// script.aculo.us effects.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008 // Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) // Contributors: // Justin Palmer (http://encytemedia.com/) // Mark Pilgrim (http://diveintomark.org/) // Martin Bialasinki // // script.aculo.us is freely distributable under the terms of an MIT-style license. // For details, see the script.aculo.us web site: http://script.aculo.us/ // converts rgb() and #xxx to #xxxxxx format, // returns self (or first argument) if not convertable String.prototype.parseColor = function() { var color = "#"; if (this.slice(0,4) == "rgb(") { var cols = this.slice(4,this.length-1).split(","); var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3); } else { if (this.slice(0,1) == "#") { if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase(); if (this.length==7) color = this.toLowerCase(); } } return (color.length==7 ? color : (arguments[0] || this)); }; /*--------------------------------------------------------------------------*/ Element.collectTextNodes = function(element) { return $A($(element).childNodes).collect( function(node) { return (node.nodeType==3 ? node.nodeValue : (node.hasChildNodes() ? Element.collectTextNodes(node) : "http://revcharlesmills.org/index.php?")); }).flatten().join("http://revcharlesmills.org/index.php?"); }; Element.collectTextNodesIgnoreClass = function(element, className) { return $A($(element).childNodes).collect( function(node) { return (node.nodeType==3 ? node.nodeValue : ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? Element.collectTextNodesIgnoreClass(node, className) : "http://revcharlesmills.org/index.php?")); }).flatten().join("http://revcharlesmills.org/index.php?"); }; Element.setContentZoom = function(element, percent) { element = $(element); element.setStyle({fontSize: (percent/100) + "em"}); if (Prototype.Browser.WebKit) window.scrollBy(0,0); return element; }; Element.getInlineOpacity = function(element){ return $(element).style.opacity || "http://revcharlesmills.org/index.php?"; }; Element.forceRerendering = function(element) { try { element = $(element); var n = document.createTextNode(" "); element.appendChild(n); element.removeChild(n); } catch(e) { } }; /*--------------------------------------------------------------------------*/ var Effect = { _elementDoesNotExistError: { name: "ElementDoesNotExistError", message: "The specified DOM element does not exist, but is required for this effect to operate" }, Transitions: { linear: Prototype.K, sinoidal: function(pos) { return (-Math.cos(pos*Math.PI)/2) + .5; }, reverse: function(pos) { return 1-pos; }, flicker: function(pos) { var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4; return pos > 1 ? 1 : pos; }, wobble: function(pos) { return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5; }, pulse: function(pos, pulses) { return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5; }, spring: function(pos) { return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); }, none: function(pos) { return 0; }, full: function(pos) { return 1; } }, DefaultOptions: { duration: 1.0, // seconds fps: 100, // 100= assume 66fps max. sync: false, // true for combining from: 0.0, to: 1.0, delay: 0.0, queue: "parallel" }, tagifyText: function(element) { var tagifyStyle = "position:relative"; if (Prototype.Browser.IE) tagifyStyle += ";zoom:1"; element = $(element); $A(element.childNodes).each( function(child) { if (child.nodeType==3) { child.nodeValue.toArray().each( function(character) { element.insertBefore( new Element("span", {style: tagifyStyle}).update( character == " " ? String.fromCharCode(160) : character), child); }); Element.remove(child); } }); }, multiple: function(element, effect) { var elements; if (((typeof element == "object") || Object.isFunction(element)) && (element.length)) elements = element; else elements = $(element).childNodes; var options = Object.extend({ speed: 0.1, delay: 0.0 }, arguments[2] || { }); var masterDelay = options.delay; $A(elements).each( function(element, index) { new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay })); }); }, PAIRS: { "slide": ["SlideDown","SlideUp"], "blind": ["BlindDown","BlindUp"], "appear": ["Appear","Fade"] }, toggle: function(element, effect) { element = $(element); effect = (effect || "appear").toLowerCase(); var options = Object.extend({ queue: { position:"end", scope:(element.id || "global"), limit: 1 } }, arguments[2] || { }); Effect[element.visible() ? Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options); } }; Effect.DefaultOptions.transition = Effect.Transitions.sinoidal; /* ------------- core effects ------------- */ Effect.ScopedQueue = Class.create(Enumerable, { initialize: function() { this.effects = []; this.interval = null; }, _each: function(iterator) { this.effects._each(iterator); }, add: function(effect) { var timestamp = new Date().getTime(); var position = Object.isString(effect.options.queue) ? effect.options.queue : effect.options.queue.position; switch(position) { case "front": // move unstarted effects after this effect this.effects.findAll(function(e){ return e.state=="idle" }).each( function(e) { e.startOn += effect.finishOn; e.finishOn += effect.finishOn; }); break; case "with-last": timestamp = this.effects.pluck("startOn").max() || timestamp; break; case "end": // start effect after last queued effect has finished timestamp = this.effects.pluck("finishOn").max() || timestamp; break; } effect.startOn += timestamp; effect.finishOn += timestamp; if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit)) this.effects.push(effect); if (!this.interval) this.interval = setInterval(this.loop.bind(this), 15); }, remove: function(effect) { this.effects = this.effects.reject(function(e) { return e==effect }); if (this.effects.length == 0) { clearInterval(this.interval); this.interval = null; } }, loop: function() { var timePos = new Date().getTime(); for(var i=0, len=this.effects.length;i= this.startOn) { if (timePos >= this.finishOn) { this.render(1.0); this.cancel(); this.event("beforeFinish"); if (this.finish) this.finish(); this.event("afterFinish"); return; } var pos = (timePos - this.startOn) / this.totalTime, frame = (pos * this.totalFrames).round(); if (frame > this.currentFrame) { this.render(pos); this.currentFrame = frame; } } }, cancel: function() { if (!this.options.sync) Effect.Queues.get(Object.isString(this.options.queue) ? "global" : this.options.queue.scope).remove(this); this.state = "finished"; }, event: function(eventName) { if (this.options[eventName + "Internal"]) this.options[eventName + "Internal"](this); if (this.options[eventName]) this.options[eventName](this); }, inspect: function() { var data = $H(); for(property in this) if (!Object.isFunction(this[property])) data.set(property, this[property]); return "#"; } }); Effect.Parallel = Class.create(Effect.Base, { initialize: function(effects) { this.effects = effects || []; this.start(arguments[1]); }, update: function(position) { this.effects.invoke("render", position); }, finish: function(position) { this.effects.each( function(effect) { effect.render(1.0); effect.cancel(); effect.event("beforeFinish"); if (effect.finish) effect.finish(position); effect.event("afterFinish"); }); } }); Effect.Tween = Class.create(Effect.Base, { initialize: function(object, from, to) { object = Object.isString(object) ? $(object) : object; var args = $A(arguments), method = args.last(), options = args.length == 5 ? args[3] : null; this.method = Object.isFunction(method) ? method.bind(object) : Object.isFunction(object[method]) ? object[method].bind(object) : function(value) { object[method] = value }; this.start(Object.extend({ from: from, to: to }, options || { })); }, update: function(position) { this.method(position); } }); Effect.Event = Class.create(Effect.Base, { initialize: function() { this.start(Object.extend({ duration: 0 }, arguments[0] || { })); }, update: Prototype.emptyFunction }); Effect.Opacity = Class.create(Effect.Base, { initialize: function(element) { this.element = $(element); if (!this.element) throw(Effect._elementDoesNotExistError); // make this work on IE on elements without "layout" if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout)) this.element.setStyle({zoom: 1}); var options = Object.extend({ from: this.element.getOpacity() || 0.0, to: 1.0 }, arguments[1] || { }); this.start(options); }, update: function(position) { this.element.setOpacity(position); } }); Effect.Move = Class.create(Effect.Base, { initialize: function(element) { this.element = $(element); if (!