+++ /dev/null
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
-</head>
-<body onload="prettyPrint();">
- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-/*
-* Portions of this file are based on pieces of Yahoo User Interface Library
-* Copyright (c) 2007, Yahoo! Inc. All rights reserved.
-* YUI licensed under the BSD License:
-* http://developer.yahoo.net/yui/license.txt
-*/
-Ext.lib.Ajax = function() {
- var activeX = ['Msxml2.XMLHTTP.6.0',
- 'Msxml2.XMLHTTP.3.0',
- 'Msxml2.XMLHTTP'],
- CONTENTTYPE = 'Content-Type';
-
- // private
- function setHeader(o) {
- var conn = o.conn,
- prop,
- headers = {};
-
- function setTheHeaders(conn, headers){
- for (prop in headers) {
- if (headers.hasOwnProperty(prop)) {
- conn.setRequestHeader(prop, headers[prop]);
- }
- }
- }
-
- Ext.apply(headers, pub.headers, pub.defaultHeaders);
- setTheHeaders(conn, headers);
- delete pub.headers;
- }
-
- // private
- function createExceptionObject(tId, callbackArg, isAbort, isTimeout) {
- return {
- tId : tId,
- status : isAbort ? -1 : 0,
- statusText : isAbort ? 'transaction aborted' : 'communication failure',
- isAbort: isAbort,
- isTimeout: isTimeout,
- argument : callbackArg
- };
- }
-
- // private
- function initHeader(label, value) {
- (pub.headers = pub.headers || {})[label] = value;
- }
-
- // private
- function createResponseObject(o, callbackArg) {
- var headerObj = {},
- headerStr,
- conn = o.conn,
- t,
- s,
- // see: https://prototype.lighthouseapp.com/projects/8886/tickets/129-ie-mangles-http-response-status-code-204-to-1223
- isBrokenStatus = conn.status == 1223;
-
- try {
- headerStr = o.conn.getAllResponseHeaders();
- Ext.each(headerStr.replace(/\r\n/g, '\n').split('\n'), function(v){
- t = v.indexOf(':');
- if(t >= 0){
- s = v.substr(0, t).toLowerCase();
- if(v.charAt(t + 1) == ' '){
- ++t;
- }
- headerObj[s] = v.substr(t + 1);
- }
- });
- } catch(e) {}
-
- return {
- tId : o.tId,
- // Normalize the status and statusText when IE returns 1223, see the above link.
- status : isBrokenStatus ? 204 : conn.status,
- statusText : isBrokenStatus ? 'No Content' : conn.statusText,
- getResponseHeader : function(header){return headerObj[header.toLowerCase()];},
- getAllResponseHeaders : function(){return headerStr;},
- responseText : conn.responseText,
- responseXML : conn.responseXML,
- argument : callbackArg
- };
- }
-
- // private
- function releaseObject(o) {
- if (o.tId) {
- pub.conn[o.tId] = null;
- }
- o.conn = null;
- o = null;
- }
-
- // private
- function handleTransactionResponse(o, callback, isAbort, isTimeout) {
- if (!callback) {
- releaseObject(o);
- return;
- }
-
- var httpStatus, responseObject;
-
- try {
- if (o.conn.status !== undefined && o.conn.status != 0) {
- httpStatus = o.conn.status;
- }
- else {
- httpStatus = 13030;
- }
- }
- catch(e) {
- httpStatus = 13030;
- }
-
- if ((httpStatus >= 200 && httpStatus < 300) || (Ext.isIE && httpStatus == 1223)) {
- responseObject = createResponseObject(o, callback.argument);
- if (callback.success) {
- if (!callback.scope) {
- callback.success(responseObject);
- }
- else {
- callback.success.apply(callback.scope, [responseObject]);
- }
- }
- }
- else {
- switch (httpStatus) {
- case 12002:
- case 12029:
- case 12030:
- case 12031:
- case 12152:
- case 13030:
- responseObject = createExceptionObject(o.tId, callback.argument, (isAbort ? isAbort : false), isTimeout);
- if (callback.failure) {
- if (!callback.scope) {
- callback.failure(responseObject);
- }
- else {
- callback.failure.apply(callback.scope, [responseObject]);
- }
- }
- break;
- default:
- responseObject = createResponseObject(o, callback.argument);
- if (callback.failure) {
- if (!callback.scope) {
- callback.failure(responseObject);
- }
- else {
- callback.failure.apply(callback.scope, [responseObject]);
- }
- }
- }
- }
-
- releaseObject(o);
- responseObject = null;
- }
-
- function checkResponse(o, callback, conn, tId, poll, cbTimeout){
- if (conn && conn.readyState == 4) {
- clearInterval(poll[tId]);
- poll[tId] = null;
-
- if (cbTimeout) {
- clearTimeout(pub.timeout[tId]);
- pub.timeout[tId] = null;
- }
- handleTransactionResponse(o, callback);
- }
- }
-
- function checkTimeout(o, callback){
- pub.abort(o, callback, true);
- }
-
-
- // private
- function handleReadyState(o, callback){
- callback = callback || {};
- var conn = o.conn,
- tId = o.tId,
- poll = pub.poll,
- cbTimeout = callback.timeout || null;
-
- if (cbTimeout) {
