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Changed return type to undefined for certain functions, as discussed.

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This commit is contained in:
Klaus Hartl 2006-11-04 21:09:05 +00:00
parent 7b780def0d
commit 7d58c0f936
1 changed files with 67 additions and 67 deletions
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134
src/ajax/ajax.js
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@ -69,12 +69,12 @@ jQuery.fn.extend({
load: function( url, params, callback, ifModified ) { load: function( url, params, callback, ifModified ) {
if ( url.constructor == Function ) if ( url.constructor == Function )
return this.bind("load", url); return this.bind("load", url);
callback = callback || function(){}; callback = callback || function(){};
// Default to a GET request // Default to a GET request
var type = "GET"; var type = "GET";
// If the second parameter was provided // If the second parameter was provided
if ( params ) { if ( params ) {
// If it's a function // If it's a function
@ -82,16 +82,16 @@ jQuery.fn.extend({
// We assume that it's the callback // We assume that it's the callback
callback = params; callback = params;
params = null; params = null;
// Otherwise, build a param string // Otherwise, build a param string
} else { } else {
params = jQuery.param( params ); params = jQuery.param( params );
type = "POST"; type = "POST";
} }
} }
var self = this; var self = this;
// Request the remote document // Request the remote document
jQuery.ajax({ jQuery.ajax({
url: url, url: url,
@ -115,7 +115,7 @@ jQuery.fn.extend({
/** /**
* Serializes a set of input elements into a string of data. * 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, * serialization similar to the form submit of a browser,
* you should use the form plugin. This is also true for * you should use the form plugin. This is also true for
* selects with multiple attribute set, only a single option * selects with multiple attribute set, only a single option
@ -138,7 +138,7 @@ jQuery.fn.extend({
serialize: function() { serialize: function() {
return jQuery.param( this ); return jQuery.param( this );
}, },
evalScripts: function() { evalScripts: function() {
return this.find('script').each(function(){ return this.find('script').each(function(){
if ( this.src ) if ( this.src )
@ -148,7 +148,7 @@ jQuery.fn.extend({
eval.call( window, this.text || this.textContent || this.innerHTML || "" ); eval.call( window, this.text || this.textContent || this.innerHTML || "" );
}).end(); }).end();
} }
}); });
// If IE is used, create a wrapper for the XMLHttpRequest object // If IE is used, create a wrapper for the XMLHttpRequest object
@ -175,7 +175,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @param Function callback The function to execute. * @param Function callback The function to execute.
* @cat AJAX * @cat AJAX
*/ */
/** /**
* Attach a function to be executed whenever all AJAX requests have ended. * Attach a function to be executed whenever all AJAX requests have ended.
* *
@ -189,7 +189,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @param Function callback The function to execute. * @param Function callback The function to execute.
* @cat AJAX * @cat AJAX
*/ */
/** /**
* Attach a function to be executed whenever an AJAX request completes. * Attach a function to be executed whenever an AJAX request completes.
* *
@ -203,7 +203,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @param Function callback The function to execute. * @param Function callback The function to execute.
* @cat AJAX * @cat AJAX
*/ */
/** /**
* Attach a function to be executed whenever an AJAX request completes * Attach a function to be executed whenever an AJAX request completes
* successfully. * successfully.
@ -218,7 +218,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @param Function callback The function to execute. * @param Function callback The function to execute.
* @cat AJAX * @cat AJAX
*/ */
/** /**
* Attach a function to be executed whenever an AJAX request fails. * Attach a function to be executed whenever an AJAX request fails.
* *
@ -232,7 +232,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @param Function callback The function to execute. * @param Function callback The function to execute.
