setDateRange method
Sets the selected date range.
startTime
The start date of selected range.
endTime
The end date of selected range.
Implementation
void setDateRange(DateTime startTime, DateTime endTime) {
startTime = _ensureSeconds(startTime, 0, 0);
endTime = _ensureSeconds(endTime, 59, 999);
_startTime = startTime;
_endTime = endTime;
print('Selected Date Range: $startTime >> $endTime');
_updateTextElement();
onChange.add(this);
}