FEATURE: prepare class structure for menu widget.

app/Widgets/Contracts/MenuExtensionHandler.php

@@ -0,0 +1,7 @@
+<?php
+namespace App\Widgets\Contracts;
+
+interface MenuExtensionHandler {
+
+    public static function getPossibleValues();
+}

app/Widgets/Menu/Extensions/URL.php

@@ -0,0 +1,11 @@
+<?php
+namespace App\Widgets\Menu\Extensions;
+
+use App\Widgets\Contracts\MenuExtensionHandler;
+
+class URL implements MenuExtensionHandler {
+    public static function getPossibleValues()
+    {
+        // TODO: Implement getPossibleValues() method.
+    }
+}

app/Widgets/Menu/Menu.php

@@ -0,0 +1,68 @@
+<?php
+namespace App\Widgets\Menu;
+
+use App\Http\Requests\Request;
+use App\Widgets\Contracts\WidgetRenderer;
+use App\Widgets\Widget;
+
+class Menu extends Widget
+{
+    /**
+     * Name getter
+     *
+     * @return string
+     */
+    public static function getName()
+    {
+        return 'widgets/menu.name';
+    }
+
+    /**
+     * Getter for description
+     *
+     * @return string
+     */
+    public static function getDescription()
+    {
+        return 'widgets/menu.description';
+    }
+
+    /**
+     * Getter for presenter/renderer of this widget
+     *
+     * @return WidgetRenderer
+     */
+    public static function getPresenter()
+    {
+        return Presenters\Menu::class;
+    }
+
+    /**
+     * @param \App\Models\Widget $widget
+     * @param Request            $request
+     *
+     * @return mixed
+     */
+    public static function save(\App\Models\Widget $widget, Request $request)
+    {
+        // TODO: Implement save() method.
+    }
+
+    /**
+     * Function for installing given widget
+     *
+     * @return mixed
+     */
+    public static function install()
+    {
+        // TODO: Implement install() method.
+    }
+
+    /**
+     * Function for uninstalling widget
+     */
+    public static function uninstall()
+    {
+        // TODO: Implement uninstall() method.
+    }
+}

app/Widgets/Menu/Presenters/Menu.php

@@ -0,0 +1,47 @@
+<?php
+namespace App\Widgets\Menu\Presenters;
+
+use App\Models\Widget;
+use App\Models\WidgetType;
+use App\Widgets\Contracts\WidgetRenderer;
+
+class Menu implements WidgetRenderer
+{
+    /**
+     * Method used for displaying widget.
+     *
+     * This method renders some HTML code for displaying.
+     *
+     * @param object $settings
+     *
+     * @return mixed
+     */
+    public static function render($settings)
+    {
+        // TODO: Implement render() method.
+    }
+
+    /**
+     * Display form for creating new instance of widget
+     *
+     * @param WidgetType $type
+     *
+     * @return mixed
+     */
+    public static function renderAddForm(WidgetType $type)
+    {
+        // TODO: Implement renderAddForm() method.
+    }
+
+    /**
+     * Display form for editing already existing widget
+     *
+     * @param Widget $widget
+     *
+     * @return mixed
+     */
+    public static function renderEditForm(Widget $widget)
+    {
+        // TODO: Implement renderEditForm() method.
+    }
+}