1 // script.aculo.us effects.js v1.6.4, Wed Sep 06 11:30:58 CEST 2006

     2 

     3 // Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)

     4 // Contributors:

     5 //  Justin Palmer (http://encytemedia.com/)

     6 //  Mark Pilgrim (http://diveintomark.org/)

     7 //  Martin Bialasinki

     8 // 

     9 // See scriptaculous.js for full license.  

    10 

    11 // converts rgb() and #xxx to #xxxxxx format,  

    12 // returns self (or first argument) if not convertable  

    13 String.prototype.parseColor = function() {  

    14   var color = '#';  

    15   if(this.slice(0,4) == 'rgb(') {  

    16     var cols = this.slice(4,this.length-1).split(',');  

    17     var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  

    18   } else {  

    19     if(this.slice(0,1) == '#') {  

    20       if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  

    21       if(this.length==7) color = this.toLowerCase();  

    22     }  

    23   }  

    24   return(color.length==7 ? color : (arguments[0] || this));  

    25 }

    26 

    27 /*--------------------------------------------------------------------------*/

    28 

    29 Element.collectTextNodes = function(element) {  

    30   return $A($(element).childNodes).collect( function(node) {

    31     return (node.nodeType==3 ? node.nodeValue : 

    32       (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));

    33   }).flatten().join('');

    34 }

    35 

    36 Element.collectTextNodesIgnoreClass = function(element, className) {  

    37   return $A($(element).childNodes).collect( function(node) {

    38     return (node.nodeType==3 ? node.nodeValue : 

    39       ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 

    40         Element.collectTextNodesIgnoreClass(node, className) : ''));

    41   }).flatten().join('');

    42 }

    43 

    44 Element.setContentZoom = function(element, percent) {

    45   element = $(element);  

    46   Element.setStyle(element, {fontSize: (percent/100) + 'em'});   

    47   if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);

    48 }

    49 

    50 Element.getOpacity = function(element){  

    51   var opacity;

    52   if (opacity = Element.getStyle(element, 'opacity'))  

    53     return parseFloat(opacity);  

    54   if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  

    55     if(opacity[1]) return parseFloat(opacity[1]) / 100;  

    56   return 1.0;  

    57 }

    58 

    59 Element.setOpacity = function(element, value){  

    60   element= $(element);  

    61   if (value == 1){

    62     Element.setStyle(element, { opacity: 

    63       (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 

    64       0.999999 : 1.0 });

    65     if(/MSIE/.test(navigator.userAgent) && !window.opera)  

    66       Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  

    67   } else {  

    68     if(value < 0.00001) value = 0;  

    69     Element.setStyle(element, {opacity: value});

    70     if(/MSIE/.test(navigator.userAgent) && !window.opera)  

    71      Element.setStyle(element, 

    72        { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +

    73                  'alpha(opacity='+value*100+')' });  

    74   }

    75 }  

    76  

    77 Element.getInlineOpacity = function(element){  

    78   return $(element).style.opacity || '';

    79 }  

    80 

    81 Element.childrenWithClassName = function(element, className, findFirst) {

    82   var classNameRegExp = new RegExp("(^|\\s)" + className + "(\\s|$)");

    83   var results = $A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 

    84     return (c.className && c.className.match(classNameRegExp));

    85   });

    86   if(!results) results = [];

    87   return results;

    88 }

    89 

    90 Element.forceRerendering = function(element) {

    91   try {

    92     element = $(element);

    93     var n = document.createTextNode(' ');

    94     element.appendChild(n);

    95     element.removeChild(n);

    96   } catch(e) { }

    97 };

    98 

    99 /*--------------------------------------------------------------------------*/

   100 

   101 Array.prototype.call = function() {

   102   var args = arguments;

   103   this.each(function(f){ f.apply(this, args) });

   104 }

   105 

   106 /*--------------------------------------------------------------------------*/

   107 

   108 var Effect = {

   109   _elementDoesNotExistError: {

   110     name: 'ElementDoesNotExistError',

   111     message: 'The specified DOM element does not exist, but is required for this effect to operate'

   112   },

   113   tagifyText: function(element) {

   114     if(typeof Builder == 'undefined')

   115       throw("Effect.tagifyText requires including script.aculo.us' builder.js library");

   116       

   117     var tagifyStyle = 'position:relative';