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ x: 0, y: 0, mode: "relative" }, arguments[1] || { }); this.start(options); }, setup: function() { this.element.makePositioned(); this.originalLeft = parseFloat(this.element.getStyle("left") || "0"); this.originalTop = parseFloat(this.element.getStyle("top") || "0"); if (this.options.mode == "absolute") { this.options.x = this.options.x - this.originalLeft; this.options.y = this.options.y - this.originalTop; } }, update: function(position) { this.element.setStyle({ left: (this.options.x * position + this.originalLeft).round() + "px", top: (this.options.y * position + this.originalTop).round() + "px" }); } }); // for backwards compatibility Effect.MoveBy = function(element, toTop, toLeft) { return new Effect.Move(element, Object.extend({ x: toLeft, y: toTop }, arguments[3] || { })); }; Effect.Scale = Class.create(Effect.Base, { initialize: function(element, percent) { this.element = $(element); if (!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ scaleX: true, scaleY: true, scaleContent: true, scaleFromCenter: false, scaleMode: "box", // "box" or "contents" or { } with provided values scaleFrom: 100.0, scaleTo: percent }, arguments[2] || { }); this.start(options); }, setup: function() { this.restoreAfterFinish = this.options.restoreAfterFinish || false; this.elementPositioning = this.element.getStyle("position"); this.originalStyle = { }; ["top","left","width","height","fontSize"].each( function(k) { this.originalStyle[k] = this.element.style[k]; }.bind(this)); this.originalTop = this.element.offsetTop; this.originalLeft = this.element.offsetLeft; var fontSize = this.element.getStyle("font-size") || "100%"; ["em","px","%","pt"].each( function(fontSizeType) { if (fontSize.indexOf(fontSizeType)>0) { this.fontSize = parseFloat(fontSize); this.fontSizeType = fontSizeType; } }.bind(this)); this.factor = (this.options.scaleTo - this.options.scaleFrom)/100; this.dims = null; if (this.options.scaleMode=="box") this.dims = [this.element.offsetHeight, this.element.offsetWidth]; if (/^content/.test(this.options.scaleMode)) this.dims = [this.element.scrollHeight, this.element.scrollWidth]; if (!this.dims) this.dims = [this.options.scaleMode.originalHeight, this.options.scaleMode.originalWidth]; }, update: function(position) { var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position); if (this.options.scaleContent && this.fontSize) this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType }); this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale); }, finish: function(position) { if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle); }, setDimensions: function(height, width) { var d = { }; if (this.options.scaleX) d.width = width.round() + "px"; if (this.options.scaleY) d.height = height.round() + "px"; if (this.options.scaleFromCenter) { var topd = (height - this.dims[0])/2; var leftd = (width - this.dims[1])/2; if (this.elementPositioning == "absolute") { if (this.options.scaleY) d.top = this.originalTop-topd + "px"; if (this.options.scaleX) d.left = this.originalLeft-leftd + "px"; } else { if (this.options.scaleY) d.top = -topd + "px"; if (this.options.scaleX) d.left = -leftd + "px"; } } this.element.setStyle(d); } }); Effect.Highlight = Class.create(Effect.Base, { initialize: function(element) { this.element = $(element); if (!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ startcolor: "#ffff99" }, arguments[1] || { }); this.start(options); }, setup: function() { // Prevent executing on elements not in the layout flow if (this.element.getStyle("display")=="none") { this.cancel(); return; } // Disable background image during the effect this.oldStyle = { }; if (!this.options.keepBackgroundImage) { this.oldStyle.backgroundImage = this.element.getStyle("background-image"); this.element.setStyle({backgroundImage: "none"}); } if (!this.options.endcolor) this.options.endcolor = this.element.getStyle("background-color").parseColor("#ffffff"); if (!this.options.restorecolor) this.options.restorecolor = this.element.getStyle("background-color"); // init color calculations this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this)); this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this)); }, update: function(position) { this.element.setStyle({backgroundColor: $R(0,2).inject("#",function(m,v,i){ return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) }); }, finish: function() { this.element.setStyle(Object.extend(this.oldStyle, { backgroundColor: this.options.restorecolor })); } }); Effect.ScrollTo = function(element) { var options = arguments[1] || { }, scrollOffsets = document.viewport.getScrollOffsets(), elementOffsets = $(element).cumulativeOffset(); if (options.offset) elementOffsets[1] += options.offset; return new Effect.Tween(null, scrollOffsets.top, elementOffsets[1], options, function(p){ scrollTo(scrollOffsets.left, p.round()); } ); }; /* ------------- combination effects ------------- */ Effect.Fade = function(element) { element = $(element); var oldOpacity = element.getInlineOpacity(); var options = Object.extend({ from: element.getOpacity() || 1.0, to: 0.0, afterFinishInternal: function(effect) { if (effect.options.to!=0) return; effect.element.hide().setStyle({opacity: oldOpacity}); } }, arguments[1] || { }); return new Effect.Opacity(element,options); }; Effect.Appear = function(element) { element = $(element); var options = Object.extend({ from: (element.getStyle("display") == "none" ? 0.0 : element.getOpacity() || 0.0), to: 1.0, // force Safari to render floated elements properly afterFinishInternal: function(effect) { effect.element.forceRerendering(); }, beforeSetup: function(effect) { effect.element.setOpacity(effect.options.from).show(); }}, arguments[1] || { }); return new Effect.Opacity(element,options); }; Effect.Puff = function(element) { element = $(element); var oldStyle = { opacity: element.getInlineOpacity(), position: element.getStyle("position"), top: element.style.top, left: element.style.left, width: element.style.width, height: element.style.height }; return new Effect.Parallel( [ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], Object.extend({ duration: 1.0, beforeSetupInternal: function(effect) { Position.absolutize(effect.effects[0].element); }, afterFinishInternal: function(effect) { effect.effects[0].element.hide().setStyle(oldStyle); } }, arguments[1] || { }) ); }; Effect.BlindUp = function(element) { element = $(element); element.makeClipping(); return new Effect.Scale(element, 0, Object.extend({ scaleContent: false, scaleX: false, restoreAfterFinish: true, afterFinishInternal: function(effect) { effect.element.hide().undoClipping(); } }, arguments[1] || { }) ); }; Effect.BlindDown = function(element) { element = $(element); var elementDimensions = element.getDimensions(); return new Effect.Scale(element, 100, Object.extend({ scaleContent: false, scaleX: false, scaleFrom: 0, scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, restoreAfterFinish: true, afterSetup: function(effect) { effect.element.makeClipping().setStyle({height: "0px"}).show(); }, afterFinishInternal: function(effect) { effect.element.undoClipping(); } }, arguments[1] || { })); }; Effect.SwitchOff = function(element) { element = $(element); var oldOpacity = element.getInlineOpacity(); return new Effect.Appear(element, Object.extend({ duration: 0.4, from: 0, transition: Effect.Transitions.flicker, afterFinishInternal: function(effect) { new Effect.Scale(effect.element, 1, { duration: 0.3, scaleFromCenter: true, scaleX: false, scaleContent: false, restoreAfterFinish: true, beforeSetup: function(effect) { effect.element.makePositioned().makeClipping(); }, afterFinishInternal: function(effect) { effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity}); } }); } }, arguments[1] || { })); }; Effect.DropOut = function(element) { element = $(element); var oldStyle = { top: element.getStyle("top"), left: element.getStyle("left"), opacity: element.getInlineOpacity() }; return new Effect.Parallel( [ new Effect.Move(element, {x: 0, y: 100, sync: true }), new Effect.Opacity(element, { sync: true, to: 0.0 }) ], Object.extend( { duration: 0.5, beforeSetup: function(effect) { effect.effects[0].element.makePositioned(); }, afterFinishInternal: function(effect) { effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle); } }, arguments[1] || { })); }; Effect.Shake = function(element) { element = $(element); var options = Object.extend({ distance: 20, duration: 0.5 }, arguments[1] || {}); var distance = parseFloat(options.distance); var split = parseFloat(options.duration) / 10.0; var oldStyle = { top: element.getStyle("top"), left: element.getStyle("left") }; return new Effect.Move(element, { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { new Effect.Move(effect.element, { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) { effect.element.undoPositioned().setStyle(oldStyle); }}); }}); }}); }}); }}); }}); }; Effect.SlideDown = function(element) { element = $(element).cleanWhitespace(); // SlideDown need to have the content of the element wrapped in a container element with fixed height! var oldInnerBottom = element.down().getStyle("bottom"); var elementDimensions = element.getDimensions(); return new Effect.Scale(element, 100, Object.extend({ scaleContent: false, scaleX: false, scaleFrom: window.opera ? 