aboutsummaryrefslogtreecommitdiffstats
path: root/src/effects.js
diff options
context:
space:
mode:
authorjeresig <jeresig@gmail.com>2009-12-18 11:01:19 -0500
committerjeresig <jeresig@gmail.com>2009-12-18 11:01:19 -0500
commitb70872f70d720e5f25eea7fdf0453804074dc194 (patch)
tree9624b1f7de8c8650d5038c53645a7b4a85786668 /src/effects.js
parent9368b188c06dd66d43e3a488465078e1d6eb765f (diff)
downloadjquery-b70872f70d720e5f25eea7fdf0453804074dc194.tar.gz
jquery-b70872f70d720e5f25eea7fdf0453804074dc194.zip
Renamed the 'fx' module to 'effects'. Should've been done a long time ago.
Diffstat (limited to 'src/effects.js')
-rw-r--r--src/effects.js458
1 files changed, 458 insertions, 0 deletions
diff --git a/src/effects.js b/src/effects.js
new file mode 100644
index 000000000..6bcaac030
--- /dev/null
+++ b/src/effects.js
@@ -0,0 +1,458 @@
+var elemdisplay = {},
+ timerId,
+ fxAttrs = [
+ // height animations
+ [ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ],
+ // width animations
+ [ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ],
+ // opacity animations
+ [ "opacity" ]
+ ];
+
+function genFx( type, num ){
+ var obj = {};
+ jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function(){
+ obj[ this ] = type;
+ });
+ return obj;
+}
+
+jQuery.fn.extend({
+ show: function( speed, callback ) {
+ if ( speed != null ) {
+ return this.animate( genFx("show", 3), speed, callback);
+ } else {
+ for ( var i = 0, l = this.length; i < l; i++ ){
+ var old = jQuery.data(this[i], "olddisplay");
+
+ this[i].style.display = old || "";
+
+ if ( jQuery.css(this[i], "display") === "none" ) {
+ var nodeName = this[i].nodeName, display;
+
+ if ( elemdisplay[ nodeName ] ) {
+ display = elemdisplay[ nodeName ];
+ } else {
+ var elem = jQuery("<" + nodeName + " />").appendTo("body");
+
+ display = elem.css("display");
+ if ( display === "none" ) {
+ display = "block";
+ }
+ elem.remove();
+
+ elemdisplay[ nodeName ] = display;
+ }
+
+ jQuery.data(this[i], "olddisplay", display);
+ }
+ }
+
+ // Set the display of the elements in a second loop
+ // to avoid the constant reflow
+ for ( var i = 0, l = this.length; i < l; i++ ){
+ this[i].style.display = jQuery.data(this[i], "olddisplay") || "";
+ }
+
+ return this;
+ }
+ },
+
+ hide: function( speed, callback ) {
+ if ( speed != null ) {
+ return this.animate( genFx("hide", 3), speed, callback);
+ } else {
+ for ( var i = 0, l = this.length; i < l; i++ ){
+ var old = jQuery.data(this[i], "olddisplay");
+ if ( !old && old !== "none" ){
+ jQuery.data(this[i], "olddisplay", jQuery.css(this[i], "display"));
+ }
+ }
+
+ // Set the display of the elements in a second loop
+ // to avoid the constant reflow
+ for ( var i = 0, l = this.length; i < l; i++ ){
+ this[i].style.display = "none";
+ }
+
+ return this;
+ }
+ },
+
+ // Save the old toggle function
+ _toggle: jQuery.fn.toggle,
+
+ toggle: function( fn, fn2 ){
+ var bool = typeof fn === "boolean";
+
+ return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
+ this._toggle.apply( this, arguments ) :
+ fn == null || bool ?
