public MainPageViewModel(INavigationService navigationService)
{
_navigationService = navigationService;
TapCommand = new DelegateCommand(() =>
{
NavigationParameters para = new NavigationParameters();
para.Add("current", MyTaskSelected);
EditMode = true;
para.Add("EditMode", EditMode);
_navigationService.NavigateAsync("DetailPage", para);
});
RefreshCommand = new DelegateCommand(() =>
{
Refresh();
IsRefreshing = false;
});
AddCommand = new DelegateCommand(() =>
{
var fooNewTask = new MyItem()
{
Date = DateTime.Now.AddDays(-3),
Status = "還沒有"
};
NavigationParameters para = new NavigationParameters();
para.Add("current", fooNewTask);
EditMode = false;
para.Add("EditMode", EditMode);
_navigationService.NavigateAsync("DetailPage", para);
});
DeleteCommand = new DelegateCommand <MyItem>((x) =>
{
MyTasks.Remove(x);
});
}
public void OnReceive(TaskStatusCompletedMessage message)
{
var task = MyTasks.FirstOrDefault(x => x.id == message.Id);
if (task != null)
{
MyTasks.Remove(task);
}
task = DueTodayTasks.FirstOrDefault(x => x.id == message.Id);
if (task != null)
{
DueTodayTasks.Remove(task);
}
task = DueTomorrowTasks.FirstOrDefault(x => x.id == message.Id);
if (task != null)
{
DueTomorrowTasks.Remove(task);
}
task = DueWeekendTasks.FirstOrDefault(x => x.id == message.Id);
if (task != null)
{
DueWeekendTasks.Remove(task);
}
}
public void OnNavigatedTo(NavigationParameters parameters)
{
//para.Add("current", MyItemSelected);
//para.Add("SaveData", SaveData);
//para.Add("EditMode", EditMode);
if (parameters.ContainsKey("EditMode"))
{
EditMode = (bool)parameters["EditMode"];
if (parameters.ContainsKey("current"))
{
var fooUpdateItem = parameters["current"] as MyItem;
if (parameters.ContainsKey("SaveData"))
{
var fooSaveData = (bool)parameters["SaveData"];
// 開始進行資料的 CRUD 處理
if (EditMode == true)
{
if (fooSaveData == true)
{
var fooItem = MyTasks.FirstOrDefault(x => x.Id == fooUpdateItem.Id);
if (fooItem != null)
{
fooItem.Name = fooUpdateItem.Name;
fooItem.Status = fooUpdateItem.Status;
fooItem.Date = fooUpdateItem.Date;
}
}
else
{
var fooItem = MyTasks.FirstOrDefault(x => x.Id == fooUpdateItem.Id);
if (fooItem != null)
{
MyTasks.Remove(fooItem);
}
}
}
else
{
// Add New Item
MyTasks.Insert(0, fooUpdateItem);
}
}
}
}
Refresh();
}