private void InitializeItems()
{
this.todos_Today = (App.Current as App).todos_Today;
Todo todo = new Todo();
todo.Name = "Good";
todo.Options = new List<Thing>()
{
new Thing()
};
this.todos_Today.Add(todo);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// 居然还要判断是不是从当前页面的子页面导航回来的
// 因为在选择日期时，确定后会再次触发OnNavigatedTo事件，会再进行一次赋值
// 为了避免这种情况发生，要设一个标志位。。。
if (inPage)
{
base.OnNavigatedTo(e);
return;
}
NavigationContext.QueryString.TryGetValue("action", out msg);
// 如果导航来时有edit参数，则代表要修改一个项目
if (msg == "edit")
{
// 获取要修改的todo
todo_edit = (App.Current as App).todo_edit;
contentBox.Text = todo_edit.Name;
AlarmToggle.IsChecked = todo_edit.HasAlarm;
DatePicker.Value = todo_edit.AlarmTime;
TimePicker.Value = todo_edit.AlarmTime;
ImportanceToggle.IsChecked = todo_edit.Importance;
ForwardListPicker.SelectedIndex = 1;
string page = null;
if(NavigationContext.QueryString.TryGetValue("page", out page))
{
if (page == "1")
{
AlarmToggle.IsChecked = true;
editPivot.SelectedIndex = 1;
}
}
}
// 如果导航来时有addnew参数，则代表要添加一个新的项目
else if (msg == "addnew")
{
ImportanceToggle.IsChecked = false;
AlarmToggle.IsChecked = false;
DatePicker.Value = DateTime.Now;
TimePicker.Value = DateTime.Now;
ForwardListPicker.SelectedIndex = 1;
}
inPage = true;
base.OnNavigatedTo(e);
}
/// <summary>
/// 将从XML文件获取的列表读取到内存中
/// </summary>
/// <param name="collect"></param>
/// <param name="todos"></param>
private void GetItemsFromXml(IEnumerable<XElement> collect,
ObservableCollection<Todo> todos)
{
foreach (var item in collect)
{
Todo todo = new Todo();
todo.Options = new List<Thing>
{
new Thing()
};
// 根据文件内容进行变动
todo.Name = item.Element("Name").Value;
todo.HasAlarm = todo.Options.First().HasAlarm = to_bool(item.Element("HasAlarm").Value);
todo.IsCompleted = todo.Options.First().IsCompleted = to_bool(item.Element("Completed").Value);
todo.AlarmTime = DateTime.Parse(item.Element("AlarmTime").Value);
// 闹钟时间早于当前时间了，就意味着这个闹钟已经被消除了
if (todo.HasAlarm && todo.AlarmTime < DateTime.Now)
{
todo.HasAlarm = todo.Options.First().HasAlarm = false;
todo.IsCompleted = true;
todo.Options.First().IsCompleted = true;
}
todo.Importance = to_bool(item.Element("Importance").Value);
todo.IsExpanded = false;
todo.ReminderName = item.Element("ReminderName").Value;
todos.Add(todo);
}
}
/// <summary>
/// 构建初次运行的数据
/// </summary>
/// <returns>ObservableCollection<Todo></returns>
private ObservableCollection<Todo> BuildFirstRunData()
{
ObservableCollection<Todo> firstRunTodos = new ObservableCollection<Todo>();
for (int i = 0; i < 5; i++)
{
Todo todo = new Todo();
todo.Options = new List<Thing>()
{
new Thing()
};
todo.IsCompleted = false;
todo.Options.First().IsCompleted = false;
todo.Importance = false;
todo.HasAlarm = false;
todo.Options.First().HasAlarm = false;
todo.ReminderName = System.Guid.NewGuid().ToString();
firstRunTodos.Add(todo);
}
firstRunTodos.ElementAt(0).Name = "向右滑以标记为完成";
firstRunTodos.ElementAt(1).Name = "向左滑以标记为未完成";
firstRunTodos.ElementAt(1).IsCompleted = true;
firstRunTodos.ElementAt(1).Options.First().IsCompleted = true;
firstRunTodos.ElementAt(2).Name = "长按以删除";
firstRunTodos.ElementAt(3).Name = "点击条目并添加闹钟";
firstRunTodos.ElementAt(4).Name = "点击条目并进行编辑";
return firstRunTodos;
}
private void expandes_click(object sender, RoutedEventArgs e)
{
// 因为点击子项也属于点击该Item，所以要判断上次的点击
// 是否来自子项，如果是，则不进行Expand的处理
if (isFromExpandedItem)
{
isFromExpandedItem = false;
return;
}
// 获取被点击的todo
todo = ListBox_Today.SelectedItem as Todo;
if ((lastTodo != null) & (lastTodo != todo))
{
lastTodo.IsExpanded = false;
}
isFromExpandedItem = false;
lastTodo = todo;
}
private void save(object sender, EventArgs e)
{
if (contentBox.Text == "")
{
MessageBox.Show("您还没有填写内容哦~", "友情提示", MessageBoxButton.OK);
editPivot.SelectedIndex = 0;
return;
}
if (msg == "edit")
{
// 存储修改项的内容
todo_edit.Name = contentBox.Text;
// 时间设置有误
if ((todo_edit.AlarmTime = GetMeAlarmTime()) == DateTime.MinValue)
{
MessageBox.Show("您设置的闹钟时间比当前时间早哟~", "友情提示", MessageBoxButton.OK);
return;
}
// 既然进行了编辑，就意味着任务未完成
todo_edit.IsCompleted = todo_edit.Options.First().IsCompleted = false;
todo_edit.HasAlarm = todo_edit.Options.First().HasAlarm = (bool)AlarmToggle.IsChecked;
todo_edit.Importance = (bool)ImportanceToggle.IsChecked;
if (todo_edit.HasAlarm)
{
Reminder reminder = new Reminder(todo_edit.ReminderName);
reminder.Title = "提醒";
reminder.Content = todo_edit.Name;
reminder.BeginTime = todo_edit.AlarmTime;
if (ScheduledActionService.Find(reminder.Name) != null)
{
ScheduledActionService.Remove(reminder.Name);
ScheduledActionService.Add(reminder);
}
else
{
ScheduledActionService.Add(reminder);
}
}
}
else if (msg == "addnew")
{
string date = DatePicker.Value.Value.ToShortDateString();
string time = TimePicker.Value.Value.ToShortTimeString();
Todo todo = new Todo();
Thing thing = new Thing();
todo.Name = contentBox.Text;
// 时间设置有误
if ((todo.AlarmTime = GetMeAlarmTime()) == DateTime.MinValue)
{
MessageBox.Show("您设置的闹钟时间比当前时间早哟~", "友情提示", MessageBoxButton.OK);
return;
}
todo.IsCompleted = thing.IsCompleted = false;
todo.HasAlarm = thing.HasAlarm = (bool)AlarmToggle.IsChecked;
todo.Importance = (bool)ImportanceToggle.IsChecked;
// 使用GUID作为每一个todo的ReminderName
todo.ReminderName = System.Guid.NewGuid().ToString();
todo.IsExpanded = false;
todo.Options = new List<Thing>();
todo.Options.Add(thing);
(App.Current as App).todos_Today.Add(todo);
if (todo.HasAlarm)
{
Reminder reminder = new Reminder(todo.ReminderName);
reminder.Title = "提醒";
reminder.Content = todo.Name;
reminder.BeginTime = todo.AlarmTime;
ScheduledActionService.Add(reminder);
}
}
inPage = false;
NavigationService.GoBack();
}