alpaca
Version:
Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide
121 lines (114 loc) • 4.1 kB
JavaScript
/*
* jQuery postMessage Transport Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2011, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/MIT
*/
/* global define, require, window, document */
(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
// Register as an anonymous AMD module:
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS:
factory(require('jquery'));
} else {
// Browser globals:
factory(window.jQuery);
}
}(function ($) {
'use strict';
var counter = 0,
names = [
'accepts',
'cache',
'contents',
'contentType',
'crossDomain',
'data',
'dataType',
'headers',
'ifModified',
'mimeType',
'password',
'processData',
'timeout',
'traditional',
'type',
'url',
'username'
],
convert = function (p) {
return p;
};
$.ajaxSetup({
converters: {
'postmessage text': convert,
'postmessage json': convert,
'postmessage html': convert
}
});
$.ajaxTransport('postmessage', function (options) {
if (options.postMessage && window.postMessage) {
var iframe,
loc = $('<a>').prop('href', options.postMessage)[0],
target = loc.protocol + '//' + loc.host,
xhrUpload = options.xhr().upload;
return {
send: function (_, completeCallback) {
counter += 1;
var message = {
id: 'postmessage-transport-' + counter
},
eventName = 'message.' + message.id;
iframe = $(
'<iframe style="display:none;" src="' +
options.postMessage + '" name="' +
message.id + '"></iframe>'
).bind('load', function () {
$.each(names, function (i, name) {
message[name] = options[name];
});
message.dataType = message.dataType.replace('postmessage ', '');
$(window).bind(eventName, function (e) {
e = e.originalEvent;
var data = e.data,
ev;
if (e.origin === target && data.id === message.id) {
if (data.type === 'progress') {
ev = document.createEvent('Event');
ev.initEvent(data.type, false, true);
$.extend(ev, data);
xhrUpload.dispatchEvent(ev);
} else {
completeCallback(
data.status,
data.statusText,
{postmessage: data.result},
data.headers
);
iframe.remove();
$(window).unbind(eventName);
}
}
});
iframe[0].contentWindow.postMessage(
message,
target
);
}).appendTo(document.body);
},
abort: function () {
if (iframe) {
iframe.remove();
}
}
};
}
});
}));