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        redirect(new moodle_url('/admin/modules.php'));
53    }
54
55    if (!empty($show) and confirm_sesskey()) {
56        if (!$module = $DB->get_record("modules", array("name"=>$show))) {
57            print_error('moduledoesnotexist', 'error');
58        }
59        $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
60        $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
61        // Increment course.cacherev for courses where we just made something visible.
62        // This will force cache rebuilding on the next request.
63        increment_revision_number('course', 'cacherev',
64                "id IN (SELECT DISTINCT course
65                                FROM {course_modules}
66                               WHERE visible=1 AND module=?)",
67                array($module->id));
68        core_plugin_manager::reset_caches();
69        admin_get_root(true, false);  // settings not required - only pages
70        redirect(new moodle_url('/admin/modules.php'));
71    }
72
73    echo $OUTPUT->header();
74    echo $OUTPUT->heading($stractivities);
75
76/// Get and sort the existing modules
77
78    if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
79        print_error('moduledoesnotexist', 'error');
80    }
81
82/// Print the table of all modules
83    // construct the flexible table ready to display
84    $table = new flexible_table(MODULE_TABLE);
85    $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'uninstall', 'settings'));
86    $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strsettings, $struninstall));
87    $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
88    $table->set_attribute('id', 'modules');
89    $table->set_attribute('class', 'admintable generaltable');
90    $table->setup();
91
92    $pluginmanager = core_plugin_manager::instance();
93
94    foreach ($modules as $module) {
95        $plugininfo = $pluginmanager->get_plugin_info('mod_'.$module->name);
96        $status = $plugininfo->get_status();
97
98        if ($status === core_plugin_manager::PLUGIN_STATUS_MISSING) {
99            $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
100            $missing = true;
101        } else {
102            // took out hspace="\10\", because it does not validate. don't know what to replace with.
103            $icon = "<img src=\"" . $OUTPUT->image_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
104            $strmodulename = $icon.' '.get_string('modulename', $module->name);
105            $missing = false;
106        }
107
108        $uninstall = '';
109        if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('mod_'.$module->name, 'manage')) {
110            $uninstall = html_writer::link($uninstallurl, $struninstall);
111        }
112
113        if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
114                file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
115            $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
116        } else {
117            $settings = "";
118        }
119
120        try {
121            $count = $DB->count_records_select($module->name, "course<>0");
122        } catch (dml_exception $e) {
123            $count = -1;
124        }
125        if ($count>0) {
126            $countlink = $OUTPUT->action_link(new moodle_url('/course/search.php', ['modulelist' => $module->name]),
127                $count, null, ['title' => $strshowmodulecourse]);
128        } else if ($count < 0) {
129            $countlink = get_string('error');
130        } else {
131            $countlink = "$count";
132        }
133
134        if ($missing) {
135            $visible = '';
136            $class   = '';
137        } else if ($module->visible) {
138            $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
139                       $OUTPUT->pix_icon('t/hide', $strhide) . '</a>';
140            $class   = '';
141        } else {
142            $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
143                       $OUTPUT->pix_icon('t/show', $strshow) . '</a>';
144            $class =   'dimmed_text';
145        }
146        if ($module->name == "forum") {
147            $uninstall = "";
148            $visible = "";
149            $class = "";
150        }
151        $version = get_config('mod_'.$module->name, 'version');
152
153        $table->add_data(array(
154            $strmodulename,
155            $countlink,
156            $version,
157            $visible,
158            $settings,
159            $uninstall,
160        ), $class);
161    }
162
163    $table->print_html();
164
165    echo $OUTPUT->footer();
166
167
168