/lib/effects.js
JavaScript | 1122 lines | 1016 code | 81 blank | 25 comment | 155 complexity | 3b4efe6405d4fb1ada4a081f4dbef6a9 MD5 | raw file
1// script.aculo.us effects.js v1.8.1, Thu Jan 03 22:07:12 -0500 2008 2 3// Copyright (c) 2005-2007 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// script.aculo.us is freely distributable under the terms of an MIT-style license. 10// For details, see the script.aculo.us web site: http://script.aculo.us/ 11 12// converts rgb() and #xxx to #xxxxxx format, 13// returns self (or first argument) if not convertable 14String.prototype.parseColor = function() { 15 var color = '#'; 16 if (this.slice(0,4) == 'rgb(') { 17 var cols = this.slice(4,this.length-1).split(','); 18 var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3); 19 } else { 20 if (this.slice(0,1) == '#') { 21 if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase(); 22 if (this.length==7) color = this.toLowerCase(); 23 } 24 } 25 return (color.length==7 ? color : (arguments[0] || this)); 26}; 27 28/*--------------------------------------------------------------------------*/ 29 30Element.collectTextNodes = function(element) { 31 return $A($(element).childNodes).collect( function(node) { 32 return (node.nodeType==3 ? node.nodeValue : 33 (node.hasChildNodes() ? Element.collectTextNodes(node) : '')); 34 }).flatten().join(''); 35}; 36 37Element.collectTextNodesIgnoreClass = function(element, className) { 38 return $A($(element).childNodes).collect( function(node) { 39 return (node.nodeType==3 ? node.nodeValue : 40 ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 41 Element.collectTextNodesIgnoreClass(node, className) : '')); 42 }).flatten().join(''); 43}; 44 45Element.setContentZoom = function(element, percent) { 46 element = $(element); 47 element.setStyle({fontSize: (percent/100) + 'em'}); 48 if (Prototype.Browser.WebKit) window.scrollBy(0,0); 49 return element; 50}; 51 52Element.getInlineOpacity = function(element){ 53 return $(element).style.opacity || ''; 54}; 55 56Element.forceRerendering = function(element) { 57 try { 58 element = $(element); 59 var n = document.createTextNode(' '); 60 element.appendChild(n); 61 element.removeChild(n); 62 } catch(e) { } 63}; 64 65/*--------------------------------------------------------------------------*/ 66 67var Effect = { 68 _elementDoesNotExistError: { 69 name: 'ElementDoesNotExistError', 70 message: 'The specified DOM element does not exist, but is required for this effect to operate' 71 }, 72 Transitions: { 73 linear: Prototype.K, 74 sinoidal: function(pos) { 75 return (-Math.cos(pos*Math.PI)/2) + 0.5; 76 }, 77 reverse: function(pos) { 78 return 1-pos; 79 }, 80 flicker: function(pos) { 81 var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4; 82 return pos > 1 ? 1 : pos; 83 }, 84 wobble: function(pos) { 85 return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5; 86 }, 87 pulse: function(pos, pulses) { 88 pulses = pulses || 5; 89 return ( 90 ((pos % (1/pulses)) * pulses).round() == 0 ? 91 ((pos * pulses * 2) - (pos * pulses * 2).floor()) : 92 1 - ((pos * pulses * 2) - (pos * pulses * 2).floor()) 93 ); 94 }, 95 spring: function(pos) { 96 return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 97 }, 98 none: function(pos) { 99 return 0; 100 }, 101 full: function(pos) { 102 return 1; 103 } 104 }, 105 DefaultOptions: { 106 duration: 1.0, // seconds 107 fps: 100, // 100= assume 66fps max. 108 sync: false, // true for combining 109 from: 0.0, 110 to: 1.0, 111 delay: 0.0, 112 queue: 'parallel' 113 }, 114 tagifyText: function(element) { 115 var tagifyStyle = 'position:relative'; 116 if (Prototype.Browser.IE) tagifyStyle += ';zoom:1'; 117 118 element = $(element); 119 $A(element.childNodes).each( function(child) { 120 if (child.nodeType==3) { 121 child.nodeValue.toArray().each( function(character) { 122 element.insertBefore( 123 new Element('span', {style: tagifyStyle}).update( 124 character == ' ' ? String.fromCharCode(160) : character), 125 child); 126 }); 127 Element.remove(child); 128 } 129 }); 130 }, 131 multiple: function(element, effect) { 132 var elements; 133 if (((typeof element == 'object') || 134 Object.isFunction(element)) && 135 (element.length)) 136 elements = element; 137 else 138 elements = $(element).childNodes; 139 140 var options = Object.extend({ 141 speed: 0.1, 142 delay: 0.0 143 }, arguments[2] || { }); 144 var masterDelay = options.delay; 145 146 $A(elements).each( function(element, index) { 147 new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay })); 148 }); 149 }, 150 PAIRS: { 151 'slide': ['SlideDown','SlideUp'], 152 'blind': ['BlindDown','BlindUp'], 153 'appear': ['Appear','Fade'] 154 }, 155 toggle: function(element, effect) { 156 element = $(element); 157 effect = (effect || 'appear').toLowerCase(); 158 var options = Object.extend({ 159 queue: { position:'end', scope:(element.id || 'global'), limit: 1 } 160 }, arguments[2] || { }); 161 Effect[element.visible() ? 