如何在 Flutter 对话框中更改 DataTable 小部件中的值

Question

请帮我解决问题。提前谢谢你。

当我试图编辑已经包含在 StatefulBuilder 中的对话框小部件内的内容并且在编辑完成时和调用另一个方法之前使用 setState 更改值但似乎值仍然与初始值相同时，就会出现问题。我该怎么办？

问题图片

对话框小部件

createDialogSpecialCase(
EditingDialogType enums, String masterKey, List<dynamic> data) {
String currentEditingDialog = '';
List listData = [];
ScrollController scrllController = ScrollController();
return showDialog(
context: context,
barrierDismissible: false,
builder: (context) {
return StatefulBuilder(builder: (context, setState) {
return LayoutBuilder(builder: (context, constraints) {
    return AlertDialog(
        titlePadding:
            const EdgeInsets.only(top: 5, right: 5, left: 5),
        title: SizedBox(
          height: 50,
          child: Stack(
            children: [
              Align(
                alignment: Alignment.bottomCenter,
                child: Text(
                  enums.name,
                  style: TextStyle(
                      color: Colors.blueAccent,
                      fontSize: ResponsiveStyle().bodyFontSize()),
                ),
              ),
              Align(
                alignment: Alignment.topRight,
                child: GestureDetector(
                  onTap: () => Navigator.pop(context),
                  child: const Icon(
                    Icons.close,
                    size: 45,
                  ),
                ),
              ),
            ],
          ),
        ),
        contentPadding: const EdgeInsets.all(30),
        content: SingleChildScrollView(
          child: Column(
            children: List.generate(listData.length, (index) {
              var objval = listData[index];
              Map objvalJson = {};
              objvalJson = objval.toJson();
              return Column(
                children: [
                  Align(
                    alignment: Alignment.centerLeft,
                    child: Text(
                      "Item: ${(index + 1)}",
                      style: TextStyle(
                          fontSize:
                              ResponsiveStyle().bodyFontSize()),
                    ),
                  ),
                  const SizedBox(
                    height: 15,
                  ),
                  Container(
                    height: constraints.maxHeight / 1.45,
                    width: constraints.minWidth / 1.25,
                    padding:
                        const EdgeInsets.symmetric(horizontal: 24),
                    child: Scrollbar(
                      controller: scrllController,
                      thumbVisibility: true,
                      thickness: 10,
                      radius: const Radius.circular(25),
                      interactive: true,
                      child: DataTable2(
                          scrollController: scrllController,
                          dataRowHeight: 100,
                          headingRowColor:
                              MaterialStateColor.resolveWith(
                                  (states) =>
                                      Utils.convertHexToColor(
                                          'cfd8dc')),
                          border:
                              TableBorder.all(color: Colors.black),
                          columns: createColumnTable,
                          rows: objvalJson.entries.map((data) {
                            String dataKey = data.key.toString();
                            var dataValue = data.value;
                            TextEditingController valueController =
                                TextEditingController();
                              valueController.text =
                                  dataValue.toString();
                            return DataRow(cells: [
                              DataCell(Align(
                                alignment: Alignment.center,
                                child: Text(data.key.toString(),
                                    style: TextStyle(
                                        fontSize: ResponsiveStyle()
                                            .bodyFontSize())),
                              )),
                              DataCell(Align(
                                alignment: Alignment.centerLeft,
                                child: Row(
                                  mainAxisAlignment:
                                      MainAxisAlignment
                                          .spaceBetween,
                                  children: [
                                    currentEditingDialog ==
                                            data.key.toString()
                                        ? data.value.runtimeType ==
                                                    String ||
                                                data.value
                                                        .runtimeType ==
                                                    double ||
                                                data.value
                                                        .runtimeType ==
                                                    int
                                            ? Expanded(
                                                child:
                                                    ConstrainedBox(
                                                  constraints:
                                                      const BoxConstraints(
                                                          maxWidth:
                                                              500),
                                                  child: TextField(
                                                    controller:
                                                        valueController,
                                                    style: TextStyle(
                                                        fontSize:
                                                            ResponsiveStyle()
                                                                .bodyFontSize()),
                                                    decoration:
                                                        const InputDecoration(
                                                      isDense: true,
                                                    ),
                                                    onEditingComplete:
                                                        () async {
                                                      setState(() {
                                                        dataValue =
                                                            valueController
                                                                .text;
                                                        objvalJson.update(
                                                            dataKey,
                                                            (value) =>
                                                                dataValue);
                                                      });
                                                      await updateValuelv2(
                                                          masterKey,
                                                          dataKey,
                                                          dataValue,
                                                          objvalJson,
                                                          enums);
                                                      FocusScope.of(
                                                              context)
                                                          .unfocus();
                                                    },
                                                  ),
                                                ),
                                              )
                                            : data.value.runtimeType ==
                                                    bool
                                                ? Row(
                                                    children: [
                                                      CupertinoSwitch(
                                                          value:
                                                              dataValue,
                                                          onChanged:
                                                              (bool
                                                                  flag) async {
                                                            setState(
                                                                () {
                                                              dataValue =
                                                                  flag;
                                                              objvalJson.update(
                                                                  dataKey,
                                                                  (value) => dataValue);
                                                            });
                                                            await updateValuelv2(
                                                                masterKey,
                                                                dataKey,
                                                                dataValue,
                                                                objvalJson,
                                                                enums);
                                                          }),
                                                      const SizedBox(
                                                        width: 7,
                                                      ),
                                                      Text(
                                                        dataValue
                                                            .toString(),
                                                        style: TextStyle(fontSize:ResponsiveStyle().bodyFontSize()),
                                                      )
                                                    ],
                                                  )
                                                : Expanded(
                                                    child:
                                                        ConstrainedBox(
                                                      constraints:
                                                          const BoxConstraints(
                                                              maxWidth:
                                                                  500),
                                                      child: Text(
                                                          dataValue
                                                              .toString(),
                                                          style: TextStyle(
                                                              fontSize:
                                                                  ResponsiveStyle().bodyFontSize())),
                                                    ),
                                                  )
                                        : data.value.runtimeType
                                                .toString()
                                                .contains("List")
                                            ? GestureDetector(
                                                onTap: () {
                                                  if (data.value
                                                      .runtimeType
