Add UIBlocks to twig (WIP)

sources/application/TwigBase/UI/UIBlockHelper.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * @copyright   Copyright (C) 2010-2021 Combodo SARL
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+
+namespace Combodo\iTop\Application\TwigBase\UI;
+
+
+class UIBlockHelper
+{
+	public static function PushParentBlock($sBlockVarName)
+	{
+		return "\$context['UIBlockParent'][] = \${$sBlockVarName};\n";
+	}
+
+	public static function PopParentBlock()
+	{
+		return "array_pop(\$context['UIBlockParent']);\n";
+	}
+
+	public static function GetParentBlock()
+	{
+		return "end(\$context['UIBlockParent'])";
+	}
+
+	public static function AddToParentBlock($sBlockVarName)
+	{
+		return "end(\$context['UIBlockParent'])->AddSubBlock(\${$sBlockVarName});\n";
+	}
+
+	public static function GetBlockVarName($sPrefix)
+	{
+		return str_replace('.', '', uniqid($sPrefix.'_', true));
+	}
+}