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_SAFEDIR);
  15     $hide    = optional_param('hide', '', PARAM_SAFEDIR);
  16     $delete  = optional_param('delete', '', PARAM_SAFEDIR);
  17     $confirm = optional_param('confirm', '', PARAM_BOOL);
  18
  19
  20 /// Print headings
  21
  22     $stractivities = get_string("activities");
  23     $strdelete = get_string("delete");
  24     $strversion = get_string("version");
  25     $strhide = get_string("hide");
  26     $strshow = get_string("show");
  27     $strsettings = get_string("settings");
  28     $stractivities = get_string("activities");
  29     $stractivitymodule = get_string("activitymodule");
  30     $strshowmodulecourse = get_string('showmodulecourse');
  31
  32 /// If data submitted, then process and store.
  33
  34     if (!empty($hide) and confirm_sesskey()) {
  35         if (!$module = $DB->get_record("modules", array("name"=>$hide))) {
  36             print_error('moduledoesnotexist', 'error');
  37         }
  38         $DB->set_field("modules", "visible", "0", array("id"=>$module->id)); // Hide main module
  39         // Remember the visibility status in visibleold
  40         // and hide...
  41         $sql = "UPDATE {course_modules}
  42                    SET visibleold=visible, visible=0
  43                  WHERE module=?";
  44         $DB->execute($sql, array($module->id));
  45         // clear the course modinfo cache for courses
  46         // where we just deleted something
  47         $sql = "UPDATE {course}
  48                    SET modinfo=''
  49                  WHERE id IN (SELECT DISTINCT course
  50                                 FROM {course_modules}
  51                                WHERE visibleold=1 AND module=?)";
  52         $DB->execute($sql, 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         // clear the course modinfo cache for courses
  63         // where we just made something visible
  64         $sql = "UPDATE {course}
  65                    SET modinfo = ''
  66                  WHERE id IN (SELECT DISTINCT course
  67                                 FROM {course_modules}
  68                                WHERE visible=1 AND module=?)";
  69         $DB->execute($sql, array($module->id));
  70         admin_get_root(true, false);  // settings not required - only pages
  71     }
  72
  73     if (!empty($delete) and confirm_sesskey()) {
  74         echo $OUTPUT->header();
  75         echo $OUTPUT->heading($stractivities);
  76
  77         if (get_string_manager()->string_exists('modulename', $delete)) {
  78             $strmodulename = get_string('modulename', $delete);
  79         } else {
  80             $strmodulename = $delete;
  81         }
  82
  83         if (!$confirm) {
  84             echo $OUTPUT->confirm(get_string("moduledeleteconfirm", "", $strmodulename), "modules.php?delete=$delete&confirm=1", "modules.php");
  85             echo $OUTPUT->footer();
  86             exit;
  87
  88         } else {  // Delete everything!!
  89
  90             if ($delete == "forum") {
  91                 print_error("cannotdeleteforummodule", 'forum');
  92             }
  93
  94             uninstall_plugin('mod', $delete);
  95             $a = new stdClass();
  96             $a->module = $strmodulename;
  97             $a->directory = "$CFG->dirroot/mod/$delete";
  98             echo $OUTPUT->notification(get_string("moduledeletefiles", "", $a), 'notifysuccess');
  99             echo $OUTPUT->continue_button("modules.php");
 100             echo $OUTPUT->footer();
 101             exit;
 102         }
 103     }
 104
 105     echo $OUTPUT->header();
 106     echo $OUTPUT->heading($stractivities);
 107
 108 /// Get and sort the existing modules
 109
 110     if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
 111         print_error('moduledoesnotexist', 'error');
 112     }
 113
 114 /// Print the table of all modules
 115     // construct the flexible table ready to display
 116     $table = new flexible_table(MODULE_TABLE);
 117     $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'delete', 'settings'));
 118     $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strdelete, $strsettings));
 119     $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
 120     $table->set_attribute('id', 'modules');
 121     $table->set_attribute('class', 'generaltable');
 122     $table->setup();
 123
 124     foreach ($modules as $module) {
 125
 126         if (!file_exists("$CFG->dirroot/mod/$module->name/lib.php")) {
 127             $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
 128             $missing = true;
 129         } else {
 130             // took out hspace="\10\", because it does not validate. don't know what to replace with.
 131             $icon = "<img src=\"" . $OUTPUT->pix_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
 132             $strmodulename = $icon.' '.get_string('modulename', $module->name);
 133             $missing = false;
 134         }
 135
 136         $delete = "<a href=\"modules.php?delete=$module->name&amp;sesskey=".sesskey()."\">$strdelete</a>";
 137
 138         if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
 139                 file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
 140             $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
 141         } else {
 142             $settings = "";
 143         }
 144
 145         try {
 146             $count = $DB->count_records_select($module->name, "course<>0");
 147         } catch (dml_exception $e) {
 148             $count = -1;
 149         }
 150         if ($count>0) {
 151             $countlink = "<a href=\"{$CFG->wwwroot}/course/search.php?modulelist=$module->name" .
 152                 "&amp;sesskey=".sesskey()."\" title=\"$strshowmodulecourse\">$count</a>";
 153         } else if ($count < 0) {
 154             $countlink = get_string('error');
 155         } else {
 156             $countlink = "$count";
 157         }
 158
 159         if ($missing) {
 160             $visible = '';
 161             $class   = '';
 162         } else if ($module->visible) {
 163             $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
 164                        "<img src=\"" . $OUTPUT->pix_url('i/hide') . "\" class=\"icon\" alt=\"$strhide\" /></a>";
 165             $class   = '';
 166         } else {
 167             $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
 168                        "<img src=\"" . $OUTPUT->pix_url('i/show') . "\" class=\"icon\" alt=\"$strshow\" /></a>";
 169             $class =   ' class="dimmed_text"';
 170         }
 171         if ($module->name == "forum") {
 172             $delete = "";
 173             $visible = "";
 174             $class = "";
 175         }
 176
 177
 178         $table->add_data(array(
 179             '<span'.$class.'>'.$strmodulename.'</span>',
 180             $countlink,
 181             '<span'.$class.'>'.$module->version.'</span>',
 182             $visible,
 183             $delete,
 184             $settings
 185         ));
 186     }
 187
 188     $table->print_html();
 189
 190     echo $OUTPUT->footer();
 191
 192