162 Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options); 163 } 164}; 165 166Effect.DefaultOptions.transition = Effect.Transitions.sinoidal; 167 168/* ------------- core effects ------------- */ 169 170Effect.ScopedQueue = Class.create(Enumerable, { 171 initialize: function() { 172 this.effects = []; 173 this.interval = null; 174 }, 175 _each: function(iterator) { 176 this.effects._each(iterator); 177 }, 178 add: function(effect) { 179 var timestamp = new Date().getTime(); 180 181 var position = Object.isString(effect.options.queue) ? 182 effect.options.queue : effect.options.queue.position; 183 184 switch(position) { 185 case 'front': 186 // move unstarted effects after this effect 187 this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) { 188 e.startOn += effect.finishOn; 189 e.finishOn += effect.finishOn; 190 }); 191 break; 192 case 'with-last': 193 timestamp = this.effects.pluck('startOn').max() || timestamp; 194 break; 195 case 'end': 196 // start effect after last queued effect has finished 197 timestamp = this.effects.pluck('finishOn').max() || timestamp; 198 break; 199 } 200 201 effect.startOn += timestamp; 202 effect.finishOn += timestamp; 203 204 if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit)) 205 this.effects.push(effect); 206 207 if (!this.interval) 208 this.interval = setInterval(this.loop.bind(this), 15); 209 }, 210 remove: function(effect) { 211 this.effects = this.effects.reject(function(e) { return e==effect }); 212 if (this.effects.length == 0) { 213 clearInterval(this.interval); 214 this.interval = null; 215 } 216 }, 217 loop: function() { 218 var timePos = new Date().getTime(); 219 for(var i=0, len=this.effects.length;i<len;i++) 220 this.effects[i] && this.effects[i].loop(timePos); 221 } 222}); 223 224Effect.Queues = { 225 instances: $H(), 226 get: function(queueName) { 227 if (!Object.isString(queueName)) return queueName; 228 229 return this.instances.get(queueName) || 230 this.instances.set(queueName, new Effect.ScopedQueue()); 231 } 232}; 233Effect.Queue = Effect.Queues.get('global'); 234 235Effect.Base = Class.create({ 236 position: null, 237 start: function(options) { 238 function codeForEvent(options,eventName){ 239 return ( 240 (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') + 241 (options[eventName] ? 'this.options.'+eventName+'(this);' : '') 242 ); 243 } 244 if (options && options.transition === false) options.transition = Effect.Transitions.linear; 245 this.options = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { }); 246 this.currentFrame = 0; 247 this.state = 'idle'; 248 this.startOn = this.options.delay*1000; 249 this.finishOn = this.startOn+(this.options.duration*1000); 250 this.fromToDelta = this.options.to-this.options.from; 251 this.totalTime = this.finishOn-this.startOn; 252 this.totalFrames = this.options.fps*this.options.duration; 253 254 eval('this.render = function(pos){ '+ 255 'if (this.state=="idle"){this.state="running";'+ 256 codeForEvent(this.options,'beforeSetup')+ 257 (this.setup ? 'this.setup();':'')+ 258 codeForEvent(this.options,'afterSetup')+ 259 '};if (this.state=="running"){'+ 260 'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+ 261 'this.position=pos;'+ 262 codeForEvent(this.options,'beforeUpdate')+ 263 (this.update ? 'this.update(pos);':'')+ 264 codeForEvent(this.options,'afterUpdate')+ 265 '}}'); 266 267 this.event('beforeStart'); 268 if (!this.options.sync) 269 Effect.Queues.get(Object.isString(this.options.queue) ? 270 'global' : this.options.queue.scope).add(this); 271 }, 272 loop: function(timePos) { 273 if (timePos >= this.startOn) { 274 if (timePos >= this.finishOn) { 275 this.render(1.0); 276 this.cancel(); 277 this.event('beforeFinish'); 278 if (this.finish) this.finish(); 279 this.event('afterFinish'); 280 return; 281 } 282 var pos = (timePos - this.startOn) / this.totalTime, 283 frame = (pos * this.totalFrames).round(); 284 if (frame > this.currentFrame) { 285 this.render(pos); 286 this.currentFrame = frame; 287 } 288 } 289 }, 290 cancel: function() { 291 if (!this.options.sync) 292 Effect.Queues.get(Object.isString(this.options.queue) ? 