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     $strshowmodulecourse = get_string('showmodulecourse');
  29
  30     // Purge all caches related to activity modules administration.
  31     cache::make('core', 'plugininfo_mod')->purge();
  32
  33 /// If data submitted, then process and store.
  34
  35     if (!empty($hide) and confirm_sesskey()) {
  36         if (!$module = $DB->get_record("modules", array("name"=>$hide))) {
  37             print_error('moduledoesnotexist', 'error');
  38         }
  39         $DB->set_field("modules", "visible", "0", array("id"=>$module->id)); // Hide main module
  40         // Remember the visibility status in visibleold
  41         // and hide...
  42         $sql = "UPDATE {course_modules}
  43                    SET visibleold=visible, visible=0
  44                  WHERE module=?";
  45         $DB->execute($sql, array($module->id));
  46         // Increment course.cacherev for courses where we just made something invisible.
  47         // This will force cache rebuilding on the next request.
  48         increment_revision_number('course', 'cacherev',
  49                 "id IN (SELECT DISTINCT course
  50                                 FROM {course_modules}
  51                                WHERE visibleold=1 AND module=?)",
  52                 array($module->id));
  53         admin_get_root(true, false);  // settings not required - only pages
  54     }
  55
  56     if (!empty($show) and confirm_sesskey()) {
  57         if (!$module = $DB->get_record("modules", array("name"=>$show))) {
  58             print_error('moduledoesnotexist', 'error');
  59         }
  60         $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
  61         $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
  62         // Increment course.cacherev for courses where we just made something visible.
  63         // This will force cache rebuilding on the next request.
  64         increment_revision_number('course', 'cacherev',
  65                 "id IN (SELECT DISTINCT course
  66                                 FROM {course_modules}
  67                                WHERE visible=1 AND module=?)",
  68                 array($module->id));
  69         admin_get_root(true, false);  // settings not required - only pages
  70     }
  71
  72     echo $OUTPUT->header();
  73     echo $OUTPUT->heading($stractivities);
  74
  75 /// Get and sort the existing modules
  76
  77     if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
  78         print_error('moduledoesnotexist', 'error');
  79     }
  80
  81 /// Print the table of all modules
  82     // construct the flexible table ready to display
  83     $table = new flexible_table(MODULE_TABLE);
  84     $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'uninstall', 'settings'));
  85     $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $struninstall, $strsettings));
  86     $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
  87     $table->set_attribute('id', 'modules');
  88     $table->set_attribute('class', 'generaltable');
  89     $table->setup();
  90
  91     foreach ($modules as $module) {
  92
  93         if (!file_exists("$CFG->dirroot/mod/$module->name/lib.php")) {
  94             $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
  95             $missing = true;
  96         } else {
  97             // took out hspace="\10\", because it does not validate. don't know what to replace with.
  98             $icon = "<img src=\"" . $OUTPUT->pix_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
  99             $strmodulename = $icon.' '.get_string('modulename', $module->name);
 100             $missing = false;
 101         }
 102
 103         $uninstall = '';
 104         if ($uninstallurl = plugin_manager::instance()->get_uninstall_url('mod_'.$module->name)) {
 105             $uninstall = html_writer::link($uninstallurl, $struninstall);
 106         }
 107
 108         if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
 109                 file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
 110             $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
 111         } else {
 112             $settings = "";
 113         }
 114
 115         try {
 116             $count = $DB->count_records_select($module->name, "course<>0");
 117         } catch (dml_exception $e) {
 118             $count = -1;
 119         }
 120         if ($count>0) {
 121             $countlink = "<a href=\"{$CFG->wwwroot}/course/search.php?modulelist=$module->name" .
 122                 "&amp;sesskey=".sesskey()."\" title=\"$strshowmodulecourse\">$count</a>";
 123         } else if ($count < 0) {
 124             $countlink = get_string('error');
 125         } else {
 126             $countlink = "$count";
 127         }
 128
 129         if ($missing) {
 130             $visible = '';
 131             $class   = '';
 132         } else if ($module->visible) {
 133             $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
 134                        "<img src=\"" . $OUTPUT->pix_url('t/hide') . "\" class=\"iconsmall\" alt=\"$strhide\" /></a>";
 135             $class   = '';
 136         } else {
 137             $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
 138                        "<img src=\"" . $OUTPUT->pix_url('t/show') . "\" class=\"iconsmall\" alt=\"$strshow\" /></a>";
 139             $class =   ' class="dimmed_text"';
 140         }
 141         if ($module->name == "forum") {
 142             $uninstall = "";
 143             $visible = "";
 144             $class = "";
 145         }
 146
 147
 148         $table->add_data(array(
 149             '<span'.$class.'>'.$strmodulename.'</span>',
 150             $countlink,
 151             '<span'.$class.'>'.$module->version.'</span>',
 152             $visible,
 153             $uninstall,
 154             $settings
 155         ));
 156     }
 157
 158     $table->print_html();
 159
 160     echo $OUTPUT->footer();
 161
 162