//  Prototip 1.2.0_pre1 - 17-12-2007

//  Copyright (c) 2007 Nick Stakenburg (http://www.nickstakenburg.com)
//
//  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.

//  More information on this project:
//  http://www.nickstakenburg.com/projects/prototip/



var Prototip={Version:'1.2.0_pre1',REQUIRED_Prototype:'1.6.0',REQUIRED_Scriptaculous:'1.8.0',start:function(){this.require('Prototype');Tips.initialize();Element.observe(window,'unload',this.unload);},require:function(library){if((typeof window[library]=='undefined')||(this.convertVersionString(window[library].Version)<this.convertVersionString(this['REQUIRED_'+library])))
throw('Prototip requires '+library+' >= '+this['REQUIRED_'+library]);},convertVersionString:function(versionString){var r=versionString.split('.');return parseInt(r[0])*100000+parseInt(r[1])*1000+parseInt(r[2]);},viewport:{getDimensions:function(){var dimensions={};var B=Prototype.Browser;$w('width height').each(function(d){var D=d.capitalize();dimensions[d]=(B.WebKit&&!document.evaluate)?self['inner'+D]:(B.Opera)?document.body['client'+D]:document.documentElement['client'+D];});return dimensions;}},capture:function(func){if(!Prototype.Browser.IE){func=func.wrap(function(proceed,event){var rel=event.relatedTarget,cur=event.currentTarget;if(rel&&rel.nodeType==Node.TEXT_NODE)rel=rel.parentNode;if(rel&&rel!=cur&&rel.descendantOf&&!(rel.descendantOf(cur)))
proceed(event);});}
return func;},unload:function(){Tips.removeAll();}};var Tips={closeButtons:false,zIndex:1200,tips:[],visible:[],initialize:function(){this.zIndexTop=this.zIndex;},useEvent:(function(IE){return{'mouseover':(IE?'mouseenter':'mouseover'),'mouseout':(IE?'mouseleave':'mouseout'),'mouseenter':(IE?'mouseenter':'mouseover'),'mouseleave':(IE?'mouseleave':'mouseout')};})(Prototype.Browser.IE),fixIE:(function(agent){var version=new RegExp('MSIE ([\\d.]+)').exec(agent);return version?(parseFloat(version[1])<=6):false;})(navigator.userAgent),add:function(tip){this.tips.push(tip);},remove:function(element){var tip=this.tips.find(function(t){return t.element==$(element);});if(tip){tip.deactivate();if(tip.tooltip){tip.wrapper.remove();if(Tips.fixIE)tip.iframeShim.remove();}
this.tips=this.tips.without(tip);}},removeAll:function(){this.tips.each(function(tip){this.remove(tip.element);}.bind(this));},raise:function(tip){if(tip.highest)return;if(this.visible.length==0){this.zIndexTop=this.zIndex;for(var i=0;i<this.tips.length;i++){this.tips[i].wrapper.style.zIndex=this.zIndex;}}
tip.style.zIndex=this.zIndexTop++;for(var i=0;i<this.tips.length;i++){this.tips[i].wrapper.highest=false;};tip.highest=true;},addVisibile:function(tip){this.removeVisible(tip);this.visible.push(tip);},removeVisible:function(tip){this.visible=this.visible.without(tip);}};Tips.initialize();var Tip=Class.create({initialize:function(element,content){this.element=$(element);Tips.remove(this.element);this.content=content;var isHooking=(arguments[2]&&arguments[2].hook);var isShowOnClick=(arguments[2]&&arguments[2].showOn=='click');this.options=Object.extend({className:'default',closeButton:Tips.closeButtons,delay:!isShowOnClick?0.2:false,duration:0.3,effect:false,hideAfter:false,hideOn:'mouseleave',hook:false,offset:isHooking?{x:0,y:0}:{x:16,y:16},fixed:isHooking?true:false,showOn:'mousemove',target:this.element,title:false,viewport:isHooking?false:true},arguments[2]||{});this.target=$(this.options.target);this.setup();if(this.options.effect){Prototip.require('Scriptaculous');this.queue={position:'end',limit:1,scope:this.wrapper.identify()}}
Tips.add(this);this.activate();},setup:function(){this.wrapper=new Element('div',{'class':'prototip'}).setStyle({display:'none',zIndex:Tips.zIndex});this.wrapper.identify();if(Tips.fixIE){this.iframeShim=new Element('iframe',{'class':'iframeShim',src:'javascript:false;'}).setStyle({display:'none',zIndex:Tips.zIndex-1});}
