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     $delete  = optional_param('delete', '', PARAM_PLUGIN);
  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     $strshowmodulecourse = get_string('showmodulecourse');
  31
  32     // Purge all caches related to activity modules administration.
  33     cache::make('core', 'plugininfo_mod')->purge();
  34
  35 /// If data submitted, then process and store.
  36
  37     if (!empty($hide) and confirm_sesskey()) {
  38         if (!$module = $DB->get_record("modules", array("name"=>$hide))) {
  39             print_error('moduledoesnotexist', 'error');
  40         }
  41         $DB->set_field("modules", "visible", "0", array("id"=>$module->id)); // Hide main module
  42         // Remember the visibility status in visibleold
  43         // and hide...
  44         $sql = "UPDATE {course_modules}
  45                    SET visibleold=visible, visible=0
  46                  WHERE module=?";
  47         $DB->execute($sql, array($module->id));
  48         // clear the course modinfo cache for courses
  49         // where we just deleted something
  50         $sql = "UPDATE {course}
  51                    SET modinfo=''
  52                  WHERE id IN (SELECT DISTINCT course
  53                                 FROM {course_modules}
  54                                WHERE visibleold=1 AND module=?)";
  55         $DB->execute($sql, array($module->id));
  56         admin_get_root(true, false);  // settings not required - only pages
  57     }
  58
  59     if (!empty($show) and confirm_sesskey()) {
  60         if (!$module = $DB->get_record("modules", array("name"=>$show))) {
  61             print_error('moduledoesnotexist', 'error');
  62         }
  63         $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
  64         $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
  65         // clear the course modinfo cache for courses
  66         // where we just made something visible
  67         $sql = "UPDATE {course}
  68                    SET modinfo = ''
  69                  WHERE id IN (SELECT DISTINCT course
  70                                 FROM {course_modules}
  71                                WHERE visible=1 AND module=?)";
  72         $DB->execute($sql, array($module->id));
  73         admin_get_root(true, false);  // settings not required - only pages
  74     }
  75
  76     if (!empty($delete) and confirm_sesskey()) {
  77         echo $OUTPUT->header();
  78         echo $OUTPUT->heading($stractivities);
  79
  80         if (get_string_manager()->string_exists('modulename', $delete)) {
  81             $strmodulename = get_string('modulename', $delete);
  82         } else {
  83             $strmodulename = $delete;
  84         }
  85
  86         if (!$confirm) {
  87             echo $OUTPUT->confirm(get_string("moduledeleteconfirm", "", $strmodulename), "modules.php?delete=$delete&confirm=1", "modules.php");
  88             echo $OUTPUT->footer();
  89             exit;
  90
  91         } else {  // Delete everything!!
  92
  93             if ($delete == "forum") {
  94                 print_error("cannotdeleteforummodule", 'forum');
  95             }
  96
  97             uninstall_plugin('mod', $delete);
  98             $a = new stdClass();
  99             $a->module = $strmodulename;
 100             $a->directory = "$CFG->dirroot/mod/$delete";
 101             echo $OUTPUT->notification(get_string("moduledeletefiles", "", $a), 'notifysuccess');
 102             echo $OUTPUT->continue_button("modules.php");
 103             echo $OUTPUT->footer();
 104             exit;
 105         }
 106     }
 107
 108     echo $OUTPUT->header();
 109     echo $OUTPUT->heading($stractivities);
 110
 111 /// Get and sort the existing modules
 112
 113     if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
 114         print_error('moduledoesnotexist', 'error');
 115     }
 116
 117 /// Print the table of all modules
 118     // construct the flexible table ready to display
 119     $table = new flexible_table(MODULE_TABLE);
 120     $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'delete', 'settings'));
 121     $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strdelete, $strsettings));
 122     $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
 123     $table->set_attribute('id', 'modules');
 124     $table->set_attribute('class', 'generaltable');
 125     $table->setup();
 126
 127     foreach ($modules as $module) {
 128
 129         if (!file_exists("$CFG->dirroot/mod/$module->name/lib.php")) {
 130             $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
 131             $missing = true;
 132         } else {
 133             // took out hspace="\10\", because it does not validate. don't know what to replace with.
 134             $icon = "<img src=\"" . $OUTPUT->pix_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
 135             $strmodulename = $icon.' '.get_string('modulename', $module->name);
 136             $missing = false;
 137         }
 138
 139         $delete = "<a href=\"modules.php?delete=$module->name&amp;sesskey=".sesskey()."\">$strdelete</a>";
 140
 141         if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
 142                 file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
 143             $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
 144         } else {
 145             $settings = "";
 146         }
 147
 148         try {
 149             $count = $DB->count_records_select($module->name, "course<>0");
 150         } catch (dml_exception $e) {
 151             $count = -1;
 152         }
 153         if ($count>0) {
 154             $countlink = "<a href=\"{$CFG->wwwroot}/course/search.php?modulelist=$module->name" .
 155                 "&amp;sesskey=".sesskey()."\" title=\"$strshowmodulecourse\">$count</a>";
 156         } else if ($count < 0) {
 157             $countlink = get_string('error');
 158         } else {
 159             $countlink = "$count";
 160         }
 161
 162         if ($missing) {
 163             $visible = '';
 164             $class   = '';
 165         } else if ($module->visible) {
 166             $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
 167                        "<img src=\"" . $OUTPUT->pix_url('t/hide') . "\" class=\"iconsmall\" alt=\"$strhide\" /></a>";
 168             $class   = '';
 169         } else {
 170             $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
 171                        "<img src=\"" . $OUTPUT->pix_url('t/show') . "\" class=\"iconsmall\" alt=\"$strshow\" /></a>";
 172             $class =   ' class="dimmed_text"';
 173         }
 174         if ($module->name == "forum") {
 175             $delete = "";
 176             $visible = "";
 177             $class = "";
 178         }
 179
 180
 181         $table->add_data(array(
 182             '<span'.$class.'>'.$strmodulename.'</span>',
 183             $countlink,
 184             '<span'.$class.'>'.$module->version.'</span>',
 185             $visible,
 186             $delete,
 187             $settings
 188         ));
 189     }
 190
 191     $table->print_html();
 192
 193     echo $OUTPUT->footer();
 194
 195