*
* @test stop(); // check if load can be called with only url
* $('#first').load("data/name.php");
- * setTimeout(function() {
+ * $.get("data/name.php", function() {
* ok( $('#first').text() == 'ERROR', 'Check if load works without callback');
* start();
- * }, 500);
+ * });
+ *
+ * @test stop();
+ * window.foobar = undefined;
+ * window.foo = undefined;
+ * var verifyEvaluation = function() {
+ * ok( foobar == "bar", 'Check if script src was evaluated after load' );
+ * ok( $('#foo').html() == 'foo', 'Check if script evaluation has modified DOM');
+ * ok( $('#ap').html() == 'bar', 'Check if script evaluation has modified DOM');
+ * start();
+ * };
+ * $('#first').load('data/test.html', function() {
+ * ok( $('#first').html().match(/^html text/), 'Check content after loading html' );
+ * ok( foo == "foo", 'Check if script was evaluated after load' );
+ * setTimeout(verifyEvaluation, 600);
+ * });
*
* @name load
* @type jQuery
* @param String url The URL of the HTML file to load.
- * @param Hash params A set of key/value pairs that will be sent to the server.
- * @param Function callback A function to be executed whenever the data is loaded.
+ * @param Object params A set of key/value pairs that will be sent as data to the server.
+ * @param Function callback A function to be executed whenever the data is loaded (parameters: responseText, status and reponse itself).
* @cat AJAX
*/
load: function( url, params, callback, ifModified ) {
if ( url.constructor == Function )
return this.bind("load", url);
-
+
callback = callback || function(){};
-
+
// Default to a GET request
var type = "GET";
-
+
// If the second parameter was provided
if ( params ) {
// If it's a function
// We assume that it's the callback
callback = params;
params = null;
-
+
// Otherwise, build a param string
} else {
params = jQuery.param( params );
type = "POST";
}
}
-
+
var self = this;
-
+
// Request the remote document
- jQuery.ajax( type, url, params,function(res, status){
-
- if ( status == "success" || !ifModified && status == "notmodified" ) {
- // Inject the HTML into all the matched elements
- self.html(res.responseText).each( callback, [res.responseText, status] );
-
- // Execute all the scripts inside of the newly-injected HTML
- jQuery("script", self).each(function(){
- if ( this.src )
- jQuery.getScript( this.src );
- else
- eval.call( window, this.text || this.textContent || this.innerHTML || "" );
- });
- } else
- callback.apply( self, [res.responseText, status] );
-
- }, ifModified);
-
+ jQuery.ajax({
+ url: url,
+ type: type,
+ data: params,
+ ifModified: ifModified,
+ complete: function(res, status){
+ if ( status == "success" || !ifModified && status == "notmodified" ) {
+ // Inject the HTML into all the matched elements
+ self.html(res.responseText)
+ // Execute all the scripts inside of the newly-injected HTML
+ .evalScripts()
+ // Execute callback
+ .each( callback, [res.responseText, status, res] );
+ } else
+ callback.apply( self, [res.responseText, status, res] );
+ }
+ });
return this;
},
/**
* Serializes a set of input elements into a string of data.
- * This will serialize all given elements. If you need
+ * This will serialize all given elements. If you need
* serialization similar to the form submit of a browser,
* you should use the form plugin. This is also true for
* selects with multiple attribute set, only a single option
*/
serialize: function() {
return jQuery.param( this );
+ },
+
+ /**
+ * Evaluate all script tags inside this jQuery. If they have a src attribute,
+ * the script is loaded, otherwise it's content is evaluated.
+ *
+ * @name evalScripts
+ * @type jQuery
+ * @private
+ * @cat AJAX
+ */
+ evalScripts: function() {
+ return this.find('script').each(function(){
+ if ( this.src )
+ // for some weird reason, it doesn't work if the callback is ommited
+ jQuery.getScript( this.src, function() {} );
+ else
+ eval.call( window, this.text || this.textContent || this.innerHTML || "" );
+ }).end();
}
-
+
});
// If IE is used, create a wrapper for the XMLHttpRequest object
* @param Function callback The function to execute.
