Web.Admin/z-scripts/ng-file-upload.js
/**!
* AngularJS file upload/drop directive and service with progress and abort
* @author Danial <danial.farid@gmail.com>
* @version 4.2.1
*/
(function () {
var key, i;
function patchXHR(fnName, newFn) {
window.XMLHttpRequest.prototype[fnName] = newFn(window.XMLHttpRequest.prototype[fnName]);
}
if (window.XMLHttpRequest && !window.XMLHttpRequest.__isFileAPIShim) {
patchXHR('setRequestHeader', function (orig) {
return function (header, value) {
if (header === '__setXHR_') {
var val = value(this);
// fix for angular < 1.2.0
if (val instanceof Function) {
val(this);
}
} else {
orig.apply(this, arguments);
}
}
});
}
var ngFileUpload = angular.module('ngFileUpload', []);
ngFileUpload.version = '4.2.1';
ngFileUpload.service('Upload', ['$http', '$q', '$timeout', function ($http, $q, $timeout) {
function sendHttp(config) {
config.method = config.method || 'POST';
config.headers = config.headers || {};
config.transformRequest = config.transformRequest || function (data, headersGetter) {
if (window.ArrayBuffer && data instanceof window.ArrayBuffer) {
return data;
}
return $http.defaults.transformRequest[0](data, headersGetter);
};
var deferred = $q.defer();
var promise = deferred.promise;
config.headers['__setXHR_'] = function () {
return function (xhr) {
if (!xhr) return;
config.__XHR = xhr;
config.xhrFn && config.xhrFn(xhr);
xhr.upload.addEventListener('progress', function (e) {
e.config = config;
deferred.notify ? deferred.notify(e) : promise.progress_fn && $timeout(function () {
promise.progress_fn(e)
});
}, false);
//fix for firefox not firing upload progress end, also IE8-9
xhr.upload.addEventListener('load', function (e) {
if (e.lengthComputable) {
e.config = config;
deferred.notify ? deferred.notify(e) : promise.progress_fn && $timeout(function () {
promise.progress_fn(e)
});
}
}, false);
};
};
$http(config).then(function (r) {
deferred.resolve(r)
}, function (e) {
deferred.reject(e)
}, function (n) {
deferred.notify(n)
});
promise.success = function (fn) {
promise.then(function (response) {
fn(response.data, response.status, response.headers, config);
});
return promise;
};
promise.error = function (fn) {
promise.then(null, function (response) {
fn(response.data, response.status, response.headers, config);
});
return promise;
};
promise.progress = function (fn) {
promise.progress_fn = fn;
promise.then(null, null, function (update) {
fn(update);
});
return promise;
};
promise.abort = function () {
if (config.__XHR) {
$timeout(function () {
config.__XHR.abort();
});
}
return promise;
};
promise.xhr = function (fn) {
config.xhrFn = (function (origXhrFn) {
return function () {
origXhrFn && origXhrFn.apply(promise, arguments);
fn.apply(promise, arguments);
}
})(config.xhrFn);
return promise;
};
return promise;
}
this.upload = function (config) {
config.headers = config.headers || {};
config.headers['Content-Type'] = undefined;
config.transformRequest = config.transformRequest ?
(angular.isArray(config.transformRequest) ?
