Add support for multiline text fields.

guacamole/src/main/webapp/scripts/admin-ui.js

@@ -121,6 +121,36 @@ GuacAdmin.Field.TEXT = function() {
 GuacAdmin.Field.TEXT.prototype = new GuacAdmin.Field._HTML_INPUT();
 
 
+/**
+ * A basic multiline text field.
+ * 
+ * @augments GuacAdmin.Field
+ */
+GuacAdmin.Field.MULTILINE = function() {
+
+    // Call parent constructor
+    GuacAdmin.Field.apply(this);
+
+    // Create backing element
+    var element = GuacUI.createElement("textarea");
+
+    this.getValue = function() {
+        return element.value;
+    };
+
+    this.getElement = function() {
+        return element;
+    };
+
+    this.setValue = function(value) {
+        element.value = value;
+    };
+
+};
+
+GuacAdmin.Field.MULTILINE.prototype = new GuacAdmin.Field();
+
+
 /**
  * A basic password field.
  * 
@@ -882,6 +912,11 @@ GuacAdmin.ConnectionEditor = function(connection, parameters) {
                     field = new GuacAdmin.Field.ENUM(parameter.options);
                     break;
 
+                // Multiline text field
+                case GuacamoleService.Protocol.Parameter.MULTILINE:
+                    field = new GuacAdmin.Field.MULTILINE();
+                    break;
+
                 default:
                     continue;