ng-file-upload
Version:
An AngularJS directive for file upload using HTML5 with FileAPI polyfill for unsupported browsers
1,518 lines (1,373 loc) • 96.1 kB
JavaScript
/**!
* AngularJS file upload directives and services. Supports: file upload/drop/paste, resume, cancel/abort,
* progress, resize, thumbnail, preview, validation and CORS
* FileAPI Flash shim for old browsers not supporting FormData
* @author Danial <danial.farid@gmail.com>
* @version 12.2.13
*/
(function () {
/** @namespace FileAPI.noContentTimeout */
function patchXHR(fnName, newFn) {
window.XMLHttpRequest.prototype[fnName] = newFn(window.XMLHttpRequest.prototype[fnName]);
}
function redefineProp(xhr, prop, fn) {
try {
Object.defineProperty(xhr, prop, {get: fn});
} catch (e) {/*ignore*/
}
}
if (!window.FileAPI) {
window.FileAPI = {};
}
if (!window.XMLHttpRequest) {
throw 'AJAX is not supported. XMLHttpRequest is not defined.';
}
FileAPI.shouldLoad = !window.FormData || FileAPI.forceLoad;
if (FileAPI.shouldLoad) {
var initializeUploadListener = function (xhr) {
if (!xhr.__listeners) {
if (!xhr.upload) xhr.upload = {};
xhr.__listeners = [];
var origAddEventListener = xhr.upload.addEventListener;
xhr.upload.addEventListener = function (t, fn) {
xhr.__listeners[t] = fn;
if (origAddEventListener) origAddEventListener.apply(this, arguments);
};
}
};
patchXHR('open', function (orig) {
return function (m, url, b) {
initializeUploadListener(this);
this.__url = url;
try {
orig.apply(this, [m, url, b]);
} catch (e) {
if (e.message.indexOf('Access is denied') > -1) {
this.__origError = e;
orig.apply(this, [m, '_fix_for_ie_crossdomain__', b]);
}
}
};
});
patchXHR('getResponseHeader', function (orig) {
return function (h) {
return this.__fileApiXHR && this.__fileApiXHR.getResponseHeader ? this.__fileApiXHR.getResponseHeader(h) : (orig == null ? null : orig.apply(this, [h]));
};
});
patchXHR('getAllResponseHeaders', function (orig) {
return function () {
return this.__fileApiXHR && this.__fileApiXHR.getAllResponseHeaders ? this.__fileApiXHR.getAllResponseHeaders() : (orig == null ? null : orig.apply(this));
};
});
patchXHR('abort', function (orig) {
return function () {
return this.__fileApiXHR && this.__fileApiXHR.abort ? this.__fileApiXHR.abort() : (orig == null ? null : orig.apply(this));
};
});
patchXHR('setRequestHeader', function (orig) {
return function (header, value) {
if (header === '__setXHR_') {
initializeUploadListener(this);
var val = value(this);
// fix for angular < 1.2.0
if (val instanceof Function) {
val(this);
}
} else {
this.__requestHeaders = this.__requestHeaders || {};
this.__requestHeaders[header] = value;
orig.apply(this, arguments);
}
};
});
patchXHR('send', function (orig) {
return function () {
var xhr = this;
if (arguments[0] && arguments[0].__isFileAPIShim) {
var formData = arguments[0];
var config = {
url: xhr.__url,
jsonp: false, //removes the callback form param
cache: true, //removes the ?fileapiXXX in the url
complete: function (err, fileApiXHR) {
if (err && angular.isString(err) && err.indexOf('#2174') !== -1) {
// this error seems to be fine the file is being uploaded properly.
err = null;
}
xhr.__completed = true;
if (!err && xhr.__listeners.load)
xhr.__listeners.load({
type: 'load',
loaded: xhr.__loaded,
total: xhr.__total,
target: xhr,
lengthComputable: true
});
if (!err && xhr.__listeners.loadend)
xhr.__listeners.loadend({
type: 'loadend',
loaded: xhr.__loaded,
total: xhr.__total,
target: xhr,
lengthComputable: true
});
if (err === 'abort' && xhr.__listeners.abort)
xhr.__listeners.abort({
type: 'abort',
loaded: xhr.__loaded,
total: xhr.__total,
target: xhr,
lengthComputable: true
});
if (fileApiXHR.status !== undefined) redefineProp(xhr, 'status', function () {
return (fileApiXHR.status === 0 && err && err !== 'abort') ? 500 : fileApiXHR.status;
});
if (fileApiXHR.statusText !== undefined) redefineProp(xhr, 'statusText', function () {
return fileApiXHR.statusText;
});
redefineProp(xhr, 'readyState', function () {
return 4;
});
if (fileApiXHR.response !== undefined) redefineProp(xhr, 'response', function () {
return fileApiXHR.response;
});
var resp = fileApiXHR.responseText || (err && fileApiXHR.status === 0 && err !== 'abort' ? err : undefined);
redefineProp(xhr, 'responseText', function () {
return resp;
});
redefineProp(xhr, 'response', function () {
return resp;
});
if (err) redefineProp(xhr, 'err', function () {
return err;
});
xhr.__fileApiXHR = fileApiXHR;
if (xhr.onreadystatechange) xhr.onreadystatechange();
if (xhr.onload) xhr.onload();
},
progress: function (e) {
e.target = xhr;
if (xhr.__listeners.progress) xhr.__listeners.progress(e);
xhr.__total = e.total;
xhr.__loaded = e.loaded;
if (e.total === e.loaded) {
// fix flash issue that doesn't call complete if there is no response text from the server
var _this = this;
setTimeout(function () {
if (!xhr.__completed) {
