+++ /dev/null
-/*\r
-Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.\r
-For licensing, see LICENSE.html or http://ckeditor.com/license\r
-*/\r
-\r
-/**\r
- * @fileOverview Defines the {@link CKEDITOR.ajax} object, which holds ajax methods for\r
- * data loading.\r
- */\r
-\r
-(function()\r
-{\r
- CKEDITOR.plugins.add( 'ajax',\r
- {\r
- requires : [ 'xml' ]\r
- });\r
-\r
- /**\r
- * Ajax methods for data loading.\r
- * @namespace\r
- * @example\r
- */\r
- CKEDITOR.ajax = (function()\r
- {\r
- var createXMLHttpRequest = function()\r
- {\r
- // In IE, using the native XMLHttpRequest for local files may throw\r
- // "Access is Denied" errors.\r
- if ( !CKEDITOR.env.ie || location.protocol != 'file:' )\r
- try { return new XMLHttpRequest(); } catch(e) {}\r
-\r
- try { return new ActiveXObject( 'Msxml2.XMLHTTP' ); } catch (e) {}\r
- try { return new ActiveXObject( 'Microsoft.XMLHTTP' ); } catch (e) {}\r
-\r
- return null;\r
- };\r
-\r
- var checkStatus = function( xhr )\r
- {\r
- // HTTP Status Codes:\r
- // 2xx : Success\r
- // 304 : Not Modified\r
- // 0 : Returned when running locally (file://)\r
- // 1223 : IE may change 204 to 1223 (see http://dev.jquery.com/ticket/1450)\r
-\r
- return ( xhr.readyState == 4 &&\r
- ( ( xhr.status >= 200 && xhr.status < 300 ) ||\r
- xhr.status == 304 ||\r
- xhr.status === 0 ||\r
- xhr.status == 1223 ) );\r
- };\r
-\r
- var getResponseText = function( xhr )\r
- {\r
- if ( checkStatus( xhr ) )\r
- return xhr.responseText;\r
- return null;\r
- };\r
-\r
- var getResponseXml = function( xhr )\r
- {\r
- if ( checkStatus( xhr ) )\r
- {\r
- var xml = xhr.responseXML;\r
- return new CKEDITOR.xml( xml && xml.firstChild ? xml : xhr.responseText );\r
- }\r
- return null;\r
- };\r
-\r
- var load = function( url, callback, getResponseFn )\r
- {\r
- var async = !!callback;\r
-\r
- var xhr = createXMLHttpRequest();\r
-\r
- if ( !xhr )\r
- return null;\r
-\r
- xhr.open( 'GET', url, async );\r
-\r
- if ( async )\r
- {\r
- // TODO: perform leak checks on this closure.\r
- /** @ignore */\r
- xhr.onreadystatechange = function()\r
- {\r
- if ( xhr.readyState == 4 )\r
- {\r
- callback( getResponseFn( xhr ) );\r
- xhr = null;\r
- }\r
- };\r
- }\r
-\r
- xhr.send(null);\r
-\r
- return async ? '' : getResponseFn( xhr );\r
- };\r
-\r
- return /** @lends CKEDITOR.ajax */ {\r
-\r
- /**\r
- * Loads data from an URL as plain text.\r
- * @param {String} url The URL from which load data.\r
- * @param {Function} [callback] A callback function to be called on\r
- * data load. If not provided, the data will be loaded\r
- * synchronously.\r
- * @returns {String} The loaded data. For asynchronous requests, an\r
- * empty string. For invalid requests, null.\r
- * @example\r
- * // Load data synchronously.\r
- * var data = CKEDITOR.ajax.load( 'somedata.txt' );\r
- * alert( data );\r
- * @example\r
- * // Load data asynchronously.\r
- * var data = CKEDITOR.ajax.load( 'somedata.txt', function( data )\r
- * {\r
- * alert( data );\r
- * } );\r
- */\r
- load : function( url, callback )\r
- {\r
- return load( url, callback, getResponseText );\r
- },\r
-\r
- /**\r
- * Loads data from an URL as XML.\r
- * @param {String} url The URL from which load data.\r
- * @param {Function} [callback] A callback function to be called on\r
- * data load. If not provided, the data will be loaded\r
- * synchronously.\r
- * @returns {CKEDITOR.xml} An XML object holding the loaded data. For asynchronous requests, an\r
- * empty string. For invalid requests, null.\r
- * @example\r
- * // Load XML synchronously.\r
- * var xml = CKEDITOR.ajax.loadXml( 'somedata.xml' );\r
- * alert( xml.getInnerXml( '//' ) );\r
- * @example\r
- * // Load XML asynchronously.\r
- * var data = CKEDITOR.ajax.loadXml( 'somedata.xml', function( xml )\r
- * {\r
- * alert( xml.getInnerXml( '//' ) );\r
- * } );\r
- */\r
- loadXml : function( url, callback )\r
- {\r
- return load( url, callback, getResponseXml );\r
- }\r
- };\r
- })();\r
-\r
-})();\r
projects / ckeditor.git / blobdiff