* @cat AJAX
*/
-
+
/**
* Attach a function to be executed whenever all AJAX requests have ended.
*
* @param Function callback The function to execute.
* @cat AJAX
*/
-
+
/**
* Attach a function to be executed whenever an AJAX request completes.
*
* @param Function callback The function to execute.
* @cat AJAX
*/
-
+
/**
* Attach a function to be executed whenever an AJAX request completes
* successfully.
* @param Function callback The function to execute.
* @cat AJAX
*/
-
+
/**
* Attach a function to be executed whenever an AJAX request fails.
*
* @param Function callback The function to execute.
* @cat AJAX
*/
-
+
/**
* @test stop(); var counter = { complete: 0, success: 0, error: 0 };
* var success = function() { counter.success++ };
* start();
* }});
* }});
-
+
* @test stop(); var counter = { complete: 0, success: 0, error: 0 };
* counter.error = 0; counter.success = 0; counter.complete = 0;
* var success = function() { counter.success++ };
* start();
* }});
* }});
- *
+ *
* @name ajaxHandlersTesting
* @private
*/
-
+
new function(){
var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(",");
-
+
for ( var i = 0; i < e.length; i++ ) new function(){
var o = e[i];
jQuery.fn[o] = function(f){
* }
* )
*
+ * @test stop();
+ * $.get('data/dashboard.xml', function(xml) {
+ * var content = [];
+ * $('tab', xml).each(function() {
+ * content.push($(this).text());
+ * });
+ * ok( content[0] == 'blabla', 'Check first tab');
+ * ok( content[1] == 'blublu', 'Check second tab');
+ * start();
+ * });
+ *
* @name $.get
- * @type jQuery
+ * @type undefined
* @param String url The URL of the page to load.
* @param Hash params A set of key/value pairs that will be sent to the server.
* @param Function callback A function to be executed whenever the data is loaded.
* @cat AJAX
*/
get: function( url, data, callback, type, ifModified ) {
- if ( data.constructor == Function ) {
+ // shift arguments if data argument was ommited
+ if ( data && data.constructor == Function ) {
type = callback;
callback = data;
data = null;
}
-
- // append ? + data or & + data, in case there are already params
- if ( data ) url += ((url.indexOf("?") > -1) ? "&" : "?") + jQuery.param(data);
-
- // Build and start the HTTP Request
- jQuery.ajax( "GET", url, null, function(r, status) {
- if ( callback ) callback( jQuery.httpData(r,type), status );
- }, ifModified);
+
+ // Delegate
+ jQuery.ajax({
+ url: url,
+ data: data,
+ success: callback,
+ dataType: type,
+ ifModified: ifModified
+ });
},
-
+
/**
* Load a remote page using an HTTP GET request, only if it hasn't
* been modified since it was last retrieved. All of the arguments to
* });
*
* @name $.getIfModified
- * @type jQuery
+ * @type undefined
* @param String url The URL of the page to load.
* @param Hash params A set of key/value pairs that will be sent to the server.
* @param Function callback A function to be executed whenever the data is loaded.
* start();
* });
*
+ * @test
+ * $.getScript("data/test.js");
+ * ok( true, "Check with single argument, can't verify" );
+ *
* @name $.getScript
- * @type jQuery
+ * @type undefined
* @param String url The URL of the page to load.
* @param Function callback A function to be executed whenever the data is loaded.
* @cat AJAX
*/
getScript: function( url, callback ) {
- jQuery.get(url, callback, "script");
+ if(callback)
+ jQuery.get(url, null, callback, "script");
+ else {
+ jQuery.get(url, null, null, "script");
+ }
},
-
+
/**
* Load a remote JSON object using an HTTP GET request.
* All of the arguments to the method (except URL) are optional.
* });
*
* @name $.getJSON
- * @type jQuery
+ * @type undefined
* @param String url The URL of the page to load.
* @param Hash params A set of key/value pairs that will be sent to the server.
* @param Function callback A function to be executed whenever the data is loaded.
jQuery.get(url, data, "json");
}
},
-
+
/**
* Load a remote page using an HTTP POST request. All of the arguments to
* the method (except URL) are optional.
