From bd11ca377540c15c9dda6f943e14234e10e37f31 Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Wed, 6 Jul 2005 11:30:48 +0000 Subject: [PATCH] Keep JS files locally git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1737 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- railties/Rakefile | 15 +- railties/html/javascripts/controls.js | 261 ++++++ railties/html/javascripts/dragdrop.js | 476 +++++++++++ railties/html/javascripts/effects.js | 570 +++++++++++++ railties/html/javascripts/prototype.js | 1027 ++++++++++++++++++++++++ 5 files changed, 2340 insertions(+), 9 deletions(-) create mode 100644 railties/html/javascripts/controls.js create mode 100644 railties/html/javascripts/dragdrop.js create mode 100644 railties/html/javascripts/effects.js create mode 100644 railties/html/javascripts/prototype.js diff --git a/railties/Rakefile b/railties/Rakefile index 5ded004a4b..f2ed7d9022 100644 --- a/railties/Rakefile +++ b/railties/Rakefile @@ -61,16 +61,13 @@ end # Get external spinoffs ------------------------------------------------------------------- -task :update_scriptaculous do - system("svn export --force http://dev.rubyonrails.org/svn/rails/spinoffs/scriptaculous/src/ #{File.dirname(__FILE__)}/html/javascripts") -end - -task :update_prototype do - system("svn export --force http://dev.rubyonrails.org/svn/rails/trunk/actionpack/lib/action_view/helpers/javascripts/prototype.js #{File.dirname(__FILE__)}/html/javascripts/prototype.js") -end - desc "Updates railties to the latest version of the javascript spinoffs" -task :update_js => [:update_scriptaculous, :update_prototype] +task :update_js do + for js in %w( prototype controls dragdrop effects ) + rm "html/javascripts/#{js}.js" + cp "./../actionpack/lib/action_view/helpers/javascripts/#{js}.js", "html/javascripts" + end +end # Make directory structure ---------------------------------------------------------------- diff --git a/railties/html/javascripts/controls.js b/railties/html/javascripts/controls.js new file mode 100644 index 0000000000..60618838a8 --- /dev/null +++ b/railties/html/javascripts/controls.js @@ -0,0 +1,261 @@ +// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + +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; +} + +Ajax.Autocompleter = Class.create(); +Ajax.Autocompleter.prototype = (new Ajax.Base()).extend({ + initialize: function(element, update, url, options) { + this.element = $(element); + this.update = $(update); + this.has_focus = false; + this.changed = false; + this.active = false; + this.index = 0; + this.entry_count = 0; + this.url = url; + + this.setOptions(options); + this.options.asynchronous = true; + this.options.onComplete = this.onComplete.bind(this) + this.options.frequency = this.options.frequency || 0.4; + this.options.min_chars = this.options.min_chars || 1; + this.options.method = 'post'; + + this.options.onShow = this.options.onShow || + function(element, update){ + if(!update.style.position || update.style.position=='absolute') { + update.style.position = 'absolute'; + var offsets = Position.cumulativeOffset(element); + update.style.left = offsets[0] + 'px'; + update.style.top = (offsets[1] + element.offsetHeight) + 'px'; + update.style.width = element.offsetWidth + 'px'; + } + new Effect.Appear(update,{duration:0.3}); + }; + this.options.onHide = this.options.onHide || + function(element, update){ new Effect.Fade(update,{duration:0.3}) }; + + + if(this.options.indicator) + this.indicator = $(this.options.indicator); + + this.observer = null; + + Element.hide(this.update); + + Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this)); + Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this)); + }, + + show: function() { + if(this.update.style.display=='none') this.options.onShow(this.element, this.update); + if(!this.iefix && (navigator.appVersion.indexOf('MSIE')>0) && this.update.style.position=='absolute') { + new Insertion.After(this.update, + ''); + this.iefix = $(this.update.id+'_iefix'); + } + if(this.iefix) { + Position.clone(this.update, this.iefix); + this.iefix.style.zIndex = 1; + this.update.style.zIndex = 2; + Element.show(this.iefix); + } + }, + + hide: function() { + if(this.update.style.display=='') this.options.onHide(this.element, this.update); + if(this.iefix) Element.hide(this.iefix); + }, + + startIndicator: function() { + if(this.indicator) Element.show(this.indicator); + }, + + stopIndicator: function() { + if(this.indicator) Element.hide(this.indicator); + }, + + onObserverEvent: function() { + this.changed = false; + if(this.element.value.length>=this.options.min_chars) { + this.startIndicator(); + this.options.parameters = this.options.callback ? + this.options.callback(this.element, Form.Element.getValue(this.element)) : + Form.Element.serialize(this.element); + new Ajax.Request(this.url, this.options); + } else { + this.active = false; + this.hide(); + } + }, + + addObservers: function(element) { + Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this)); + Event.observe(element, "click", this.onClick.bindAsEventListener(this)); + }, + + onComplete: function(request) { + if(!this.changed && this.has_focus) { + this.update.innerHTML = request.responseText; + Element.cleanWhitespace(this.update); + Element.cleanWhitespace(this.update.firstChild); + + if(this.update.firstChild && this.update.firstChild.childNodes) { + this.entry_count = + this.update.firstChild.childNodes.length; + for (var i = 0; i < this.entry_count; i++) { + entry = this.get_entry(i); + entry.autocompleteIndex = i; + this.addObservers(entry); + } + } else { + this.entry_count = 0; + } + + this.stopIndicator(); + + this.index = 0; + this.render(); + } + }, + + onKeyPress: function(event) { + if(this.active) + switch(event.keyCode) { + case Event.KEY_TAB: + case Event.KEY_RETURN: + this.select_entry(); + Event.stop(event); + case Event.KEY_ESC: + this.hide(); + this.active = false; + return; + case Event.KEY_LEFT: + case Event.KEY_RIGHT: + return; + case Event.KEY_UP: + this.mark_previous(); + this.render(); + if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event); + return; + case Event.KEY_DOWN: + this.mark_next(); + this.render(); + if(navigator.appVersion.indexOf('AppleWebKit')>0) Event.stop(event); + return; + } + else + if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN) + return; + + this.changed = true; + this.has_focus = true; + + if(this.observer) clearTimeout(this.observer); + this.observer = + setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000); + }, + + onHover: function(event) { + var element = Event.findElement(event, 