* @see hide(String|Number,Function)
*/
show: function(speed,callback){
- return speed ?
- this.animate({
+ var hidden = this.filter(":hidden");
+ speed ?
+ hidden.animate({
height: "show", width: "show", opacity: "show"
}, speed, callback) :
- this.each(function(){
+ hidden.each(function(){
this.style.display = this.oldblock ? this.oldblock : "";
if ( jQuery.css(this,"display") == "none" )
this.style.display = "block";
});
+ return this;
},
/**
* @see show(String|Number,Function)
*/
hide: function(speed,callback){
- return speed ?
- this.animate({
+ var visible = this.filter(":visible");
+ speed ?
+ visible.animate({
height: "hide", width: "hide", opacity: "hide"
}, speed, callback) :
- this.each(function(){
+ visible.each(function(){
this.oldblock = this.oldblock || jQuery.css(this,"display");
if ( this.oldblock == "none" )
this.oldblock = "block";
this.style.display = "none";
});
+ return this;
},
// Save the old toggle function
* @cat Effects
*/
toggle: function( fn, fn2 ){
- return fn ?
+ var args = arguments;
+ return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
this._toggle( fn, fn2 ) :
this.each(function(){
jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]
- .apply( jQuery(this), arguments );
+ .apply( jQuery(this), args );
});
},
* @see slideToggle(String|Number,Function)
*/
slideDown: function(speed,callback){
- return this.animate({height: "show"}, speed, callback);
+ return this.filter(":hidden").animate({height: "show"}, speed, callback).end();
},
/**
* @see slideToggle(String|Number,Function)
*/
slideUp: function(speed,callback){
- return this.animate({height: "hide"}, speed, callback);
+ return this.filter(":visible").animate({height: "hide"}, speed, callback).end();
},
/**
* @see fadeTo(String|Number,Number,Function)
*/
fadeIn: function(speed, callback){
- return this.animate({opacity: "show"}, speed, callback);
+ return this.filter(":hidden").animate({opacity: "show"}, speed, callback).end();
},
/**
* @see fadeTo(String|Number,Number,Function)
*/
fadeOut: function(speed, callback){
- return this.animate({opacity: "hide"}, speed, callback);
+ return this.filter(":visible").animate({opacity: "hide"}, speed, callback).end();
},
/**
},
/**
- * A function for making your own, custom, animations. The key aspect of
+ * A function for making your own, custom animations. The key aspect of
* this function is the object of style properties that will be animated,
* and to what end. Each key within the object represents a style property
* that will also be animated (for example: "height", "top", or "opacity").
*
+ * Note that properties should be specified using camel case
+ * eg. marginLeft instead of margin-left.
+ *
* The value associated with the key represents to what end the property
* will be animated. If a number is provided as the value, then the style
* property will be transitioned from its current state to that new number.
- * Oterwise if the string "hide", "show", or "toggle" is provided, a default
+ * Otherwise if the string "hide", "show", or "toggle" is provided, a default
* animation will be constructed for that property.
*
* @example $("p").animate({
* @type jQuery
* @param Hash params A set of style attributes that you wish to animate, and to what end.
* @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
- * @param String easing (optional) The name of the easing effect that you want to use (Plugin Required).
+ * @param String easing (optional) The name of the easing effect that you want to use (e.g. swing or linear). Defaults to "swing".
* @param Function callback (optional) A function to be executed whenever the animation completes.
* @cat Effects
*/
jQuery.extend({
speed: function(speed, easing, fn) {
- var opt = speed.constructor == Object ? speed : {
+ var opt = speed && speed.constructor == Object ? speed : {
complete: fn || !fn && easing ||
- speed.constructor == Function && speed,
+ jQuery.isFunction( speed ) && speed,
duration: speed,
- easing: fn && easing || easing && easing.constructor != Function && easing
+ easing: fn && easing || easing && easing.constructor != Function && easing || "swing"
};
- opt.duration = (opt.duration.constructor == Number ?
+ opt.duration = (opt.duration && opt.duration.constructor == Number ?
