Re: [PHP-GTK] GtkTreeView, database and load data on demand

Hi Christian!

Seems to be a solution for me, I will try it.

Thank you!



Am 26.11.2009 um 21:35 schrieb Christian Weiske:

> Hello Alexander,
>
>
>> Hm, I think my explaination was not really clear. :-)
> It was actually very clear.
>
>> For example, I had a table with 300000 rows, and I want them to view
>> in a TreeView over a slow WAN link.
>> To save time, bandwidth and memory it would be great to load only a
>> part of the whole data, that part that is needed
>> to draw the TreeView on the screen.
> Yep, and I was talking about that. Note that I am talking about
> php-gtk2.
>
>> To do this, I need at least:
>>    * the Rows that are currently on the screen
>>    * signals on scrolling/resizing of the TreeView to load the
>> needed Data from the DB
>>    * manupulating the scrollbar
> You do not need any of this, because the treeview automatically does
> this for you.
>
> The only thing you need to do is adding dummy rows to your  
> GtkListStore
> and have your cell renderer fetch the row data from database that is
> going to be displayed.
>
> -- 
> Regards/Mit freundlichen Grüßen
> Christian Weiske
>
> -= Geeking around in the name of science since 1982 =-