instiki/public/javascripts/effects.js

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2006-03-19 22:49:53 +01:00
// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
// Justin Palmer (http://encytemedia.com/)
// Mark Pilgrim (http://diveintomark.org/)
// Martin Bialasinki
//
// See scriptaculous.js for full license.
Object.debug = function(obj) {
var info = [];
if(typeof obj in ["string","number"]) {
return obj;
} else {
for(property in obj)
if(typeof obj[property]!="function")
info.push(property + ' => ' +
(typeof obj[property] == "string" ?
'"' + obj[property] + '"' :
obj[property]));
}
return ("'" + obj + "' #" + typeof obj +
": {" + info.join(", ") + "}");
}
/*--------------------------------------------------------------------------*/
var Builder = {
NODEMAP: {
AREA: 'map',
CAPTION: 'table',
COL: 'table',
COLGROUP: 'table',
LEGEND: 'fieldset',
OPTGROUP: 'select',
OPTION: 'select',
PARAM: 'object',
TBODY: 'table',
TD: 'table',
TFOOT: 'table',
TH: 'table',
THEAD: 'table',
TR: 'table'
},
// note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
// due to a Firefox bug
node: function(elementName) {
elementName = elementName.toUpperCase();
// try innerHTML approach
var parentTag = this.NODEMAP[elementName] || 'div';
var parentElement = document.createElement(parentTag);
parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
var element = parentElement.firstChild || null;
// see if browser added wrapping tags
if(element && (element.tagName != elementName))
element = element.getElementsByTagName(elementName)[0];
// fallback to createElement approach
if(!element) element = document.createElement(elementName);
// abort if nothing could be created
if(!element) return;
// attributes (or text)
if(arguments[1])
if(this._isStringOrNumber(arguments[1]) ||
(arguments[1] instanceof Array)) {
this._children(element, arguments[1]);
} else {
var attrs = this._attributes(arguments[1]);
if(attrs.length) {
parentElement.innerHTML = "<" +elementName + " " +
attrs + "></" + elementName + ">";
element = parentElement.firstChild || null;
// workaround firefox 1.0.X bug
if(!element) {
element = document.createElement(elementName);
for(attr in arguments[1])
element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
}
if(element.tagName != elementName)
element = parentElement.getElementsByTagName(elementName)[0];
}
}
// text, or array of children
if(arguments[2])
this._children(element, arguments[2]);
return element;
},
_text: function(text) {
return document.createTextNode(text);
},
_attributes: function(attributes) {
var attrs = [];
for(attribute in attributes)
attrs.push((attribute=='className' ? 'class' : attribute) +
'="' + attributes[attribute].toString().escapeHTML() + '"');
return attrs.join(" ");
},
_children: function(element, children) {
if(typeof children=='object') { // array can hold nodes and text
children.flatten().each( function(e) {
if(typeof e=='object')
element.appendChild(e)
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
} else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber: function(param) {
return(typeof param=='string' || typeof param=='number');
}
}
/* ------------- element ext -------------- */
// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
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.collectTextNodesIgnoreClass = function(element, ignoreclass) {
var children = $(element).childNodes;
var text = "";
var classtest = new RegExp("^([^ ]+ )*" + ignoreclass+ "( [^ ]+)*$","i");
for (var i = 0; i < children.length; i++) {
if(children[i].nodeType==3) {
text+=children[i].nodeValue;
} else {
if((!children[i].className.match(classtest)) && children[i].hasChildNodes())
text += Element.collectTextNodesIgnoreClass(children[i], ignoreclass);
}
}
return text;
}
Element.setContentZoom = function(element, percent) {
element = $(element);
element.style.fontSize = (percent/100) + "em";
if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
}
Element.getOpacity = function(element){
var opacity;
if (opacity = Element.getStyle(element, "opacity"))
return parseFloat(opacity);
if (opacity = (Element.getStyle(element, "filter") || '').match(/alpha\(opacity=(.*)\)/))
if(opacity[1]) return parseFloat(opacity[1]) / 100;
return 1.0;
}
Element.setOpacity = function(element, value){
element= $(element);
var els = element.style;
if (value == 1){
els.opacity = '0.999999';
if(/MSIE/.test(navigator.userAgent))
els.filter = Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'');
} else {
if(value < 0.00001) value = 0;
els.opacity = value;
if(/MSIE/.test(navigator.userAgent))
els.filter = Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
"alpha(opacity="+value*100+")";
}
}