* });
*
* @name $.post
- * @type jQuery
+ * @type undefined
* @param String url The URL of the page to load.
* @param Hash params A set of key/value pairs that will be sent to the server.
* @param Function callback A function to be executed whenever the data is loaded.
* @cat AJAX
*/
post: function( url, data, callback, type ) {
- // Build and start the HTTP Request
- jQuery.ajax( "POST", url, jQuery.param(data), function(r, status) {
- if ( callback ) callback( jQuery.httpData(r,type), status );
+ // Delegate
+ jQuery.ajax({
+ type: "POST",
+ url: url,
+ data: data,
+ success: callback,
+ dataType: type
});
},
-
+
// timeout (ms)
timeout: 0,
* });
* // reset timeout
* $.ajaxTimeout(0);
- *
+ *
*
* @name $.ajaxTimeout
- * @type jQuery
+ * @type undefined
* @param Number time How long before an AJAX request times out.
* @cat AJAX
*/
// Last-Modified header cache for next request
lastModified: {},
-
+
/**
* Load a remote page using an HTTP request. This function is the primary
* means of making AJAX requests using jQuery. $.ajax() takes one property,
* (String) type - The type of request to make (e.g. "POST" or "GET").
*
* (String) url - The URL of the page to request.
- *
- * (String) data - A string of data to be sent to the server (POST only).
+ *
+ * (String) data - Data to be sent to the server. If converted to a query
+ * string, if not already a string. Is appended to the url for GET-requests.
*
* (String) dataType - The type of data that you're expecting back from
* the server (e.g. "xml", "html", "script", or "json").
* }
* });
*
+ * @test stop();
+ * window.foobar = undefined;
+ * window.foo = undefined;
+ * var verifyEvaluation = function() {
+ * ok( foobar == "bar", 'Check if script src was evaluated for datatype html' );
+ * start();
+ * };
+ * $.ajax({
+ * dataType: "html",
+ * url: "data/test.html",
+ * success: function(data) {
+ * ok( data.match(/^html text/), 'Check content for datatype html' );
+ * ok( foo == "foo", 'Check if script was evaluated for datatype html' );
+ * setTimeout(verifyEvaluation, 600);
+ * }
+ * });
+ *
+ * @test stop();
+ * $.ajax({
+ * url: "data/with_fries.xml", dataType: "xml", type: "GET", data: "", success: function(resp) {
+ * ok( $("properties", resp).length == 1, 'properties in responseXML' );
+ * ok( $("jsconf", resp).length == 1, 'jsconf in responseXML' );
+ * ok( $("thing", resp).length == 2, 'things in responseXML' );
+ * start();
+ * }
+ * });
+ *
* @name $.ajax
- * @type jQuery
+ * @type undefined
* @param Hash prop A set of properties to initialize the request with.
* @cat AJAX
*/
- ajax: function( type, url, data, ret, ifModified ) {
- // If only a single argument was passed in,
- // assume that it is a object of key/value pairs
- if ( !url ) {
- ret = type.complete;
- var success = type.success;
- var error = type.error;
- var dataType = type.dataType;
- var global = typeof type.global == "boolean" ? type.global : true;
- var timeout = typeof type.timeout == "number" ? type.timeout : jQuery.timeout;
- var ifModified = type.ifModified || false;
- data = type.data;
- url = type.url;
- type = type.type;
+ ajax: function( s ) {
+ // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
+ s = jQuery.extend({
+ global: true,
+ ifModified: false,
+ type: "GET",
+ timeout: jQuery.timeout,
+ complete: null,
+ success: null,
+ error: null,
+ dataType: null,
+ data: null,
+ url: null,
+ }, s);
+
+ // if data available
+ if ( s.data ) {
+ // convert data if not already a string
+ if (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;
}
-
+
// Watch for a new set of requests
- if ( global && ! jQuery.active++ )
+ if ( s.global && ! jQuery.active++ )
jQuery.event.trigger( "ajaxStart" );
var requestDone = false;
-
+
// Create the request object
var xml = new XMLHttpRequest();
-
+
// Open the socket
- xml.open(type || "GET", url, true);
-
+ xml.open(s.type, s.url, true);
+
// Set the correct header, if data is being sent
- if ( data )
+ if ( s.data )
xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
-
+
// Set the If-Modified-Since header, if ifModified mode.
