text: /*
   * Chai PCR - Software platform for Open qPCR and Chai's Real-Time PCR instruments.
   * For more information visit http://www.chaibio.com
   *
   * Copyright 2016 Chai Biotechnologies Inc. <info@chaibio.com>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  window.ChaiBioTech.ngApp.directive('numbersOnly', [
    function(){
       return {
  
         require: 'ngModel',
         restrict: 'A',
  
         link: function(scope, element, attrs, modelCtrl) {
           
           modelCtrl.$parsers.push(function (inputValue) {
  
               if (inputValue === undefined) return '';
               var transformedInput = inputValue.replace(/[^0-9]/g, '');
               // condition to limit transformed value below 1 million
               transformedInput = (String(transformedInput).length >= 7) ? transformedInput.substr(0, 6) : transformedInput;
               if (transformedInput != inputValue) {
                  modelCtrl.$setViewValue(transformedInput);
                  modelCtrl.$render();
               }
  
               return transformedInput;
           });
         }
       };
    }
  ]);
  