Element.getInlineOpacity = function(element){
element= $(element);
var op;
op = element.style.opacity;
if (typeof op != "undefined" && op != "") return op;
return "";
}
Element.setInlineOpacity = function(element, value){
element= $(element);
var els = element.style;
els.opacity = value;
}
/*--------------------------------------------------------------------------*/
Element.Class = {
// Element.toggleClass(element, className) toggles the class being on/off
// Element.toggleClass(element, className1, className2) toggles between both classes,
// defaulting to className1 if neither exist
toggle: function(element, className) {
if(Element.Class.has(element, className)) {
Element.Class.remove(element, className);
if(arguments.length == 3) Element.Class.add(element, arguments[2]);
} else {
Element.Class.add(element, className);
if(arguments.length == 3) Element.Class.remove(element, arguments[2]);
}
},
// gets space-delimited classnames of an element as an array
get: function(element) {
return $(element).className.split(' ');
},
// functions adapted from original functions by Gavin Kistner
remove: function(element) {
element = $(element);
var removeClasses = arguments;
$R(1,arguments.length-1).each( function(index) {
element.className =
element.className.split(' ').reject(
function(klass) { return (klass == removeClasses[index]) } ).join(' ');
});
},
add: function(element) {
element = $(element);
for(var i = 1; i < arguments.length; i++) {
Element.Class.remove(element, arguments[i]);
element.className += (element.className.length > 0 ? ' ' : '') + arguments[i];
}
},
// returns true if all given classes exist in said element
has: function(element) {
element = $(element);
if(!element || !element.className) return false;
var regEx;
for(var i = 1; i < arguments.length; i++) {
if((typeof arguments[i] == 'object') &&
(arguments[i].constructor == Array)) {
for(var j = 0; j < arguments[i].length; j++) {
regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
if(!regEx.test(element.className)) return false;
}
} else {
regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
if(!regEx.test(element.className)) return false;
}
}
return true;
},
// expects arrays of strings and/or strings as optional paramters
// Element.Class.has_any(element, ['classA','classB','classC'], 'classD')
has_any: function(element) {
element = $(element);
if(!element || !element.className) return false;
var regEx;
for(var i = 1; i < arguments.length; i++) {
if((typeof arguments[i] == 'object') &&
(arguments[i].constructor == Array)) {
for(var j = 0; j < arguments[i].length; j++) {
regEx = new RegExp("(^|\\s)" + arguments[i][j] + "(\\s|$)");
if(regEx.test(element.className)) return true;
}
} else {
regEx = new RegExp("(^|\\s)" + arguments[i] + "(\\s|$)");
if(regEx.test(element.className)) return true;
}
}
return false;
},
childrenWith: function(element, className) {
var children = $(element).getElementsByTagName('*');
var elements = new Array();
for (var i = 0; i < children.length; i++)
if (Element.Class.has(children[i], className))
elements.push(children[i]);
return elements;
}
}
/*--------------------------------------------------------------------------*/
var Effect = {
tagifyText: function(element) {
var tagifyStyle = "position:relative";
if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ";zoom:1";
element = $(element);
$A(element.childNodes).each( function(child) {
if(child.nodeType==3) {
child.nodeValue.toArray().each( function(character) {
element.insertBefore(
Builder.node('span',{style: tagifyStyle},
character == " " ? String.fromCharCode(160) : character),
child);
});
Element.remove(child);
}
});
},
multiple: function(element, effect) {
var elements;
if(((typeof element == 'object') ||
(typeof element == 'function')) &&
(element.length))
elements = element;
else
elements = $(element).childNodes;
var options = Object.extend({
speed: 0.1,
delay: 0.0
}, arguments[2] || {});
var speed = options.speed;
var delay = options.delay;
$A(elements).each( function(element, index) {
new effect(element, Object.extend(options, { delay: delay + index * speed }));
});
}
};
var Effect2 = Effect; // deprecated
/* ------------- transitions ------------- */
Effect.Transitions = {}
Effect.Transitions.linear = function(pos) {
return pos;
}
Effect.Transitions.sinoidal = function(pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
}
Effect.Transitions.reverse = function(pos) {
return 1-pos;
}
Effect.Transitions.flicker = function(pos) {
return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
}
Effect.Transitions.wobble = function(pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
}
Effect.Transitions.pulse = function(pos) {
return (Math.floor(pos*10) % 2 == 0 ?
(pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
}
Effect.Transitions.none = function(pos) {
return 0;
}
Effect.Transitions.full = function(pos) {
return 1;
}
/* ------------- core effects ------------- */
Effect.Queue = {
effects: [],
interval: null,
add: function(effect) {
var timestamp = new Date().getTime();
switch(effect.options.queue) {
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 'end':
// start effect after last queued effect has finished
timestamp = this.effects.pluck('finishOn').max() || timestamp;
break;
}
effect.startOn += timestamp;
effect.finishOn += timestamp;
this.effects.push(effect);
if(!this.interval)
this.interval = setInterval(this.loop.bind(this), 40);
},
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();
this.effects.invoke('loop', timePos);
}
}
Effect.Base = function() {};
Effect.Base.prototype = {
position: null,
setOptions: function(options) {
this.options = Object.extend({
transition: Effect.Transitions.sinoidal,
duration: 1.0, // seconds
fps: 25.0, // max. 25fps due to Effect.Queue implementation
sync: false, // true for combining
from: 0.0,
to: 1.0,
delay: 0.0,
queue: 'parallel'
}, options || {});
},
start: function(options) {
this.setOptions(options || {});
this.currentFrame = 0;
this.state = 'idle';
this.startOn = this.options.delay*1000;
this.finishOn = this.startOn + (this.options.duration*1000);
this.event('beforeStart');
if(!this.options.sync) Effect.Queue.add(this);
},
loop: function(timePos) {
if(timePos >= 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.finishOn - this.startOn);
var frame = Math.round(pos * this.options.fps * this.options.duration);
if(frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
render: function(pos) {
if(this.state == 'idle') {
this.state = 'running';
this.event('beforeSetup');
if(this.setup) this.setup();
this.event('afterSetup');
}
if(this.options.transition) pos = this.options.transition(pos);
pos *= (this.options.to-this.options.from);
pos += this.options.from;
this.position = pos;
this.event('beforeUpdate');
if(this.update) this.update(pos);
this.event('afterUpdate');
},
cancel: function() {
if(!this.options.sync) Effect.Queue.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);
}
}
Effect.Parallel = Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
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.Opacity = Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
// make this work on IE on elements without 'layout'
if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
this.element.style.zoom = 1;
var options = Object.extend({
from: Element.getOpacity(this.element) || 0.0,
to: 1.0
}, arguments[1] || {});
this.start(options);
},
update: function(position) {
Element.setOpacity(this.element, position);
}
});
Effect.MoveBy = Class.create();
Object.extend(Object.extend(Effect.MoveBy.prototype, Effect.Base.prototype), {
initialize: function(element, toTop, toLeft) {
this.element = $(element);
this.toTop = toTop;
this.toLeft = toLeft;
this.start(arguments[3]);
},
setup: function() {
// Bug in Opera: Opera returns the "real" position of a static element or
// relative element that does not have top/left explicitly set.
