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flutter-todos/lib/logic/edit_page_task_logic.dart

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Dart

import 'package:flutter/material.dart';
import 'package:todo_list/config/api_service.dart';
import 'package:todo_list/database/database.dart';
import 'package:todo_list/i10n/localization_intl.dart';
import 'package:todo_list/json/task_bean.dart';
import 'package:todo_list/json/task_icon_bean.dart';
import 'package:todo_list/json/theme_bean.dart';
import 'package:todo_list/model/all_model.dart';
import 'package:todo_list/utils/shared_util.dart';
import 'package:todo_list/widgets/custom_icon_widget.dart';
import 'package:todo_list/widgets/net_loading_widget.dart';
class EditTaskPageLogic {
final EditTaskPageModel _model;
EditTaskPageLogic(this._model);
Widget getIconText({Icon icon, String text, VoidCallback onTap}) {
return InkWell(
onTap: onTap,
child: Container(
padding: EdgeInsets.fromLTRB(10, 4, 10, 4),
decoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(20)),
color: Colors.grey.withOpacity(0.2)),
child: Row(
children: <Widget>[
icon,
SizedBox(
width: 4,
),
Text(text),
],
),
),
);
}
//提交一项任务
void submitOneItem() {
final controller = _model.textEditingController;
String text = controller.text;
if (text.isEmpty) return;
_model.taskDetails.add(TaskDetailBean(taskDetailName: text));
// WidgetsBinding.instance.addPostFrameCallback( (_) => controller.clear());
_model.refresh();
final scroller = _model.scrollController;
scroller?.animateTo(scroller?.position?.maxScrollExtent,
duration: Duration(milliseconds: 200), curve: Curves.easeInOutSine)?.then((a){
controller.text = "";
});
}
//监测软键盘
void scrollToEndWhenEdit() {
//检测软键盘是否弹出
if (MediaQuery.of(_model.context).viewInsets.bottom > 100) {
debugPrint("软键盘弹出}");
final scroller = _model.scrollController;
debugPrint(
"当前:${scroller?.position?.pixels ?? 100} 全:${scroller?.position?.maxScrollExtent ?? 100}");
scroller?.animateTo(scroller?.position?.maxScrollExtent,
duration: Duration(milliseconds: 200), curve: Curves.easeInOutSine);
} else {
debugPrint("软键盘收起");
}
}
//监听文字,提交按钮是否可以点击
void editListener() {
final text = _model.textEditingController.text;
if (text.isEmpty && _model.canAddTaskDetail) {
_model.canAddTaskDetail = false;
_model.refresh();
} else if (text.isNotEmpty && !_model.canAddTaskDetail) {
_model.canAddTaskDetail = true;
_model.refresh();
}
}
//删除一项任务
void removeItem(int index) {
_model.taskDetails.removeAt(index);
_model.refresh();
}
//选择任务结束时间
void pickEndTime(GlobalModel globalModel) {
DateTime initialDate = _model.startDate ?? DateTime.now();
initialDate = initialDate.add(Duration(days: 1));
DateTime firstDate = initialDate;
DateTime lastDate = initialDate.add(Duration(days: 365));
showDP(firstDate, initialDate, lastDate, globalModel.logic.isDarkNow())
.then(
(day) {
if (day == null) return;
if (_model.startDate != null) {
if (day.isBefore(_model.startDate)) {
showDialog(
context: _model.context,
builder: (ctx) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(20.0))),
content: Text(
DemoLocalizations.of(_model.context).endBeforeStart),
);
});
return;
}
}
_model.deadLine = day;
_model.refresh();
},
);
}
void pickStartTime(GlobalModel globalModel) {
DateTime initialDate = DateTime.now();
DateTime firstDate = initialDate.add(Duration(days: 1));
DateTime lastDate = initialDate.add(Duration(days: 365));
showDP(firstDate, initialDate, lastDate, globalModel.logic.isDarkNow())
.then(
(day) {
if (day == null) return;
if (_model.deadLine != null) {
if (day.isAfter(_model.deadLine)) {
showDialog(
context: _model.context,
builder: (ctx) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(20.0))),
content: Text(
DemoLocalizations.of(_model.context).startAfterEnd),
);
});
return;
}
}
_model.startDate = day;
_model.refresh();
},
);
}
Future<DateTime> showDP(DateTime firstDate, DateTime initialDate,
DateTime lastDate, bool isDarkNow) {
return showDatePicker(
context: _model.context,
initialDate: firstDate,
firstDate: initialDate,
lastDate: lastDate,
builder: (BuildContext context, Widget child) {
final color = ColorBean.fromBean(_model.taskIcon.colorBean);
return Theme(
child: child,
data: isDarkNow
? ThemeData.dark()
: ThemeData(
primaryColor: color,
accentColor: color,
backgroundColor: Colors.white,
buttonTheme:
ButtonThemeData(textTheme: ButtonTextTheme.accent),
),
);
},
);
}
//将结束时间做个转换
String getEndTimeText() {
if (_model.deadLine != null) {
final time = _model.deadLine;
return "${time.year}-${time.month}-${time.day}";