opt.duration :
{ slow: 600, fast: 200 }[opt.duration]) || 400;
// Queueing
- opt.oldComplete = opt.complete;
+ opt.old = opt.complete;
opt.complete = function(){
jQuery.dequeue(this, "fx");
- if ( opt.oldComplete && opt.oldComplete.constructor == Function )
- opt.oldComplete.apply( this );
+ if ( jQuery.isFunction( opt.old ) )
+ opt.old.apply( this );
};
return opt;
},
- easing: {},
+ easing: {
+ linear: function( p, n, firstNum, diff ) {
+ return firstNum + diff * p;
+ },
+ swing: function( p, n, firstNum, diff ) {
+ return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum;
+ }
+ },
queue: {},
}
},
+ timers: [],
+
/*
* 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
// The styles
var y = elem.style;
- // Store display property
- var oldDisplay = jQuery.css(elem, 'display');
- // Set display property to block for animation
- y.display = "block";
- // Make sure that nothing sneaks out
- y.overflow = "hidden";
+ if ( prop == "height" || prop == "width" ) {
+ // Store display property
+ var oldDisplay = jQuery.css(elem, "display");
+
+ // Make sure that nothing sneaks out
+ var oldOverflow = y.overflow;
+ y.overflow = "hidden";
+ }
// Simple function for setting a style value
z.a = function(){
if ( prop == "opacity" )
jQuery.attr(y, "opacity", z.now); // Let attr handle opacity
- else if ( parseInt(z.now) ) // My hate for IE will never die
+ else {
y[prop] = parseInt(z.now) + "px";
+ y.display = "block"; // Set display property to block for animation
+ }
};
// Figure out the maximum number to run to
z.now = from;
z.a();
- z.timer = setInterval(function(){
- z.step(from, to);
- }, 13);
+ jQuery.timers.push(function(){
+ return z.step(from, to);
+ });
+
+ if ( jQuery.timers.length == 1 ) {
+ var timer = setInterval(function(){
+ jQuery.timers = jQuery.grep( jQuery.timers, function(fn){
+ return fn();
+ });
+
+ if ( !jQuery.timers.length )
+ clearInterval( timer );
+ }, 13);
+ }
};
// Simple 'show' function
if ( !elem.orig ) elem.orig = {};
// Remember where we started, so that we can go back to it later
- elem.orig[prop] = this.cur();
+ elem.orig[prop] = jQuery.attr( elem.style, prop );
options.show = true;
// Begin the animation
- z.custom(0, elem.orig[prop]);
+ z.custom(0, this.cur());
// Stupid IE, look what you made me do
if ( prop != "opacity" )
if ( !elem.orig ) elem.orig = {};
// Remember where we started, so that we can go back to it later
- elem.orig[prop] = this.cur();
+ elem.orig[prop] = jQuery.attr( elem.style, prop );
options.hide = true;
// Begin the animation
- z.custom(elem.orig[prop], 0);
+ z.custom(this.cur(), 0);
};
//Simple 'toggle' function
if ( !elem.orig ) elem.orig = {};
// Remember where we started, so that we can go back to it later
- elem.orig[prop] = this.cur();
+ elem.orig[prop] = jQuery.attr( elem.style, prop );
- if(oldDisplay == 'none') {
+ if(oldDisplay == "none") {
options.show = true;
// Stupid IE, look what you made me do
y[prop] = "1px";
// Begin the animation
- z.custom(0, elem.orig[prop]);
+ z.custom(0, this.cur());
} else {
options.hide = true;
// Begin the animation
- z.custom(elem.orig[prop], 0);
+ z.custom(this.cur(), 0);
}
};
var t = (new Date()).getTime();
if (t > options.duration + z.startTime) {
- // Stop the timer
- clearInterval(z.timer);
- z.timer = null;
-
z.now = lastNum;
z.a();
done = false;
if ( done ) {
- // Reset the overflow
- y.overflow = '';
+ if ( oldDisplay ) {
+ // Reset the overflow
+ y.overflow = oldOverflow;
- // Reset the display
- y.display = oldDisplay;
- if (jQuery.css(elem, 'display') == 'none')
- y.display = 'block';
+ // Reset the display
+ y.display = oldDisplay;
+ if (jQuery.css(elem, "display") == "none")
+ y.display = "block";
+ }
// Hide the element if the "hide" operation was done
if ( options.hide )
- y.display = 'none';
+ y.display = "none";
// Reset the properties, if the item has been hidden or shown
if ( options.hide || options.show )
for ( var p in elem.curAnim )
- if (p == "opacity")
- jQuery.attr(y, p, elem.orig[p]);
- else
- y[p] = '';
+ jQuery.attr(y, p, elem.orig[p]);
}
// If a callback was provided, execute it
- if ( done && options.complete && options.complete.constructor == Function )
+ if ( done && jQuery.isFunction( options.complete ) )
// Execute the complete function
options.complete.apply( elem );
+
+ return false;
} else {
var n = t - this.startTime;
// Figure out where in the animation we are and set the number
var p = n / options.duration;
- // If the easing function exists, then use it
- z.now = options.easing && jQuery.easing[options.easing] ?
- jQuery.easing[options.easing](p, n, firstNum, (lastNum-firstNum), options.duration) :
- // else use default linear easing
- ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
+ // Perform the easing function, defaults to swing
+ z.now = jQuery.easing[options.easing](p, n, firstNum, (lastNum-firstNum), options.duration);
// Perform the next step of the animation
z.a();
}
+
+ return true;
};
}