current code from svn, revision 62608

1 files changed, 117 insertions, 0 deletions

diff --git a/lib/modules/LtiToolModule.class.php b/lib/modules/LtiToolModule.class.php
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+++ b/lib/modules/LtiToolModule.class.php
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+<?php
+/**
+ * LtiToolModule.class.php - LTI consumer API for Stud.IP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * @author      Elmar Ludwig
+ * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
+ */
+
+class LtiToolModule extends CorePlugin implements StudipModule, SystemPlugin, PrivacyPlugin
+{
+    /**
+     * Initialize the LtiToolModule.
+     */
+    public function __construct()
+    {
+        parent::__construct();
+
+        if ($GLOBALS['perm']->have_perm('root')) {
+            Navigation::addItem('/admin/config/lti', new Navigation(_('LTI-Tools'), 'dispatch.php/admin/lti'));
+        }
+
+        NotificationCenter::on('UserDidDelete', function ($event, $user) {
+            LtiGrade::deleteBySQL('user_id = ?', [$user->id]);
+        });
+        NotificationCenter::on('CourseDidDelete', function ($event, $course) {
+            LtiData::deleteBySQL('course_id = ?', [$course->id]);
+        });
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getIconNavigation($course_id, $last_visit, $user_id)
+    {
+        $title = CourseConfig::get($course_id)->LTI_TOOL_TITLE;
+        $changed = LtiData::countBySQL('course_id = ? AND chdate > ?', [$course_id, $last_visit]);
+
+        $icon = $changed
+              ? Icon::create('link-extern+new', Icon::ROLE_NEW)
+              : Icon::create('link-extern', Icon::ROLE_INACTIVE);
+
+        $navigation = new Navigation($title, 'dispatch.php/course/lti');
+        $navigation->setImage($icon, ['title' => $title]);
+
+        return $navigation;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTabNavigation($course_id)
+    {
+        $title = CourseConfig::get($course_id)->LTI_TOOL_TITLE;
+        $grades = LtiData::countBySQL('course_id = ?', [$course_id]);
+
+        $navigation = new Navigation($title);
+        $navigation->setImage(Icon::create('link-extern', Icon::ROLE_INFO_ALT));
+        $navigation->setActiveImage(Icon::create('link-extern', Icon::ROLE_INFO));
+        $navigation->addSubNavigation('index', new Navigation($title, 'dispatch.php/course/lti'));
+
+        if ($grades) {
+            $navigation->addSubNavigation('grades', new Navigation(_('Ergebnisse'), 'dispatch.php/course/lti/grades'));
+        }
+
+        if ($GLOBALS['user']->id !== 'nobody') {
+            return ['lti' => $navigation];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getInfoTemplate($course_id)
+    {
+        return null;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function exportUserData(StoredUserData $storage)
+    {
+        $db = DBManager::get();
+
+        $data = $db->fetchAll('SELECT * FROM lti_grade WHERE user_id = ?', [$storage->user_id]);
+        $storage->addTabularData(_('LTI-Ergebnisse'), 'lti_grade', $data);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getMetadata()
+    {
+        return [
+            'summary' => _('Verlinkung auf Inhalte in externen Anwendungen (LTI-Tool)'),
+            'description' => _('Dieses Modul bietet eine Möglichkeit zur Einbindung von externen Tools, '.
+                               'sofern diese den LTI-Standard unterstützen. Ähnlich wie bei der Seite '.
+                               '"Informationen" kann ein Titel sowie ein freier Text angegeben werden, der '.
+                               'den Nutzern zur Erläuterung angezeigt wird. Zur Einbindung von Inhalten aus '.
+                               'Fremdsystemen wird die LTI-Schnittstelle in der Version 1.x unterstützt.'),
+            'category' => _('Kommunikation und Zusammenarbeit'),
+            'keywords' => _('Einbindung von LTI-Tools (Version 1.x)'),
+            'icon' => Icon::create('link-extern', Icon::ROLE_INFO),
+            'screenshots' => [
+                'path' => 'assets/images/plus/screenshots/Lti',
+                'pictures' => [
+                    ['source' => 'Lti_tool_demo.jpg', 'title' => 'Beispiel für Wordpress-Einbindung']
+                ]
+            ]
+        ];
+    }
+}