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