X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/c930e9176a5a85509c5b0230e2bff5c22a591432..c8256059947f3aa8f5b0a9a2acf55e2142bb4742:/docs/source/ext-base-ajax.html diff --git a/docs/source/ext-base-ajax.html b/docs/source/ext-base-ajax.html index 09c0046b..9d249a21 100644 --- a/docs/source/ext-base-ajax.html +++ b/docs/source/ext-base-ajax.html @@ -1,374 +1,386 @@ - -
-/* - * 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.3.0', - 'MSXML2.XMLHTTP', - 'Microsoft.XMLHTTP'], - CONTENTTYPE = 'Content-Type'; - - // private - function setHeader(o) { - var conn = o.conn, - prop; - - function setTheHeaders(conn, headers){ - for (prop in headers) { - if (headers.hasOwnProperty(prop)) { - conn.setRequestHeader(prop, headers[prop]); - } - } - } - - if (pub.defaultHeaders) { - setTheHeaders(conn, pub.defaultHeaders); - } - - if (pub.headers) { - setTheHeaders(conn, pub.headers); - pub.headers = null; - } - } - - // private - function createExceptionObject(tId, callbackArg, isAbort, isTimeout) { - return { - tId : tId, - status : isAbort ? -1 : 0, - statusText : isAbort ? 'transaction aborted' : 'communication failure', - isAbort: true, - isTimeout: true, - 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; - - 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, - status : conn.status, - statusText : 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) { - 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; - } - - // private - function handleReadyState(o, callback){ - callback = callback || {}; - var conn = o.conn, - tId = o.tId, - poll = pub.poll, - cbTimeout = callback.timeout || null; - - if (cbTimeout) { - pub.timeout[tId] = setTimeout(function() { - pub.abort(o, callback, true); - }, cbTimeout); - } - - poll[tId] = setInterval( - function() { - if (conn && conn.readyState == 4) { - clearInterval(poll[tId]); - poll[tId] = null; - - if (cbTimeout) { - clearTimeout(pub.timeout[tId]); - pub.timeout[tId] = null; - } - - handleTransactionResponse(o, callback); - } - }, - 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.isObject(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, - element, - options, - name, - val, - data = '', - type; - - 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) { - data += String.format("{0}={1}&", - encoder(name), - (opt.hasAttribute ? opt.hasAttribute('value') : opt.getAttributeNode('value').specified) ? 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 : {}, - 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; - if (isTimeout) { - 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; - }();- + + + +
/*! + * Ext JS Library 3.2.1 + * Copyright(c) 2006-2010 Ext JS, Inc. + * licensing@extjs.com + * http://www.extjs.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.3.0', + 'MSXML2.XMLHTTP', + 'Microsoft.XMLHTTP'], + CONTENTTYPE = 'Content-Type'; + + // private + function setHeader(o) { + var conn = o.conn, + prop; + + function setTheHeaders(conn, headers){ + for (prop in headers) { + if (headers.hasOwnProperty(prop)) { + conn.setRequestHeader(prop, headers[prop]); + } + } + } + + if (pub.defaultHeaders) { + setTheHeaders(conn, pub.defaultHeaders); + } + + if (pub.headers) { + setTheHeaders(conn, pub.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; + } + + // 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(function() { + pub.abort(o, callback, true); + }, cbTimeout); + } + + poll[tId] = setInterval( + function() { + if (conn && conn.readyState == 4) { + clearInterval(poll[tId]); + poll[tId] = null; + + if (cbTimeout) { + clearTimeout(pub.timeout[tId]); + pub.timeout[tId] = null; + } + + handleTransactionResponse(o, callback); + } + }, + 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, + element, + options, + name, + val, + data = '', + type; + + 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) { + data += String.format("{0}={1}&", encoder(name), encoder((opt.hasAttribute ? opt.hasAttribute('value') : opt.getAttribute('value') !== null) ? 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; +}();+ \ No newline at end of file