xhr.getAllResponseHeaders = function () {
};
_this.complete(null, {status: 204, statusText: 'No Content'});
}
}, FileAPI.noContentTimeout || 10000);
}
},
headers: xhr.__requestHeaders
};
config.data = {};
config.files = {};
for (var i = 0; i < formData.data.length; i++) {
var item = formData.data[i];
if (item.val != null && item.val.name != null && item.val.size != null && item.val.type != null) {
config.files[item.key] = item.val;
} else {
config.data[item.key] = item.val;
}
}
setTimeout(function () {
if (!FileAPI.hasFlash) {
throw 'Adode Flash Player need to be installed. To check ahead use "FileAPI.hasFlash"';
}
xhr.__fileApiXHR = FileAPI.upload(config);
}, 1);
} else {
if (this.__origError) {
throw this.__origError;
}
orig.apply(xhr, arguments);
}
};
});
window.XMLHttpRequest.__isFileAPIShim = true;
window.FormData = FormData = function () {
return {
append: function (key, val, name) {
if (val.__isFileAPIBlobShim) {
val = val.data[0];
}
this.data.push({
key: key,
val: val,
name: name
});
},
data: [],
__isFileAPIShim: true
};
};
window.Blob = Blob = function (b) {
return {
data: b,
__isFileAPIBlobShim: true
};
};
}
})();
(function () {
/** @namespace FileAPI.forceLoad */
/** @namespace window.FileAPI.jsUrl */
/** @namespace window.FileAPI.jsPath */
function isInputTypeFile(elem) {
return elem[0].tagName.toLowerCase() === 'input' && elem.attr('type') && elem.attr('type').toLowerCase() === 'file';
}
function hasFlash() {
try {
var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
if (fo) return true;
} catch (e) {
if (navigator.mimeTypes['application/x-shockwave-flash'] !== undefined) return true;
}
return false;
}
function getOffset(obj) {
var left = 0, top = 0;
if (window.jQuery) {
return jQuery(obj).offset();
}
if (obj.offsetParent) {
do {
left += (obj.offsetLeft - obj.scrollLeft);
top += (obj.offsetTop - obj.scrollTop);
obj = obj.offsetParent;
} while (obj);
}
return {
left: left,
top: top
};
}
if (FileAPI.shouldLoad) {
FileAPI.hasFlash = hasFlash();
//load FileAPI
if (FileAPI.forceLoad) {
FileAPI.html5 = false;
}
if (!FileAPI.upload) {
var jsUrl, basePath, script = document.createElement('script'), allScripts = document.getElementsByTagName('script'), i, index, src;
if (window.FileAPI.jsUrl) {
jsUrl = window.FileAPI.jsUrl;
} else if (window.FileAPI.jsPath) {
basePath = window.FileAPI.jsPath;
} else {
for (i = 0; i < allScripts.length; i++) {
src = allScripts[i].src;
index = src.search(/\/ng\-file\-upload[\-a-zA-z0-9\.]*\.js/);
if (index > -1) {
basePath = src.substring(0, index + 1);
break;
}
}
}
if (FileAPI.staticPath == null) FileAPI.staticPath = basePath;
script.setAttribute('src', jsUrl || basePath + 'FileAPI.min.js');
document.getElementsByTagName('head')[0].appendChild(script);
}
FileAPI.ngfFixIE = function (elem, fileElem, changeFn) {
if (!hasFlash()) {
throw 'Adode Flash Player need to be installed. To check ahead use "FileAPI.hasFlash"';
}
var fixInputStyle = function () {
var label = fileElem.parent();
if (elem.attr('disabled')) {
if (label) label.removeClass('js-fileapi-wrapper');
} else {
if (!fileElem.attr('__ngf_flash_')) {
fileElem.unbind('change');
fileElem.unbind('click');
fileElem.bind('change', function (evt) {
fileApiChangeFn.apply(this, [evt]);
changeFn.apply(this, [evt]);
});
fileElem.attr('__ngf_flash_', 'true');
}
label.addClass('js-fileapi-wrapper');
if (!isInputTypeFile(elem)) {
label.css('position', 'absolute')
.css('top', getOffset(elem[0]).top + 'px').css('left', getOffset(elem[0]).left + 'px')
.css('width', elem[0].offsetWidth + 'px').css('height', elem[0].offsetHeight + 'px')
.css('filter', 'alpha(opacity=0)').css('display', elem.css('display'))
.css('overflow', 'hidden').css('z-index', '900000')
.css('visibility', 'visible');
fileElem.css('width', elem[0].offsetWidth + 'px').css('height', elem[0].offsetHeight + 'px')
.css('position', 'absolute').css('top', '0px').css('left', '0px');
}
}
};
elem.bind('mouseenter', fixInputStyle);
var fileApiChangeFn = function (evt) {
var files = FileAPI.getFiles(evt);
//just a double check for #233
for (var i = 0; i < files.length; i++) {
if (files[i].size === undefined) files[i].size = 0;
if (files[i].name === undefined) files[i].name = 'file';
if (files[i].type === undefined) files[i].type = 'undefined';
}
if (!evt.target) {
evt.target = {};
}
evt.target.files = files;
// if evt.target.files is not writable use helper field
if (evt.target.files !== files) {
evt.__files_ = files;
}
(evt.__files_ || evt.target.files).item = function (i) {
return (evt.__files_ || evt.target.files)[i] || null;
};
};
};
FileAPI.disableFileInput = function (elem, disable) {
if (disable) {
elem.removeClass('js-fileapi-wrapper');
} else {
elem.addClass('js-fileapi-wrapper');
}
};
}
})();
if (!window.FileReader) {
window.FileReader = function () {
var _this = this, loadStarted = false;
this.listeners = {};
