def show_table_context_menu(self, position):
col = self.dataWidget.columnAt(position.x())
dialog = QDialog(self, Qt.Popup)
schema_view = QTreeWidget(dialog)
schema_view.headerItem().setText(0, "Field")
schema_view.headerItem().setText(1, "Type")
root = type_parser.parse(self.data_schema[col])
schema_tree = self.type_tree(
self.dataWidget.horizontalHeaderItem(col).text(), root)
schema_view.addTopLevelItem(schema_tree)
schema_view.expandToDepth(2)
schema_view.header().setStretchLastSection(False)
schema_view.setSizeAdjustPolicy(
QAbstractScrollArea.AdjustToContentsOnFirstShow)
schema_view.header().setSectionResizeMode(QHeaderView.ResizeToContents)
schema_view.setMinimumHeight(30)
schema_view.setMaximumHeight(400)
schema_view.adjustSize()
schema_view.setHeaderHidden(True)
dialog.move(
self.dataWidget.mapToGlobal(position) +
QPoint(dialog.width() / 5 * 2,
dialog.height() + 5))
dialog.adjustSize()
dialog.show()
