/*
 * jQuery selectbox plugin
 *
 * Copyright (c) 2007 Sadri Sahraoui (brainfault.com)
 * Licensed under the GPL license and MIT:
 *   http://www.opensource.org/licenses/GPL-license.php
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * The code is inspired from Autocomplete plugin (http://www.dyve.net/jquery/?autocomplete)
 *
 * Revision: $Id$
 * Version: 0.4
 * 
 * Changelog :
 *  - Fix width when the select is in a hidden div   @Pawel Maziarz
 *  - Add a unique id for generated li to avoid conflict with other selects and empty values @Pawel Maziarz
 */
jQuery.fn.extend({
	selectbox: function(options) {
		return this.each(function() {
			new jQuery.SelectBox(this, options);
		});
	}
});


/* pawel maziarz: work around for ie logging */
if (!window.console) {
	var console = {
		log: function(msg) { 
	 }
	}
}
/* */

jQuery.SelectBox = function(selectobj, options) {
	
	var opt = options || {};
	opt.inputClass = opt.inputClass || "selectbox";
	opt.containerClass = opt.containerClass || "selectbox-wrapper";
	opt.hoverClass = opt.hoverClass || "selected";
	opt.debug = opt.debug || false;
	
	var elm_id = selectobj.id;
	var active = -1;
	var inFocus = false;
	var hasfocus = 0;
	//jquery object for select element
	var $select = $(selectobj);
	// jquery container object
	var $container = setupContainer(opt);
	//jquery input object 
	var $input = setupInput(opt);
	// hide select and append newly created elements
	$select.hide().before($input).before($container);
	
	
	init();
	
	$input
	.click(function(){
        if (!inFocus) {
		  $container.toggle();
		}
	})
	.focus(function(){
	   if ($container.not(':visible')) {
	       inFocus = true;
	       $container.show();
	   }
	})
	.keydown(function(event) {	   
		switch(event.keyCode) {
			case 38: // up
				event.preventDefault();
				moveSelect(-1);
				break;
			case 40: // down
				event.preventDefault();
				moveSelect(1);
				break;
			//case 9:  // tab 
			case 13: // return
				event.preventDefault(); // seems not working in mac !
				setCurrent();
				hideMe();
				break;
		}
	})
	.blur(function() {
		if ($container.is(':visible') && hasfocus > 0 ) {
			if(opt.debug) console.log('container visible and has focus')
		} else {
			hideMe();	
		}
	});


	function hideMe() { 
		hasfocus = 0;
		$container.hide(); 
	}
	
	function init() {
		$container.append(getSelectOptions($input.attr('id'))).hide();
		var width = $input.css('width');
		$container.width(width);
    }
	
	function setupContainer(options) {
		var container = document.createElement("div");
		$container = $(container);
		$container.attr('id', elm_id+'_container');
		$container.addClass(options.containerClass);
		
		return $container;
	}
	
	function setupInput(options) {
		
		var input = document.createElement("input");
		var $input = $(input);
		$input.attr("id", elm_id+"_input");
		$input.attr("type", "text");
		$input.addClass(options.inputClass);
		$input.attr("autocomplete", "off");
		$input.attr("readonly", "readonly");
		$input.attr("tabIndex", $select.attr("tabindex")); // "I" capital is important for ie
		
		return $input;	
		
	}
	
	function moveSelect(step) {
		var lis = $("li", $container);
		if (!lis) return;

		active += step;

		if (active < 0) {
			active = 0;
		} else if (active >= lis.size()) {
			active = lis.size() - 1;
		}

		 lis.removeClass(opt.hoverClass);
		 $(lis[active]).addClass(opt.hoverClass);
		  
	}
	function getLinkByID(val)
	{
		var myLink;
		switch(val)
		{
		  case "1":
		  	myLink="http://www.hurriyet.com.tr/magazin/";
		  break;
		  case "2":
		    myLink="http://www.hurriyet.com.tr/ankara/";
		  break;
		  case "3":
		  	myLink="http://www.hurriyet.com.tr/ege/";
		  break;
		  case "4":
		    myLink="http://www.hurriyet.com.tr/cumartesi/";
		  break;
		  case "5":
		    myLink="http://www.hurriyet.com.tr/pazar/";
		  break;
		  case "6":
		  	myLink="http://www.hurriyet.com.tr/seyahat/";
		  break;
		  case "7":
		    myLink="http://www.hurriyet.com.tr/otoyasam/";
		  break;
		  case "8":
		    myLink="http://www.yenibiris.com/HurriyetIK/";
		  break;
		  case "9":
		    myLink="http://www.hurriyet.com.tr/cuma/";
		  break;
		  default:
		  	myLink="";
		}
		return myLink;
	}
	
	function setCurrent() {
	   
		var li = $("li."+opt.hoverClass, $container).get(0);
		var ar = (''+li.id).split('_');
		var el = ar[ar.length-1];
		$select.val(el);
		$input.val($(li).html());
		$("#gazeteEklerForm").attr("action",getLinkByID(el));
		$("#gazeteEklerForm").submit();
		return true;
	}
	
	// select value
	function getCurrentSelected() {
	
		return $select.val();
	}
	
	// input value
	function getCurrentValue() {
		return $input.val();
	}
	function getQueryVariables(variable) 
	{  
	var query = window.location.search.substring(1);  
	var vars = query.split("&");  
	for (var i=0;i<vars.length;i++) 
	{    
	var pair = vars[i].split("=");    
	if (pair[0] == variable) 
	{      
	return pair[1];    
	}  
	}   
	}
	
	function getSelectOptions(parentid) {
	     
       
		var select_options = new Array();
		var ul = document.createElement('ul');
		$select.children('option').each(function() {
			var li = document.createElement('li');
			li.setAttribute('id', parentid + '_' + $(this).val());

			li.innerHTML = $(this).html();
			
			 if(getQueryVariables('s')==1)
             {
                var sSc=getQueryVariables('w');
                if($(this).val()==sSc) 
                {
             	$input.val($(this).html());
				$(li).addClass(opt.hoverClass);
                }
             }
             else if ($(this).is(':selected')) {
				$input.val($(this).html());
				$(li).addClass(opt.hoverClass);
			 }
			 $select.val(sSc);
			if($(this).val()!=0)
			{
			if($(this).val()==1)
			{
			$(li).addClass(opt.hoverClass);
			}
			ul.appendChild(li);
			$(li)
			.mouseover(function(event) {
				hasfocus = 1;
				if (opt.debug) console.log('out on : '+this.id);
				jQuery(event.target, $container).addClass(opt.hoverClass);
			})
			.mouseout(function(event) {
				hasfocus = -1;
				if (opt.debug) console.log('out on : '+this.id);
				jQuery(event.target, $container).removeClass(opt.hoverClass);
			})
			.click(function(event) {
				if (opt.debug) console.log('click on :'+this.id);
				$(this).addClass(opt.hoverClass);
				setCurrent();
				hideMe();
			});
			}
		});
		return ul;
	}
	
};