this.addEventListener = function (type, fn) {
_this.listeners[type] = _this.listeners[type] || [];
_this.listeners[type].push(fn);
};
this.removeEventListener = function (type, fn) {
if (_this.listeners[type]) _this.listeners[type].splice(_this.listeners[type].indexOf(fn), 1);
};
this.dispatchEvent = function (evt) {
var list = _this.listeners[evt.type];
if (list) {
for (var i = 0; i < list.length; i++) {
list[i].call(_this, evt);
}
}
};
this.onabort = this.onerror = this.onload = this.onloadstart = this.onloadend = this.onprogress = null;
var constructEvent = function (type, evt) {
var e = {type: type, target: _this, loaded: evt.loaded, total: evt.total, error: evt.error};
if (evt.result != null) e.target.result = evt.result;
return e;
};
var listener = function (evt) {
if (!loadStarted) {
loadStarted = true;
if (_this.onloadstart) _this.onloadstart(constructEvent('loadstart', evt));
}
var e;
if (evt.type === 'load') {
if (_this.onloadend) _this.onloadend(constructEvent('loadend', evt));
e = constructEvent('load', evt);
if (_this.onload) _this.onload(e);
_this.dispatchEvent(e);
} else if (evt.type === 'progress') {
e = constructEvent('progress', evt);
if (_this.onprogress) _this.onprogress(e);
_this.dispatchEvent(e);
} else {
e = constructEvent('error', evt);
if (_this.onerror) _this.onerror(e);
_this.dispatchEvent(e);
}
};
this.readAsDataURL = function (file) {
FileAPI.readAsDataURL(file, listener);
};
this.readAsText = function (file) {
FileAPI.readAsText(file, listener);
};
};
}
/**!
* AngularJS file upload directives and services. Supoorts: file upload/drop/paste, resume, cancel/abort,
* progress, resize, thumbnail, preview, validation and CORS
* @author Danial <danial.farid@gmail.com>
* @version 12.2.13
*/
if (window.XMLHttpRequest && !(window.FileAPI && FileAPI.shouldLoad)) {
window.XMLHttpRequest.prototype.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);
}
};
})(window.XMLHttpRequest.prototype.setRequestHeader);
}
var ngFileUpload = angular.module('ngFileUpload', []);
ngFileUpload.version = '12.2.13';
ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http, $q, $timeout) {
var upload = this;
upload.promisesCount = 0;
this.isResumeSupported = function () {
return window.Blob && window.Blob.prototype.slice;
};
var resumeSupported = this.isResumeSupported();
function sendHttp(config) {
config.method = config.method || 'POST';
config.headers = config.headers || {};
var deferred = config._deferred = config._deferred || $q.defer();
var promise = deferred.promise;
function notifyProgress(e) {
if (deferred.notify) {
deferred.notify(e);
}
if (promise.progressFunc) {
$timeout(function () {
promise.progressFunc(e);
});
}
}
function getNotifyEvent(n) {
if (config._start != null && resumeSupported) {
return {
loaded: n.loaded + config._start,
total: (config._file && config._file.size) || n.total,
type: n.type, config: config,
lengthComputable: true, target: n.target
};
} else {
return n;
}
}
if (!config.disableProgress) {
config.headers.__setXHR_ = function () {
return function (xhr) {
if (!xhr || !xhr.upload || !xhr.upload.addEventListener) return;
config.__XHR = xhr;
if (config.xhrFn) config.xhrFn(xhr);
xhr.upload.addEventListener('progress', function (e) {
e.config = config;
notifyProgress(getNotifyEvent(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;
notifyProgress(getNotifyEvent(e));
}
}, false);
};
};
}
function uploadWithAngular() {
$http(config).then(function (r) {
if (resumeSupported && config._chunkSize && !config._finished && config._file) {
var fileSize = config._file && config._file.size || 0;
notifyProgress({
loaded: Math.min(config._end, fileSize),
total: fileSize,
config: config,
type: 'progress'
}
);
upload.upload(config, true);
} else {
if (config._finished) delete config._finished;
deferred.resolve(r);
}
}, function (e) {
deferred.reject(e);
}, function (n) {
deferred.notify(n);
}
);
}
if (!resumeSupported) {
uploadWithAngular();
} else if (config._chunkSize && config._end && !config._finished) {
config._start = config._end;
config._end += config._chunkSize;
uploadWithAngular();
} else if (config.resumeSizeUrl) {
$http.get(config.resumeSizeUrl).then(function (resp) {
if (config.resumeSizeResponseReader) {
config._start = config.resumeSizeResponseReader(resp.data);
} else {
config._start = parseInt((resp.data.size == null ? resp.data : resp.data.size).toString());
}
if (config._chunkSize) {
config._end = config._start + config._chunkSize;
}
uploadWithAngular();
}, function (e) {
throw e;
});
} else if (config.resumeSize) {
config.resumeSize().then(function (size) {
config._start = size;
if (config._chunkSize) {
config._end = config._start + config._chunkSize;
}
uploadWithAngular();
}, function (e) {
throw e;
});
} else {
if (config._chunkSize) {
config._start = 0;
config._end = config._start + config._chunkSize;
}
