X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=fx%2Ffx.js;h=34c0e26f1be6ed644a930b46452d3b97c3669cac;hb=d25d393a33fafe0598ba1ed1f7d240c3e2883b2a;hp=0a8afbbf6b1a2d75a8cc538bc98c0ca36baed9eb;hpb=56992c6ad95eb9323b325099dda828a5039def5b;p=jquery.git diff --git a/fx/fx.js b/fx/fx.js index 0a8afbb..34c0e26 100644 --- a/fx/fx.js +++ b/fx/fx.js @@ -1,178 +1,287 @@ -$.speed = function(s,o) { - if ( o && o.constructor == Function ) o = { onComplete: o }; - o = o || {}; - var ss = {"crawl":1200,"xslow":850,"slow":600,"medium":400,"fast":200,"xfast":75,"normal":400}; - o.duration = typeof s == "number" ? s : ss[s] || 400; - return o; +// overwrite the old show method +jQuery.prototype._show = jQuery.prototype.show; + +/** + * The effects module overloads the show method to now allow + * for a speed to the show operation. What actually happens is + * that the height, width, and opacity to the matched elements + * are changed dynamically. The only three current speeds are + * "slow", "normal", and "fast". For example: + * $("p").show("slow"); + * Note: You should not run the show method on things + * that are already shown. This can be circumvented by doing this: + * $("p:hidden").show("slow"); + */ +jQuery.prototype.show = function(speed,callback){ + return speed ? this.animate({ + height: "show", width: "show", opacity: "show" + }, speed, callback) : this._show(); }; -$.fn.hide = function(a,o) { - o = $.speed(a,o); - return a ? this.each(function(){ - new fx.FadeSize(this,o).hide(); - }) : this._hide(); +// We're overwriting the old hide method +jQuery.prototype._hide = jQuery.prototype.hide; + + +/** + * The hide function behaves very similary to the show function, + * but is just the opposite. + * $("p:visible").hide("slow"); + */ +jQuery.prototype.hide = function(speed,callback){ + return speed ? this.animate({ + height: "hide", + width: "hide", + opacity: "hide" + }, speed, callback) : this._hide(); }; -$.fn.show = function(a,o) { - o = $.speed(a,o); - return a ? this.each(function(){ - new fx.FadeSize(this,o).show(); - }) : this._show(); +/** + * This function increases the height and opacity for all matched + * elements. This is very similar to 'show', but does not change + * the width - creating a neat sliding effect. + * $("p:hidden").slideDown("slow"); + */ +jQuery.prototype.slideDown = function(speed,callback){ + return this.animate({height: "show"}, speed, callback); }; -$.fn.slideDown = function(a,o) { - o = $.speed(a,o); - return this.each(function(){ - new fx.Resize(this,o).show("height"); - }); +/** + * Just like slideDown, only it hides all matched elements. + * $("p:visible").slideUp("slow"); + */ +jQuery.prototype.slideUp = function(speed,callback){ + return this.animate({height: "hide"}, speed, callback); }; -$.fn.slideUp = function(a,o) { - o = $.speed(a,o); - return this.each(function(){ - new fx.Resize(this,o).hide("height"); +/** + * Adjusts the opacity of all matched elements from a hidden, + * to a fully visible, state. + * $("p:hidden").fadeIn("slow"); + */ +jQuery.prototype.fadeIn = function(speed,callback){ + return this.animate({opacity: "show"}, speed, callback); +}; + +/** + * Same as fadeIn, but transitions from a visible, to a hidden state. + * $("p:visible").fadeOut("slow"); + */ +jQuery.prototype.fadeOut = function(speed,callback){ + return this.animate({opacity: "hide"}, speed, callback); +}; + +/** + * ... + */ +jQuery.prototype.fadeTo = function(speed,to,callback){ + return this.animate({opacity: to}, speed, callback); +}; + +/** + * + */ +jQuery.prototype.animate = function(prop,speed,callback) { + return this.queue(function(){ + var i = 