config.transformRequest : [config.transformRequest]) : [];
config.transformRequest.push(function (data) {
var formData = new FormData();
var allFields = {};
for (key in config.fields) {
if (config.fields.hasOwnProperty(key)) {
allFields[key] = config.fields[key];
}
}
if (data) allFields['data'] = data;
if (config.formDataAppender) {
for (key in allFields) {
if (allFields.hasOwnProperty(key)) {
config.formDataAppender(formData, key, allFields[key]);
}
}
} else {
for (key in allFields) {
if (allFields.hasOwnProperty(key)) {
var val = allFields[key];
if (val !== undefined) {
if (angular.isDate(val)) {
val = val.toISOString();
}
if (angular.isString(val)) {
formData.append(key, val);
} else {
if (config.sendObjectsAsJsonBlob && angular.isObject(val)) {
formData.append(key, new Blob([val], {type: 'application/json'}));
} else {
formData.append(key, JSON.stringify(val));
}
}
}
}
}
}
if (config.file != null) {
var fileFormName = config.fileFormDataName || 'file';
if (angular.isArray(config.file)) {
var isFileFormNameString = angular.isString(fileFormName);
for (var i = 0; i < config.file.length; i++) {
formData.append(isFileFormNameString ? fileFormName : fileFormName[i], config.file[i],
(config.fileName && config.fileName[i]) || config.file[i].name);
}
} else {
formData.append(fileFormName, config.file, config.fileName || config.file.name);
}
}
return formData;
});
return sendHttp(config);
};
this.http = function (config) {
return sendHttp(config);
};
}]);
ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile',
function ($parse, $timeout, $compile) {
return {
restrict: 'AEC',
require: '?ngModel',
link: function (scope, elem, attr, ngModel) {
linkFileSelect(scope, elem, attr, ngModel, $parse, $timeout, $compile);
}
}
}]);
function linkFileSelect(scope, elem, attr, ngModel, $parse, $timeout, $compile) {
if (elem.attr('__ngf_gen__')) {
return;
}
function isInputTypeFile() {
return elem[0].tagName.toLowerCase() === 'input' && elem.attr('type') && elem.attr('type').toLowerCase() === 'file';
}
var isUpdating = false;
function changeFn(evt) {
if (!isUpdating) {
isUpdating = true;
try {
var fileList = evt.__files_ || (evt.target && evt.target.files);
var files = [], rejFiles = [];
for (var i = 0; i < fileList.length; i++) {
var file = fileList.item(i);
if (validate(scope, $parse, attr, file, evt)) {
files.push(file);
} else {
rejFiles.push(file);
}
}
updateModel($parse, $timeout, scope, ngModel, attr, attr.ngfChange || attr.ngfSelect, files, rejFiles, evt);
if (files.length == 0) evt.target.value = files;
// if (evt.target && evt.target.getAttribute('__ngf_gen__')) {
// angular.element(evt.target).remove();
// }
} finally {
isUpdating = false;
}
}
}
function bindAttrToFileInput(fileElem) {
if (attr.ngfMultiple) fileElem.attr('multiple', $parse(attr.ngfMultiple)(scope));
if (!$parse(attr.ngfMultiple)(scope)) fileElem.attr('multiple', undefined);
if (attr['accept']) fileElem.attr('accept', attr['accept']);
if (attr.ngfCapture) fileElem.attr('capture', $parse(attr.ngfCapture)(scope));
// if (attr.ngDisabled) fileElem.attr('disabled', $parse(attr.disabled)(scope));
for (var i = 0; i < elem[0].attributes.length; i++) {
var attribute = elem[0].attributes[i];
if ((isInputTypeFile() && attribute.name !== 'type')
|| (attribute.name !== 'type' && attribute.name !== 'class' &&
attribute.name !== 'id' && attribute.name !== 'style')) {
fileElem.attr(attribute.name, attribute.value);
}
}
}
function createFileInput(evt) {
if (elem.attr('disabled')) {
return;
}
var fileElem = angular.element('<input type="file">');
bindAttrToFileInput(fileElem);
if (isInputTypeFile()) {
elem.replaceWith(fileElem);
elem = fileElem;
fileElem.attr('__ngf_gen__', true);
$compile(elem)(scope);
} else {
fileElem.css('visibility', 'hidden').css('position', 'absolute')
.css('width', '1').css('height', '1').css('z-index', '-100000')
.attr('tabindex', '-1');
if (elem.__ngf_ref_elem__) {elem.__ngf_ref_elem__.remove();}
elem.__ngf_ref_elem__ = fileElem;
document.body.appendChild(fileElem[0]);
}
return fileElem;
}
function resetModel(evt) {
updateModel($parse, $timeout, scope, ngModel, attr, attr.ngfChange || attr.ngfSelect, [], [], evt, true);
}
function clickHandler(evt) {
evt.preventDefault();
var fileElem = createFileInput(evt);
if (fileElem) {
fileElem.bind('change', changeFn);
resetModel(evt);