uploadWithAngular();
}
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.progressFunc = fn;
promise.then(null, null, function (n) {
fn(n);
});
return promise;
};
promise.abort = promise.pause = function () {
if (config.__XHR) {
$timeout(function () {
config.__XHR.abort();
});
}
return promise;
};
promise.xhr = function (fn) {
config.xhrFn = (function (origXhrFn) {
return function () {
if (origXhrFn) origXhrFn.apply(promise, arguments);
fn.apply(promise, arguments);
};
})(config.xhrFn);
return promise;
};
upload.promisesCount++;
if (promise['finally'] && promise['finally'] instanceof Function) {
promise['finally'](function () {
upload.promisesCount--;
});
}
return promise;
}
this.isUploadInProgress = function () {
return upload.promisesCount > 0;
};
this.rename = function (file, name) {
file.ngfName = name;
return file;
};
this.jsonBlob = function (val) {
if (val != null && !angular.isString(val)) {
val = JSON.stringify(val);
}
var blob = new window.Blob([val], {type: 'application/json'});
blob._ngfBlob = true;
return blob;
};
this.json = function (val) {
return angular.toJson(val);
};
function copy(obj) {
var clone = {};
for (var key in obj) {
if (obj.hasOwnProperty(key)) {
clone[key] = obj[key];
}
}
return clone;
}
this.isFile = function (file) {
return file != null && (file instanceof window.Blob || (file.flashId && file.name && file.size));
};
this.upload = function (config, internal) {
function toResumeFile(file, formData) {
if (file._ngfBlob) return file;
config._file = config._file || file;
if (config._start != null && resumeSupported) {
if (config._end && config._end >= file.size) {
config._finished = true;
config._end = file.size;
}
var slice = file.slice(config._start, config._end || file.size);
slice.name = file.name;
slice.ngfName = file.ngfName;
if (config._chunkSize) {
formData.append('_chunkSize', config._chunkSize);
formData.append('_currentChunkSize', config._end - config._start);
formData.append('_chunkNumber', Math.floor(config._start / config._chunkSize));
formData.append('_totalSize', config._file.size);
}
return slice;
}
return file;
}
function addFieldToFormData(formData, val, key) {
if (val !== undefined) {
if (angular.isDate(val)) {
val = val.toISOString();
}
if (angular.isString(val)) {
formData.append(key, val);
} else if (upload.isFile(val)) {
var file = toResumeFile(val, formData);
var split = key.split(',');
if (split[1]) {
file.ngfName = split[1].replace(/^\s+|\s+$/g, '');
key = split[0];
}
config._fileKey = config._fileKey || key;
formData.append(key, file, file.ngfName || file.name);
} else {
if (angular.isObject(val)) {
if (val.$$ngfCircularDetection) throw 'ngFileUpload: Circular reference in config.data. Make sure specified data for Upload.upload() has no circular reference: ' + key;
val.$$ngfCircularDetection = true;
try {
for (var k in val) {
if (val.hasOwnProperty(k) && k !== '$$ngfCircularDetection') {
var objectKey = config.objectKey == null ? '[i]' : config.objectKey;
if (val.length && parseInt(k) > -1) {
objectKey = config.arrayKey == null ? objectKey : config.arrayKey;
}
addFieldToFormData(formData, val[k], key + objectKey.replace(/[ik]/g, k));
}
}
} finally {
delete val.$$ngfCircularDetection;
}
} else {
formData.append(key, val);
}
}
}
}
function digestConfig() {
config._chunkSize = upload.translateScalars(config.resumeChunkSize);
config._chunkSize = config._chunkSize ? parseInt(config._chunkSize.toString()) : null;
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 window.FormData(), key;
data = data || config.fields || {};
if (config.file) {
data.file = config.file;
}
for (key in data) {
if (data.hasOwnProperty(key)) {
var val = data[key];
if (config.formDataAppender) {
config.formDataAppender(formData, key, val);
} else {
addFieldToFormData(formData, val, key);
}
}
}
return formData;
});
}
if (!internal) config = copy(config);
if (!config._isDigested) {
config._isDigested = true;
digestConfig();
}
return sendHttp(config);
};
this.http = function (config) {
config = copy(config);
config.transformRequest = config.transformRequest || function (data) {
if ((window.ArrayBuffer && data instanceof window.ArrayBuffer) || data instanceof window.Blob) {
return data;
}
return $http.defaults.transformRequest[0].apply(this, arguments);
};
config._chunkSize = upload.translateScalars(config.resumeChunkSize);
config._chunkSize = config._chunkSize ? parseInt(config._chunkSize.toString()) : null;
return sendHttp(config);
};
this.translateScalars = function (str) {
if (angular.isString(str)) {
if (str.search(/kb/i) === str.length - 2) {
return parseFloat(str.substring(0, str.length - 2) * 1024);
} else if (str.search(/mb/i) === str.length - 2) {
return parseFloat(str.substring(0, str.length - 2) * 1048576);
} else if (str.search(/gb/i) === str.length - 2) {
return parseFloat(str.substring(0, str.length - 2) * 1073741824);
