<div class="markdown-editor-element">
    <a class="btn btn-default preview-btn" ng-click="togglePreview()" ng-class="{'active': previewing}">Preview</a>
    <div class="wmd-panel" ng-show="!previewing">
        <div id="wmd-button-bar-{{id}}"></div>
        <textarea class="wmd-input form-control" id="wmd-input-{{id}}" ng-model="content"></textarea>
    </div>
    <div class="preview-panel" ng-show="previewing">
        <div class="preview-top-bar">Viewing preview</div>
        <div class="markdown-view" content="content || '(Nothing entered)'"></div>
    </div>
</div>