下面是添加新文档的表单。我想重用并调用相同的表单进行编辑文档操作。对于这两个操作，一个或两个字段可以更改，但我想在“添加”和“编辑”按钮的onPressed（）事件上调用相同的表单。我如何实现它？我需要为它设置标志吗？它的场景是什么？
Form buildColumn() {
return Form(
key: formKey,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
SizedBox(
height: 5,
),
// SizedBox(
// height: MediaQuery.of(context).size.height * 0.06,
// width: MediaQuery.of(context).size.width * 8,
// child:
Align(
alignment: Alignment.topLeft,
child: SizedBox(
width: MediaQuery.of(context).size.width * 0.95,
height: MediaQuery.of(context).size.height * 0.06,
// height: MediaQuery.of(context).size.height * 0.5,
child: TextFormField(
// minLines: 1,
// maxLines: 5,
// textCapitalization: TextCapitalization.words,
// //autovalidateMode: AutovalidateMode.onUserInteraction,
inputFormatters: [
// LengthLimitingTextInputFormatter(100),
FilteringTextInputFormatter.allow(
RegExp("[ ',-/ a-z A-Z á-ú Á-Ú 0-9]")),
],
controller: docTitleController,
style: TextStyle(fontSize: 12),
// keyboardType: TextInputType.multiline,
decoration: const InputDecoration(
errorStyle: const TextStyle(fontSize: 0.05),
border: OutlineInputBorder(
borderRadius: BorderRadius.all(
Radius.circular(30),
)),
hintStyle: TextStyle(fontSize: 12),
labelStyle: TextStyle(
fontSize: 12,
),
labelText: 'Document Title',
hintText: 'Document title required'),
// validator: ,
validator:
MultiValidator([RequiredValidator(errorText: 'Required*')]),
),
),
),
SizedBox(
height: 20,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Align(
alignment: Alignment.topLeft,
child: SizedBox(
height: MediaQuery.of(context).size.height * 0.06,
width: MediaQuery.of(context).size.width * 0.4,
child: TextFormField(
style: TextStyle(
fontSize: 12,
),
// minLines: 1,
// maxLines: 2,
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(14)
],
// //autovalidateMode: AutovalidateMode.onUserInteraction,
controller: tokenNoController,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
errorStyle: const TextStyle(fontSize: 0.05),
counterText: "",
border: OutlineInputBorder(
borderRadius: BorderRadius.all(Radius.circular(30)),
),
focusColor: Color.fromARGB(255, 3, 87,
156), //Color.fromARGB(255, 253, 153, 33),
hintStyle: TextStyle(fontSize: 12),
labelStyle: TextStyle(
fontSize: 12,
),
labelText: 'Token No',
hintText: 'Token no required'),
validator: (value) {
if (value == null || value.isEmpty) {
return 'Please enter token No';
} else if (value.length < 14) {
return 'Please enter 14 digits number';
}
return null;
},
),
),
),
SizedBox(
width: MediaQuery.of(context).size.width * 0.01,
),
Align(
alignment: Alignment.topLeft,
child: SizedBox(
height: MediaQuery.of(context).size.height * 0.06,
width: MediaQuery.of(context).size.width * 0.4,
child: TextFormField(
style: TextStyle(fontSize: 12),
// minLines: 1,
// maxLines: 2,
//autovalidateMode: AutovalidateMode.onUserInteraction,
inputFormatters: [
FilteringTextInputFormatter.digitsOnly,
LengthLimitingTextInputFormatter(2)
],
controller: durationController,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
errorStyle: const TextStyle(fontSize: 0.05),
border: OutlineInputBorder(
borderRadius:
BorderRadius.all(Radius.circular(30))),
hintStyle: TextStyle(fontSize: 12),
labelStyle: TextStyle(
fontSize: 12,
),
labelText: 'Duration(M)',
hintText: 'Duration required'),
validator: MultiValidator(
[RequiredValidator(errorText: 'Required*')],
),
),
),
),
],
),
SizedBox(
height: 20,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Align(
alignment: Alignment.topLeft,
child: SizedBox(
height: MediaQuery.of(context).size.height * 0.06,
width: MediaQuery.of(context).size.width * 0.4,
child: TextFormField(
style: TextStyle(fontSize: 12),
// //autovalidateMode: AutovalidateMode.onUserInteraction,
//FilteringTextInputFormatter.allow(RegExp("[- 0-9]")),
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp("[- 0-9]")),
LengthLimitingTextInputFormatter(10)
],
controller: startDateController,
keyboardType: TextInputType.datetime,
decoration: const InputDecoration(
errorStyle: const TextStyle(fontSize: 0.05),
prefixIcon: Icon(Icons.calendar_month),
border: OutlineInputBorder(
borderRadius: BorderRadius.all(Radius.circular(30))),
hintStyle: TextStyle(fontSize: 12),
labelStyle: TextStyle(
fontSize: 12,
),
labelText: 'Start Date',
hintText: 'yyyy-MM-dd',
),
onTap: () async {
DateTime? pickedDate = await showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime(
1991), //DateTime.now() - not to allow to choose before today.
lastDate: DateTime(2101),
// onConfirm:widget.onChanged,
).then((pickedDate) {
if (pickedDate != null) {
// print(
// pickedDate); //pickedDate output format => 2021-03-10 00:00:00.000
String formattedDate =
DateFormat('yyyy-MM-dd').format(pickedDate);
print(formattedDate);
setState(() {
startDateController.text = formattedDate;
//set output date to TextField value.
