[PyQt] one column not wrapping in QTableView

[Kerri Reno]

Yay!  Thanks, Mark, that did it!  Having read your (most of) book, I
should've thought of that, but it hasn't all sunk in yet.

Kerri

On 1/14/08, Mark Summerfield <mark at qtrac.eu> wrote:
>
> On 2008-01-14, Kerri Reno wrote:
> > Thanks, Mark, that's closer.  But it still only shows part of the note,
> > 'emergency broadcast system'.
>
> Ah, what you need is the single shot timer trick. Add this line at the
> end of the notesView initializer:
>
>         QTimer.singleShot(0, self.resizeRowsToContents)
>
> After the initializer has finished (and the form has therefore been
> created and shown) this timer will time out and _then_
> resizeRowsToContents will be called at which point it will show all the
> text.
>
> > On 1/12/08, Mark Summerfield <mark at qtrac.eu> wrote:
> > > On 2008-01-11, Kerri Reno wrote:
> > > > Below is my code.  The first column wraps, but the third column
> > > > doesn't, and shows ....
> > > >
> > > > What am I doing wrong?  I would like both columns to wrap.
> > >
> > > (1) After you've set word wrap you need to call:
> > >
> > >    self.setTextElideMode(Qt.ElideNone)
> > >
> > >    This stops PyQt making long texts short by inserting an ellipsis
> > >
> > > (2) Do not call resizeColumnsToContents()
> > >
> > >     The call you have is pointless anyway because you resize before
> > >     you've got any data, but if you call this after you have data the
> > >     columns will simply grow as wide as needed and you'll get a
> > >     horizontal scrollbar
> > >
> > > (3) Call resizeRowsToContents() whenever the model's data changes (or
> at
> > >     least after the initial data is loaded)
> > >
> > >     This is to ensure that each row is tall enough to show the wrapped
> > >     text.
> > >
> > > from PyQt4.QtGui import *
> > > from PyQt4.QtCore import *
> > > import sys
> > >
> > > class notesView(QTableView):
> > >
> > >     def __init__(self,parent, notes):
> > >         QTableView.__init__(self,parent)
> > >         self.setSizePolicy(QSizePolicy.Preferred,
> > >             QSizePolicy.Fixed)
> > >
> > >         v = self.verticalHeader()
> > >         v.hide()
> > >
> > >         self.model = notesModel(notes)
> > >         self.setWordWrap(True)
> > >         self.setTextElideMode(Qt.ElideNone) # ADD
> > > #        self.resizeRowsToContents()
> > > #        self.resizeColumnsToContents()
> > >         self.setModel(self.model)
> > >
> > > class notesModel(QAbstractTableModel):
> > >
> > >     def __init__(self, notes):
> > >         QAbstractTableModel.__init__(self)
> > >         self.notes = notes
> > >
> > >     def flags(self,index):
> > >         if not index.isValid():
> > >             return Qt.ItemIsEnabled
> > >         return Qt.ItemFlags(QAbstractTableModel.flags(self,index))
> > >
> > >     def rowCount(self, index=QModelIndex()):
> > >         return len(self.notes)
> > >
> > >     def columnCount(self,index=QModelIndex()):
> > >         return 3
> > >
> > >     def headerData(self,section,orientation,role=Qt.DisplayRole):
> > >         if role == Qt.TextAlignmentRole:
> > >             if orientation == Qt.Horizontal:
> > >                 return QVariant(int(Qt.AlignHCenter|Qt.AlignVCenter))
> > >             return QVariant(int(Qt.AlignRight|Qt.AlignVCenter))
> > >         if role != Qt.DisplayRole:
> > >             return QVariant()
> > >         if orientation == Qt.Horizontal:
> > >             if section == 0:
> > >                 return QVariant('Date')
> > >             elif section == 1:
> > >                 return QVariant('Author')
> > >             elif section == 2:
> > >                 return QVariant('Note')
> > >         return QVariant(int(section+1))
> > >
> > >     def data(self,index,role=Qt.DisplayRole):
> > >         if not index.isValid() or not (0 <= index.row() < len(
> self.notes
> > > )):
> > >             return QVariant()
> > >
> > >         note = self.notes[index.row()]
> > >         column = index.column()
> > >
> > >         if role == Qt.DisplayRole:
> > >             if column ==  0:
> > >                 return QVariant(QString(note['stamp']))
> > >             elif column == 1:
> > >                 return QVariant(QString("%1,
> > > %2").arg(note['last_name'],note['first_name']))
> > >             elif column == 2:
> > >                 return QVariant(QString(note['note']))
> > >         elif role == Qt.TextAlignmentRole:
> > >             return QVariant(int(Qt.AlignLeft|Qt.AlignVCenter))
> > >
> > >         return QVariant()
> > >
> > > if __name__ == '__main__':
> > >
> > >     app = QApplication(sys.argv)
> > >     form = QDialog()
> > >     notes_list = [{'id':1,
> > >             'stamp': '1/3/2008 4:31:04 PM',
> > >             'last_name':'Blow',
> > >             'first_name':'Joe',
> > >             'note':'This is a test of the emergency broadcast
> > > system.  This
> > > is only a test.'}]
> > >     notes = notesView(form, notes_list)
> > >     notes.resizeRowsToContents() # ADD
> > >     notes.setMinimumWidth(400)
> > >     notes.setMinimumHeight(200)
> > >     form.show()
> > >     app.exec_()
> > >
> > >
> > >
> > > --
> > > Mark Summerfield, Qtrac Ltd., www.qtrac.eu
>
>
>
> --
> Mark Summerfield, Qtrac Ltd., www.qtrac.eu
>
>


-- 
Yuma Educational Computer Consortium
Compass Development Team
Kerri Reno
kreno at yumaed.org      (928) 502-4240
.·:*¨¨*:·.   .·:*¨¨*:·.   .·:*¨¨*:·.
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