handling boolean configuration values

frontend-js/src/main/js/gui/admin/ConfigurationAdminPanel.js

@@ -122,6 +122,12 @@ ConfigurationAdminPanel.prototype.optionToTableRow = function (option) {
     editOption = "<input name='edit-" + option.getType() + "' value='" + value + "'/>";
   } else if (option.getValueType() === "TEXT") {
     editOption = "<textarea name='edit-" + option.getType() + "'>" + xss(value) + "</textarea>";
+  } else if (option.getValueType() === "BOOLEAN") {
+    var checked = "";
+    if (value.toLowerCase() === "true") {
+      checked = " checked ";
+    }
+    editOption = "<input type='checkbox' name='edit-" + option.getType() + "' " + checked + " />";
   } else if (option.getValueType() === "COLOR") {
     editOption = "<div>" +
       "<input class='minerva-color-input' name='edit-" + option.getType() + "' data='" + option.getType() + "' value='" + value + "'/>" +
@@ -141,7 +147,17 @@ ConfigurationAdminPanel.prototype.saveOption = function (type) {
   var self = this;
   return ServerConnector.getConfiguration().then(function (configuration) {
     var option = configuration.getOption(type);
-    var value = $("[name='edit-" + type + "']", self.getElement()).val();
+    var element = $("[name='edit-" + type + "']", self.getElement());
+    var value;
+    if (element.is(':checkbox')) {
+      if (element.is(':checked')) {
+        value = "true";
+      } else {
+        value = "false";
+      }
+    } else {
+      value = element.val();
+    }
     option.setValue(value);
     return ServerConnector.updateConfigurationOption(option);
   });