'LI'); + if(this.index != element.autocompleteIndex) + { + this.index = element.autocompleteIndex; + this.render(); + } + Event.stop(event); + }, + + onClick: function(event) { + var element = Event.findElement(event, 'LI'); + this.index = element.autocompleteIndex; + this.select_entry(); + Event.stop(event); + }, + + onBlur: function(event) { + // needed to make click events working + setTimeout(this.hide.bind(this), 250); + this.has_focus = false; + this.active = false; + }, + + render: function() { + if(this.entry_count > 0) { + for (var i = 0; i < this.entry_count; i++) + this.index==i ? + Element.addClassName(this.get_entry(i),"selected") : + Element.removeClassName(this.get_entry(i),"selected"); + + if(this.has_focus) { + if(this.get_current_entry().scrollIntoView) + this.get_current_entry().scrollIntoView(false); + + this.show(); + this.active = true; + } + } else this.hide(); + }, + + mark_previous: function() { + if(this.index > 0) this.index-- + else this.index = this.entry_count-1; + }, + + mark_next: function() { + if(this.index < this.entry_count-1) this.index++ + else this.index = 0; + }, + + get_entry: function(index) { + return this.update.firstChild.childNodes[index]; + }, + + get_current_entry: function() { + return this.get_entry(this.index); + }, + + select_entry: function() { + this.active = false; + value = Element.collectTextNodesIgnoreClass(this.get_current_entry(), 'informal').unescapeHTML(); + this.element.value = value; + this.element.focus(); + } +}); \ No newline at end of file diff --git a/railties/html/javascripts/dragdrop.js b/railties/html/javascripts/dragdrop.js new file mode 100644 index 0000000000..20432a3c88 --- /dev/null +++ b/railties/html/javascripts/dragdrop.js @@ -0,0 +1,476 @@ +// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) +// +// Element.Class part Copyright (c) 2005 by Rick Olson +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +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) { + element = $(element); + return element.className.split(' '); + }, + + // functions adapted from original functions by Gavin Kistner + remove: function(element) { + element = $(element); + var regEx; + for(var i = 1; i < arguments.length; i++) { + regEx = new RegExp("^" + arguments[i] + "\\b\\s*|\\s*\\b" + arguments[i] + "\\b", 'g'); + element.className = element.className.replace(regEx, '') + } + }, + + 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++) { + regEx = new RegExp("\\b" + arguments[i] + "\\b"); + 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("\\b" + arguments[i][j] + "\\b"); + if(regEx.test(element.className)) return true; + } + } else { + regEx = new RegExp("\\b" + arguments[i] + "\\b"); + 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]); + break; + } + } + + return elements; + } +} + +/*--------------------------------------------------------------------------*/ + +var Droppables = { + drops: false, + + add: function(element) { + var element = $(element); + var options = { + greedy: true, + hoverclass: null + }.extend(arguments[1] || {}); + + // cache containers + if(options.containment) { + options._containers = new Array(); + var containment = options.containment; + if((typeof containment == 'object') && + (containment.constructor == Array)) { + for(var i=0; i0) window.scrollBy(0,0); + + Event.stop(event); + } + } +} + +/*--------------------------------------------------------------------------*/ + +SortableObserver = Class.create(); +SortableObserver.prototype = { + initialize: function(element, observer) { + this.element = $(element); + this.observer = observer; + this.lastValue = Sortable.serialize(this.element); + }, + onStart: function() { + this.lastValue = Sortable.serialize(this.element); + }, + onEnd: function() { + if(this.lastValue != Sortable.serialize(this.element)) + this.observer(this.element) + } +} + +Sortable = { + create: function(element) { + var element = $(element); + var options = { + tag: 'li', // assumes li children, override with tag: 'tagname' + overlap: 'vertical', // one of 'vertical', 'horizontal' + constraint: 'vertical', // one of 'vertical', 'horizontal', false + containment: element, // also takes array of elements (or id's); or false + handle: false, // or a CSS class + only: false, + hoverclass: null, + onChange: function() {}, + onUpdate: function() {} + }.extend(arguments[1] || {}); + element.sortable = options; + + // build options for the draggables + var options_for_draggable = { + revert: true, + constraint: options.constraint, + handle: handle }; + if(options.starteffect) + options_for_draggable.starteffect = options.starteffect; + if(options.reverteffect) + options_for_draggable.reverteffect = options.reverteffect; + if(options.endeffect) + options_for_draggable.endeffect = options.endeffect; + if(options.zindex) + options_for_draggable.zindex = options.zindex; + + // build options for the droppables + var options_for_droppable = { + overlap: options.overlap, + containment: options.containment, + hoverclass: options.hoverclass, + onHover: function(element, dropon, overlap) { + if(overlap>0.5) { + if(dropon.previousSibling != element) { + var oldParentNode = element.parentNode; + element.style.visibility = "hidden"; // fix gecko rendering + dropon.parentNode.insertBefore(element, dropon); + if(dropon.parentNode!=oldParentNode && oldParentNode.sortable) + oldParentNode.sortable.onChange(element); + if(dropon.parentNode.sortable) + dropon.parentNode.sortable.onChange(element); + } + } else { + var nextElement = dropon.nextSibling || null; + if(nextElement != element) { + var oldParentNode = element.parentNode; + element.style.visibility = "hidden"; // fix gecko rendering + dropon.parentNode.insertBefore(element, nextElement); + if(dropon.parentNode!