[Qt-interest] QSortFilterProxyModel - the parent item does not match i want to go down to the child as well and filter

[Sajjad]

Any other suggestion to achieve this efficient manner to avoid this run-time
issue?


Regards
Sajjad

On Mon, Nov 15, 2010 at 3:21 AM, Scott Aron Bloom <Scott.Bloom at onshorecs.com
> wrote:

> Its actually quite easy to do.
>
>
>
> However, it can be very very expensive from a runtime POV.. since the
> complete child tree will have to be evaluated
>
>
>
> Simply derive from QSFPM and overload filterAcceptsRow
>
>
>
> Scott
>
>
>
> *From:* qt-interest-bounces at trolltech.com [mailto:
> qt-interest-bounces at trolltech.com] *On Behalf Of *Sajjad
> *Sent:* Sunday, November 14, 2010 5:38 PM
> *To:* qt-interest at trolltech.com
> *Subject:* [Qt-interest] QSortFilterProxyModel - the parent item does not
> match i want to go down to the child as well and filter
>
>
>
> Hello forum,
>
>
>
> I have loaded a database in the tree-hierarchy with the QTreeView and i
> want to highlight a particular tree item by the regular expression entered
> by  the user in
>
> the line edit.
>
>
>
> I am using the QSortFilterProxyModel to get this done. According to  the
> manual ,
>
>
>
> For hierarchical models, the filter is applied recursively to all children.
> *If a parent item doesn't match the filter, none of its children will be
> shown.*
>
>
>
> I want to over-ride the feature in the bold text and i want to apply filter
> both to the parent and child . But the parent item does not match i want to
> go down to the
>
>
>
> child as well.
>
>
>
> I think i have to subclass the QSortFilterProxyModel. Am in the right
> track?
>
>
>
>
>
> Regards
>
> Sajjad
>
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