} else if (str.search(/b/i) === str.length - 1) {
return parseFloat(str.substring(0, str.length - 1));
} else if (str.search(/s/i) === str.length - 1) {
return parseFloat(str.substring(0, str.length - 1));
} else if (str.search(/m/i) === str.length - 1) {
return parseFloat(str.substring(0, str.length - 1) * 60);
} else if (str.search(/h/i) === str.length - 1) {
return parseFloat(str.substring(0, str.length - 1) * 3600);
}
}
return str;
};
this.urlToBlob = function(url) {
var defer = $q.defer();
$http({url: url, method: 'get', responseType: 'arraybuffer'}).then(function (resp) {
var arrayBufferView = new Uint8Array(resp.data);
var type = resp.headers('content-type') || 'image/WebP';
var blob = new window.Blob([arrayBufferView], {type: type});
var matches = url.match(/.*\/(.+?)(\?.*)?$/);
if (matches.length > 1) {
blob.name = matches[1];
}
defer.resolve(blob);
}, function (e) {
defer.reject(e);
});
return defer.promise;
};
this.setDefaults = function (defaults) {
this.defaults = defaults || {};
};
this.defaults = {};
this.version = ngFileUpload.version;
}
]);
ngFileUpload.service('Upload', ['$parse', '$timeout', '$compile', '$q', 'UploadExif', function ($parse, $timeout, $compile, $q, UploadExif) {
var upload = UploadExif;
upload.getAttrWithDefaults = function (attr, name) {
if (attr[name] != null) return attr[name];
var def = upload.defaults[name];
return (def == null ? def : (angular.isString(def) ? def : JSON.stringify(def)));
};
upload.attrGetter = function (name, attr, scope, params) {
var attrVal = this.getAttrWithDefaults(attr, name);
if (scope) {
try {
if (params) {
return $parse(attrVal)(scope, params);
} else {
return $parse(attrVal)(scope);
}
} catch (e) {
// hangle string value without single qoute
if (name.search(/min|max|pattern/i)) {
return attrVal;
} else {
throw e;
}
}
} else {
return attrVal;
}
};
upload.shouldUpdateOn = function (type, attr, scope) {
var modelOptions = upload.attrGetter('ngfModelOptions', attr, scope);
if (modelOptions && modelOptions.updateOn) {
return modelOptions.updateOn.split(' ').indexOf(type) > -1;
}
return true;
};
upload.emptyPromise = function () {
var d = $q.defer();
var args = arguments;
$timeout(function () {
d.resolve.apply(d, args);
});
return d.promise;
};
upload.rejectPromise = function () {
var d = $q.defer();
var args = arguments;
$timeout(function () {
d.reject.apply(d, args);
});
return d.promise;
};
upload.happyPromise = function (promise, data) {
var d = $q.defer();
promise.then(function (result) {
d.resolve(result);
}, function (error) {
$timeout(function () {
throw error;
});
d.resolve(data);
});
return d.promise;
};
function applyExifRotations(files, attr, scope) {
var promises = [upload.emptyPromise()];
angular.forEach(files, function (f, i) {
if (f.type.indexOf('image/jpeg') === 0 && upload.attrGetter('ngfFixOrientation', attr, scope, {$file: f})) {
promises.push(upload.happyPromise(upload.applyExifRotation(f), f).then(function (fixedFile) {
files.splice(i, 1, fixedFile);
}));
}
});
return $q.all(promises);
}
function resizeFile(files, attr, scope, ngModel) {
var resizeVal = upload.attrGetter('ngfResize', attr, scope);
if (!resizeVal || !upload.isResizeSupported() || !files.length) return upload.emptyPromise();
if (resizeVal instanceof Function) {
var defer = $q.defer();
return resizeVal(files).then(function (p) {
resizeWithParams(p, files, attr, scope, ngModel).then(function (r) {
defer.resolve(r);
}, function (e) {
defer.reject(e);
});
}, function (e) {
defer.reject(e);
});
} else {
return resizeWithParams(resizeVal, files, attr, scope, ngModel);
}
}
function resizeWithParams(params, files, attr, scope, ngModel) {
var promises = [upload.emptyPromise()];
function handleFile(f, i) {
if (f.type.indexOf('image') === 0) {
if (params.pattern && !upload.validatePattern(f, params.pattern)) return;
params.resizeIf = function (width, height) {
return upload.attrGetter('ngfResizeIf', attr, scope,
{$width: width, $height: height, $file: f});
};
var promise = upload.resize(f, params);
promises.push(promise);
promise.then(function (resizedFile) {
files.splice(i, 1, resizedFile);
}, function (e) {
f.$error = 'resize';
(f.$errorMessages = (f.$errorMessages || {})).resize = true;
f.$errorParam = (e ? (e.message ? e.message : e) + ': ' : '') + (f && f.name);
ngModel.$ngfValidations.push({name: 'resize', valid: false});
upload.applyModelValidation(ngModel, files);
});
}
}
for (var i = 0; i < files.length; i++) {
handleFile(files[i], i);
}
return $q.all(promises);
}
upload.updateModel = function (ngModel, attr, scope, fileChange, files, evt, noDelay) {
function update(files, invalidFiles, newFiles, dupFiles, isSingleModel) {
attr.$$ngfPrevValidFiles = files;
attr.$$ngfPrevInvalidFiles = invalidFiles;
var file = files && files.length ? files[0] : null;
var invalidFile = invalidFiles && invalidFiles.length ? invalidFiles[0] : null;