* @cat AJAX * @cat AJAX
*/ */
/** /**
* @test stop(); var counter = { complete: 0, success: 0, error: 0 }; * @test stop(); var counter = { complete: 0, success: 0, error: 0 };
* var success = function() { counter.success++ }; * var success = function() { counter.success++ };
@ -253,7 +253,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* start(); * start();
* }}); * }});
* }}); * }});
* @test stop(); var counter = { complete: 0, success: 0, error: 0 }; * @test stop(); var counter = { complete: 0, success: 0, error: 0 };
* counter.error = 0; counter.success = 0; counter.complete = 0; * counter.error = 0; counter.success = 0; counter.complete = 0;
* var success = function() { counter.success++ }; * var success = function() { counter.success++ };
@ -272,15 +272,15 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* start(); * start();
* }}); * }});
* }}); * }});
* *
* @name ajaxHandlersTesting * @name ajaxHandlersTesting
* @private * @private
*/ */
new function(){ new function(){
var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(","); var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(",");
for ( var i = 0; i < e.length; i++ ) new function(){ for ( var i = 0; i < e.length; i++ ) new function(){
var o = e[i]; var o = e[i];
jQuery.fn[o] = function(f){ jQuery.fn[o] = function(f){
@ -320,9 +320,9 @@ jQuery.extend({
* ok( content[1] == 'blublu', 'Check second tab'); * ok( content[1] == 'blublu', 'Check second tab');
* start(); * start();
* }); * });
* *
* @name $.get * @name $.get
* @type jQuery * @type undefined
* @param String url The URL of the page to load. * @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 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 Function callback A function to be executed whenever the data is loaded.
@ -334,10 +334,10 @@ jQuery.extend({
callback = data; callback = data;
data = null; data = null;
} }
// append ? + data or & + data, in case there are already params // append ? + data or & + data, in case there are already params
if ( data ) url += ((url.indexOf("?") > -1) ? "&" : "?") + jQuery.param(data); if ( data ) url += ((url.indexOf("?") > -1) ? "&" : "?") + jQuery.param(data);
// Build and start the HTTP Request // Build and start the HTTP Request
jQuery.ajax({ jQuery.ajax({
url: url, url: url,
@ -347,7 +347,7 @@ jQuery.extend({
} }
}); });
}, },
/** /**
* Load a remote page using an HTTP GET request, only if it hasn't * 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 * been modified since it was last retrieved. All of the arguments to
@ -375,7 +375,7 @@ jQuery.extend({
* }); * });
* *
* @name $.getIfModified * @name $.getIfModified
* @type jQuery * @type undefined
* @param String url The URL of the page to load. * @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 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 Function callback A function to be executed whenever the data is loaded.
@ -406,7 +406,7 @@ jQuery.extend({
* ok( true, "Check with single argument, can't verify" ); * ok( true, "Check with single argument, can't verify" );
* *
* @name $.getScript * @name $.getScript
* @type jQuery * @type undefined
* @param String url The URL of the page to load. * @param String url The URL of the page to load.
* @param Function callback A function to be executed whenever the data is loaded. * @param Function callback A function to be executed whenever the data is loaded.
* @cat AJAX * @cat AJAX
@ -418,7 +418,7 @@ jQuery.extend({
jQuery.get(url, null, null, "script"); jQuery.get(url, null, null, "script");
} }
}, },
/** /**
* Load a remote JSON object using an HTTP GET request. * Load a remote JSON object using an HTTP GET request.
* All of the arguments to the method (except URL) are optional. * All of the arguments to the method (except URL) are optional.
@ -450,7 +450,7 @@ jQuery.extend({
* }); * });
* *
* @name $.getJSON * @name $.getJSON
* @type jQuery * @type undefined
* @param String url The URL of the page to load. * @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 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 Function callback A function to be executed whenever the data is loaded.
@ -463,7 +463,7 @@ jQuery.extend({
jQuery.get(url, data, "json"); jQuery.get(url, data, "json");
} }
}, },
/** /**
* Load a remote page using an HTTP POST request. All of the arguments to * Load a remote page using an HTTP POST request. All of the arguments to
* the method (except URL) are optional. * the method (except URL) are optional.
@ -493,7 +493,7 @@ jQuery.extend({
* }); * });
* *
* @name $.post * @name $.post
* @type jQuery * @type undefined
* @param String url The URL of the page to load. * @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 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 Function callback A function to be executed whenever the data is loaded.
@ -510,7 +510,7 @@ jQuery.extend({
} }
}); });
}, },
// timeout (ms) // timeout (ms)
timeout: 0, timeout: 0,
@ -564,10 +564,10 @@ jQuery.extend({
* }); * });
* // reset timeout * // reset timeout
* $.ajaxTimeout(0); * $.ajaxTimeout(0);
* *
* *
* @name $.ajaxTimeout * @name $.ajaxTimeout
* @type jQuery * @type undefined
* @param Number time How long before an AJAX request times out. * @param Number time How long before an AJAX request times out.