- pub.conn[tId] = conn;
- pub.timeout[tId] = setTimeout(checkTimeout.createCallback(o, callback), cbTimeout);
- }
- poll[tId] = setInterval(checkResponse.createCallback(o, callback, conn, tId, poll, cbTimeout), pub.pollInterval);
- }
-
- // private
- function asyncRequest(method, uri, callback, postData) {
- var o = getConnectionObject() || null;
-
- if (o) {
- o.conn.open(method, uri, true);
-
- if (pub.useDefaultXhrHeader) {
- initHeader('X-Requested-With', pub.defaultXhrHeader);
- }
-
- if(postData && pub.useDefaultHeader && (!pub.headers || !pub.headers[CONTENTTYPE])){
- initHeader(CONTENTTYPE, pub.defaultPostHeader);
- }
-
- if (pub.defaultHeaders || pub.headers) {
- setHeader(o);
- }
-
- handleReadyState(o, callback);
- o.conn.send(postData || null);
- }
- return o;
- }
-
- // private
- function getConnectionObject() {
- var o;
-
- try {
- if (o = createXhrObject(pub.transactionId)) {
- pub.transactionId++;
- }
- } catch(e) {
- } finally {
- return o;
- }
- }
-
- // private
- function createXhrObject(transactionId) {
- var http;
-
- try {
- http = new XMLHttpRequest();
- } catch(e) {
- for (var i = 0; i < activeX.length; ++i) {
- try {
- http = new ActiveXObject(activeX[i]);
- break;
- } catch(e) {}
- }
- } finally {
- return {conn : http, tId : transactionId};
- }
- }
-
- var pub = {
- request : function(method, uri, cb, data, options) {
- if(options){
- var me = this,
- xmlData = options.xmlData,
- jsonData = options.jsonData,
- hs;
-
- Ext.applyIf(me, options);
-
- if(xmlData || jsonData){
- hs = me.headers;
- if(!hs || !hs[CONTENTTYPE]){
- initHeader(CONTENTTYPE, xmlData ? 'text/xml' : 'application/json');
- }
- data = xmlData || (!Ext.isPrimitive(jsonData) ? Ext.encode(jsonData) : jsonData);
- }
- }
- return asyncRequest(method || options.method || "POST", uri, cb, data);
- },
-
- serializeForm : function(form) {
- var fElements = form.elements || (document.forms[form] || Ext.getDom(form)).elements,
- hasSubmit = false,
- encoder = encodeURIComponent,
- name,
- data = '',
- type,
- hasValue;
-
- Ext.each(fElements, function(element){
- name = element.name;
- type = element.type;
-
- if (!element.disabled && name) {
- if (/select-(one|multiple)/i.test(type)) {
- Ext.each(element.options, function(opt){
- if (opt.selected) {
- hasValue = opt.hasAttribute ? opt.hasAttribute('value') : opt.getAttributeNode('value').specified;
- data += String.format("{0}={1}&", encoder(name), encoder(hasValue ? opt.value : opt.text));
- }
- });
- } else if (!(/file|undefined|reset|button/i.test(type))) {
- if (!(/radio|checkbox/i.test(type) && !element.checked) && !(type == 'submit' && hasSubmit)) {
- data += encoder(name) + '=' + encoder(element.value) + '&';
- hasSubmit = /submit/i.test(type);
- }
- }
- }
- });
- return data.substr(0, data.length - 1);
- },
-
- useDefaultHeader : true,
- defaultPostHeader : 'application/x-www-form-urlencoded; charset=UTF-8',
- useDefaultXhrHeader : true,
- defaultXhrHeader : 'XMLHttpRequest',
- poll : {},
- timeout : {},
- conn: {},
- pollInterval : 50,
- transactionId : 0,
-
-// This is never called - Is it worth exposing this?
-// setProgId : function(id) {
-// activeX.unshift(id);
-// },
-
-// This is never called - Is it worth exposing this?
-// setDefaultPostHeader : function(b) {
-// this.useDefaultHeader = b;
-// },
-
-// This is never called - Is it worth exposing this?
-// setDefaultXhrHeader : function(b) {
-// this.useDefaultXhrHeader = b;
-// },
-
-// This is never called - Is it worth exposing this?
-// setPollingInterval : function(i) {
-// if (typeof i == 'number' && isFinite(i)) {
-// this.pollInterval = i;
-// }
-// },
-
-// This is never called - Is it worth exposing this?
-// resetDefaultHeaders : function() {
-// this.defaultHeaders = null;
-// },
-
- abort : function(o, callback, isTimeout) {
- var me = this,
- tId = o.tId,
- isAbort = false;
-
- if (me.isCallInProgress(o)) {
- o.conn.abort();
- clearInterval(me.poll[tId]);
- me.poll[tId] = null;
- clearTimeout(pub.timeout[tId]);
- me.timeout[tId] = null;
-
- handleTransactionResponse(o, callback, (isAbort = true), isTimeout);
- }
- return isAbort;
- },
-
- isCallInProgress : function(o) {
- // if there is a connection and readyState is not 0 or 4
- return o.conn && !{0:true,4:true}[o.conn.readyState];
- }
- };
- return pub;
-}();</pre>
-</body>
-</html>
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git.ithinksw.org / extjs.git / blobdiff