flash on 2012-9-13

/**
 * Copyright majoraze ( http://wonderfl.net/user/majoraze )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/suO8
 */

package {
    import flash.text.TextField;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        
        private var txt:TextField = new TextField();
        
        public function FlashTest() {
            // write as3 code here..
            txt = new TextField()
            txt.text = 'oi';
            addChild(txt);
            
            var dateNow:Date = new Date();
var checkDate:String = "12/22/2000";
var dateBirthday:Date = dateStringToObject(checkDate);
trace("dateNow = "+dateNow);
trace("dateBirthday = "+dateBirthday);
calculateAge(dateBirthday)
            
            txt.text = calculateAge(dateBirthday);
        }

    private function calculateAge(birthdate:Date):String {
        var dtNow:Date = new Date();// gets current date
        var currentMonth:Number = dtNow.getMonth() + 1 ;
        var currentDay:Number = dtNow.getDate();
        var currentYear:Number = dtNow.getFullYear();
        
        var bdMonth:Number = birthdate.getMonth() + 1;
        var bdDay:Number = birthdate.getDate();
        var bdYear:Number = birthdate.getFullYear();
        
        // get the difference in years
        var years:Number = dtNow.getFullYear() - birthdate.getFullYear();
        var months:Number
        var weeks:Number
        var days:Number
        
        // subtract another year if we're before the
        // birth day in the current year
        if (currentMonth < bdMonth || (currentMonth == bdMonth && currentDay < bdMonth)){
        months = currentMonth - bdMonth - 1
        
        if(currentDay > bdDay){
        months++
        days = currentDay - bdDay
        weeks = Math.floor(days / 7)
        days %=7
        
        }else if(currentDay == bdDay){
        months++
        days = 0;
        weeks = 0
        }else{// currentDay is smaller than bdDay
        // this is not trivial
        // here we calculate the days from the bdDay of the previous month + currentDay
        days = getDays(currentMonth - 1, dtNow) - bdDay + currentDay
        weeks = Math.floor(days / 7)
        days %=7
        }
        }else if(currentMonth == bdMonth){
        
        if(currentDay > bdDay){
        months = 0
        days = currentDay - bdDay
        weeks = Math.floor(days / 7)
        days %=7
        }else if(currentDay == bdDay){
        months = 0
        days = 0
        weeks = 0
        }else{// currentDay is smaller than bdDay
        months = 11
        days = getDays(currentMonth - 1, dtNow) - bdDay + currentDay
        weeks = Math.floor(days / 7)
        days %=7
        }
        }else{ // this is when the currentMonth is smaller than bdMonth
        months = (12 - bdMonth) + (currentMonth - 1)
        
        if(currentDay > bdDay){
        months++
        days = currentDay - bdDay
        weeks = Math.floor(days / 7)
        days %=7
        }else if(currentDay == bdDay){
        months++
        days = 0
        weeks = 0
        }else{// currentDay is smaller than bdDay
        days = getDays(currentMonth - 1, dtNow) - bdDay + currentDay
        weeks = Math.floor(days / 7)
        days %=7
        }
        }
        
        return years + " years, " + months + " months, " + weeks + " weeks, " + days + " days old" ;
        trace ("age:" + years)
        trace ("months:" + months)
        trace ("weeks:" + weeks)
        trace ("days:" + days)
        
        //var time:String = years + " years, " + months + " months, " + weeks + " weeks, " + days + " days old" ;
        
        //time_txt.text = time;
    }
    
    private function getDays(previousMonth:Number, nowDate:Date):Number{
    
        var residual:Number = nowDate.getFullYear()%4
        trace("Is leap =" + residual)
        
        trace("previousMonth=" + previousMonth )
        switch(previousMonth){
        case 0://December
        return 31
        break
        case 1://Jaunary
        return 31
        break
        case 2://February
        if (residual == 0){
        return 29
        }else{
        return 28
        }
        break
        
        case 3://March
        return 31
        break
        case 4://April
        return 30
        break
        case 5://May
        return 31
        break
        
        case 6://June
        return 30
        break
        case 7://Jul
        return 31
        break
        case 8://Aug
        return 31
        break
        
        case 9://Sep
        return 30
        break
        case 10://Oct
        return 31
        break
        case 11://Nov
        return 30
        break
        }
        
        return 0
    }
    
    private function dateStringToObject(dateString:String):Date {
        var date_ar:Array = dateString.split("/");
        return new Date(date_ar[2],date_ar[0] - 1,date_ar[1]);
    }
    }
}