* @cat AJAX * @cat AJAX
*/ */
@ -577,7 +577,7 @@ jQuery.extend({
// Last-Modified header cache for next request // Last-Modified header cache for next request
lastModified: {}, lastModified: {},
/** /**
* Load a remote page using an HTTP request. This function is the primary * Load a remote page using an HTTP request. This function is the primary
* means of making AJAX requests using jQuery. $.ajax() takes one property, * means of making AJAX requests using jQuery. $.ajax() takes one property,
@ -588,7 +588,7 @@ jQuery.extend({
* (String) type - The type of request to make (e.g. "POST" or "GET"). * (String) type - The type of request to make (e.g. "POST" or "GET").
* *
* (String) url - The URL of the page to request. * (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 - A string of data to be sent to the server (POST only).
* *
* (String) dataType - The type of data that you're expecting back from * (String) dataType - The type of data that you're expecting back from
@ -684,13 +684,13 @@ jQuery.extend({
* }); * });
* *
* @name $.ajax * @name $.ajax
* @type jQuery * @type undefined
* @param Hash prop A set of properties to initialize the request with. * @param Hash prop A set of properties to initialize the request with.
* @cat AJAX * @cat AJAX
*/ */
//ajax: function( type, url, data, ret, ifModified ) { //ajax: function( type, url, data, ret, ifModified ) {
ajax: function( s ) { ajax: function( s ) {
var fvoid = function() {}; var fvoid = function() {};
s = jQuery.extend({ s = jQuery.extend({
global: true, global: true,
@ -705,9 +705,9 @@ jQuery.extend({
url: null url: null
}, s); }, s);
/* /*
// If only a single argument was passed in, // If only a single argument was passed in,
// assume that it is a object of key/value pairs // assume that it is a object of key/value pairs
if ( !url ) { if ( !url ) {
ret = type.complete; ret = type.complete;
var success = type.success; var success = type.success;
@ -721,35 +721,35 @@ jQuery.extend({
type = type.type; type = type.type;
} }
*/ */
// Watch for a new set of requests // Watch for a new set of requests
if ( s.global && ! jQuery.active++ ) if ( s.global && ! jQuery.active++ )
jQuery.event.trigger( "ajaxStart" ); jQuery.event.trigger( "ajaxStart" );
var requestDone = false; var requestDone = false;
// Create the request object // Create the request object
var xml = new XMLHttpRequest(); var xml = new XMLHttpRequest();
// Open the socket // Open the socket
xml.open(s.type, s.url, true); xml.open(s.type, s.url, true);
// Set the correct header, if data is being sent // Set the correct header, if data is being sent
if ( s.data ) if ( s.data )
xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
// Set the If-Modified-Since header, if ifModified mode. // Set the If-Modified-Since header, if ifModified mode.
if ( s.ifModified ) if ( s.ifModified )
xml.setRequestHeader("If-Modified-Since", xml.setRequestHeader("If-Modified-Since",
jQuery.lastModified[s.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 // Set header so the called script knows that it's an XMLHttpRequest
xml.setRequestHeader("X-Requested-With", "XMLHttpRequest"); xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// Make sure the browser sends the right content length // Make sure the browser sends the right content length
if ( xml.overrideMimeType ) if ( xml.overrideMimeType )
xml.setRequestHeader("Connection", "close"); xml.setRequestHeader("Connection", "close");
// Wait for a response to come back // 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 // The transfer is complete and the data is available, or the request timed out
@ -758,7 +758,7 @@ jQuery.extend({
var status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ? var status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error"; s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
// Make sure that the request was successful or notmodified // Make sure that the request was successful or notmodified
if ( status != "error" ) { if ( status != "error" ) {
// Cache Last-Modified header, if ifModified mode. // Cache Last-Modified header, if ifModified mode.