293 'global' : this.options.queue.scope).remove(this); 294 this.state = 'finished'; 295 }, 296 event: function(eventName) { 297 if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this); 298 if (this.options[eventName]) this.options[eventName](this); 299 }, 300 inspect: function() { 301 var data = $H(); 302 for(property in this) 303 if (!Object.isFunction(this[property])) data.set(property, this[property]); 304 return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>'; 305 } 306}); 307 308Effect.Parallel = Class.create(Effect.Base, { 309 initialize: function(effects) { 310 this.effects = effects || []; 311 this.start(arguments[1]); 312 }, 313 update: function(position) { 314 this.effects.invoke('render', position); 315 }, 316 finish: function(position) { 317 this.effects.each( function(effect) { 318 effect.render(1.0); 319 effect.cancel(); 320 effect.event('beforeFinish'); 321 if (effect.finish) effect.finish(position); 322 effect.event('afterFinish'); 323 }); 324 } 325}); 326 327Effect.Tween = Class.create(Effect.Base, { 328 initialize: function(object, from, to) { 329 object = Object.isString(object) ? $(object) : object; 330 var args = $A(arguments), method = args.last(), 331 options = args.length == 5 ? args[3] : null; 332 this.method = Object.isFunction(method) ? method.bind(object) : 333 Object.isFunction(object[method]) ? object[method].bind(object) : 334 function(value) { object[method] = value }; 335 this.start(Object.extend({ from: from, to: to }, options || { })); 336 }, 337 update: function(position) { 338 this.method(position); 339 } 340}); 341 342Effect.Event = Class.create(Effect.Base, { 343 initialize: function() { 344 this.start(Object.extend({ duration: 0 }, arguments[0] || { })); 345 }, 346 update: Prototype.emptyFunction 347}); 348 349Effect.Opacity = Class.create(Effect.Base, { 350 initialize: function(element) { 351 this.element = $(element); 352 if (!this.element) throw(Effect._elementDoesNotExistError); 353 // make this work on IE on elements without 'layout' 354 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout)) 355 this.element.setStyle({zoom: 1}); 356 var options = Object.extend({ 357 from: this.element.getOpacity() || 0.0, 358 to: 1.0 359 }, arguments[1] || { }); 360 this.start(options); 361 }, 362 update: function(position) { 363 this.element.setOpacity(position); 364 } 365}); 366 367Effect.Move = Class.create(Effect.Base, { 368 initialize: function(element) { 369 this.element = $(element); 370 if (!this.element) throw(Effect._elementDoesNotExistError); 371 var options = Object.extend({ 372 x: 0, 373 y: 0, 374 mode: 'relative' 375 }, arguments[1] || { }); 376 this.start(options); 377 }, 378 setup: function() { 379 this.element.makePositioned(); 380 this.originalLeft = parseFloat(this.element.getStyle('left') || '0'); 381 this.originalTop = parseFloat(this.element.getStyle('top') || '0'); 382 if (this.options.mode == 'absolute') { 383 this.options.x = this.options.x - this.originalLeft; 384 this.options.y = this.options.y - this.originalTop; 385 } 386 }, 387 update: function(position) { 388 this.element.setStyle({ 389 left: (this.options.x * position + this.originalLeft).round() + 'px', 390 top: (this.options.y * position + this.originalTop).round() + 'px' 391 }); 392 } 393}); 394 395// for backwards compatibility 396Effect.MoveBy = function(element, toTop, toLeft) { 397 return new Effect.Move(element, 398 Object.extend({ x: toLeft, y: toTop }, arguments[3] || { })); 399}; 400 401Effect.Scale = Class.create(Effect.Base, { 402 initialize: function(element, percent) { 403 this.element = $(element); 404 if (!this.element) throw(Effect._elementDoesNotExistError); 405 var options = Object.extend({ 406 scaleX: true, 407 scaleY: true, 408 scaleContent: true, 409 scaleFromCenter: false, 410 scaleMode: 'box', // 'box' or 'contents' or { } with provided values 411 scaleFrom: 100.0, 412 scaleTo: percent 413 }, arguments[2] || { }); 414 this.start(options); 415 }, 416 setup: function() { 417 this.restoreAfterFinish = this.options.restoreAfterFinish || false; 418 this.elementPositioning = this.element.getStyle('position'); 419 420 this.originalStyle = { }; 421 ['top','left','width','height','fontSize'].each( function(k) { 422 this.originalStyle[k] = this.element.style[k]; 423 }.bind(this)); 424 425 this.originalTop = this.element.offsetTop; 426 this.originalLeft = this.element.offsetLeft; 427 428 var fontSize = this.element.getStyle('font-size') || '100%'; 429 ['em','px','%','pt'].each( function(fontSizeType) { 430 if (fontSize.indexOf(fontSizeType)>0) { 431 this.fontSize = parseFloat(fontSize); 432 this.fontSizeType = fontSizeType; 433 } 434 }.bind(this)); 435 436 this.factor = (this.options.scaleTo - this.options.scaleFrom)/100; 437 438 this.dims = null; 439 if (this.options.scaleMode=='box') 440 this.dims = [this.element.offsetHeight, this.element.offsetWidth]; 441 if (/^content/.test(this.options.scaleMode)) 442 this.dims = [this.element.scrollHeight, this.element.scrollWidth]; 443 if (!this.dims) 444 this.dims = [this.options.scaleMode.originalHeight, 445 this.options.scaleMode.originalWidth]; 446 }, 447 update: function(position) { 448 var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position); 449 if (this.options.scaleContent && this.fontSize) 450 this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType }); 451 this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale); 452 }, 453 finish: function(position) { 454 if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle); 455 }, 456 setDimensions: function(height, width) { 457 var d = { }; 458 if (this.options.scaleX) d.width = width.round() + 'px'; 459 if (this.options.scaleY) d.height = height.round() + 'px'; 460 if (this.options.scaleFromCenter) { 461 var topd = (height - this.dims[0])/2; 462 var leftd = (width - this.dims[1])/2; 463 if (this.elementPositioning == 'absolute') { 464 if (this.options.scaleY) d.top = this.originalTop-topd + 'px'; 465 if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px'; 466 } else { 467 if (this.options.scaleY) d.top = -topd + 'px'; 468 if (this.options.scaleX) d.left = -leftd + 'px'; 469 } 470 } 471 this.element.setStyle(d); 472 } 473}); 474 475Effect.Highlight = Class.create(Effect.Base, { 476 initialize: function(element) { 477 this.element = $(element); 478 if (!this.element) throw(Effect._elementDoesNotExistError); 479 var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { }); 480 this.start(options); 481 }, 482 setup: function() { 483 // Prevent executing on elements not in the layout flow 484 if (this.element.getStyle('display')=='none') { this.cancel(); return; } 485 // Disable background image during the effect 486 this.oldStyle = { }; 487 if (!this.options.keepBackgroundImage) { 488 this.oldStyle.backgroundImage = this.element.getStyle('background-image'); 489 this.element.setStyle({backgroundImage: 'none'}); 490 } 491 if (!this.options.endcolor) 492 this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff'); 493 if (!this.options.restorecolor) 494 this.options.restorecolor = this.element.getStyle('background-color'); 495 // init color calculations 496 this._base = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this)); 497 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)); 498 }, 499 update: function(position) { 500 this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){ 501 return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) }); 502 }, 503 finish: function() { 504 this.element.setStyle(Object.extend(this.oldStyle, { 505 backgroundColor: this.options.restorecolor 506 })); 507 } 508}); 509 510Effect.ScrollTo = function(element) { 511 var options = arguments[1] || { }, 512 scrollOffsets = document.viewport.getScrollOffsets(), 513 elementOffsets = $(element).cumulativeOffset(), 514 max = (window.height || document.body.scrollHeight) - document.viewport.getHeight(); 515 516 if (options.offset) elementOffsets[1] += options.offset; 517 518 return new Effect.Tween(null, 519 scrollOffsets.top, 520 elementOffsets[1] > max ? max : elementOffsets[1], 521 options, 522 function(p){ scrollTo(scrollOffsets.left, p.round()) } 523 ); 524}; 525 526/* ------------- combination effects ------------- */ 527 528Effect.Fade = function(element) { 529 element = $(element); 530 var oldOpacity = element.getInlineOpacity(); 531 var options = Object.extend({ 532 from: element.getOpacity() || 1.0, 533 to: 0.0, 534 afterFinishInternal: function(effect) { 535 if (effect.options.to!=0) return; 536 effect.element.hide().setStyle({opacity: oldOpacity}); 537 } 538 }, arguments[1] || { }); 539 return new Effect.Opacity(element,options); 540}; 541 542Effect.Appear = function(element) { 543 element = $(element); 544 var options = Object.extend({ 545 from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0), 546 to: 1.0, 547 // force Safari to render floated elements properly 548 afterFinishInternal: function(effect) { 549 effect.element.forceRerendering(); 550 }, 551 beforeSetup: function(effect) { 552 effect.element.setOpacity(effect.options.from).show(); 553 }}, arguments[1] || { }); 554 return new Effect.Opacity(element,options); 555}; 556 557Effect.Puff = function(element) { 558 element = $(element); 559 var oldStyle = { 560 opacity: element.getInlineOpacity(), 561 position: