From 638ceb9350cd4c6567badca4d9620bb062b959db Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sat, 12 Dec 2020 16:25:09 +0100
Subject: [PATCH] Add `LanguageItemFormNode`

Close #3753
---
 .../builder/LanguageItemFormNode.class.php    | 81 +++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/form/builder/LanguageItemFormNode.class.php

diff --git a/wcfsetup/install/files/lib/system/form/builder/LanguageItemFormNode.class.php b/wcfsetup/install/files/lib/system/form/builder/LanguageItemFormNode.class.php
new file mode 100644
index 0000000000..ccc74f5f15
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/form/builder/LanguageItemFormNode.class.php
@@ -0,0 +1,81 @@
+<?php
+namespace wcf\system\form\builder;
+use wcf\system\WCF;
+
+/**
+ * Form node that shows a language item without any surrounding HTML code.
+ * 
+ * @author      Matthias Schmidt
+ * @copyright   2001-2020 WoltLab GmbH
+ * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package     WoltLabSuite\Core\System\Form\Builder
+ * @since       5.4
+ */
+class LanguageItemFormNode implements IFormChildNode {
+	use TFormChildNode;
+	use TFormNode;
+	
+	/**
+	 * language item shown in the form node
+	 * @var	null|string
+	 */
+	protected $languageItem;
+	
+	/**
+	 * template variables passed to the language item
+	 * @var array
+	 */
+	protected $variables = [];
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function getHtml() {
+		return WCF::getLanguage()->getDynamicVariable($this->getLanguageItem(), $this->getVariables());
+	}
+	
+	/**
+	 * Returns the name of the language item shown in the form node.
+	 * 
+	 * @throws      \BadMethodCallException         if language iten has not been set yet
+	 */
+	public function getLanguageItem(): string {
+		if ($this->languageItem === null) {
+			throw new \BadMethodCallException("Language item has not been set yet.");
+		}
+		
+		return $this->languageItem;
+	}
+	
+	/**
+	 * Returns the template variables passed to the language item.
+	 */
+	public function getVariables(): array {
+		return $this->variables;
+	}
+	
+	/**
+	 * Sets the language item shown in the form node and returns this form node.
+	 */
+	public function languageItem(string $languageItem): self {
+		$this->languageItem = $languageItem;
+		
+		return $this;
+	}
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function validate() {
+		// does nothing
+	}
+	
+	/**
+	 * Sets the template variables passed to the language item and returns this form node.
+	 */
+	public function variables(array $variables): self {
+		$this->variables = $variables;
+		
+		return $this;
+	}
+}
-- 
2.20.1