// ==> Always set top and left for position relative elements in your stylesheets
// (to 0 if you do not need them)
Element.makePositioned(this.element);
this.originalTop = parseFloat(Element.getStyle(this.element,'top') || '0');
this.originalLeft = parseFloat(Element.getStyle(this.element,'left') || '0');
},
update: function(position) {
var topd = this.toTop * position + this.originalTop;
var leftd = this.toLeft * position + this.originalLeft;
this.setPosition(topd, leftd);
},
setPosition: function(topd, leftd) {
this.element.style.top = topd + "px";
this.element.style.left = leftd + "px";
}
});
Effect.Scale = Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element = $(element)
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() {
var effect = this;
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = Element.getStyle(this.element,'position');
effect.originalStyle = {};
['top','left','width','height','fontSize'].each( function(k) {
effect.originalStyle[k] = effect.element.style[k];
});
this.originalTop = this.element.offsetTop;
this.originalLeft = this.element.offsetLeft;
var fontSize = Element.getStyle(this.element,'font-size') || "100%";
['em','px','%'].each( function(fontSizeType) {
if(fontSize.indexOf(fontSizeType)>0) {
effect.fontSize = parseFloat(fontSize);
effect.fontSizeType = fontSizeType;
}
});
this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
this.dims = null;
if(this.options.scaleMode=='box')
this.dims = [this.element.clientHeight, this.element.clientWidth];
if(this.options.scaleMode=='content')
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.style.fontSize = this.fontSize*currentScale + this.fontSizeType;
this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
},
finish: function(position) {
if (this.restoreAfterFinish) {
var effect = this;
['top','left','width','height','fontSize'].each( function(k) {
effect.element.style[k] = effect.originalStyle[k];
});
}
},
setDimensions: function(height, width) {
var els = this.element.style;
if(this.options.scaleX) els.width = width + 'px';
if(this.options.scaleY) els.height = height + '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) els.top = this.originalTop-topd + "px";
if(this.options.scaleX) els.left = this.originalLeft-leftd + "px";
} else {
if(this.options.scaleY) els.top = -topd + "px";
if(this.options.scaleX) els.left = -leftd + "px";
}
}
}
});
Effect.Highlight = Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
var options = Object.extend({
startcolor: "#ffff99"
}, arguments[1] || {});
this.start(options);
},
setup: function() {
// Disable background image during the effect
this.oldBgImage = this.element.style.backgroundImage;
this.element.style.backgroundImage = "none";
if(!this.options.endcolor)
this.options.endcolor = Element.getStyle(this.element, 'background-color').parseColor('#ffffff');
if (typeof this.options.restorecolor == "undefined")
this.options.restorecolor = this.element.style.backgroundColor;
// init color calculations
this.colors_base = [
parseInt(this.options.startcolor.slice(1,3),16),
parseInt(this.options.startcolor.slice(3,5),16),
parseInt(this.options.startcolor.slice(5),16) ];
this.colors_delta = [
parseInt(this.options.endcolor.slice(1,3),16)-this.colors_base[0],
parseInt(this.options.endcolor.slice(3,5),16)-this.colors_base[1],
parseInt(this.options.endcolor.slice(5),16)-this.colors_base[2]];
},
update: function(position) {
var effect = this; var colors = $R(0,2).map( function(i){
return Math.round(effect.colors_base[i]+(effect.colors_delta[i]*position))
});
this.element.style.backgroundColor = "#" +
colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart();
},
finish: function() {
this.element.style.backgroundColor = this.options.restorecolor;
this.element.style.backgroundImage = this.oldBgImage;
}
});
Effect.ScrollTo = Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element = $(element);
this.start(arguments[1] || {});
},
setup: function() {
Position.prepare();
var offsets = Position.cumulativeOffset(this.element);
var max = window.innerHeight ?
window.height - window.innerHeight :
document.body.scrollHeight -
(document.documentElement.clientHeight ?
