/*MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006-2007 Valerio Proietti, <http://mad4milk.net>, MIT Style License.||Clientcide Copyright (c) 2006-2008, http://www.clientcide.com/wiki/cnet-libraries#license*/

var MultipleOpenAccordion=new Class({Implements:[Options,Events,Chain],options:{togglers:[],elements:[],openAll:false,firstElementsOpen:[0],fixedHeight:false,fixedWidth:false,height:true,opacity:true,width:false},togglers:[],elements:[],initialize:function(options){var args=Array.link(arguments,{options:Object.type,elements:Array.type});this.setOptions(args.options);elements=$$(this.options.elements);$$(this.options.togglers).each(function(toggler,idx){this.addSection(toggler,elements[idx],idx)},this);if(this.togglers.length){if(this.options.openAll)this.showAll();else this.toggleSections(this.options.firstElementsOpen,false,true)}this.openSections=this.showSections.bind(this);this.closeSections=this.hideSections.bind(this)},addSection:function(toggler,element){toggler=$(toggler);element=$(element);var test=this.togglers.contains(toggler);var len=this.togglers.length;this.togglers.include(toggler);this.elements.include(element);var idx=this.togglers.indexOf(toggler);toggler.addEvent('click',this.toggleSection.bind(this,idx));var mode;if(this.options.height&&this.options.width)mode="both";else mode=(this.options.height)?"vertical":"horizontal";element.store('reveal',new Fx.Reveal(element,{transitionOpacity:this.options.opacity,mode:mode,heightOverride:this.options.fixedHeight,widthOverride:this.options.fixedWidth}));return this},onComplete:function(idx,callChain){this.fireEvent(this.elements[idx].isDisplayed()?'onActive':'onBackground',[this.togglers[idx],this.elements[idx]]);this.callChain();return this},showSection:function(idx,useFx){this.toggleSection(idx,useFx,true)},hideSection:function(idx,useFx){this.toggleSection(idx,useFx,false)},toggleSection:function(idx,useFx,show,callChain){var method=show?'reveal':$defined(show)?'dissolve':'toggle';callChain=$pick(callChain,true);var el=this.elements[idx];if($pick(useFx,true)){el.retrieve('reveal')[method]().chain(this.onComplete.bind(this,[idx,callChain]))}else{if(method=="toggle")el.togglek();else el[method=="reveal"?'show':'hide']();this.onComplete(idx,callChain)}return this},toggleAll:function(useFx,show){var method=show?'reveal':$chk(show)?'disolve':'toggle';var last=this.elements.getLast();this.elements.each(function(el,idx){this.toggleSection(idx,useFx,show,el==last)},this);return this},toggleSections:function(sections,useFx,show){last=sections.getLast();this.elements.each(function(el,idx){this.toggleSection(idx,useFx,sections.contains(idx)?show:!show,idx==last)},this);return this},showSections:function(sections,useFx){sections.each(function(i){this.showSection(i,useFx)},this)},hideSections:function(sections,useFx){sections.each(function(i){this.hideSection(i,useFx)},this)},showAll:function(useFx){return this.toggleAll(useFx,true)},hideAll:function(useFx){return this.toggleAll(useFx,false)}});