=oldParentNode && oldParentNode.sortable) + oldParentNode.sortable.onChange(element); + if(dropon.parentNode.sortable) + dropon.parentNode.sortable.onChange(element); + } + } + } + } + + // fix for gecko engine + Element.cleanWhitespace(element); + + // for onupdate + Draggables.addObserver(new SortableObserver(element, options.onUpdate)); + + // make it so + var elements = element.childNodes; + for (var i = 0; i < elements.length; i++) + if(elements[i].tagName && elements[i].tagName==options.tag.toUpperCase() && + (!options.only || (Element.Class.has(elements[i], options.only)))) { + + // handles are per-draggable + var handle = options.handle ? + Element.Class.childrenWith(elements[i], options.handle)[0] : elements[i]; + + new Draggable(elements[i], options_for_draggable.extend({ handle: handle })); + Droppables.add(elements[i], options_for_droppable); + } + + }, + serialize: function(element) { + var element = $(element); + var options = { + tag: element.sortable.tag, + only: element.sortable.only, + name: element.id + }.extend(arguments[1] || {}); + + var items = $(element).childNodes; + var queryComponents = new Array(); + + for(var i=0; i= this.finishOn) { + this.render(this.options.to); + if(this.finish) this.finish(); + if(this.options.afterFinish) this.options.afterFinish(this); + return; + } + pos = (timePos - this.startOn) / (this.finishOn - this.startOn); + frame = Math.round(pos * this.options.fps * this.options.duration); + if(frame > this.currentFrame) { + this.render(pos); + this.currentFrame = frame; + } + this.timeout = setTimeout(this.loop.bind(this), 10); + }, + render: function(pos) { + if(this.options.transition) pos = this.options.transition(pos); + pos = pos * (this.options.to-this.options.from); + pos += this.options.from; + if(this.options.beforeUpdate) this.options.beforeUpdate(this); + if(this.update) this.update(pos); + if(this.options.afterUpdate) this.options.afterUpdate(this); + }, + cancel: function() { + if(this.timeout) clearTimeout(this.timeout); + } +} + +Effect.Parallel = Class.create(); + Effect.Parallel.prototype = (new Effect.Base()).extend({ + initialize: function(effects) { + this.effects = effects || []; + this.start(arguments[1]); + }, + update: function(position) { + for (var i = 0; i < this.effects.length; i++) + this.effects[i].render(position); + }, + finish: function(position) { + for (var i = 0; i < this.effects.length; i++) + if(this.effects[i].finish) this.effects[i].finish(position); + } + }); + +// Internet Explorer caveat: works only on elements the have +// a 'layout', meaning having a given width or height. +// There is no way to safely set this automatically. +Effect.Opacity = Class.create(); +Effect.Opacity.prototype = (new Effect.Base()).extend({ + initialize: function(element) { + this.element = $(element); + options = { + from: 0.0, + to: 1.0 + }.extend(arguments[1] || {}); + this.start(options); + }, + update: function(position) { + this.setOpacity(position); + }, + setOpacity: function(opacity) { + opacity = (opacity == 1) ? 0.99999 : opacity; + this.element.style.opacity = opacity; + this.element.style.filter = "alpha(opacity:"+opacity*100+")"; + } +}); + +Effect.MoveBy = Class.create(); + Effect.MoveBy.prototype = (new Effect.Base()).extend({ + initialize: function(element, toTop, toLeft) { + this.element = $(element); + this.originalTop = parseFloat(this.element.style.top || '0'); + this.originalLeft = parseFloat(this.element.style.left || '0'); + this.toTop = toTop; + this.toLeft = toLeft; + if(this.element.style.position == "") + this.element.style.position = "relative"; + this.start(arguments[3]); + }, + update: function(position) { + topd = this.toTop * position + this.originalTop; + 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(); +Effect.Scale.prototype = (new Effect.Base()).extend({ + initialize: function(element, percent) { + this.element = $(element) + options = { + scaleX: true, + scaleY: true, + scaleContent: true, + scaleFromCenter: false, + scaleMode: 'box', // 'box' or 'contents' or {} with provided values + scaleFrom: 100.0 + }.extend(arguments[2] || {}); + this.originalTop = this.element.offsetTop; + this.originalLeft = this.element.offsetLeft; + if (this.element.style.fontSize=="") this.sizeEm = 1.0; + if (this.element.style.fontSize && this.element.style.fontSize.indexOf("em")>0) + this.sizeEm = parseFloat(this.element.style.fontSize); + this.factor = (percent/100.0) - (options.scaleFrom/100.0); + if(options.scaleMode=='box') { + this.originalHeight = this.element.clientHeight; + this.originalWidth = this.element.clientWidth; + } else + if(options.scaleMode=='contents') { + this.originalHeight = this.element.scrollHeight; + this.originalWidth = this.element.scrollWidth; + } else { + this.originalHeight = options.scaleMode.originalHeight; + this.originalWidth = options.scaleMode.originalWidth; + } + this.start(options); + }, + + update: function(position) { + currentScale = (this.options.scaleFrom/100.0) + (this.factor * position); + if(this.options.scaleContent && this.sizeEm) + this.element.style.fontSize = this.sizeEm*currentScale + "em"; + this.setDimensions( + this.originalWidth * currentScale, + this.originalHeight * currentScale); + }, + + setDimensions: function(width, height) { + if(this.options.scaleX) this.element.style.width = width + 'px'; + if(this.options.scaleY) this.element.style.height = height + 'px'; + if(this.options.scaleFromCenter) { + topd = (height - this.originalHeight)/2; + leftd = (width - this.originalWidth)/2; + if(this.element.style.position=='absolute') { + if(this.options.scaleY) this.element.style.top = this.originalTop-topd + "px"; + if(this.options.scaleX) this.element.style.left = this.originalLeft-leftd + "px"; + } else { + if(this.options.scaleY) this.element.style.top = -topd + "px"; + if(this.options.scaleX) this.element.style.left = -leftd + "px"; + } + } + } +}); + +Effect.Highlight = Class.create(); +Effect.Highlight.prototype = (new Effect.Base()).extend({ + initialize: function(element) { + this.element = $(element); + + // try to parse current background color as default for endcolor + // browser stores this as: "rgb(255, 255, 255)", convert to "#ffffff" format + var endcolor = "#ffffff"; + var current = this.element.style.backgroundColor; + if(current && current.slice(0,4) == "rgb(") { + endcolor = "#"; + var cols = current.slice(4,current.length-1).split(','); + var i=0; do { endcolor += parseInt(cols[i]).toColorPart() } while (++i<3); } + + var options = { + startcolor: "#ffff99", + endcolor: endcolor + }.extend(arguments[1] || {}); + + // init color calculations + this.colors_base = [ + parseInt(options.startcolor.slice(1,3),16), + parseInt(options.startcolor.slice(3,5),16), + parseInt(options.startcolor.slice(5),16) ]; + this.colors_delta = [ + parseInt(options.endcolor.slice(1,3),16)-this.colors_base[0], + parseInt(options.endcolor.slice(3,5),16)-this.colors_base[1], + parseInt(options.endcolor.slice(5),16)-this.colors_base[2] ]; + + this.start(options); + }, + update: function(position) { + var colors = [ + Math.round(this.colors_base[0]+(this.colors_delta[0]*position)), + Math.round(this.colors_base[1]+(this.colors_delta[1]*position)), + Math.round(this.colors_base[2]+(this.colors_delta[2]*position)) ]; + this.element.style.backgroundColor = "#" + + colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart(); + } +}); + + +/* ------------- prepackaged