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Bringing the effects module closer to being inline with the style guideline.

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This commit is contained in:
jeresig 2009-12-18 11:16:26 -05:00
parent b70872f70d
commit 99d83fbd6d
1 changed files with 88 additions and 64 deletions
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144
src/effects.js vendored
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@ -1,4 +1,6 @@
var elemdisplay = {}, var elemdisplay = {},
rfxtypes = /toggle|show|hide/,
rfxnum = /^([+-]=)?([\d+-.]+)(.*)$/,
timerId, timerId,
fxAttrs = [ fxAttrs = [
// height animations // height animations
@ -9,18 +11,11 @@ var elemdisplay = {},
[ "opacity" ] [ "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({ jQuery.fn.extend({
show: function( speed, callback ) { show: function( speed, callback ) {
if ( speed != null ) { if ( speed != null ) {
return this.animate( genFx("show", 3), speed, callback); return this.animate( genFx("show", 3), speed, callback);
} else { } else {
for ( var i = 0, l = this.length; i < l; i++ ){ for ( var i = 0, l = this.length; i < l; i++ ){
var old = jQuery.data(this[i], "olddisplay"); var old = jQuery.data(this[i], "olddisplay");
@ -32,13 +27,16 @@ jQuery.fn.extend({
if ( elemdisplay[ nodeName ] ) { if ( elemdisplay[ nodeName ] ) {
display = elemdisplay[ nodeName ]; display = elemdisplay[ nodeName ];
} else { } else {
var elem = jQuery("<" + nodeName + " />").appendTo("body"); var elem = jQuery("<" + nodeName + " />").appendTo("body");
display = elem.css("display"); display = elem.css("display");
if ( display === "none" ) { if ( display === "none" ) {
display = "block"; display = "block";
} }
elem.remove(); elem.remove();
elemdisplay[ nodeName ] = display; elemdisplay[ nodeName ] = display;
@ -50,8 +48,8 @@ jQuery.fn.extend({
// Set the display of the elements in a second loop // Set the display of the elements in a second loop
// to avoid the constant reflow // to avoid the constant reflow
for ( var i = 0, l = this.length; i < l; i++ ){ for ( var j = 0, k = this.length; j < k; j++ ){
this[i].style.display = jQuery.data(this[i], "olddisplay") || ""; this[j].style.display = jQuery.data(this[j], "olddisplay") || "";
} }
return this; return this;
@ -61,6 +59,7 @@ jQuery.fn.extend({
hide: function( speed, callback ) { hide: function( speed, callback ) {
if ( speed != null ) { if ( speed != null ) {
return this.animate( genFx("hide", 3), speed, callback); return this.animate( genFx("hide", 3), speed, callback);
} else { } else {
for ( var i = 0, l = this.length; i < l; i++ ){ for ( var i = 0, l = this.length; i < l; i++ ){
var old = jQuery.data(this[i], "olddisplay"); var old = jQuery.data(this[i], "olddisplay");
@ -71,8 +70,8 @@ jQuery.fn.extend({
// Set the display of the elements in a second loop // Set the display of the elements in a second loop
// to avoid the constant reflow // to avoid the constant reflow
for ( var i = 0, l = this.length; i < l; i++ ){ for ( var j = 0, k = this.length; j < k; j++ ){
this[i].style.display = "none"; this[j].style.display = "none";
} }
return this; return this;
@ -82,31 +81,36 @@ jQuery.fn.extend({
// Save the old toggle function // Save the old toggle function
_toggle: jQuery.fn.toggle, _toggle: jQuery.fn.toggle,
toggle: function( fn, fn2 ){ toggle: function( fn, fn2 ) {
var bool = typeof fn === "boolean"; var bool = typeof fn === "boolean";
return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ? if ( jQuery.isFunction(fn) && jQuery.isFunction(fn2) ) {
this._toggle.apply( this, arguments ) : this._toggle.apply( this, arguments );
fn == null || bool ?
