Great, thanks Tibold!
On 10/10/13 11:44 PM, Tibold Kandrai wrote:
Hey,
I’m not sure I understand the problem correctly.
If you want to store data in a cell or a QStandardItem, then you need
to use setData() and data().
Generally you shouldn’t need to subclass QStandardItem or
QStandardItemModel.
Here is an example how:
# Define roles
FINISHED_ROLE = QtCore.Qt.UserRole + 1
PRIORITY_ROLE = QtCore.Qt.UserRole + 2
# Create model
model = QtGui.QStandardItemModel()
item = QtGui.QStandarItem()
model.appendRow(item)
item_index = item.index()
# Store data using the item
item.setData(finished, FINISHED_ROLE)
item.setData(priority, PRIORITY_ROLE)
# Store data using the model
model.setData(item_index, finished, FINISHED_ROLE)
model.setData(item_index, priority, PRIORITY_ROLE)
# Retrieve data using the item
finished = item.data(FINISHED_ROLE)
priority = item.data(PRIORITY_ROLE)
# Retrieve data using the model
finished = model.data(item_index, FINISHED_ROLE)
priority = model.data(item_index, PRIORITY_ROLE)
In some cases like click event handlers, you have the model and the
item index, there it’s easier to use the model methods instead of
finding the item and then getting the data. 😉
Hope it helps.
Cheers,
Tibold
*From:* Frank Rueter | OHUfx
*Sent:* 2013 October 10, Thursday 19:37
*To:* [email protected]
After looking at some more examples I think my approach of storing
multiple values in one item is fundamentally flawed.
Instead I should be using one item per cell and assign the respective
data, right?!
I shall re-write the example accordingly, sorry for the noise.
frank
On 10/10/13 6:34 PM, Frank Rueter | OHUfx wrote:
I meant QTableView not QStandardTableView :/
On 10/10/13 6:33 PM, Frank Rueter | OHUfx wrote:
Hi all,
after a bit of a break from PySide I am trying to wrap my head
around the model/view stuff again and am trying to understand
how a very simple example would work where a QStandarItem has
properties "title", "priority" and "finished" which are
displayed via a QStandardTableView.
I am struggling with understanding how to properly display the
above three properties in the table's columns. I tried setting
the data() method on the model like this:
/ def data(self, index, role=QtCore.Qt.DisplayRole)://
// '''Return data based on index and role'''//
// item = self.itemFromIndex(index)//
// if index.column() == 0://
// return item.title//
// elif index.column() == 1://
// return item.finished//
// elif index.column() == 2://
// return item.priority/
but for some reason it errors saying item does not have
attribute "finished" even though my item object s declared
like this:
/class TaskItem(QtGui.QStandardItem)://
// '''Item to hold a task for the todo list'''//
////
// def __init__(self, title, finished=False, priority=1)://
// super(TaskItem, self).__init__(title)//
// self.title = title//
// self.finished = finished//
// self.priority = priority/
When printing the item's attributes via dir() I see that, when
the model is populated, the last item it attempts to call is
not my custom item object, but something else with less
attributes and methods. Clearly there is something I haven't
quite understood about this process.
Also, if I use the models data() method as pointed out above,
I get checkboxes in the cells which I don't want at this stage.
Can somebody please help me understand where I go wrong?
Attached is the whole test code.
Cheers,
frank
P.S.: I am aware that the controller code shouldn't
necessarily live in the QWidget's methods, this is just for
testing which I will clean up once I get how it all connects again
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