if (ngModel) {
upload.applyModelValidation(ngModel, files);
ngModel.$setViewValue(isSingleModel ? file : files);
}
if (fileChange) {
$parse(fileChange)(scope, {
$files: files,
$file: file,
$newFiles: newFiles,
$duplicateFiles: dupFiles,
$invalidFiles: invalidFiles,
$invalidFile: invalidFile,
$event: evt
});
}
var invalidModel = upload.attrGetter('ngfModelInvalid', attr);
if (invalidModel) {
$timeout(function () {
$parse(invalidModel).assign(scope, isSingleModel ? invalidFile : invalidFiles);
});
}
$timeout(function () {
// scope apply changes
});
}
var allNewFiles, dupFiles = [], prevValidFiles, prevInvalidFiles,
invalids = [], valids = [];
function removeDuplicates() {
function equals(f1, f2) {
return f1.name === f2.name && (f1.$ngfOrigSize || f1.size) === (f2.$ngfOrigSize || f2.size) &&
f1.type === f2.type;
}
function isInPrevFiles(f) {
var j;
for (j = 0; j < prevValidFiles.length; j++) {
if (equals(f, prevValidFiles[j])) {
return true;
}
}
for (j = 0; j < prevInvalidFiles.length; j++) {
if (equals(f, prevInvalidFiles[j])) {
return true;
}
}
return false;
}
if (files) {
allNewFiles = [];
dupFiles = [];
for (var i = 0; i < files.length; i++) {
if (isInPrevFiles(files[i])) {
dupFiles.push(files[i]);
} else {
allNewFiles.push(files[i]);
}
}
}
}
function toArray(v) {
return angular.isArray(v) ? v : [v];
}
function resizeAndUpdate() {
function updateModel() {
$timeout(function () {
update(keep ? prevValidFiles.concat(valids) : valids,
keep ? prevInvalidFiles.concat(invalids) : invalids,
files, dupFiles, isSingleModel);
}, options && options.debounce ? options.debounce.change || options.debounce : 0);
}
var resizingFiles = validateAfterResize ? allNewFiles : valids;
resizeFile(resizingFiles, attr, scope, ngModel).then(function () {
if (validateAfterResize) {
upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
.then(function (validationResult) {
valids = validationResult.validsFiles;
invalids = validationResult.invalidsFiles;
updateModel();
});
} else {
updateModel();
}
}, function () {
for (var i = 0; i < resizingFiles.length; i++) {
var f = resizingFiles[i];
if (f.$error === 'resize') {
var index = valids.indexOf(f);
if (index > -1) {
valids.splice(index, 1);
invalids.push(f);
}
updateModel();
}
}
});
}
prevValidFiles = attr.$$ngfPrevValidFiles || [];
prevInvalidFiles = attr.$$ngfPrevInvalidFiles || [];
if (ngModel && ngModel.$modelValue) {
prevValidFiles = toArray(ngModel.$modelValue);
}
var keep = upload.attrGetter('ngfKeep', attr, scope);
allNewFiles = (files || []).slice(0);
if (keep === 'distinct' || upload.attrGetter('ngfKeepDistinct', attr, scope) === true) {
removeDuplicates(attr, scope);
}
var isSingleModel = !keep && !upload.attrGetter('ngfMultiple', attr, scope) && !upload.attrGetter('multiple', attr);
if (keep && !allNewFiles.length) return;
upload.attrGetter('ngfBeforeModelChange', attr, scope, {
$files: files,
$file: files && files.length ? files[0] : null,
$newFiles: allNewFiles,
$duplicateFiles: dupFiles,
$event: evt
});
var validateAfterResize = upload.attrGetter('ngfValidateAfterResize', attr, scope);
var options = upload.attrGetter('ngfModelOptions', attr, scope);
upload.validate(allNewFiles, keep ? prevValidFiles.length : 0, ngModel, attr, scope)
.then(function (validationResult) {
if (noDelay) {
update(allNewFiles, [], files, dupFiles, isSingleModel);
} else {
if ((!options || !options.allowInvalid) && !validateAfterResize) {
valids = validationResult.validFiles;
invalids = validationResult.invalidFiles;
} else {
valids = allNewFiles;
}
if (upload.attrGetter('ngfFixOrientation', attr, scope) && upload.isExifSupported()) {
applyExifRotations(valids, attr, scope).then(function () {
resizeAndUpdate();
});
} else {
resizeAndUpdate();
}
}
});
};
return upload;
}]);
ngFileUpload.directive('ngfSelect', ['$parse', '$timeout', '$compile', 'Upload', function ($parse, $timeout, $compile, Upload) {
var generatedElems = [];
function isDelayedClickSupported(ua) {
// fix for android native browser < 4.4 and safari windows
var m = ua.match(/Android[^\d]*(\d+)\.(\d+)/);
if (m && m.length > 2) {
var v = Upload.defaults.androidFixMinorVersion || 4;
return parseInt(m[1]) < 4 || (parseInt(m[1]) === v && parseInt(m[2]) < v);
}
// safari on windows
return ua.indexOf('Chrome') === -1 && /.*Windows.*Safari.*/.test(ua);
}
function linkFileSelect(scope, elem, attr, ngModel, $parse, $timeout, $compile, upload) {
/** @namespace attr.ngfSelect */
/** @namespace attr.ngfChange */
/** @namespace attr.ngModel */
/** @namespace attr.ngfModelOptions */
/** @namespace attr.ngfMultiple */
/** @namespace attr.ngfCapture */
/** @namespace attr.ngfValidate */
/** @namespace attr.ngfKeep */
var attrGetter = function (name, scope) {
return upload.attrGetter(name, attr, scope);
};
function isInputTypeFile() {
return elem[0].tagName.toLowerCase() === 'input' && attr.type && attr.type.toLowerCase() === 'file';
