Open-ILS/web/js/ui/default/staff/services/file.js

   1 /**
   2  * File upload reader.
   3  * http://stackoverflow.com/questions/17063000/ng-model-for-input-type-file
   4  *
   5  * After reading, the contents will be available in the scope variable
   6  * referred to by container="..."
   7  */
   8
   9 angular.module('egCoreMod')
  10 .directive("egFileReader", [function () {
  11     return {
  12         scope: {
  13             container: "="
  14         },
  15         link: function (scope, element, attributes) {
  16             // TODO: support DataURL, etc. via attrs
  17             element.bind("change", function (changeEvent) {
  18                 var reader = new FileReader();
  19                 reader.onload = function (loadEvent) {
  20                     scope.$apply(function () {
  21                         scope.container = loadEvent.target.result;
  22                     });
  23                 }
  24                 reader.readAsText(changeEvent.target.files[0]);
  25             });
  26         }
  27     }
  28 }])
  29
  30 .directive('egJsonExporter', ['FileSaver', 'Blob', function(FileSaver, Blob) {
  31     return {
  32         scope: {
  33             container: '=',
  34             generator: '=',
  35             defaultFileName: '='
  36         },
  37         link: function (scope, element, attributes) {
  38             element.bind('click', function (clickEvent) {
  39                 if (scope.generator) {
  40                     scope.generator().then(function(value) {
  41                         var data = new Blob([JSON.stringify(value)], {type : 'application/json'});
  42                         FileSaver.saveAs(data, scope.defaultFileName);
  43                     });
  44                 } else {
  45                     var data = new Blob([JSON.stringify(scope.container)], {type : 'application/json'});
  46                     FileSaver.saveAs(data, scope.defaultFileName);
  47                 }
  48             });
  49         }
  50     }
  51 }])
  52 ;