   118     if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';

   119     element = $(element);

   120     $A(element.childNodes).each( function(child) {

   121       if(child.nodeType==3) {

   122         child.nodeValue.toArray().each( function(character) {

   123           element.insertBefore(

   124             Builder.node('span',{style: tagifyStyle},

   125               character == ' ' ? String.fromCharCode(160) : character), 

   126               child);

   127         });

   128         Element.remove(child);

   129       }

   130     });

   131   },

   132   multiple: function(element, effect) {

   133     var elements;

   134     if(((typeof element == 'object') || 

   135         (typeof element == 'function')) && 

   136        (element.length))

   137       elements = element;

   138     else

   139       elements = $(element).childNodes;

   140       

   141     var options = Object.extend({

   142       speed: 0.1,

   143       delay: 0.0

   144     }, arguments[2] || {});

   145     var masterDelay = options.delay;

   146 

   147     $A(elements).each( function(element, index) {

   148       new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));

   149     });

   150   },

   151   PAIRS: {

   152     'slide':  ['SlideDown','SlideUp'],

   153     'blind':  ['BlindDown','BlindUp'],

   154     'appear': ['Appear','Fade']

   155   },

   156   toggle: function(element, effect) {

   157     element = $(element);

   158     effect = (effect || 'appear').toLowerCase();

   159     var options = Object.extend({

   160       queue: { position:'end', scope:(element.id || 'global'), limit: 1 }

   161     }, arguments[2] || {});

   162     Effect[element.visible() ? 

   163       Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);

   164   }

   165 };

   166 

   167 var Effect2 = Effect; // deprecated

   168 

   169 /* ------------- transitions ------------- */

   170 

   171 Effect.Transitions = {}

   172 

   173 Effect.Transitions.linear = Prototype.K;

   174 

   175 Effect.Transitions.sinoidal = function(pos) {

   176   return (-Math.cos(pos*Math.PI)/2) + 0.5;

   177 }

   178 Effect.Transitions.reverse  = function(pos) {

   179   return 1-pos;

   180 }

   181 Effect.Transitions.flicker = function(pos) {

   182   return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;

   183 }

   184 Effect.Transitions.wobble = function(pos) {

   185   return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;

   186 }

   187 Effect.Transitions.pulse = function(pos) {

   188   return (Math.floor(pos*10) % 2 == 0 ? 

   189     (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));

   190 }

   191 Effect.Transitions.none = function(pos) {

   192   return 0;

   193 }

   194 Effect.Transitions.full = function(pos) {

   195   return 1;

   196 }

   197 

   198 /* ------------- core effects ------------- */

   199 

   200 Effect.ScopedQueue = Class.create();

   201 Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {

   202   initialize: function() {

   203     this.effects  = [];

   204     this.interval = null;

   205   },

   206   _each: function(iterator) {

   207     this.effects._each(iterator);

   208   },

   209   add: function(effect) {

   210     var timestamp = new Date().getTime();

   211     

   212     var position = (typeof effect.options.queue == 'string') ? 

   213       effect.options.queue : effect.options.queue.position;

   214     

   215     switch(position) {

   216       case 'front':

   217         // move unstarted effects after this effect  

   218         this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {

   219             e.startOn  += effect.finishOn;

   220             e.finishOn += effect.finishOn;

   221           });

   222         break;

   223       case 'end':

   224         // start effect after last queued effect has finished

   225         timestamp = this.effects.pluck('finishOn').max() || timestamp;

   226         break;

   227     }

   228     

   229     effect.startOn  += timestamp;

   230     effect.finishOn += timestamp;

   231 

   232     if(!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))

   233       this.effects.push(effect);

   234     

   235     if(!this.interval) 

   236       this.interval = setInterval(this.loop.bind(this), 40);

   237   },

   238   remove: function(effect) {

   239     this.effects = this.effects.reject(function(e) { return e==effect });

   240     if(this.effects.length == 0) {

   241       clearInterval(this.interval);

   242       this.interval = null;

   243     }

   244   },

   245   loop: function() {

   246     var timePos = new Date().getTime();

   247     this.effects.invoke('loop', timePos);

   248   }

   249 });

   250 

   251 Effect.Queues = {

   252   instances: $H(),

   253   get: function(queueName) {

   254     if(typeof queueName != 'string') return queueName;