} else if ( fn == null || bool ) {
this.each(function(){ this.each(function(){
var state = bool ? fn : jQuery(this).is(":hidden"); var state = bool ? fn : jQuery(this).is(":hidden");
jQuery(this)[ state ? "show" : "hide" ](); jQuery(this)[ state ? "show" : "hide" ]();
}) : });
} else {
this.animate(genFx("toggle", 3), fn, fn2); this.animate(genFx("toggle", 3), fn, fn2);
}
return this;
}, },
fadeTo: function(speed,to,callback){ fadeTo: function( speed, to, callback ) {
return this.filter(":hidden").css('opacity', 0).show().end() return this.filter(":hidden").css("opacity", 0).show().end()
.animate({opacity: to}, speed, callback); .animate({opacity: to}, speed, callback);
}, },
animate: function( prop, speed, easing, callback ) { animate: function( prop, speed, easing, callback ) {
var optall = jQuery.speed(speed, easing, callback); var optall = jQuery.speed(speed, easing, callback);
return this[ optall.queue === false ? "each" : "queue" ](function(){ return this[ optall.queue === false ? "each" : "queue" ](function() {
var opt = jQuery.extend({}, optall), p, var opt = jQuery.extend({}, optall), p,
hidden = this.nodeType == 1 && jQuery(this).is(":hidden"), hidden = this.nodeType === 1 && jQuery(this).is(":hidden"),
self = this; self = this;
for ( p in prop ) { for ( p in prop ) {
@ -118,16 +122,18 @@ jQuery.fn.extend({
p = name; p = name;
} }
if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden ) { if ( prop[p] === "hide" && hidden || prop[p] === "show" && !hidden ) {
return opt.complete.call(this); return opt.complete.call(this);
} }
if ( ( p == "height" || p == "width" ) && this.style ) {
if ( ( p === "height" || p === "width" ) && this.style ) {
// Store display property // Store display property
opt.display = jQuery.css(this, "display"); opt.display = jQuery.css(this, "display");
// Make sure that nothing sneaks out // Make sure that nothing sneaks out
opt.overflow = this.style.overflow; opt.overflow = this.style.overflow;
} }
if ( jQuery.isArray( prop[p] ) ) { if ( jQuery.isArray( prop[p] ) ) {
// Create (if needed) and add to specialEasing // Create (if needed) and add to specialEasing
(opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1]; (opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1];
@ -138,23 +144,25 @@ jQuery.fn.extend({
if ( opt.overflow != null ) { if ( opt.overflow != null ) {
this.style.overflow = "hidden"; this.style.overflow = "hidden";
} }
opt.curAnim = jQuery.extend({}, prop); opt.curAnim = jQuery.extend({}, prop);
jQuery.each( prop, function(name, val){ jQuery.each( prop, function( name, val ) {
var e = new jQuery.fx( self, opt, name ); var e = new jQuery.fx( self, opt, name );
if ( /toggle|show|hide/.test(val) ) { if ( rfxtypes.test(val) ) {
e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop ); e[ val === "toggle" ? hidden ? "show" : "hide" : val ]( prop );
} else { } else {
var parts = /^([+-]=)?([\d+-.]+)(.*)$/.exec(val), var parts = rfxnum.exec(val),
start = e.cur(true) || 0; start = e.cur(true) || 0;
if ( parts ) { if ( parts ) {
var end = parseFloat(parts[2]), var end = parseFloat( parts[2] ),
unit = parts[3] || "px"; unit = parts[3] || "px";
// We need to compute starting value // We need to compute starting value
if ( unit != "px" ) { if ( unit !== "px" ) {
self.style[ name ] = (end || 1) + unit; self.style[ name ] = (end || 1) + unit;
start = ((end || 1) / e.cur(true)) * start; start = ((end || 1) / e.cur(true)) * start;
self.style[ name ] = start + unit; self.style[ name ] = start + unit;
@ -162,9 +170,11 @@ jQuery.fn.extend({
// If a +=/-= token was provided, we're doing a relative animation // If a +=/-= token was provided, we're doing a relative animation
if ( parts[1] ) { if ( parts[1] ) {
end = ((parts[1] == "-=" ? -1 : 1) * end) + start; end = ((parts[1] === "-=" ? -1 : 1) * end) + start;
} }
e.custom( start, end, unit ); e.custom( start, end, unit );
} else { } else {
e.custom( start, val, "" ); e.custom( start, val, "" );
} }
@ -183,26 +193,29 @@ jQuery.fn.extend({
stop: function(clearQueue, gotoEnd){ stop: function(clearQueue, gotoEnd){
var timers = jQuery.timers; var timers = jQuery.timers;
if (clearQueue) { if ( clearQueue ) {
