var RailCards=Class.create({initialize:function(labels){this._labels=labels;if(this._railCardSelections().size()==0){this.create()}else{this.recreate()}},_railCardSelections:function(){var values=this._railCardInformation().getValue();return values!=""?new Hash(values.evalJSON()):new Hash()},_size:function(){return new Number(this._container().readAttribute("size"))},_types:function(){return this._container().readAttribute("types").evalJSON()},_numbers:function(){return this._container().readAttribute("numbers").evalJSON()},_showLabel:function(){var label=this._container().readAttribute("label");if(!label||label.toLowerCase()=="false"){return false}return true},_disabled:function(){var disabled=this._container().readAttribute("railCardDisabled");if(!disabled||disabled.toLowerCase()=="false"){return false}return true},_defaultRailcardValue:function(){return this._container().readAttribute("defaultValue")},add:function(){this.create();this._updateRailCardInformation()},create:function(){var railCard=new Element("div",{"class":"field_container"});var railcardType=this._createRailCardType(railCard);var railcardNumbers=this._createRailCardNumbers(railCard,railcardType.id);if(this._count()>0){railCard.appendChild(new Element("span",{"class":"remove"}).update(this._createRemoveLink(railcardType.id)))}this._container().appendChild(railCard);this._handleAddButtonDisplay()},_handleAddButtonDisplay:function(){if((this._size()==this._count())||this._disabled()){this._toggleAddRailcardButtonState(false)}else{this._toggleAddRailcardButtonState(true)}},_addRailcardButton:function(){return $("addRailcard")},_createRailCardType:function(container){var that=this;var div=new Element("div");if(this._showLabel()){var cardTypeLabel=new Element("label",{"for":"railCardsType"+this.nextRailCardId()}).update(this._labels.LabelRailCard);div.appendChild(cardTypeLabel)}else{var cardTypeLabel=new Element("label",{"for":"railCardsType"+this.nextRailCardId(),"class":"hideme"}).update(this._labels.LabelRailCard+" "+(this.nextRailCardId()+1));div.appendChild(cardTypeLabel)}var comboBoxName="railCardsType_"+this.nextRailCardId();var comboBox=new Element("select",{id:comboBoxName,"class":"rail_cards_type",sibling:"railCardNumber_"+this.nextRailCardId(),name:comboBoxName});comboBox.observe("change",function(e){that._railCardTypeChanged(e.target)});var IsRailCardDisabled=this._disabled();var defaultValueRailCard=this._defaultRailcardValue();this._types().each(function(railCardType){if(!IsRailCardDisabled||railCardType.code==defaultValueRailCard){var option=new Element("option",{value:railCardType.code}).update(railCardType.name);comboBox.appendChild(option)}});if(IsRailCardDisabled&&defaultValueRailCard==""){comboBox.disabled=true}div.appendChild(comboBox);container.appendChild(div);return comboBox},_createRailCardNumbers:function(container,railCardTypeId){var that=this;var div=new Element("div",{"class":"two_col_2"});if(this._showLabel()){var cardNumberLabel=new Element("label",{"for":"railCardNumber_"+this.nextRailCardId(),"class":"side"}).update(this._labels.LabelHowMany);div.appendChild(cardNumberLabel)}else{var cardNumberLabel=new Element("label",{"for":"railCardNumber_"+this.nextRailCardId(),"class":"hideme"}).update(this._labels.LabelHowManyOfRailcard+" "+(this.nextRailCardId()+1)+"?");div.appendChild(cardNumberLabel)}var comboBox=new Element("select",{id:"railCardNumber_"+this.nextRailCardId(),"class":"railCardNumbers",sibling:railCardTypeId,name:"railCardNumber_"+this.nextRailCardId()});comboBox.observe("change",function(e){that._railCardNumberChanged(e.target)});this._numbers().each(function(railCardNumber){var option=new Element("option",{value:railCardNumber.key}).update(railCardNumber.value);comboBox.appendChild(option)});div.appendChild(comboBox);container.appendChild(div);return