public SingleMonthViewModel(MainViewModel mainViewModel, IWebRequestObserver webRequestObserver, IWebDavConnection webDavConnection)
{
_mainViewModel = mainViewModel;
_webRequestObserver = webRequestObserver;
_webDavConnection = webDavConnection;
_days = new ObservableCollection <SingleDayViewModel>();
_days.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(_days_CollectionChanged);
this.CorrectionsRequestCommand = new RelayCommand((obj) => onCorrectionsRequest());
}
private void executeJumpToYearMonth(object param)
{
logger.Info("executeJumpToYearMonth()");
App nonDesignModeApp = System.Windows.Application.Current as App;
if (nonDesignModeApp != null)
{
nonDesignModeApp.EnterBusyState("Načítavanie údajov...", this.MessageBarVM);
}
int perfStart = System.Environment.TickCount;
var nowTime = TimeMerge.Utils.Calculations.NowTime;
bool needNewMonthViewModel = false;
if (this.MonthViewModel != null)
{
TimeSpan wholeMonthBalance = MonthViewModel.BalanceWholeMonth;
this.MonthViewModel.TurnOffNotifications();
this.MonthViewModel.SaveData(wholeMonthBalance);
if (nowTime.Month != _mostRecentJumpToYearMonthExecution.Month)
{
// automatic transition to a new month when running TimeMerge for several days in a row (e.g. date changes from "Jan" to "Feb" overnight)
this.Year = nowTime.Year;
this.Month = nowTime.Month;
}
if (this.Year != this.MonthViewModel.YearMonth.Year ||
this.Month != this.MonthViewModel.YearMonth.Month)
{
needNewMonthViewModel = true;
}
else
{
needNewMonthViewModel = false;
this.MonthViewModel.PopulateDataFromWebOnBackground();
}
}
else
{
needNewMonthViewModel = true;
}
if (needNewMonthViewModel)
{
var monthData = new TimeMerge.Model.SingleMonthData()
{
YearMonth = new DateTime(this.Year, this.Month, 1)
};
// Reuse existing Month VM if possible. When also reusing ViewModels of individual days inside the Month VM, it will improve performance
// since the DataGrid controls won't need to be recreated. They'll be just updated instead.
if (this.MonthViewModel == null)
{
IWebRequestObserver webRequestObserver = App.Current == null ? null : (App.Current as App).Context.WebRequestObserver;
this.MonthViewModel = new TimeMerge.ViewModel.SingleMonthViewModel(this, webRequestObserver, (App.Current as App)?.Context.WebDavConnection);
}
this.MonthViewModel.SetMonthData(monthData);
}
this.MonthViewModel.TurnOnNotifications();
m_HomeOfficeDetector?.DetectNow();
if (nonDesignModeApp != null)
{
nonDesignModeApp.ExitBusyState();
}
int perfStop = System.Environment.TickCount;
// System.Windows.MessageBox.Show(string.Format("Jump took {0} msecs", perfStop - perfStart), "TimeMerge", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Information);
_mostRecentJumpToYearMonthExecution = nowTime;
}