   255     

   256     if(!this.instances[queueName])

   257       this.instances[queueName] = new Effect.ScopedQueue();

   258       

   259     return this.instances[queueName];

   260   }

   261 }

   262 Effect.Queue = Effect.Queues.get('global');

   263 

   264 Effect.DefaultOptions = {

   265   transition: Effect.Transitions.sinoidal,

   266   duration:   1.0,   // seconds

   267   fps:        25.0,  // max. 25fps due to Effect.Queue implementation

   268   sync:       false, // true for combining

   269   from:       0.0,

   270   to:         1.0,

   271   delay:      0.0,

   272   queue:      'parallel'

   273 }

   274 

   275 Effect.Base = function() {};

   276 Effect.Base.prototype = {

   277   position: null,

   278   start: function(options) {

   279     this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});

   280     this.currentFrame = 0;

   281     this.state        = 'idle';

   282     this.startOn      = this.options.delay*1000;

   283     this.finishOn     = this.startOn + (this.options.duration*1000);

   284     this.event('beforeStart');

   285     if(!this.options.sync)

   286       Effect.Queues.get(typeof this.options.queue == 'string' ? 

   287         'global' : this.options.queue.scope).add(this);

   288   },

   289   loop: function(timePos) {

   290     if(timePos >= this.startOn) {

   291       if(timePos >= this.finishOn) {

   292         this.render(1.0);

   293         this.cancel();

   294         this.event('beforeFinish');

   295         if(this.finish) this.finish(); 

   296         this.event('afterFinish');

   297         return;  

   298       }

   299       var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);

   300       var frame = Math.round(pos * this.options.fps * this.options.duration);

   301       if(frame > this.currentFrame) {

   302         this.render(pos);

   303         this.currentFrame = frame;

   304       }

   305     }

   306   },

   307   render: function(pos) {

   308     if(this.state == 'idle') {

   309       this.state = 'running';

   310       this.event('beforeSetup');

   311       if(this.setup) this.setup();

   312       this.event('afterSetup');

   313     }

   314     if(this.state == 'running') {

   315       if(this.options.transition) pos = this.options.transition(pos);

   316       pos *= (this.options.to-this.options.from);

   317       pos += this.options.from;

   318       this.position = pos;

   319       this.event('beforeUpdate');

   320       if(this.update) this.update(pos);

   321       this.event('afterUpdate');

   322     }

   323   },

   324   cancel: function() {

   325     if(!this.options.sync)

   326       Effect.Queues.get(typeof this.options.queue == 'string' ? 

   327         'global' : this.options.queue.scope).remove(this);

   328     this.state = 'finished';

   329   },

   330   event: function(eventName) {

   331     if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);

   332     if(this.options[eventName]) this.options[eventName](this);

   333   },

   334   inspect: function() {

   335     return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';

   336   }

   337 }

   338 

   339 Effect.Parallel = Class.create();

   340 Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {

   341   initialize: function(effects) {

   342     this.effects = effects || [];

   343     this.start(arguments[1]);

   344   },

   345   update: function(position) {

   346     this.effects.invoke('render', position);

   347   },

   348   finish: function(position) {

   349     this.effects.each( function(effect) {

   350       effect.render(1.0);

   351       effect.cancel();

   352       effect.event('beforeFinish');

   353       if(effect.finish) effect.finish(position);

   354       effect.event('afterFinish');

   355     });

   356   }

   357 });

   358 

   359 Effect.Opacity = Class.create();

   360 Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {

   361   initialize: function(element) {

   362     this.element = $(element);

   363     if(!this.element) throw(Effect._elementDoesNotExistError);

   364     // make this work on IE on elements without 'layout'

   365     if(/MSIE/.test(navigator.userAgent) && !window.opera && (!this.element.currentStyle.hasLayout))

   366       this.element.setStyle({zoom: 1});

   367     var options = Object.extend({

   368       from: this.element.getOpacity() || 0.0,

   369       to:   1.0

   370     }, arguments[1] || {});

   371     this.start(options);

   372   },

   373   update: function(position) {

   374     this.element.setOpacity(position);

   375   }

   376 });

   377 

   378 Effect.Move = Class.create();

   379 Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {

   380   initialize: function(element) {

   381     this.element = $(element);

   382     if(!this.element) throw(Effect._elementDoesNotExistError);

   383     var options = Object.extend({

   384       x:    0,

   385       y:    0,

   386       mode: 'relative'

   387     }, arguments[1] || {});

   388     this.start(options);

   389   },

   390   setup: function() {

   391     // Bug in Opera: Opera returns the "real" position of a static element or

   392     // relative element that does not have top/left explicitly set.

