(function($){$.extend(Date.prototype,{daysInCurrentMonth:function(){var year=this.getFullYear(),month=this.getMonth();return 32-new Date(year,month,32).getDate();},incrementDay:function(){this.setDate(this.getDate()+1);},incrementMonth:function(){this.setMonth(this.getMonth()+1);},decrementMonth:function(){this.setMonth(this.getMonth()-1);},compareDate:function(other){var d1=[this.getFullYear,this.getMonth(),this.getDate()].join('-'),d2=[other.getFullYear,other.getMonth(),other.getDate()].join('-');return d1==d2;}});function MonthlyCalendar(container,options){var today=new Date();this.options=options;this.$container=$(container);this.selectedDate=null;this.beginFrom=new Date();this.beginFrom.setDate(1);this.firstDayOfWeek=1;this.lastDayOfWeek=this.firstDayOfWeek-1;if(this.lastDayOfWeek<0)this.lastDayOfWeek=6-this.lastDayOfWeek;this.init();}
var monthNames="Leden Únor Březen Duben Květen Červen Červenec Srpen Září Říjen Listopad Prosinec".split(' ');var weekdayNames="Po Út St Čt Pá So Ne".split(' ');MonthlyCalendar.prototype={init:function(){var calendar=$("<div class='month-calendar' />"),title=this.constructTitle(),header=this.constructHeader(),body=this.constructBody();calendar.append(title).append(header).append(body);this.$container.append(calendar);},reinit:function(){this.destroy();this.init();},destroy:function(){this.$container.children().remove();},select:function(date){var stringDate=this._formatDate(date),beginFrom=new Date(date.valueOf());beginFrom.setDate(1);this.beginFrom=beginFrom;this.reinit();this.selectedDate=date;this.$container.find('.date-'+stringDate).addClass('selected');},constructTitle:function(){var title=$("<div class='title' />"),previousMonth=$("<div class='button previous' />").text('←'),nextMonth=$("<div class='button next' />").text('→'),monthName=monthNames[this.beginFrom.getMonth()],year=this.beginFrom.getFullYear(),headline=$("<div class='headline' />").text(monthName+' '+year);previousMonth.click(this,this.showPreviousMonth);nextMonth.click(this,this.showNextMonth);title.append(previousMonth).append(headline).append(nextMonth);return title;},constructHeader:function(){var i,header=$("<div class='header' />");for(i=0;i<7;i++){var day=$("<div class='day' />").text(weekdayNames[i]);header.append(day);}
return header;},constructBody:function(){var body=$("<div class='body' />"),today=new Date();this._forEachDay(function(currentDate){var dayInMonth=currentDate.getDate(),formattedDate=this._formatDate(currentDate),dateClass="date-"+formattedDate,day=$("<div class='day' />").text(dayInMonth).data('date',formattedDate).addClass(dateClass);if(currentDate.getMonth()!=this.beginFrom.getMonth()){day.addClass('inactive');}
if(currentDate.compareDate(today)){day.addClass('today');}
day.click(this,this.dateClicked);body.append(day);},this);return body;},_forEachDay:function(callback,context){var month=this.beginFrom.getMonth(),firstDay=new Date(this.beginFrom.valueOf()),lastDay=new Date(this.beginFrom.valueOf()),currentDate;if(firstDay.getDay()!=this.firstDayOfWeek){var offset=firstDay.getDay()-this.firstDayOfWeek;if(offset<0)offset=offset+7;firstDay.setDate(firstDay.getDate()-offset);}
lastDay.setDate(lastDay.daysInCurrentMonth());if(lastDay.getDay()!=this.lastDayOfWeek){var offset=this.lastDayOfWeek-lastDay.getDay();if(offset<0)offset=offset+7;lastDay.setDate(lastDay.getDate()+offset);}