this.tip=new Element('div',{'class':'content'}).insert(this.content);this.tip.insert(new Element('div').setStyle({clear:'both'}));if(this.options.closeButton||(this.options.hideOn.element&&this.options.hideOn.element=='closeButton'))
this.closeButton=new Element('a',{href:'#','class':'close'});},build:function(){if(Tips.fixIE)document.body.appendChild(this.iframeShim).setOpacity(0);var wrapper='wrapper';if(this.options.effect){this.effectWrapper=this.wrapper.appendChild(new Element('div',{'class':'effectWrapper'}));wrapper='effectWrapper';}
this.tooltip=this[wrapper].appendChild(new Element('div',{'class':'tooltip '+this.options.className}));if(this.options.title||this.options.closeButton){this.toolbar=this.tooltip.appendChild(new Element('div',{'class':'toolbar'}));this.title=this.toolbar.appendChild(new Element('div',{'class':'title'}).update(this.options.title||' '));}
this.tooltip.insert(this.tip);document.body.appendChild(this.wrapper);var fixate=(this.options.effect)?[this.wrapper,this.effectWrapper]:[this.wrapper];if(Tips.fixIE)fixate.push(this.iframeShim);var fixedWidth=this.wrapper.getWidth();fixate.invoke('setStyle',{width:fixedWidth+'px'});if(this.toolbar){this.wrapper.setStyle({visibility:'hidden'}).show();this.toolbar.setStyle({width:this.toolbar.getWidth()+'px'});this.wrapper.hide().setStyle({visibility:'visible'});}
if(this.closeButton)
this.title.insert({top:this.closeButton}).insert(new Element('div').setStyle({clear:'both'}));var fixedHeight=this.wrapper.getHeight();fixate.invoke('setStyle',{width:fixedWidth+'px',height:fixedHeight+'px'});this[this.options.effect?wrapper:'tooltip'].hide();},activate:function(){this.eventShow=this.showDelayed.bindAsEventListener(this);this.eventHide=this.hide.bindAsEventListener(this);if(this.options.fixed&&this.options.showOn=='mousemove')this.options.showOn='mouseover';if(this.options.showOn==this.options.hideOn){this.eventToggle=this.toggle.bindAsEventListener(this);this.element.observe(this.options.showOn,this.eventToggle);}
var hideOptions={'element':this.eventToggle?[]:[this.element],'target':this.eventToggle?[]:[this.target],'tip':this.eventToggle?[]:[this.wrapper],'closeButton':[],'none':[]};var el=this.options.hideOn.element;this.hideElement=el||(!this.options.hideOn?'none':'element');this.hideTargets=hideOptions[this.hideElement];if(!this.hideTargets&&el&&Object.isString(el))this.hideTargets=this.tip.select(el);var realEvent={'mouseenter':'mouseover','mouseleave':'mouseout'};$w('show hide').each(function(e){var E=e.capitalize();var event=(this.options[e+'On'].event||this.options[e+'On']);this[e+'Action']=event;if(['mouseenter','mouseleave','mouseover','mouseout'].include(event)){this[e+'Action']=(Tips.useEvent[event]||event);this['event'+E]=Prototip.capture(this['event'+E]);}}.bind(this));if(!this.eventToggle)this.element.observe(this.options.showOn,this.eventShow);if(this.hideTargets)this.hideTargets.invoke('observe',this.hideAction,this.eventHide);if(!this.options.fixed&&this.options.showOn=='click'){this.eventPosition=this.position.bindAsEventListener(this);this.element.observe('mousemove',this.eventPosition);}
this.buttonEvent=this.hide.wrap(function(proceed,event){event.stop();proceed(event);}).bindAsEventListener(this);if(this.closeButton)this.closeButton.observe('click',this.buttonEvent);if(this.options.showOn!='click'&&(this.hideElement!='element')){this.eventCheckDelay=Prototip.capture(function(){this.clearTimer('show');}).bindAsEventListener(this);this.element.observe(Tips.useEvent['mouseout'],this.eventCheckDelay);}
var elements=[this.element,this.wrapper];this.activityEnter=Prototip.capture(function(){Tips.raise(this.wrapper);this.cancelHideAfter();}).bindAsEventListener(this);this.activityLeave=Prototip.capture(this.hideAfter).bindAsEventListener(this);elements.invoke('observe',Tips.useEvent['mouseover'],this.activityEnter);elements.invoke('observe',Tips.useEvent['mouseout'],this.activityLeave);},deactivate:function(){if(this.options.showOn==this.options.hideOn)
