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/**
* Copyright (c)2005-2009 Matt Kruse (javascripttoolbox.com)
*
* Dual licensed under the MIT and GPL licenses.
* This basically means you can use this code however you want for
* free, but don't claim to have written it yourself!
* Donations always accepted: http://www.JavascriptToolbox.com/donate/
*
* Please do not link to the .js files on javascripttoolbox.com from
* your site. Copy the files locally to your server instead.
*
*/
/*
Date functions
These functions are used to parse, format, and manipulate Date objects.
See documentation and examples at http://www.JavascriptToolbox.com/lib/date/
*/
Date.$VERSION = 1.02;
// Utility function to append a 0 to single-digit numbers
Date.LZ = function(x) {return(x<0||x>9?"":"0")+x};
// Full month names. Change this for local month names
Date.monthNames = new Array('January','February','March','April','May','June','July','August','September','October','November','December');
// Month abbreviations. Change this for local month names
Date.monthAbbreviations = new Array('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
// Full day names. Change this for local month names
Date.dayNames = new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday');
// Day abbreviations. Change this for local month names
Date.dayAbbreviations = new Array('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
// Used for parsing ambiguous dates like 1/2/2000 - default to preferring 'American' format meaning Jan 2.
// Set to false to prefer 'European' format meaning Feb 1
Date.preferAmericanFormat = true;
// Set to 0=SUn for American 1=Mon for european
Date.firstDayOfWeek = 0;
//default
Date.defaultFormat="dd/MM/yyyy";
// If the getFullYear() method is not defined, create it
if (!Date.prototype.getFullYear) {
Date.prototype.getFullYear = function() { var yy=this.getYear(); return (yy<1900?yy+1900:yy); } ;
}
// Parse a string and convert it to a Date object.
// If no format is passed, try a list of common formats.
// If string cannot be parsed, return null.
// Avoids regular expressions to be more portable.
Date.parseString = function(val, format) {
// If no format is specified, try a few common formats
if (typeof(format)=="undefined" || format==null || format=="") {
var generalFormats=new Array(Date.defaultFormat,'y-M-d','MMM d, y','MMM d,y','y-MMM-d','d-MMM-y','MMM d','MMM-d','d-MMM');
var monthFirst=new Array('M/d/y','M-d-y','M.d.y','M/d','M-d');
var dateFirst =new Array('d/M/y','d-M-y','d.M.y','d/M','d-M');
var checkList=new Array(generalFormats,Date.preferAmericanFormat?monthFirst:dateFirst,Date.preferAmericanFormat?dateFirst:monthFirst);
for (var i=0; i<checkList.length; i++) {
var l=checkList[i];
for (var j=0; j<l.length; j++) {
var d=Date.parseString(val,l[j]);
if (d!=null) {
return d;
}
}
}
return null;
};
this.isInteger = function(val) {
for (var i=0; i < val.length; i++) {
if ("1234567890".indexOf(val.charAt(i))==-1) {
return false;
}
}
return true;
};
this.getInt = function(str,i,minlength,maxlength) {
for (var x=maxlength; x>=minlength; x--) {
var token=str.substring(i,i+x);
if (token.length < minlength) {
return null;
}
if (this.isInteger(token)) {
return token;
}
}
return null;
};
this.decodeShortcut=function(str){
var dateUpper = str.trim().toUpperCase();
var ret=new Date();
ret.clearTime();
if (["NOW","N"].indexOf(dateUpper)>=0) {
ret= new Date();
} else if (["TODAY","T"].indexOf(dateUpper)>=0) {
//do nothing
} else if (["YESTERDAY","Y"].indexOf(dateUpper)>=0) {
ret.setDate(ret.getDate()-1);
} else if (["TOMORROW","TO"].indexOf(dateUpper)>=0) {
ret.setDate(ret.getDate()+1);