function clickAndAssign() {
fileElem[0].click();
if (isInputTypeFile()) {
elem.bind('click touchend', clickHandler);
evt.preventDefault()
}
}
// fix for android native browser
if (navigator.userAgent.toLowerCase().match(/android/)) {
setTimeout(function() {
clickAndAssign();
}, 0);
} else {
clickAndAssign();
}
}
}
if (window.FileAPI && window.FileAPI.ngfFixIE) {
window.FileAPI.ngfFixIE(elem, createFileInput, bindAttrToFileInput, changeFn, resetModel);
} else {
elem.bind('click touchend', clickHandler);
}
}
ngFileUpload.directive('ngfDrop', ['$parse', '$timeout', '$location', function ($parse, $timeout, $location) {
return {
restrict: 'AEC',
require: '?ngModel',
link: function (scope, elem, attr, ngModel) {
linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location);
}
}
}]);
ngFileUpload.directive('ngfNoFileDrop', function () {
return function (scope, elem) {
if (dropAvailable()) elem.css('display', 'none')
}
});
ngFileUpload.directive('ngfDropAvailable', ['$parse', '$timeout', function ($parse, $timeout) {
return function (scope, elem, attr) {
if (dropAvailable()) {
var fn = $parse(attr.ngfDropAvailable);
$timeout(function () {
fn(scope);
if (fn.assign) {
fn.assign(scope, true);
}
});
}
}
}]);
function linkDrop(scope, elem, attr, ngModel, $parse, $timeout, $location) {
var available = dropAvailable();
if (attr.dropAvailable) {
$timeout(function () {
scope[attr.dropAvailable] ? scope[attr.dropAvailable].value = available : scope[attr.dropAvailable] = available;
});
}
if (!available) {
if ($parse(attr.ngfHideOnDropNotAvailable)(scope) == true) {
elem.css('display', 'none');
}
return;
}
var leaveTimeout = null;
var stopPropagation = $parse(attr.ngfStopPropagation);
var dragOverDelay = 1;
var accept = $parse(attr.ngfAccept);
var actualDragOverClass;
elem[0].addEventListener('dragover', function (evt) {
if (elem.attr('disabled')) return;
evt.preventDefault();
if (stopPropagation(scope)) evt.stopPropagation();
// handling dragover events from the Chrome download bar
if (navigator.userAgent.indexOf("Chrome") > -1) {
var b = evt.dataTransfer.effectAllowed;
evt.dataTransfer.dropEffect = ('move' === b || 'linkMove' === b) ? 'move' : 'copy';
}
$timeout.cancel(leaveTimeout);
if (!scope.actualDragOverClass) {
actualDragOverClass = calculateDragOverClass(scope, attr, evt);
}
elem.addClass(actualDragOverClass);
}, false);
elem[0].addEventListener('dragenter', function (evt) {
if (elem.attr('disabled')) return;
evt.preventDefault();
if (stopPropagation(scope)) evt.stopPropagation();
}, false);
elem[0].addEventListener('dragleave', function () {
if (elem.attr('disabled')) return;
leaveTimeout = $timeout(function () {
elem.removeClass(actualDragOverClass);
actualDragOverClass = null;
}, dragOverDelay || 1);
}, false);
elem[0].addEventListener('drop', function (evt) {
if (elem.attr('disabled')) return;
evt.preventDefault();
if (stopPropagation(scope)) evt.stopPropagation();
elem.removeClass(actualDragOverClass);
actualDragOverClass = null;
extractFiles(evt, function (files, rejFiles) {
updateModel($parse, $timeout, scope, ngModel, attr,
attr.ngfChange || attr.ngfDrop, files, rejFiles, evt)
}, $parse(attr.ngfAllowDir)(scope) != false, attr.multiple || $parse(attr.ngfMultiple)(scope));
}, false);
function calculateDragOverClass(scope, attr, evt) {
var accepted = true;
var items = evt.dataTransfer.items;
if (items != null) {
for (var i = 0; i < items.length && accepted; i++) {
accepted = accepted
&& (items[i].kind == 'file' || items[i].kind == '')
&& validate(scope, $parse, attr, items[i], evt);
}
}
var clazz = $parse(attr.ngfDragOverClass)(scope, {$event: evt});
if (clazz) {
if (clazz.delay) dragOverDelay = clazz.delay;
if (clazz.accept) clazz = accepted ? clazz.accept : clazz.reject;
}
return clazz || attr.ngfDragOverClass || 'dragover';
}
function extractFiles(evt, callback, allowDir, multiple) {
var files = [], rejFiles = [], items = evt.dataTransfer.items, processing = 0;
function addFile(file) {
if (validate(scope, $parse, attr, file, evt)) {
files.push(file);
} else {
rejFiles.push(file);
}
}
if (items && items.length > 0 && $location.protocol() != 'file') {
for (var i = 0; i < items.length; i++) {
if (items[i].webkitGetAsEntry && items[i].webkitGetAsEntry() && items[i].webkitGetAsEntry().isDirectory) {
var entry = items[i].webkitGetAsEntry();