   393     // ==> Always set top and left for position relative elements in your stylesheets 

   394     // (to 0 if you do not need them) 

   395     this.element.makePositioned();

   396     this.originalLeft = parseFloat(this.element.getStyle('left') || '0');

   397     this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');

   398     if(this.options.mode == 'absolute') {

   399       // absolute movement, so we need to calc deltaX and deltaY

   400       this.options.x = this.options.x - this.originalLeft;

   401       this.options.y = this.options.y - this.originalTop;

   402     }

   403   },

   404   update: function(position) {

   405     this.element.setStyle({

   406       left: Math.round(this.options.x  * position + this.originalLeft) + 'px',

   407       top:  Math.round(this.options.y  * position + this.originalTop)  + 'px'

   408     });

   409   }

   410 });

   411 

   412 // for backwards compatibility

   413 Effect.MoveBy = function(element, toTop, toLeft) {

   414   return new Effect.Move(element, 

   415     Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));

   416 };

   417 

   418 Effect.Scale = Class.create();

   419 Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {

   420   initialize: function(element, percent) {

   421     this.element = $(element);

   422     if(!this.element) throw(Effect._elementDoesNotExistError);

   423     var options = Object.extend({

   424       scaleX: true,

   425       scaleY: true,

   426       scaleContent: true,

   427       scaleFromCenter: false,

   428       scaleMode: 'box',        // 'box' or 'contents' or {} with provided values

   429       scaleFrom: 100.0,

   430       scaleTo:   percent

   431     }, arguments[2] || {});

   432     this.start(options);

   433   },

   434   setup: function() {

   435     this.restoreAfterFinish = this.options.restoreAfterFinish || false;

   436     this.elementPositioning = this.element.getStyle('position');

   437     

   438     this.originalStyle = {};

   439     ['top','left','width','height','fontSize'].each( function(k) {

   440       this.originalStyle[k] = this.element.style[k];

   441     }.bind(this));

   442       

   443     this.originalTop  = this.element.offsetTop;

   444     this.originalLeft = this.element.offsetLeft;

   445     

   446     var fontSize = this.element.getStyle('font-size') || '100%';

   447     ['em','px','%','pt'].each( function(fontSizeType) {

   448       if(fontSize.indexOf(fontSizeType)>0) {

   449         this.fontSize     = parseFloat(fontSize);

   450         this.fontSizeType = fontSizeType;

   451       }

   452     }.bind(this));

   453     

   454     this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

   455     

   456     this.dims = null;

   457     if(this.options.scaleMode=='box')

   458       this.dims = [this.element.offsetHeight, this.element.offsetWidth];

   459     if(/^content/.test(this.options.scaleMode))

   460       this.dims = [this.element.scrollHeight, this.element.scrollWidth];

   461     if(!this.dims)

   462       this.dims = [this.options.scaleMode.originalHeight,

   463                    this.options.scaleMode.originalWidth];

   464   },

   465   update: function(position) {

   466     var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);

   467     if(this.options.scaleContent && this.fontSize)

   468       this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });

   469     this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);

   470   },

   471   finish: function(position) {

   472     if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);

   473   },

   474   setDimensions: function(height, width) {

   475     var d = {};

   476     if(this.options.scaleX) d.width = Math.round(width) + 'px';

   477     if(this.options.scaleY) d.height = Math.round(height) + 'px';

   478     if(this.options.scaleFromCenter) {

   479       var topd  = (height - this.dims[0])/2;

   480       var leftd = (width  - this.dims[1])/2;

   481       if(this.elementPositioning == 'absolute') {

   482         if(this.options.scaleY) d.top = this.originalTop-topd + 'px';

   483         if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';

   484       } else {

   485         if(this.options.scaleY) d.top = -topd + 'px';

   486         if(this.options.scaleX) d.left = -leftd + 'px';

   487       }

   488     }

   489     this.element.setStyle(d);

   490   }

   491 });

