Jose Pinto / foca-directivas

Authored by Jose Pinto 2019-02-22 10:34:51 -0300

1 parent d57f67fc66

Exists in master

Showing 1 changed file with 43 additions and 0 deletions Show diff stats

src/js/ngFileModel-directive.js

File was created	1	angular.module('focaDirectivas')
	2	.directive('ngFileModel', ['$parse', function ($parse) {
	3	return {
	4	restrict: 'A',
	5	link: function (scope, element, attrs) {
	6	var model = $parse(attrs.ngFileModel);
	7	var isMultiple = attrs.multiple;
	8	var modelSetter = model.assign;
	9	element.bind('change', function () {
	10	var promesas = [];
	11	angular.forEach(element[0].files, function (item) {
	12	promesas.push(new Promise(function(resolve, reject) {
	13	var reader = new FileReader();
	14	reader.readAsDataURL(item);
	15	reader.onload = function(){
	16	var value = {
	17	name: item.name,
	18	url: URL.createObjectURL(item),
	19	size: item.size,
	20	base64: reader.result,
	21	_file: item
	22	};
	23	resolve(value);
	24	};
	25	reader.onerror = function (error) {
	26	reject(error);
	27	};
	28	}));
	29	});
	30
	31	Promise.all(promesas).then(function(values){
	32	scope.$apply(function () {
	33	if (isMultiple) {
	34	modelSetter(scope, values);
	35	} else {
	36	modelSetter(scope, values[0]);
	37	}
	38	});
	39	});
	40	});
	41	}
	42	};
	43	}]);