Hello
] * * @name show * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations + * @cat Effects */ - + /** - * Show all matched elements using a graceful animation and firing a callback - * function after completion. + * Show all matched elements using a graceful animation and firing an + * optional callback after completion. + * * The height, width, and opacity of each of the matched elements * are changed dynamically according to the specified speed. * + * @example $("p").show("slow"); + * * @example $("p").show("slow",function(){ * alert("Animation Done."); * }); * * @name show * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @param String|Number speed 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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see hide(String|Number,Function) */ show: function(speed,callback){ - return speed ? this.animate({ - height: "show", width: "show", opacity: "show" - }, speed, callback) : this._show(); + return speed ? + this.animate({ + height: "show", width: "show", opacity: "show" + }, speed, callback) : + + this.filter(":hidden").each(function(){ + this.style.display = this.oldblock ? this.oldblock : ""; + if ( jQuery.css(this,"display") == "none" ) + this.style.display = "block"; + }).end(); }, - // Overwrite the old hide method - _hide: jQuery.fn.hide, - /** - * Hide all matched elements using a graceful animation. - * The height, width, and opacity of each of the matched elements - * are changed dynamically according to the specified speed. + * Hides each of the set of matched elements if they are shown. * - * @example $("p").hide("slow"); + * @example $("p").hide() + * @beforeHello
+ * @result [ ] * * @name hide * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations + * @cat Effects */ - + /** - * Hide all matched elements using a graceful animation and firing a callback - * function after completion. + * Hide all matched elements using a graceful animation and firing an + * optional callback after completion. + * * The height, width, and opacity of each of the matched elements * are changed dynamically according to the specified speed. * + * @example $("p").hide("slow"); + * * @example $("p").hide("slow",function(){ * alert("Animation Done."); * }); * * @name hide * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @param String|Number speed 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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see show(String|Number,Function) */ hide: function(speed,callback){ - return speed ? this.animate({ - height: "hide", width: "hide", opacity: "hide" - }, speed, callback) : this._hide(); + return speed ? + this.animate({ + height: "hide", width: "hide", opacity: "hide" + }, speed, callback) : + + this.filter(":visible").each(function(){ + this.oldblock = this.oldblock || jQuery.css(this,"display"); + if ( this.oldblock == "none" ) + this.oldblock = "block"; + this.style.display = "none"; + }).end(); }, + + // Save the old toggle function + _toggle: jQuery.fn.toggle, /** - * Reveal all matched elements by adjusting their height. - * Only the height is adjusted for this animation, causing all matched - * elements to be revealed in a "sliding" manner. + * Toggles each of the set of matched elements. If they are shown, + * toggle makes them hidden. If they are hidden, toggle + * makes them shown. * - * @example $("p").slideDown("slow"); + * @example $("p").toggle() + * @beforeHello
+ * @result [ ,Hello Again
] * - * @name slideDown + * @name toggle * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations + * @cat Effects */ - + toggle: function( fn, fn2 ){ + return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ? + this._toggle( fn, fn2 ) : + this.animate({ + height: "toggle", width: "toggle", opacity: "toggle" + }, fn, fn2); + }, + /** - * Reveal all matched elements by adjusting their height and firing a callback - * function after completion. + * Reveal all matched elements by adjusting their height and firing an + * optional callback after completion. + * * Only the height is adjusted for this animation, causing all matched * elements to be revealed in a "sliding" manner. * + * @example $("p").slideDown("slow"); + * * @example $("p").slideDown("slow",function(){ * alert("Animation Done."); * }); * * @name slideDown * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see slideUp(String|Number,Function) + * @see slideToggle(String|Number,Function) */ slideDown: function(speed,callback){ return this.animate({height: "show"}, speed, callback); }, /** - * Hide all matched elements by adjusting their