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xhr.js
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xhr.js
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/*
* Copyright (c) 2013 Ilshad Khabibullin, ilshad.com
* Licensed under the MIT license.
*
* orgtree.xhr
*/
var orgtree = (function (orgtree) {
function XHR() {
return new XMLHttpRequest();
}
function GET(data) {
var url = data.url,
callback = data.callback;
var xhr = XHR();
orgtree.util.spinner(true);
xhr.open('GET', url, true);
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
callback(xhr.responseText);
orgtree.util.spinner(false);
}
}
xhr.send();
}
function PUT(data) {
var url = data.url,
body = data.body,
contentType = data.contentType || 'text/plain;charset=UTF-8',
status = data.status || 200,
callback = data.callback || function () {};
var xhr = XHR();
xhr.open('PUT', url, true);
xhr.setRequestHeader('content-type', contentType);
xhr.onreadystatechange = function () {
if (xhr.readyState == 1) {
orgtree.util.spinner(true);
} else if (xhr.readyState == 4 && xhr.status == status) {
callback(xhr.responseText);
orgtree.util.spinner(false);
}
}
xhr.send(body);
}
function POST(data) {
var url = data.url,
body = data.body || '',
contentType = data.contentType || 'application/x-www-form-urlencoded;charset=UTF-8',
status = data.status || 200,
callback = data.callback || function () {};
var xhr = XHR();
orgtree.util.spinner(true);
xhr.open('POST', url, true);
xhr.setRequestHeader('content-type', contentType);
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == status) {
callback(xhr.responseText);
orgtree.util.spinner(false);
}
}
xhr.send(body);
}
function DELETE(data) {
var url = data.url,
callback = data.callback || function () {};
var xhr = XHR();
orgtree.util.spinner(true);
xhr.open('DELETE', url, true);
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 204) {
callback();
orgtree.util.spinner(false);
}
}
xhr.send();
}
orgtree.xhr = {
GET: GET,
PUT: PUT,
POST: POST,
DELETE: DELETE
}
return orgtree;
}(orgtree || {}));