element.getStyle('position'), 562 top: element.style.top, 563 left: element.style.left, 564 width: element.style.width, 565 height: element.style.height 566 }; 567 return new Effect.Parallel( 568 [ new Effect.Scale(element, 200, 569 { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 570 new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 571 Object.extend({ duration: 1.0, 572 beforeSetupInternal: function(effect) { 573 Position.absolutize(effect.effects[0].element) 574 }, 575 afterFinishInternal: function(effect) { 576 effect.effects[0].element.hide().setStyle(oldStyle); } 577 }, arguments[1] || { }) 578 ); 579}; 580 581Effect.BlindUp = function(element) { 582 element = $(element); 583 element.makeClipping(); 584 return new Effect.Scale(element, 0, 585 Object.extend({ scaleContent: false, 586 scaleX: false, 587 restoreAfterFinish: true, 588 afterFinishInternal: function(effect) { 589 effect.element.hide().undoClipping(); 590 } 591 }, arguments[1] || { }) 592 ); 593}; 594 595Effect.BlindDown = function(element) { 596 element = $(element); 597 var elementDimensions = element.getDimensions(); 598 return new Effect.Scale(element, 100, Object.extend({ 599 scaleContent: false, 600 scaleX: false, 601 scaleFrom: 0, 602 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, 603 restoreAfterFinish: true, 604 afterSetup: function(effect) { 605 effect.element.makeClipping().setStyle({height: '0px'}).show(); 606 }, 607 afterFinishInternal: function(effect) { 608 effect.element.undoClipping(); 609 } 610 }, arguments[1] || { })); 611}; 612 613Effect.SwitchOff = function(element) { 614 element = $(element); 615 var oldOpacity = element.getInlineOpacity(); 616 return new Effect.Appear(element, Object.extend({ 617 duration: 0.4, 618 from: 0, 619 transition: Effect.Transitions.flicker, 620 afterFinishInternal: function(effect) { 621 new Effect.Scale(effect.element, 1, { 622 duration: 0.3, scaleFromCenter: true, 623 scaleX: false, scaleContent: false, restoreAfterFinish: true, 624 beforeSetup: function(effect) { 625 effect.element.makePositioned().makeClipping(); 626 }, 627 afterFinishInternal: function(effect) { 628 effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity}); 629 } 630 }) 631 } 632 }, arguments[1] || { })); 633}; 634 635Effect.DropOut = function(element) { 636 element = $(element); 637 var oldStyle = { 638 top: element.getStyle('top'), 639 left: element.getStyle('left'), 640 opacity: element.getInlineOpacity() }; 641 return new Effect.Parallel( 642 [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 643 new Effect.Opacity(element, { sync: true, to: 0.0 }) ], 644 Object.extend( 645 { duration: 0.5, 646 beforeSetup: function(effect) { 647 effect.effects[0].element.makePositioned(); 648 }, 649 afterFinishInternal: function(effect) { 650 effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle); 651 } 652 }, arguments[1] || { })); 653}; 654 655Effect.Shake = function(element) { 656 element = $(element); 657 var options = Object.extend({ 658 distance: 20, 659 duration: 0.5 660 }, arguments[1] || {}); 661 var distance = parseFloat(options.distance); 662 var split = parseFloat(options.duration) / 10.0; 663 var oldStyle = { 664 top: element.getStyle('top'), 665 left: element.getStyle('left') }; 666 return new Effect.Move(element, 667 { x: distance, y: 0, duration: split, afterFinishInternal: function(effect) { 668 new Effect.Move(effect.element, 669 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { 670 new Effect.Move(effect.element, 671 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { 672 new Effect.Move(effect.element, 673 { x: -distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { 674 new Effect.Move(effect.element, 675 { x: distance*2, y: 0, duration: split*2, afterFinishInternal: function(effect) { 676 new Effect.Move(effect.element, 677 { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) { 678 effect.element.undoPositioned().setStyle(oldStyle); 679 }}) }}) }}) }}) }}) }}); 680}; 681 682Effect.SlideDown = function(element) { 683 element = $(element).cleanWhitespace(); 684 // SlideDown need to have the content of the element wrapped in a container element with fixed height! 685 var oldInnerBottom = element.down().getStyle('bottom'); 686 var elementDimensions = element.getDimensions(); 687 return new Effect.Scale(element, 100, Object.extend({ 688 scaleContent: false, 689 scaleX: false, 690 scaleFrom: window.opera ? 