effects ------------- */ + +Effect.Fade = function(element) { + options = { + from: 1.0, + to: 0.0, + afterFinish: function(effect) + { Element.hide(effect.element); + effect.setOpacity(1); } + }.extend(arguments[1] || {}); + new Effect.Opacity(element,options); +} + +Effect.Appear = function(element) { + options = { + from: 0.0, + to: 1.0, + beforeStart: function(effect) + { effect.setOpacity(0); + Element.show(effect.element); }, + afterUpdate: function(effect) + { Element.show(effect.element); } + }.extend(arguments[1] || {}); + new Effect.Opacity(element,options); +} + +Effect.Puff = function(element) { + new Effect.Parallel( + [ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true }), + new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], + { duration: 1.0, + afterUpdate: function(effect) + { effect.effects[0].element.style.position = 'absolute'; }, + afterFinish: function(effect) + { Element.hide(effect.effects[0].element); } + } + ); +} + +Effect.BlindUp = function(element) { + $(element)._overflow = $(element).style.overflow || 'visible'; + $(element).style.overflow = 'hidden'; + new Effect.Scale(element, 0, + { scaleContent: false, + scaleX: false, + afterFinish: function(effect) + { + Element.hide(effect.element); + effect.element.style.overflow = effect.element._overflow; + } + }.extend(arguments[1] || {}) + ); +} + +Effect.BlindDown = function(element) { + $(element).style.height = '0px'; + $(element)._overflow = $(element).style.overflow || 'visible'; + $(element).style.overflow = 'hidden'; + Element.show(element); + new Effect.Scale(element, 100, + { scaleContent: false, + scaleX: false, + scaleMode: 'contents', + scaleFrom: 0, + afterFinish: function(effect) { + effect.element.style.overflow = effect.element._overflow; + } + }.extend(arguments[1] || {}) + ); +} + +Effect.SwitchOff = function(element) { + new Effect.Appear(element, + { duration: 0.4, + transition: Effect.Transitions.flicker, + afterFinish: function(effect) + { effect.element.style.overflow = 'hidden'; + new Effect.Scale(effect.element, 1, + { duration: 0.3, scaleFromCenter: true, + scaleX: false, scaleContent: false, + afterUpdate: function(effect) { + if(effect.element.style.position=="") + effect.element.style.position = 'relative'; }, + afterFinish: function(effect) { Element.hide(effect.element); } + } ) + } + } ) +} + +Effect.DropOut = function(element) { + new Effect.Parallel( + [ new Effect.MoveBy(element, 100, 0, { sync: true }), + new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], + { duration: 0.5, + afterFinish: function(effect) + { Element.hide(effect.effects[0].element); } + }); +} + +Effect.Shake = function(element) { + new Effect.MoveBy(element, 0, 20, + { duration: 0.05, afterFinish: function(effect) { + new Effect.MoveBy(effect.element, 0, -40, + { duration: 0.1, afterFinish: function(effect) { + new Effect.MoveBy(effect.element, 0, 40, + { duration: 0.1, afterFinish: function(effect) { + new Effect.MoveBy(effect.element, 0, -40, + { duration: 0.1, afterFinish: function(effect) { + new Effect.MoveBy(effect.element, 0, 40, + { duration: 0.1, afterFinish: function(effect) { + new Effect.MoveBy(effect.element, 0, -20, + { duration: 0.05, afterFinish: function(effect) { + }}) }}) }}) }}) }}) }}); +} + +Effect.SlideDown = function(element) { + $(element)._overflow = $(element).style.overflow || 'visible'; + $(element).style.height = '0px'; + $(element).style.overflow = 'hidden'; + $(element).firstChild.style.position = 'relative'; + Element.show(element); + new Effect.Scale(element, 100, + { scaleContent: false, + scaleX: false, + scaleMode: 'contents', + scaleFrom: 0, + afterUpdate: function(effect) + { effect.element.firstChild.style.bottom = + (effect.originalHeight - effect.element.clientHeight) + 'px'; }, + afterFinish: function(effect) + { effect.element.style.overflow = effect.element._overflow; } + }.extend(arguments[1] || {}) + ); +} + +Effect.SlideUp = function(element) { + $(element)._overflow = $(element).style.overflow || 'visible'; + $(element).style.overflow = 'hidden'; + $(element).firstChild.style.position = 'relative'; + Element.show(element); + new Effect.Scale(element, 0, + { scaleContent: false, + scaleX: false, + afterUpdate: function(effect) + { effect.element.firstChild.style.bottom = + (effect.originalHeight - effect.element.clientHeight) + 'px'; }, + afterFinish: function(effect) + { + Element.hide(effect.element); + effect.element.style.overflow = effect.element._overflow; + } + }.extend(arguments[1] || {}) + ); +} + +Effect.Squish = function(element) { + new Effect.Scale(element, 0, + { afterFinish: function(effect) { Element.hide(effect.element); } }); +} + +Effect.Grow = function(element) { + element = $(element); + var options = arguments[1] || {}; + + var originalWidth = element.clientWidth; + var originalHeight = element.clientHeight; + element.style.overflow = 'hidden'; + Element.show(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; + } + + new Effect.MoveBy(element, initialMoveY, initialMoveX, { + duration: 0.01, + beforeUpdate: function(effect) { $(element).style.height = '0px'; }, + afterFinish: function(effect) { + new Effect.Parallel( + [ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }), + new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }), + new Effect.Scale(element, 100, { + scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth }, + sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })], + options); } + }); +} + +Effect.Shrink = function(element) { + element = $(element); + var options = arguments[1] || {}; + + var originalWidth = element.clientWidth; + var originalHeight = element.clientHeight; + element.style.overflow = 'hidden'; + Element.show(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; + } + + new Effect.Parallel( + [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }), + new Effect.Scale(element, 0, { sync: true, transition: moveTransition }), + new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ], + options); +} + +Effect.Pulsate = function(element) { + var options = arguments[1] || {}; + var transition = options.transition || Effect.Transitions.sinoidal; + var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) }; + reverser.bind(transition); + new Effect.Opacity(element, + { duration: 3.0, + afterFinish: function(effect) { Element.show(effect.element); } + }.extend(options).extend({transition: reverser})); +} + +Effect.Fold = function(element) { + $(element).style.overflow = 'hidden'; + new Effect.Scale(element, 5, { + scaleContent: false, + scaleTo: 100, + scaleX: false, + afterFinish: function(effect) { + new Effect.Scale(element, 1, { + scaleContent: false, + scaleTo: 0, + scaleY: false, + afterFinish: function(effect) { Element.hide(effect.element) } }); + }}.extend(arguments[1] || {})); +} + +// old: new Effect.ContentZoom(element, percent) +// new: Element.setContentZoom(element, percent) + +Element.setContentZoom = function(element, percent) { + var element = $(element); + element.style.fontSize = (percent/100) + "em"; + if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); +} diff --git a/railties/html/javascripts/prototype.js b/railties/html/javascripts/prototype.js new file mode 100644 index 0000000000..5f1ccadb11 --- /dev/null +++ b/railties/html/javascripts/prototype.js @@ -0,0 +1,1027 @@ +/* Prototype JavaScript framework, version 1.3.0 + * (c) 2005 Sam Stephenson + * + * THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff + * against the source tree, available from the Prototype darcs repository. + * + * Prototype is freely distributable under the terms of an MIT-style license. + * + * For details, see the Prototype web site: http://prototype.conio.net/ + * +/*--------------------------------------------------------------------------*/ + +var Prototype = { + Version: '1.3.0', + emptyFunction: function() {} +} + +var Class = { + create: function() { + return function() { + this.initialize.apply(this, arguments); + } + } +} + +var Abstract = new Object(); + +Object.extend = function(destination, source) { + for (property in source) { + destination[property] = source[property]; + } + return destination; +} + +Object.prototype.extend = function(object) { + return Object.extend.apply(this, [this, object]); +} + +Function.prototype.bind = function(object) { + var __method = this; + return function() { + __method.apply(object, arguments); + } +} + +Function.prototype.bindAsEventListener = function(object) { + var __method = this; + return function(event) { + __method.call(object, event || window.event); + } +} + +Number.prototype.toColorPart = function() { + var digits = this.toString(16); + if (this < 16) return '0' + digits; + return digits; +} + +var Try = { + these: function() { + var returnValue; + + for (var i = 0; i < arguments.length; i++) { + var lambda = arguments[i]; + try { + returnValue = lambda(); + break; + } catch (e) {} + } + + return returnValue; + } +} + +/*--------------------------------------------------------------------------*/ + +var PeriodicalExecuter = Class.create(); +PeriodicalExecuter.prototype = { + initialize: function(callback, frequency) { + this.callback = callback; + this.frequency = frequency; + this.currentlyExecuting = false; + + this.registerCallback(); + }, + + registerCallback: function() { + setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); + }, + + onTimerEvent: function() { + if (!this.currentlyExecuting) { + try { + this.currentlyExecuting = true; + this.callback(); + } finally { + this.currentlyExecuting = false; + } + } + } +} + +/*--------------------------------------------------------------------------*/ + +function $() { + var elements = new Array(); + + for (var i = 0; i < arguments.length; i++) { + var element = arguments[i]; + if (typeof element == 'string') + element = document.getElementById(element); + + if (arguments.length == 1) + return element; + + elements.push(element); + } + + return elements; +} + +if (!Array.prototype.push) { + Array.prototype.push = function() { + var startLength = this.length; + for (var i = 0; i < arguments.length; i++) + this[startLength + i] = arguments[i]; + return this.length; + } +} + +if (!Function.prototype.apply) { + // Based on code from http://www.youngpup.net/ + Function.prototype.apply = function(object, parameters) { + var parameterStrings = new Array(); + if (!object) object = window; + if (!parameters) parameters = new Array(); + + for (var i = 0; i < parameters.length; i++) + parameterStrings[i] = 'parameters[' + i + ']'; + + object.__apply__ = this; + var result = eval('object.__apply__(' + + parameterStrings[i].join(', ') + ')'); + object.__apply__ = null; + + return result; + } +} + +String.prototype.extend({ + stripTags: function() { + return this.replace(/<\/?[^>]+>/gi, ''); + }, + + escapeHTML: function() { + var div = document.createElement('div'); + var text = document.createTextNode(this); + div.appendChild(text); + return div.innerHTML; + }, + + unescapeHTML: function() { + var div = document.createElement('div'); + div.innerHTML = this.stripTags(); + return div.childNodes[0].nodeValue; + } +}); + +var Ajax = { + getTransport: function() { + return Try.these( + function() {return new ActiveXObject('Msxml2.XMLHTTP')}, + function() {return new ActiveXObject('Microsoft.XMLHTTP')}, + function() {return new XMLHttpRequest()} + ) || false; + } +} + +Ajax.Base = function() {}; +Ajax.Base.prototype = { + setOptions: function(options) { + this.options = { + method: 'post', + asynchronous: true, + parameters: '' + }.extend(options || {}); + }, + + responseIsSuccess: function() { + return this.transport.status == undefined + || this.transport.status == 0 + || (this.transport.status >= 200 && this.transport.status < 300); + }, + + responseIsFailure: function() { + return !this.responseIsSuccess(); + } +} + +Ajax.Request = Class.create(); +Ajax.Request.Events = + ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete']; + +Ajax.Request.prototype = (new Ajax.Base()).extend({ + initialize: function(url, options) { + this.transport = Ajax.getTransport(); + this.setOptions(options); + this.request(url); + }, + + request: function(url) { + var parameters = this.options.parameters || ''; + if (parameters.length > 0) parameters += '&_='; + + try { + if (this.options.method == 'get') + url += '?' + parameters; + + this.transport.open(this.options.method, url, + this.options.asynchronous); + + if (this.options.asynchronous) { + this.transport.onreadystatechange = this.onStateChange.bind(this); + setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); + } + + this.setRequestHeaders(); + + var body = this.options.postBody ? this.options.postBody : parameters; + this.transport.send(this.options.method == 'post' ? body : null); + + } catch (e) { + } + }, + + setRequestHeaders: function() { + var requestHeaders = + ['X-Requested-With', 'XMLHttpRequest', + 'X-Prototype-Version', Prototype.Version]; + + if (this.options.method == 'post') { + requestHeaders.push('Content-type', + 'application/x-www-form-urlencoded'); + + /* Force "Connection: close" for Mozilla browsers to work around + * a