diff options
Diffstat (limited to 'lib/dojo/date.js')
| -rw-r--r-- | lib/dojo/date.js | 347 |
1 files changed, 2 insertions, 345 deletions
diff --git a/lib/dojo/date.js b/lib/dojo/date.js index e961b5a86..55a1bdf27 100644 --- a/lib/dojo/date.js +++ b/lib/dojo/date.js @@ -4,348 +4,5 @@ see: http://dojotoolkit.org/license for details */ - -if(!dojo._hasResource["dojo.date"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojo.date"] = true; -dojo.provide("dojo.date"); - -dojo.getObject("date", true, dojo); - -/*===== -dojo.date = { - // summary: Date manipulation utilities -} -=====*/ - -dojo.date.getDaysInMonth = function(/*Date*/dateObject){ - // summary: - // Returns the number of days in the month used by dateObject - var month = dateObject.getMonth(); - var days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]; - if(month == 1 && dojo.date.isLeapYear(dateObject)){ return 29; } // Number - return days[month]; // Number -}; - -dojo.date.isLeapYear = function(/*Date*/dateObject){ - // summary: - // Determines if the year of the dateObject is a leap year - // description: - // Leap years are years with an additional day YYYY-02-29, where the - // year number is a multiple of four with the following exception: If - // a year is a multiple of 100, then it is only a leap year if it is - // also a multiple of 400. For example, 1900 was not a leap year, but - // 2000 is one. - - var year = dateObject.getFullYear(); - return !(year%400) || (!(year%4) && !!(year%100)); // Boolean -}; - -// FIXME: This is not localized -dojo.date.getTimezoneName = function(/*Date*/dateObject){ - // summary: - // Get the user's time zone as provided by the browser - // dateObject: - // Needed because the timezone may vary with time (daylight savings) - // description: - // Try to get time zone info from toString or toLocaleString method of - // the Date object -- UTC offset is not a time zone. See - // http://www.twinsun.com/tz/tz-link.htm Note: results may be - // inconsistent across browsers. - - var str = dateObject.toString(); // Start looking in toString - var tz = ''; // The result -- return empty string if nothing found - var match; - - // First look for something in parentheses -- fast lookup, no regex - var pos = str.indexOf('('); - if(pos > -1){ - tz = str.substring(++pos, str.indexOf(')')); - }else{ - // If at first you don't succeed ... - // If IE knows about the TZ, it appears before the year - // Capital letters or slash before a 4-digit year - // at the end of string - var pat = /([A-Z\/]+) \d{4}$/; - if((match = str.match(pat))){ - tz = match[1]; - }else{ - // Some browsers (e.g. Safari) glue the TZ on the end - // of toLocaleString instead of putting it in toString - str = dateObject.toLocaleString(); - // Capital letters or slash -- end of string, - // after space - pat = / ([A-Z\/]+)$/; - if((match = str.match(pat))){ - tz = match[1]; - } - } - } - - // Make sure it doesn't somehow end up return AM or PM - return (tz == 'AM' || tz == 'PM') ? '' : tz; // String -}; - -// Utility methods to do arithmetic calculations with Dates - -dojo.date.compare = function(/*Date*/date1, /*Date?*/date2, /*String?*/portion){ - // summary: - // Compare two date objects by date, time, or both. - // description: - // Returns 0 if equal, positive if a > b, else negative. - // date1: - // Date object - // date2: - // Date object. If not specified, the current Date is used. - // portion: - // A string indicating the "date" or "time" portion of a Date object. - // Compares both "date" and "time" by default. One of the following: - // "date", "time", "datetime" - - // Extra step required in copy for IE - see #3112 - date1 = new Date(+date1); - date2 = new Date(+(date2 || new Date())); - - if(portion == "date"){ - // Ignore times and compare dates. - date1.setHours(0, 0, 0, 0); - date2.setHours(0, 0, 0, 0); - }else if(portion == "time"){ - // Ignore dates and compare times. - date1.setFullYear(0, 0, 0); - date2.setFullYear(0, 0, 0); - } - - if(date1 > date2){ return 1; } // int - if(date1 < date2){ return -1; } // int - return 0; // int -}; - -dojo.date.add = function(/*Date*/date, /*String*/interval, /*int*/amount){ - // summary: - // Add to a Date in intervals of different size, from milliseconds to years - // date: Date - // Date object to start with - // interval: - // A string representing the interval. One of the following: - // "year", "month", "day", "hour", "minute", "second", - // "millisecond", "quarter", "week", "weekday" - // amount: - // How much to add to the date. - - var sum = new Date(+date); // convert to Number before copying to accomodate IE (#3112) - var fixOvershoot = false; - var property = "Date"; - - switch(interval){ - case "day": - break; - case "weekday": - //i18n FIXME: assumes Saturday/Sunday weekend, but this is not always true. see dojo.cldr.supplemental - - // Divide the increment time span into weekspans plus leftover days - // e.g., 8 days is one 5-day weekspan / and two leftover days - // Can't have zero leftover days, so numbers divisible by 5 get - // a days value of 5, and the remaining days make up the number of weeks - var days, weeks; - var mod = amount % 5; - if(!mod){ - days = (amount > 0) ? 5 : -5; - weeks = (amount > 0) ? ((amount-5)/5) : ((amount+5)/5); - }else{ - days = mod; - weeks = parseInt(amount/5); - } - // Get weekday value for orig date param - var strt = date.getDay(); - // Orig date is Sat / positive incrementer - // Jump over Sun - var adj = 0; - if(strt == 6 && amount > 0){ - adj = 1; - }else if(strt == 0 && amount < 0){ - // Orig date is Sun / negative incrementer - // Jump back over Sat - adj = -1; - } - // Get weekday val for the new date - var trgt = strt + days; - // New date is on Sat or Sun - if(trgt == 0 || trgt == 6){ - adj = (amount > 0) ? 2 : -2; - } - // Increment by number of weeks plus leftover days plus - // weekend adjustments - amount = (7 * weeks) + days + adj; - break; - case "year": - property = "FullYear"; - // Keep increment/decrement from 2/29 out of March - fixOvershoot = true; - break; - case "week": - amount *= 7; - break; - case "quarter": - // Naive quarter is just three months - amount *= 3; - // fallthrough... - case "month": - // Reset to last day of month if you overshoot - fixOvershoot = true; - property = "Month"; - break; -// case "hour": -// case "minute": -// case "second": -// case "millisecond": - default: - property = "UTC"+interval.charAt(0).toUpperCase() + interval.substring(1) + "s"; - } - - if(property){ - sum["set"+property](sum["get"+property]()+amount); - } - - if(fixOvershoot && (sum.getDate() < date.getDate())){ - sum.setDate(0); - } - - return sum; // Date -}; - -dojo.date.difference = function(/*Date*/date1, /*Date?*/date2, /*String?*/interval){ - // summary: - // Get the difference in a specific unit of time (e.g., number of - // months, weeks, days, etc.) between two dates, rounded to the - // nearest integer. - // date1: - // Date object - // date2: - // Date object. If not specified, the current Date is used. - // interval: - // A string representing the interval. One of the following: - // "year", "month", "day", "hour", "minute", "second", - // "millisecond", "quarter", "week", "weekday" - // Defaults to "day". - - date2 = date2 || new Date(); - interval = interval || "day"; - var yearDiff = date2.getFullYear() - date1.getFullYear(); - var delta = 1; // Integer return value - - switch(interval){ - case "quarter": - var m1 = date1.getMonth(); - var m2 = date2.getMonth(); - // Figure out which quarter the months are in - var q1 = Math.floor(m1/3) + 1; - var q2 = Math.floor(m2/3) + 1; - // Add quarters for any year difference between the dates - q2 += (yearDiff * 4); - delta = q2 - q1; - break; - case "weekday": - var days = Math.round(dojo.date.difference(date1, date2, "day")); - var weeks = parseInt(dojo.date.difference(date1, date2, "week")); - var mod = days % 7; - - // Even number of weeks - if(mod == 0){ - days = weeks*5; - }else{ - // Weeks plus spare change (< 7 days) - var adj = 0; - var aDay = date1.getDay(); - var bDay = date2.getDay(); - - weeks = parseInt(days/7); - mod = days % 7; - // Mark the date advanced by the number of - // round weeks (may be zero) - var dtMark = new Date(date1); - dtMark.setDate(dtMark.getDate()+(weeks*7)); - var dayMark = dtMark.getDay(); - - // Spare change days -- 6 or less - if(days > 0){ - switch(true){ - // Range starts on Sat - case aDay == 6: - adj = -1; - break; - // Range starts on Sun - case aDay == 0: - adj = 0; - break; - // Range ends on Sat - case bDay == 6: - adj = -1; - break; - // Range ends on Sun - case bDay == 0: - adj = -2; - break; - // Range contains weekend - case (dayMark + mod) > 5: - adj = -2; - } - }else if(days < 0){ - switch(true){ - // Range starts on Sat - case aDay == 6: - adj = 0; - break; - // Range starts on Sun - case aDay == 0: - adj = 1; - break; - // Range ends on Sat - case bDay == 6: - adj = 2; - break; - // Range ends on Sun - case bDay == 0: - adj = 1; - break; - // Range contains weekend - case (dayMark + mod) < 0: - adj = 2; - } - } - days += adj; - days -= (weeks*2); - } - delta = days; - break; - case "year": - delta = yearDiff; - break; - case "month": - delta = (date2.getMonth() - date1.getMonth()) + (yearDiff * 12); - break; - case "week": - // Truncate instead of rounding - // Don't use Math.floor -- value may be negative - delta = parseInt(dojo.date.difference(date1, date2, "day")/7); - break; - case "day": - delta /= 24; - // fallthrough - case "hour": - delta /= 60; - // fallthrough - case "minute": - delta /= 60; - // fallthrough - case "second": - delta /= 1000; - // fallthrough - case "millisecond": - delta *= date2.getTime() - date1.getTime(); - } - - // Round for fractional values and DST leaps - return Math.round(delta); // Number (integer) -}; - -} +//>>built +define("dojo/date",["./_base/kernel","./_base/lang"],function(_1,_2){_2.getObject("date",true,_1);_1.date.getDaysInMonth=function(_3){var _4=_3.getMonth();var _5=[31,28,31,30,31,30,31,31,30,31,30,31];if(_4==1&&_1.date.isLeapYear(_3)){return 29;}return _5[_4];};_1.date.isLeapYear=function(_6){var _7=_6.getFullYear();return !(_7%400)||(!(_7%4)&&!!(_7%100));};_1.date.getTimezoneName=function(_8){var _9=_8.toString();var tz="";var _a;var _b=_9.indexOf("(");if(_b>-1){tz=_9.substring(++_b,_9.indexOf(")"));}else{var _c=/([A-Z\/]+) \d{4}$/;if((_a=_9.match(_c))){tz=_a[1];}else{_9=_8.toLocaleString();_c=/ ([A-Z\/]+)$/;if((_a=_9.match(_c))){tz=_a[1];}}}return (tz=="AM"||tz=="PM")?"":tz;};_1.date.compare=function(_d,_e,_f){_d=new Date(+_d);_e=new Date(+(_e||new Date()));if(_f=="date"){_d.setHours(0,0,0,0);_e.setHours(0,0,0,0);}else{if(_f=="time"){_d.setFullYear(0,0,0);_e.setFullYear(0,0,0);}}if(_d>_e){return 1;}if(_d<_e){return -1;}return 0;};_1.date.add=function(_10,_11,_12){var sum=new Date(+_10);var _13=false;var _14="Date";switch(_11){case "day":break;case "weekday":var _15,_16;var mod=_12%5;if(!mod){_15=(_12>0)?5:-5;_16=(_12>0)?((_12-5)/5):((_12+5)/5);}else{_15=mod;_16=parseInt(_12/5);}var _17=_10.getDay();var adj=0;if(_17==6&&_12>0){adj=1;}else{if(_17==0&&_12<0){adj=-1;}}var _18=_17+_15;if(_18==0||_18==6){adj=(_12>0)?2:-2;}_12=(7*_16)+_15+adj;break;case "year":_14="FullYear";_13=true;break;case "week":_12*=7;break;case "quarter":_12*=3;case "month":_13=true;_14="Month";break;default:_14="UTC"+_11.charAt(0).toUpperCase()+_11.substring(1)+"s";}if(_14){sum["set"+_14](sum["get"+_14]()+_12);}if(_13&&(sum.getDate()<_10.getDate())){sum.setDate(0);}return sum;};_1.date.difference=function(_19,_1a,_1b){_1a=_1a||new Date();_1b=_1b||"day";var _1c=_1a.getFullYear()-_19.getFullYear();var _1d=1;switch(_1b){case "quarter":var m1=_19.getMonth();var m2=_1a.getMonth();var q1=Math.floor(m1/3)+1;var q2=Math.floor(m2/3)+1;q2+=(_1c*4);_1d=q2-q1;break;case "weekday":var _1e=Math.round(_1.date.difference(_19,_1a,"day"));var _1f=parseInt(_1.date.difference(_19,_1a,"week"));var mod=_1e%7;if(mod==0){_1e=_1f*5;}else{var adj=0;var _20=_19.getDay();var _21=_1a.getDay();_1f=parseInt(_1e/7);mod=_1e%7;var _22=new Date(_19);_22.setDate(_22.getDate()+(_1f*7));var _23=_22.getDay();if(_1e>0){switch(true){case _20==6:adj=-1;break;case _20==0:adj=0;break;case _21==6:adj=-1;break;case _21==0:adj=-2;break;case (_23+mod)>5:adj=-2;}}else{if(_1e<0){switch(true){case _20==6:adj=0;break;case _20==0:adj=1;break;case _21==6:adj=2;break;case _21==0:adj=1;break;case (_23+mod)<0:adj=2;}}}_1e+=adj;_1e-=(_1f*2);}_1d=_1e;break;case "year":_1d=_1c;break;case "month":_1d=(_1a.getMonth()-_19.getMonth())+(_1c*12);break;case "week":_1d=parseInt(_1.date.difference(_19,_1a,"day")/7);break;case "day":_1d/=24;case "hour":_1d/=60;case "minute":_1d/=60;case "second":_1d/=1000;case "millisecond":_1d*=_1a.getTime()-_19.getTime();}return Math.round(_1d);};return _1.date;});
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