}
function fileChangeAttr() {
return attrGetter('ngfChange') || attrGetter('ngfSelect');
}
function changeFn(evt) {
if (upload.shouldUpdateOn('change', attr, scope)) {
var fileList = evt.__files_ || (evt.target && evt.target.files), files = [];
/* Handle duplicate call in IE11 */
if (!fileList) return;
for (var i = 0; i < fileList.length; i++) {
files.push(fileList[i]);
}
upload.updateModel(ngModel, attr, scope, fileChangeAttr(),
files.length ? files : null, evt);
}
}
upload.registerModelChangeValidator(ngModel, attr, scope);
var unwatches = [];
if (attrGetter('ngfMultiple')) {
unwatches.push(scope.$watch(attrGetter('ngfMultiple'), function () {
fileElem.attr('multiple', attrGetter('ngfMultiple', scope));
}));
}
if (attrGetter('ngfCapture')) {
unwatches.push(scope.$watch(attrGetter('ngfCapture'), function () {
fileElem.attr('capture', attrGetter('ngfCapture', scope));
}));
}
if (attrGetter('ngfAccept')) {
unwatches.push(scope.$watch(attrGetter('ngfAccept'), function () {
fileElem.attr('accept', attrGetter('ngfAccept', scope));
}));
}
unwatches.push(attr.$observe('accept', function () {
fileElem.attr('accept', attrGetter('accept'));
}));
function bindAttrToFileInput(fileElem, label) {
function updateId(val) {
fileElem.attr('id', 'ngf-' + val);
label.attr('id', 'ngf-label-' + val);
}
for (var i = 0; i < elem[0].attributes.length; i++) {
var attribute = elem[0].attributes[i];
if (attribute.name !== 'type' && attribute.name !== 'class' && attribute.name !== 'style') {
if (attribute.name === 'id') {
updateId(attribute.value);
unwatches.push(attr.$observe('id', updateId));
} else {
fileElem.attr(attribute.name, (!attribute.value && (attribute.name === 'required' ||
attribute.name === 'multiple')) ? attribute.name : attribute.value);
}
}
}
}
function createFileInput() {
if (isInputTypeFile()) {
return elem;
}
var fileElem = angular.element('<input type="file">');
var label = angular.element('<label>upload</label>');
label.css('visibility', 'hidden').css('position', 'absolute').css('overflow', 'hidden')
.css('width', '0px').css('height', '0px').css('border', 'none')
.css('margin', '0px').css('padding', '0px').attr('tabindex', '-1');
bindAttrToFileInput(fileElem, label);
generatedElems.push({el: elem, ref: label});
document.body.appendChild(label.append(fileElem)[0]);
return fileElem;
}
function clickHandler(evt) {
if (elem.attr('disabled')) return false;
if (attrGetter('ngfSelectDisabled', scope)) return;
var r = detectSwipe(evt);
// prevent the click if it is a swipe
if (r != null) return r;
resetModel(evt);
// fix for md when the element is removed from the DOM and added back #460
try {
if (!isInputTypeFile() && !document.body.contains(fileElem[0])) {
generatedElems.push({el: elem, ref: fileElem.parent()});
document.body.appendChild(fileElem.parent()[0]);
fileElem.bind('change', changeFn);
}
} catch (e) {/*ignore*/
}
if (isDelayedClickSupported(navigator.userAgent)) {
setTimeout(function () {
fileElem[0].click();
}, 0);
} else {
fileElem[0].click();
}
return false;
}
var initialTouchStartY = 0;
var initialTouchStartX = 0;
function detectSwipe(evt) {
var touches = evt.changedTouches || (evt.originalEvent && evt.originalEvent.changedTouches);
if (touches) {
if (evt.type === 'touchstart') {
initialTouchStartX = touches[0].clientX;
initialTouchStartY = touches[0].clientY;
return true; // don't block event default
} else {
// prevent scroll from triggering event
if (evt.type === 'touchend') {
var currentX = touches[0].clientX;
var currentY = touches[0].clientY;
if ((Math.abs(currentX - initialTouchStartX) > 20) ||
(Math.abs(currentY - initialTouchStartY) > 20)) {
evt.stopPropagation();
evt.preventDefault();
return false;
}
}
return true;
}
}
}
var fileElem = elem;
function resetModel(evt) {
if (upload.shouldUpdateOn('click', attr, scope) && fileElem.val()) {
fileElem.val(null);
upload.updateModel(ngModel, attr, scope, fileChangeAttr(), null, evt, true);
}
}
if (!isInputTypeFile()) {
fileElem = createFileInput();
}
fileElem.bind('change', changeFn);
if (!isInputTypeFile()) {
elem.bind('click touchstart touchend', clickHandler);
} else {
elem.bind('click', resetModel);
}
function ie10SameFileSelectFix(evt) {
if (fileElem && !fileElem.attr('__ngf_ie10_Fix_')) {
if (!fileElem[0].parentNode) {
fileElem = null;
return;
}
evt.preventDefault();
evt.stopPropagation();
fileElem.unbind('click');
var clone = fileElem.clone();
fileElem.replaceWith(clone);
fileElem = clone;
fileElem.attr('__ngf_ie10_Fix_', 'true');
fileElem.bind('change', changeFn);
fileElem.bind('click', ie10SameFileSelectFix);
fileElem[0].click();
return false;
} else {
fileElem.removeAttr('__ngf_ie10_Fix_');
}
}
if (navigator.appVersion.indexOf('MSIE 10') !== -1) {
fileElem.bind('click', ie10SameFileSelectFix);
}
if (ngModel) ngModel.$formatters.push(function (val) {
