how do you reload a listView? When I add a object to LIBARY I want to reload the list so all items is showed. how do I do that?


here is my code

Qt Code: 
  1. #------------------------------------------------------------
  2. #------------------------------------------------------------
  3.  
  4. # Hantera biblotek
  5. class manageLibary(QtGui.QDialog):
  6.     def __init__(self, parent):
  7.         QtGui.QDialog.__init__(self, parent)
  8.         self.ui = ManageLibary()
  9.         self.ui.setupUi(self)
  10.         self.model = manageLibaryModel(self)
  11.         self.ui.listView.setModel(self.model)
  12.         self.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), self.validateInput)
  13.  
  14.  
  15.     def validateInput(self):
  16.         if self.ui.lineEdit.text() != "":
  17.             # make validator later here for 
  18.             LIBARY.append(bibliotek(self.ui.lineEdit.text()))
  19.             print self.ui.lineEdit.text()
  20.             print len(LIBARY)
  21.             self.emit(QtCore.SIGNAL("dataChanged()"))
  22.  
  23.  
  24.  
  25. #------------------------------------------------------------
  26. #   Manage Libary Model
  27. #------------------------------------------------------------
  28. # 
  29. class manageLibaryModel(QtCore.QAbstractListModel):
  30.     def __init__(self, parent):
  31.         QtCore.QAbstractListModel.__init__(self, parent)
  32.  
  33.  
  34.     def data(self, index, role):
  35.         if role == QtCore.Qt.DisplayRole:
  36.             return LIBARY[index.row()].name
  37.  
  38.         elif role == QtCore.Qt.UserRole:
  39.             return LIBARY[index.row()]
  40.  
  41.     def rowCount(self, parent=QtCore.QModelIndex()):
  42.         return len(LIBARY)
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