I have found that code containing nested switch/case statements fail
to work correctly even though they compile without errors.
I'm including two different versions of the same code, one using
switch/case statements, the other using if/else statements.
The switch/case version won't allow me to set breakpoints or examine
variables in the code following the switch/case statements, although I
can single-step through each line of the code during debugging.
The if/else version works as expected.
***** SWITCH/CASE VERSION *****
private function clickHandler(clickEvent:ItemClickEvent):void {
switch (clickEvent.index)
{
case VIEW_PREVIOUS: // Previous
{
switch (ecModel.viewingMode)
{
case (EventCalendarModel.VIEWING_MODE_DAYS):
ecModel.addDaysToSelectedTime(-1);
break;
case (EventCalendarModel.VIEWING_MODE_WEEKS):
ecModel.addWeeksToSelectedTime(-1);
break;
case (EventCalendarModel.VIEWING_MODE_MONTHS):
ecModel.addMonthsToSelectedTime(-1);
break;
}
}
break;
case VIEW_DATESELECTOR: // Select date
break;
case VIEW_NEXT: // Next
switch (ecModel.viewingMode)
{
case (EventCalendarModel.VIEWING_MODE_DAYS):
ecModel.addDaysToSelectedTime(1);
break;
case (EventCalendarModel.VIEWING_MODE_WEEKS):
ecModel.addWeeksToSelectedTime(1);
break;
case (EventCalendarModel.VIEWING_MODE_MONTHS):
ecModel.addMonthsToSelectedTime(1);
break;
}
break;
}
// Explicitly generate a PropertyChangeEvent so binding will work as
expected
if (ecPreviousDate.getTime() != ecModel.selectedTime.getTime())
{
var pcEvent:PropertyChangeEvent = new
PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE);
pcEvent.kind = "update";
pcEvent.property = "selectedTime";
pcEvent.oldValue = ecPreviousDate.getTime();
pcEvent.newValue = ecModel.selectedTime.getTime();
pcEvent.source = ecModel;
dispatchEvent(pcEvent);
}
}
}
***** IF/ELSE VERSION *****
private function clickHandler(clickEvent:ItemClickEvent):void {
var ecPreviousDate:Date = new Date(ecModel.selectedTime);
if (clickEvent.index == VIEW_PREVIOUS) // Previous button clicked
{
if (ecModel.viewingMode == EventCalendarModel.VIEWING_MODE_DAYS)
{ // Previous Day
ecModel.addDaysToSelectedTime(-1);
}
else if (ecModel.viewingMode ==
EventCalendarModel.VIEWING_MODE_WEEKS)
{ // Previous Week
ecModel.addWeeksToSelectedTime(-1);
}
else if (ecModel.viewingMode ==
EventCalendarModel.VIEWING_MODE_MONTHS)
{ // Previous Month
ecModel.addMonthsToSelectedTime(-1);
}
}
else if (clickEvent.index == VIEW_NEXT) // Next button clicked
{
if (ecModel.viewingMode == EventCalendarModel.VIEWING_MODE_DAYS)
{
ecModel.addDaysToSelectedTime(1);
}
else if (ecModel.viewingMode ==
EventCalendarModel.VIEWING_MODE_WEEKS)
{
ecModel.addWeeksToSelectedTime(1);
}
else if (ecModel.viewingMode ==
EventCalendarModel.VIEWING_MODE_MONTHS)
{
ecModel.addMonthsToSelectedTime(1);
}
}
// Explicitly generate a PropertyChangeEvent so binding will work as
expected
if (ecPreviousDate.getTime() != ecModel.selectedTime.getTime())
{
var pcEvent:PropertyChangeEvent = new
PropertyChangeEvent(PropertyChangeEvent.PROPERTY_CHANGE);
pcEvent.kind = "update";
pcEvent.property = "selectedTime";
pcEvent.oldValue = ecPreviousDate.getTime();
pcEvent.newValue = ecModel.selectedTime.getTime();
pcEvent.source = ecModel;
dispatchEvent(pcEvent);
}
}
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