this.queue([]); this.queue([]);
} }
this.each(function(){ this.each(function(){
// go in reverse order so anything added to the queue during the loop is ignored // go in reverse order so anything added to the queue during the loop is ignored
for ( var i = timers.length - 1; i >= 0; i-- ) { for ( var i = timers.length - 1; i >= 0; i-- ) {
if ( timers[i].elem == this ) { if ( timers[i].elem === this ) {
if (gotoEnd) { if (gotoEnd) {
// force the next step to be the last // force the next step to be the last
timers[i](true); timers[i](true);
} }
timers.splice(i, 1); timers.splice(i, 1);
} }
} }
}); });
// start the next in the queue if the last step wasn't forced // start the next in the queue if the last step wasn't forced
if (!gotoEnd) { if ( !gotoEnd ) {
this.dequeue(); this.dequeue();
} }
return this; return this;
} }
@ -222,8 +235,7 @@ jQuery.each({
}); });
jQuery.extend({ jQuery.extend({
speed: function( speed, easing, fn ) {
speed: function(speed, easing, fn) {
var opt = speed && typeof speed === "object" ? speed : { var opt = speed && typeof speed === "object" ? speed : {
complete: fn || !fn && easing || complete: fn || !fn && easing ||
jQuery.isFunction( speed ) && speed, jQuery.isFunction( speed ) && speed,
@ -259,7 +271,7 @@ jQuery.extend({
timers: [], timers: [],
fx: function( elem, options, prop ){ fx: function( elem, options, prop ) {
this.options = options; this.options = options;
this.elem = elem; this.elem = elem;
this.prop = prop; this.prop = prop;
@ -272,31 +284,32 @@ jQuery.extend({
}); });
jQuery.fx.prototype = { jQuery.fx.prototype = {
// Simple function for setting a style value // Simple function for setting a style value
update: function(){ update: function() {
if ( this.options.step ) { if ( this.options.step ) {
this.options.step.call( this.elem, this.now, this ); this.options.step.call( this.elem, this.now, this );
} }
(jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this ); (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
// Set display property to block for height/width animations // Set display property to block for height/width animations
if ( ( this.prop == "height" || this.prop == "width" ) && this.elem.style ) { if ( ( this.prop === "height" || this.prop === "width" ) && this.elem.style ) {
this.elem.style.display = "block"; this.elem.style.display = "block";
} }
}, },
// Get the current size // Get the current size
cur: function(force){ cur: function( force ) {
if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) { if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
return this.elem[ this.prop ]; return this.elem[ this.prop ];
} }
var r = parseFloat(jQuery.css(this.elem, this.prop, force)); var r = parseFloat(jQuery.css(this.elem, this.prop, force));
return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0; return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0;
}, },
// Start an animation from one number to another // Start an animation from one number to another
custom: function(from, to, unit){ custom: function( from, to, unit ) {
this.startTime = now(); this.startTime = now();
this.start = from; this.start = from;
this.end = to; this.end = to;
@ -305,7 +318,7 @@ jQuery.fx.prototype = {
this.pos = this.state = 0; this.pos = this.state = 0;
var self = this; var self = this;
function t(gotoEnd){ function t( gotoEnd ) {
return self.step(gotoEnd); return self.step(gotoEnd);
} }
@ -317,7 +330,7 @@ jQuery.fx.prototype = {
}, },
// Simple 'show' function // Simple 'show' function
show: function(){ show: function() {
// Remember where we started, so that we can go back to it later // 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.orig[this.prop] = jQuery.style( this.elem, this.prop );
this.options.show = true; this.options.show = true;
@ -325,14 +338,14 @@ jQuery.fx.prototype = {
// Begin the animation // Begin the animation
// Make sure that we start at a small width/height to avoid any // Make sure that we start at a small width/height to avoid any
// flash of content // flash of content
this.custom(this.prop == "width" || this.prop == "height" ? 1 : 0, this.cur()); this.custom(this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur());
