Web.Admin/z-scripts/ng-file-upload-shim.js
/**!
* AngularJS file upload/drop directive and service with progress and abort
* FileAPI Flash shim for old browsers not supporting FormData
* @author Danial <danial.farid@gmail.com>
* @version 4.2.1
*/
(function() {
var hasFlash = function() {
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 patchXHR(fnName, newFn) {
window.XMLHttpRequest.prototype[fnName] = newFn(window.XMLHttpRequest.prototype[fnName]);
};
if ((window.XMLHttpRequest && !window.FormData) || (window.FileAPI && FileAPI.forceLoad)) {
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, b) {
xhr.__listeners[t] = fn;
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);
}
}
});
function redefineProp(xhr, prop, fn) {
try {
Object.defineProperty(xhr, prop, {get: fn});
} catch (e) {/*ignore*/}
}
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) {
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;
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 (!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;
function isInputTypeFile(elem) {
return elem[0].tagName.toLowerCase() === 'input' && elem.attr('type') && elem.attr('type').toLowerCase() === 'file';
}
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 () {
//load FileAPI
if (!window.FileAPI) {
window.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.hasFlash = hasFlash();
}
})();
FileAPI.ngfFixIE = function(elem, createFileElemFn, bindAttr, changeFn, resetModel) {
if (!hasFlash()) {
throw 'Adode Flash Player need to be installed. To check ahead use "FileAPI.hasFlash"';
}
var makeFlashInput = function(evt) {
if (elem.attr('disabled')) {
elem.__ngf_elem__.removeClass('js-fileapi-wrapper');
} else {
var fileElem = elem.__ngf_elem__;
if (!fileElem) {
fileElem = elem.__ngf_elem__ = createFileElemFn();
fileElem.addClass('js-fileapi-wrapper');
if (!isInputTypeFile(elem)) {
// if (fileElem.parent().css('position') === '' || fileElem.parent().css('position') === 'static') {
// fileElem.parent().css('position', 'relative');
// }
// elem.parent()[0].insertBefore(fileElem[0], elem[0]);
// elem.css('overflow', 'hidden');
}
setTimeout(function() {
fileElem.bind('mouseenter', makeFlashInput);
}, 10);
fileElem.bind('change', function(evt) {
fileApiChangeFn.apply(this, [evt]);
changeFn.apply(this, [evt]);
// alert('change' + evt);
});
} else {
bindAttr(elem.__ngf_elem__);
}
if (!isInputTypeFile(elem)) {
fileElem.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');
}
}
function getOffset(obj) {
var left, top;
left = top = 0;
if (obj.offsetParent) {
do {
left += obj.offsetLeft;
top += obj.offsetTop;
} while (obj = obj.offsetParent);
}
return {
left : left,
top : top
};
};
};
elem.bind('mouseenter', makeFlashInput);
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) {
_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;
_this.onloadstart && _this.onloadstart(constructEvent('loadstart', evt));
}
if (evt.type === 'load') {
_this.onloadend && _this.onloadend(constructEvent('loadend', evt));
var e = constructEvent('load', evt);
_this.onload && _this.onload(e);
_this.dispatchEvent(e);
} else if (evt.type === 'progress') {
var e = constructEvent('progress', evt);
_this.onprogress && _this.onprogress(e);
_this.dispatchEvent(e);
} else {
var e = constructEvent('error', evt);
_this.onerror && _this.onerror(e);
_this.dispatchEvent(e);
}
};
this.readAsArrayBuffer = function(file) {
FileAPI.readAsBinaryString(file, listener);
}
this.readAsBinaryString = function(file) {
FileAPI.readAsBinaryString(file, listener);
}
this.readAsDataURL = function(file) {
FileAPI.readAsDataURL(file, listener);
}
this.readAsText = function(file) {
FileAPI.readAsText(file, listener);
}
}
}
})();