📄 jquery.js
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// Get next function
var f = elem.queue[type][0];
if ( f ) f.apply( elem );
}
},
/*
* I originally wrote fx() as a clone of moo.fx and in the process
* of making it small in size the code became illegible to sane
* people. You've been warned.
*/
fx: function( elem, options, prop ){
var z = this;
// The users options
z.o = {
duration: options.duration || 400,
complete: options.complete,
step: options.step
};
// The element
z.el = elem;
// The styles
var y = z.el.style;
// Simple function for setting a style value
z.a = function(){
if ( options.step )
options.step.apply( elem, [ z.now ] );
if ( prop == "opacity" ) {
if (jQuery.browser.mozilla && z.now == 1) z.now = 0.9999;
if (window.ActiveXObject)
y.filter = "alpha(opacity=" + z.now*100 + ")";
else
y.opacity = z.now;
// My hate for IE will never die
} else if ( parseInt(z.now) )
y[prop] = parseInt(z.now) + "px";
y.display = "block";
};
// Figure out the maximum number to run to
z.max = function(){
return parseFloat( jQuery.css(z.el,prop) );
};
// Get the current size
z.cur = function(){
var r = parseFloat( jQuery.curCSS(z.el, prop) );
return r && r > -10000 ? r : z.max();
};
// Start an animation from one number to another
z.custom = function(from,to){
z.startTime = (new Date()).getTime();
z.now = from;
z.a();
z.timer = setInterval(function(){
z.step(from, to);
}, 13);
};
// Simple 'show' function
z.show = function( p ){
if ( !z.el.orig ) z.el.orig = {};
// Remember where we started, so that we can go back to it later
z.el.orig[prop] = this.cur();
z.custom( 0, z.el.orig[prop] );
// Stupid IE, look what you made me do
if ( prop != "opacity" )
y[prop] = "1px";
};
// Simple 'hide' function
z.hide = function(){
if ( !z.el.orig ) z.el.orig = {};
// Remember where we started, so that we can go back to it later
z.el.orig[prop] = this.cur();
z.o.hide = true;
// Begin the animation
z.custom(z.el.orig[prop], 0);
};
// IE has trouble with opacity if it does not have layout
if ( jQuery.browser.msie && !z.el.currentStyle.hasLayout )
y.zoom = "1";
// Remember the overflow of the element
if ( !z.el.oldOverlay )
z.el.oldOverflow = jQuery.css( z.el, "overflow" );
// Make sure that nothing sneaks out
y.overflow = "hidden";
// Each step of an animation
z.step = function(firstNum, lastNum){
var t = (new Date()).getTime();
if (t > z.o.duration + z.startTime) {
// Stop the timer
clearInterval(z.timer);
z.timer = null;
z.now = lastNum;
z.a();
z.el.curAnim[ prop ] = true;
var done = true;
for ( var i in z.el.curAnim )
if ( z.el.curAnim[i] !== true )
done = false;
if ( done ) {
// Reset the overflow
y.overflow = z.el.oldOverflow;
// Hide the element if the "hide" operation was done
if ( z.o.hide )
y.display = 'none';
// Reset the property, if the item has been hidden
if ( z.o.hide ) {
for ( var p in z.el.curAnim ) {
y[ p ] = z.el.orig[p] + ( p == "opacity" ? "" : "px" );
// set its height and/or width to auto
if ( p == 'height' || p == 'width' )
jQuery.setAuto( z.el, p );
}
}
}
// If a callback was provided, execute it
if( done && z.o.complete && z.o.complete.constructor == Function )
// Execute the complete function
z.o.complete.apply( z.el );
} else {
// Figure out where in the animation we are and set the number
var p = (t - this.startTime) / z.o.duration;
z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
// Perform the next step of the animation
z.a();
}
};
}
});
// AJAX Plugin
// Docs Here:
// http://jquery.com/docs/ajax/
jQuery.fn.loadIfModified = function( url, params, callback ) {
this.load( url, params, callback, 1 );
};
jQuery.fn.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
if ( params.constructor == 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
$("script", self).each(function(){
if ( this.src )
$.getScript( this.src );
else
eval.call( window, this.text || this.textContent || this.innerHTML || "" );
});
} else
callback.apply( self, [res.responseText, status] );
}, ifModified);
return this;
};
// If IE is used, create a wrapper for the XMLHttpRequest object
if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
XMLHttpRequest = function(){
return new ActiveXObject(
navigator.userAgent.indexOf("MSIE 5") >= 0 ?
"Microsoft.XMLHTTP" : "Msxml2.XMLHTTP"
);
};
// Attach a bunch of functions for handling common AJAX events
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){
return this.bind(o, f);
};
};
};
jQuery.extend({
get: function( url, data, callback, type, ifModified ) {
if ( data.constructor == Function ) {
type = callback;
callback = data;
data = null;
}
if ( data ) url += "?" + 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);
},
getIfModified: function( url, data, callback, type ) {
jQuery.get(url, data, callback, type, 1);
},
getScript: function( url, data, callback ) {
jQuery.get(url, data, callback, "script");
},
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 );
});
},
// timeout (ms)
timeout: 0,
ajaxTimeout: function(timeout) {
jQuery.timeout = timeout;
},
// Last-Modified header cache for next request
lastModified: {},
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;
data = type.data;
url = type.url;
type = type.type;
}
// Watch for a new set of requests
if ( ! 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);
// Set the correct header, if data is being sent
if ( data )
xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
// Set the If-Modified-Since header, if ifModified mode.
if ( ifModified )
xml.setRequestHeader("If-Modified-Since",
jQuery.lastModified[url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
// 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
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") ) {
requestDone = true;
var status = jQuery.httpSuccess( xml ) && istimeout != "timeout" ?
ifModified && jQuery.httpNotModified( xml, url ) ? "notmodified" : "success" : "error";
// Make sure that the request was successful or notmodified
if ( status != "error" ) {
// Cache Last-Modified header, if ifModified mode.
var modRes = xml.getResponseHeader("Last-Modified");
if ( ifModified && modRes ) jQuery.lastModified[url] = modRes;
// If a local callback was specified, fire it
if ( success ) success( xml, status );
// 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, status );
// 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, status);
// Stop memory leaks
xml.onreadystatechange = function(){};
xml = null;
}
};
xml.onreadystatechange = onreadystatechange;
// Timeout checker
if(jQuery.timeout > 0)
setTimeout(function(){
// Check to see if the request is still happening
if (xml) {
// Cancel the request
xml.abort();
if ( !requestDone ) onreadystatechange( "timeout" );
// Clear from memory
xml = null;
}
}, jQuery.timeout);
// 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 && location.protocol == "file:" ||
( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
jQuery.browser.safari && r.status == undefined;
} catch(e){}
return false;
},
// Determines if an XMLHttpRequest returns NotModified
httpNotModified: function(xml, url) {
try {
var xmlRes = xml.getResponseHeader("Last-Modified");
// Firefox always returns 200. check Last-Modified date
return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
jQuery.browser.safari && xml.status == undefined;
} 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 data = !type && ct && ct.indexOf("xml") >= 0;
data = type == "xml" || data ? r.responseXML : r.responseText;
// If the type is "script", eval it
if ( type == "script" ) eval.call( window, data );
// Get the JavaScript object, if JSON is used.
if ( type == "json" ) eval( "data = " + data );
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 ) {
// 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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