document.documentElement.clientHeight : document.body.clientHeight);
this.scrollStart = Position.deltaY;
this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
},
update: function(position) {
Position.prepare();
window.scrollTo(Position.deltaX,
this.scrollStart + (position*this.delta));
}
});
/* ------------- combination effects ------------- */
Effect.Fade = function(element) {
var oldOpacity = Element.getInlineOpacity(element);
var options = Object.extend({
from: Element.getOpacity(element) || 1.0,
to: 0.0,
afterFinishInternal: function(effect)
{ if (effect.options.to == 0) {
Element.hide(effect.element);
Element.setInlineOpacity(effect.element, oldOpacity);
}
}
}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Appear = function(element) {
var options = Object.extend({
from: (Element.getStyle(element, "display") == "none" ? 0.0 : Element.getOpacity(element) || 0.0),
to: 1.0,
beforeSetup: function(effect)
{ Element.setOpacity(effect.element, effect.options.from);
Element.show(effect.element); }
}, arguments[1] || {});
return new Effect.Opacity(element,options);
}
Effect.Puff = function(element) {
element = $(element);
var oldOpacity = Element.getInlineOpacity(element);
var oldPosition = element.style.position;
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)
{ effect.effects[0].element.style.position = 'absolute'; },
afterFinishInternal: function(effect)
{ Element.hide(effect.effects[0].element);
effect.effects[0].element.style.position = oldPosition;
Element.setInlineOpacity(effect.effects[0].element, oldOpacity); }
}, arguments[1] || {})
);
}
Effect.BlindUp = function(element) {
element = $(element);
Element.makeClipping(element);
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false,
scaleX: false,
restoreAfterFinish: true,
afterFinishInternal: function(effect)
{
Element.hide(effect.element);
Element.undoClipping(effect.element);
}
}, arguments[1] || {})
);
}
Effect.BlindDown = function(element) {
element = $(element);
var oldHeight = element.style.height;
var elementDimensions = Element.getDimensions(element);
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) {
Element.makeClipping(effect.element);
effect.element.style.height = "0px";
Element.show(effect.element);
},
afterFinishInternal: function(effect) {
Element.undoClipping(effect.element);
effect.element.style.height = oldHeight;
}
}, arguments[1] || {})
);
}
Effect.SwitchOff = function(element) {
element = $(element);
var oldOpacity = Element.getInlineOpacity(element);
return new Effect.Appear(element, {
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) {
Element.makePositioned(effect.element);
Element.makeClipping(effect.element);
},
afterFinishInternal: function(effect) {
Element.hide(effect.element);
Element.undoClipping(effect.element);
Element.undoPositioned(effect.element);
Element.setInlineOpacity(effect.element, oldOpacity);
}
})
}
});
}
Effect.DropOut = function(element) {
element = $(element);
var oldTop = element.style.top;
var oldLeft = element.style.left;
var oldOpacity = Element.getInlineOpacity(element);
return new Effect.Parallel(
[ new Effect.MoveBy(element, 100, 0, { sync: true }),
new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
Object.extend(
{ duration: 0.5,
beforeSetup: function(effect) {
Element.makePositioned(effect.effects[0].element); },
afterFinishInternal: function(effect) {
Element.hide(effect.effects[0].element);
Element.undoPositioned(effect.effects[0].element);
effect.effects[0].element.style.left = oldLeft;
effect.effects[0].element.style.top = oldTop;
Element.setInlineOpacity(effect.effects[0].element, oldOpacity); }
}, arguments[1] || {}));
}
Effect.Shake = function(element) {
element = $(element);
var oldTop = element.style.top;
var oldLeft = element.style.left;
return new Effect.MoveBy(element, 0, 20,
{ duration: 0.05, afterFinishInternal: function(effect) {
new Effect.MoveBy(effect.element, 0, -40,
{ duration: 0.1, afterFinishInternal: function(effect) {
new Effect.MoveBy(effect.element, 0, 40,
{ duration: 0.1, afterFinishInternal: function(effect) {
new Effect.MoveBy(effect.element, 0, -40,
{ duration: 0.1, afterFinishInternal: function(effect) {
new Effect.MoveBy(effect.element, 0, 40,
{ duration: 0.1, afterFinishInternal: function(effect) {
new Effect.MoveBy(effect.element, 0, -20,
{ duration: 0.05, afterFinishInternal: function(effect) {
Element.undoPositioned(effect.element);
effect.element.style.left = oldLeft;
effect.element.style.top = oldTop;
}}) }}) }}) }}) }}) }});
}
Effect.SlideDown = function(element) {
element = $(element);
Element.cleanWhitespace(element);
// SlideDown need to have the content of the element wrapped in a container element with fixed height!