for(currentDate=new Date(firstDay.valueOf());currentDate<=lastDay;currentDate.incrementDay()){if(callback)callback.call(context,currentDate);}},_formatDate:function(date){return[date.getFullYear(),date.getMonth()+1,date.getDate()].join('-');},_parseDate:function(dateString){if(dateString&&dateString.match){var tokens=dateString.match(/(\d{4})-(\d{1,2})-(\d{1,2})/);return new Date(tokens[1],tokens[2]-1,tokens[3]);}else{return null;}},showPreviousMonth:function(evt){var calendar=evt.data,beginFrom=calendar.beginFrom;beginFrom.decrementMonth();calendar.reinit();if(calendar.options&&calendar.options.previousMonth){calendar.options.previousMonth(calendar.beginFrom);}},showNextMonth:function(evt){var calendar=evt.data,beginFrom=calendar.beginFrom;beginFrom.incrementMonth();calendar.reinit();if(calendar.options&&calendar.options.nextMonth){calendar.options.nextMonth(calendar.beginFrom);}},dateClicked:function(evt){var dayBox=$(this),calendar=evt.data,date=calendar._parseDate(dayBox.data('date'));calendar.$container.find('.selected').removeClass('selected');calendar.selectedDate=date;dayBox.addClass('selected');if(calendar.options&&calendar.options.selected){calendar.options.selected(calendar.selectedDate);}}};$.fn.monthCalendar=function(options){return this.map(function(){return new MonthlyCalendar(this,options);});};})(jQuery);(function($){function DatePickerInput(input,options){this.$input=$(input);this.calendarContainer=null;this.calendarShown=false;$.extend(this,DatePickerInput.DEFAULT_OPTIONS,options);this.init();}
DatePickerInput.DEFAULT_OPTIONS={dateFormat:'%Y-%m-%d',readOnly:true};DatePickerInput.prototype={init:function(){var cc=this;this.calendarContainer=$("<div class='calendar-container' />");$('body').append(this.calendarContainer)
this.$input.focus(this,this.inputDidFocus).change(this,this.inputDidChange);if(this.readOnly){this.$input.attr('readonly','readonly').addClass('datepicker-readonly').click(this,this.inputDidFocus);}
this.monthCalendar=this.calendarContainer.hide().monthCalendar({selected:function(date){cc.$input.val(cc.formatDate(date)).change();cc.hideCalendar();}})[0];this.$input.change();},showCalendar:function(){var offset=this.$input.offset(),top=offset.top+this.$input.outerHeight(),left=offset.left;this.calendarContainer.show().css({position:'absolute',top:top,left:left});$([window,document.body]).click(this,this.outsideWasClicked);$(document.body).keydown(this,this.keyWasPressed);},hideCalendar:function(){this.calendarContainer.hide();$([window,document.body]).unbind('click',this.outsideWasClicked);$(document.body).unbind('keydown',this.keyWasPressed);},formatDate:function(date){var str=this.dateFormat.replace('%y',date.getYear()).replace('%Y',date.getFullYear()).replace('%m',date.getMonth()+1).replace('%d',date.getDate());return str;},parseDate:function(stringDate){var options=[['%y','\\d{2}','Year'],['%Y','\\d{4}','FullYear'],['%m','\\d{1,2}','Month'],['%d','\\d{1,2}','Date']]
var i,j,result=new Date();for(i=0;i<options.length;i++){var pattern=this.dateFormat.replace(options[i][0],"("+options[i][1]+")");for(j=0;j<options.length;j++){if(j!=i){pattern=pattern.replace(options[j][0],options[j][1]);}}
var regexp=new RegExp(pattern);var tokens=stringDate.match(regexp);if(tokens&&tokens[1]){var method="set"+options[i][2];if(options[i][2]=='Month'){tokens[1]-=1;}
result[method](tokens[1]);}}
return result;},wasClickInsideCalendar:function(evt){var offset=this.calendarContainer.position();offset.right=offset.left+this.calendarContainer.outerWidth();offset.bottom=offset.top+this.calendarContainer.outerHeight();return evt.pageY<offset.bottom&&evt.pageY>offset.top&&evt.pageX<offset.right&&evt.pageX>offset.left;},inputDidFocus:function(evt){evt.data.showCalendar();},outsideWasClicked:function(evt){var datePickerInput=evt.data;if(evt.target!=datePickerInput.$input[0]&&!datePickerInput.wasClickInsideCalendar(evt)){datePickerInput.hideCalendar();}},keyWasPressed:function(evt){var datePickerInput=evt.data;switch(evt.keyCode)
{case 9:case 27:datePickerInput.hideCalendar();return;default:return;}
evt.preventDefault();},inputDidChange:function(evt){var val=$(this).val(),datePickerInput=evt.data,date=datePickerInput.parseDate(val);datePickerInput.monthCalendar.select(date);}};$.fn.datePickerInput=function(options){return this.each(function(){return new DatePickerInput(this,options);});};})(jQuery);