}
return DemoLocalizations.of(_model.context).deadline;
}
//将开始时间做转换
String getStartTimeText() {
if (_model.startDate != null) {
final time = _model.startDate;
return "${time.year}-${time.month}-${time.day}";
}
return DemoLocalizations.of(_model.context).startDate;
}
//将DateTime转换为String
String transformDateToString(DateTime date) {
return date.toIso8601String();
}
//将String转换为DateTime
DateTime transformStringToDate(String date) {
return DateTime.parse(date);
}
//右上角的提交按钮
void onSubmitTap() {
bool isEdit = isEditOldTask();
isEdit ? submitOldTask() : submitNewTask();
}
//创建新的任务
void submitNewTask() async {
if (_model.taskDetails.length == 0) {
showDialog(
context: _model.context,
builder: (ctx) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(20.0))),
content: Text(
DemoLocalizations.of(_model.context).writeAtLeastOneTaskItem),
);
});
return;
}
TaskBean taskBean = await transformDataToBean();
if(taskBean.account == 'default'){
await exitWithSubmitNewTask(taskBean);
} else {
postCreateTask(taskBean);
}
}
Future exitWithSubmitNewTask(TaskBean taskBean,{bool needCancelDialog = false}) async {
await DBProvider.db.createTask(taskBean);
await _model.mainPageModel.logic.getTasks();
_model.mainPageModel.refresh();
Navigator.of(_model.context).pop();
if(needCancelDialog) Navigator.of(_model.context).pop();
}
Future exitWhenSubmitOldTask(TaskBean taskBean) async {
DBProvider.db.updateTask(taskBean);
await _model.mainPageModel.logic.getTasks();
_model.mainPageModel.refresh();
if (_model.taskDetailPageModel != null) {
_model.taskDetailPageModel.isExiting = true;
_model.taskDetailPageModel.refresh();
}
Navigator.of(_model.context).popUntil((route) => route.isFirst);
}
//修改旧的任务
void submitOldTask() async {
if (_model.taskDetails.length == 0) {
showDialog(
context: _model.context,
builder: (ctx) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(20.0))),
content: Text(
DemoLocalizations.of(_model.context).writeAtLeastOneTaskItem),
);
});
return;
}
TaskBean taskBean = await transformDataToBean(
id: _model.oldTaskBean.id, overallProgress: _getOverallProgress());
taskBean.changeTimes++;
if(taskBean.account == 'default'){
await exitWhenSubmitOldTask(taskBean);
} else {
taskBean.uniqueId == null ? postCreateTask(taskBean, isSubmitOldTask: true) : postUpdateTask(taskBean);
}
}
///在云端创建一个任务
void postCreateTask(TaskBean taskBean,{bool isSubmitOldTask = false}) async{
showDialog(context: _model.context, builder: (ctx){
return NetLoadingWidget();
});
final token = await SharedUtil.instance.getString(Keys.token);
ApiService.instance.postCreateTask(
success: (UploadTaskBean bean){
taskBean.uniqueId = bean.uniqueId;
taskBean.needUpdateToCloud = 'false';
isSubmitOldTask ? exitWhenSubmitOldTask(taskBean) : exitWithSubmitNewTask(taskBean, needCancelDialog: true);
},
failed: (UploadTaskBean bean){
taskBean.needUpdateToCloud = 'true';
_model.mainPageModel.needSyn = true;
isSubmitOldTask ? exitWhenSubmitOldTask(taskBean) : exitWithSubmitNewTask(taskBean, needCancelDialog: true);
},
error: (msg){
taskBean.needUpdateToCloud = 'true';
_model.mainPageModel.needSyn = true;
isSubmitOldTask ? exitWhenSubmitOldTask(taskBean) : exitWithSubmitNewTask(taskBean, needCancelDialog: true);
},
taskBean: taskBean,
token: token,
cancelToken: _model.cancelToken,
);
}
///在云端更新一个任务
void postUpdateTask(TaskBean taskBean, ) async{
showDialog(context: _model.context, builder: (ctx){
return NetLoadingWidget();
});
final token = await SharedUtil.instance.getString(Keys.token);
ApiService.instance.postUpdateTask(
success: (CommonBean bean){
taskBean.needUpdateToCloud = 'false';
exitWhenSubmitOldTask(taskBean);
},
failed: (CommonBean bean){
taskBean.needUpdateToCloud = 'true';
_model.mainPageModel.needSyn = true;
exitWhenSubmitOldTask(taskBean);
},
error: (msg){
taskBean.needUpdateToCloud = 'true';
_model.mainPageModel.needSyn = true;
exitWhenSubmitOldTask(taskBean);
},
taskBean: taskBean,
token: token,
cancelToken: _model.cancelToken,
);
}
//获取当前任务总进度
double _getOverallProgress() {
int length = _model.taskDetails.length;
double overallProgress = 0.0;
for (int i = 0; i < length; i++) {
overallProgress += _model.taskDetails[i].itemProgress / length;
}
return overallProgress;
}
Future<TaskBean> transformDataToBean(
{int id, double overallProgress = 0.0}) async {
final account =
await SharedUtil.instance.getString(Keys.account) ?? "default";
final taskName = _model.currentTaskName.isEmpty
? _model.taskIcon.taskName
: _model.currentTaskName;
final createDate = _model?.createDate?.toIso8601String() ??
