syncthing-arm/gui/syncthing/settings/advancedSettingsModalView.html

 <div id="advanced" class="modal fade" tabindex="-1">
    <div class="modal-dialog modal-lg">
      <div class="modal-content">
        <div class="modal-header alert alert-danger">
          <h4 translate class="modal-title">Advanced Configuration</h4>
        </div>
        <div class="modal-body">

          <p class="text-danger">
            <b translate>Be careful!</b>
            <span translate>Incorrect configuration may damage your folder contents and render Syncthing inoperable.</span>
          </p>

          <div class="panel-group" id="advancedAccordion" role="tablist" aria-multiselectable="true">

            <div class="panel panel-default">
              <div class="panel-heading" role="tab" id="guiHeading" data-toggle="collapse" data-parent="#advancedAccordion" href="#guiConfig" aria-expanded="true" aria-controls="guiConfig" style="cursor: pointer">
                <h4 class="panel-title" translate>GUI</h4>
              </div>
              <div id="guiConfig" class="panel-collapse collapse in" role="tabpanel" aria-labelledby="guiHeading">
                <div class="panel-body">
                  <form class="form-horizontal" role="form">
                    <div ng-repeat="(key, value) in advancedConfig.gui" ng-init="type = inputTypeFor(key, value)" ng-if="type != 'skip'" class="form-group">
                      <label for="guiInput{{$index}}" class="col-sm-4 control-label">{{key}}</label>
                      <div class="col-sm-8">
                        <input id="guiInput{{$index}}" class="form-control" type="{{type}}" ng-model="advancedConfig.gui[key]" />
                      </div>
                    </div>
                  </form>
                </div>
              </div>
            </div>

            <div class="panel panel-default">
              <div class="panel-heading" role="tab" id="optionsHeading" data-toggle="collapse" data-parent="#advancedAccordion" href="#optionsConfig" aria-expanded="true" aria-controls="optionsConfig" style="cursor: pointer">
                <h4 class="panel-title" translate>Options</h4>
              </div>
              <div id="optionsConfig" class="panel-collapse collapse" role="tabpanel" aria-labelledby="optionsHeading">
                <div class="panel-body">
                  <form class="form-horizontal" role="form">
                    <div ng-repeat="(key, value) in advancedConfig.options" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                      <label for="optionsInput{{$index}}" class="col-sm-4 control-label">{{key}}</label>
                      <div class="col-sm-8">
                        <input id="optionsInput{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="advancedConfig.options[key]" />
                      </div>
                    </div>
                  </form>
                </div>
              </div>
            </div>

            <div class="panel panel-default" ng-repeat="folder in advancedConfig.folders">
              <div class="panel-heading" role="tab" id="folder{{$index}}Heading"  data-toggle="collapse" data-parent="#advancedAccordion" href="#folder{{$index}}Config" aria-expanded="true" aria-controls="folder{{$index}}Config" style="cursor: pointer">
                <h4 class="panel-title">
                  <span translate>Folder</span> "{{folder.id}}"
                </h4>
              </div>
              <div id="folder{{$index}}Config" class="panel-collapse collapse" role="tabpanel" aria-labelledby="folder{{$index}}Heading">
                <div class="panel-body">
                  <form class="form-horizontal" role="form">
                    <div ng-repeat="(key, value) in folder" ng-if="inputTypeFor(key, value) != 'skip'" class="form-group">
                      <label for="folder{{$index}}Input{{$index}}" class="col-sm-4 control-label">{{key}}</label>
                      <div class="col-sm-8">
                        <input id="folder{{$index}}Input{{$index}}" class="form-control" type="{{inputTypeFor(key, value)}}" ng-model="folder[key]" />
                      </div>
                    </div>
                  </form>
                </div>
              </div>
            </div>
          </div>

          <div class="modal-footer">
            <button type="button" class="btn btn-primary btn-sm" ng-click="saveAdvanced()"><span class="glyphicon glyphicon-ok"></span>&nbsp;<span translate>Save</span></button>
            <button type="button" class="btn btn-default btn-sm" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span>&nbsp;<span translate>Close</span></button>
          </div>
        </div>
      </div>
    </div>
  </div>