0 : 1, 691 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, 692 restoreAfterFinish: true, 693 afterSetup: function(effect) { 694 effect.element.makePositioned(); 695 effect.element.down().makePositioned(); 696 if (window.opera) effect.element.setStyle({top: ''}); 697 effect.element.makeClipping().setStyle({height: '0px'}).show(); 698 }, 699 afterUpdateInternal: function(effect) { 700 effect.element.down().setStyle({bottom: 701 (effect.dims[0] - effect.element.clientHeight) + 'px' }); 702 }, 703 afterFinishInternal: function(effect) { 704 effect.element.undoClipping().undoPositioned(); 705 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); } 706 }, arguments[1] || { }) 707 ); 708}; 709 710Effect.SlideUp = function(element) { 711 element = $(element).cleanWhitespace(); 712 var oldInnerBottom = element.down().getStyle('bottom'); 713 var elementDimensions = element.getDimensions(); 714 return new Effect.Scale(element, window.opera ? 0 : 1, 715 Object.extend({ scaleContent: false, 716 scaleX: false, 717 scaleMode: 'box', 718 scaleFrom: 100, 719 scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width}, 720 restoreAfterFinish: true, 721 afterSetup: function(effect) { 722 effect.element.makePositioned(); 723 effect.element.down().makePositioned(); 724 if (window.opera) effect.element.setStyle({top: ''}); 725 effect.element.makeClipping().show(); 726 }, 727 afterUpdateInternal: function(effect) { 728 effect.element.down().setStyle({bottom: 729 (effect.dims[0] - effect.element.clientHeight) + 'px' }); 730 }, 731 afterFinishInternal: function(effect) { 732 effect.element.hide().undoClipping().undoPositioned(); 733 effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); 734 } 735 }, arguments[1] || { }) 736 ); 737}; 738 739// Bug in opera makes the TD containing this element expand for a instance after finish 740Effect.Squish = function(element) { 741 return new Effect.Scale(element, window.opera ? 1 : 0, { 742 restoreAfterFinish: true, 743 beforeSetup: function(effect) { 744 effect.element.makeClipping(); 745 }, 746 afterFinishInternal: function(effect) { 747 effect.element.hide().undoClipping(); 748 } 749 }); 750}; 751 752Effect.Grow = function(element) { 753 element = $(element); 754 var options = Object.extend({ 755 direction: 'center', 756 moveTransition: Effect.Transitions.sinoidal, 757 scaleTransition: Effect.Transitions.sinoidal, 758 opacityTransition: Effect.Transitions.full 759 }, arguments[1] || { }); 760 var oldStyle = { 761 top: element.style.top, 762 left: element.style.left, 763 height: element.style.height, 764 width: element.style.width, 765 opacity: element.getInlineOpacity() }; 766 767 var dims = element.getDimensions(); 768 var initialMoveX, initialMoveY; 769 var moveX, moveY; 770 771 switch (options.direction) { 772 case 'top-left': 773 initialMoveX = initialMoveY = moveX = moveY = 0; 774 break; 775 case 'top-right': 776 initialMoveX = dims.width; 777 initialMoveY = moveY = 0; 778 moveX = -dims.width; 779 break; 780 case 'bottom-left': 781 initialMoveX = moveX = 0; 782 initialMoveY = dims.height; 783 moveY = -dims.height; 784 break; 785 case 'bottom-right': 786 initialMoveX = dims.width; 787 initialMoveY = dims.height; 788 moveX = -dims.width; 789 moveY = -dims.height; 790 break; 791 case 'center': 792 initialMoveX = dims.width / 2; 793 initialMoveY = dims.height / 2; 794 moveX = -dims.width / 2; 795 moveY = -dims.height / 2; 796 break; 797 } 798 799 return new Effect.Move(element, { 800 x: initialMoveX, 801 y: initialMoveY, 802 duration: 0.01, 803 beforeSetup: function(effect) { 804 effect.element.hide().makeClipping().makePositioned(); 805 }, 806 afterFinishInternal: function(effect) { 807 new Effect.Parallel( 808 [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }), 809 new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }), 810 new Effect.Scale(effect.element, 100, { 811 scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 812 sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true}) 813 ], Object.extend({ 814 beforeSetup: function(effect) { 815 effect.effects[0].element.setStyle({height: '0px'}).show(); 816 }, 817 afterFinishInternal: function(effect) { 818 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 819 } 820 }, options) 821 ) 822 } 823 }); 824}; 825 826Effect.Shrink = function(element) { 827 element = $(element); 828 var options = Object.extend({ 829 direction: 'center', 830 moveTransition: Effect.Transitions.sinoidal, 831 scaleTransition: Effect.Transitions.sinoidal, 832 opacityTransition: Effect.Transitions.none 833 }, arguments[1] || { }); 834 var oldStyle = { 835 top: element.style.top, 836 left: element.style.left, 837 height: element.style.height, 838 width: element.style.width, 839 opacity: element.getInlineOpacity() }; 840 841 