4 rfxtypes = /^(?:toggle|show|hide)$/,
5 rfxnum = /^([+\-]=)?([\d+.\-]+)(.*)$/,
9 [ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ],
11 [ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ],
17 show: function( speed, easing, callback ) {
18 if ( speed || speed === 0 ) {
19 return this.animate( genFx("show", 3), speed, easing, callback);
21 for ( var i = 0, j = this.length; i < j; i++ ) {
22 // Reset the inline display of this element to learn if it is
23 // being hidden by cascaded rules or not
24 if ( !jQuery.data(this[i], "olddisplay") && this[i].style.display === "none" ) {
25 this[i].style.display = "";
28 // Set elements which have been overridden with display: none
29 // in a stylesheet to whatever the default browser style is
30 // for such an element
31 if ( this[i].style.display === "" && jQuery.css( this[i], "display" ) === "none" ) {
32 jQuery.data(this[i], "olddisplay", defaultDisplay(this[i].nodeName));
36 // Set the display of most of the elements in a second loop
37 // to avoid the constant reflow
38 for ( i = 0; i < j; i++ ) {
39 this[i].style.display = jQuery.data(this[i], "olddisplay") || "";
46 hide: function( speed, easing, callback ) {
47 if ( speed || speed === 0 ) {
48 return this.animate( genFx("hide", 3), speed, easing, callback);
51 for ( var i = 0, j = this.length; i < j; i++ ) {
52 var display = jQuery.css( this[i], "display" );
54 if ( display !== "none" ) {
55 jQuery.data( this[i], "olddisplay", display );
59 // Set the display of the elements in a second loop
60 // to avoid the constant reflow
61 for ( i = 0; i < j; i++ ) {
62 this[i].style.display = "none";
69 // Save the old toggle function
70 _toggle: jQuery.fn.toggle,
72 toggle: function( fn, fn2, callback ) {
73 var bool = typeof fn === "boolean";
75 if ( jQuery.isFunction(fn) && jQuery.isFunction(fn2) ) {
76 this._toggle.apply( this, arguments );
78 } else if ( fn == null || bool ) {
79 this.each(function() {
80 var state = bool ? fn : jQuery(this).is(":hidden");
81 jQuery(this)[ state ? "show" : "hide" ]();
85 this.animate(genFx("toggle", 3), fn, fn2, callback);
91 fadeTo: function( speed, to, easing, callback ) {
92 return this.filter(":hidden").css("opacity", 0).show().end()
93 .animate({opacity: to}, speed, easing, callback);
96 animate: function( prop, speed, easing, callback ) {
97 var optall = jQuery.speed(speed, easing, callback);
99 if ( jQuery.isEmptyObject( prop ) ) {
100 return this.each( optall.complete );
103 return this[ optall.queue === false ? "each" : "queue" ](function() {
104 // XXX ‘this’ does not always have a nodeName when running the
107 var opt = jQuery.extend({}, optall), p,
108 isElement = this.nodeType === 1,
109 hidden = isElement && jQuery(this).is(":hidden"),
113 var name = jQuery.camelCase( p );
116 prop[ name ] = prop[ p ];
121 if ( prop[p] === "hide" && hidden || prop[p] === "show" && !hidden ) {
122 return opt.complete.call(this);
125 if ( isElement && ( p === "height" || p === "width" ) ) {
126 // Make sure that nothing sneaks out
127 // Record all 3 overflow attributes because IE does not
128 // change the overflow attribute when overflowX and
129 // overflowY are set to the same value
130 opt.overflow = [ this.style.overflow, this.style.overflowX, this.style.overflowY ];
132 // Set display property to inline-block for height/width
133 // animations on inline elements that are having width/height
135 if ( jQuery.css( this, "display" ) === "inline" &&
136 jQuery.css( this, "float" ) === "none" ) {
137 if ( !jQuery.support.inlineBlockNeedsLayout ) {
138 this.style.display = "inline-block";
141 var display = defaultDisplay(this.nodeName);
143 // inline-level elements accept inline-block;
144 // block-level elements need to be inline with layout
145 if ( display === "inline" ) {
146 this.style.display = "inline-block";
149 this.style.display = "inline";
156 if ( jQuery.isArray( prop[p] ) ) {
157 // Create (if needed) and add to specialEasing
158 (opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1];
159 prop[p] = prop[p][0];
163 if ( opt.overflow != null ) {
164 this.style.overflow = "hidden";
167 opt.curAnim = jQuery.extend({}, prop);
169 jQuery.each( prop, function( name, val ) {
170 var e = new jQuery.fx( self, opt, name );
172 if ( rfxtypes.test(val) ) {
173 e[ val === "toggle" ? hidden ? "show" : "hide" : val ]( prop );
176 var parts = rfxnum.exec(val),
177 start = e.cur() || 0;
180 var end = parseFloat( parts[2] ),
181 unit = parts[3] || "px";
183 // We need to compute starting value
184 if ( unit !== "px" ) {
185 jQuery.style( self, name, (end || 1) + unit);
186 start = ((end || 1) / e.cur()) * start;
187 jQuery.style( self, name, start + unit);
190 // If a +=/-= token was provided, we're doing a relative animation
192 end = ((parts[1] === "-=" ? -1 : 1) * end) + start;
195 e.custom( start, end, unit );
198 e.custom( start, val, "" );
203 // For JS strict compliance
208 stop: function( clearQueue, gotoEnd ) {
209 var timers = jQuery.timers;
215 this.each(function() {
216 // go in reverse order so anything added to the queue during the loop is ignored
217 for ( var i = timers.length - 1; i >= 0; i-- ) {
218 if ( timers[i].elem === this ) {
220 // force the next step to be the last
229 // start the next in the queue if the last step wasn't forced
239 function genFx( type, num ) {
242 jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function() {
