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如何以编程方式更改表格单元格中单选按钮组的单选按钮?

如何解决如何以编程方式更改表格单元格中单选按钮组的单选按钮?

我想以编程方式更改单元格表中单选按钮组中选定的单选按钮。 我尝试在更改片对象中的状态后重新创建表,但如果我有很多记录,它会变慢。

我有一个代码

import sys

from PyQt5.QtWidgets import QTableWidget,QTableWidgetItem,QHBoxLayout,QWidget,QButtonGroup,\
    qradiobutton,QVBoxLayout,QPushButton,QApplication


class Piece:
    def __init__(self,init,name,status):
        self.init = init
        self.name = name
        self.status = status

class Table(QWidget):

    def __init__(self,parent=None):
        super(Table,self).__init__(parent)
        self.debug_data()
        self.fila = 0
        self.init_ui()

    def debug_data(self):
        print("okay")
        self.pieces: [Piece] = []
        self.pieces.append(Piece('2021-01-11 13:52:00','Router 234',1))
        self.pieces.append(Piece('2021-01-11 13:55:00','Router AB',0))
        self.pieces.append(Piece('2021-01-11 14:00:00','Router A234E',1))
        self.pieces.append(Piece('2021-01-11 14:01:00','Router Sufle',))

    def _create_buttons(self):
        self.buttons_layout = QHBoxLayout()
        self.btn_ok_all = QPushButton("All Manual")
        self.btn_no_ok_all = QPushButton("All Automatic")
        self.btn_no_validate_all = QPushButton("All Hybrid")
        self.buttons_layout.addWidget(self.btn_ok_all)
        self.buttons_layout.addWidget(self.btn_no_ok_all)
        self.buttons_layout.addWidget(self.btn_no_validate_all)
        self.layout.addLayout(self.buttons_layout)

    def init_ui(self):
        self.createTable()

        self.layout = QVBoxLayout()
        self._create_buttons()
        self.layout.addWidget(self.tableWidget)
        self.setLayout(self.layout)

        self.show()

    def createTable(self):
        self.tableWidget = QTableWidget()
        self.tableWidget.setColumnCount(3)
        self.tableWidget.setHorizontalHeaderLabels(
            ["Init Time","Name","Type"])
        self.process_rows()

    def process_rows(self):
        for piece in self.pieces:
            self.add_row(piece)

    def add_row(self,piece):
        self.tableWidget.insertRow(self.fila)
        self.tableWidget.setItem(self.fila,QTableWidgetItem(piece.init))
        self.tableWidget.setItem(self.fila,1,QTableWidgetItem(piece.name))
        self.tableWidget.setCellWidget(self.fila,2,self.create_group_radio_button(piece))
        self.fila = self.fila + 1

    def create_group_radio_button(self,piece):
        layout = QHBoxLayout()
        widget = QWidget(self)
        widget.setLayout(layout)

        number_group = QButtonGroup(widget)
        manual = qradiobutton("Manual")
        number_group.addButton(manual)
        automatic = qradiobutton("Automatic")
        number_group.addButton(automatic)
        hybrid = qradiobutton("Hybrid")
        number_group.addButton(hybrid)
        layout.addWidget(manual)
        layout.addWidget(automatic)
        layout.addWidget(hybrid)
        if piece.status == 0:
            hybrid.setChecked(True)
        elif piece.status == 1:
            manual.setChecked(True)
        else:
            automatic.setChecked(True)
        return widget


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = Table()
    sys.exit(app.exec_())

以编程方式更改其中之一的方法是什么? 如何访问单元格小部件并选择按钮进行更改?

解决方法

在这种情况下,创建类可能是最好的方法:它改进了对象结构并允许创建更容易访问它的函数。

class PieceSelector(QWidget):
    def __init__(self,piece):
        super().__init__()
        self.piece = piece

        layout = QHBoxLayout(self)

        self.number_group = QButtonGroup(self)
        manual = QRadioButton("Manual",1)
        self.number_group.addButton(manual)
        automatic = QRadioButton("Automatic",2)
        self.number_group.addButton(automatic)
        hybrid = QRadioButton("Hybrid",0)
        self.number_group.addButton(hybrid)
        layout.addWidget(manual)
        layout.addWidget(automatic)
        layout.addWidget(hybrid)
        self.number_group.button(piece.status).setChecked(True)

    def get_status(self):
        return self.number_group.checkedId()

    def set_status(self,status):
        self.number_group.button(status).setChecked(True)

然后您只需通过创建实例来添加小部件并使用 cellWidget() 取回它:

    def add_row(self,piece):
        row = self.tableWidget.rowCount()
        self.tableWidget.insertRow(row)
        self.tableWidget.setItem(row,QTableWidgetItem(piece.init))
        self.tableWidget.setItem(row,1,QTableWidgetItem(piece.name))
        self.tableWidget.setCellWidget(row,2,PieceSelector(piece))

    def set_status_for_row(self,row,status):
        self.tableWidget.cellWidget(row,2).set_status(status)

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