   492 

   493 Effect.Highlight = Class.create();

   494 Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {

   495   initialize: function(element) {

   496     this.element = $(element);

   497     if(!this.element) throw(Effect._elementDoesNotExistError);

   498     var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});

   499     this.start(options);

   500   },

   501   setup: function() {

   502     // Prevent executing on elements not in the layout flow

   503     if(this.element.getStyle('display')=='none') { this.cancel(); return; }

   504     // Disable background image during the effect

   505     this.oldStyle = {

   506       backgroundImage: this.element.getStyle('background-image') };

   507     this.element.setStyle({backgroundImage: 'none'});

   508     if(!this.options.endcolor)

   509       this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');

   510     if(!this.options.restorecolor)

   511       this.options.restorecolor = this.element.getStyle('background-color');

   512     // init color calculations

   513     this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));

   514     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));

   515   },

   516   update: function(position) {

   517     this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){

   518       return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });

   519   },

   520   finish: function() {

   521     this.element.setStyle(Object.extend(this.oldStyle, {

   522       backgroundColor: this.options.restorecolor

   523     }));

   524   }

   525 });

   526 

   527 Effect.ScrollTo = Class.create();

   528 Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {

   529   initialize: function(element) {

   530     this.element = $(element);

   531     this.start(arguments[1] || {});

   532   },

   533   setup: function() {

   534     Position.prepare();

   535     var offsets = Position.cumulativeOffset(this.element);

   536     if(this.options.offset) offsets[1] += this.options.offset;

   537     var max = window.innerHeight ? 

   538       window.height - window.innerHeight :

   539       document.body.scrollHeight - 

   540         (document.documentElement.clientHeight ? 

   541           document.documentElement.clientHeight : document.body.clientHeight);

   542     this.scrollStart = Position.deltaY;

   543     this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;

   544   },

   545   update: function(position) {

   546     Position.prepare();

   547     window.scrollTo(Position.deltaX, 

   548       this.scrollStart + (position*this.delta));

   549   }

   550 });

   551 

   552 /* ------------- combination effects ------------- */

   553 

   554 Effect.Fade = function(element) {

   555   element = $(element);

   556   var oldOpacity = element.getInlineOpacity();

   557   var options = Object.extend({

   558   from: element.getOpacity() || 1.0,

   559   to:   0.0,

   560   afterFinishInternal: function(effect) { 

   561     if(effect.options.to!=0) return;

   562     effect.element.hide();

   563     effect.element.setStyle({opacity: oldOpacity}); 

   564   }}, arguments[1] || {});

   565   return new Effect.Opacity(element,options);

   566 }

   567 

   568 Effect.Appear = function(element) {

   569   element = $(element);

   570   var options = Object.extend({

   571   from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),

   572   to:   1.0,

   573   // force Safari to render floated elements properly

   574   afterFinishInternal: function(effect) {

   575     effect.element.forceRerendering();

   576   },

   577   beforeSetup: function(effect) {

   578     effect.element.setOpacity(effect.options.from);

   579     effect.element.show(); 

   580   }}, arguments[1] || {});

   581   return new Effect.Opacity(element,options);

   582 }

   583 

   584 Effect.Puff = function(element) {

   585   element = $(element);

   586   var oldStyle = { 

   587     opacity: element.getInlineOpacity(), 

   588     position: element.getStyle('position'),

   589     top:  element.style.top,

   590     left: element.style.left,

   591     width: element.style.width,

   592     height: element.style.height

   593   };

   594   return new Effect.Parallel(

   595    [ new Effect.Scale(element, 200, 

   596       { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 

   597      new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 

   598      Object.extend({ duration: 1.0, 

   599       beforeSetupInternal: function(effect) {

   600         Position.absolutize(effect.effects[0].element)

   601       },

   602       afterFinishInternal: function(effect) {

   603          effect.effects[0].element.hide();

   604          effect.effects[0].element.setStyle(oldStyle); }

   605      }, arguments[1] || {})

   606    );

   607 }

   608 

   609 Effect.BlindUp = function(element) {

   610   element = $(element);

   611   element.makeClipping();

   612   return new Effect.Scale(element, 0,

   613     Object.extend({ scaleContent: false, 

   614       scaleX: false, 

   615       restoreAfterFinish: true,

   616       afterFinishInternal: function(effect) {

   617         effect.element.hide();

   618         effect.element.undoClipping();