height. + * Hide all matched elements by adjusting their height and firing an + * optional callback after completion. + * * Only the height is adjusted for this animation, causing all matched * elements to be hidden in a "sliding" manner. * * @example $("p").slideUp("slow"); * - * @name slideUp - * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations - */ - - /** - * Hide all matched elements by adjusting their height and firing a callback - * function after completion. - * Only the height is adjusted for this animation, causing all matched - * elements to be hidden in a "sliding" manner. - * * @example $("p").slideUp("slow",function(){ * alert("Animation Done."); * }); * * @name slideUp * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see slideDown(String|Number,Function) + * @see slideToggle(String|Number,Function) */ slideUp: function(speed,callback){ return this.animate({height: "hide"}, speed, callback); }, /** - * Toggle the visibility of all matched elements by adjusting their height. + * Toggle the visibility of all matched elements by adjusting their height and firing an + * optional callback after completion. + * * Only the height is adjusted for this animation, causing all matched * elements to be hidden in a "sliding" manner. * * @example $("p").slideToggle("slow"); * - * @name slideToggle - * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations - */ - - /** - * Toggle the visibility of all matched elements by adjusting their height - * and firing a callback function after completion. - * Only the height is adjusted for this animation, causing all matched - * elements to be hidden in a "sliding" manner. - * * @example $("p").slideToggle("slow",function(){ * alert("Animation Done."); * }); * * @name slideToggle * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see slideDown(String|Number,Function) + * @see slideUp(String|Number,Function) */ - slideToggle: function(speed,callback){ - return this.each(function(){ - var state = jQuery(this).is(":hidden") ? "show" : "hide"; - jQuery(this).animate({height: state}, speed, callback); - }); + slideToggle: function(speed, callback){ + return this.animate({height: "toggle"}, speed, callback); }, /** - * Fade in all matched elements by adjusting their opacity. + * Fade in all matched elements by adjusting their opacity and firing an + * optional callback after completion. + * * Only the opacity is adjusted for this animation, meaning that * all of the matched elements should already have some form of height * and width associated with them. * * @example $("p").fadeIn("slow"); * - * @name fadeIn - * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations - */ - - /** - * Fade in all matched elements by adjusting their opacity and firing a - * callback function after completion. - * Only the opacity is adjusted for this animation, meaning that - * all of the matched elements should already have some form of height - * and width associated with them. - * * @example $("p").fadeIn("slow",function(){ * alert("Animation Done."); * }); * * @name fadeIn * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see fadeOut(String|Number,Function) + * @see fadeTo(String|Number,Number,Function) */ - fadeIn: function(speed,callback){ + fadeIn: function(speed, callback){ return this.animate({opacity: "show"}, speed, callback); }, /** - * Fade out all matched elements by adjusting their opacity. + * Fade out all matched elements by adjusting their opacity and firing an + * optional callback after completion. + * * Only the opacity is adjusted for this animation, meaning that * all of the matched elements should already have some form of height * and width associated with them. * * @example $("p").fadeOut("slow"); * - * @name fadeOut - * @type jQuery - * @param Object speed 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). - * @cat Effects/Animations - */ - - /** - * Fade out all matched elements by adjusting their opacity and firing a - * callback function after completion. - * Only the opacity is adjusted for this animation, meaning that - * all of the matched elements should already have some form of height - * and width associated with them. - * * @example $("p").fadeOut("slow",function(){ * alert("Animation Done."); * }); * * @name fadeOut * @type jQuery - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see fadeIn(String|Number,Function) + * @see fadeTo(String|Number,Number,Function) */ - fadeOut: function(speed,callback){ + fadeOut: function(speed, callback){ return this.animate({opacity: "hide"}, speed, callback); }, /** - * Fade the opacity of all matched