date-polyfill.min.js

// HTML5 Date polyfill | Jonathan Stipe | https://github.com/jonstipe/date-polyfill

(function(){(function($){$.fn.inputDate=function(){var decrement,increment,makeDateDisplayString,makeDateString,readDate,stepNormalize;readDate=function(d_str){var dateObj,dayPart,matchData,monthPart,yearPart;if(/^\d{4,}-\d\d-\d\d$/.test(d_str)){matchData=/^(\d+)-(\d+)-(\d+)$/.exec(d_str);yearPart=parseInt(matchData[1],10);monthPart=parseInt(matchData[2],10);dayPart=parseInt(matchData[3],10);dateObj=new Date(yearPart,monthPart-1,dayPart);return dateObj;}else{throw"Invalid date string: "+d_str;}};makeDateString=function(date_obj){var d_arr;d_arr=[date_obj.getFullYear().toString()];d_arr.push('-');if(date_obj.getMonth()<9){d_arr.push('0');}
d_arr.push((date_obj.getMonth()+1).toString());d_arr.push('-');if(date_obj.getDate()<10){d_arr.push('0');}
d_arr.push(date_obj.getDate().toString());return d_arr.join('');};makeDateDisplayString=function(date_obj,elem){var $elem,date_arr,day_names,month_names;$elem=$(elem);day_names=$elem.datepicker("option","dayNames");month_names=$elem.datepicker("option","monthNames");date_arr=[day_names[date_obj.getDay()]];date_arr.push(', ');date_arr.push(month_names[date_obj.getMonth()]);date_arr.push(' ');date_arr.push(date_obj.getDate().toString());date_arr.push(', ');date_arr.push(date_obj.getFullYear().toString());return date_arr.join('');};increment=function(hiddenField,dateBtn,calendarDiv){var $hiddenField,max,step,value;$hiddenField=$(hiddenField);value=readDate($hiddenField.val());step=$hiddenField.data("step");max=$hiddenField.data("max");if(!(step!=null)||step==='any'){value.setDate(value.getDate()+1);}else{value.setDate(value.getDate()+step);}
if((max!=null)&&value>max){value.setTime(max.getTime());}
value=stepNormalize(value,hiddenField);$hiddenField.val(makeDateString(value)).change();$(dateBtn).text(makeDateDisplayString(value,calendarDiv));$(calendarDiv).datepicker("setDate",value);return null;};decrement=function(hiddenField,dateBtn,calendarDiv){var $hiddenField,min,step,value;$hiddenField=$(hiddenField);value=readDate($hiddenField.val());step=$hiddenField.data("step");min=$hiddenField.data("min");if(!(step!=null)||step==='any'){value.setDate(value.getDate()-1);}else{value.setDate(value.getDate()-step);}
if((min!=null)&&value<min){value.setTime(min.getTime());}
value=stepNormalize(value,hiddenField);$hiddenField.val(makeDateString(value)).change();$(dateBtn).text(makeDateDisplayString(value,calendarDiv));$(calendarDiv).datepicker("setDate",value);return null;};stepNormalize=function(inDate,hiddenField){var $hiddenField,kNum,max,min,minNum,raisedStep,step,stepDiff,stepDiff2;$hiddenField=$(hiddenField);step=$hiddenField.data("step");min=$hiddenField.data("min");max=$hiddenField.data("max");if((step!=null)&&step!=='any'){kNum=inDate.getTime();raisedStep=step*86400000;if(min==null){min=new Date(1970,0,1);}
minNum=min.getTime();stepDiff=(kNum-minNum)%raisedStep;stepDiff2=raisedStep-stepDiff;if(stepDiff===0){return inDate;}else{if(stepDiff>stepDiff2){return new Date(inDate.getTime()+stepDiff2);}else{return new Date(inDate.getTime()-stepDiff);}}}else{return inDate;}};$(this).filter('input[type="date"]').each(function(){var $calendarContainer,$calendarDiv,$dateBtn,$hiddenField,$this,calendarContainer,calendarDiv,className,closeFunc,dateBtn,hiddenField,max,min,step,style,value;$this=$(this);value=$this.attr('value');min=$this.attr('min');max=$this.attr('max');step=$this.attr('step');className=$this.attr('class');style=$this.attr('style');if((value!=null)&&/^\d{4,}-\d\d-\d\d$/.test(value)){value=readDate(value);}else{value=new Date();}
if(min!=null){min=readDate(min);if(value<min){value.setTime(min.getTime());}}
