+ def columnCount(self, parent):
+ if parent.isValid():
+ return parent.internalPointer().columnCount()
+ else:
+ return self.rootItem.columnCount()
+
+ def data(self, index, role):
+ if not index.isValid():
+ return QVariant()
+
+ if role != Qt.DisplayRole:
+ return QVariant()
+
+ item = index.internalPointer()
+ return item.data(index.column())
+
+ def headerData(self, section, orientation, role):
+ if orientation == Qt.Horizontal and role == Qt.DisplayRole:
+ return self.rootItem.data(section)
+ return QVariant()
+
+ def flags(self, index):
+ if not index.isValid():
+ return 0
+ return Qt.ItemIsEnabled | Qt.ItemIsSelectable # | Qt.ItemIsEditable
+
+ def index(self, row, column, parent):
+ if not self.hasIndex(row, column, parent):
+ return QModelIndex()
+
+ parentItem = None
+ if not parent.isValid():
+ parentItem = self.rootItem
+ else:
+ parentItem = parent.internalPointer()
+
+ childItem = parentItem.child(row)
+ if childItem:
+ return self.createIndex(row, column, childItem)
+ else:
+ return QModelIndex()
+
+ def parent(self, index):
+ if not index.isValid():
+ return QModelIndex()
+
+ childItem = index.internalPointer()
+ parentItem = childItem.parent()
+
+ if not parentItem:
+ return QModelIndex()
+
+ if parentItem is self.rootItem:
+ return QModelIndex()
+
+ return self.createIndex(parentItem.row(), 0, parentItem)
+
+ def rowCount(self, parent):
+ if parent.column() > 0:
+ return 0