comboBox},_createRemoveLink:function(railcardTypeId){var that=this;var link=new Element("a",{id:"railcardRemoveLink","class":"removehlink",href:"javascript:void(0);",sibling:railcardTypeId}).update(this._labels.LabelRemove);$(link).observe("click",function(e){that._removeHandler(e.target)});return link},_railCardTypeChanged:function(elem){this._updateRailCardCount(elem);this._updateRailCardInformation()},_updateRailCardCount:function(elem){var sibling=this._sibling(elem);if(elem.getValue()=="None"){sibling.setValue("0")}else{if(sibling.getValue()=="0"){sibling.setValue("1")}}},_railCardInformation:function(){return $("railCardInformation")},_railCardNumberChanged:function(elem){this._updateRailCardType(elem);this._updateRailCardInformation()},_updateRailCardType:function(elem){elem.getValue()=="0"&&this._sibling(elem).setValue("None")},_removeHandler:function(elem){this.remove(elem);this._updateRailCardInformation();this._toggleAddRailcardButtonState(true)},remove:function(link){$(link).up("div").remove()},nextRailCardId:function(){if($$(".railCardNumbers").size()==0){return 0}var max=0;$$(".railCardNumbers").each(function(railCardNumber){id=parseInt(railCardNumber.id.split("_")[1]);if(id>max){max=id}});return max+1},recreate:function(){var that=this;var defaultRailcardValue=this._defaultRailcardValue();this._railCardSelections().each(function(railCardSelected){that.create();var _id=railCardSelected.key.split("_")[1];var index=that._count()-1;var type=that._railCardsType()[index];type.id="railCardsType_"+_id;that._sibling(type,"railCardNumber_"+_id);var number=that._railCardNumbers()[index];number.id="railCardNumber_"+_id;that._sibling(number,"railCardsType_"+_id);if($$(".removehlink").size()>0){that._sibling($$(".removehlink")[$$(".removehlink").size()-1],"railCardsType_"+_id)}if(railCardSelected.value.code!=""){type.setValue(railCardSelected.value.code)}else{type.setValue(defaultRailcardValue)}number.setValue(railCardSelected.value.number);that._container().show()})},_sibling:function(elem,attribute){return attribute?$(elem).writeAttribute("sibling",attribute):$($(elem).readAttribute("sibling"))},_container:function(){return $("railCards")},_count:function(){return this._railCardsType().length},_railCardsType:function(){return $$(".rail_cards_type")},_railCardNumbers:function(){return $$(".railCardNumbers")},_updateRailCardInformation:function(){var that=this;var railCardSelections=new Hash();this._railCardsType().each(function(railCardType){var railCardSelection=new Hash();railCardSelection.set("code",railCardType.getValue());railCardSelection.set("number",that._sibling(railCardType).getValue());railCardSelections.set(railCardType.id,railCardSelection)});this._railCardInformation().setValue(railCardSelections.toJSON())},total:function(){var total=0;this._railCardNumbers().each(function(number){total+=new Number(number.getValue())});return total},_toggleAddRailcardButtonState:function(makeButtonVisible){var railcardAddButtonParentElement=this._addRailcardButton().up("span");if(makeButtonVisible){railcardAddButtonParentElement.show();this._addRailcardButton().enable()}else{railcardAddButtonParentElement.hide();this._addRailcardButton().disable()}},_railcardsMainContainer:function(){return $("railCardsContainer")},enable:function(selection){if(selection){if(this._count()==0){this.create()}this._railcardsMainContainer().show()}else{this._railcardsMainContainer().hide();this.removeAll()}},removeAll:function(){this._container().immediateDescendants().each(function(ele){$(ele).remove()});this._railCardInformation().setValue("")}});document.observe("dom:loaded",function(){$("railCards").show();$("addRailCardDiv").show()});