249 // Generate shortcuts for custom animations
251 slideDown: genFx("show", 1),
252 slideUp: genFx("hide", 1),
253 slideToggle: genFx("toggle", 1),
254 fadeIn: { opacity: "show" },
255 fadeOut: { opacity: "hide" },
256 fadeToggle: { opacity: "toggle" }
257 }, function( name, props ) {
258 jQuery.fn[ name ] = function( speed, easing, callback ) {
259 return this.animate( props, speed, easing, callback );
264 speed: function( speed, easing, fn ) {
265 var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
266 complete: fn || !fn && easing ||
267 jQuery.isFunction( speed ) && speed,
269 easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
272 opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
273 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default;
276 opt.old = opt.complete;
277 opt.complete = function() {
278 if ( opt.queue !== false ) {
279 jQuery(this).dequeue();
281 if ( jQuery.isFunction( opt.old ) ) {
282 opt.old.call( this );
290 linear: function( p, n, firstNum, diff ) {
291 return firstNum + diff * p;
293 swing: function( p, n, firstNum, diff ) {
294 return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum;
300 fx: function( elem, options, prop ) {
301 this.options = options;
305 if ( !options.orig ) {
312 jQuery.fx.prototype = {
313 // Simple function for setting a style value
315 if ( this.options.step ) {
316 this.options.step.call( this.elem, this.now, this );
319 (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
322 // Get the current size
324 if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
325 return this.elem[ this.prop ];
328 var r = parseFloat( jQuery.css( this.elem, this.prop ) );
329 return r && r > -10000 ? r : 0;
332 // Start an animation from one number to another
333 custom: function( from, to, unit ) {
334 this.startTime = jQuery.now();
337 this.unit = unit || this.unit || "px";
338 this.now = this.start;
339 this.pos = this.state = 0;
341 var self = this, fx = jQuery.fx;
342 function t( gotoEnd ) {
343 return self.step(gotoEnd);
348 if ( t() && jQuery.timers.push(t) && !timerId ) {
349 timerId = setInterval(fx.tick, fx.interval);
353 // Simple 'show' function
355 // Remember where we started, so that we can go back to it later
356 this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
357 this.options.show = true;
359 // Begin the animation
360 // Make sure that we start at a small width/height to avoid any
362 this.custom(this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur());
364 // Start by showing the element
365 jQuery( this.elem ).show();
368 // Simple 'hide' function
370 // Remember where we started, so that we can go back to it later
371 this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
372 this.options.hide = true;
374 // Begin the animation
375 this.custom(this.cur(), 0);
378 // Each step of an animation
379 step: function( gotoEnd ) {
380 var t = jQuery.now(), done = true;
382 if ( gotoEnd || t >= this.options.duration + this.startTime ) {
384 this.pos = this.state = 1;
387 this.options.curAnim[ this.prop ] = true;
389 for ( var i in this.options.curAnim ) {
390 if ( this.options.curAnim[i] !== true ) {
396 // Reset the overflow
397 if ( this.options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
398 var elem = this.elem, options = this.options;
399 jQuery.each( [ "", "X", "Y" ], function (index, value) {
400 elem.style[ "overflow" + value ] = options.overflow[index];
404 // Hide the element if the "hide" operation was done
405 if ( this.options.hide ) {
406 jQuery(this.elem).hide();
409 // Reset the properties, if the item has been hidden or shown
410 if ( this.options.hide || this.options.show ) {
411 for ( var p in this.options.curAnim ) {
412 jQuery.style( this.elem, p, this.options.orig[p] );
416 // Execute the complete function
417 this.options.complete.call( this.elem );
423 var n = t - this.startTime;
424 this.state = n / this.options.duration;
426 // Perform the easing function, defaults to swing
427 var specialEasing = this.options.specialEasing && this.options.specialEasing[this.prop];
428 var defaultEasing = this.options.easing || (jQuery.easing.swing ? "swing" : "linear");
429 this.pos = jQuery.easing[specialEasing || defaultEasing](this.state, n, 0, 1, this.options.duration);
430 this.now = this.start + ((this.end - this.start) * this.pos);
432 // Perform the next step of the animation
440 jQuery.extend( jQuery.fx, {
442 var timers = jQuery.timers;
444 for ( var i = 0; i < timers.length; i++ ) {
445 if ( !timers[i]() ) {
446 timers.splice(i--, 1);
450 if ( !timers.length ) {
458 clearInterval( timerId );
470 opacity: function( fx ) {
471 jQuery.style( fx.elem, "opacity", fx.now );
474 _default: function( fx ) {
475 if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) {
476 fx.elem.style[ fx.prop ] = (fx.prop === "width" || fx.prop === "height" ? Math.max(0, fx.now) : fx.now) + fx.unit;
478 fx.elem[ fx.prop ] = fx.now;
484 if ( jQuery.expr && jQuery.expr.filters ) {
485 jQuery.expr.filters.animated = function( elem ) {
486 return jQuery.grep(jQuery.timers, function( fn ) {
487 return elem === fn.elem;
492 function defaultDisplay( nodeName ) {
493 if ( !elemdisplay[ nodeName ] ) {
494 var elem = jQuery("<" + nodeName + ">").appendTo("body"),
495 display = elem.css("display");
499 if ( display === "none" || display === "" ) {
503 elemdisplay[ nodeName ] = display;
506 return elemdisplay[ nodeName ];