});
print(startDateController.text);
} else {
print("Date is not selected");
}
});
final int dur = int.parse(durationController.text);
var stDate = DateTime.parse(startDateController.text);
var jiffy = Jiffy(stDate).add(
months: dur,
days: -1,
// days: 1095,
);
DateTime d = jiffy.dateTime;
String s = jiffy.format('yyyy-MM-dd');
setState(() {
endDateController.text = s.toString();
});
},
validator: MultiValidator(
[RequiredValidator(errorText: 'Required*')]),
),
),
),
SizedBox(
width: MediaQuery.of(context).size.width * 0.02,
),
Align(
alignment: Alignment.topLeft,
child: SizedBox(
height: MediaQuery.of(context).size.height * 0.06,
width: MediaQuery.of(context).size.width * 0.4,
child: TextFormField(
style: TextStyle(fontSize: 12),
// maxLength: 8,
// //autovalidateMode: AutovalidateMode.onUserInteraction,
autofocus: false,
controller: endDateController,
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp("[- 0-9]")),
LengthLimitingTextInputFormatter(10)
],
keyboardType: TextInputType.datetime,
decoration: const InputDecoration(
errorStyle: const TextStyle(fontSize: 0.05),
// prefixIcon: Icon(Icons.calendar_month),
counterText: "",
hoverColor: Color.fromARGB(255, 3, 87,
156), //Color.fromARGB(255, 253, 153, 33),
border: OutlineInputBorder(
borderRadius: BorderRadius.all(Radius.circular(30)),
borderSide: BorderSide(
color: Color.fromARGB(255, 3, 87,
156) //Color.fromARGB(255, 253, 153, 33)
)),
hintStyle: TextStyle(fontSize: 12),
labelStyle: TextStyle(
fontSize: 12,
),
labelText: 'End Date',
hintText: ' yyyy-MM-dd'),
onTap: () async {},
// validator: MultiValidator(
// [RequiredValidator(errorText: 'Required*')]),
),
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Container(
height: 30,
width: 150,
child: ElevatedButton(
onPressed: () {
formKey.currentState!.validate();
int.parse(docIdController.text).toInt();
final String docTitle = docTitleController.text;
final int tokenNo =
int.parse(tokenNoController.text).toInt();
final String duration = durationController.text;
final String startDate = startDateController.text;
final String endDate = endDateController.text;
Navigator.of(context).push(MaterialPageRoute(
builder: (BuildContext context) => DocumentPage(
this.userName,
)));
setState(() {
_futureDocument = createDocument(
docTitle,
tokenNo,
duration,
startDate,
endDate,
);
});
// }
//}
},
child: const Text("Save"),
style: ButtonStyle(
backgroundColor: MaterialStateProperty.all(
Color.fromARGB(255, 253, 153, 33),
//Color.fromARGB(255, 253, 153, 33)
),
shape:
MaterialStateProperty.all<RoundedRectangleBorder>(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
//side: BorderSide(color: Colors.red)
),
)),
)),
// SizedBox(
// height: 20,
// ),
Container(
height: 30,
width: 150,
child: ElevatedButton(
onPressed: () {
formKey.currentState!.validate();
docTitleController.clear();
tokenNoController.clear();
durationController.clear();
startDateController.clear();
endDateController.clear();
},
child: const Text("Clear"),
style: ButtonStyle(
backgroundColor: MaterialStateProperty.all(
Color.fromARGB(255, 253, 153, 33),
),
shape:
MaterialStateProperty.all<RoundedRectangleBorder>(
RoundedRectangleBorder(
borderRadius: BorderRadius.circular(18.0),
//side: BorderSide(color: Colors.red)
),
)),
))
],
),
],
),
);
//])
//);
}
FutureBuilder<Document> buildFutureBuilder() {
return FutureBuilder<Document>(
future: _futureDocument,
builder: (context, snapshot) {
if (snapshot.hasData) {
return Text(snapshot.data!.docTitle);
} else if (snapshot.hasError) {
return Text('${snapshot.error}');
}
return const CircularProgressIndicator();
},
);
}
}
1条答案
按热度按时间yfwxisqw1#
使用条件更改按钮文本
按钮点击时