470 lines
13 KiB
JavaScript
470 lines
13 KiB
JavaScript
webshim.register('filereader', function($, webshim, window, document, undefined, featureOptions){
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"use strict";
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var mOxie, moxie, hasXDomain;
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var FormData = $.noop;
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var sel = 'input[type="file"].ws-filereader';
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var loadMoxie = function (){
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webshim.loader.loadList(['moxie']);
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};
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var _createFilePicker = function(){
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var $input, picker, $parent, onReset;
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var input = this;
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if(webshim.implement(input, 'filepicker')){
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input = this;
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$input = $(this);
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$parent = $input.parent();
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onReset = function(){
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if(!input.value){
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$input.prop('value', '');
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}
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};
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$input.attr('tabindex', '-1').on('mousedown.filereaderwaiting click.filereaderwaiting', false);
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$parent.addClass('ws-loading');
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picker = new mOxie.FileInput({
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browse_button: this,
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accept: $.prop(this, 'accept'),
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multiple: $.prop(this, 'multiple')
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});
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$input.jProp('form').on('reset', function(){
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setTimeout(onReset);
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});
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picker.onready = function(){
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$input.off('.fileraderwaiting');
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$parent.removeClass('ws-waiting');
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};
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picker.onchange = function(e){
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webshim.data(input, 'fileList', e.target.files);
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$input.trigger('change');
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};
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picker.onmouseenter = function(){
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$input.trigger('mouseover');
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$parent.addClass('ws-mouseenter');
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};
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picker.onmouseleave = function(){
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$input.trigger('mouseout');
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$parent.removeClass('ws-mouseenter');
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};
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picker.onmousedown = function(){
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$input.trigger('mousedown');
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$parent.addClass('ws-active');
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};
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picker.onmouseup = function(){
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$input.trigger('mouseup');
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$parent.removeClass('ws-active');
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};
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webshim.data(input, 'filePicker', picker);
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webshim.ready('WINDOWLOAD', function(){
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var lastWidth;
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$input.onWSOff('updateshadowdom', function(){
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var curWitdth = input.offsetWidth;
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if(curWitdth && lastWidth != curWitdth){
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lastWidth = curWitdth;
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picker.refresh();
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}
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});
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});
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webshim.addShadowDom();
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picker.init();
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if(input.disabled){
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picker.disable(true);
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}
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}
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};
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var getFileNames = function(file){
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return file.name;
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};
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var createFilePicker = function(){
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var elem = this;
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loadMoxie();
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$(elem)
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.on('mousedown.filereaderwaiting click.filereaderwaiting', false)
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.parent()
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.addClass('ws-loading')
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;
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webshim.ready('moxie', function(){
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createFilePicker.call(elem);
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});
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};
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var noxhr = /^(?:script|jsonp)$/i;
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var notReadyYet = function(){
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loadMoxie();
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webshim.error('filereader/formdata not ready yet. please wait for moxie to load `webshim.ready("moxie", callbackFn);`` or wait for the first change event on input[type="file"].ws-filereader.')
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};
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var inputValueDesc = webshim.defineNodeNameProperty('input', 'value', {
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prop: {
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get: function(){
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var fileList = webshim.data(this, 'fileList');
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if(fileList && fileList.map){
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return fileList.map(getFileNames).join(', ');
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}
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return inputValueDesc.prop._supget.call(this);
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}
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}
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}
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);
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var shimMoxiePath = webshim.cfg.basePath+'moxie/';
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var crossXMLMessage = 'You nedd a crossdomain.xml to get all "filereader" / "XHR2" / "CORS" features to work. Or host moxie.swf/moxie.xap on your server an configure filereader options: "swfpath"/"xappath"';
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var testMoxie = function(options){
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return (options.wsType == 'moxie' || (options.data && options.data instanceof mOxie.FormData) || (options.crossDomain && $.support.cors !== false && hasXDomain != 'no' && !noxhr.test(options.dataType || '')));
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};
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var createMoxieTransport = function (options){
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if(testMoxie(options)){
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var ajax;
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webshim.info('moxie transfer used for $.ajax');
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if(hasXDomain == 'no'){
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webshim.error(crossXMLMessage);
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}
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return {
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send: function( headers, completeCallback ) {
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var proressEvent = function(obj, name){
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if(options[name]){
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var called = false;
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ajax.addEventListener('load', function(e){
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if(!called){
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options[name]({type: 'progress', lengthComputable: true, total: 1, loaded: 1});
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} else if(called.lengthComputable && called.total > called.loaded){
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options[name]({type: 'progress', lengthComputable: true, total: called.total, loaded: called.total});
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}
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});
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obj.addEventListener('progress', function(e){
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called = e;
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options[name](e);
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});
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}
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};
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ajax = new moxie.xhr.XMLHttpRequest();
