Version 4.3.0

applications/cms/hooks/Forum.php

@@ -0,0 +1,49 @@
+//<?php
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	exit;
+}
+
+class cms_hook_Forum extends _HOOK_CLASS_
+{
+
+
+	/**
+	 * [Node] Get buttons to display in tree
+	 *
+	 * @param	string	$url		Base URL
+	 * @param	bool	$subnode	Is this a subnode?
+	 * @return	array
+	 */
+	public function getButtons( $url, $subnode=FALSE )
+	{
+		$buttons = parent::getButtons( $url, $subnode );
+
+		if ( isset( $buttons['delete'] ) AND $this->isUsedByCms() )
+		{
+			unset( $buttons['delete']['data'] );
+		}
+
+		return $buttons;
+	}
+
+	/**
+	 * Is this Forum used by any cms category for record/comment topics?
+	 *
+	@return bool|\IPS\cms\Databases
+	 */
+	public function isUsedByCms()
+	{
+		foreach ( \IPS\cms\Databases::databases() as $database )
+		{
+			if ( $database->forum_record and $database->forum_forum and $database->forum_forum == $this->id )
+			{
+				return $database;
+			}
+		}
+		return FALSE;
+	}
+
+}