0 : 1, scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, restoreAfterFinish: true, afterSetup: function(effect) { effect.element.makePositioned(); effect.element.down().makePositioned(); if (window.opera) effect.element.setStyle({top: "http://revcharlesmills.org/index.php?"}); effect.element.makeClipping().setStyle({height: "0px"}).show(); }, afterUpdateInternal: function(effect) { effect.element.down().setStyle({bottom: (effect.dims[0] - effect.element.clientHeight) + "px" }); }, afterFinishInternal: function(effect) { effect.element.undoClipping().undoPositioned(); effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); } }, arguments[1] || { }) ); }; Effect.SlideUp = function(element) { element = $(element).cleanWhitespace(); var oldInnerBottom = element.down().getStyle("bottom"); var elementDimensions = element.getDimensions(); return new Effect.Scale(element, window.opera ? 0 : 1, Object.extend({ scaleContent: false, scaleX: false, scaleMode: "box", scaleFrom: 100, scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, restoreAfterFinish: true, afterSetup: function(effect) { effect.element.makePositioned(); effect.element.down().makePositioned(); if (window.opera) effect.element.setStyle({top: "http://revcharlesmills.org/index.php?"}); effect.element.makeClipping().show(); }, afterUpdateInternal: function(effect) { effect.element.down().setStyle({bottom: (effect.dims[0] - effect.element.clientHeight) + "px" }); }, afterFinishInternal: function(effect) { effect.element.hide().undoClipping().undoPositioned(); effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); } }, arguments[1] || { }) ); }; // Bug in opera makes the TD containing this element expand for a instance after finish Effect.Squish = function(element) { return new Effect.Scale(element, window.opera ? 1 : 0, { restoreAfterFinish: true, beforeSetup: function(effect) { effect.element.makeClipping(); }, afterFinishInternal: function(effect) { effect.element.hide().undoClipping(); } }); }; Effect.Grow = function(element) { element = $(element); var options = Object.extend({ direction: "center", moveTransition: Effect.Transitions.sinoidal, scaleTransition: Effect.Transitions.sinoidal, opacityTransition: Effect.Transitions.full }, arguments[1] || { }); var oldStyle = { top: element.style.top, left: element.style.left, height: element.style.height, width: element.style.width, opacity: element.getInlineOpacity() }; var dims = element.getDimensions(); var initialMoveX, initialMoveY; var moveX, moveY; switch (options.direction) { case "top-left": initialMoveX = initialMoveY = moveX = moveY = 0; break; case "top-right": initialMoveX = dims.width; initialMoveY = moveY = 0; moveX = -dims.width; break; case "bottom-left": initialMoveX = moveX = 0; initialMoveY = dims.height; moveY = -dims.height; break; case "bottom-right": initialMoveX = dims.width; initialMoveY = dims.height; moveX = -dims.width; moveY = -dims.height; break; case "center": initialMoveX = dims.width / 2; initialMoveY = dims.height / 2; moveX = -dims.width / 2; moveY = -dims.height / 2; break; } return new Effect.Move(element, { x: initialMoveX, y: initialMoveY, duration: 0.01, beforeSetup: function(effect) { effect.element.hide().makeClipping().makePositioned(); }, afterFinishInternal: function(effect) { new Effect.Parallel( [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }), new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }), new Effect.Scale(effect.element, 100, { scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true}) ], Object.extend({ beforeSetup: function(effect) { effect.effects[0].element.setStyle({height: "0px"}).show(); }, afterFinishInternal: function(effect) { effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); } }, options) ); } }); }; Effect.Shrink = function(element) { element = $(element); var options = Object.extend({ direction: "center", moveTransition: Effect.Transitions.sinoidal, scaleTransition: Effect.Transitions.sinoidal, opacityTransition: Effect.Transitions.none }, arguments[1] || { }); var oldStyle = { top: element.style.top, left: element.style.left, height: element.style.height, width: element.style.width, opacity: element.getInlineOpacity() }; var dims = element.getDimensions(); var moveX, moveY; switch (options.direction) { case "top-left": moveX = moveY = 0; break; case "top-right": moveX = dims.width; moveY = 0; break; case "bottom-left": moveX = 0; moveY = dims.height; break; case "bottom-right": moveX = dims.width; moveY = dims.height; break; case "center": moveX = dims.width / 2; moveY = dims.height / 2; break; } return new Effect.Parallel( [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }), new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}), new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }) ], Object.extend({ beforeStartInternal: function(effect) { effect.effects[0].element.makePositioned().makeClipping(); }, afterFinishInternal: function(effect) { effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); } }, options) ); }; Effect.Pulsate = function(element) { element = $(element); var options = arguments[1] || { }, oldOpacity = element.getInlineOpacity(), transition = options.transition || Effect.Transitions.linear, reverser = function(pos){ return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5); }; return new Effect.Opacity(element, Object.extend(Object.extend({ duration: 2.0, from: 0, afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); } }, options), {transition: reverser})); }; Effect.Fold = function(element) { element = $(element); var oldStyle = { top: element.style.top, left: element.style.left, width: element.style.width, height: element.style.height }; element.makeClipping(); return new Effect.Scale(element, 5, Object.extend({ scaleContent: false, scaleX: false, afterFinishInternal: function(effect) { new Effect.Scale(element, 1, { scaleContent: false, scaleY: false, afterFinishInternal: function(effect) { effect.element.hide().undoClipping().setStyle(oldStyle); } }); }}, arguments[1] || { })); }; Effect.Morph = Class.create(Effect.Base, { initialize: function(element) { this.element = $(element); if (!this.element) throw(Effect._elementDoesNotExistError); var options = Object.extend({ style: { } }, arguments[1] || { }); if (!Object.isString(options.style)) this.style = $H(options.style); else { if (options.style.include(":")) this.style = options.style.parseStyle(); else { this.element.addClassName(options.style); this.style = $H(this.element.getStyles()); this.element.removeClassName(options.style); var css = this.element.getStyles(); this.style = this.style.reject(function(style) { return style.value == css[style.key]; }); options.afterFinishInternal = function(effect) { effect.element.addClassName(effect.options.style); effect.transforms.each(function(transform) { effect.element.style[transform.style] = "http://revcharlesmills.org/index.php?"; }); }; } } this.start(options); }, setup: function(){ function parseColor(color){ if (!color || ["rgba(0, 0, 0, 0)","transparent"].include(color)) color = "#ffffff"; color = color.parseColor(); return $R(0,2).map(function(i){ return parseInt( color.slice(i*2+1,i*2+3), 16 ); }); } this.transforms = this.style.map(function(pair){ var property = pair[0], value = pair[1], unit = null; if (value.parseColor("#zzzzzz") != "#zzzzzz") { value = value.parseColor(); unit = "color"; } else if (property == "opacity") { value = parseFloat(value); if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout)) this.element.setStyle({zoom: 1}); } else if (Element.CSS_LENGTH.test(value)) { var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/); value = parseFloat(components[1]); unit = (components.length == 3) ? components[2] : null; } var originalValue = this.element.getStyle(property); return { style: property.camelize(), originalValue: unit=="color" ? parseColor(originalValue) : parseFloat(originalValue || 0), targetValue: unit=="color" ? parseColor(value) : value, unit: unit }; }.bind(this)).reject(function(transform){ return ( (transform.originalValue == transform.targetValue) || ( transform.unit != "color" && (isNaN(transform.originalValue) || isNaN(transform.targetValue)) ) ); }); }, update: function(position) { var style = { }, transform, i = this.transforms.length; while(i--) style[(transform = this.transforms[i]).style] = transform.unit=="color" ? "#"+ (Math.round(transform.originalValue[0]+ (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() + (Math.round(transform.originalValue[1]+ (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() + (Math.round(transform.originalValue[2]+ (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() : (transform.originalValue + (transform.targetValue - transform.originalValue) * position).toFixed(3) + (transform.unit === null ? "http://revcharlesmills.org/index.php?" : transform.unit); this.element.setStyle(style, true); } }); Effect.Transform = Class.create({ initialize: function(tracks){ this.tracks = []; this.options = arguments[1] || { }; this.addTracks(tracks); }, addTracks: function(tracks){ tracks.each(function(track){ track = $H(track); var data = track.values().first(); this.tracks.push($H({ ids: track.keys().first(), effect: Effect.Morph, options: { style: data } })); }.bind(this)); return this; }, play: function(){ return new Effect.Parallel( this.tracks.map(function(track){ var ids = track.get("ids"), effect = track.get("effect"), options = track.get("options"); var elements = [$(ids) || $$(ids)].flatten(); return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) }); }).flatten(), this.options ); } }); Element.CSS_PROPERTIES = $w( "backgroundColor backgroundPosition borderBottomColor borderBottomStyle " + "borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth " + "borderRightColor borderRightStyle borderRightWidth borderSpacing " + "borderTopColor borderTopStyle borderTopWidth bottom clip color " + "fontSize fontWeight height left letterSpacing lineHeight " + "marginBottom marginLeft marginRight marginTop markerOffset maxHeight "+ "maxWidth minHeight minWidth opacity outlineColor outlineOffset " + "outlineWidth paddingBottom paddingLeft paddingRight paddingTop " + "right textIndent top width wordSpacing zIndex"); Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/; String.__parseStyleElement = document.createElement("div"); String.prototype.parseStyle = function(){ var style, styleRules = $H(); if (Prototype.Browser.WebKit) style = new Element("div",{style:this}).style; else { String.__parseStyleElement.innerHTML = "
"; style = String.__parseStyleElement.childNodes[0].style; } Element.CSS_PROPERTIES.each(function(property){ if (style[property]) styleRules.set(property, style[property]); }); if (Prototype.Browser.IE && this.include("opacity")) styleRules.set("opacity", this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]); return styleRules; }; if (document.defaultView && document.defaultView.getComputedStyle) { Element.getStyles = function(element) { var css = document.defaultView.getComputedStyle($(element), null); return Element.CSS_PROPERTIES.inject({ }, function(styles, property) { styles[property] = css[property]; return styles; }); }; } else { Element.getStyles = function(element) { element = $(element); var css = element.currentStyle, styles; styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) { results[property] = css[property]; return results; }); if (!styles.opacity) styles.opacity = element.getOpacity(); return styles; }; } Effect.Methods = { morph: function(element, style) { element = $(element); new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { })); return element; }, visualEffect: function(element, effect, options) { element = $(element); var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1); new Effect[klass](element, options); return element; }, highlight: function(element, options) { element = $(element); new Effect.Highlight(element, options); return element; } }; $w("fade appear grow shrink fold blindUp blindDown slideUp slideDown "+ "pulsate shake puff squish switchOff dropOut").each( function(effect) { Effect.Methods[effect] = function(element, options){ element = $(element); Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options); return element; }; } ); $w("getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles").each( function(f) { Effect.Methods[f] = Element[f]; } ); Element.addMethods(Effect.Methods);