E._tryPreloadAttach();
})();
+/*
+ * 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
+ * <script type="text/javascript">
+ *
+ */
+
+(function() {
+
+ Roo.lib.Ajax = {
+ request : function(method, uri, cb, data, options) {
+ if(options){
+ var hs = options.headers;
+ if(hs){
+ for(var h in hs){
+ if(hs.hasOwnProperty(h)){
+ this.initHeader(h, hs[h], false);
+ }
+ }
+ }
+ if(options.xmlData){
+ this.initHeader('Content-Type', 'text/xml', false);
+ method = 'POST';
+ data = options.xmlData;
+ }
+ }
+
+ return this.asyncRequest(method, uri, cb, data);
+ },
+
+ serializeForm : function(form) {
+ if(typeof form == 'string') {
+ form = (document.getElementById(form) || document.forms[form]);
+ }
+
+ var el, name, val, disabled, data = '', hasSubmit = false;
+ for (var i = 0; i < form.elements.length; i++) {
+ el = form.elements[i];
+ disabled = form.elements[i].disabled;
+ name = form.elements[i].name;
+ val = form.elements[i].value;
+
+ if (!disabled && name){
+ switch (el.type)
+ {
+ case 'select-one':
+ case 'select-multiple':
+ for (var j = 0; j < el.options.length; j++) {
+ if (el.options[j].selected) {
+ if (Roo.isIE) {
+ data += encodeURIComponent(name) + '=' + encodeURIComponent(el.options[j].attributes['value'].specified ? el.options[j].value : el.options[j].text) + '&';
+ }
+ else {
+ data += encodeURIComponent(name) + '=' + encodeURIComponent(el.options[j].hasAttribute('value') ? el.options[j].value : el.options[j].text) + '&';
+ }
+ }
+ }
+ break;
+ case 'radio':
+ case 'checkbox':
+ if (el.checked) {
+ data += encodeURIComponent(name) + '=' + encodeURIComponent(val) + '&';
+ }
+ break;
+ case 'file':
+
+ case undefined:
+
+ case 'reset':
+
+ case 'button':
+
+ break;
+ case 'submit':
+ if(hasSubmit == false) {
+ data += encodeURIComponent(name) + '=' + encodeURIComponent(val) + '&';
+ hasSubmit = true;
+ }
+ break;
+ default:
+ data += encodeURIComponent(name) + '=' + encodeURIComponent(val) + '&';
+ break;
+ }
+ }
+ }
+ data = data.substr(0, data.length - 1);
+ return data;
+ },
+
+ headers:{},
+
+ hasHeaders:false,
+
+ useDefaultHeader:true,
+
+ defaultPostHeader:'application/x-www-form-urlencoded',
+
+ useDefaultXhrHeader:true,
+
+ defaultXhrHeader:'XMLHttpRequest',
+
+ hasDefaultHeaders:true,
+
+ defaultHeaders:{},
+
+ poll:{},
+
+ timeout:{},
+
+ pollInterval:50,
+
+ transactionId:0,
+
+ setProgId:function(id)
+ {
+ this.activeX.unshift(id);
+ },
+
+ setDefaultPostHeader:function(b)
+ {
+ this.useDefaultHeader = b;
+ },
+
+ setDefaultXhrHeader:function(b)
+ {
+ this.useDefaultXhrHeader = b;
+ },
+
+ setPollingInterval:function(i)
+ {
+ if (typeof i == 'number' && isFinite(i)) {
+ this.pollInterval = i;
+ }
+ },
+
+ createXhrObject:function(transactionId)
+ {
+ var obj,http;
+ try
+ {
+
+ http = new XMLHttpRequest();
+
+ obj = { conn:http, tId:transactionId };
+ }
+ catch(e)
+ {
+ for (var i = 0; i < this.activeX.length; ++i) {
+ try
+ {
+
+ http = new ActiveXObject(this.activeX[i]);
+
+ obj = { conn:http, tId:transactionId };
+ break;
+ }
+ catch(e) {
+ }
+ }
+ }
+ finally
+ {
+ return obj;
+ }
+ },
+
+ getConnectionObject:function()
+ {
+ var o;
+ var tId = this.transactionId;
+
+ try
+ {
+ o = this.createXhrObject(tId);
+ if (o) {
+ this.transactionId++;
+ }
+ }
+ catch(e) {
+ }
+ finally
+ {
+ return o;
+ }
+ },
+
+ asyncRequest:function(method, uri, callback, postData)
+ {
+ var o = this.getConnectionObject();
+
+ if (!o) {
+ return null;
+ }
+ else {
+ o.conn.open(method, uri, true);
+
+ if (this.useDefaultXhrHeader) {
+ if (!this.defaultHeaders['X-Requested-With']) {
+ this.initHeader('X-Requested-With', this.defaultXhrHeader, true);
+ }
+ }
+
+ if(postData && this.useDefaultHeader){
+ this.initHeader('Content-Type', this.defaultPostHeader);
+ }
+
+ if (this.hasDefaultHeaders || this.hasHeaders) {
+ this.setHeader(o);
+ }
+
+ this.handleReadyState(o, callback);
+ o.conn.send(postData || null);
+
+ return o;
+ }
+ },
+
+ handleReadyState:function(o, callback)
+ {
+ var oConn = this;
+
+ if (callback && callback.timeout) {
+ this.timeout[o.tId] = window.setTimeout(function() {
+ oConn.abort(o, callback, true);