bug where XMLHttpReqeuest sends an incorrect Content-length + * header. See Mozilla Bugzilla #246651. + */ + if (this.transport.overrideMimeType) + requestHeaders.push('Connection', 'close'); + } + + if (this.options.requestHeaders) + requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); + + for (var i = 0; i < requestHeaders.length; i += 2) + this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); + }, + + onStateChange: function() { + var readyState = this.transport.readyState; + if (readyState != 1) + this.respondToReadyState(this.transport.readyState); + }, + + respondToReadyState: function(readyState) { + var event = Ajax.Request.Events[readyState]; + + if (event == 'Complete' && this.responseIsFailure()) + (this.options['on' + this.transport.status] + || this.options.onFailure + || Prototype.emptyFunction)(this.transport); + + (this.options['on' + event] || Prototype.emptyFunction)(this.transport); + } +}); + +Ajax.Updater = Class.create(); +Ajax.Updater.ScriptFragment = '(?:)((\n|.)*?)(?:<\/script>)'; + +Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({ + initialize: function(container, url, options) { + this.containers = { + success: container.success ? $(container.success) : $(container), + failure: container.failure ? $(container.failure) : + (container.success ? null : $(container)) + } + + this.transport = Ajax.getTransport(); + this.setOptions(options); + + var onComplete = this.options.onComplete || Prototype.emptyFunction; + this.options.onComplete = (function() { + this.updateContent(); + onComplete(this.transport); + }).bind(this); + + this.request(url); + }, + + updateContent: function() { + var receiver = this.responseIsSuccess() ? + this.containers.success : this.containers.failure; + + var match = new RegExp(Ajax.Updater.ScriptFragment, 'img'); + var response = this.transport.responseText.replace(match, ''); + var scripts = this.transport.responseText.match(match); + + if (receiver) { + if (this.options.insertion) { + new this.options.insertion(receiver, response); + } else { + receiver.innerHTML = response; + } + } + + if (this.responseIsSuccess()) { + if (this.onComplete) + setTimeout((function() {this.onComplete( + this.transport)}).bind(this), 10); + } + + if (this.options.evalScripts && scripts) { + match = new RegExp(Ajax.Updater.ScriptFragment, 'im'); + setTimeout((function() { + for (var i = 0; i < scripts.length; i++) + eval(scripts[i].match(match)[1]); + }).bind(this), 10); + } + } +}); + +Ajax.PeriodicalUpdater = Class.create(); +Ajax.PeriodicalUpdater.prototype = (new Ajax.Base()).extend({ + initialize: function(container, url, options) { + this.setOptions(options); + this.onComplete = this.options.onComplete; + + this.frequency = (this.options.frequency || 2); + this.decay = 1; + + this.updater = {}; + this.container = container; + this.url = url; + + this.start(); + }, + + start: function() { + this.options.onComplete = this.updateComplete.bind(this); + this.onTimerEvent(); + }, + + stop: function() { + this.updater.onComplete = undefined; + clearTimeout(this.timer); + (this.onComplete || Ajax.emptyFunction).apply(this, arguments); + }, + + updateComplete: function(request) { + if (this.options.decay) { + this.decay = (request.responseText == this.lastText ? + this.decay * this.options.decay : 1); + + this.lastText = request.responseText; + } + this.timer = setTimeout(this.onTimerEvent.bind(this), + this.decay * this.frequency * 1000); + }, + + onTimerEvent: function() { + this.updater = new Ajax.Updater(this.container, this.url, this.options); + } +}); + +document.getElementsByClassName = function(className) { + var children = document.getElementsByTagName('*') || document.all; + var elements = new Array(); + + for (var i = 0; i < children.length; i++) { + var child = children[i]; + var classNames = child.className.split(' '); + for (var j = 0; j < classNames.length; j++) { + if (classNames[j] == className) { + elements.push(child); + break; + } + } + } + + return elements; +} + +/*--------------------------------------------------------------------------*/ + +if (!window.Element) { + var Element = new Object(); +} + +Object.extend(Element, { + toggle: function() { + for (var i = 0; i < arguments.length; i++) { + var element = $(arguments[i]); + element.style.display = + (element.style.display == 'none' ? '' : 'none'); + } + }, + + hide: function() { + for (var i = 0; i < arguments.length; i++) { + var element = $(arguments[i]); + element.style.display = 'none'; + } + }, + + show: function() { + for (var i = 0; i < arguments.length; i++) { + var element = $(arguments[i]); + element.style.display = ''; + } + }, + + remove: function(element) { + element = $(element); + element.parentNode.removeChild(element); + }, + + getHeight: function(element) { + element = $(element); + return element.offsetHeight; + }, + + hasClassName: function(element, className) { + element = $(element); + if (!element) + return; + var a = element.className.split(' '); + for (var i = 0; i < a.length; i++) { + if (a[i] == className) + return true; + } + return false; + }, + + addClassName: function(element, className) { + element = $(element); + Element.removeClassName(element, className); + element.className += ' ' + className; + }, + + removeClassName: function(element, className) { + element = $(element); + if (!element) + return; + var newClassName = ''; + var a = element.className.split(' '); + for (var i = 0; i < a.length; i++) { + if (a[i] != className) { + if (i > 0) + newClassName += ' '; + newClassName += a[i]; + } + } + element.className = newClassName; + }, + + // removes whitespace-only text node children + cleanWhitespace: function(element) { + var element = $(element); + for (var i = 0; i < element.childNodes.length; i++) { + var node = element.childNodes[i]; + if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) + Element.remove(node); + } + } +}); + +var Toggle = new Object(); +Toggle.display = Element.toggle; + +/*--------------------------------------------------------------------------*/ + +Abstract.Insertion = function(adjacency) { + this.adjacency = adjacency; +} + +Abstract.Insertion.prototype = { + initialize: function(element, content) { + this.element = $(element); + this.content = content; + + if (this.adjacency && this.element.insertAdjacentHTML) { + this.element.insertAdjacentHTML(this.adjacency, this.content); + } else { + this.range = this.element.ownerDocument.createRange(); + if (this.initializeRange) this.initializeRange(); + this.fragment = this.range.createContextualFragment(this.content); + this.insertContent(); + } + } +} + +var