/*!
 * Datepicker v0.1.0
 * https://github.com/fengyuanchen/datepicker
 *
 * Copyright 2014 Fengyuan Chen
 * Released under the MIT license
 */

!function(a){"function"==typeof define&&define.amd?define(["jquery"],a):a(jQuery)}(function(a){"use strict";var b=a(window),c=a(document),d=function(b,c){this.$element=a(b),this.defaults=a.extend({},d.defaults,this.$element.data(),a.isPlainObject(c)?c:{}),this.init()};d.prototype={constructor:d,init:function(){var b=this.defaults.trigger;this.$trigger=b?a(b):this.$element,this.$picker=a(this.defaults.template),this.$years=this.$picker.find("[data-type='years picker']"),this.$months=this.$picker.find("[data-type='months picker']"),this.$days=this.$picker.find("[data-type='days picker']"),this.$picker.appendTo("body"),this.place(),this.hide(),this.format=d.fn.parseFormat(this.defaults.dateFormat),this.fillWeek(),this.enable()},enable:function(){this.enabled||(this.$element.is("input")&&(this.$element.on("keyup",a.proxy(this.update,this)),this.defaults.trigger||this.$element.on("focus",a.proxy(this.show,this))),this.$trigger.on("click",a.proxy(this.show,this)),this.$picker.on({click:a.proxy(this.click,this),mousedown:a.proxy(this.mousedown,this)}),this.update(),this.enabled=!0)},disable:function(){this.enabled&&(this.$element.is("input")&&(this.$element.off("keyup",this.update),this.defaults.trigger||this.$element.off("focus",this.show)),this.$trigger.off("click",this.show),this.$picker.off({click:this.click,mousedown:this.mousedown}),this.hide(),this.enabled=!1)},showView:function(a){var b=this.format;if(b.year||b.month||b.day)switch(a){case 2:case"years":this.$months.hide(),this.$days.hide(),b.year?(this.fillYears(),this.$years.show()):this.showView(0);break;case 1:case"months":this.$years.hide(),this.$days.hide(),b.month?(this.fillMonths(),this.$months.show()):this.showView(2);break;default:this.$years.hide(),this.$months.hide(),b.day?(this.fillDays(),this.$days.show()):this.showView(1)}},hideView:function(){this.defaults.autoClose&&this.hide()},place:function(){var a=this.$trigger.offset(),b=this.$trigger.outerHeight();this.$picker.css({top:a.top+b,left:a.left})},show:function(){this.enabled&&(this.$picker.show(),b.on("resize",a.proxy(this.place,this)),c.on("mousedown",a.proxy(this.hide,this)),this.place(),this.showView(this.defaults.viewStart))},hide:function(){this.$picker.hide(),b.off("resize",this.place),c.off("mousedown",this.hide)},mousedown:function(a){a.stopPropagation(),a.preventDefault()},update:function(){var a=this.$element.is("input")?this.$element.prop("value"):this.$element.text();this.date=d.fn.parseDate(a,this.format),this.viewDate=new Date(this.date.getFullYear(),this.date.getMonth(),this.date.getDate(),0,0,0,0),this.fillAll()},output:function(){var a=this.$element,b=d.fn.formatDate(this.date,this.format);a.is("input")?a.prop("value",b).trigger("change"):a.text(b)},template:function(b){var c={text:"",type:"",selected:!1,disabled:!1};return a.extend(c,b),["<"+this.defaults.itemTag+" ",c.selected?'class="'+this.defaults.selectedClass+'"':c.disabled?'class="'+this.defaults.disabledClass+'"':"",c.type?' data-type="'+c.type+'"':"",">",c.text,"</"+this.defaults.itemTag+">"].join("")},fillAll:function(){this.fillYears(),this.fillMonths(),this.fillDays()},fillYears:function(){var a,b,c="",d=[],e=this.defaults.yearSuffix||"",f=this.date.getFullYear(),g=this.viewDate.getFullYear();for(c=g-5+e+" - "+(g+6)+e,b=-5;7>b;b++)a=g+b===f,d.push(this.template({text:g+b,type:a?"year selected":"year",selected:a,disabled:-5===b||6===b}));this.