+ }, callback.timeout);
+ }
+
+ this.poll[o.tId] = window.setInterval(
+ function() {
+ if (o.conn && o.conn.readyState == 4) {
+ window.clearInterval(oConn.poll[o.tId]);
+ delete oConn.poll[o.tId];
+
+ if(callback && callback.timeout) {
+ window.clearTimeout(oConn.timeout[o.tId]);
+ delete oConn.timeout[o.tId];
+ }
+
+ oConn.handleTransactionResponse(o, callback);
+ }
+ }
+ , this.pollInterval);
+ },
+
+ handleTransactionResponse:function(o, callback, isAbort)
+ {
+
+ if (!callback) {
+ this.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) {
+ responseObject = this.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 = this.createExceptionObject(o.tId, callback.argument, (isAbort ? isAbort : false));
+ if (callback.failure) {
+ if (!callback.scope) {
+ callback.failure(responseObject);
+ }
+ else {
+ callback.failure.apply(callback.scope, [responseObject]);
+ }
+ }
+ break;
+ default:
+ responseObject = this.createResponseObject(o, callback.argument);
+ if (callback.failure) {
+ if (!callback.scope) {
+ callback.failure(responseObject);
+ }
+ else {
+ callback.failure.apply(callback.scope, [responseObject]);
+ }
+ }
+ }
+ }
+
+ this.releaseObject(o);
+ responseObject = null;
+ },
+
+ createResponseObject:function(o, callbackArg)
+ {
+ var obj = {};
+ var headerObj = {};
+
+ try
+ {
+ var headerStr = o.conn.getAllResponseHeaders();
+ var header = headerStr.split('\n');
+ for (var i = 0; i < header.length; i++) {
+ var delimitPos = header[i].indexOf(':');
+ if (delimitPos != -1) {
+ headerObj[header[i].substring(0, delimitPos)] = header[i].substring(delimitPos + 2);
+ }
+ }
+ }
+ catch(e) {
+ }
+
+ obj.tId = o.tId;
+ obj.status = o.conn.status;
+ obj.statusText = o.conn.statusText;
+ obj.getResponseHeader = headerObj;
+ obj.getAllResponseHeaders = headerStr;
+ obj.responseText = o.conn.responseText;
+ obj.responseXML = o.conn.responseXML;
+
+ if (typeof callbackArg !== undefined) {
+ obj.argument = callbackArg;
+ }
+
+ return obj;
+ },
+
+ createExceptionObject:function(tId, callbackArg, isAbort)
+ {
+ var COMM_CODE = 0;
+ var COMM_ERROR = 'communication failure';
+ var ABORT_CODE = -1;
+ var ABORT_ERROR = 'transaction aborted';
+
+ var obj = {};
+
+ obj.tId = tId;
+ if (isAbort) {
+ obj.status = ABORT_CODE;
+ obj.statusText = ABORT_ERROR;
+ }
+ else {
+ obj.status = COMM_CODE;
+ obj.statusText = COMM_ERROR;
+ }
+
+ if (callbackArg) {
+ obj.argument = callbackArg;
+ }
+
+ return obj;
+ },
+
+ initHeader:function(label, value, isDefault)
+ {
+ var headerObj = (isDefault) ? this.defaultHeaders : this.headers;
+
+ if (headerObj[label] === undefined) {
+ headerObj[label] = value;
+ }
+ else {
+
+
+ headerObj[label] = value + "," + headerObj[label];
+ }
+
+ if (isDefault) {
+ this.hasDefaultHeaders = true;
+ }
+ else {
+ this.hasHeaders = true;
+ }
+ },
+
+
+ setHeader:function(o)
+ {
+ if (this.hasDefaultHeaders) {
+ for (var prop in this.defaultHeaders) {
+ if (this.defaultHeaders.hasOwnProperty(prop)) {
+ o.conn.setRequestHeader(prop, this.defaultHeaders[prop]);
+ }
+ }
+ }
+
+ if (this.hasHeaders) {
+ for (var prop in this.headers) {
+ if (this.headers.hasOwnProperty(prop)) {
+ o.conn.setRequestHeader(prop, this.headers[prop]);
+ }
+ }
+ this.headers = {};
+ this.hasHeaders = false;
+ }
+ },
+
+ resetDefaultHeaders:function() {
+ delete this.defaultHeaders;
+ this.defaultHeaders = {};
+ this.hasDefaultHeaders = false;
+ },
+
+ abort:function(o, callback, isTimeout)
+ {
+ if(this.isCallInProgress(o)) {
+ o.conn.abort();
+ window.clearInterval(this.poll[o.tId]);
+ delete this.poll[o.tId];
+ if (isTimeout) {
+ delete this.timeout[o.tId];
+ }
+
+ this.handleTransactionResponse(o, callback, true);
+
+ return true;
+ }
+ else {
+ return false;
+ }
+ },
+
+
+ isCallInProgress:function(o)
+ {
+ if (o && o.conn) {
+ return o.conn.readyState != 4 && o.conn.readyState != 0;
+ }
+ else {
+
+ return false;
+ }
+ },
+
+
+ releaseObject:function(o)
+ {
+
+ o.conn = null;
+
+ o = null;
+ },
+
+ activeX:[
+ 'MSXML2.XMLHTTP.3.0',
+ 'MSXML2.XMLHTTP',
+ 'Microsoft.XMLHTTP'
+ ]
+
+
+ };
+})();
\ No newline at end of file
projects / roojs1 / commitdiff