[FLEX-33816] Uneven tickmarks in DateTimeAxis for consecutive dates in disabledRanges & disabledDays

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Charts
• Assignee: Unassigned
• Reporter: Manohar Joshi
• Created: 11/Oct/13 20:17
• Updated: 11/Oct/13 20:55

Description

Steps to reproduce:
-Create a chart using DateTimeAxis with sample data below.
-Apply dataUnits="weeks"
-Apply disabledDays of [0,6]
-Apply disabledRanges containing say Aug 26, which is Monday.
-So, there are 3 consecutive disabled dates.

Expected result:
Chart to show labels at equal intervals.

Actual result:
Uneven tickmarks appear on the axis.
Chart will skip a label 8/26, which is correct, as it is a holiday.
But that creates a gaps on the axis. (See "Before" in attached screencap).

Workaround (if any):
Idea is to move it to next working day, instead. So, it will not skip the label.
Thus, now it will show 8/27 & 9/3. (See "After" in attached screencap).

Modify DateTimeAxis to replace all occurrences of:
i = tmp.time;
by
i = dateSkipOffDays(tmp.time);

Add following functions:
public function dateSkipOffDays(time:Number):Number
{
var pDate:Date = new Date(time);
var holidays:Array = disabledRanges;
if( ! ( isWeekend(pDate) || isHoliday(pDate) ) )
return pDate.time;
else

{ pDate.setDate(pDate.getDate() + 1); return dateSkipOffDays(pDate.time); }

}

public function isHoliday(pDate:Date):Boolean
{
var holidays:Array = disabledRanges;
if(holidays) {
for(var i:int=0; i<holidays.length; i++)

{ var date:Date = holidays[i]; var diff:int = dateDiff(date,pDate); if(diff==0) return true; }

}
return false;
}

public static function dateDiff(pStartDate:Date, pEndDate:Date):int

{ var _differenceDays:int=Math.ceil((pEndDate.getTime() - pStartDate.getTime()) / MILLISECONDS_IN_DAY); return _differenceDays; }

public function isWeekend(pDate:Date):Boolean
{
if (pDate.day == 0)

{ return true; }
else if (pDate.day == 6)
{ return true; }

return false;
}

Sample data:
8/12/2013 197.75
8/13/2013 198.48
8/14/2013 198.45
8/15/2013 198.34
8/16/2013 197.58
8/19/2013 197
8/20/2013 197.46
8/21/2013 197.11
8/22/2013 197.47
8/23/2013 197.67
8/27/2013 197
8/28/2013 196.86
8/29/2013 196.66
8/30/2013 196.71
9/3/2013 196.79
9/4/2013 196.57
9/5/2013 196.99
9/6/2013 196.41
9/9/2013 197.09
9/10/2013 197.61