var dims = element.getDimensions(); 842 var moveX, moveY; 843 844 switch (options.direction) { 845 case 'top-left': 846 moveX = moveY = 0; 847 break; 848 case 'top-right': 849 moveX = dims.width; 850 moveY = 0; 851 break; 852 case 'bottom-left': 853 moveX = 0; 854 moveY = dims.height; 855 break; 856 case 'bottom-right': 857 moveX = dims.width; 858 moveY = dims.height; 859 break; 860 case 'center': 861 moveX = dims.width / 2; 862 moveY = dims.height / 2; 863 break; 864 } 865 866 return new Effect.Parallel( 867 [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }), 868 new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}), 869 new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }) 870 ], Object.extend({ 871 beforeStartInternal: function(effect) { 872 effect.effects[0].element.makePositioned().makeClipping(); 873 }, 874 afterFinishInternal: function(effect) { 875 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); } 876 }, options) 877 ); 878}; 879 880Effect.Pulsate = function(element) { 881 element = $(element); 882 var options = arguments[1] || { }; 883 var oldOpacity = element.getInlineOpacity(); 884 var transition = options.transition || Effect.Transitions.sinoidal; 885 var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) }; 886 reverser.bind(transition); 887 return new Effect.Opacity(element, 888 Object.extend(Object.extend({ duration: 2.0, from: 0, 889 afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); } 890 }, options), {transition: reverser})); 891}; 892 893Effect.Fold = function(element) { 894 element = $(element); 895 var oldStyle = { 896 top: element.style.top, 897 left: element.style.left, 898 width: element.style.width, 899 height: element.style.height }; 900 element.makeClipping(); 901 return new Effect.Scale(element, 5, Object.extend({ 902 scaleContent: false, 903 scaleX: false, 904 afterFinishInternal: function(effect) { 905 new Effect.Scale(element, 1, { 906 scaleContent: false, 907 scaleY: false, 908 afterFinishInternal: function(effect) { 909 effect.element.hide().undoClipping().setStyle(oldStyle); 910 } }); 911 }}, arguments[1] || { })); 912}; 913 914Effect.Morph = Class.create(Effect.Base, { 915 initialize: function(element) { 916 this.element = $(element); 917 if (!this.element) throw(Effect._elementDoesNotExistError); 918 var options = Object.extend({ 919 style: { } 920 }, arguments[1] || { }); 921 922 if (!Object.isString(options.style)) this.style = $H(options.style); 923 else { 924 if (options.style.include(':')) 925 this.style = options.style.parseStyle(); 926 else { 927 this.element.addClassName(options.style); 928 this.style = $H(this.element.getStyles()); 929 this.element.removeClassName(options.style); 930 var css = this.element.getStyles(); 931 this.style = this.style.reject(function(style) { 932 return style.value == css[style.key]; 933 }); 934 options.afterFinishInternal = function(effect) { 935 effect.element.addClassName(effect.options.style); 936 effect.transforms.each(function(transform) { 937 effect.element.style[transform.style] = ''; 938 }); 939 } 940 } 941 } 942 this.start(options); 943 }, 944 945 setup: function(){ 946 function parseColor(color){ 947 if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff'; 948 color = color.parseColor(); 949 return $R(0,2).map(function(i){ 950 return parseInt( color.slice(i*2+1,i*2+3), 16 ) 951 }); 952 } 953 this.transforms = this.style.map(function(pair){ 954 var property = pair[0], value = pair[1], unit = null; 955 956 if (value.parseColor('#zzzzzz') != '#zzzzzz') { 957 value = value.parseColor(); 958 unit = 'color'; 959 } else if (property == 'opacity') { 960 value = parseFloat(value); 961 if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout)) 962 this.element.setStyle({zoom: 1}); 963 } else if (Element.CSS_LENGTH.test(value)) { 964 var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/); 965 value = parseFloat(components[1]); 966 unit = (components.length == 3) ? components[2] : null; 967 } 968 969 var originalValue = this.element.getStyle(property); 970 return { 971 style: property.camelize(), 972 originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 973 targetValue: unit=='color' ? parseColor(value) : value, 974 unit: unit 975 }; 976 }.bind(this)).reject(function(transform){ 977 return ( 978 (transform.originalValue == transform.targetValue) || 979 ( 980 transform.unit != 'color' && 981 (isNaN(transform.originalValue) || isNaN(transform.targetValue)) 982 ) 983 ) 984 }); 985 }, 986 update: function(position) { 987 var style = { }, transform, i = this.transforms.length; 988 while(i--) 989 