$picker.find("[data-type='years current']").html(c),this.$picker.find("[data-type='years']").empty().html(d.join(""))},fillMonths:function(){var a,b,c="",d=[],e=this.defaults.monthsShort,f=this.date.getFullYear(),g=this.date.getMonth(),h=this.viewDate.getFullYear();for(c=h.toString()+this.defaults.yearSuffix||"",b=0;12>b;b++)a=h===f&&b===g,d.push(this.template({text:e[b],type:a?"month selected":"month",selected:a}));this.$picker.find("[data-type='year current']").html(c),this.$picker.find("[data-type='months']").empty().html(d.join(""))},fillWeek:function(){var b,c=[],d=this.defaults.daysMin,e=parseInt(this.defaults.weekStart,10)%7;for(d=a.merge(d.slice(e),d.slice(0,e)),b=0;7>b;b++)c.push(this.template({text:d[b]}));this.$picker.find("[data-type='week']").empty().html(c.join(""))},fillDays:function(){var b,c,e,f,g,h,i="",j=[],k=[],l=[],m=[],n=this.defaults.monthsShort,o=this.defaults.yearSuffix||"",p=this.date.getFullYear(),q=this.date.getMonth(),r=this.date.getDate(),s=this.viewDate.getFullYear(),t=this.viewDate.getMonth(),u=parseInt(this.defaults.weekStart,10)%7;for(i=this.defaults.showMonthAfterYear?s+o+" "+n[t]:n[t]+" "+s+o,e=0===t?d.fn.getDaysInMonth(s-1,11):d.fn.getDaysInMonth(s,t-1),g=1;e>=g;g++)k.push(this.template({text:g,type:"day prev",disabled:!0}));for(f=new Date(s,t,1,0,0,0,0),h=(7+(f.getDay()-u))%7,h=h>0?h:7,k=k.slice(e-h),e=11===t?d.fn.getDaysInMonth(s+1,0):d.fn.getDaysInMonth(s,t+1),g=1;e>=g;g++)m.push(this.template({text:g,type:"day next",disabled:!0}));for(e=d.fn.getDaysInMonth(s,t),f=new Date(s,t,e,0,0,0,0),h=(7-(f.getDay()+1-u))%7,h=h>=42-(k.length+e)?h:h+7,m=m.slice(0,h),g=1;e>=g;g++)b=s===p&&t===q&&g===r,c=this.defaults.isDisabled(new Date(s,t,g)),l.push(this.template({text:g,type:c?"day disabled":b?"day selected":"day",selected:b,disabled:c}));a.merge(j,k),a.merge(j,l),a.merge(j,m),this.$picker.find("[data-type='month current']").html(i),this.$picker.find("[data-type='days']").empty().html(j.join(""))},click:function(b){var c,d,e,f,g,h=a(b.target),i=/^\d{2,4}$/,j=!1;if(b.stopPropagation(),b.preventDefault(),0!==h.length)switch(c=this.viewDate.getFullYear(),d=this.viewDate.getMonth(),e=this.viewDate.getDate(),g=h.data().type){case"years prev":case"years next":c="years prev"===g?c-10:c+10,f=h.text(),j=i.test(f),j&&(c=parseInt(f,10),this.date=new Date(c,d,Math.min(e,28),0,0,0,0)),this.viewDate=new Date(c,d,Math.min(e,28),0,0,0,0),this.fillYears(),j&&(this.showView(1),this.output());break;case"year prev":case"year next":c="year prev"===g?c-1:c+1,this.viewDate=new Date(c,d,Math.min(e,28),0,0,0,0),this.fillMonths();break;case"year current":this.format.year&&this.showView(2);break;case"year selected":this.format.month?this.showView(1):this.hideView();break;case"year":c=parseInt(h.text(),10),this.date=new Date(c,d,Math.min(e,28),0,0,0,0),this.viewDate=new Date(c,d,Math.min(e,28),0,0,0,0),this.format.month?this.showView(1):this.hideView(),this.output();break;case"month prev":case"month next":d="month prev"===g?d-1:"month next"===g?d+1:d,this.viewDate=new Date(c,d,Math.min(e,28),0,0,0,0),this.fillDays();break;case"month current":this.format.month&&this.showView(1);break;case"month selected":this.format.day?this.showView(0):this.hideView();break;case"month":d=h.parent().children().index(h),this.date=new Date(c,d,Math.min(e,28),0,0,0,0),this.viewDate=new Date(c,d,Math.min(e,28),0,0,0,0),this.format.day?this.showView(0):this.hideView(),this.output();break;case"day prev":case"day next":case"day":d="day prev"===g?d-1:"day next"===g?d+1:d,e=parseInt(h.text(),10),this.date=new Date(c,d,e,0,0,0,0),this.viewDate=new Date(c,d,e,0,0,0,0),this.fillDays(),"day"===g&&this.hideView(),this.output();break;case"day selected":this.hideView(),this.output();break;case"day disabled":this.hideView()}}},d.fn={isLeapYear:function(a){return a%4===0&&a%100!