/* jQuery - jcDate v1.0 */
;(function($){
	$.fn.jcDate = function(options) {
		var defaults = {
			IcoClass : "jcDateIco",
			Event : "click",
			Speed : 100,
			Left : 0,
			Top : 38,
			format : "/",
			Timeout : 100
		};
		var options = $.extend(defaults,options);
		return this.each(function() {
			if($("#jcDate").length == 0){
				$("body").prepend("<div id='jcDate'><input type='hidden' value='' id='dateHideText' /><div id='jcDateTt'><a id='d_prev'></a><div><span></span><b>年</b><samp></samp><b>月</b></div><a id='d_next'></a></div><dl id='jcYeas'></dl><dl id='jcMonth'></dl><div id='jcDayWrap'><dl id='jcDayCon'></dl><div id='jcDateMax'><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul><ul></ul></div><div id='jcDateBtn'><samp>今天</samp><span>清空</span><a id='d_sub'>确定</a><div id='jcTimeWrap'><input type='text' value='' /><label>:</label><input type='text' value='' /></div></div></div></div>");
			};
		
            var $dateInput = $(this),
			     $window = $(window),
			     dateObj = new Date(),
				 $jcDate = $("#jcDate"),
				 inputOffLeft = $(this).offset().left,
				 inputOfftop = $(this).offset().top,
				 $year = $("#jcDateTt").find("span"),
				 $month = $("#jcDateTt").find("samp"),
				 $b = $("#jcDateTt").find("b"),
				 $jcDateMax = $("#jcDateMax"),
				 $weekFrame = $("#jcDayCon"),
				 $DateBtn = $("#jcDateBtn"),
				 $jcYeas = $("#jcYeas"),
				 $jcMonth = $("#jcMonth"),
				 $Now = $DateBtn.find("samp"),
				 $clear = $DateBtn.find("span"),
				 $jcDayWrap = $("#jcDayWrap"),
				 $dayFrame = $jcDayWrap.find("ul"),
				 $submit = $DateBtn.find("a#d_sub"),
				 $HiddenText = $("input#dateHideText"),
				 $jcTimeWrap = $("#jcTimeWrap"),
				 $hh = $jcTimeWrap.find("input:eq(0)"),
				 $mm = $jcTimeWrap.find("input:eq(1)"),
				 $d_prev = $("#d_prev"),
				 $d_next = $("#d_next"),
				 // 获取当前时间
				 _year = parseInt(dateObj.getFullYear()),
				 _month = dateObj.getMonth() + 1,
				 _date = dateObj.getDate(),
				 week = dateObj.getDay(),
				 days = [ "日","一 ","二 ","三 ","四 ","五 ","六 "],
				 _day = days[week],
				 _hours = dateObj.getHours(),
				 _minutes = dateObj.getMinutes(),
				 weekDl = "",
				 yearDl = "<dd class='visited'>"+_year+"年"+"</dd>",
				 monthDl = "",
				 $ul = "",
				 _idx = 0,
				 defInfo = "",
				 getDateCount = function(y, m){
			    	 return [31, y % 4 == 0 && y % 100 != 0  || y % 400 == 0 ? 29 : 28 ,31,30,31,30,31,31,30,31,30,31][ m+1 ];
				 };
			// 赋值数据 
			$hh.val("00");
			$mm.val("00");
			for(var w = 0 in days) {
				weekDl = weekDl + "<dt>" + days[w] + "</dt>";
			};
			$weekFrame.html(weekDl);
			var NowY = _year,
				yArr = new Array(),
				mArr = new Array();
			for(var lys = 0; lys < 9 ; lys++ ){
				lastyear = NowY - (lys+1);
				yArr.push("<dt>"+lastyear+"年"+"</dt>")
			};
		    yArr.reverse();
			var dtf = ysArr(yArr);
            yArr.length = 0;
			for(var fys = 0; fys < 8 ; fys++ ){
				firstyear = NowY + (fys+1);
				yArr.push("<dt>"+firstyear+"年"+"</dt>")
			};
			var dtl = ysArr(yArr);
			$jcYeas.html(dtf+yearDl+dtl);
			function ysArr(arr){
				var $Dts = "";
				for(var index = 0 in arr){
					$Dts = $Dts + arr[index];
				};
				return $Dts
			};
			for(var ms = 1; ms <= 12; ms++ ){
				if(ms == _month){
					mArr.push("<dt class='visited'>" + ms + "月" +"</dt>");
				} else {
					mArr.push("<dt>" + ms + "月" +"</dt>");
				};
			};
			for(var mA = 0 in mArr){
				monthDl += mArr[mA];
			};
			$jcMonth.html(monthDl)
			function shFade(show,hide,hide2,bool,index){
				var fadeSpeed = options.speed;
				hide.fadeOut(fadeSpeed);
				hide2.fadeOut(fadeSpeed);
				show.delay(fadeSpeed*2).fadeIn(fadeSpeed);
				if(bool){
					$("#d_prev,#d_next").fadeOut(fadeSpeed);
					$b.eq(index).hide();
				} else {
					$("#d_prev,#d_next").fadeIn(fadeSpeed);
					$b.show();
					$year.show();
					$month.show();
				};
			};
			$year.die().live("click",function(){
				$(this).addClass("visited").next("samp").removeClass("visited");
				shFade($jcYeas,$jcDayWrap,$jcMonth,true,1);
				$year.show();
				$month.hide();
			});
			$("#jcYeas dd,#jcYeas dt").die().live("click",function(){
				var y = parseInt($(this).text());
				Traversal(y);
				$year.text(y);
				shFade($jcDayWrap,$jcYeas,$jcMonth,false);
			});
			$month.die().live("click",function(){
                $(this).addClass("visited").prev().removeClass("visited");
				shFade($jcMonth,$jcDayWrap,$jcYeas,true,0);	
				$month.show();
				$year.hide();
			});