style[(transform = this.transforms[i]).style] = 990 transform.unit=='color' ? '#'+ 991 (Math.round(transform.originalValue[0]+ 992 (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() + 993 (Math.round(transform.originalValue[1]+ 994 (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() + 995 (Math.round(transform.originalValue[2]+ 996 (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() : 997 (transform.originalValue + 998 (transform.targetValue - transform.originalValue) * position).toFixed(3) + 999 (transform.unit === null ? '' : transform.unit); 1000 this.element.setStyle(style, true); 1001 } 1002}); 1003 1004Effect.Transform = Class.create({ 1005 initialize: function(tracks){ 1006 this.tracks = []; 1007 this.options = arguments[1] || { }; 1008 this.addTracks(tracks); 1009 }, 1010 addTracks: function(tracks){ 1011 tracks.each(function(track){ 1012 track = $H(track); 1013 var data = track.values().first(); 1014 this.tracks.push($H({ 1015 ids: track.keys().first(), 1016 effect: Effect.Morph, 1017 options: { style: data } 1018 })); 1019 }.bind(this)); 1020 return this; 1021 }, 1022 play: function(){ 1023 return new Effect.Parallel( 1024 this.tracks.map(function(track){ 1025 var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options'); 1026 var elements = [$(ids) || $$(ids)].flatten(); 1027 return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) }); 1028 }).flatten(), 1029 this.options 1030 ); 1031 } 1032}); 1033 1034Element.CSS_PROPERTIES = $w( 1035 'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 1036 'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' + 1037 'borderRightColor borderRightStyle borderRightWidth borderSpacing ' + 1038 'borderTopColor borderTopStyle borderTopWidth bottom clip color ' + 1039 'fontSize fontWeight height left letterSpacing lineHeight ' + 1040 'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+ 1041 'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' + 1042 'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' + 1043 'right textIndent top width wordSpacing zIndex'); 1044 1045Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/; 1046 1047String.__parseStyleElement = document.createElement('div'); 1048String.prototype.parseStyle = function(){ 1049 var style, styleRules = $H(); 1050 if (Prototype.Browser.WebKit) 1051 style = new Element('div',{style:this}).style; 1052 else { 1053 String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>'; 1054 style = String.__parseStyleElement.childNodes[0].style; 1055 } 1056 1057 Element.CSS_PROPERTIES.each(function(property){ 1058 if (style[property]) styleRules.set(property, style[property]); 1059 }); 1060 1061 if (Prototype.Browser.IE && this.include('opacity')) 1062 styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]); 1063 1064 return styleRules; 1065}; 1066 1067if (document.defaultView && document.defaultView.getComputedStyle) { 1068 Element.getStyles = function(element) { 1069 var css = document.defaultView.getComputedStyle($(element), null); 1070 return Element.CSS_PROPERTIES.inject({ }, function(styles, property) { 1071 styles[property] = css[property]; 1072 return styles; 1073 }); 1074 }; 1075} else { 1076 Element.getStyles = function(element) { 1077 element = $(element); 1078 var css = element.currentStyle, styles; 1079 styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) { 1080 results[property] = css[property]; 1081 return results; 1082 }); 1083 if (!styles.opacity) styles.opacity = element.getOpacity(); 1084 return styles; 1085 }; 1086}; 1087 1088Effect.Methods = { 1089 morph: function(element, style) { 1090 element = $(element); 1091 new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { })); 1092 return element; 1093 }, 1094 visualEffect: function(element, effect, options) { 1095 element = $(element) 1096 var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1); 1097 new Effect[klass](element, options); 1098 return element; 1099 }, 1100 highlight: function(element, options) { 1101 element = $(element); 1102 new Effect.Highlight(element, options); 1103 return element; 1104 } 1105}; 1106 1107$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+ 1108 'pulsate shake puff squish switchOff dropOut').each( 1109 function(effect) { 1110 Effect.Methods[effect] = function(element, options){ 1111 element = $(element); 1112 Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options); 1113 return element; 1114 } 1115 } 1116); 1117 1118$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 1119 function(f) { Effect.Methods[f] = Element[f]; } 1120); 1121 1122Element.addMethods(Effect.Methods);