[wx-dev] wxDataViewCtrl Tree API

[Robin Dunn]

Robert Roebling wrote:
> Robin Dunn:
>> Bo Yang wrote:
>>
>>> Yes, there is no relation between collapsing/expanding and ID. ID is
>>> just a way to exchange data between Model and view, just like the row
>>> number, the pinter or the GtkTreeIter and etc.
>> I haven't read the other new messages in this thread yet, so I don't 
>> know if anybody else has covered this or not, but I thought I would jump 
>> in here and say that I like the concept of an ID object like we have 
>> currently in wxTreeCtrl.  It can be an opaque object that internally 
>> does what ever is needed to identify items for each platform.  In fact 
>> some newbies get confused by the fact that wxListCtrl doesn't use an 
>> opaque ID object like this but uses the rows, which can change by 
>> sorting and insertions/deletions.  If there is a way to have an ID 
>> object that always refers to the same item, even if it moves around, 
>> then I think that will help simplify some use cases for some people.
> 
> This ID object is what I'd like to have as the wxDataViewIter (or
> any other name for it). This is exactly what I wrote in my last mail
> about wxDataViewIter being persistent.

Yep, I came to that conclusion after reading the rest of the messages. 
Thanks.

-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java give you jitters?  Relax with wxPython!