fab-manager/app/assets/templates/machines/_form.html.erb

<form role="form" name="machineForm" class="form-horizontal" novalidate action="{{ actionUrl }}" ng-upload="submited(content)" upload-options-enable-rails-csrf="true" unsaved-warning-form>

  <input name="_method" type="hidden" ng-value="method">

  <section class="panel panel-default bg-light m-lg"> 
  <div class="panel-body m-r"> 

    <alert ng-repeat="alert in alerts" type="{{alert.type}}" close="closeAlert($index)">{{alert.msg}}</alert>

    <div class="form-group m-b-lg" ng-class="{'has-error': machineForm['machine[name]'].$dirty && machineForm['machine[name]'].$invalid}">
      <label for="name" class="col-sm-2 control-label">Nom *</label>
      <div class="col-sm-4">
        <input ng-model="machine.name" type="text" name="machine[name]" class="form-control" id="machine_name" placeholder="Nom :" required>
        <span class="help-block" ng-show="machineForm['machine[name]'].$dirty && machineForm['machine[name]'].$error.required">Le Nom est obligatoire.</span>
      </div>
    </div>

    <div class="form-group m-b-lg">
      <label for="machine_image" class="col-sm-2 control-label">Visuel *</label>
      <div class="col-sm-10">
        <div class="fileinput" data-provides="fileinput" ng-class="fileinputClass(machine.machine_image)">
          <div class="fileinput-new thumbnail" style="width: 334px; height: 250px;">
            <img src="data:image/png;base64," data-src="holder.js/100%x100%/text:&#xf03e;/font:FontAwesome/icon" bs-holder ng-if="!machine.machine_image">
          </div>
          <div class="fileinput-preview fileinput-exists thumbnail" style="max-width: 334px;">
            <img ng-src="{{ machine.machine_image }}" alt="" />
          </div>
          <div>
            <span class="btn btn-default btn-file"><span class="fileinput-new">Ajouter un visuel <i class="fa fa-upload fa-fw"></i></span><span class="fileinput-exists">Modifier</span>
              <input type="file" name="machine[machine_image_attributes][attachment]" ng-model="machine.machine_image" required bs-jasny-fileinput></span>
            <a class="btn btn-danger fileinput-exists" data-dismiss="fileinput">Supprimer</a>
          </div>
        </div>
      </div>
    </div>


    <div class="form-group m-b-xl" ng-class="{'has-error': machineForm['machine[description]'].$dirty && machineForm['machine[description]'].$invalid}">
      <label for="description" class="col-sm-2 control-label">Description *</label>
      <div class="col-sm-10">
        <textarea ng-model="machine.description" class="form-control" rows="12" id="machine_description" placeholder="" name="machine[description]" required></textarea>
        <span class="help-block" ng-show="machineForm['machine[description]'].$dirty && machineForm['machine[description]'].$error.required">La Description est obligatoire.</span>
      </div>
    </div>

    <div class="form-group m-b-xl" ng-class="{'has-error': machineForm['machine[spec]'].$dirty && machineForm['machine[spec]'].$invalid}">
      <label for="spec" class="col-sm-2 control-label">Caractéristiques techniques *</label>
      <div class="col-sm-10">
        <textarea ng-model="machine.spec" class="form-control" rows="12" id="machine_spec" placeholder="" name="machine[spec]" required></textarea>
        <span class="help-block" ng-show="machineForm['machine[spec]'].$dirty && machineForm['machine[spec]'].$error.required">Les Caractéristiques techniques sont obligatoires.</span>
      </div>
    </div>

    <div class="form-group m-b-xl">
      <label class="col-sm-2 control-label">Pièces jointes</label>
      <div class="col-sm-10">
        <div ng-repeat="file in machine.machine_files_attributes" ng-show="!file._destroy">
          <input type="hidden" ng-model="file.id" name="machine[machine_files_attributes][][id]" ng-value="file.id" />
          <input type="hidden" ng-model="file._destroy" name="machine[machine_files_attributes][][_destroy]" ng-value="file._destroy"/>

          <div class="fileinput input-group" data-provides="fileinput" ng-class="fileinputClass(file.attachment)">
            <div class="form-control" data-trigger="fileinput">
              <i class="glyphicon glyphicon-file fileinput-exists"></i> <span class="fileinput-filename">{{file.attachment}}</span>
            </div>
            <span class="input-group-addon btn btn-default btn-file"><span class="fileinput-new">Joindre un fichier</span>
              <span class="fileinput-exists">Modifier</span><input type="file" name="machine[machine_files_attributes][][attachment]"></span>
            <a class="input-group-addon btn btn-danger fileinput-exists" data-dismiss="fileinput" ng-click="deleteFile(file)"><i class="fa fa-trash-o"></i></a>
          </div>

        </div>
        <a class="btn btn-default" ng-click="addFile()" role="button">Ajouter une pièce jointe  <i class="fa fa-file-o fa-fw"></i></a>
      </div>
    </div>

  </div>   <!-- ./panel-body  -->

  <div class="panel-footer no-padder">
    <input type="submit" value="Valider votre machine" class="r-b btn-valid btn btn-warning btn-block p-lg btn-lg text-u-c" ng-disabled="machineForm.$invalid"/>
  </div>
  </section>
</form>