From eefa64ecb41250803e1b7ee9a81511963dd2e997 Mon Sep 17 00:00:00 2001
From: vv221 <vv221@dotslashplay.it>
Date: Fri, 3 Apr 2020 01:15:41 +0200
Subject: [PATCH] Generate new menu items from a hardcoded list of children

---
 MenuItem.php | 18 ++++++++++++++++++
 action.php   | 32 +++++++++++++++++++++++++++++---
 2 files changed, 47 insertions(+), 3 deletions(-)
 create mode 100644 MenuItem.php

diff --git a/MenuItem.php b/MenuItem.php
new file mode 100644
index 0000000..1d48e55
--- /dev/null
+++ b/MenuItem.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace dokuwiki\plugin\childrenpages;
+
+use dokuwiki\Menu\Item\AbstractItem;
+
+class MenuItem extends AbstractItem {
+	/**
+	 * Generate a menu item from a passed string
+	 *
+	 * @param string $type
+	 */
+	public function __construct(string $type) {
+		$this->type = $type;
+		parent::__construct();
+		trigger_error("generating a menu item for type \"$this->type\" not implemented in ".get_class($this), E_USER_WARNING);
+	}
+}
diff --git a/action.php b/action.php
index 2d54d5b..202bff9 100644
--- a/action.php
+++ b/action.php
@@ -11,6 +11,8 @@ if ( ! defined('DOKU_INC') ) {
 	die();
 }
 
+use dokuwiki\plugin\childrenpages\MenuItem;
+
 class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 	/**
 	 * Registers a callback function for a given event
@@ -18,7 +20,7 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 	 * @param Doku_Event_Handler $controller
 	 */
 	public function register(Doku_Event_Handler $controller) : void {
-		$controller->register_hook('MENU_ITEMS_ASSEMBLY', 'AFTER', $this, 'addMenuItem');
+		$controller->register_hook('MENU_ITEMS_ASSEMBLY', 'AFTER', $this, 'addMenuItems');
 	}
 
 	/**
@@ -26,7 +28,7 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 	 *
 	 * @param Doku_Event $event
 	 */
-	public function addMenuItem(Doku_Event $event) : void {
+	public function addMenuItems(Doku_Event $event) : void {
 		global $INFO;
 		// Check that this method has been called in the expected context
 		if ( $event->name !== 'MENU_ITEMS_ASSEMBLY' ) {
@@ -43,6 +45,30 @@ class action_plugin_childrenpages extends DokuWiki_Action_Plugin {
 		if ( ! empty($INFO['namespace']) ) {
 			return;
 		}
-		trigger_error('addMenuItem() not implemented in '.get_class($this), E_USER_WARNING);
+		// Get the list of children pages
+		$children = [ 'animation', 'gameplay', 'dev', 'talk' ];
+		foreach ( $children as $child ) {
+			$this->addMenuItem($event, $child);
+		}
+	}
+
+	/**
+	 * Add a new item to the page menu
+	 *
+	 * @param Doku_Event $event
+	 * @param string     $child
+	 */
+	protected function addMenuItem(Doku_Event $event, string $child) {
+		$item = $this->generateMenuItem($child);
+		$event->data['items'][] = $item;
+	}
+
+	/**
+	 * Generate a new menu item
+	 *
+	 * @param string $type
+	 */
+	protected function generateMenuItem(string $type) {
+		return new MenuItem($type);
 	}
 }