[TASK] Adding Viewhelper for lang labels in javascript. Fixed js bug

Classes/ViewHelpers/InlineLanguageLabelsViewHelper.php

+<?php
+namespace SGalinski\SgMail\ViewHelpers;
+/***************************************************************
+ *  Copyright notice
+ *
+ *  (c) sgalinski Internet Services (https://www.sgalinski.de)
+ *
+ *  All rights reserved
+ *
+ *  This script is part of the SG project. The SG project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
+/**
+ * View helper to render language labels to
+ * json array to be used in js applications.
+ *
+ * Renders to SG.lang.'extension name' object
+ *
+ * Example:
+ * {namespace rs=SGalinski\RsEvents\ViewHelpers}
+ * <rs:inlineLanguageLabels labels="label01,label02" />
+ */
+class InlineLanguageLabelsViewHelper extends AbstractViewHelper {
+	/**
+	 * Renders the required javascript to make the language labels available
+	 *
+	 * @param string $labels Comma separated list of label keys to include
+	 * @param boolean $htmlEscape
+	 * @return string
+	 */
+	public function render($labels = '', $htmlEscape = FALSE) {
+		$extensionName = $this->controllerContext->getRequest()->getControllerExtensionName();
+		$labels = GeneralUtility::trimExplode(',', $labels, TRUE);
+		$languageArray = array();
+		foreach ($labels as $key) {
+			$value = LocalizationUtility::translate($key, $extensionName);
+			$languageArray[$key] = ($htmlEscape ? htmlentities($value) : $value);
+		}
+		return '
+			<script type="text/javascript">
+			var SG = SG || {};
+			SG.lang = SG.lang || {};
+			SG.lang.' . $extensionName . ' = SG.lang.' . $extensionName . ' || {};
+			var languageLabels = ' . json_encode($languageArray) . ';
+			for (label in languageLabels) {
+				SG.lang.' . $extensionName . '[label] = languageLabels[label];
+			}
+			</script>
+		';
+	}
+}
+?>
\ No newline at end of file

Resources/Private/Language/de.locallang.xlf

@@ -29,6 +29,10 @@
 			<source>Text</source>
 			<target>Text</target>
 		</trans-unit>
+		<trans-unit id="backend.delete_template" approved="yes">
+			<source>Do you really want to reset this Template ?</source>
+			<target>Möchten Sie wirklich den Ursprungszustand wiederherstellen ?</target>
+		</trans-unit>
 		<trans-unit id="backend.description" approved="yes">
 			<source>Description</source>
 			<target>Beschreibung</target>

Resources/Private/Language/locallang.xlf

@@ -24,6 +24,9 @@
 		<trans-unit id="backend.content">
 			<source>Text</source>
 		</trans-unit>
+		<trans-unit id="backend.delete_template">
+			<source>Do you really want to reset this Template ?</source>
+		</trans-unit>
 		<trans-unit id="backend.description">
 			<source>Description</source>
 		</trans-unit>

Resources/Private/Layouts/Default.html

 {namespace sgm=SGalinski\SgMail\ViewHelpers}
 <f:be.container enableClickMenu="FALSE" loadExtJs="FALSE" includeCssFiles="{0: '{f:uri.resource(path: \'StyleSheets/backend.css\')}'}">
 	<sgm:addJavaScriptFile javaScriptFile="{f:uri.resource(path: 'Scripts/Template.js')}" />
+	<sgm:addJavaScriptFile javaScriptFile="{f:uri.resource(path: 'Scripts/Backend.js')}" />
+	<sgm:inlineLanguageLabels labels="backend.delete_template" />
 	<div class="module" data-module-id="" data-module-name="">
 		<div class="module-docheader t3js-module-docheader">
 			<div class="module-docheader-bar module-docheader-bar-navigation t3js-module-docheader-bar t3js-module-docheader-bar-navigation">

Resources/Public/Scripts/Template.js

 (function($) {
-	$('.reset-btn').on('click', function(_event) {
+	function resetTemplateListener(_event) {
 		_event.preventDefault();
-		if (window.confirm('Reset ?')) {
+
+		var confirm = SG.lang.SgMail['backend.delete_template'];
+		if (window.confirm(confirm)) {
 			window.location = $(_event.currentTarget).attr('href');
 		}
+	}
+
+	$(document).ready(function() {
+		$('.reset-btn').on('click', resetTemplateListener);
 	});
 })
 (TYPO3.jQuery);