[PyQt] Model/View programming

[Scott Frankel]

On May 6, 2010, at 9:46 AM, Philippe Crave wrote:

> actually, I just want to loop over the rows.
> I do not find a max_row, or an iterator over the rows of a Table.

Take a look at your model's rowCount() and record() methods.  I think  
you'll want to be iterating over the records in your model, not the  
tableview itself.

Scott


> 2010/5/6 Philippe Crave <philippe.crave at gmail.com>:
>> thank you, both of you !
>> I will check the filtering solution.
>> I am now implementing the setColumnHidden. just have to customize a
>> QTableView class. seems simple.
>>
>> by the way, do you know how to get the total number of row in a  
>> table ?
>> i must be blind, but I could not find it.
>>
>> 2010/5/6 Christian Brugger <brugger.chr at googlemail.com>:
>>> Just to outline my idea a bit more:
>>> Yeah one model class and one view class. But with different  
>>> filters between
>>> model and views. You wouldn't just attach your 2 views to your  
>>> model, but
>>> rather would attach each view to an individual filter (could be  
>>> two objects
>>> of the same custom filter class) and then would attach both  
>>> filters to your
>>> model. Such a custom filter could be created as described in the  
>>> docs:
>>> http://doc.trolltech.com/4.6/model-view-proxy-models.html#custom-filtering-models
>>> But as far as I see, Benjamin has found a much simpler solution,  
>>> if you only
>>> want so hide columns. I would test his suggestion first and check  
>>> if it fits
>>> your needs.
>>> Christian
>>>
>>> On Thu, May 6, 2010 at 5:15 PM, Philippe Crave <philippe.crave at gmail.com 
>>> >
>>> wrote:
>>>>
>>>> looks like that I have to do a QAbstractTableModel for each  
>>>> QTableView, no
>>>> ?
>>>> sounds strange, I thought that the idea was to have only one model
>>>> that will serve data to several views.
>>>>
>>>> 2010/5/6 Philippe Crave <philippe.crave at gmail.com>:
>>>>> Hello,
>>>>>
>>>>> I am reading the chapter 14 of Mark Summerfield.
>>>>> I work with custom model and custom delegate.
>>>>>
>>>>> in the sample from the book, we have 1 tableView linked to one  
>>>>> model.
>>>>> It's simple to get 2 tableView linked to the same model.
>>>>>
>>>>> my Model has got 4 columns.
>>>>> I would like that TableView_1 show the 2 first column only, and
>>>>> TableView_2 show the 2 others.
>>>>>
>>>>> what is the good way to do it ?
>>>>> actually, the content of the model will be given to the view in  
>>>>> the
>>>>> data(self, index, role=Qt.DisplayRole) method from the custom  
>>>>> model.
>>>>> is there a way to know which view needs data in that data method ?
>>>>>
>>>>> thanks,
>>>>>
>>>>> Philippe
>>>>>
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>>
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