0; + for ( var p in prop ) { + var e = new jQuery.fx( this, jQuery.speed(speed,callback,i++), p ); + if ( prop[p].constructor == Number ) + e.custom( e.cur(), prop[p] ); + else + e[ prop[p] ](); + } }); }; -$.fn.fadeOut = function(a,o) { - o = $.speed(a,o); - return a ? this.each(function(){ - new fx.Opacity(this,o).hide(); - }) : this._hide(); +jQuery.speed = function(s,o,i) { + o = o || {}; + + if ( o.constructor == Function ) + o = { complete: o }; + + var ss = {"slow":600,"fast":200}; + o.duration = (s && s.constructor == Number ? s : ss[s]) || 400; + + // Queueing + o.oldComplete = o.complete; + o.complete = function(){ + jQuery.dequeue(this, "fx"); + if ( o.oldComplete && o.oldComplete.constructor == Function ) + o.oldComplete.apply( this ); + }; + + if ( i > 0 ) + o.complete = null; + + return o; }; -$.fn.fadeIn = function(a,o) { - o = $.speed(a,o); - return a ? this.each(function(){ - new fx.Opacity(this,o).show(); - }) : this._show(); +jQuery.queue = {}; + +jQuery.dequeue = function(elem,type){ + type = type || "fx"; + + if ( elem.queue && elem.queue[type] ) { + // Remove self + elem.queue[type].shift(); + + // Get next function + var f = elem.queue[type][0]; + + if ( f ) + f.apply( elem ); + } }; -$.fn.center = function(f) { +jQuery.prototype.queue = function(type,fn){ + if ( !fn ) { + fn = type; + type = "fx"; + } + return this.each(function(){ - if ( !f && this.nodeName == 'IMG' && - !this.offsetWidth && !this.offsetHeight ) { - var self = this; - setTimeout(function(){ - $(self).center(true); - }, 13); - } else { - var s = this.style; - var p = this.parentNode; - if ( $.css(p,"position") == 'static' ) - p.style.position = 'relative'; - s.position = 'absolute'; - s.left = parseInt(($.css(p,"width") - $.css(this,"width"))/2) + "px"; - s.top = parseInt(($.css(p,"height") - $.css(this,"height"))/2) + "px"; - } - }); + if ( !this.queue ) + this.queue = {}; + + if ( !this.queue[type] ) + this.queue[type] = []; + + this.queue[type].push( fn ); + + if ( this.queue[type].length == 1 ) + fn.apply(this); + }); }; -$.setAuto = function(e,p) { +jQuery.setAuto = function(e,p) { var a = e.style[p]; - var o = $.css(e,p); - e.style[p] = 'auto'; - var n = $.css(e,p); + var o = jQuery.css(e,p); + e.style[p] = "auto"; + var n = jQuery.css(e,p); if ( o != n ) e.style[p] = a; }; /* * I originally wrote fx() as a clone of moo.fx and in the process - * of making it small in size the code became illegible to sane + * of making it small in size the code became illegible to sane * people. You've been warned. */ -function fx(el,op,ty,tz){ +jQuery.fx = function( elem, options, prop ){ + var z = this; - z.a = function(){z.el.style[ty]=z.now+z.o.unit}; - z.max = function(){return z.el["io"+ty]||z.el["natural"+tz]||z.el["scroll"+tz]||z.cur()}; - z.cur = function(){return parseInt($.getCSS(z.el,ty))}; - z.show = function(){z.ss("block");z.custom(0,z.max())}; - z.hide = function(){z.el.$o=$.getCSS(z.el,"overflow");z.el["io"+ty]=this.cur();z.custom(z.cur(),0)}; - z.ss = function(a){if(y.display!=a)y.display=a}; - z.toggle = function(){if(z.cur()>0)z.hide();else z.show()}; - z.modify = function(a){z.custom(z.cur(),z.cur()+a)}; - z.clear = function(){clearInterval(z.timer);z.timer=null}; - z.el = el.constructor==String?document.getElementById(el):el; - var y = z.el.style; - z.oo = y.overflow; - y.overflow = "hidden"; + + // The users options z.o = { - unit: "px", - duration: (op && op.duration) || 400, - onComplete: (op && op.onComplete) || op + duration: options.duration || 400, + complete: options.complete }; - z.step = function(f,tt){ - var t = (new Date).getTime(); - var p = (t - z.s) / z.o.duration; - if (t >= z.o.duration+z.s) { - z.now = tt; - z.clear(); - setTimeout(function(){ - y.overflow = z.oo; - if(y.height=="0px"||y.width=="0px")z.ss("none"); - if ( ty != "opacity" ) { - $.setAuto( z.el, "height" ); - $.setAuto( z.el, "width" ); - } - if(z.o.onComplete.constructor == Function){z.el.