[udig-devel] feature editing vs events (or who did what when)

[Jesse Eichar]

I've tried and If I change some minor things I can make it better but  
I think I do want to make some suggestions.

Jesse
On 7-Jun-06, at 8:00 AM, Jody Garnett wrote:

> Jesse Eichar wrote:
>> I have added detection during editing so you are notified when the  
>> data you are editing changes.  Unfortunately the event model is  
>> really bad and I am having difficulty determining whether or not  
>> the change requires an update to the geometry or not.  Take this  
>> as an example.  Suppose you are editing a polygon and some one  
>> else modifies that polygon.  You want to know that the polygon has  
>> changed so that you can decide to ignore the change and overwrite  
>> it, or cancel you changes, get the update and restart you editing.
>>
>> Well the problem comes that the event system is VERY basic and I  
>> can't tell what changes are occurring from external sources and  
>> what are from the current source.  I also can't determine if the  
>> geometry has been modified or if attributes have been modified.  I  
>> will make changes so that it is less obtrusive for the time being  
>> until I can improve slightly on the events.
> Jesse you may be able to tell based on the transaction associated  
> with the event. If you have specific needs lets jump on the FM  
> branch and make sure the next lot of events is suitable for you?
>
> Jody
>
>
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