Insertion = new Object(); + +Insertion.Before = Class.create(); +Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({ + initializeRange: function() { + this.range.setStartBefore(this.element); + }, + + insertContent: function() { + this.element.parentNode.insertBefore(this.fragment, this.element); + } +}); + +Insertion.Top = Class.create(); +Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({ + initializeRange: function() { + this.range.selectNodeContents(this.element); + this.range.collapse(true); + }, + + insertContent: function() { + this.element.insertBefore(this.fragment, this.element.firstChild); + } +}); + +Insertion.Bottom = Class.create(); +Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({ + initializeRange: function() { + this.range.selectNodeContents(this.element); + this.range.collapse(this.element); + }, + + insertContent: function() { + this.element.appendChild(this.fragment); + } +}); + +Insertion.After = Class.create(); +Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({ + initializeRange: function() { + this.range.setStartAfter(this.element); + }, + + insertContent: function() { + this.element.parentNode.insertBefore(this.fragment, + this.element.nextSibling); + } +}); + +var Field = { + clear: function() { + for (var i = 0; i < arguments.length; i++) + $(arguments[i]).value = ''; + }, + + focus: function(element) { + $(element).focus(); + }, + + present: function() { + for (var i = 0; i < arguments.length; i++) + if ($(arguments[i]).value == '') return false; + return true; + }, + + select: function(element) { + $(element).select(); + }, + + activate: function(element) { + $(element).focus(); + $(element).select(); + } +} + +/*--------------------------------------------------------------------------*/ + +var Form = { + serialize: function(form) { + var elements = Form.getElements($(form)); + var queryComponents = new Array(); + + for (var i = 0; i < elements.length; i++) { + var queryComponent = Form.Element.serialize(elements[i]); + if (queryComponent) + queryComponents.push(queryComponent); + } + + return queryComponents.join('&'); + }, + + getElements: function(form) { + var form = $(form); + var elements = new Array(); + + for (tagName in Form.Element.Serializers) { + var tagElements = form.getElementsByTagName(tagName); + for (var j = 0; j < tagElements.length; j++) + elements.push(tagElements[j]); + } + return elements; + }, + + getInputs: function(form, typeName, name) { + var form = $(form); + var inputs = form.getElementsByTagName('input'); + + if (!typeName && !name) + return inputs; + + var matchingInputs = new Array(); + for (var i = 0; i < inputs.length; i++) { + var input = inputs[i]; + if ((typeName && input.type != typeName) || + (name && input.name != name)) + continue; + matchingInputs.push(input); + } + + return matchingInputs; + }, + + disable: function(form) { + var elements = Form.getElements(form); + for (var i = 0; i < elements.length; i++) { + var element = elements[i]; + element.blur(); + element.disabled = 'true'; + } + }, + + enable: function(form) { + var elements = Form.getElements(form); + for (var i = 0; i < elements.length; i++) { + var element = elements[i]; + element.disabled = ''; + } + }, + + focusFirstElement: function(form) { + var form = $(form); + var elements = Form.getElements(form); + for (var i = 0; i < elements.length; i++) { + var element = elements[i]; + if (element.type != 'hidden' && !element.disabled) { + Field.activate(element); + break; + } + } + }, + + reset: function(form) { + $(form).reset(); + } +} + +Form.Element = { + serialize: function(element) { + var element = $(element); + var method = element.tagName.toLowerCase(); + var parameter = Form.Element.Serializers[method](element); + + if (parameter) + return encodeURIComponent(parameter[0]) + '=' + + encodeURIComponent(parameter[1]); + }, + + getValue: function(element) { + var element = $(element); + var method = element.tagName.toLowerCase(); + var parameter = Form.Element.Serializers[method](element); + + if (parameter) + return parameter[1]; + } +} + +Form.Element.Serializers = { + input: function(element) { + switch (element.type.toLowerCase()) { + case 'submit': + case 'hidden': + case 'password': + case 'text': + return Form.Element.Serializers.textarea(element); + case 'checkbox': + case 'radio': + return Form.Element.Serializers.inputSelector(element); + } + return false; + }, + + inputSelector: function(element) { + if (element.checked) + return [element.name, element.value]; + }, + + textarea: function(element) { + return [element.name, element.value]; + }, + + select: function(element) { + var value = ''; + if (element.type == 'select-one') { + var index = element.selectedIndex; + if (index >= 0) + value = element.options[index].value || element.options[index].text; + } else { + value = new Array(); + for (var i = 0; i < element.length; i++) { + var opt = element.options[i]; + if (opt.selected) + value.push(opt.value || opt.text); + } + } + return [element.name, value]; + } +} + +/*--------------------------------------------------------------------------*/ + +var $F = Form.Element.getValue; + +/*--------------------------------------------------------------------------*/ + +Abstract.TimedObserver = function() {} +Abstract.TimedObserver.prototype = { + initialize: function(element, frequency, callback) { + this.frequency = frequency; + this.element = $(element); + this.callback = callback; + + this.lastValue = this.getValue(); + this.registerCallback(); + }, + + registerCallback: function() { + setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); + }, + + onTimerEvent: function() { + var value = this.getValue(); + if (this.lastValue != value) { + this.callback(this.element, value); + this.lastValue = value; + } + } +} + +Form.Element.Observer = Class.create(); +Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({ + getValue: function() { + return Form.Element.getValue(this.element); + } +}); + +Form.Observer = Class.create(); +Form.Observer.prototype = (new Abstract.TimedObserver()).extend({ + getValue: function() { + return Form.serialize(this.element); + } +}); + +/*--------------------------------------------------------------------------*/ + +Abstract.EventObserver = function() {} +Abstract.EventObserver.prototype = { + initialize: function(element, callback) { + this.element = $(element); + this.callback = callback; + + this.lastValue = this.getValue(); + if (this.element.tagName.toLowerCase() == 'form') + this.registerFormCallbacks(); + else + this.registerCallback(this.element); + }, + + onElementEvent: