GUACAMOLE-292: Add support for email fields.

guacamole-ext/src/main/java/org/apache/guacamole/form/EmailField.java

@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.guacamole.form;
+
+/**
+ * Represents a text field which may contain an email address.
+ */
+public class EmailField extends Field {
+
+    /**
+     * Creates a new EmailField with the given name.
+     *
+     * @param name
+     *     The unique name to associate with this field.
+     */
+    public EmailField(String name) {
+        super(name, Field.Type.EMAIL);
+    }
+
+}

guacamole-ext/src/main/java/org/apache/guacamole/form/Field.java

@@ -47,6 +47,12 @@ public class Field {
          */
         public static String TEXT = "TEXT";
 
+        /**
+         * An email address field. This field type generally behaves
+         * identically to arbitrary text fields, but has semantic differences.
+         */
+        public static String EMAIL = "EMAIL";
+
         /**
          * A username field. This field type generally behaves identically to
          * arbitrary text fields, but has semantic differences.

guacamole/src/main/webapp/app/form/services/formService.js

@@ -47,6 +47,16 @@ angular.module('form').provider('formService', function formServiceProvider() {
             templateUrl : 'app/form/templates/textField.html'
         },
 
+        /**
+         * Email address field type.
+         *
+         * @see {@link Field.Type.EMAIL}
+         * @type FieldType
+         */
+        'EMAIL' : {
+            templateUrl : 'app/form/templates/emailField.html'
+        },
+
         /**
          * Numeric field type.
          *

guacamole/src/main/webapp/app/form/templates/emailField.html

@@ -0,0 +1,8 @@
+<div class="email-field">
+    <input type="email"
+           ng-model="model"
+           ng-hide="readOnly"
+           autocorrect="off"
+           autocapitalize="off"/>
+    <a href="mailto:{{model}}" ng-show="readOnly">{{model}}</a>
+</div>

guacamole/src/main/webapp/app/index/styles/input.css

@@ -17,11 +17,11 @@
  * under the License.
  */
 
-input[type=checkbox], input[type=number], input[type=text], input[type=radio], label, textarea {
+input[type=checkbox], input[type=number], input[type=text], input[type=email], input[type=radio], label, textarea {
     -webkit-tap-highlight-color: rgba(128,192,128,0.5);
 }
 
-div.location, input[type=text], input[type=number], input[type=password], textarea {
+div.location, input[type=text], input[type=email], input[type=number], input[type=password], textarea {
     border: 1px solid #777;
     -moz-border-radius: 0.2em;
     -webkit-border-radius: 0.2em;

guacamole/src/main/webapp/app/manage/styles/attributes.css

@@ -19,6 +19,7 @@
 
 /* Do not stretch attributes to fit available area */
 .attributes input[type=text],
+.attributes input[type=email],
 .attributes input[type=password],
 .attributes input[type=number] {
     width: auto;

guacamole/src/main/webapp/app/manage/styles/connection-parameter.css

@@ -19,6 +19,7 @@
 
 /* Do not stretch connection parameters to fit available area */
 .connection-parameters input[type=text],
+.connection-parameters input[type=email],
 .connection-parameters input[type=password],
 .connection-parameters input[type=number] {
     width: auto;

guacamole/src/main/webapp/app/rest/types/Field.js

@@ -75,6 +75,14 @@ angular.module('rest').factory('Field', [function defineField() {
          */
         TEXT : 'TEXT',
 
+        /**
+         * The type string associated with parameters that may contain an email
+         * address.
+         *
+         * @type String
+         */
+        EMAIL : 'EMAIL',
+
         /**
          * The type string associated with parameters that may contain an
          * arbitrary string, where that string represents the username of the