function WizardException(message){this.name='WizardException';this.message=message;}
MooTools.lang.set('it-IT','Wizard',{forwardButtonTitle:'Avanti',backwardButtonTitle:'Indietro',resetButtonTitle:'Annulla',submitButtonTitle:'Salva'});MooTools.lang.set('en-US','Wizard',{forwardButtonTitle:'Next',backwardButtonTitle:'Previous',resetButtonTitle:'Reset',submitButtonTitle:'Submit'});var FormWizard=new Class({"Implements":Options,"version":"0.3","options":{"formClass":"wizard","pageClass":"wizard-page","defaultButtonClass":"wizard-button","controlAreaClass":"wizard-control-area","currentPageClassPrefix":"wizard-current","firstPage":1,"createControlArea":false,"wizardControls":["reset","backward","forward"],"showControlCaptions":true,"controls":{"submit":{"hook":"wizard-control-submit","title":MooTools.lang.get("Wizard","submitButtonTitle")},"forward":{"hook":"wizard-control-forward","title":MooTools.lang.get("Wizard","forwardButtonTitle")},"backward":{"hook":"wizard-control-backward","title":MooTools.lang.get("Wizard","backwardButtonTitle")},"reset":{"hook":"wizard-control-reset","title":MooTools.lang.get("Wizard","resetButtonTitle")}},"enterLastPage":null,"pageFlip":null},"domElement":null,"pages":[],"currentPageIndex":0,"lastPageIndex":0,"controls":{"submit":{"action":function(){}},"forward":{"action":function(){return this.changePage(this.currentPageIndex+1);}},"backward":{"action":function(){return this.changePage(this.currentPageIndex-1);}},"reset":{"action":function(){return this.resetForm();}}},initialize:function(form,options,pageFlow){var button,buttonElement;if(!pageFlow)pageFlow={};form=document.id(form);if(!form)throw(new WizardException("Wizard container not found"));this.domElement=form;this.setOptions(options);if(form.hasClass(this.options.formClass))throw(new WizardException("Wizard container already primed"));this.options.firstPage=Math.max(this.options.firstPage-1,0);this.currentPageIndex=this.options.firstPage;form.addClass(this.options.formClass);form.addClass(this.options.currentPageClassPrefix+"-"+this.currentPageIndex);form.addClass(this.options.currentPageClassPrefix+"-first");var collection=form.getChildren("."+this.options.pageClass);collection.setStyle("display","none");collection.each(function(item){var page={domElement:item};page.onEnterPage=pageFlow[item.id]?[pageFlow[item.id].onEnter,Function.from(true)].pick():Function.from(true);page.onExitPage=pageFlow[item.id]?[pageFlow[item.id].onExit,Function.from(true)].pick():Function.from(true);this.pages.push(page);},this);this.lastPageIndex=this.pages.length-1;collection[this.options.firstPage].setStyle("display","");if(this.options.enterLastPage!==null){this.pages[this.lastPageIndex]["onEnterPage"]=this.options.enterLastPage;}
if(this.options.createControlArea){var controlArea=new Element("div",{"class":this.options.controlAreaClass});for(i=0,limit=this.options.wizardControls.length;i<limit;i++){button=this.options.controls[this.options.wizardControls[i]];(new Element("button",{"html":this.options.showControlCaptions?button.title:"","class":[button.hook,[button.buttonClass,this.options.defaultButtonClass].pick()].join(" "),"events":{"click":this.controls[this.options.wizardControls[i]].action.bind(this)}})).inject(controlArea);}
form.adopt(controlArea);}else{for(i=0,limit=this.options.wizardControls.length;i<limit;i++){button=this.options.controls[this.options.wizardControls[i]];buttonElements=form.getElements("."+button.hook);if(buttonElements.length){buttonElements.addEvent("click",this.controls[this.options.wizardControls[i]].action.bind(this));}else{throw(new WizardException("Button not found: "+button.hook));}}}},changePage:function(targetPageIndex){var leavePermission,enterPermission;if(!this.pages[targetPageIndex])return false;leavePermission=this.pages[this.currentPageIndex].onExitPage(targetPageIndex,this.currentPageIndex);if(leavePermission===false)return false;if(leavePermission!==true){targetPageIndex=leavePermission;}
enterPermission=this.pages[targetPageIndex].onEnterPage(targetPageIndex,this.currentPageIndex);while(enterPermission!==true&&enterPermission!==false){targetPageIndex=enterPermission;enterPermission=this.pages[targetPageIndex].onEnterPage(targetPageIndex,this.currentPageIndex);}
if(enterPermission){this.swap(this.pages[this.currentPageIndex].domElement,this.pages[targetPageIndex].domElement);this.changeCurrentPageClass(targetPageIndex,this.currentPageIndex);this.currentPageIndex=targetPageIndex;}
return false;},changeCurrentPageClass:function(newPageIndex,currentPageIndex){var currentPageClass=this.options.currentPageClassPrefix;if(currentPageIndex==newPageIndex)return;if(this.pages[newPageIndex]){this.domElement.set("class",this.domElement.get("class").replace(currentPageClass+"-"+currentPageIndex,currentPageClass+"-"+newPageIndex));if(currentPageIndex==this.lastPageIndex||newPageIndex==this.lastPageIndex){this.domElement.toggleClass(currentPageClass+"-last");}
if(currentPageIndex==this.options.firstPage||newPageIndex==this.options.firstPage){this.domElement.toggleClass(currentPageClass+"-first");}}},resetForm:function(){this.domElement.reset();this.swap(this.pages[this.currentPageIndex].domElement,this.pages[this.options.firstPage].domElement);this.changeCurrentPageClass(this.options.firstPage,this.currentPageIndex);this.currentPageIndex=this.options.firstPage;return false;},swap:function(from,to){from.setStyle("display","none");to.setStyle("display","");}});