johnf wrote:
> On Thursday 12 June 2008 11:24:29 pm Uwe Grauer wrote:
>> johnf wrote:
>>> It seems that everyone needs a lookup control.   I created my own and so
>>> has Nate.  I'm sure Paul has too.  Does anyone believe that a generic
>>> lookup control can be created for Dabo?
>> Can you explain what exactly you mean?
>> Do you think of a generic combobox which is able to lookup string
>> entries for a given foreign Key of a record or are you after a lookup
>> dialog which for example is able to add a adress record to a person
>> record?
>>
>> Uwe
> 
> Not only FK's but PK's too.  
> 
> The classic:
> 
> You have a customer screen and need to retrieve the info.  Or lookup a 
> invoice 
> number to retrieve the detail lines.  
> 
> In my case I have a class that uses a table containing meta data.  The table 
> has the name of the required table, the associated field name, etc..  Then 
> the class determines the size of the grid for the display.  
> 
> But if you think about it almost every app needs a why to do a lookup .

I don't think that your method of using a "metadata table" is generic 
enough to develop a lookup control for Dabo which is of enough help for 
other people. Your "metadata table" is too application specific for
your use case. A special use case doesn't fit into a generic framework.

Uwe


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