// Start by showing the element // Start by showing the element
jQuery(this.elem).show(); jQuery( this.elem ).show();
}, },
// Simple 'hide' function // Simple 'hide' function
hide: function(){ hide: function() {
// Remember where we started, so that we can go back to it later // 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.orig[this.prop] = jQuery.style( this.elem, this.prop );
this.options.hide = true; this.options.hide = true;
@ -342,8 +355,8 @@ jQuery.fx.prototype = {
}, },
// Each step of an animation // Each step of an animation
step: function(gotoEnd){ step: function( gotoEnd ) {
var t = now(); var t = now(), done = true;
if ( gotoEnd || t >= this.options.duration + this.startTime ) { if ( gotoEnd || t >= this.options.duration + this.startTime ) {
this.now = this.end; this.now = this.end;
@ -352,12 +365,12 @@ jQuery.fx.prototype = {
this.options.curAnim[ this.prop ] = true; this.options.curAnim[ this.prop ] = true;
var done = true;
for ( var i in this.options.curAnim ) { for ( var i in this.options.curAnim ) {
if ( this.options.curAnim[i] !== true ) { if ( this.options.curAnim[i] !== true ) {
done = false; done = false;
} }
} }
if ( done ) { if ( done ) {
if ( this.options.display != null ) { if ( this.options.display != null ) {
// Reset the overflow // Reset the overflow
@ -367,7 +380,7 @@ jQuery.fx.prototype = {
var old = jQuery.data(this.elem, "olddisplay"); var old = jQuery.data(this.elem, "olddisplay");
this.elem.style.display = old ? old : this.options.display; this.elem.style.display = old ? old : this.options.display;
if ( jQuery.css(this.elem, "display") == "none" ) { if ( jQuery.css(this.elem, "display") === "none" ) {
this.elem.style.display = "block"; this.elem.style.display = "block";
} }
} }
@ -376,17 +389,20 @@ jQuery.fx.prototype = {
if ( this.options.hide ) { if ( this.options.hide ) {
jQuery(this.elem).hide(); jQuery(this.elem).hide();
} }
// Reset the properties, if the item has been hidden or shown // Reset the properties, if the item has been hidden or shown
if ( this.options.hide || this.options.show ){ if ( this.options.hide || this.options.show ) {
for ( var p in this.options.curAnim ) { for ( var p in this.options.curAnim ) {
jQuery.style(this.elem, p, this.options.orig[p]); jQuery.style(this.elem, p, this.options.orig[p]);
} }
} }
// Execute the complete function // Execute the complete function
this.options.complete.call( this.elem ); this.options.complete.call( this.elem );
} }
return false; return false;
} else { } else {
var n = t - this.startTime; var n = t - this.startTime;
this.state = n / this.options.duration; this.state = n / this.options.duration;
@ -403,12 +419,10 @@ jQuery.fx.prototype = {
return true; return true;
} }
}; };
jQuery.extend( jQuery.fx, { jQuery.extend( jQuery.fx, {
tick: function() {
tick:function(){
var timers = jQuery.timers; var timers = jQuery.timers;
for ( var i = 0; i < timers.length; i++ ) { for ( var i = 0; i < timers.length; i++ ) {
@ -416,17 +430,18 @@ jQuery.extend( jQuery.fx, {
timers.splice(i--, 1); timers.splice(i--, 1);
} }
} }
if ( !timers.length ) { if ( !timers.length ) {
jQuery.fx.stop(); jQuery.fx.stop();
} }
}, },
stop:function(){ stop: function() {
clearInterval( timerId ); clearInterval( timerId );
timerId = null; timerId = null;
}, },
speeds:{ speeds: {
slow: 600, slow: 600,
fast: 200, fast: 200,
// Default speed // Default speed
@ -434,12 +449,11 @@ jQuery.extend( jQuery.fx, {
}, },
step: { step: {
opacity: function( fx ) {
opacity: function(fx){
jQuery.style(fx.elem, "opacity", fx.now); jQuery.style(fx.elem, "opacity", fx.now);
}, },
_default: function(fx){ _default: function( fx ) {
if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) { 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; fx.elem.style[ fx.prop ] = (fx.prop === "width" || fx.prop === "height" ? Math.max(0, fx.now) : fx.now) + fx.unit;
} else { } else {
@ -456,3 +470,13 @@ if ( jQuery.expr && jQuery.expr.filters ) {
}).length; }).length;
}; };
} }
function genFx( type, num ) {
var obj = {};
jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function(){
obj[ this ] = type;
});
return obj;
}