if (val == null || val.length === 0) {
if (fileElem.val()) {
fileElem.val(null);
}
}
return val;
});
scope.$on('$destroy', function () {
if (!isInputTypeFile()) fileElem.parent().remove();
angular.forEach(unwatches, function (unwatch) {
unwatch();
});
});
$timeout(function () {
for (var i = 0; i < generatedElems.length; i++) {
var g = generatedElems[i];
if (!document.body.contains(g.el[0])) {
generatedElems.splice(i, 1);
g.ref.remove();
}
}
});
if (window.FileAPI && window.FileAPI.ngfFixIE) {
window.FileAPI.ngfFixIE(elem, fileElem, changeFn);
}
}
return {
restrict: 'AEC',
require: '?ngModel',
link: function (scope, elem, attr, ngModel) {
linkFileSelect(scope, elem, attr, ngModel, $parse, $timeout, $compile, Upload);
}
};
}]);
(function () {
ngFileUpload.service('UploadDataUrl', ['UploadBase', '$timeout', '$q', function (UploadBase, $timeout, $q) {
var upload = UploadBase;
upload.base64DataUrl = function (file) {
if (angular.isArray(file)) {
var d = $q.defer(), count = 0;
angular.forEach(file, function (f) {
upload.dataUrl(f, true)['finally'](function () {
count++;
if (count === file.length) {
var urls = [];
angular.forEach(file, function (ff) {
urls.push(ff.$ngfDataUrl);
});
d.resolve(urls, file);
}
});
});
return d.promise;
} else {
return upload.dataUrl(file, true);
}
};
upload.dataUrl = function (file, disallowObjectUrl) {
if (!file) return upload.emptyPromise(file, file);
if ((disallowObjectUrl && file.$ngfDataUrl != null) || (!disallowObjectUrl && file.$ngfBlobUrl != null)) {
return upload.emptyPromise(disallowObjectUrl ? file.$ngfDataUrl : file.$ngfBlobUrl, file);
}
var p = disallowObjectUrl ? file.$$ngfDataUrlPromise : file.$$ngfBlobUrlPromise;
if (p) return p;
var deferred = $q.defer();
$timeout(function () {
if (window.FileReader && file &&
(!window.FileAPI || navigator.userAgent.indexOf('MSIE 8') === -1 || file.size < 20000) &&
(!window.FileAPI || navigator.userAgent.indexOf('MSIE 9') === -1 || file.size < 4000000)) {
//prefer URL.createObjectURL for handling refrences to files of all sizes
//since it doesn´t build a large string in memory
var URL = window.URL || window.webkitURL;
if (URL && URL.createObjectURL && !disallowObjectUrl) {
var url;
try {
url = URL.createObjectURL(file);
} catch (e) {
$timeout(function () {
file.$ngfBlobUrl = '';
deferred.reject();
});
return;
}
$timeout(function () {
file.$ngfBlobUrl = url;
if (url) {
deferred.resolve(url, file);
upload.blobUrls = upload.blobUrls || [];
upload.blobUrlsTotalSize = upload.blobUrlsTotalSize || 0;
upload.blobUrls.push({url: url, size: file.size});
upload.blobUrlsTotalSize += file.size || 0;
var maxMemory = upload.defaults.blobUrlsMaxMemory || 268435456;
var maxLength = upload.defaults.blobUrlsMaxQueueSize || 200;
while ((upload.blobUrlsTotalSize > maxMemory || upload.blobUrls.length > maxLength) && upload.blobUrls.length > 1) {
var obj = upload.blobUrls.splice(0, 1)[0];
URL.revokeObjectURL(obj.url);
upload.blobUrlsTotalSize -= obj.size;
}
}
});
} else {
var fileReader = new FileReader();
fileReader.onload = function (e) {
$timeout(function () {
file.$ngfDataUrl = e.target.result;
deferred.resolve(e.target.result, file);
$timeout(function () {
delete file.$ngfDataUrl;
}, 1000);
});
};
fileReader.onerror = function () {
$timeout(function () {
file.$ngfDataUrl = '';
deferred.reject();
});
};
fileReader.readAsDataURL(file);
}
} else {
$timeout(function () {
file[disallowObjectUrl ? '$ngfDataUrl' : '$ngfBlobUrl'] = '';
deferred.reject();
});
}
});
if (disallowObjectUrl) {
p = file.$$ngfDataUrlPromise = deferred.promise;
} else {
p = file.$$ngfBlobUrlPromise = deferred.promise;
}
p['finally'](function () {
delete file[disallowObjectUrl ? '$$ngfDataUrlPromise' : '$$ngfBlobUrlPromise'];
});
return p;
};
return upload;
}]);
function getTagType(el) {
if (el.tagName.toLowerCase() === 'img') return 'image';
if (el.tagName.toLowerCase() === 'audio') return 'audio';
if (el.tagName.toLowerCase() === 'video') return 'video';
return /./;
}
function linkFileDirective(Upload, $timeout, scope, elem, attr, directiveName, resizeParams, isBackground) {
function constructDataUrl(file) {
var disallowObjectUrl = Upload.attrGetter('ngfNoObjectUrl', attr, scope);
Upload.dataUrl(file, disallowObjectUrl)['finally'](function () {
$timeout(function () {
var src = (disallowObjectUrl ? file.$ngfDataUrl : file.$ngfBlobUrl) || file.$ngfDataUrl;
if (isBackground) {
elem.css('background-image', 'url(\'' + (src || '') + '\')');
} else {
elem.attr('src', src);
}
if (src) {
elem.removeClass('ng-hide');
} else {
elem.addClass('ng-hide');
}
});
});
}
$timeout(function () {
var unwatch = scope.$watch(attr[directiveName], function (file) {
var size = resizeParams;
if (directiveName === 'ngfThumbnail') {
if (!size) {
size = {
width: elem[0].naturalWidth || elem[0].clientWidth,
height: elem[0].naturalHeight || elem[0].clientHeight
};
}