(function() {
  "use strict";
  kintone.events.on(['app.record.create.show','app.record.edit.show'], function(event){
    document.addEventListener('change', function(e){
      if(e.target.type !== 'file') return;
      if(!e.target.files[0].type.match('image.*')) return;
      var reader = new FileReader();
      reader.addEventListener('load', function(){
        Tesseract.recognize(reader.result, {lang:"jpn"}).progress(function(p){
          event.record.文字列.value = p.status + ' : ' + Math.round(p.progress*100) + '%';
          kintone.app.record.set(event);
        }).then(function(result){
          event.record.文字列.value = result.text;
          kintone.app.record.set(event);
        });
      });
      reader.readAsDataURL(e.target.files[0]);
    }, true);
  });
})();