var oldInnerBottom = element.firstChild.style.bottom;
var elementDimensions = Element.getDimensions(element);
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) {
Element.makePositioned(effect.element.firstChild);
if (window.opera) effect.element.firstChild.style.top = "";
Element.makeClipping(effect.element);
element.style.height = '0';
Element.show(element);
},
afterUpdateInternal: function(effect) {
effect.element.firstChild.style.bottom =
(effect.originalHeight - effect.element.clientHeight) + 'px'; },
afterFinishInternal: function(effect) {
Element.undoClipping(effect.element);
Element.undoPositioned(effect.element.firstChild);
effect.element.firstChild.style.bottom = oldInnerBottom; }
}, arguments[1] || {})
);
}
Effect.SlideUp = function(element) {
element = $(element);
Element.cleanWhitespace(element);
var oldInnerBottom = element.firstChild.style.bottom;
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false,
scaleX: false,
scaleMode: 'box',
scaleFrom: 100,
restoreAfterFinish: true,
beforeStartInternal: function(effect) {
Element.makePositioned(effect.element.firstChild);
if (window.opera) effect.element.firstChild.style.top = "";
Element.makeClipping(effect.element);
Element.show(element);
},
afterUpdateInternal: function(effect) {
effect.element.firstChild.style.bottom =
(effect.originalHeight - effect.element.clientHeight) + 'px'; },
afterFinishInternal: function(effect) {
Element.hide(effect.element);
Element.undoClipping(effect.element);
Element.undoPositioned(effect.element.firstChild);
effect.element.firstChild.style.bottom = oldInnerBottom; }
}, arguments[1] || {})
);
}
Effect.Squish = function(element) {
// Bug in opera makes the TD containing this element expand for a instance after finish
return new Effect.Scale(element, window.opera ? 1 : 0,
{ restoreAfterFinish: true,
beforeSetup: function(effect) {
Element.makeClipping(effect.element); },
afterFinishInternal: function(effect) {
Element.hide(effect.element);
Element.undoClipping(effect.element); }
});
}
Effect.Grow = function(element) {
element = $(element);
var options = arguments[1] || {};
var elementDimensions = Element.getDimensions(element);
var originalWidth = elementDimensions.width;
var originalHeight = elementDimensions.height;
var oldTop = element.style.top;
var oldLeft = element.style.left;
var oldHeight = element.style.height;
var oldWidth = element.style.width;
var oldOpacity = Element.getInlineOpacity(element);
var direction = options.direction || 'center';
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
var opacityTransition = options.opacityTransition || Effect.Transitions.full;
var initialMoveX, initialMoveY;
var moveX, moveY;
switch (direction) {
case 'top-left':
initialMoveX = initialMoveY = moveX = moveY = 0;
break;
case 'top-right':
initialMoveX = originalWidth;
initialMoveY = moveY = 0;
moveX = -originalWidth;
break;
case 'bottom-left':
initialMoveX = moveX = 0;
initialMoveY = originalHeight;
moveY = -originalHeight;
break;
case 'bottom-right':
initialMoveX = originalWidth;
initialMoveY = originalHeight;
moveX = -originalWidth;
moveY = -originalHeight;
break;
case 'center':
initialMoveX = originalWidth / 2;
initialMoveY = originalHeight / 2;
moveX = -originalWidth / 2;
moveY = -originalHeight / 2;
break;
}
return new Effect.MoveBy(element, initialMoveY, initialMoveX, {
duration: 0.01,
beforeSetup: function(effect) {
Element.hide(effect.element);
Element.makeClipping(effect.element);
Element.makePositioned(effect.element);
},
