com_mailTo (#21442)

Author: dGrammatiko

build/media/com_mailto/js/mailto-default.js

@@ -0,0 +1,63 @@
+/**
+ * @copyright   Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+((window, document, Joomla) => {
+  'use strict';
+
+  if (!Joomla || typeof Joomla.JText !== 'function') {
+    throw new Error('core.js was not properly initialised');
+  }
+
+  // Selectors used by this script
+  const formId = 'mailtoForm';
+  const closeSelector = '.close-mailto';
+
+  /**
+   * Handle the form submit event
+   * @param event
+   */
+  const handleFormSubmit = (event) => {
+    event.preventDefault();
+    const form = event.target;
+
+    // Simple form validation
+    if (form.mailto.value === '' || form.from.value === '') {
+      // @todo use the Joomla alerts here
+      alert(Joomla.JText._('COM_MAILTO_EMAIL_ERR_NOINFO'));
+      return;
+    }
+
+    form.submit();
+  };
+
+  /**
+   * Register events
+   */
+  const onClick = (event) => {
+    event.preventDefault();
+    window.close();
+  };
+
+  /**
+   * Register events
+   */
+  const registerEvents = () => {
+    // Register the submit event listener
+    document.getElementById(formId).addEventListener('submit', handleFormSubmit);
+
+    // Register the close click listener
+    const closeElements = [].slice.call(document.querySelectorAll(closeSelector));
+
+    if (closeElements.length) {
+      closeElements.forEach((closeElement) => {
+        closeElement.addEventListener('click', onClick);
+      });
+    }
+
+    // Cleanup
+    document.removeEventListener('DOMContentLoaded', registerEvents);
+  };
+
+  document.addEventListener('DOMContentLoaded', registerEvents);
+})(window, document, Joomla);