   619       } 

   620     }, arguments[1] || {})

   621   );

   622 }

   623 

   624 Effect.BlindDown = function(element) {

   625   element = $(element);

   626   var elementDimensions = element.getDimensions();

   627   return new Effect.Scale(element, 100, Object.extend({ 

   628     scaleContent: false, 

   629     scaleX: false,

   630     scaleFrom: 0,

   631     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},

   632     restoreAfterFinish: true,

   633     afterSetup: function(effect) {

   634       effect.element.makeClipping();

   635       effect.element.setStyle({height: '0px'});

   636       effect.element.show(); 

   637     },  

   638     afterFinishInternal: function(effect) {

   639       effect.element.undoClipping();

   640     }

   641   }, arguments[1] || {}));

   642 }

   643 

   644 Effect.SwitchOff = function(element) {

   645   element = $(element);

   646   var oldOpacity = element.getInlineOpacity();

   647   return new Effect.Appear(element, Object.extend({

   648     duration: 0.4,

   649     from: 0,

   650     transition: Effect.Transitions.flicker,

   651     afterFinishInternal: function(effect) {

   652       new Effect.Scale(effect.element, 1, { 

   653         duration: 0.3, scaleFromCenter: true,

   654         scaleX: false, scaleContent: false, restoreAfterFinish: true,

   655         beforeSetup: function(effect) { 

   656           effect.element.makePositioned();

   657           effect.element.makeClipping();

   658         },

   659         afterFinishInternal: function(effect) {

   660           effect.element.hide();

   661           effect.element.undoClipping();

   662           effect.element.undoPositioned();

   663           effect.element.setStyle({opacity: oldOpacity});

   664         }

   665       })

   666     }

   667   }, arguments[1] || {}));

   668 }

   669 

   670 Effect.DropOut = function(element) {

   671   element = $(element);

   672   var oldStyle = {

   673     top: element.getStyle('top'),

   674     left: element.getStyle('left'),

   675     opacity: element.getInlineOpacity() };

   676   return new Effect.Parallel(

   677     [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 

   678       new Effect.Opacity(element, { sync: true, to: 0.0 }) ],

   679     Object.extend(

   680       { duration: 0.5,

   681         beforeSetup: function(effect) {

   682           effect.effects[0].element.makePositioned(); 

   683         },

   684         afterFinishInternal: function(effect) {

   685           effect.effects[0].element.hide();

   686           effect.effects[0].element.undoPositioned();

   687           effect.effects[0].element.setStyle(oldStyle);

   688         } 

   689       }, arguments[1] || {}));

   690 }

   691 

   692 Effect.Shake = function(element) {

   693   element = $(element);

   694   var oldStyle = {

   695     top: element.getStyle('top'),

   696     left: element.getStyle('left') };

   697     return new Effect.Move(element, 

   698       { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {

   699     new Effect.Move(effect.element,

   700       { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

   701     new Effect.Move(effect.element,

   702       { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

   703     new Effect.Move(effect.element,

   704       { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

   705     new Effect.Move(effect.element,

   706       { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {

   707     new Effect.Move(effect.element,

   708       { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {

   709         effect.element.undoPositioned();

   710         effect.element.setStyle(oldStyle);

   711   }}) }}) }}) }}) }}) }});

   712 }

   713 

   714 Effect.SlideDown = function(element) {

   715   element = $(element);

   716   element.cleanWhitespace();

   717   // SlideDown need to have the content of the element wrapped in a container element with fixed height!

   718   var oldInnerBottom = $(element.firstChild).getStyle('bottom');

   719   var elementDimensions = element.getDimensions();

   720   return new Effect.Scale(element, 100, Object.extend({ 

   721     scaleContent: false, 

   722     scaleX: false, 

   723     scaleFrom: window.opera ? 0 : 1,

   724     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},

   725     restoreAfterFinish: true,

   726     afterSetup: function(effect) {

   727       effect.element.makePositioned();

   728       effect.element.firstChild.makePositioned();

   729       if(window.opera) effect.element.setStyle({top: ''});

   730       effect.element.makeClipping();

   731       effect.element.setStyle({height: '0px'});

   732       effect.element.show(); },

   733     afterUpdateInternal: function(effect) {

   734       effect.element.firstChild.setStyle({bottom:

   735         (effect.dims[0] - effect.element.clientHeight) + 'px' }); 

   736     },

   737     afterFinishInternal: function(effect) {

   738       effect.element.undoClipping(); 

   739       // IE will crash if child is undoPositioned first

   740       if(/MSIE/.test(navigator.userAgent) && !window.opera){

   741         effect.element.undoPositioned();

   742         effect.element.firstChild.undoPositioned();

   743       }else{

   744         effect.element.firstChild.undoPositioned();

   745         effect.element.undoPositioned();

   746       }

   747       effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }

   748     }, arguments[1] || {})

   749   );

   750 }

   751 

   752 Effect.SlideUp = function(element) {

   753   element = $(element);

   754   element.cleanWhitespace();

   755   var oldInnerBottom = $(element.firstChild).getStyle('bottom');

   756   return new Effect.Scale(element, window.opera ? 0 : 1,

   757    Object.extend({ scaleContent: false, 

   758     scaleX: false, 

   759     scaleMode: 'box',

   760     scaleFrom: 100,

   761     restoreAfterFinish: true,

   762     beforeStartInternal: function(effect) {

   763       effect.element.makePositioned();

   764       effect.element.firstChild.makePositioned();

   765       if(window.opera) effect.element.setStyle({top: ''});

   766       effect.element.makeClipping();

   767       effect.element.show(); },  

   768     afterUpdateInternal: function(effect) {

   769       effect.element.firstChild.setStyle({bottom:

   770         (effect.dims[0] - effect.element.clientHeight) + 'px' }); },

   771     afterFinishInternal: function(effect) {

   772       effect.element.hide();

   773       effect.element.undoClipping();

   774       effect.element.firstChild.undoPositioned();

   775       effect.element.undoPositioned();

   776       effect.element.setStyle({bottom: oldInnerBottom}); }

   777    }, arguments[1] || {})

   778   );

   779 }

   780 

   781 // Bug in opera makes the TD containing this element expand for a instance after finish 

   782 Effect.Squish = function(element) {

   783   return new Effect.Scale(element, window.opera ? 1 : 0, 

   784     { restoreAfterFinish: true,

   785       beforeSetup: function(effect) {

   786         effect.element.makeClipping(effect.element); },  

   787       afterFinishInternal: function(effect) {

   788         effect.element.hide(effect.element); 

   789         effect.element.undoClipping(effect.element); }

   790   });

   791 }

   792 

   793 Effect.Grow = function(element) {

   794   element = $(element);

   795   var options = Object.extend({

   796     direction: 'center',

   797     moveTransition: Effect.Transitions.sinoidal,

   798     scaleTransition: Effect.Transitions.sinoidal,

   799     opacityTransition: Effect.Transitions.full

   800   }, arguments[1] || {});

   801   var oldStyle = {

   802     top: element.style.top,

   803     left: element.style.left,

   804     height: element.style.height,

   805     width: element.style.width,

   806     opacity: element.getInlineOpacity() };

   807 

   808   var dims = element.getDimensions();    

   809   var initialMoveX, initialMoveY;

   810   var moveX, moveY;

   811   

   812   switch (options.direction) {

   813     case 'top-left':

   814       initialMoveX = initialMoveY = moveX = moveY = 0; 

   815       break;

   816     case 'top-right':

   817       initialMoveX = dims.width;

   818       initialMoveY = moveY = 0;

   819       moveX = -dims.width;

   820       break;

   821     case 'bottom-left':

   822       initialMoveX = moveX = 0;

   823       initialMoveY = dims.height;

   824       moveY = -dims.height;

   825       break;

   826     case 'bottom-right':

   827       initialMoveX = dims.width;

   828       initialMoveY = dims.height;

   829       moveX = -dims.width;

   830       moveY = -dims.height;

   831       break;

   832     case 'center':

   833       initialMoveX = dims.width / 2;

   834       initialMoveY = dims.height / 2;

   835       moveX = -dims.width / 2;

   836       moveY = -dims.height / 2;

   837       break;

   838   }

   839   

   840   return new Effect.Move(element, {

   841     x: initialMoveX,

   842     y: initialMoveY,

   843     duration: 0.01, 

   844     beforeSetup: function(effect) {

   845       effect.element.hide();

   846       effect.element.makeClipping();

   847       effect.element.makePositioned();