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ajax.open(options.type, options.url, options.async, options.username, options.password);
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proressEvent(ajax.upload, featureOptions.uploadprogress);
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proressEvent(ajax.upload, featureOptions.progress);
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ajax.addEventListener('load', function(e){
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var responses = {
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text: ajax.responseText,
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xml: ajax.responseXML
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};
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completeCallback(ajax.status, ajax.statusText, responses, ajax.getAllResponseHeaders());
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});
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if(options.xhrFields && options.xhrFields.withCredentials){
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ajax.withCredentials = true;
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}
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if(options.timeout){
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ajax.timeout = options.timeout;
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}
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$.each(headers, function(name, value){
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ajax.setRequestHeader(name, value);
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});
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ajax.send(options.data);
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},
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abort: function() {
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if(ajax){
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ajax.abort();
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}
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}
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};
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}
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};
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var transports = {
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//based on script: https://github.com/MoonScript/jQuery-ajaxTransport-XDomainRequest
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xdomain: (function(){
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var httpRegEx = /^https?:\/\//i;
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var getOrPostRegEx = /^get|post$/i;
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var sameSchemeRegEx = new RegExp('^'+location.protocol, 'i');
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return function(options, userOptions, jqXHR) {
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// Only continue if the request is: asynchronous, uses GET or POST method, has HTTP or HTTPS protocol, and has the same scheme as the calling page
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if (!options.crossDomain || options.username || (options.xhrFields && options.xhrFields.withCredentials) || !options.async || !getOrPostRegEx.test(options.type) || !httpRegEx.test(options.url) || !sameSchemeRegEx.test(options.url) || (options.data && options.data instanceof mOxie.FormData) || noxhr.test(options.dataType || '')) {
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return;
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}
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var xdr = null;
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webshim.info('xdomain transport used.');
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return {
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send: function(headers, complete) {
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var postData = '';
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var userType = (userOptions.dataType || '').toLowerCase();
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xdr = new XDomainRequest();
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if (/^\d+$/.test(userOptions.timeout)) {
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xdr.timeout = userOptions.timeout;
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}
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xdr.ontimeout = function() {
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complete(500, 'timeout');
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};
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xdr.onload = function() {
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var allResponseHeaders = 'Content-Length: ' + xdr.responseText.length + '\r\nContent-Type: ' + xdr.contentType;
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var status = {
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code: xdr.status || 200,
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message: xdr.statusText || 'OK'
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};
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var responses = {
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text: xdr.responseText,
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xml: xdr.responseXML
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};
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try {
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if (userType === 'html' || /text\/html/i.test(xdr.contentType)) {
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responses.html = xdr.responseText;
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} else if (userType === 'json' || (userType !== 'text' && /\/json/i.test(xdr.contentType))) {
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try {
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responses.json = $.parseJSON(xdr.responseText);
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} catch(e) {
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}
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} else if (userType === 'xml' && !xdr.responseXML) {
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var doc;
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try {
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doc = new ActiveXObject('Microsoft.XMLDOM');
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doc.async = false;
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doc.loadXML(xdr.responseText);
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} catch(e) {
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}
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responses.xml = doc;
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}
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} catch(parseMessage) {}
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complete(status.code, status.message, responses, allResponseHeaders);
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};
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// set an empty handler for 'onprogress' so requests don't get aborted
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xdr.onprogress = function(){};
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xdr.onerror = function() {
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complete(500, 'error', {
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text: xdr.responseText
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});
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};
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if (userOptions.data) {
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postData = ($.type(userOptions.data) === 'string') ? userOptions.data : $.param(userOptions.data);
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}
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xdr.open(options.type, options.url);
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xdr.send(postData);
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},
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abort: function() {
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if (xdr) {
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xdr.abort();
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}
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}
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};
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};
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})(),
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moxie: function (options, originalOptions, jqXHR){
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if(testMoxie(options)){
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loadMoxie(options);
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var ajax;
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var tmpTransport = {
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send: function( headers, completeCallback ) {
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ajax = true;
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webshim.ready('moxie', function(){
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if(ajax){
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ajax = createMoxieTransport(options, originalOptions, jqXHR);
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tmpTransport.send = ajax.send;
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tmpTransport.abort = ajax.abort;
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ajax.send(headers, completeCallback);
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}
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});
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},
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abort: function() {
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ajax = false;
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}
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};
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return tmpTransport;
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}
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}
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};
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if(!featureOptions.progress){
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featureOptions.progress = 'onprogress';
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}
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if(!featureOptions.uploadprogress){
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featureOptions.uploadprogress = 'onuploadprogress';
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}
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if(!featureOptions.swfpath){
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featureOptions.swfpath = shimMoxiePath+'flash/Moxie.min.swf';
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}