- if ( ifModified )
+ if ( s.ifModified )
xml.setRequestHeader("If-Modified-Since",
- jQuery.lastModified[url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
-
+ jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
+
// Set header so the called script knows that it's an XMLHttpRequest
xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
-
+
// Make sure the browser sends the right content length
if ( xml.overrideMimeType )
xml.setRequestHeader("Connection", "close");
-
+
// Wait for a response to come back
- var onreadystatechange = function(istimeout){
+ var onreadystatechange = function(isTimeout){
// The transfer is complete and the data is available, or the request timed out
- if ( xml && (xml.readyState == 4 || istimeout == "timeout") ) {
+ if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
- var status = jQuery.httpSuccess( xml ) && istimeout != "timeout" ?
- ifModified && jQuery.httpNotModified( xml, url ) ? "notmodified" : "success" : "error";
-
+ var status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
+ s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
+
// Make sure that the request was successful or notmodified
if ( status != "error" ) {
// Cache Last-Modified header, if ifModified mode.
try {
modRes = xml.getResponseHeader("Last-Modified");
} catch(e) {} // swallow exception thrown by FF if header is not available
-
- if ( ifModified && modRes )
- jQuery.lastModified[url] = modRes;
-
+
+ if ( s.ifModified && modRes )
+ jQuery.lastModified[s.url] = modRes;
+
// If a local callback was specified, fire it
- if ( success )
- success( jQuery.httpData( xml, dataType ), status );
-
+ if ( s.success )
+ s.success( jQuery.httpData( xml, s.dataType ), status );
+
// Fire the global callback
- if( global )
+ if( s.global )
jQuery.event.trigger( "ajaxSuccess" );
-
+
// Otherwise, the request was not successful
} else {
// If a local callback was specified, fire it
- if ( error ) error( xml, status );
-
+ if ( s.error ) s.error( xml, status );
+
// Fire the global callback
- if( global )
+ if( s.global )
jQuery.event.trigger( "ajaxError" );
}
-
+
// The request was completed
- if( global )
+ if( s.global )
jQuery.event.trigger( "ajaxComplete" );
-
+
// Handle the global AJAX counter
- if ( global && ! --jQuery.active )
+ if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );
-
+
// Process result
- if ( ret ) ret(xml, status);
-
+ if ( s.complete ) s.complete(xml, status);
+
// Stop memory leaks
xml.onreadystatechange = function(){};
xml = null;
-
+
}
};
xml.onreadystatechange = onreadystatechange;
-
+
// Timeout checker
- if(timeout > 0)
+ if(s.timeout > 0)
setTimeout(function(){
// Check to see if the request is still happening
if (xml) {
// Clear from memory
xml = null;
}
- }, timeout);
-
+ }, s.timeout);
+
// Send the data
- xml.send(data);
+ xml.send(s.data);
},
-
+
// Counter for holding the number of active queries
active: 0,
-
+
// Determines if an XMLHttpRequest was successful or not
httpSuccess: function(r) {
try {
return false;
},
-
+
/* Get the data out of an XMLHttpRequest.
* Return parsed XML if content-type header is "xml" and type is "xml" or omitted,
* otherwise return plain text.
// Get the JavaScript object, if JSON is used.
if ( type == "json" ) eval( "data = " + data );
+ // evaluate scripts within html
+ if ( type == "html" ) jQuery("<div>").html(data).evalScripts();
+
return data;
},
-
+
// Serialize an array of form elements or a set of
// key/values into a query string
param: function(a) {
var s = [];
-
+
// If an array was passed in, assume that it is an array
// of form elements
if ( a.constructor == Array || a.jquery ) {
// Serialize the form elements
for ( var i = 0; i < a.length; i++ )
s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );
-
+
// Otherwise, assume that it's an object of key/value pairs
} else {
// Serialize the key/values
for ( var j in a )
s.push( j + "=" + encodeURIComponent( a[j] ) );
}
-
+
// Return the resulting serialization
return s.join("&");
}