afterFinishInternal: function(effect) {
new Effect.Parallel(
[ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
new Effect.MoveBy(effect.element, moveY, moveX, { sync: true, transition: moveTransition }),
new Effect.Scale(effect.element, 100, {
scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth },
sync: true, scaleFrom: window.opera ? 1 : 0, transition: scaleTransition, restoreAfterFinish: true})
], Object.extend({
beforeSetup: function(effect) {
effect.effects[0].element.style.height = 0;
Element.show(effect.effects[0].element);
},
afterFinishInternal: function(effect) {
var el = effect.effects[0].element;
var els = el.style;
Element.undoClipping(el);
Element.undoPositioned(el);
els.top = oldTop;
els.left = oldLeft;
els.height = oldHeight;
els.width = originalWidth;
Element.setInlineOpacity(el, oldOpacity);
}
}, options)
)
}
});
}
Effect.Shrink = function(element) {
element = $(element);
var options = arguments[1] || {};
var originalWidth = element.clientWidth;
var originalHeight = element.clientHeight;
var oldTop = element.style.top;
var oldLeft = element.style.left;
var oldHeight = element.style.height;
var oldWidth = element.style.width;
var oldOpacity = Element.getInlineOpacity(element);
var direction = options.direction || 'center';
var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
var opacityTransition = options.opacityTransition || Effect.Transitions.none;
var moveX, moveY;
switch (direction) {
case 'top-left':
moveX = moveY = 0;
break;
case 'top-right':
moveX = originalWidth;
moveY = 0;
break;
case 'bottom-left':
moveX = 0;
moveY = originalHeight;
break;
case 'bottom-right':
moveX = originalWidth;
moveY = originalHeight;
break;
case 'center':
moveX = originalWidth / 2;
moveY = originalHeight / 2;
break;
}
return new Effect.Parallel(
[ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: scaleTransition, restoreAfterFinish: true}),
new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition })
], Object.extend({
beforeStartInternal: function(effect) {
Element.makePositioned(effect.effects[0].element);
Element.makeClipping(effect.effects[0].element);
},
afterFinishInternal: function(effect) {
var el = effect.effects[0].element;
var els = el.style;
Element.hide(el);
Element.undoClipping(el);
Element.undoPositioned(el);
els.top = oldTop;
els.left = oldLeft;
els.height = oldHeight;
els.width = oldWidth;
Element.setInlineOpacity(el, oldOpacity);
}
}, options)
);
}
Effect.Pulsate = function(element) {
element = $(element);
var options = arguments[1] || {};
var oldOpacity = Element.getInlineOpacity(element);
var transition = options.transition || Effect.Transitions.sinoidal;
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
reverser.bind(transition);
return new Effect.Opacity(element,
Object.extend(Object.extend({ duration: 3.0, from: 0,
afterFinishInternal: function(effect) { Element.setInlineOpacity(effect.element, oldOpacity); }
}, options), {transition: reverser}));
}
Effect.Fold = function(element) {
element = $(element);
var originalTop = element.style.top;
var originalLeft = element.style.left;
var originalWidth = element.style.width;
var originalHeight = element.style.height;
Element.makeClipping(element);
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) {
Element.hide(effect.element);
Element.undoClipping(effect.element);
effect.element.style.top = originalTop;
effect.element.style.left = originalLeft;
effect.element.style.width = originalWidth;
effect.element.style.height = originalHeight;
} });
}}, arguments[1] || {}));
}