elements to a specified opacity. + * Fade the opacity of all matched elements to a specified opacity and firing an + * optional callback after completion. + * * Only the opacity is adjusted for this animation, meaning that * all of the matched elements should already have some form of height * and width associated with them. * * @example $("p").fadeTo("slow", 0.5); * - * @name fadeTo - * @type jQuery - * @param Object speed 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 Number opacity The opacity to fade to (a number from 0 to 1). - * @cat Effects/Animations - */ - - /** - * Fade the opacity of all matched elements to a specified opacity and - * firing a callback function after completion. - * Only the opacity is adjusted for this animation, meaning that - * all of the matched elements should already have some form of height - * and width associated with them. - * * @example $("p").fadeTo("slow", 0.5, function(){ * alert("Animation Done."); * }); * * @name fadeTo * @type jQuery - * @param Object speed 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|Number speed 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 Number opacity The opacity to fade to (a number from 0 to 1). - * @param Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @param Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects + * @see fadeIn(String|Number,Function) + * @see fadeOut(String|Number,Function) */ fadeTo: function(speed,to,callback){ return this.animate({opacity: to}, speed, callback); }, /** - * 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({ @@ -305,26 +292,39 @@ jQuery.fn.extend({ * left: 50, opacity: 'show' * }, 500); * + * @example $("p").animate({ + * opacity: 'show' + * }, "slow", "easein"); + * @desc An example of using an 'easing' function to provide a different style of animation. This will only work if you have a plugin that provides this easing function (Only 'linear' is provided by default, with jQuery). + * * @name animate * @type jQuery * @param Hash params A set of style attributes that you wish to animate, and to what end. - * @param Object speed 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 Function callback A function to be executed whenever the animation completes. - * @cat Effects/Animations + * @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 (e.g. swing or linear). Defaults to "swing". + * @param Function callback (optional) A function to be executed whenever the animation completes. + * @cat Effects */ - animate: function(prop,speed,callback) { + animate: function( prop, speed, easing, callback ) { return this.queue(function(){ + var hidden = jQuery(this).is(":hidden"); + + for ( var p in prop ) + if ( prop[p] == "hide" && hidden || + prop[p] == "show" && !hidden ) + return; this.curAnim = jQuery.extend({}, prop); + var opt = jQuery.speed(speed, easing, callback); + var self = this; - for ( var p in prop ) { - var e = new jQuery.fx( this, jQuery.speed(speed,callback), p ); - if ( prop[p].constructor == Number ) - e.custom( e.cur(), prop[p] ); + jQuery.each( prop, function(name, val){ + var e = new jQuery.fx( self, opt, name ); + if ( val.constructor == Number ) + e.custom( e.cur(), val ); else - e[ prop[p] ]( prop ); - } - + e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop ); + }); }); }, @@ -355,53 +355,37 @@ jQuery.fn.extend({ }); jQuery.extend({ - - setAuto: function(e,p) { - if ( e.notAuto ) return; - - if ( p == "height" && e.scrollHeight != parseInt(jQuery.curCSS(e,p)) ) return; - if ( p == "width" && e.scrollWidth != parseInt(jQuery.curCSS(e,p)) ) return; - - // Remember the original height - var a = e.style[p]; - - // Figure out the size of the height right now - var o = jQuery.curCSS(e,p,1); - - if ( p == "height" && e.scrollHeight != o || - p == "width" && e.scrollWidth != o ) return; - - // Set the height to auto - e.style[p] = e.currentStyle ? "" : "auto"; - - // See what the size of "auto" is - var n = jQuery.curCSS(e,p,1); - - // Revert back to the original size - if ( o != n && n != "auto" ) { - e.style[p] = a; - e.notAuto = true; - } - }, - speed: function(s,o) { - 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; + speed: function(speed, easing, fn) { + var opt = speed && speed.constructor == Object ? speed : { + complete: fn || !fn && easing || + jQuery.isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && easing.constructor != Function && easing || "swing" + }; + + opt.duration = (opt.duration && opt.duration.constructor == Number ? + opt.duration : + { slow: 600, fast: 200 }[opt.duration]) || 400; // Queueing - o.oldComplete = o.complete; - o.complete = function(){ + opt.old = opt.complete; + opt.complete = function(){ jQuery.dequeue(this, "fx"); - if ( o.oldComplete && o.oldComplete.constructor == Function ) - o.oldComplete.apply( this ); + if ( jQuery.isFunction( opt.old ) ) + opt.old.apply( this ); }; - return o; + 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; + } }, queue: {}, @@ -420,6 +404,8 @@ jQuery.extend({ } }, + 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 @@ -427,150 +413,159 @@ jQuery.extend({ */ fx: function( elem, options, prop ){ - + var z = this; - - // The users options - z.o = { - duration: options.duration || 400, - complete: options.complete, - step: options.step - }; - - // The element - z.el = elem; - + // The styles - var y = z.el.style; - + var y = elem.style; + + 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 ( options.step ) options.step.apply( elem, [ z.now ] ); - + 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"; + y.display = "block"; // Set display property to block for animation + } }; - + // Figure out the maximum number to run to z.max = function(){ - return parseFloat( jQuery.css(z.el,prop) ); + return parseFloat( jQuery.css(elem,prop) ); }; - + // Get the current size z.cur = function(){ - var r = parseFloat( jQuery.curCSS(z.el, prop) ); + var r = parseFloat( jQuery.curCSS(elem, prop) ); return r && r > -10000 ? r : z.max(); }; - + // 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); + + jQuery.timers.push(function(){ + return z.step(from, to); + }); + + if ( jQuery.timers.length == 1 ) { + var timer = setInterval(function(){ + var timers = jQuery.timers; + + for ( var i = 0; i < timers.length; i++ ) + if ( !timers[i]() ) + timers.splice(i--, 1); + + if ( !timers.length ) + clearInterval( timer ); + }, 13); + } }; - + // Simple 'show' function z.show = function(){ - if ( !z.el.orig ) z.el.orig = {}; + if ( !elem.orig ) elem.orig = {}; // Remember where we started, so that we can go back to it later - z.el.orig[prop] = this.cur(); - - var start = z.el.orig[prop]; - + elem.orig[prop] = jQuery.attr( elem.style, prop ); + + options.show = true; + // Begin the animation - z.custom(0, z.el.orig[prop]); + z.custom(0, this.cur()); - // Stupid IE, look what you made me do + // Make sure that we start at a small width/height to avoid any + // flash of content if ( prop != "opacity" ) y[prop] = "1px"; + + // Start by showing the element + jQuery(elem).show(); }; - + // Simple 'hide' function z.hide = function(){ - if ( !z.el.orig ) z.el.orig = {}; + if ( !elem.orig ) elem.orig = {}; // Remember where we started, so that we can go back to it later - z.el.orig[prop] = this.cur(); + elem.orig[prop] = jQuery.attr( elem.style, prop ); - z.o.hide = true; + options.hide = true; // Begin the animation - z.custom(z.el.orig[prop], 0); + z.custom(this.cur(), 0); }; - - // Remember the overflow of the element - if ( !z.el.oldOverflow ) - z.el.oldOverflow = jQuery.css( z.el, "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; + if (t > options.duration + z.startTime) { z.now = lastNum; z.a(); - z.el.curAnim[ prop ] = true; - + if (elem.curAnim) elem.curAnim[ prop ] = true; + var done = true; - for ( var i in z.el.curAnim ) - if ( z.el.curAnim[i] !== true ) + for ( var i in elem.curAnim ) + if ( elem.curAnim[i] !== true ) done = false; - + if ( done ) { - // Reset the overflow - y.overflow = z.el.oldOverflow; - - // Hide the element if the "hide" operation was done - if ( z.o.hide ) - y.display = 'none'; + if ( oldDisplay != null ) { + // Reset the overflow + y.overflow = oldOverflow; - // Reset the property, if the item has been hidden - if ( z.o.hide ) { - for ( var p in z.el.curAnim ) { - if (p == "opacity") - jQuery.attr(y, p, z.el.orig[p]); - else - y[ p ] = z.el.orig[p] + "px"; - - // set its height and/or width to auto - if ( p == 'height' || p == 'width' ) - jQuery.setAuto( z.el, p ); - } + // 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"; + + // Reset the properties, if the item has been hidden or shown + if ( options.hide || options.show ) + for ( var p in elem.curAnim ) + jQuery.attr(y, p, elem.orig[p]); } // If a callback was provided, execute it - if( done && z.o.complete && z.o.complete.constructor == Function ) + if ( done && jQuery.isFunction( options.complete ) ) // Execute the complete function - z.o.complete.apply( z.el ); + 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 = (t - this.startTime) / z.o.duration; - z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum; - + var p = n / options.duration; + + // 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; }; } - });