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More bug fixes and added documentation - passes the test suite now.
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@jeresig
jeresig committed Jul 10, 2006
1 parent df9c37e commit 9477c41
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Showing 4 changed files with 563 additions and 518 deletions.
288 ajax/ajax.js
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@@ -5,7 +5,7 @@
/**
* Load HTML from a remote file and inject it into the DOM
*/
jQuery.prototype.load = function( url, params, callback ) {
jQuery.fn.load = function( url, params, callback ) {
// I overwrote the event plugin's .load
// this won't happen again, I hope -John
if ( url && url.constructor == Function )
@@ -52,159 +52,173 @@ jQuery.prototype.load = function( url, params, callback ) {
return this;
};

/**
* Load a remote page using a GET request
*/
jQuery.get = function( url, callback, type ) {
// Build and start the HTTP Request
jQuery.ajax( "GET", url, null, function(r) {
if ( callback ) callback( jQuery.httpData(r,type) );
});
};

/**
* Load a remote page using a POST request.
*/
jQuery.post = function( url, data, callback, type ) {
// Build and start the HTTP Request
jQuery.ajax( "POST", url, jQuery.param(data), function(r) {
if ( callback ) callback( jQuery.httpData(r,type) );
});
};

// If IE is used, create a wrapper for the XMLHttpRequest object
if ( jQuery.browser == "msie" )
if ( jQuery.browser.msie )
XMLHttpRequest = function(){
return new ActiveXObject(
(navigator.userAgent.toLowerCase().indexOf("msie 5") >= 0) ?
navigator.userAgent.indexOf("MSIE 5") >= 0 ?
"Microsoft.XMLHTTP" : "Msxml2.XMLHTTP"
);
};

// Attach a bunch of functions for handling common AJAX events
(function(){
new function(){
var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(',');

for ( var i = 0; i < e.length; i++ ){ (function(){
for ( var i = 0; i < e.length; i++ ) new function(){
var o = e[i];
jQuery.fn[o] = function(f){return this.bind(o, f);};
})();}
})();

/**
* A common wrapper for making XMLHttpRequests
*/
jQuery.ajax = function( type, url, data, ret ) {
// 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;
data = type.data;
url = type.url;
type = type.type;
jQuery.fn[o] = function(f){
return this.bind(o, f);
};
}

// Watch for a new set of requests
if ( ! jQuery.ajax.active++ )
jQuery.event.trigger( "ajaxStart" );
}

// Create the request object
var xml = new XMLHttpRequest();
jQuery.extend({

// Open the socket
xml.open(type || "GET", url, true);
/**
* Load a remote page using a GET request
*/
get: function( url, data, callback, type ) {
if ( data.constructor == Function ) {
callback = data;
data = null;
}

if ( data )
url += "?" + jQuery.param(data);

// Build and start the HTTP Request
jQuery.ajax( "GET", url, null, function(r) {
if ( callback ) callback( jQuery.httpData(r,type) );
});
},

// Set the correct header, if data is being sent
if ( data )
xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

// Set header so calling 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
xml.onreadystatechange = function(){
// The transfer is complete and the data is available
if ( xml.readyState == 4 ) {
// Make sure that the request was successful
if ( jQuery.httpSuccess( xml ) ) {

// If a local callback was specified, fire it
if ( success ) success( xml );
/**
* Load a remote page using a POST request.
*/
post: function( url, data, callback, type ) {
// Build and start the HTTP Request
jQuery.ajax( "POST", url, jQuery.param(data), function(r) {
if ( callback ) callback( jQuery.httpData(r,type) );
});
},

/**
* A common wrapper for making XMLHttpRequests
*/
ajax: function( type, url, data, ret ) {
// 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;
data = type.data;
url = type.url;
type = type.type;
}

// Watch for a new set of requests
if ( ! jQuery.active++ )
jQuery.event.trigger( "ajaxStart" );

// Create the request object
var xml = new XMLHttpRequest();

// Open the socket
xml.open(type || "GET", url, true);

// Set the correct header, if data is being sent
if ( data )
xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

// Set header so calling 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
xml.onreadystatechange = function(){
// The transfer is complete and the data is available
if ( xml.readyState == 4 ) {
// Make sure that the request was successful
if ( jQuery.httpSuccess( xml ) ) {

// Fire the global callback
jQuery.event.trigger( "ajaxSuccess" );

// Otherwise, the request was not successful
} else {
// If a local callback was specified, fire it
if ( error ) error( xml );
// If a local callback was specified, fire it
if ( success ) success( xml );

// Fire the global callback
jQuery.event.trigger( "ajaxSuccess" );

// Fire the global callback
jQuery.event.trigger( "ajaxError" );
// Otherwise, the request was not successful
} else {
// If a local callback was specified, fire it
if ( error ) error( xml );

// Fire the global callback
jQuery.event.trigger( "ajaxError" );
}

// The request was completed
jQuery.event.trigger( "ajaxComplete" );

// Handle the global AJAX counter
if ( ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );

// Process result
if ( ret ) ret(xml);
}

// The request was completed
jQuery.event.trigger( "ajaxComplete" );

// Handle the global AJAX counter
if ( ! --jQuery.ajax.active )
jQuery.event.trigger( "ajaxStop" );

// Process result
if ( ret ) ret(xml);
}
};

// Send the data
xml.send(data);
};

// Counter for holding the number of active queries
jQuery.ajax.active = 0;

// Determines if an XMLHttpRequest was successful or not
jQuery.httpSuccess = function(r) {
try {
return r.status ?
( r.status >= 200 && r.status < 300 ) || r.status == 304 :
location.protocol == "file:";
} catch(e){}
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.
jQuery.httpData = function(r,type) {
var ct = r.getResponseHeader("content-type");
var xml = ( !type || type == "xml" ) && ct && ct.indexOf("xml") >= 0;
return xml ? r.responseXML : r.responseText;
};

// Serialize an array of form elements or a set of
// key/values into a query string
jQuery.param = function(a) {
var s = [];

// If an array was passed in, assume that it is an array
// of form elements
if ( a.constructor == Array )
// Serialize the form elements
for ( var i = 0; i < a.length; i++ )
s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );

// Send the data
xml.send(data);
},

// Counter for holding the number of active queries
active: 0,

// Determines if an XMLHttpRequest was successful or not
httpSuccess: function(r) {
try {
return r.status ?
( r.status >= 200 && r.status < 300 ) || r.status == 304 :
location.protocol == "file:";
} catch(e){}
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.
httpData: function(r,type) {
var ct = r.getResponseHeader("content-type");
var xml = ( !type || type == "xml" ) && ct && ct.indexOf("xml") >= 0;
return xml ? r.responseXML : r.responseText;
},

// Serialize an array of form elements or a set of
// key/values into a query string
param: function(a) {
var s = [];

// 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("&");
};
// If an array was passed in, assume that it is an array
// of form elements
if ( a.constructor == Array )
// 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("&");
}

});

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