X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax%2Fajax.js;h=0b965e4a1628bbde8f67f3b18e686d2af359e47e;hb=a5dbcaf67579b2266b64ffbdd2a328d180f7f64b;hp=7d83a0eb671c8fbb043ae695cb0cda251e99f1b8;hpb=e20e8e6e3cc565469cedfad105565ce534c98c71;p=jquery.git diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js index 7d83a0e..0b965e4 100644 --- a/src/ajax/ajax.js +++ b/src/ajax/ajax.js @@ -15,6 +15,7 @@ jQuery.fn.extend({ * @param Function callback (optional) A function to be executed whenever the data is loaded (parameters: responseText, status and response itself). * @cat Ajax */ + // DEPRECATED loadIfModified: function( url, params, callback ) { this.load( url, params, callback, 1 ); }, @@ -47,6 +48,12 @@ jQuery.fn.extend({ if ( jQuery.isFunction( url ) ) return this.bind("load", url); + var off = url.indexOf(" "); + if ( off >= 0 ) { + var selector = url.slice(off, url.length); + url = url.slice(0, off); + } + callback = callback || function(){}; // Default to a GET request @@ -77,9 +84,24 @@ jQuery.fn.extend({ complete: function(res, status){ // If successful, inject the HTML into all the matched elements if ( status == "success" || !ifModified && status == "notmodified" ) - self.html(res.responseText) - - self.each( callback, [res.responseText, status, res] ); + // See if a selector was specified + self.html( selector ? + // Create a dummy div to hold the results + jQuery("
") + // inject the contents of the document in, removing the scripts + // to avoid any 'Permission Denied' errors in IE + .append(res.responseText.replace(//g, "")) + + // Locate the specified elements + .find(selector) : + + // If not, just inject the full result + res.responseText ); + + // Add delay to account for Safari's delay in globalEval + setTimeout(function(){ + self.each( callback, [res.responseText, status, res] ); + }, 13); } }); return this; @@ -106,7 +128,12 @@ jQuery.fn.extend({ */ serialize: function() { return jQuery.param( this ); - } + }, + + // DEPRECATED + // This method no longer does anything - all script evaluation is + // taken care of within the HTML injection methods. + evalScripts: function(){} }); @@ -217,6 +244,8 @@ jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".sp }; }); +var jsc = (new Date).getTime(); + jQuery.extend({ /** @@ -294,6 +323,7 @@ jQuery.extend({ * @param Function callback (optional) A function to be executed whenever the data is loaded successfully. * @cat Ajax */ + // DEPRECATED getIfModified: function( url, data, callback, type ) { return jQuery.get(url, data, callback, type, 1); }, @@ -406,6 +436,7 @@ jQuery.extend({ * @param Number time How long before an AJAX request times out, in milliseconds. * @cat Ajax */ + // DEPRECATED ajaxTimeout: function( timeout ) { jQuery.ajaxSettings.timeout = timeout; }, @@ -570,27 +601,95 @@ jQuery.extend({ * @see ajaxSetup(Map) */ ajax: function( s ) { - // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout - s = jQuery.extend({}, jQuery.ajaxSettings, s); - - // if data available - if ( s.data ) { - // convert data if not already a string - if (s.processData && typeof s.data != "string") - s.data = jQuery.param(s.data); - // append data to url for get requests - if( s.type.toLowerCase() == "get" ) { - // "?" + data or "&" + data (in case there are already params) - s.url += ((s.url.indexOf("?") > -1) ? "&" : "?") + s.data; - // IE likes to send both get and post data, prevent this - s.data = null; - } + var jsonp, jsre = /=(\?|%3F)/g, status, data; + + // Extend the settings, but re-extend 's' so that it can be + // checked again later (in the test suite, specifically) + s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s)); + + // convert data if not already a string + if ( s.data && s.processData && typeof s.data != "string" ) + s.data = jQuery.param(s.data); + + // Break the data into one single string + var q = s.url.indexOf("?"); + if ( q > -1 ) { + s.data = (s.data ? s.data + "&" : "") + s.url.slice(q + 1); + s.url = s.url.slice(0, q); + } + + // Handle JSONP Parameter Callbacks + if ( s.dataType == "jsonp" ) { + if ( !s.data || !s.data.match(jsre) ) + s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?"; + s.dataType = "json"; + } + + // Build temporary JSONP function + if ( s.dataType == "json" && s.data && s.data.match(jsre) ) { + jsonp = "jsonp" + jsc++; + s.data = s.data.replace(jsre, "=" + jsonp); + + // We need to make sure + // that a JSONP style response is executed properly + s.dataType = "script"; + + // Handle JSONP-style loading + window[ jsonp ] = function(tmp){ + data = tmp; + success(); + // Garbage collect + window[ jsonp ] = undefined; + try{ delete window[ jsonp ]; } catch(e){} + }; + } + + if ( s.dataType == "script" && s.cache == null ) + s.cache = false; + + if ( s.cache === false && s.type.toLowerCase() == "get" ) + s.data = (s.data ? s.data + "&" : "") + "_=" + (new Date()).getTime(); + + // If data is available, append data to url for get requests + if ( s.data && s.type.toLowerCase() == "get" ) { + s.url += "?" + s.data; + + // IE likes to send both get and post data, prevent this + s.data = null; } // Watch for a new set of requests if ( s.global && ! jQuery.active++ ) jQuery.event.trigger( "ajaxStart" ); + // If we're requesting a remote document + // and trying to load JSON or Script + if ( !s.url.indexOf("http") && s.dataType == "script" ) { + var script = document.createElement("script"); + script.src = s.url; + + // Handle Script loading + if ( !jsonp && (s.success || s.complete) ) { + var done = false; + + // Attach handlers for all browsers + script.onload = script.onreadystatechange = function(){ + if ( !done && (!this.readyState || + this.readyState == "loaded" || this.readyState == "complete") ) { + done = true; + success(); + complete(); + document.body.removeChild( script ); + } + }; + } + + document.body.appendChild(script); + + // We handle everything using the script element injection + return; + } + var requestDone = false; // Create the request object; Microsoft failed to properly @@ -613,7 +712,7 @@ jQuery.extend({ xml.setRequestHeader("X-Requested-With", "XMLHttpRequest"); // Allow custom headers/mimetypes - if( s.beforeSend ) + if ( s.beforeSend ) s.beforeSend(xml); if ( s.global ) @@ -631,74 +730,64 @@ jQuery.extend({ ival = null; } - var status; - try { - status = isTimeout == "timeout" && "timeout" || - !jQuery.httpSuccess( xml ) && "error" || - s.ifModified && jQuery.httpNotModified( xml, s.url ) && "notmodified" || - "success"; - - // Make sure that the request was successful or notmodified - if ( status != "error" && status != "timeout" ) { - // Cache Last-Modified header, if ifModified mode. - var modRes; - try { - modRes = xml.getResponseHeader("Last-Modified"); - } catch(e) {} // swallow exception thrown by FF if header is not available - - if ( s.ifModified && modRes ) - jQuery.lastModified[s.url] = modRes; - + status = isTimeout == "timeout" && "timeout" || + !jQuery.httpSuccess( xml ) && "error" || + s.ifModified && jQuery.httpNotModified( xml, s.url ) && "notmodified" || + "success"; + + if ( status == "success" ) { + // Watch for, and catch, XML document parse errors + try { // process the data (runs the xml through httpData regardless of callback) - var data = jQuery.httpData( xml, s.dataType ); - - // If a local callback was specified, fire it and pass it the data - if ( s.success ) - s.success( data, status ); - - // Fire the global callback - if( s.global ) - jQuery.event.trigger( "ajaxSuccess", [xml, s] ); - } else - jQuery.handleError(s, xml, status); - } catch(e) { - status = "parsererror"; - jQuery.handleError(s, xml, status, e); + data = jQuery.httpData( xml, s.dataType ); + } catch(e) { + status = "parsererror"; + } } - // The request was completed - if( s.global ) - jQuery.event.trigger( "ajaxComplete", [xml, s] ); + // Make sure that the request was successful or notmodified + if ( status == "success" ) { + // Cache Last-Modified header, if ifModified mode. + var modRes; + try { + modRes = xml.getResponseHeader("Last-Modified"); + } catch(e) {} // swallow exception thrown by FF if header is not available + + if ( s.ifModified && modRes ) + jQuery.lastModified[s.url] = modRes; - // Handle the global AJAX counter - if ( s.global && ! --jQuery.active ) - jQuery.event.trigger( "ajaxStop" ); + // JSONP handles its own success callback + if ( !jsonp ) + success(); + } else + jQuery.handleError(s, xml, status); - // Process result - if ( s.complete ) - s.complete(xml, status); + // Fire the complete handlers + complete(); // Stop memory leaks - if(s.async) + if ( s.async ) xml = null; } }; - // don't attach the handler to the request, just poll it instead - var ival = setInterval(onreadystatechange, 13); - - // Timeout checker - if ( s.timeout > 0 ) - setTimeout(function(){ - // Check to see if the request is still happening - if ( xml ) { - // Cancel the request - xml.abort(); - - if( !requestDone ) - onreadystatechange( "timeout" ); - } - }, s.timeout); + if ( s.async ) { + // don't attach the handler to the request, just poll it instead + var ival = setInterval(onreadystatechange, 13); + + // Timeout checker + if ( s.timeout > 0 ) + setTimeout(function(){ + // Check to see if the request is still happening + if ( xml ) { + // Cancel the request + xml.abort(); + + if( !requestDone ) + onreadystatechange( "timeout" ); + } + }, s.timeout); + } // Send the data try { @@ -713,6 +802,30 @@ jQuery.extend({ // return XMLHttpRequest to allow aborting the request etc. return xml; + + function success(){ + // If a local callback was specified, fire it and pass it the data + if ( s.success ) + s.success( data, status ); + + // Fire the global callback + if ( s.global ) + jQuery.event.trigger( "ajaxSuccess", [xml, s] ); + } + + function complete(){ + // Process result + if ( s.complete ) + s.complete(xml, status); + + // The request was completed + if ( s.global ) + jQuery.event.trigger( "ajaxComplete", [xml, s] ); + + // Handle the global AJAX counter + if ( s.global && ! --jQuery.active ) + jQuery.event.trigger( "ajaxStop" ); + } }, handleError: function( s, xml, status, e ) { @@ -758,14 +871,14 @@ jQuery.extend({ httpData: function( r, type ) { var ct = r.getResponseHeader("content-type"); var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0; - data = xml ? r.responseXML : r.responseText; + var data = xml ? r.responseXML : r.responseText; if ( xml && data.documentElement.tagName == "parsererror" ) throw "parsererror"; // If the type is "script", eval it in global context if ( type == "script" ) - (new Function( data ))(); + jQuery.globalEval( data ); // Get the JavaScript object, if JSON is used. if ( type == "json" )