   848     },

   849     afterFinishInternal: function(effect) {

   850       new Effect.Parallel(

   851         [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),

   852           new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),

   853           new Effect.Scale(effect.element, 100, {

   854             scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 

   855             sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})

   856         ], Object.extend({

   857              beforeSetup: function(effect) {

   858                effect.effects[0].element.setStyle({height: '0px'});

   859                effect.effects[0].element.show(); 

   860              },

   861              afterFinishInternal: function(effect) {

   862                effect.effects[0].element.undoClipping();

   863                effect.effects[0].element.undoPositioned();

   864                effect.effects[0].element.setStyle(oldStyle); 

   865              }

   866            }, options)

   867       )

   868     }

   869   });

   870 }

   871 

   872 Effect.Shrink = function(element) {

   873   element = $(element);

   874   var options = Object.extend({

   875     direction: 'center',

   876     moveTransition: Effect.Transitions.sinoidal,

   877     scaleTransition: Effect.Transitions.sinoidal,

   878     opacityTransition: Effect.Transitions.none

   879   }, arguments[1] || {});

   880   var oldStyle = {

   881     top: element.style.top,

   882     left: element.style.left,

   883     height: element.style.height,

   884     width: element.style.width,

   885     opacity: element.getInlineOpacity() };

   886 

   887   var dims = element.getDimensions();

   888   var moveX, moveY;

   889   

   890   switch (options.direction) {

   891     case 'top-left':

   892       moveX = moveY = 0;

   893       break;

   894     case 'top-right':

   895       moveX = dims.width;

   896       moveY = 0;

   897       break;

   898     case 'bottom-left':

   899       moveX = 0;

   900       moveY = dims.height;

   901       break;

   902     case 'bottom-right':

   903       moveX = dims.width;

   904       moveY = dims.height;

   905       break;

   906     case 'center':  

   907       moveX = dims.width / 2;

   908       moveY = dims.height / 2;

   909       break;

   910   }

   911   

   912   return new Effect.Parallel(

   913     [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),

   914       new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),

   915       new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })

   916     ], Object.extend({            

   917          beforeStartInternal: function(effect) {

   918            effect.effects[0].element.makePositioned();

   919            effect.effects[0].element.makeClipping(); },

   920          afterFinishInternal: function(effect) {

   921            effect.effects[0].element.hide();

   922            effect.effects[0].element.undoClipping();

   923            effect.effects[0].element.undoPositioned();

   924            effect.effects[0].element.setStyle(oldStyle); }

   925        }, options)

   926   );

   927 }

   928 

   929 Effect.Pulsate = function(element) {

   930   element = $(element);

   931   var options    = arguments[1] || {};

   932   var oldOpacity = element.getInlineOpacity();

   933   var transition = options.transition || Effect.Transitions.sinoidal;

   934   var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };

   935   reverser.bind(transition);

   936   return new Effect.Opacity(element, 

   937     Object.extend(Object.extend({  duration: 3.0, from: 0,

   938       afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }

   939     }, options), {transition: reverser}));

   940 }

   941 

   942 Effect.Fold = function(element) {

   943   element = $(element);

   944   var oldStyle = {

   945     top: element.style.top,

   946     left: element.style.left,

   947     width: element.style.width,

   948     height: element.style.height };

   949   Element.makeClipping(element);

   950   return new Effect.Scale(element, 5, Object.extend({   

   951     scaleContent: false,

   952     scaleX: false,

   953     afterFinishInternal: function(effect) {

   954     new Effect.Scale(element, 1, { 

   955       scaleContent: false, 

   956       scaleY: false,

   957       afterFinishInternal: function(effect) {

   958         effect.element.hide();

   959         effect.element.undoClipping(); 

   960         effect.element.setStyle(oldStyle);

   961       } });

   962   }}, arguments[1] || {}));

   963 };

   964 

   965 ['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',

   966  'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( 

   967   function(f) { Element.Methods[f] = Element[f]; }

   968 );

   969 

   970 Element.Methods.visualEffect = function(element, effect, options) {

   971   s = effect.gsub(/_/, '-').camelize();

   972   effect_class = s.charAt(0).toUpperCase() + s.substring(1);

   973   new Effect[effect_class](element, options);

   974   return $(element);

   975 };

   976 

   977 Element.addMethods();