} else if (["W", "TW", "WEEK", "THISWEEK", "WEEKSTART", "THISWEEKSTART"].indexOf(dateUpper)>=0) {
ret.setFirstDayOfThisWeek();
} else if (["LW", "LASTWEEK", "LASTWEEKSTART"].indexOf(dateUpper)>=0) {
ret.setFirstDayOfThisWeek();
ret.setDate(ret.getDate()-7);
} else if (["NW", "NEXTWEEK", "NEXTWEEKSTART"].indexOf(dateUpper)>=0) {
ret.setFirstDayOfThisWeek();
ret.setDate(ret.getDate()+7);
} else if (["M", "TM", "MONTH", "THISMONTH", "MONTHSTART", "THISMONTHSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
} else if (["LM", "LASTMONTH", "LASTMONTHSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
ret.setMonth(ret.getMonth()-1);
} else if (["NM", "NEXTMONTH", "NEXTMONTHSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
ret.setMonth(ret.getMonth()+1);
} else if (["Q", "TQ", "QUARTER", "THISQUARTER", "QUARTERSTART", "THISQUARTERSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
ret.setMonth(Math.floor((ret.getMonth()) / 3) * 3);
} else if (["LQ", "LASTQUARTER", "LASTQUARTERSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
ret.setMonth(Math.floor((ret.getMonth()) / 3) * 3-3);
} else if (["NQ", "NEXTQUARTER", "NEXTQUARTERSTART"].indexOf(dateUpper)>=0) {
ret.setDate(1);
ret.setMonth(Math.floor((ret.getMonth()) / 3) * 3+3);
} else if (/^-?[0-9]+[DWMY]$/.test(dateUpper)) {
var lastOne = dateUpper.substr(dateUpper.length - 1);
var val = parseInt(dateUpper.substr(0, dateUpper.length - 1));
if (lastOne=="W")
ret.setDate(ret.getDate()+val*7 );
else if (lastOne=="M")
ret.setMonth(ret.getMonth()+val );
else if (lastOne=="Y")
ret.setYear(ret.getYear()+val );
} else {
ret=undefined;
}
return ret;
};
var ret=this.decodeShortcut(val);
if (ret)
return ret;
val=val+"";
format=format+"";
var i_val=0;
var i_format=0;
var c="";
var token="";
var token2="";
var x,y;
var year=new Date().getFullYear();
var month=1;
var date=1;
var hh=0;
var mm=0;
var ss=0;
var ampm="";
while (i_format < format.length) {
// Get next token from format string
c=format.charAt(i_format);
token="";
while ((format.charAt(i_format)==c) && (i_format < format.length)) {
token += format.charAt(i_format++);
}
// Extract contents of value based on format token
if (token=="yyyy" || token=="yy" || token=="y") {
if (token=="yyyy") {
x=4;y=4;
}
if (token=="yy") {
x=2;y=2;
}
if (token=="y") {
x=2;y=4;
}
year=this.getInt(val,i_val,x,y);
if (year==null) {
return null;
}
i_val += year.length;
if (year.length==2) {
if (year > 70) {
year=1900+(year-0);
}
else {
year=2000+(year-0);
}
}
// } else if (token=="MMM" || token=="NNN"){
} else if (token=="MMM" || token=="MMMM"){
month=0;
var names = (token=="MMMM"?(Date.monthNames.concat(Date.monthAbbreviations)):Date.monthAbbreviations);
for (var i=0; i<names.length; i++) {
var month_name=names[i];
if (val.substring(i_val,i_val+month_name.length).toLowerCase()==month_name.toLowerCase()) {
month=(i%12)+1;
i_val += month_name.length;
break;
}
}
if ((month < 1)||(month>12)){
return null;
}
}
else if (token=="E"||token=="EE"||token=="EEE"||token=="EEEE"){
var names = (token=="EEEE"?Date.dayNames:Date.dayAbbreviations);
for (var i=0; i<names.length; i++) {
var day_name=names[i];
if (val.substring(i_val,i_val+day_name.length).toLowerCase()==day_name.toLowerCase()) {
i_val += day_name.length;
break;
}
}
}
else if (token=="MM"||token=="M") {
month=this.getInt(val,i_val,token.length,2);
if(month==null||(month<1)||(month>12)){
return null;
}
i_val+=month.length;
}
else if (token=="dd"||token=="d") {
date=this.getInt(val,i_val,token.length,2);
if(date==null||(date<1)||(date>31)){
return null;
}
i_val+=date.length;
}
else if (token=="hh"||token=="h") {
hh=this.getInt(val,i_val,token.length,2);
