invoiceninja/resources/views/partials/contact_us.blade.php

{!! Former::vertical_open()
        ->onsubmit('return onContactUsFormSubmit()')
        ->addClass('contact-us-form')
        ->rules([
            'contact_us_from' => 'required',
            'contact_us_message' => 'required',
        ]) !!}

<div class="modal fade" id="contactUsModal" tabindex="-1" role="dialog" aria-labelledby="contactUsModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
        <h4 class="modal-title">{{ trans('texts.contact_us') }}</h4>
      </div>

      <div class="container" style="width: 100%; padding-bottom: 0px !important">
      <div class="panel panel-default">
      <div class="panel-body">
          <div class="input-div">
              {!! Former::plaintext('contact_us_from')
                    ->label('from')
                    ->value(Auth::user()->present()->email) !!}

              {!! Former::textarea('contact_us_message')
                    ->label('message')
                    ->rows(10) !!}
          </div>
          <div class="response-div" style="display: none; font-size: 16px">
              {{ trans('texts.contact_us_response') }}
          </div>
      </div>
      </div>
      </div>

      <div class="modal-footer">
        <div class="input-div">
            <button type="button" class="btn btn-default" data-dismiss="modal">{{ trans('texts.cancel') }}</button>
            <button type="submit" class="btn btn-success">{{ trans('texts.submit') }}</button>
        </div>
        <div class="response-div" style="display: none;">
            <button type="button" class="btn btn-default" data-dismiss="modal">{{ trans('texts.close') }}</button>
        </div>
      </div>
    </div>
  </div>
</div>

{!! Former::close() !!}

<script type="text/javascript">

    function showContactUs() {
        $('#contactUsModal').modal('show');
    }

    $(function() {
        $('#contactUsModal').on('shown.bs.modal', function() {
            $('#contactUsModal .input-div').show();
            $('#contactUsModal .response-div').hide();
            $("#contact_us_message").focus();
        })
    })

    function onContactUsFormSubmit() {
        $('#contactUsModal .modal-footer button').attr('disabled', true);

        $.post("{{ url('/contact_us') }}", $('.contact-us-form').serialize(), function(data) {
            $('#contactUsModal .input-div').hide();
            $('#contactUsModal .response-div').show();
            $('#contact_us_message').val('');
            $('#contactUsModal .modal-footer button').attr('disabled', false);
        }).fail(function(data) {
            $('#contactUsModal .modal-footer button').attr('disabled', false);
        });

        return false;
    }

</script>