Added editing function for pages (using tinymce).

Added editing pages for footer, banner, aside.
Added page overview.
Added public page.
Added settings page.
Added generator for embed pseudocodes.

edit/pages.php

@@ -1,9 +1,68 @@
 <?PHP
 /**
- * This page provides an overview over all static pages in the system.
+ * Start page of the backend.
+ * Offers a dashboard.
  *
  * @author Joshua Ramon Enslin <joshua@jrenslin.de>
  */
 
+/*
+ * Require files and ensure environment.
+ */
+
+require_once __DIR__ . "/inc/functions.php";
+
+ensureEnvironment();            // Ensure existence of system files.
+$translations = loadLanguage(); // Load translations.
+ensureBackendEnv();             // Ensure session is started etc.
+$pages = loadPages();           // Load overview of pages.
+
+/*
+ * Load data.
+ */
+
+/*
+ * Output
+ */
+
+echo printBackendHead($translations['pagesOverview'], $translations['pagesOverview'], $settings['logo']);
+echo printBackendHeader($translations['pagesOverview'], $translations['helpPagesOverview']);
+
+echo '
+<div id="mainWrapper">
+';
+
+echo printBackendNav($translations);
+
+echo '
+    <main id="indentedList" class="noPadding">
+';
+
+echo buildPageOrder(
+    $pages,
+    function() {
+        return "<ul>";
+    },
+    function() {
+        return "</ul>";
+    },
+    function($inputs, $toAdd) {
+        $output = "
+        <li";
+        if (!$inputs['public']) $output .= " class='notPublic'";
+        $output .= ">
+            <a href='page.php?id=" . $inputs['id'] . "'>" . $inputs['title'] . "</a>
+            $toAdd
+        </li>
+        ";
+        return $output;
+    }
+);
+
+echo '
+    </main>
+</div>';
+
+echo printBackendEnd();
 
 ?>