@ -766,47 +766,47 @@ jQuery.extend({
try { try {
modRes = xml.getResponseHeader("Last-Modified"); modRes = xml.getResponseHeader("Last-Modified");
} catch(e) {} // swallow exception thrown by FF if header is not available } catch(e) {} // swallow exception thrown by FF if header is not available
if ( s.ifModified && modRes ) if ( s.ifModified && modRes )
jQuery.lastModified[s.url] = modRes; jQuery.lastModified[s.url] = modRes;
// If a local callback was specified, fire it // If a local callback was specified, fire it
if ( s.success ) if ( s.success )
s.success( jQuery.httpData( xml, s.dataType ), status ); s.success( jQuery.httpData( xml, s.dataType ), status );
// Fire the global callback // Fire the global callback
if( s.global ) if( s.global )
jQuery.event.trigger( "ajaxSuccess" ); jQuery.event.trigger( "ajaxSuccess" );
// Otherwise, the request was not successful // Otherwise, the request was not successful
} else { } else {
// If a local callback was specified, fire it // If a local callback was specified, fire it
if ( s.error ) s.error( xml, status ); if ( s.error ) s.error( xml, status );
// Fire the global callback // Fire the global callback
if( s.global ) if( s.global )
jQuery.event.trigger( "ajaxError" ); jQuery.event.trigger( "ajaxError" );
} }
// The request was completed // The request was completed
if( s.global ) if( s.global )
jQuery.event.trigger( "ajaxComplete" ); jQuery.event.trigger( "ajaxComplete" );
// Handle the global AJAX counter // Handle the global AJAX counter
if ( s.global && ! --jQuery.active ) if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" ); jQuery.event.trigger( "ajaxStop" );
// Process result // Process result
if ( s.complete ) s.complete(xml, status); if ( s.complete ) s.complete(xml, status);
// Stop memory leaks // Stop memory leaks
xml.onreadystatechange = function(){}; xml.onreadystatechange = function(){};
xml = null; xml = null;
} }
}; };
xml.onreadystatechange = onreadystatechange; xml.onreadystatechange = onreadystatechange;
// Timeout checker // Timeout checker
if(s.timeout > 0) if(s.timeout > 0)
setTimeout(function(){ setTimeout(function(){
@ -821,14 +821,14 @@ jQuery.extend({
xml = null; xml = null;
} }
}, s.timeout); }, s.timeout);
// Send the data // Send the data
xml.send(s.data); xml.send(s.data);
}, },
// Counter for holding the number of active queries // Counter for holding the number of active queries
active: 0, active: 0,
// Determines if an XMLHttpRequest was successful or not // Determines if an XMLHttpRequest was successful or not
httpSuccess: function(r) { httpSuccess: function(r) {
try { try {
@ -852,7 +852,7 @@ jQuery.extend({
return false; return false;
}, },
/* Get the data out of an XMLHttpRequest. /* Get the data out of an XMLHttpRequest.
* Return parsed XML if content-type header is "xml" and type is "xml" or omitted, * Return parsed XML if content-type header is "xml" and type is "xml" or omitted,
* otherwise return plain text. * otherwise return plain text.
@ -869,32 +869,32 @@ jQuery.extend({
// Get the JavaScript object, if JSON is used. // Get the JavaScript object, if JSON is used.
if ( type == "json" ) eval( "data = " + data ); if ( type == "json" ) eval( "data = " + data );
// evaluate scripts within html // evaluate scripts within html
if ( type == "html" ) jQuery("<div>").html(data).evalScripts(); if ( type == "html" ) jQuery("<div>").html(data).evalScripts();
return data; return data;
}, },
// Serialize an array of form elements or a set of // Serialize an array of form elements or a set of
// key/values into a query string // key/values into a query string
param: function(a) { param: function(a) {
var s = []; var s = [];
// If an array was passed in, assume that it is an array // If an array was passed in, assume that it is an array
// of form elements // of form elements
if ( a.constructor == Array || a.jquery ) { if ( a.constructor == Array || a.jquery ) {
// Serialize the form elements // Serialize the form elements
for ( var i = 0; i < a.length; i++ ) for ( var i = 0; i < a.length; i++ )
s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) ); s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );
// Otherwise, assume that it's an object of key/value pairs // Otherwise, assume that it's an object of key/value pairs
} else { } else {
// Serialize the key/values // Serialize the key/values
for ( var j in a ) for ( var j in a )
s.push( j + "=" + encodeURIComponent( a[j] ) ); s.push( j + "=" + encodeURIComponent( a[j] ) );
} }
// Return the resulting serialization // Return the resulting serialization
return s.join("&"); return s.join("&");
} }