$_ = z.o.onComplete;z.el.$_();} - },13); + + // The element + z.el = elem; + + // The styles + var y = z.el.style; + + // Simple function for setting a style value + z.a = function(){ + if ( prop == "opacity" ) { + if (z.now == 1) z.now = 0.9999; + if (window.ActiveXObject) + y.filter = "alpha(opacity=" + z.now*100 + ")"; + y.opacity = z.now; } else - z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (tt-f) + f; + y[prop] = z.now+"px"; + }; + + // Figure out the maximum number to run to + z.max = function(){ + return z.el["orig"+prop] || z.cur(); + }; + + // Get the current size + z.cur = function(){ + return parseFloat( jQuery.css(z.el,prop) ); + }; + + // 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); }; - z.custom = function(f,t){ - if(z.timer)return;this.now=f;z.a();z.io=z.cur();z.s=(new Date).getTime(); - z.timer=setInterval(function(){z.step(f,t);}, 13); + + // Simple 'show' function + z.show = function(){ + y.display = "block"; + z.o.auto = true; + z.custom(0,z.max()); }; -} -fx.fn = ["show","hide","toggle"]; -fx.ty = ["Height","Width","Left","Top"]; -for(var i in fx.ty){(function(){ - var c = fx.ty[i]; - fx[c] = function(a,b){ - return new fx(a,b,c.toLowerCase(),c);}; -})()} -fx.Opacity = function(a,b){ - var o = new fx(a,b,"opacity"); - o.cur = function(){return parseFloat(o.el.style.opacity);}; - o.a = function() { - var e = o.el.style; - if (o.now == 1) o.now = 0.9999; - if (window.ActiveXObject) - e.filter = "alpha(opacity=" + o.now*100 + ")"; - e.opacity = o.now; + + // Simple 'hide' function + z.hide = function(){ + // Remember where we started, so that we can go back to it later + z.el["orig"+prop] = this.cur(); + + // Begin the animation + z.custom(z.cur(),0); }; - o.io = o.now = 1; - o.a(); - return o; -}; -fx.Resize = function(e,o){ - var z = this; - var h = new fx.Height(e,o); - if(o) o.onComplete = null; - var w = new fx.Width(e,o); - function c(a,b,c){return (!a||a==c||b==c);} - for(var i in fx.fn){(function(){ - var j = fx.fn[i]; - z[j] = function(a,b){ - if(c(a,b,"height")) h[j](); - if(c(a,b,"width")) w[j](); - }; - })()} - z.modify = function(c,d){ - h.modify(c); - w.modify(d); + + // IE has trouble with opacity if it doesn't have layout + if ( jQuery.browser == "msie" && !z.el.currentStyle.hasLayout ) + y.zoom = 1; + + // Remember the overflow of the element + z.oldOverflow = y.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(); + + // Reset the overflow + y.overflow = z.oldOverflow; + + // If the element was shown, and not using a custom number, + // set its height and/or width to auto + if ( (prop == "height" || prop == "width") && z.o.auto ) + jQuery.setAuto( z.el, prop ); + + // If a callback was provided, execute it + if( z.o.complete.constructor == Function ) { + + // Yes, this is a weird place for this, but it needs to be executed + // only once per cluster of effects. + // If the element is, effectively, hidden - hide it + if ( y.height == "0px" || y.width == "0px" ) + y.display = "none"; + + // 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(); + } }; + }; -fx.FadeSize = function(e,o){ - var z = this; - var r = new fx.Resize(e,o); - if(o) o.onComplete = null; - var p = new fx.Opacity(e,o); - for(var i in fx.fn){(function(){ - var j = fx.fn[i]; - z[j] = function(a,b){p[j]();r[j](a,b);}; - })()} -}; \ No newline at end of file