Add cache inclalidation for Chronological

src/MenuItem/InvalidateCache.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace dokuwiki\plugin\luxtools\MenuItem;
+
+use dokuwiki\Menu\Item\AbstractItem;
+
+class InvalidateCache extends AbstractItem
+{
+    /**
+     * @param string $label
+     * @param string $title
+     */
+    public function __construct(string $label, string $title)
+    {
+        global $ID;
+
+        $this->id = is_string($ID) ? $ID : '';
+        $this->type = 'show';
+        $this->method = 'get';
+        $this->params = [
+            'do' => 'show',
+            'luxtools_invalidate_cache' => 1,
+        ];
+        $this->nofollow = true;
+        $this->label = $label;
+        $this->title = $title;
+        $this->svg = DOKU_INC . 'lib/images/menu/calendar-clock.svg';
+
+        if (function_exists('getSecurityToken')) {
+            $this->params['sectok'] = getSecurityToken();
+        }
+    }
+
+    /**
+     * Keep a distinct class hook for template styling.
+     *
+     * @return string
+     */
+    public function getType()
+    {
+        return 'luxtools-invalidate-cache';
+    }
+}