this.element.stopObserving(this.options.showOn,this.eventToggle);else{this.element.stopObserving(this.options.showOn,this.eventShow);if(this.hideTargets)this.hideTargets.invoke('stopObserving');}
if(this.eventPosition)this.element.stopObserving('mousemove',this.eventPosition);if(this.closeButton)this.closeButton.stopObserving();if(this.eventCheckDelay)this.element.stopObserving('mouseout',this.eventCheckDelay);this.wrapper.stopObserving();this.element.stopObserving(Tips.useEvent['mouseover'],this.activityEnter);this.element.stopObserving(Tips.useEvent['mouseout'],this.activityLeave);},showDelayed:function(event){if(!this.tooltip)this.build();this.position(event);if(this.wrapper.visible())return;this.clearTimer('show');this.showTimer=this.show.bind(this).delay(this.options.delay);},clearTimer:function(timer){if(this[timer+'Timer'])clearTimeout(this[timer+'Timer']);},show:function(){if(this.wrapper.visible()&&this.options.effect!='appear')return;if(Tips.fixIE)this.iframeShim.show();Tips.addVisibile(this.wrapper);this.wrapper.show();if(!this.options.effect)this.tooltip.show();else{if(this.activeEffect)Effect.Queues.get(this.queue.scope).remove(this.activeEffect);this.activeEffect=Effect[Effect.PAIRS[this.options.effect][0]](this.effectWrapper,{duration:this.options.duration,queue:this.queue});}},hideAfter:function(event){if(!this.options.hideAfter)return;this.cancelHideAfter();this.hideAfterTimer=this.hide.bind(this).delay(this.options.hideAfter);},cancelHideAfter:function(){if(this.options.hideAfter)this.clearTimer('hideAfter');},hide:function(){this.clearTimer('show');if(!this.wrapper.visible())return;if(!this.options.effect){if(Tips.fixIE)this.iframeShim.hide();this.tooltip.hide();this.wrapper.hide();Tips.removeVisible(this.wrapper);}
else{if(this.activeEffect)Effect.Queues.get(this.queue.scope).remove(this.activeEffect);this.activeEffect=Effect[Effect.PAIRS[this.options.effect][1]](this.effectWrapper,{duration:this.options.duration,queue:this.queue,afterFinish:function(){if(Tips.fixIE)this.iframeShim.hide();this.wrapper.hide();Tips.removeVisible(this.wrapper);}.bind(this)});}},toggle:function(event){if(this.wrapper&&this.wrapper.visible())this.hide(event);else this.showDelayed(event);},position:function(event){Tips.raise(this.wrapper);var offset={left:this.options.offset.x,top:this.options.offset.y};var targetPosition=Position.cumulativeOffset(this.target);var tipd=this.wrapper.getDimensions();var pos={left:(this.options.fixed)?targetPosition[0]:Event.pointerX(event),top:(this.options.fixed)?targetPosition[1]:Event.pointerY(event)};pos.left+=offset.left;pos.top+=offset.top;if(this.options.hook){var dims={target:this.target.getDimensions(),tip:tipd}
var hooks={target:Position.cumulativeOffset(this.target),tip:Position.cumulativeOffset(this.target)}
for(var z in hooks){switch(this.options.hook[z]){case'topRight':hooks[z][0]+=dims[z].width;break;case'topMiddle':hooks[z][0]+=(dims[z].width/2);break;case'rightMiddle':hooks[z][0]+=dims[z].width;hooks[z][1]+=(dims[z].height/2);break;case'bottomLeft':hooks[z][1]+=dims[z].height;break;case'bottomRight':hooks[z][0]+=dims[z].width;hooks[z][1]+=dims[z].height;break;case'bottomMiddle':hooks[z][0]+=(dims[z].width/2);hooks[z][1]+=dims[z].height;break;case'leftMiddle':hooks[z][1]+=(dims[z].height/2);break;}}
pos.left+=-1*(hooks.tip[0]-hooks.target[0]);pos.top+=-1*(hooks.tip[1]-hooks.target[1]);}
if(!this.options.fixed&&this.element!==this.target){var elementPosition=Position.cumulativeOffset(this.element);pos.left+=-1*(elementPosition[0]-targetPosition[0]);pos.top+=-1*(elementPosition[1]-targetPosition[1]);}
if(!this.options.fixed&&this.options.viewport){var scroll=document.viewport.getScrollOffsets();var viewport=Prototip.viewport.getDimensions();var pair={left:'width',top:'height'};for(var z in pair){if((pos[z]+tipd[pair[z]]-scroll[z])>viewport[pair[z]])
pos[z]=pos[z]-tipd[pair[z]]-2*offset[z];}}
var setPos={left:pos.left+'px',top:pos.top+'px'};this.wrapper.setStyle(setPos);if(Tips.fixIE)this.iframeShim.setStyle(setPos);}});Prototip.start();