v1.2.0

assets/css/admin.css

@@ -0,0 +1,22 @@
+.robotstxt-smtp-tools .card {
+		width: 100%;
+		max-width: 100%;
+		box-sizing: border-box;
+}
+
+.robotstxt-smtp-tools .robotstxt-smtp-tool-empty {
+		margin-top: 1em;
+}
+
+.robotstxt-smtp-tools .robotstxt-smtp-tool-meta {
+		margin: 1em 0;
+		font-style: italic;
+}
+
+.robotstxt-smtp-tools .robotstxt-smtp-tool-actions {
+		margin: 1em 0;
+}
+
+.robotstxt-smtp-tools .robotstxt-smtp-tool-result {
+		margin-top: 1.5em;
+}

assets/js/admin.js

@@ -0,0 +1,52 @@
+/**
+ * Admin UI behavior for Robotstxt SMTP settings.
+ *
+ * @package RobotstxtSMTP
+ */
+
+(function () {
+		'use strict';
+
+		var initializeAdmin = function () {
+				var security = document.getElementById( 'robotstxt_smtp_security' );
+				var port     = document.getElementById( 'robotstxt_smtp_port' );
+
+			if ( ! security || ! port) {
+					return;
+			}
+
+				var defaultPorts = {
+					none: 25,
+					ssl: 465,
+					tls: 587
+			};
+
+				var previousValue = security.value || 'none';
+
+				security.addEventListener(
+					'change',
+					function () {
+						var newValue        = security.value || 'none';
+						var previousDefault = Object.prototype.hasOwnProperty.call( defaultPorts, previousValue )
+								? defaultPorts[previousValue]
+								: null;
+						var newDefault      = Object.prototype.hasOwnProperty.call( defaultPorts, newValue )
+								? defaultPorts[newValue]
+								: null;
+						var currentPort     = parseInt( port.value, 10 );
+
+						if ( ! Number.isNaN( currentPort ) && null !== previousDefault && currentPort === previousDefault && null !== newDefault) {
+							port.value = newDefault;
+						}
+
+						previousValue = newValue;
+					}
+				);
+		};
+
+	if ('loading' !== document.readyState) {
+			initializeAdmin();
+	} else {
+			document.addEventListener( 'DOMContentLoaded', initializeAdmin );
+	}
+})();