DateTime.now().toIso8601String();
TaskBean taskBean = TaskBean(
taskName: taskName,
account: account,
taskStatus: _model.oldTaskBean?.taskStatus ?? TaskStatus.todo,
needUpdateToCloud: _model.oldTaskBean?.needUpdateToCloud ?? 'false',
uniqueId: _model.uniqueId ?? null,
taskType: _model.taskIcon.taskName,
taskDetailNum: _model.taskDetails.length,
createDate: createDate,
startDate: _model.startDate?.toIso8601String(),
deadLine: _model.deadLine?.toIso8601String(),
detailList: _model.taskDetails,
taskIconBean: _model.taskIcon,
changeTimes: _model.changeTimes,
overallProgress: overallProgress,
backgroundUrl: _model.backgroundUrl,
textColor: _model.textColorBean,
finishDate: _model?.finishDate?.toIso8601String() ?? "",
);
if (id != null) {
taskBean.id = id;
}
return taskBean;
}
//用旧任务数据初始化所有数据
void initialDataFromOld(TaskBean oldTaskBean) {
if (oldTaskBean != null) {
_model.taskDetails.clear();
_model.taskDetails.addAll(oldTaskBean.detailList);
if (oldTaskBean.deadLine != null)
_model.deadLine = DateTime.parse(oldTaskBean.deadLine);
if (oldTaskBean.startDate != null)
_model.startDate = DateTime.parse(oldTaskBean.startDate);
_model.createDate = DateTime.parse(oldTaskBean.createDate);
if(oldTaskBean.finishDate.isNotEmpty)
_model.finishDate = DateTime.parse(oldTaskBean.finishDate);
_model.changeTimes = oldTaskBean.changeTimes ?? 0;
_model.taskIcon = oldTaskBean.taskIconBean;
_model.currentTaskName = oldTaskBean.taskName;
_model.backgroundUrl = oldTaskBean.backgroundUrl;
_model.textColorBean = oldTaskBean.textColor;
}
}
///表示当前是属于创建新的任务还是修改旧的任务
bool isEditOldTask() {
return _model.oldTaskBean != null;
}
String getHintTitle() {
bool isEdit = isEditOldTask();
final context = _model.context;
String defaultTitle =
"${DemoLocalizations.of(context).defaultTitle}:${_model.taskIcon.taskName}";
String oldTaskTitle = "${_model?.oldTaskBean?.taskName}";
return isEdit ? oldTaskTitle : defaultTitle;
}
///将当前item置于顶层
void moveToTop(int index, List list) {
final item = list[index];
list.removeAt(index);
list.insert(0, item);
_model.refresh();
}
///编辑任务图标
void onIconPress(IconBean iconBean,
ColorBean colorBean) {
showDialog(
barrierDismissible: false,
context: _model.context,
builder: (ctx) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(20.0))),
elevation: 0.0,
contentPadding: EdgeInsets.fromLTRB(20, 0, 20, 0),
title: Text(DemoLocalizations.of(_model.context).customIcon),
content: CustomIconWidget(
iconData: IconBean.fromBean(iconBean),
onApplyTap: (Color color) async {
_model.taskIcon.colorBean = ColorBean.fromColor(color);
_model.refresh();
},
pickerColor: ColorBean.fromBean(colorBean),
onTextChange: (text) {
final name = text.isEmpty
? DemoLocalizations.of(_model.context).defaultIconName
: text;
_model.taskIcon.iconBean.iconName = name;
},
iconName: iconBean.iconName,
));
},);
}
}