54
  55     if (!empty($show) and confirm_sesskey()) {
  56         if (!$module = $DB->get_record("modules", array("name"=>$show))) {
  57             print_error('moduledoesnotexist', 'error');
  58         }
  59         $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
  60         $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
  61         // Increment course.cacherev for courses where we just made something visible.
  62         // This will force cache rebuilding on the next request.
  63         increment_revision_number('course', 'cacherev',
  64                 "id IN (SELECT DISTINCT course
  65                                 FROM {course_modules}
  66                                WHERE visible=1 AND module=?)",
  67                 array($module->id));
  68         core_plugin_manager::reset_caches();
  69         admin_get_root(true, false);  // settings not required - only pages
  70         redirect(new moodle_url('/admin/modules.php'));
  71     }
  72
  73     echo $OUTPUT->header();
  74     echo $OUTPUT->heading($stractivities);
  75
  76 /// Get and sort the existing modules
  77
  78     if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
  79         print_error('moduledoesnotexist', 'error');
  80     }
  81
  82 /// Print the table of all modules
  83     // construct the flexible table ready to display
  84     $table = new flexible_table(MODULE_TABLE);
  85     $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'uninstall', 'settings'));
  86     $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strsettings, $struninstall));
  87     $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
  88     $table->set_attribute('id', 'modules');
  89     $table->set_attribute('class', 'admintable generaltable');
  90     $table->setup();
  91
  92     $pluginmanager = core_plugin_manager::instance();
  93
  94     foreach ($modules as $module) {
  95         $plugininfo = $pluginmanager->get_plugin_info('mod_'.$module->name);
  96         $status = $plugininfo->get_status();
  97
  98         if ($status === core_plugin_manager::PLUGIN_STATUS_MISSING) {
  99             $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
 100             $missing = true;
 101         } else {
 102             // took out hspace="\10\", because it does not validate. don't know what to replace with.
 103             $icon = "<img src=\"" . $OUTPUT->image_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
 104             $strmodulename = $icon.' '.get_string('modulename', $module->name);
 105             $missing = false;
 106         }
 107
 108         $uninstall = '';
 109         if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('mod_'.$module->name, 'manage')) {
 110             $uninstall = html_writer::link($uninstallurl, $struninstall);
 111         }
 112
 113         if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
 114                 file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
 115             $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
 116         } else {
 117             $settings = "";
 118         }
 119
 120         try {
 121             $count = $DB->count_records_select($module->name, "course<>0");
 122         } catch (dml_exception $e) {
 123             $count = -1;
 124         }
 125         if ($count>0) {
 126             $countlink = $OUTPUT->action_link(new moodle_url('/course/search.php', ['modulelist' => $module->name]),
 127                 $count, null, ['title' => $strshowmodulecourse]);
 128         } else if ($count < 0) {
 129             $countlink = get_string('error');
 130         } else {
 131             $countlink = "$count";
 132         }
 133
 134         if ($missing) {
 135             $visible = '';
 136             $class   = '';
 137         } else if ($module->visible) {
 138             $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
 139                        $OUTPUT->pix_icon('t/hide', $strhide) . '</a>';
 140             $class   = '';
 141         } else {
 142             $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
 143                        $OUTPUT->pix_icon('t/show', $strshow) . '</a>';
 144             $class =   'dimmed_text';
 145         }
 146         if ($module->name == "forum") {
 147             $uninstall = "";
 148             $visible = "";
 149             $class = "";
 150         }
 151         $version = get_config('mod_'.$module->name, 'version');
 152
 153         $table->add_data(array(
 154             $strmodulename,
 155             $countlink,
 156             $version,
 157             $visible,
 158             $settings,
 159             $uninstall,
 160         ), $class);
 161     }
 162
 163     $table->print_html();
 164
 165     echo $OUTPUT->footer();
 166
 167