			$jcMonth.find("dt").die().live("click",function(){
				var m = parseInt($(this).text());
				mAnimate(m-1);
				$month.text(m);
				shFade($jcDayWrap,$jcYeas,$jcMonth,false);
			});
			function Traversal(Ty){
				$year.text(Ty);
				for(var m = 0; m < $dayFrame.length; m++){
					var dayLi = "",
						$fLi = "",
						$lLi = "",
						firstLi = "",
						lastDay = 0,
						yearWeek = new Date(Ty,m,1).getDay();
					getDateCount(Ty,m-2) == undefined ? fristDay = 31 : fristDay = getDateCount(Ty,m-2);
					for(var d = 1; d <= getDateCount(Ty,m-1); d++){
						dayLi = dayLi + "<li class='jcDateColor'>"+ d +"</li>";
					};
					for(var f = 0 ; f < yearWeek; f++){
						firstLi += "<li>"+ fristDay +"</li>,";
						fristDay--;
					};
					for(var l = 0 ; l <= 42-(d+yearWeek); l++ ){
						lastDay = l + 1;
						$lLi += "<li>"+lastDay+"</li>";
					};
					fLiArr = firstLi.split(",").reverse();
					for(var arr = 0 in fLiArr){
						$fLi += fLiArr[arr];
					};
					$addLi = $fLi + dayLi + $lLi;
					$dayFrame.eq(m).html($addLi);
					
				};
			};
			mAnimate(_month-1);
			//功能方法
			$d_prev.die().live("click",function(){
				_idx = $dayFrame.filter(".dateV").index();
            	if( _idx > 0){
					_idx --;
				} else {
					var _Tyear = parseInt($year.text());
					_Tyear--;
					Traversal(_Tyear);
					_idx = $dayFrame.length-1;
				};
				mAnimate(_idx);
			});
			$d_next.die().live("click",function(){
				_idx = $dayFrame.filter(".dateV").index();
            	if( _idx < $dayFrame.length-1){
					_idx ++;
				} else {
					var _Tyear = parseInt($year.text());
					_Tyear++;
					Traversal(_Tyear);
					_idx = 0;
				};
				mAnimate(_idx);		
			});
			function mAnimate(index){
				$dayFrame.eq(index).addClass("dateV").siblings().removeClass("dateV");
				$month.text(index+1);
				$jcDateMax.animate({ "left":-index*144},options.Speed);
			};
			function today(y,m,d){
				$year.text(y);
				$month.text(m);
				Traversal(y);
				$.each($dayFrame.eq(m-1).find("li"),function(){
					if($(this).hasClass("jcDateColor")){
						$dayFrame.eq(m-1).find("li.jcDateColor").eq(d-1).addClass("visited");
					};
				});
				$HiddenText.val(_date);
                $dayFrame.eq(m-1).find("li").text();
				mAnimate(m-1);
			};
			function clearVisited(){
				$.each($("li.jcDateColor",$dayFrame),function(){
					if($(this).hasClass("visited")){
						$(this).removeClass("visited");
					};										  
				});
			};
			today(_year,_month,_date);
			$dayFrame.undelegate("li.jcDateColor","click").delegate("li.jcDateColor","click",function(){
				clearVisited();
				$(this).addClass("visited");
				$HiddenText.val(parseInt($(this).text()))
			});
			$dayFrame.undelegate("li.jcDateColor","dblclick").delegate("li.jcDateColor","click",function(){
				submitDate();
			});
			$Now.die().live("click",function(){
				today(_year,_month,_date);				 
			});
			$clear.die().live("click",function(){
				$("input.dateVisited").val("");
			});
			$submit.die().live("click",function(){
				submitDate();
			});
			function submitDate(){
				var Sy = $year.text(),
				    Sm = $month.text(),
					Sd = $HiddenText.val();
				NowDateArr = new Array(Sy,Sm,Sd);
				dateInfo =NowDateArr.join(options.format);
				if($hh.val() != "00" || $mm.val() != "00" ){
					var Sh = $hh.val(),
					    Sm = $mm.val();
					NowDateArr.push(Sh+":"+Sm);
					printDate = NowDateArr.join(options.format).substring(),
					format = printDate.split("/");
					dateInfo = format[0]+options.format+format[1]+options.format+format[2]+" "+format[3]
				};
				$("input.dateVisited").val(dateInfo);
				closeDate();
			};
			$dateInput.addClass(options.IcoClass)
			          //.val(defInfo)
			          .die()
					  .live(options.Event,function(e){
						  $(this).addClass("dateVisited");
						  //$jcDate.css({ "left" : e.pageX+(options.Left),"top" : e.pageY+(options.Top) });
						  var iof = $(this).offset();
						  $jcDate.css({ "left" : iof.left+options.Left,"top" : iof.top+options.Top });
					      $jcDate.show(options.Speed);
						  $jcDayWrap.show();
						  $jcYeas.hide();
						  $jcMonth.hide();
						  $("#d_prev,#d_next").show();
					      $year.show();
					      $month.show();
						  $b.show();
					  });
			$jcDate.die().live("mouseleave",function(){
                setTimeout(closeDate,options.Timeout);
			});
			function closeDate(){
				$("input.dateVisited").removeClass("dateVisited");
				$jcDate.hide(options.Speed);
			};
		});
	};
})(jQuery)