                                                      .toString()
                                                      .contains(
                                                          "ApproverModel")) {
                                                    createDialogSpecialCase(
                                                        EditingDialogType
                                                            .ApproverModel,
                                                        data.key
                                                            .toString(),
                                                        data.value);
                                                  } else if (data
                                                      .value
                                                      .runtimeType
                                                      .toString()
                                                      .contains(
                                                          "CartItems")) {
                                                    createDialogSpecialCase(
                                                        EditingDialogType
                                                            .CartItems,
                                                        data.key
                                                            .toString(),
                                                        data.value);
                                                  } else if (data
                                                      .value
                                                      .runtimeType
                                                      .toString()
                                                      .contains(
                                                          "Payment")) {
                                                    createDialogSpecialCase(
                                                        EditingDialogType
                                                            .Payment,
                                                        data.key
                                                            .toString(),
                                                        data.value);
                                                  } else if (data
                                                      .value
                                                      .runtimeType
                                                      .toString()
                                                      .contains(
                                                        "WarningCheckCartPromotionModel")) {
                                                    createDialogSpecialCase(
                                                        EditingDialogType
                                                        .WarningCheckCartPromotionModel,
                                                        data.key
                                                            .toString(),
                                                        data.value);
                                                  } else if (data
                                                      .value
                                                      .runtimeType
                                                      .toString()
                                                      .contains(
                                                          "PromotionDetail")) {
                                                    createDialogSpecialCase(
                                                        EditingDialogType
                                                            .PromotionDetail,
                                                        data.key
                                                            .toString(),
                                                        data.value);
                                                  }
                                                },
                                                child: Container(
                                                  decoration:
                                                      BoxDecoration(
                                                    borderRadius:
                                                        BorderRadius
                                                            .circular(
                                                                40),
                                                    color: Colors
                                                        .white,
                                                    border:
                                                        Border.all(
                                                      color: Colors
                                                          .blueAccent,
                                                      width: 2,
                                                    ),
                                                  ),
                                                  padding: const EdgeInsets
                                                          .symmetric(
                                                      vertical: 7,
                                                      horizontal:
                                                          20),
                                                  child: Text(
                                                    "Click for more detail.",
                                                    style: TextStyle(
                                                        color: Colors
                                                            .blueAccent,
                                                        fontSize:
                                                            ResponsiveStyle()
                                                                .bodyFontSize()),
                                                  ),
                                                ),
                                              )
                                            : Expanded(
                                                child:
                                                    ConstrainedBox(
                                                  constraints:
                                                      const BoxConstraints(
                                                          maxWidth:
                                                              500),
                                                  child: Text(
                                                      data.value
                                                          .toString(),
                                                      style: TextStyle(
                                                          fontSize:
                                                              ResponsiveStyle()
                                                                  .bodyFontSize())),
                                                ),
                                              ),
                                    data.value.runtimeType ==
                                                String ||
                                            data.value
                                                    .runtimeType ==
                                                double ||
                                            data.value
                                                    .runtimeType ==
                                                int ||
                                            data.value
                                                    .runtimeType ==
                                                bool
                                        ? currentEditingDialog !=
                                                dataKey
                                            ? GestureDetector(
                                                onTap: () {
                                                  setState(() {
                                                    currentEditingDialog =
                                                        dataKey;
                                                  });
                                                },
                                                child: Icon(
                                                  Icons.edit,
                                                  size: ResponsiveStyle()
                                                      .bodyFontSize(),
                                                  color: Colors.blue
                                                      .shade700,
                                                ),
                                              )
                                            : Row(
                                                children: [
                                                  GestureDetector(
                                                    onTap: () {
                                                      FocusScope.of(
                                                              context)
                                                          .unfocus();
                                                      setState(() {
                                                        currentEditingDialog =
                                                            '';
                                                      });
                                                    },
                                                    child: Icon(
                                                      Icons.check,
                                                      size: ResponsiveStyle()
                                                          .headerFontSize(),
                                                      color: Colors
                                                          .green,
                                                    ),
                                                  ),
                                                  const SizedBox(
                                                    width: 10,
                                                  ),
                                                  GestureDetector(
                                                    onTap: () {
                                                      setState(() {
                                                        currentEditingDialog =
                                                            '';
                                                      });
                                                    },
                                                    child: Icon(
                                                      Icons.close,
                                                      size: ResponsiveStyle()
                                                          .headerFontSize(),
                                                      color: Colors
                                                          .red,
                                                    ),
                                                  )
                                                ],
                                              )
                                        : const SizedBox(),
                                  ],
                                ),
                              )),
                            ]);
                          }).toList()),
                    ),
                  ),
                ],
              );
            }),
          ),
        ));
});
});
});
}

请帮我解决这个问题。我已经尝试修复这 3 天了。