[PyQt] identify a QTreeWidgetItem

[alteo_gange]

Le mardi 23 octobre 2007, Jim Bublitz a écrit :
> On Tuesday 23 October 2007 02:13, alteo_gange wrote:
> > Hi everybody!
> >
> > I have created several QTreeWidgetItem and connected a signal
> > "itemClicked(QTreeWidgetItem *,int)" on the QTreeWidget.
> >
> > > treeWidget=QtGui.QTreeWidget(widget)
> > > ...
> > > itemTree1=QtGui.QTreeWidgetItem(treeWidget)
> > > ...
> > > itemTree2=QtGui.QTreeWidgetItem(treeWidget)
> > > ...
> > > self.connect(treeWidget,QtCore.SIGNAL("itemClicked(QTreeWidgetItem
> > > *,int)"),self.function)
> > > ...
> > > def function(self, item):
> > >         print item
> >
> > 'print item' return:
> > <PyQt4.QtGui.QTreeWidgetItem object at 0x82cf62c>.
> >
> >
> > It's very abstract!
> >
> > I must identify QTreeWidgetItem in order to connect it an action (view a
> > widget on the right), but how? With a method of the item reference?
> > Which? I don't know.
>
> Store the items in a dict as you create them:
>
> self.itemDict = {}
> itemTree1=QtGui.QTreeWidgetItem(treeWidget)
> self.itemDict [itemTree1] = ??  # could be the associated widget that you
> want #  to connect to, or a # string identifier
> itemTree2=QtGui.QTreeWidgetItem(treeWidget)
> self.itemDict [itemTree2] = ??
>
> ...
>
> def function (self, item):
> 	widget = self.itemDict [item]
> 	...

Great! Now, my code is more secure. I can use several times the same text on 
several QTreeWidgetItem and i can rename QTreeWidgetItem text without 
problems (the function mustn't be change).

Thanks!

-- 
alteo_gange