if (entry.isDirectory && !allowDir) {
continue;
}
if (entry != null) {
traverseFileTree(files, entry);
}
} else {
var f = items[i].getAsFile();
if (f != null) addFile(f);
}
if (!multiple && files.length > 0) break;
}
} else {
var fileList = evt.dataTransfer.files;
if (fileList != null) {
for (var i = 0; i < fileList.length; i++) {
addFile(fileList.item(i));
if (!multiple && files.length > 0) break;
}
}
}
var delays = 0;
(function waitForProcess(delay) {
$timeout(function () {
if (!processing) {
if (!multiple && files.length > 1) {
i = 0;
while (files[i].type == 'directory') i++;
files = [files[i]];
}
callback(files, rejFiles);
} else {
if (delays++ * 10 < 20 * 1000) {
waitForProcess(10);
}
}
}, delay || 0)
})();
function traverseFileTree(files, entry, path) {
if (entry != null) {
if (entry.isDirectory) {
var filePath = (path || '') + entry.name;
addFile({name: entry.name, type: 'directory', path: filePath});
var dirReader = entry.createReader();
var entries = [];
processing++;
var readEntries = function () {
dirReader.readEntries(function (results) {
try {
if (!results.length) {
for (var i = 0; i < entries.length; i++) {
traverseFileTree(files, entries[i], (path ? path : '') + entry.name + '/');
}
processing--;
} else {
entries = entries.concat(Array.prototype.slice.call(results || [], 0));
readEntries();
}
} catch (e) {
processing--;
console.error(e);
}
}, function () {
processing--;
});
};
readEntries();
} else {
processing++;
entry.file(function (file) {
try {
processing--;
file.path = (path ? path : '') + file.name;
addFile(file);
} catch (e) {
processing--;
console.error(e);
}
}, function () {
processing--;
});
}
}
}
}
}
ngFileUpload.directive('ngfSrc', ['$parse', '$timeout', function ($parse, $timeout) {
return {
restrict: 'AE',
link: function (scope, elem, attr, file) {
if (window.FileReader) {
scope.$watch(attr.ngfSrc, function(file) {
if (file &&
validate(scope, $parse, attr, file, null) &&
(!window.FileAPI || navigator.userAgent.indexOf('MSIE 8') === -1 || file.size < 20000) &&
(!window.FileAPI || navigator.userAgent.indexOf('MSIE 9') === -1 || file.size < 4000000)) {
$timeout(function() {
var fileReader = new FileReader();
fileReader.readAsDataURL(file);
fileReader.onload = function(e) {
$timeout(function() {
elem.attr('src', e.target.result);
});
}
});
} else {
elem.attr('src', attr.ngfDefaultSrc || '');
}
});
}
}
}
}]);
function dropAvailable() {
var div = document.createElement('div');
return ('draggable' in div) && ('ondrop' in div);
}
function updateModel($parse, $timeout, scope, ngModel, attr, fileChange, files, rejFiles, evt, noDelay) {
function update() {
if (ngModel) {
$parse(attr.ngModel).assign(scope, files);
$timeout(function () {
ngModel && ngModel.$setViewValue(files != null && files.length == 0 ? null : files);
});
}
if (attr.ngModelRejected) {
$parse(attr.ngModelRejected).assign(scope, rejFiles);
}
if (fileChange) {
$parse(fileChange)(scope, {
$files: files,
$rejectedFiles: rejFiles,
$event: evt
});
}
}
if (noDelay) {
update();
} else {
$timeout(function () {
update();
});
}
}
function validate(scope, $parse, attr, file, evt) {
var accept = $parse(attr.ngfAccept)(scope, {$file: file, $event: evt});
var fileSizeMax = $parse(attr.ngfMaxSize)(scope, {$file: file, $event: evt}) || 9007199254740991;
var fileSizeMin = $parse(attr.ngfMinSize)(scope, {$file: file, $event: evt}) || -1;
if (accept != null && angular.isString(accept)) {
var regexp = new RegExp(globStringToRegex(accept), 'gi');
accept = (file.type != null && regexp.test(file.type.toLowerCase())) ||
(file.name != null && regexp.test(file.name.toLowerCase()));
}
return (accept == null || accept) && (file.size == null || (file.size < fileSizeMax && file.size > fileSizeMin));
}
function globStringToRegex(str) {
if (str.length > 2 && str[0] === '/' && str[str.length - 1] === '/') {
return str.substring(1, str.length - 1);
}
var split = str.split(','), result = '';
if (split.length > 1) {
for (var i = 0; i < split.length; i++) {
result += '(' + globStringToRegex(split[i]) + ')';
if (i < split.length - 1) {
result += '|'
}
}
} else {
if (str.indexOf('.') == 0) {
str = '*' + str;
}
result = '^' + str.replace(new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\' + '-]', 'g'), '\\$&') + '$';
result = result.replace(/\\\*/g, '.*').replace(/\\\?/g, '.');
}
return result;
}
})();