function() { + var value = this.getValue(); + if (this.lastValue != value) { + this.callback(this.element, value); + this.lastValue = value; + } + }, + + registerFormCallbacks: function() { + var elements = Form.getElements(this.element); + for (var i = 0; i < elements.length; i++) + this.registerCallback(elements[i]); + }, + + registerCallback: function(element) { + if (element.type) { + switch (element.type.toLowerCase()) { + case 'checkbox': + case 'radio': + element.target = this; + element.prev_onclick = element.onclick || Prototype.emptyFunction; + element.onclick = function() { + this.prev_onclick(); + this.target.onElementEvent(); + } + break; + case 'password': + case 'text': + case 'textarea': + case 'select-one': + case 'select-multiple': + element.target = this; + element.prev_onchange = element.onchange || Prototype.emptyFunction; + element.onchange = function() { + this.prev_onchange(); + this.target.onElementEvent(); + } + break; + } + } + } +} + +Form.Element.EventObserver = Class.create(); +Form.Element.EventObserver.prototype = (new Abstract.EventObserver()).extend({ + getValue: function() { + return Form.Element.getValue(this.element); + } +}); + +Form.EventObserver = Class.create(); +Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({ + getValue: function() { + return Form.serialize(this.element); + } +}); + + +if (!window.Event) { + var Event = new Object(); +} + +Object.extend(Event, { + KEY_BACKSPACE: 8, + KEY_TAB: 9, + KEY_RETURN: 13, + KEY_ESC: 27, + KEY_LEFT: 37, + KEY_UP: 38, + KEY_RIGHT: 39, + KEY_DOWN: 40, + KEY_DELETE: 46, + + element: function(event) { + return event.target || event.srcElement; + }, + + isLeftClick: function(event) { + return (((event.which) && (event.which == 1)) || + ((event.button) && (event.button == 1))); + }, + + pointerX: function(event) { + return event.pageX || (event.clientX + + (document.documentElement.scrollLeft || document.body.scrollLeft)); + }, + + pointerY: function(event) { + return event.pageY || (event.clientY + + (document.documentElement.scrollTop || document.body.scrollTop)); + }, + + stop: function(event) { + if (event.preventDefault) { + event.preventDefault(); + event.stopPropagation(); + } else { + event.returnValue = false; + } + }, + + // find the first node with the given tagName, starting from the + // node the event was triggered on; traverses the DOM upwards + findElement: function(event, tagName) { + var element = Event.element(event); + while (element.parentNode && (!element.tagName || + (element.tagName.toUpperCase() != tagName.toUpperCase()))) + element = element.parentNode; + return element; + }, + + observe: function(element, name, observer, useCapture) { + var element = $(element); + useCapture = useCapture || false; + + if (name == 'keypress') { + if (navigator.appVersion.indexOf('AppleWebKit') > 0) { + element.addEventListener('keydown', observer, useCapture); + return; + } + if (element.addEventListener) { + element.addEventListener('keypress', observer, useCapture); + } else if (element.attachEvent) { + element.attachEvent('onkeydown', observer); + } + } else { + if (element.addEventListener) { + element.addEventListener(name, observer, useCapture); + } else if (element.attachEvent) { + element.attachEvent('on' + name, observer); + } + } + }, + + stopObserving: function(element, name, observer, useCapture) { + var element = $(element); + useCapture = useCapture || false; + + if (name == 'keypress') { + if (navigator.appVersion.indexOf('AppleWebKit') > 0) { + element.removeEventListener('keydown', observer, useCapture); + return; + } + if (element.removeEventListener) { + element.removeEventListener('keypress', observer, useCapture); + } else if (element.detachEvent) { + element.detachEvent('onkeydown', observer); + } + } else { + if (element.removeEventListener) { + element.removeEventListener(name, observer, useCapture); + } else if (element.detachEvent) { + element.detachEvent('on' + name, observer); + } + } + } +}); + +var Position = { + + // set to true if needed, warning: firefox performance problems + // NOT neeeded for page scrolling, only if draggable contained in + // scrollable elements + includeScrollOffsets: false, + + // must be called before calling withinIncludingScrolloffset, every time the + // page is scrolled + prepare: function() { + this.deltaX = window.pageXOffset + || document.documentElement.scrollLeft + || document.body.scrollLeft + || 0; + this.deltaY = window.pageYOffset + || document.documentElement.scrollTop + || document.body.scrollTop + || 0; + }, + + realOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.scrollTop || 0; + valueL += element.scrollLeft || 0; + element = element.parentNode; + } while (element); + return [valueL, valueT]; + }, + + cumulativeOffset: function(element) { + var valueT = 0, valueL = 0; + do { + valueT += element.offsetTop || 0; + valueL += element.offsetLeft || 0; + element = element.offsetParent; + } while (element); + return [valueL, valueT]; + }, + + // caches x/y coordinate pair to use with overlap + within: function(element, x, y) { + if (this.includeScrollOffsets) + return this.withinIncludingScrolloffsets(element, x, y); + this.xcomp = x; + this.ycomp = y; + this.offset = this.cumulativeOffset(element); + + return (y >= this.offset[1] && + y < this.offset[1] + element.offsetHeight && + x >= this.offset[0] && + x < this.offset[0] + element.offsetWidth); + }, + + withinIncludingScrolloffsets: function(element, x, y) { + var offsetcache = this.realOffset(element); + + this.xcomp = x + offsetcache[0] - this.deltaX; + this.ycomp = y + offsetcache[1] - this.deltaY; + this.offset = this.cumulativeOffset(element); + + return (this.ycomp >= this.offset[1] && + this.ycomp < this.offset[1] + element.offsetHeight && + this.xcomp >= this.offset[0] && + this.xcomp < this.offset[0] + element.offsetWidth); + }, + + // within must be called directly before + overlap: function(mode, element) { + if (!mode) return 0; + if (mode == 'vertical') + return ((this.offset[1] + element.offsetHeight) - this.ycomp) / + element.offsetHeight; + if (mode == 'horizontal') + return ((this.offset[0] + element.offsetWidth) - this.xcomp) / + element.offsetWidth; + }, + + clone: function(source, target) { + source = $(source); + target = $(target); + target.style.position = 'absolute'; + var offsets = this.cumulativeOffset(source); + target.style.top = offsets[1] + 'px'; + target.style.left = offsets[0] + 'px'; + target.style.width = source.offsetWidth + 'px'; + target.style.height = source.offsetHeight + 'px'; + } +}