febbweiss.github.io/demo/filebrowser-durandal-widget/app/widgets/filebrowser/renameModal.html

<div class="modal-content">
    <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close" data-bind="click: close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title">Rename</h4>
    </div>
    <div class="modal-body">
        <form data-bind="submit: ok" class="form-inline">
             <div class="form-group">
                <label for="renameInput">New name</label>
                <input data-bind="value: input, valueUpdate: 'afterkeydown'" name="renameInput" class="form-control autofocus"/>
              </div>
        </form>
    </div>
    <div class="modal-footer">
        <button class="btn btn-primary" data-bind="click: ok, visible: isValid">Ok</button>
        <button class="btn btn-default" data-bind="click: close">Cancel</button>
    </div>
</div>