if(max!=null){max=readDate(max);if(value>max){value.setTime(max.getTime());}}
if((step!=null)&&step!=='any'){step=parseInt(step,10);}
hiddenField=document.createElement('input');$hiddenField=$(hiddenField);$hiddenField.attr({type:"hidden",name:$this.attr('name'),value:makeDateString(value)});$hiddenField.data({min:min,max:max,step:step});value=stepNormalize(value,hiddenField);$hiddenField.attr('value',makeDateString(value));calendarContainer=document.createElement('span');$calendarContainer=$(calendarContainer);if(className!=null){$calendarContainer.attr('class',className);}
if(style!=null){$calendarContainer.attr('style',style);}
calendarDiv=document.createElement('div');$calendarDiv=$(calendarDiv);$calendarDiv.css({display:'none',position:'absolute'});dateBtn=document.createElement('button');$dateBtn=$(dateBtn);$dateBtn.addClass('date-datepicker-button');$this.replaceWith(hiddenField);$calendarContainer.insertAfter(hiddenField);$dateBtn.appendTo(calendarContainer);$calendarDiv.appendTo(calendarContainer);$calendarDiv.datepicker({dateFormat:'MM dd, yy',showButtonPanel:true,beforeShowDay:function(dateObj){var dateDays,minDays;if(!(step!=null)||step==='any'){return[true,''];}else{if(min==null){min=new Date(1970,0,1);}
dateDays=Math.floor(dateObj.getTime()/86400000);minDays=Math.floor(min.getTime()/86400000);return[(dateDays-minDays)%step===0,''];}}});$dateBtn.text(makeDateDisplayString(value,calendarDiv));if(min!=null){$calendarDiv.datepicker("option","minDate",min);}
if(max!=null){$calendarDiv.datepicker("option","maxDate",max);}
if(Modernizr.csstransitions){calendarDiv.className="date-calendar-dialog date-closed";$dateBtn.click(function(event){$calendarDiv.off('transitionend oTransitionEnd webkitTransitionEnd MSTransitionEnd');calendarDiv.style.display='block';calendarDiv.className="date-calendar-dialog date-open";event.preventDefault();return false;});closeFunc=function(event){var transitionend_function;if(calendarDiv.className==="date-calendar-dialog date-open"){transitionend_function=function(event,ui){calendarDiv.style.display='none';$calendarDiv.off("transitionend oTransitionEnd webkitTransitionEnd MSTransitionEnd",transitionend_function);return null;};$calendarDiv.on("transitionend oTransitionEnd webkitTransitionEnd MSTransitionEnd",transitionend_function);calendarDiv.className="date-calendar-dialog date-closed";}
if(event!=null){event.preventDefault();}
return null;};}else{$dateBtn.click(function(event){$calendarDiv.fadeIn('fast');event.preventDefault();return false;});closeFunc=function(event){$calendarDiv.fadeOut('fast');if(event!=null){event.preventDefault();}
return null;};}
$calendarDiv.mouseleave(closeFunc);$calendarDiv.datepicker("option","onSelect",function(dateText,inst){var dateObj;dateObj=$.datepicker.parseDate('MM dd, yy',dateText);$hiddenField.val(makeDateString(dateObj)).change();$dateBtn.text(makeDateDisplayString(dateObj,calendarDiv));closeFunc();return null;});$calendarDiv.datepicker("setDate",value);$dateBtn.on({DOMMouseScroll:function(event){if(event.originalEvent.detail<0){increment(hiddenField,dateBtn,calendarDiv);}else{decrement(hiddenField,dateBtn,calendarDiv);}
event.preventDefault();return null;},mousewheel:function(event){if(event.originalEvent.wheelDelta>0){increment(hiddenField,dateBtn,calendarDiv);}else{decrement(hiddenField,dateBtn,calendarDiv);}
event.preventDefault();return null;},keypress:function(event){if(event.keyCode===38){increment(hiddenField,dateBtn,calendarDiv);event.preventDefault();}else if(event.keyCode===40){decrement(hiddenField,dateBtn,calendarDiv);event.preventDefault();}
return null;}});return null;});return this;};$(function(){if(!Modernizr.inputtypes.date){$('input[type="date"]').inputDate();}
return null;});return null;})(jQuery);}).call(this);