+ this.each(function(){
+ var state = bool ? fn : jQuery(this).is(":hidden");
+ jQuery(this)[ state ? "show" : "hide" ]();
+ }) :
+ this.animate(genFx("toggle", 3), fn, fn2);
+ },
+
+ fadeTo: function(speed,to,callback){
+ return this.filter(":hidden").css('opacity', 0).show().end()
+ .animate({opacity: to}, speed, callback);
+ },
+
+ animate: function( prop, speed, easing, callback ) {
+ var optall = jQuery.speed(speed, easing, callback);
+
+ return this[ optall.queue === false ? "each" : "queue" ](function(){
+
+ var opt = jQuery.extend({}, optall), p,
+ hidden = this.nodeType == 1 && jQuery(this).is(":hidden"),
+ self = this;
+
+ for ( p in prop ) {
+ var name = p.replace(rdashAlpha, fcamelCase);
+
+ if ( p !== name ) {
+ prop[ name ] = prop[ p ];
+ delete prop[ p ];
+ p = name;
+ }
+
+ if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden ) {
+ return opt.complete.call(this);
+ }
+ if ( ( p == "height" || p == "width" ) && this.style ) {
+ // Store display property
+ opt.display = jQuery.css(this, "display");
+
+ // Make sure that nothing sneaks out
+ opt.overflow = this.style.overflow;
+ }
+ if ( jQuery.isArray( prop[p] ) ) {
+ // Create (if needed) and add to specialEasing
+ (opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1];
+ prop[p] = prop[p][0];
+ }
+ }
+
+ if ( opt.overflow != null ) {
+ this.style.overflow = "hidden";
+ }
+ opt.curAnim = jQuery.extend({}, prop);
+
+ jQuery.each( prop, function(name, val){
+ var e = new jQuery.fx( self, opt, name );
+
+ if ( /toggle|show|hide/.test(val) ) {
+ e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
+ } else {
+ var parts = /^([+-]=)?([\d+-.]+)(.*)$/.exec(val),
+ start = e.cur(true) || 0;
+
+ if ( parts ) {
+ var end = parseFloat(parts[2]),
+ unit = parts[3] || "px";
+
+ // We need to compute starting value
+ if ( unit != "px" ) {
+ self.style[ name ] = (end || 1) + unit;
+ start = ((end || 1) / e.cur(true)) * start;
+ self.style[ name ] = start + unit;
+ }
+
+ // If a +=/-= token was provided, we're doing a relative animation
+ if ( parts[1] ) {
+ end = ((parts[1] == "-=" ? -1 : 1) * end) + start;
+ }
+ e.custom( start, end, unit );
+ } else {
+ e.custom( start, val, "" );
+ }
+ }
+ });
+
+ if ( jQuery.isEmptyObject( prop ) ) {
+ return optall.complete.call(this);
+ }
+
+ // For JS strict compliance
+ return true;
+ });
+ },
+
+ stop: function(clearQueue, gotoEnd){
+ var timers = jQuery.timers;
+
+ if (clearQueue) {
+ this.queue([]);
+ }
+ this.each(function(){
+ // go in reverse order so anything added to the queue during the loop is ignored
+ for ( var i = timers.length - 1; i >= 0; i-- ) {
+ if ( timers[i].elem == this ) {
+ if (gotoEnd) {
+ // force the next step to be the last
+ timers[i](true);
+ }
+ timers.splice(i, 1);
+ }
+ }
+ });
+
+ // start the next in the queue if the last step wasn't forced
+ if (!gotoEnd) {
+ this.dequeue();
+ }
+ return this;
+ }
+
+});
+
+// Generate shortcuts for custom animations
+jQuery.each({
+ slideDown: genFx("show", 1),
+ slideUp: genFx("hide", 1),
+ slideToggle: genFx("toggle", 1),
+ fadeIn: { opacity: "show" },
+ fadeOut: { opacity: "hide" }
+}, function( name, props ){
+ jQuery.fn[ name ] = function( speed, callback ){
+ return this.animate( props, speed, callback );
+ };
+});
+
+jQuery.extend({
+
+ speed: function(speed, easing, fn) {
+ var opt = speed && typeof speed === "object" ? speed : {
+ complete: fn || !fn && easing ||
+ jQuery.isFunction( speed ) && speed,
+ duration: speed,
+ easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
+ };
+
+ opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
+ jQuery.fx.speeds[opt.duration] || jQuery.fx.speeds._default;
+
+ // Queueing
+ opt.old = opt.complete;
+ opt.complete = function(){
+ if ( opt.queue !== false ) {
+ jQuery(this).dequeue();
+ }
+ if ( jQuery.isFunction( opt.old ) ) {
+ opt.old.call( this );
+ }
+ };
+
+ return opt;
+ },
+
+ 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;
+ }
+ },
+
+ timers: [],
+
+ fx: function( elem, options, prop ){
+ this.options = options;
+ this.elem = elem;
+ this.prop = prop;
+
+ if ( !options.orig ) {
+ options.orig = {};
+ }
+ }
+
+});
+
+jQuery.fx.prototype = {
+
+ // Simple function for setting a style value
+ update: function(){
+ if ( this.options.step ) {
+ this.options.step.call( this.elem, this.now, this );
+ }
+ (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
+