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if(!featureOptions.xappath){
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featureOptions.xappath = shimMoxiePath+'silverlight/Moxie.min.xap';
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}
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if($.support.cors !== false || !window.XDomainRequest){
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delete transports.xdomain;
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}
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$.ajaxTransport("+*", function( options, originalOptions, jqXHR ) {
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var ajax, type;
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if(options.wsType || transports[transports]){
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ajax = transports[transports](options, originalOptions, jqXHR);
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}
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if(!ajax){
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for(type in transports){
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ajax = transports[type](options, originalOptions, jqXHR);
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if(ajax){break;}
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}
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}
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return ajax;
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});
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webshim.defineNodeNameProperty('input', 'files', {
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prop: {
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writeable: false,
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get: function(){
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if(this.type != 'file'){return null;}
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if(!$(this).hasClass('ws-filereader')){
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webshim.info("please add the 'ws-filereader' class to your input[type='file'] to implement files-property");
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}
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return webshim.data(this, 'fileList') || [];
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}
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}
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}
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);
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webshim.reflectProperties(['input'], ['accept']);
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if($('<input />').prop('multiple') == null){
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webshim.defineNodeNamesBooleanProperty(['input'], ['multiple']);
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}
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webshim.onNodeNamesPropertyModify('input', 'disabled', function(value, boolVal, type){
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var picker = webshim.data(this, 'filePicker');
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if(picker){
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picker.disable(boolVal);
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}
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});
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webshim.onNodeNamesPropertyModify('input', 'value', function(value, boolVal, type){
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if(value === '' && this.type == 'file' && $(this).hasClass('ws-filereader')){
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webshim.data(this, 'fileList', []);
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}
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});
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window.FileReader = notReadyYet;
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window.FormData = notReadyYet;
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webshim.ready('moxie', function(){
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var wsMimes = 'application/xml,xml';
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moxie = window.moxie;
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mOxie = window.mOxie;
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mOxie.Env.swf_url = featureOptions.swfpath;
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mOxie.Env.xap_url = featureOptions.xappath;
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window.FileReader = mOxie.FileReader;
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window.FormData = function(form){
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var appendData, i, len, files, fileI, fileLen, inputName;
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var moxieData = new mOxie.FormData();
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if(form && $.nodeName(form, 'form')){
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appendData = $(form).serializeArray();
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for(i = 0; i < appendData.length; i++){
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if(Array.isArray(appendData[i].value)){
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appendData[i].value.forEach(function(val){
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moxieData.append(appendData[i].name, val);
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});
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} else {
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moxieData.append(appendData[i].name, appendData[i].value);
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}
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}
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appendData = form.querySelectorAll('input[type="file"][name]');
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for(i = 0, len = appendData.length; i < appendData.length; i++){
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inputName = appendData[i].name;
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if(inputName && !$(appendData[i]).is(':disabled')){
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files = $.prop(appendData[i], 'files') || [];
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if(files.length){
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if(files.length > 1 || (moxieData.hasBlob && moxieData.hasBlob())){
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webshim.error('FormData shim can only handle one file per ajax. Use multiple ajax request. One per file.');
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}
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for(fileI = 0, fileLen = files.length; fileI < fileLen; fileI++){
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moxieData.append(inputName, files[fileI]);
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}
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}
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}
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}
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}
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return moxieData;
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};
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FormData = window.FormData;
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createFilePicker = _createFilePicker;
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transports.moxie = createMoxieTransport;
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featureOptions.mimeTypes = (featureOptions.mimeTypes) ? wsMimes+','+featureOptions.mimeTypes : wsMimes;
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try {
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mOxie.Mime.addMimeType(featureOptions.mimeTypes);
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} catch(e){
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webshim.warn('mimetype to moxie error: '+e);
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}
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});
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webshim.addReady(function(context, contextElem){
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$(context.querySelectorAll(sel)).add(contextElem.filter(sel)).each(createFilePicker);
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});
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webshim.ready('WINDOWLOAD', loadMoxie);
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if(webshim.cfg.debug !== false && featureOptions.swfpath.indexOf((location.protocol+'//'+location.hostname)) && featureOptions.swfpath.indexOf(('https://'+location.hostname))){
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webshim.ready('WINDOWLOAD', function(){
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var printMessage = function(){
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if(hasXDomain == 'no'){
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webshim.error(crossXMLMessage);
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}
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};
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try {
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hasXDomain = sessionStorage.getItem('wsXdomain.xml');
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} catch(e){}
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printMessage();
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if(hasXDomain == null){
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$.ajax({
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url: 'crossdomain.xml',
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type: 'HEAD',
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dataType: 'xml',
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success: function(){
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hasXDomain = 'yes';
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},
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error: function(){
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hasXDomain = 'no';
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},
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complete: function(){
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try {
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sessionStorage.setItem('wsXdomain.xml', hasXDomain);
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} catch(e){}
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printMessage();
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}
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});
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}
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});
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}
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});
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