/*!
 * jQuery Selectbox plugin 0.1.1
 *
 * Copyright 2011, Dimitar Ivanov (http://www.bulgaria-web-developers.com/projects/javascript/selectbox/)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 * 
 * Date: Fri Mar 11 19:54:23 2011 +0200
 */
(function($,undefined){var PROP_NAME="selectbox",FALSE=false,TRUE=true;function Selectbox(){this._state=[];this._defaults={classHolder:"sbHolder",classHolderDisabled:"sbHolderDisabled",classSelector:"sbSelector",classOptions:"sbOptions",classToggleOpen:"sbToggleOpen",classToggle:"sbToggle",effect:"slide",onChange:null,onOpen:null,onClose:null};}$.extend(Selectbox.prototype,{_isOpenSelectbox:function(target){if(!target){return FALSE;}var inst=this._getInst(target);return inst.isOpen;},_isDisabledSelectbox:function(target){if(!target){return FALSE;}var inst=this._getInst(target);return inst.isDisabled;},_attachSelectbox:function(target,settings){if(this._getInst(target)){return FALSE;}var $target=$(target),self=this,inst=self._newInst($target),sbHolder,sbSelector,sbToggle,sbOptions,s=FALSE,opts=$target.find("option"),olen=opts.length;$target.attr("sb",inst.uid);$.extend(inst.settings,self._defaults,settings);self._state[inst.uid]=FALSE;$target.hide();sbHolder=$("<div>",{id:"sbHolder_"+inst.uid,"class":inst.settings.classHolder,focusin:function(){var key,uid=$(this).attr("id").split("_")[1];for(key in self._state){if(key!==uid){if(self._state.hasOwnProperty(key)){if($(":input[sb='"+key+"']")[0]){self._closeSelectbox($(":input[sb='"+key+"']")[0]);}}}}}});sbSelector=$("<a>",{id:"sbSelector_"+inst.uid,href:"#","class":inst.settings.classSelector,click:function(e){e.preventDefault();var uid=$(this).attr("id").split("_")[1];if(self._state[uid]){self._closeSelectbox(target);}else{self._openSelectbox(target);}}});sbToggle=$("<a>",{id:"sbToggle_"+inst.uid,href:"#","class":inst.settings.classToggle,click:function(e){e.preventDefault();var uid=$(this).attr("id").split("_")[1];if(self._state[uid]){self._closeSelectbox(target);}else{self._openSelectbox(target);}}});sbToggle.appendTo(sbHolder);sbOptions=$("<ul>",{id:"sbOptions_"+inst.uid,"class":inst.settings.classOptions,css:{display:"none"}});opts.each(function(i){var that=$(this),li=$("<li>");if(that.is(":selected")){sbSelector.text(that.text());s=TRUE;}if(i===olen-1){li.addClass("last");}$("<a>",{href:"#"+that.val(),rel:that.val(),text:that.text(),click:function(e){e.preventDefault();var t=sbToggle,uid=t.attr("id").split("_")[1];self._changeSelectbox(target,$(this).attr("rel"),$(this).text());self._closeSelectbox(target);}}).appendTo(li);li.appendTo(sbOptions);});if(!s){sbSelector.text(opts.first().text());}$.data(target,PROP_NAME,inst);sbSelector.appendTo(sbHolder);sbOptions.appendTo(sbHolder);sbHolder.insertAfter($target);},_detachSelectbox:function(target){var inst=this._getInst(target);if(!inst){return FALSE;}$("#sbHolder_"+inst.uid).remove();$.data(target,PROP_NAME,null);$(target).show();},_changeSelectbox:function(target,value,text){var inst=this._getInst(target),onChange=this._get(inst,"onChange");$("#sbSelector_"+inst.uid).text(text);$(target).children("option[value='"+value+"']").attr("selected",TRUE);if(onChange){onChange.apply((inst.input?inst.input[0]:null),[value,inst]);}else{if(inst.input){inst.input.trigger("change");}}},_enableSelectbox:function(target){var inst=this._getInst(target);if(!inst||!inst.isDisabled){return FALSE;}$("#sbHolder_"+inst.uid).removeClass(inst.settings.classHolderDisabled);inst.isDisabled=FALSE;$.data(target,PROP_NAME,inst);},_disableSelectbox:function(target){var inst=this._getInst(target);if(!inst||inst.isDisabled){return FALSE;}$("#sbHolder_"+inst.uid).addClass(inst.settings.classHolderDisabled);inst.isDisabled=TRUE;$.data(target,PROP_NAME,inst);},_optionSelectbox:function(target,name,value){var inst=this._getInst(target);if(!inst){return FALSE;}inst[name]=value;$.data(target,PROP_NAME,inst);},_openSelectbox:function(target){var inst=this._getInst(target);if(!inst||inst.isOpen||inst.isDisabled){return;}var el=$("#sbOptions_"+inst.uid),viewportHeight=parseInt($(window).height(),10),offset=$("#sbHolder_"+inst.uid).offset(),scrollTop=$(window).scrollTop(),height=el.prev().height(),diff=viewportHeight-(offset.top-scrollTop)-height/2,onOpen=this._get(inst,"onOpen");el.css({top:height+"px",maxHeight:(diff-height)+"px"});inst.settings.effect==="fade"?el.fadeIn():el.slideDown();$("#sbToggle_"+inst.uid).addClass(inst.settings.classToggleOpen);this._state[inst.uid]=TRUE;inst.isOpen=TRUE;if(onOpen){onOpen.apply((inst.input?inst.input[0]:null),[inst]);}$.data(target,PROP_NAME,inst);},_closeSelectbox:function(target){var inst=this._getInst(target);if(!inst||!inst.isOpen){return;}var onClose=this._get(inst,"onClose");inst.settings.effect==="fade"?$("#sbOptions_"+inst.uid).fadeOut():$("#sbOptions_"+inst.uid).slideUp();$("#sbToggle_"+inst.uid).removeClass(inst.settings.classToggleOpen);this._state[inst.uid]=FALSE;inst.isOpen=FALSE;if(onClose){onClose.apply((inst.input?inst.input[0]:null),[inst]);}$.data(target,PROP_NAME,inst);},_newInst:function(target){var id=target[0].id.replace(/([^A-Za-z0-9_-])/g,"\\\\$1");return{id:id,input:target,uid:Math.floor(Math.random()*99999999),isOpen:FALSE,isDisabled:FALSE,settings:{}};},_getInst:function(target){try{return $.data(target,PROP_NAME);}catch(err){throw"Missing instance data for this selectbox";}},_get:function(inst,name){return inst.settings[name]!==undefined?inst.settings[name]:this._defaults[name];}});$.fn.selectbox=function(options){var otherArgs=Array.prototype.slice.call(arguments,1);if(typeof options=="string"&&options=="isDisabled"){return $.selectbox["_"+options+"Selectbox"].apply($.selectbox,[this[0]].concat(otherArgs));}if(options=="option"&&arguments.length==2&&typeof arguments[1]=="string"){return $.selectbox["_"+options+"Selectbox"].apply($.selectbox,[this[0]].concat(otherArgs));}return this.each(function(){typeof options=="string"?$.selectbox["_"+options+"Selectbox"].apply($.selectbox,[this].concat(otherArgs)):$.selectbox._attachSelectbox(this,options);});};$.selectbox=new Selectbox();$.selectbox.version="0.1.1";})(jQuery);