login.html

>
              <div class="block-item"
                  ng-repeat="field in institution.login | filter:notOptional ">
                <div class="rfz-view" ng-switch="field.type">
                  <input class="full"
                         ng-switch-when="text"
                         type="text"
                         placeholder="{{field.label}}"
                         name="{{field.key}}" />
                  <input class="full"
                         ng-switch-when="password"
                         type="password"
                         placeholder="{{field.label}}"
                         name="{{field.key}}" />
                  <select ng-switch-when="select"
                      name="{{field.key}}">
                      <option ng-repeat="option in field.values" value="{{option.value}}">
                        {{option.label}}
                      </option>
                  </select>
                </div>
              </div>
              <a href="" ng-show="!showOptional" rfz-tap="showOptional=true">Show optional fields</a>
              <a href="" ng-show="showOptional" rfz-tap="showOptional=false">Hide optional fields</a>

              <div class="block-item" 
                  ng-repeat="field in institution.login | filter:isOptional "
                  ng-hide="!showOptional">
                <div class="rfz-view" ng-switch="field.type">
                  <input class="full"
                         ng-switch-when="text"
                         type="text"
                         placeholder="{{field.label}}"
                         name="{{field.key}}" />
                  <input class="full"
                         ng-switch-when="password"
                         type="password"
                         placeholder="{{field.label}}"
                         name="{{field.key}}" />
                  <select ng-switch-when="select"
                      name="{{field.key}}">
                      <option ng-repeat="option in field.values" value="{{option.value}}">
                        {{option.label}}
                      </option>
                  </select>
                  <div ng-switch-default>Unkown type: {{field.type}}</div>
                </div>
               </div>
            </div>