if(hh==null||(hh<1)||(hh>12)){
return null;
}
i_val+=hh.length;
}
else if (token=="HH"||token=="H") {
hh=this.getInt(val,i_val,token.length,2);
if(hh==null||(hh<0)||(hh>23)){
return null;
}
i_val+=hh.length;
}
else if (token=="KK"||token=="K") {
hh=this.getInt(val,i_val,token.length,2);
if(hh==null||(hh<0)||(hh>11)){
return null;
}
i_val+=hh.length;
hh++;
}
else if (token=="kk"||token=="k") {
hh=this.getInt(val,i_val,token.length,2);
if(hh==null||(hh<1)||(hh>24)){
return null;
}
i_val+=hh.length;
hh--;
}
else if (token=="mm"||token=="m") {
mm=this.getInt(val,i_val,token.length,2);
if(mm==null||(mm<0)||(mm>59)){
return null;
}
i_val+=mm.length;
}
else if (token=="ss"||token=="s") {
ss=this.getInt(val,i_val,token.length,2);
if(ss==null||(ss<0)||(ss>59)){
return null;
}
i_val+=ss.length;
}
else if (token=="a") {
if (val.substring(i_val,i_val+2).toLowerCase()=="am") {
ampm="AM";
}
else if (val.substring(i_val,i_val+2).toLowerCase()=="pm") {
ampm="PM";
}
else {
return null;
}
i_val+=2;
}
else {
if (val.substring(i_val,i_val+token.length)!=token) {
return null;
}
else {
i_val+=token.length;
}
}
}
// If there are any trailing characters left in the value, it doesn't match
if (i_val != val.length) {
return null;
}
// Is date valid for month?
if (month==2) {
// Check for leap year
if ( ( (year%4==0)&&(year%100 != 0) ) || (year%400==0) ) { // leap year
if (date > 29){
return null;
}
}
else {
if (date > 28) {
return null;
}
}
}
if ((month==4)||(month==6)||(month==9)||(month==11)) {
if (date > 30) {
return null;
}
}
// Correct hours value
if (hh<12 && ampm=="PM") {
hh=hh-0+12;
}
else if (hh>11 && ampm=="AM") {
hh-=12;
}
return new Date(year,month-1,date,hh,mm,ss);
};
// Check if a date string is valid
Date.isValid = function(val,format) {
return (Date.parseString(val,format) != null);
};
// Check if a date object is before another date object
Date.prototype.isBefore = function(date2) {
if (date2==null) {
return false;
}
return (this.getTime()<date2.getTime());
};
// Check if a date object is after another date object
Date.prototype.isAfter = function(date2) {
if (date2==null) {
return false;
}
return (this.getTime()>date2.getTime());
};
// Check if two date objects have equal dates and times
Date.prototype.equals = function(date2) {
if (date2==null) {
return false;
}
return (this.getTime()==date2.getTime());
};
// Check if two date objects have equal dates, disregarding times
Date.prototype.equalsIgnoreTime = function(date2) {
if (date2==null) {
return false;
}
var d1 = new Date(this.getTime()).clearTime();
var d2 = new Date(date2.getTime()).clearTime();
return (d1.getTime()==d2.getTime());
};
// Format a date into a string using a given format string
Date.prototype.format = function(format) {
if (!format)
format=Date.defaultFormat;
format=format+"";
var result="";
var i_format=0;
var c="";
var token="";
var y=this.getFullYear()+"";
var M=this.getMonth()+1;
var d=this.getDate();
var E=this.getDay();
var H=this.getHours();
var m=this.getMinutes();
var s=this.getSeconds();
// Convert real date parts into formatted versions
var value=new Object();
if (y.length < 4) {
y=""+(+y+1900);
}
value["y"]=""+y;
value["yyyy"]=y;
value["yy"]=y.substring(2,4);
value["M"]=M;
value["MM"]=Date.LZ(M);
value["MMM"]=Date.monthAbbreviations[M-1];
value["MMMM"]=Date.monthNames[M-1];
value["d"]=d;
value["dd"]=Date.LZ(d);
value["E"]=Date.dayAbbreviations[E];
value["EE"]=Date.dayAbbreviations[E];
value["EEE"]=Date.dayAbbreviations[E];
value["EEEE"]=Date.dayNames[E];
value["H"]=H;
value["HH"]=Date.LZ(H);
if (H==0){
value["h"]=12;
}
else if (H>12){
value["h"]=H-12;
}
else {
value["h"]=H;
}
