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CalendarCombo Error Handling [message #65790]

Fri, 17 July 2009 13:34

Eclipse User

If I edit the date in a CalendarCombo directly and enter an invalid
format, the following exception is thrown:

org.eclipse.nebula.widgets.calendarcombo.CalendarDateParseEx ception: Date
format does not match date string in terms of splitter character numbers
at
org.eclipse.nebula.widgets.calendarcombo.DateHelper.slashPar se(DateHelper.java:540)
at
org.eclipse.nebula.widgets.calendarcombo.DateHelper.parse(Da teHelper.java:158)
at
org.eclipse.nebula.widgets.calendarcombo.CalendarCombo.parse TextDate(CalendarCombo.java:943)
at
org.eclipse.nebula.widgets.calendarcombo.CalendarCombo.acces s$7(CalendarCombo.java:923)
at
org.eclipse.nebula.widgets.calendarcombo.CalendarCombo$2.han dleEvent(CalendarCombo.java:454)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
...

How do I catch this exception so I can provide the user with some useful
feedback? My current workaround is to make the CalendarCombo
SWT.READ_ONLY...

Re: CalendarCombo Error Handling [message #468353 is a reply to message #65790]

Wed, 05 August 2009 04:27

Eclipse User

Hi Eric,

I've added code to CVS that will let you listen to exceptions (as they are not exceptions I can throw back to the user in any other way).

To listen to date parse exceptions you can now do:

combo.addDateParseExceptionListener(new IDateParseExceptionListener() {
            public void parseExceptionThrown(CalendarDateParseException dateParseException) {
                System.out.println("Date parse exception was thrown: " + dateParseException.getMessage());
            }		    
});

If there is any listeners the normal stacktrace will not be printed out, if there aren't any, then it will be printed out.

The CalendarDateParseException class now also contains a method where you can get the error type if you so wish, check the javadoc.

New code is in CVS, I will update nightly builds later.

Let me know if you spot any issues with any of that.

Regards,
Emil

Re: CalendarCombo Error Handling [message #595833 is a reply to message #65790]

Wed, 05 August 2009 04:27

Eclipse User

Hi Eric,

I've added code to CVS that will let you listen to exceptions (as they are not exceptions I can throw back to the user in any other way).

To listen to date parse exceptions you can now do:

combo.addDateParseExceptionListener(new IDateParseExceptionListener() {
public void parseExceptionThrown(CalendarDateParseException dateParseException) {
System.out.println("Date parse exception was thrown: " + dateParseException.getMessage());
}
});

If there is any listeners the normal stacktrace will not be printed out, if there aren't any, then it will be printed out.

The CalendarDateParseException class now also contains a method where you can get the error type if you so wish, check the javadoc.

New code is in CVS, I will update nightly builds later.

Let me know if you spot any issues with any of that.

Regards,
Emil

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