Introduce new menu classes and navigation templates

models/MainMenu.php

@@ -0,0 +1,41 @@
+<?php
+/*****************************************************************************
+ * MainMenu.php
+ * Contains the main navigation logic.
+ *
+ * Global Data Lab code (C) Radboud University Nijmegen
+ * Programming (C) Aaron van Geffen, 2015-2022
+ *****************************************************************************/
+
+class MainMenu extends Menu
+{
+	public function __construct()
+	{
+		$this->items = [
+			[
+				'uri' => '/',
+				'label' => 'Albums',
+			],
+			[
+				'uri' => '/people/',
+				'label' => 'People',
+			],
+			[
+				'uri' => '/timeline/',
+				'label' => 'Timeline',
+			],
+		];
+
+		foreach ($this->items as $i => $item)
+		{
+			if (isset($item['uri']))
+				$this->items[$i]['url'] = BASEURL . $item['uri'];
+
+			if (!isset($item['subs']))
+				continue;
+
+			foreach ($item['subs'] as $j => $subitem)
+				$this->items[$i]['subs'][$j]['url'] = BASEURL . $subitem['uri'];
+		}
+	}
+}