improve calendar features

syntax/calendarsync.php

@@ -0,0 +1,79 @@
+<?php
+
+use dokuwiki\Extension\SyntaxPlugin;
+
+require_once(__DIR__ . '/../autoload.php');
+
+/**
+ * luxtools Plugin: Calendar sync button syntax.
+ *
+ * Renders a manual calendar sync button on any wiki page.
+ * Only visible to admins. The actual sync is handled by the
+ * existing AJAX endpoint (luxtools_calendar_sync).
+ *
+ * Syntax:
+ * - {{calendar_sync>}}
+ */
+class syntax_plugin_luxtools_calendarsync extends SyntaxPlugin
+{
+    /** @inheritdoc */
+    public function getType()
+    {
+        return 'substition';
+    }
+
+    /** @inheritdoc */
+    public function getPType()
+    {
+        return 'block';
+    }
+
+    /** @inheritdoc */
+    public function getSort()
+    {
+        return 225;
+    }
+
+    /** @inheritdoc */
+    public function connectTo($mode)
+    {
+        $this->Lexer->addSpecialPattern('\{\{calendar_sync>\}\}', $mode, 'plugin_luxtools_calendarsync');
+    }
+
+    /** @inheritdoc */
+    public function handle($match, $state, $pos, Doku_Handler $handler)
+    {
+        return [];
+    }
+
+    /** @inheritdoc */
+    public function render($format, Doku_Renderer $renderer, $data)
+    {
+        if ($data === false || !is_array($data)) return false;
+        if ($format !== 'xhtml') return false;
+        if (!($renderer instanceof Doku_Renderer_xhtml)) return false;
+
+        $renderer->nocache();
+
+        // Only render for authenticated users
+        if (empty($_SERVER['REMOTE_USER'])) {
+            return true;
+        }
+
+        $ajaxUrl = defined('DOKU_BASE') ? (string)DOKU_BASE . 'lib/exe/ajax.php' : 'lib/exe/ajax.php';
+        $sectok = function_exists('getSecurityToken') ? getSecurityToken() : '';
+
+        $buttonLabel = (string)$this->getLang('calendar_sync_button');
+        if ($buttonLabel === '') $buttonLabel = 'Sync Calendars';
+
+        $renderer->doc .= '<div class="luxtools-plugin luxtools-calendar-sync-widget">';
+        $renderer->doc .= '<button type="button" class="button luxtools-calendar-sync-btn"'
+            . ' data-luxtools-ajax-url="' . hsc($ajaxUrl) . '"'
+            . ' data-luxtools-sectok="' . hsc($sectok) . '"'
+            . '>' . hsc($buttonLabel) . '</button>';
+        $renderer->doc .= '<span class="luxtools-calendar-sync-status"></span>';
+        $renderer->doc .= '</div>';
+
+        return true;
+    }
+}