108 lines
2.8 KiB
JavaScript
108 lines
2.8 KiB
JavaScript
// JScript source code
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var DayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
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var oneMinute=1000*60;
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var intervalObject=new Object();
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intervalObject["yyyy"]={units:1000*60*60*24*365,measure:"year"};
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intervalObject["m"]={units:1000*60*60*24*30,measure:"month"};
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intervalObject["d"]={units:1000*60*60*24,measure:"day"};
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intervalObject["Q"]={units:intervalObject["m"].units*3,measure:"quarter"};
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intervalObject["H"]={units:oneMinute*60,measure:"hour"};
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intervalObject["N"]={units:oneMinute,measure:"minute"};
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intervalObject["S"]={units:1000,measure:"second"};
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function DateDiff(dateAddObj){
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this.interval=dateAddObj.interval;
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this.date1=dateAddObj.date1;
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this.date2=dateAddObj.date2;
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this.calculate=calculate;
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this.calculate();
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}
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Date.prototype.DateDiff=DateDiff;
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function calculate(){
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var paramDate1=new String(this.date1);
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splitDate1=paramDate1.split("-");
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paramDateYear1=splitDate1[0];
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paramDateMonth1=splitDate1[1]-1;
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paramDateDay1=splitDate1[2];
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if(paramDateMonth1>12){
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alert("Invalid Month!");
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return false;
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}
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if(paramDateDay1>31){
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alert("Invalid Day!");
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return false;
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}
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var paramDate2=new String(this.date2);
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splitDate2=paramDate2.split("-");
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paramDateYear2=splitDate2[0];
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paramDateMonth2=splitDate2[1]-1;
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paramDateDay2=splitDate2[2];
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if(paramDateMonth2>12){
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alert("Invalid Month!");
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return false;
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}
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if(paramDateDay2>31){
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alert("Invalid Day!");
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return false;
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}
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var paramDate1Object=new Date(paramDateYear1,paramDateMonth1,paramDateDay1);
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paramDate1Object.setHours(0);
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paramDate1Object.setMinutes(0);
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paramDate1Object.setSeconds(0);
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//paramDate1Object.getTimezoneOffset() * oneMinute;
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var paramDate1ObjectTime=paramDate1Object.getTime();
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var paramDate2Object=new Date(paramDateYear2,paramDateMonth2,paramDateDay2);
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paramDate2Object.setHours(0);
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paramDate2Object.setMinutes(0);
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paramDate2Object.setSeconds(0);
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var paramDate2ObjectTime=paramDate2Object.getTime();
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if(paramDate2Object>paramDate1Object){
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DSTAdjust=(paramDate2Object.getTimezoneOffset() - paramDate1Object.getTimezoneOffset()) * oneMinute;
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}
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else{
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DSTAdjust=(paramDate1Object.getTimezoneOffset() - paramDate2Object.getTimezoneOffset()) * oneMinute;
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}
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if(typeof intervalObject[this.interval]!="undefined"){
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if(typeof intervalObject[this.interval].units=="undefined"){
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alert("Interval is invalid!");
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return false;
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}
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var diff=Math.abs(paramDate2ObjectTime-paramDate1ObjectTime) - DSTAdjust;
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var timeDiff=Math.floor(diff/intervalObject[this.interval].units);
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if(timeDiff>1){
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var rname=intervalObject[this.interval].measure + "s";
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}
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else{
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var rname=intervalObject[this.interval].measure;
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}
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this.difference=parseInt(timeDiff);
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}
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else{
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this.difference="Wrong format of interval!";
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}
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}
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