public function edit(Request $request, $id)
    {

        $title = $request->input('title');
        $description = $request->input('description');
        $states=Input::get('state');
        $priority=Input::get('priority');
        $visibility=Input::get('onoffswitch');
        $path=Input::get('exam_result');
        $id_selected_tags=Input::get('tag');

        if ( $visibility=='on')
        {
            $visibility=true;
        }
        else{
            $visibility=false;
        }

        $clinical_case = \App\Clinical_Case::find($id);

        $clinical_case->title = $title;
        $clinical_case->description = $description;
        $clinical_case->visibility = $visibility;


        $number_of_states=2;
        for( $i=0; $i<$number_of_states; $i++)

        {  if (isset($states[$i]))
        {
            $state=$states[$i];
            $clinical_case->state = $state;

        }
        }

        //array_keys($states);
        $number_of_priorities=2;
        for( $i=0; $i<$number_of_priorities; $i++)
        { if (isset($priority[$i]))
        {
            $prior=$priority[$i];
            $clinical_case->priority = $prior;

        }
        }
        $clinical_case->save();


        DB::table('tag_clinical_case')->where('id_clinical_case','=',$id)->delete();

        $number_of_tags=14;
        for( $i=0; $i<$number_of_tags; $i++)
        {   if (isset($id_selected_tags[$i]))
        {
            $id_tag=$id_selected_tags[$i];

            $cc_tag = new Tag_Clinical_Case();
            $cc_tag->id_tag = $id_tag;
            $cc_tag->id_clinical_case = $id;
            // $request->tag_clinical_case()->save($cc_tag);
            $cc_tag->save();
        }
        }

        $exam_result=\App\Annex::where('id_clinical_case',$id);
        $exam_result->path=$path;
        if (!empty($exam_result->path))
        {
            $exam_result->save();
        }

        echo "Clinical case updated successfully.<br/>";
        return redirect()->action('ClinicalCaseController@show', ['id' => $id]); /* redirect para a view anterior*/

    }