==0||a%400===0},getDaysInMonth:function(a,b){return[31,this.isLeapYear(a)?29:28,31,30,31,30,31,31,30,31,30,31][b]},parseFormat:function(a){var b,c,d=a.match(/[.\/\-\s].*?/)||"/",e=a.split(/\W+/);if(!e||0===e.length)throw new Error("Invalid date format.");for(a={separator:d[0],parts:e},c=0,b=e.length;b>c;c++)switch(e[c]){case"dd":case"d":a.day=!0;break;case"mm":case"m":a.month=!0;break;case"yyyy":case"yy":a.year=!0}return a},parseDate:function(a,b){var c,d,e,f,g,h,i;if(c="string"==typeof a&&a.length>0?a.split(b.separator):[],d=b.parts.length,a=new Date,e=a.getFullYear(),f=a.getDate(),g=a.getMonth(),c.length===d)for(i=0;d>i;i++)switch(h=parseInt(c[i],10)||1,b.parts[i]){case"dd":case"d":f=h;break;case"mm":case"m":g=h-1;break;case"yy":e=2e3+h;break;case"yyyy":e=h}return new Date(e,g,f,0,0,0,0)},formatDate:function(a,b){var c,d={d:a.getDate(),m:a.getMonth()+1,yy:a.getFullYear().toString().substring(2),yyyy:a.getFullYear()},e=[],f=b.parts.length;for(d.dd=(d.d<10?"0":"")+d.d,d.mm=(d.m<10?"0":"")+d.m,c=0;f>c;c++)e.push(d[b.parts[c]]);return e.join(b.separator)}},d.defaults={autoClose:!0,dateFormat:"yyyy-mm-dd",days:["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"],daysShort:["Sun","Mon","Tue","Wed","Thu","Fri","Sat","Sun"],daysMin:["Su","Mo","Tu","We","Th","Fr","Sa","Su"],disabledClass:"disabled",isDisabled:function(){return!1},itemTag:"li",months:["January","February","March","April","May","June","July","August","September","October","November","December"],monthsShort:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],selectedClass:"selected",showMonthAfterYear:!1,template:['<div class="datepicker-container" data-type="datepicker">','<div class="datepicker-arrow"></div>','<div class="datepicker-content">','<div class="content-years" data-type="years picker">','<ul class="datepicker-title">','<li class="datepicker-prev" data-type="years prev">&lsaquo;</li>','<li class="col-5" data-type="years current"></li>','<li class="datepicker-next" data-type="years next">&rsaquo;</li>',"</ul>",'<ul class="datepicker-years" data-type="years"></ul>',"</div>",'<div class="content-months" data-type="months picker">','<ul class="datepicker-title">','<li class="datepicker-prev" data-type="year prev">&lsaquo;</li>','<li class="col-5" data-type="year current"></li>','<li class="datepicker-next" data-type="year next">&rsaquo;</li>',"</ul>",'<ul class="datepicker-months" data-type="months"></ul>',"</div>",'<div class="content-days" data-type="days picker">','<ul class="datepicker-title">','<li class="datepicker-prev" data-type="month prev">&lsaquo;</li>','<li class="col-5" data-type="month current"></li>','<li class="datepicker-next" data-type="month next">&rsaquo;</li>',"</ul>",'<ul class="datepicker-week" data-type="week"></ul>','<ul class="datepicker-days" data-type="days"></ul>',"</div>","</div>","</div>"].join(""),trigger:void 0,viewStart:0,weekStart:0,yearSuffix:""},d.setDefaults=function(b){a.extend(d.defaults,b)},a.fn.datepicker=function(b){return this.each(function(){var c=a(this),e=c.data("datepicker");e||(e=new d(this,b),c.data("datepicker",e)),"string"==typeof b&&a.isFunction(e[b])&&e[b]()})},a.fn.datepicker.constructor=d,a.fn.datepicker.setDefaults=d.setDefaults,a(function(){a("[datepicker]").datepicker()})});