display watch or digital clock

Question

I want to show only the time left out of the total time allocated by me.

Anyone can help me out on this?

Deepak gupta · Accepted Answer

In the meantime until Appian introduce the functionality, you can refresh the time after every 30 seconds by using refresh interval and show that time.

Chris · Answer

Just for an OOTB example, I implemented something for a similar requirement with a!gaugeField() for a countdown timer in a Meeting Minute type app:

/* rule inputs are datetime */

a!localVariables(
  local!notSet: or(
    rule!APN_isEmpty(ri!start),
    rule!APN_isEmpty(ri!end),
    rule!APN_isEmpty(ri!current),
    ri!current<ri!start
  ),
  local!hours: if(local!notSet,0,hour(tointervalds(ri!end-ri!start))),
  local!minutes: if(local!notSet,0,minute(tointervalds(ri!end-ri!start))),
  local!duration: if(local!notSet,0,(local!hours*60)+local!minutes),
  local!curHoursIn: if(local!notSet,0,hour(tointervalds(ri!current-ri!start))),
  local!curMinutesIn: if(local!notSet,0,minute(tointervalds(ri!current-ri!start))),
  local!durationIn: if(local!notSet,0,(local!curHoursIn*60)+local!curMinutesIn),
  local!remainingMinutes: if(local!notSet,0,if(local!durationIn>local!duration,0,local!duration-local!durationIn)),
  local!pct: if(local!notSet,0,trunc((local!durationIn/local!duration)*100,0)),

  {
    a!gaugeField(
      labelPosition: "COLLAPSED",
      percentage: local!pct,
      primaryText: if(local!notSet,"---",local!remainingMinutes),
      secondaryText: "mins remain",
      color: rule!MM_getGaugeColorForPct(
        pct: local!pct,
        notSet: local!notSet
      ),
      size: "MEDIUM",
      align: "CENTER",
    )
  }
)

Helper rule!MM_getGaugeColorForPct() (this could be optimized..):

if(
  ri!notSet,
  "#afafaf",
  if(
    ri!pct < 20,
    "#008000",
    if(
      and(
        ri!pct >= 20,
        ri!pct < 40
      ),
      "#a4d100",
      if(
        and(
          ri!pct >= 40,
          ri!pct < 60
        ),
        "#f9fc00",
        if(
          and(
            ri!pct >= 60,
            ri!pct < 80
          ),
          "#ff8500",
          if(
            ri!pct >= 80,
            "#ff0500",
            "#afafaf"
          )
        )
      )
    )
  )
)

Mike Schmitt · Answer

Chris said: this could be optimized.. 
 hint: a!match() executes its "whenTrue" parameters in order, choosing only the first one that returns true (which would get rid of your and() statements altogether, because you'd just go from the bottom up in evaluating values of ri!pct). 
 Edit: i got bored so a!match(
 value: ri!pct,
 
 whenTrue: ri!notSet,
 then: "#afafaf",
 
 whenTrue: fv!value < 20,
 then: "#008000",
 
 whenTrue: fv!value < 40,
 then: "#a4d100",
 
 whenTrue: fv!value < 60,
 then: "#f9fc00",
 
 whenTrue: fv!value < 80,
 then: "#ff8500",
 
 whenTrue: fv!value >= 80,
 then: "#ff0500",
 
 default: "#afafaf"
)

display watch or digital clock

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