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我需要一些樹視圖的幫助。當我指定的模型pyqt treeview不顯示超載模型
class TreeModel(QtGui.QStandardItemModel):
def __init__(self,parent=None):
QtGui.QStandardItemModel.__init__(self,parent)
self.rootItem = QtGui.QStandardItem('root')
我能項目從窗口
def on_actionAddItem_triggered(self,checked=None):
if checked is None:
return
parent = self.model.invisibleRootItem()
parent.appendRow(QtGui.QStandardItem("test"))
添加到樹但是當我嘗試過載模型,樹視圖不更新。代碼無法更新樹視圖。有人可以解釋嗎?
class TreeModel(QtGui.QStandardItemModel):
def __init__(self,parent=None):
QtGui.QStandardItemModel.__init__(self,parent)
self.rootItem = QtGui.QStandardItem('root')
def data(self,index,role):
if role == QtCore.Qt.DisplayRole:
row = index.row()
text = self.rootItem.child(row)
return text.text()
def columnCount(self,parent=None):
return 1
def rowCount(self,parent=QtCore.QModelIndex()):
return self.rootItem.rowCount()
def headerData(self, column, orientation, role):
if role == QtCore.Qt.DisplayRole:
if orientation == QtCore.Qt.Horizontal:
if column == 0:
return 'zero'