Rev 20 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | reyssat | 1 | /* |
| 2 | DynAPI Distribution |
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| 10534 | obado | 3 | dynapi.functions.Date extension |
| 20 | reyssat | 4 | */ |
| 5 | |||
| 6 | var f = dynapi.functions; |
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| 7 | f.Date = {}; // used by dynapi.library |
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| 8 | |||
| 9 | // Date Functions -------------------------------------- |
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| 10 | |||
| 11 | f.dateAdd = function(interval,n,dt){ |
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| 10534 | obado | 12 | if(!interval||!n||!dt) return; |
| 20 | reyssat | 13 | var s=1,m=1,h=1,dd=1,i=interval; |
| 14 | if(i=='month'||i=='year'){ |
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| 15 | dt=new Date(dt); |
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| 16 | if(i=='month') dt.setMonth(dt.getMonth()+n); |
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| 10534 | obado | 17 | if(i=='year') dt.setFullYear(dt.getFullYear()+n); |
| 20 | reyssat | 18 | }else if (i=='second'||i=='minute'||i=='hour'||i=='day'){ |
| 19 | dt=Date.parse(dt); |
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| 20 | if(isNaN(dt)) return; |
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| 21 | if(i=='second') s=n; |
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| 22 | if(i=='minute'){s=60;m=n} |
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| 23 | if(i=='hour'){s=60;m=60;h=n}; |
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| 24 | if(i=='day'){s=60;m=60;h=24;dd=n}; |
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| 25 | dt+=((((1000*s)*m)*h)*dd); |
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| 26 | dt=new Date(dt); |
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| 27 | } |
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| 28 | return dt |
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| 29 | }; |
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| 30 | f.dateDiff=function(interval,dt1,dt2){ |
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| 10534 | obado | 31 | if(!interval||!dt1||!dt2) return; |
| 32 | var v,s=1,m=1,h=1,dd=1,i=interval; |
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| 20 | reyssat | 33 | if(i=='month'||i=='year'){ |
| 34 | dt1=new Date(dt1); |
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| 35 | dt2=new Date(dt2); |
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| 36 | years=dt2.getFullYear()-dt1.getFullYear(); |
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| 37 | if (i=='year') v=years; |
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| 38 | else if(i=='month') { |
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| 39 | v=(dt2.getMonth()+1)-(dt1.getMonth()+1); |
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| 10534 | obado | 40 | if(years!=0) v+=(years*12); |
| 20 | reyssat | 41 | } |
| 42 | }else if (i=='second'||i=='minute'||i=='hour'||i=='day'){ |
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| 43 | dt1=Date.parse(dt1); |
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| 44 | dt2=Date.parse(dt2); |
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| 45 | if(isNaN(dt1)||isNaN(dt2)) return; |
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| 46 | v=dt2-dt1; |
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| 47 | if(i=='second') s=1000; |
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| 48 | if(i=='minute') s=60000; |
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| 49 | if(i=='hour'){s=60000;m=60}; |
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| 50 | if(i=='day'){s=60000;m=60;h=24;}; |
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| 51 | v=((((v/s)/m)/h)/dd); |
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| 52 | } |
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| 53 | return v; |
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| 54 | }; |
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| 55 | f.formatDate = function(date,format){ |
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| 56 | if(!date) return ''; |
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| 57 | var dt=new Date(date); |
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| 58 | var mm=dt.getMonth(); |
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| 59 | var dd=dt.getDate(); |
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| 60 | var day=dt.getDay(); |
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| 61 | var yyyy=dt.getFullYear(); |
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| 62 | var hh=dt.getHours(); |
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| 63 | var nn=dt.getMinutes(); |
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| 64 | var ss=dt.getSeconds(); |
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| 65 | var ampm |
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| 66 | |||
| 67 | var days=['Sunday','Monday','Teusday','Wednesday','Thursday','Friday','Saturday']; |
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| 68 | var months=['January','February','March','April','May','June','July','August','September','October','November','December']; |
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| 69 | |||
| 70 | format=(format)? (format+'').toLowerCase():'dddd, mmmm dd, yyyy hh:nn:ss ampm'; |
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| 71 | format=format.replace('mmmm',months[mm]); |
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| 72 | format=format.replace('mmm',months[mm].substr(0,3)); |
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| 73 | format=format.replace('mm',mm+1); |
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| 74 | format=format.replace('dddd',days[day]); |
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| 75 | format=format.replace('ddd',days[day].substr(0,3)); |
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| 76 | format=format.replace('dd',dd); |
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| 77 | format=format.replace('yyyy',yyyy); |
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| 78 | if(format.indexOf('ampm')>0){ |
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| 79 | if(hh>12) hh=hh-12; |
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| 80 | if(hh<12) ampm='AM'; |
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| 81 | else ampm='PM'; |
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| 82 | format=format.replace('ampm',ampm); |
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| 83 | } |
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| 84 | format=format.replace('hh',hh); |
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| 85 | format=format.replace('nn',nn); |
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| 86 | format=format.replace('ss',ss); |
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| 87 | |||
| 88 | return format; |
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| 89 | }; |
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| 90 | f.isDate = function(dt,format){ |
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| 91 | if (!dt) return false; |
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| 92 | var dd,mm,yyyy; |
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| 93 | var isLeapYear,st=true,delim='/'; |
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| 94 | dt+='';format=(format)? format+'':''; |
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| 95 | if(dt.indexOf('/')>=0) delim='/'; |
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| 96 | else if(dt.indexOf('-')>=0) delim='-'; |
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| 97 | else if(dt.indexOf(' ')>=0) delim=' '; |
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| 98 | dt=dt.split(delim); |
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| 99 | if(format) format=format.replace(/\W/g,'/'); |
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| 100 | else { |
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| 101 | if (dt[0]>=1000) format='yyyy/mm/dd'; |
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| 102 | else if (dt[0]>=12 && dt[1]<=12) format='dd/mm/yyyy'; |
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| 103 | else if (dt[0]<=12 && dt[1]>=12) format='mm/dd/yyyy'; |
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| 104 | }; |
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| 105 | if(format=='yyyy/mm/dd'){yyyy=dt[0];mm=dt[1];dd=dt[2];} |
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| 106 | else if(format=='mm/dd/yyyy'){mm=dt[0];dd=dt[1];yyyy=dt[2];} |
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| 107 | else if(format=='dd/mm/yyyy'){dd=dt[0];mm=dt[1];yyyy=dt[2];} |
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| 108 | if(isNaN(dd)||isNaN(mm)||isNaN(yyyy)) st=false; |
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| 109 | else if(dd<1 || dd>31) st=false; |
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| 110 | else if(yyyy>9999) st=false; |
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| 111 | else if (mm < 1 || mm > 12) st=false; |
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| 112 | else if((mm==4 || mm==6 || mm==9 || mm==11) && dd==31) st=false; |
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| 113 | else if(mm==2) { // check for leap year and february 29th |
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| 114 | isLeapYear = (yyyy % 4 == 0 && (yyyy % 100 != 0 || yyyy % 400 == 0)); |
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| 115 | if (dd > 29 || (dd==29 && !isLeapYear)) st=false; |
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| 116 | } |
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| 117 | return st; |
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| 118 | }; |