cmsmon/frontend/components/formly/code.html

<div class="form-group">
    <label class="control-label {{size.label}}" uib-tooltip='{{to.tooltip}}'>
        {{to.label}}
    </label>
    <div class="{{size.input}}">

        <button type="button"
                class="btn btn-white btn-xs"
                style="margin-top: 7px;"
                ng-click="showCode(); selectTab();">
            {{!show? 'show code': 'hide code'}}
        </button>
        <span class="label label-danger" ng-show="hasError">The code has error</span>
    </div>

</div>
<ui-codemirror ng-show="show"
                     ng-model="_model"
                     ui-codemirror-opts="editorOptions"
                     ui-codemirror="{ onLoad : codemirrorLoaded }"
                     ui-refresh='refresh'>
</ui-codemirror>
<br>