+ // Set display property to block for height/width animations
+ if ( ( this.prop == "height" || this.prop == "width" ) && this.elem.style ) {
+ this.elem.style.display = "block";
+ }
+ },
+
+ // Get the current size
+ cur: function(force){
+ if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
+ return this.elem[ this.prop ];
+ }
+ var r = parseFloat(jQuery.css(this.elem, this.prop, force));
+ return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0;
+ },
+
+ // Start an animation from one number to another
+ custom: function(from, to, unit){
+ this.startTime = now();
+ this.start = from;
+ this.end = to;
+ this.unit = unit || this.unit || "px";
+ this.now = this.start;
+ this.pos = this.state = 0;
+
+ var self = this;
+ function t(gotoEnd){
+ return self.step(gotoEnd);
+ }
+
+ t.elem = this.elem;
+
+ if ( t() && jQuery.timers.push(t) && !timerId ) {
+ timerId = setInterval(jQuery.fx.tick, 13);
+ }
+ },
+
+ // Simple 'show' function
+ show: function(){
+ // Remember where we started, so that we can go back to it later
+ this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
+ this.options.show = true;
+
+ // Begin the animation
+ // Make sure that we start at a small width/height to avoid any
+ // flash of content
+ this.custom(this.prop == "width" || this.prop == "height" ? 1 : 0, this.cur());
+
+ // Start by showing the element
+ jQuery(this.elem).show();
+ },
+
+ // Simple 'hide' function
+ hide: function(){
+ // Remember where we started, so that we can go back to it later
+ this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
+ this.options.hide = true;
+
+ // Begin the animation
+ this.custom(this.cur(), 0);
+ },
+
+ // Each step of an animation
+ step: function(gotoEnd){
+ var t = now();
+
+ if ( gotoEnd || t >= this.options.duration + this.startTime ) {
+ this.now = this.end;
+ this.pos = this.state = 1;
+ this.update();
+
+ this.options.curAnim[ this.prop ] = true;
+
+ var done = true;
+ for ( var i in this.options.curAnim ) {
+ if ( this.options.curAnim[i] !== true ) {
+ done = false;
+ }
+ }
+ if ( done ) {
+ if ( this.options.display != null ) {
+ // Reset the overflow
+ this.elem.style.overflow = this.options.overflow;
+
+ // Reset the display
+ var old = jQuery.data(this.elem, "olddisplay");
+ this.elem.style.display = old ? old : this.options.display;
+
+ if ( jQuery.css(this.elem, "display") == "none" ) {
+ this.elem.style.display = "block";
+ }
+ }
+
+ // Hide the element if the "hide" operation was done
+ if ( this.options.hide ) {
+ jQuery(this.elem).hide();
+ }
+ // Reset the properties, if the item has been hidden or shown
+ if ( this.options.hide || this.options.show ){
+ for ( var p in this.options.curAnim ) {
+ jQuery.style(this.elem, p, this.options.orig[p]);
+ }
+ }
+ // Execute the complete function
+ this.options.complete.call( this.elem );
+ }
+
+ return false;
+ } else {
+ var n = t - this.startTime;
+ this.state = n / this.options.duration;
+
+ // Perform the easing function, defaults to swing
+ var specialEasing = this.options.specialEasing && this.options.specialEasing[this.prop];
+ var defaultEasing = this.options.easing || (jQuery.easing.swing ? "swing" : "linear");
+ this.pos = jQuery.easing[specialEasing || defaultEasing](this.state, n, 0, 1, this.options.duration);
+ this.now = this.start + ((this.end - this.start) * this.pos);
+
+ // Perform the next step of the animation
+ this.update();
+ }
+
+ return true;
+ }
+
+};
+
+jQuery.extend( jQuery.fx, {
+
+ tick:function(){
+ var timers = jQuery.timers;
+
+ for ( var i = 0; i < timers.length; i++ ) {
+ if ( !timers[i]() ) {
+ timers.splice(i--, 1);
+ }
+ }
+ if ( !timers.length ) {
+ jQuery.fx.stop();
+ }
+ },
+
+ stop:function(){
+ clearInterval( timerId );
+ timerId = null;
+ },
+
+ speeds:{
+ slow: 600,
+ fast: 200,
+ // Default speed
+ _default: 400
+ },
+
+ step: {
+
+ opacity: function(fx){
+ jQuery.style(fx.elem, "opacity", fx.now);
+ },
+
+ _default: function(fx){
+ if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) {
+ fx.elem.style[ fx.prop ] = (fx.prop === "width" || fx.prop === "height" ? Math.max(0, fx.now) : fx.now) + fx.unit;
+ } else {
+ fx.elem[ fx.prop ] = fx.now;
+ }
+ }
+ }
+});
+
+if ( jQuery.expr && jQuery.expr.filters ) {
+ jQuery.expr.filters.animated = function(elem){
+ return jQuery.grep(jQuery.timers, function(fn){
+ return elem === fn.elem;
+ }).length;
+ };
+}