[FEATURE] tel link viewhelper

Classes/ViewHelpers/Link/TelViewHelper.php

@@ -0,0 +1,70 @@
+<?php
+namespace T3kit\themeT3kit\ViewHelpers\Link;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+/**
+ * Tel link view helper.
+ * Generates an tel link
+ *
+ * = Examples
+ *
+ * <code title="basic tel link">
+ * {namespace t3kit=T3kit\themeT3kit\ViewHelpers}
+ * <t3kit:link.tel tel="+46 (0) 40-01 ma 23 45 67" />
+ * </code>
+ * <output>
+ * <a href="tel:+464001234567">+46 (0) 40-01 ma 23 45 67</a>
+ * </output>
+ */
+class TelViewHelper extends \TYPO3\CMS\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper
+{
+    /**
+     * @var string
+     */
+    protected $tagName = 'a';
+
+    /**
+     * Arguments initialization
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerArgument('tel', 'string', 'The telephone number to be turned into a link', true);
+        $this->registerUniversalTagAttributes();
+        $this->registerTagAttribute('name', 'string', 'Specifies the name of an anchor');
+        $this->registerTagAttribute('target', 'string', 'Specifies where to open the linked document');
+    }
+
+    /**
+     * @return string Rendered tel link
+     */
+    public function render()
+    {
+        $tel = $this->arguments['tel'];
+
+        $linkHref = 'tel:' . preg_replace('/\(0\)|\s|[^\d+]/', '', $tel);
+        $linkText = htmlspecialchars($tel);
+        $escapeSpecialCharacters = true;
+
+        $tagContent = $this->renderChildren();
+        if ($tagContent !== null) {
+            $linkText = $tagContent;
+        }
+        $this->tag->setContent($linkText);
+        $this->tag->addAttribute('href', $linkHref, $escapeSpecialCharacters);
+        $this->tag->forceClosingTag(true);
+        return $this->tag->render();
+    }
+}