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     }
  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