value["hh"]=Date.LZ(value["h"]);
value["K"]=value["h"]-1;
value["k"]=value["H"]+1;
value["KK"]=Date.LZ(value["K"]);
value["kk"]=Date.LZ(value["k"]);
if (H > 11) {
value["a"]="PM";
}
else {
value["a"]="AM";
}
value["m"]=m;
value["mm"]=Date.LZ(m);
value["s"]=s;
value["ss"]=Date.LZ(s);
while (i_format < format.length) {
c=format.charAt(i_format);
token="";
while ((format.charAt(i_format)==c) && (i_format < format.length)) {
token += format.charAt(i_format++);
}
if (typeof(value[token])!="undefined") {
result=result + value[token];
}
else {
result=result + token;
}
}
return result;
};
// Get the full name of the day for a date
Date.prototype.getDayName = function() {
return Date.dayNames[this.getDay()];
};
// Get the abbreviation of the day for a date
Date.prototype.getDayAbbreviation = function() {
return Date.dayAbbreviations[this.getDay()];
};
// Get the full name of the month for a date
Date.prototype.getMonthName = function() {
return Date.monthNames[this.getMonth()];
};
// Get the abbreviation of the month for a date
Date.prototype.getMonthAbbreviation = function() {
return Date.monthAbbreviations[this.getMonth()];
};
// Clear all time information in a date object
Date.prototype.clearTime = function() {
this.setHours(0);
this.setMinutes(0);
this.setSeconds(0);
this.setMilliseconds(0);
return this;
};
// Add an amount of time to a date. Negative numbers can be passed to subtract time.
Date.prototype.add = function(interval, number) {
if (typeof(interval)=="undefined" || interval==null || typeof(number)=="undefined" || number==null) {
return this;
}
number = +number;
if (interval=='y') { // year
this.setFullYear(this.getFullYear()+number);
}
else if (interval=='M') { // Month
this.setMonth(this.getMonth()+number);
}
else if (interval=='d') { // Day
this.setDate(this.getDate()+number);
}
else if (interval=='w') { // Weekday
var step = (number>0)?1:-1;
while (number!=0) {
this.add('d',step);
while(this.getDay()==0 || this.getDay()==6) {
this.add('d',step);
}
number -= step;
}
}
else if (interval=='h') { // Hour
this.setHours(this.getHours() + number);
}
else if (interval=='m') { // Minute
this.setMinutes(this.getMinutes() + number);
}
else if (interval=='s') { // Second
this.setSeconds(this.getSeconds() + number);
}
return this;
};
Date.prototype.toInt = function () {
return this.getFullYear()*10000+(this.getMonth()+1)*100+this.getDate();
};
Date.fromInt=function (dateInt){
var year = parseInt(dateInt/10000);
var month = parseInt((dateInt-year*10000)/100);
var day = parseInt(dateInt-year*10000-month*100);
return new Date(year,month-1,day,12,00,00);
};
Date.prototype.isHoliday=function(){
return isHoliday(this);
};
Date.prototype.isToday=function(){
return this.toInt()==new Date().toInt();
};
Date.prototype.incrementDateByWorkingDays=function (days) {
//console.debug("incrementDateByWorkingDays start ",d,days)
var q = Math.abs(days);
while (q > 0) {
this.setDate(this.getDate() + (days > 0 ? 1 : -1));
if (!this.isHoliday())
q--;
}
return this;
};
//todo questo può essere poco performante in caso di distanze grandi
Date.prototype.distanceInWorkingDays= function (toDate){
var pos = new Date(this.getTime());
pos.setHours(23, 59, 59, 999);
var days = 0;
var nd=new Date(toDate.getTime());
nd.setHours(23, 59, 59, 999);
var end=nd.getTime();
while (pos.getTime() <= end) {
days = days + (isHoliday(pos) ? 0 : 1);
pos.setDate(pos.getDate() + 1);
}
return days;
};
Date.prototype.setFirstDayOfThisWeek= function (firstDayOfWeek){
if (!firstDayOfWeek)
firstDayOfWeek=Date.firstDayOfWeek;
this.setDate(this.getDate() - this.getDay() +firstDayOfWeek - (this.getDay()==0 && firstDayOfWeek!=0 ?7:0));
}