private void SetDeleteDialogAreaInformation(SettingsDeleteDisplayItem displayItem)
{
var areaFromUI = Window.Settings_AreaControl.GetCurrentObject() as Area;
if (PersistenceManager.ReadAreaById(areaFromUI.Id, out Area areaFromDB, out string errorMessage) == PersistenceManager.E_DBReturnCode.error)
{
ShowMessage("Error reading area information." + errorMessage, E_MessageType.error);
}
// additional information (countries assigned to areas) need to be read from database
var areaSubAreaCount = areaFromDB.SubAreas.Count;
foreach (var sa in areaFromDB.SubAreas)
{
if (PersistenceManager.ReadSubAreaById(sa.Id, out SubArea subAreaFromDB, out errorMessage) == PersistenceManager.E_DBReturnCode.error)
{
ShowMessage("Error reading subarea information." + errorMessage, E_MessageType.error);
}
// onll delete subareas that have no further countries
if (subAreaFromDB.Countries.Count > 1)
{
areaSubAreaCount--;
}
}
// subject location has only one country
var countrySubjectLocationCount = areaFromDB.SubjectLocations.Count;
displayItem.AreaSubAreaCountToDelete = areaSubAreaCount;
displayItem.AreaPhotoPlaceCountToDelete = countrySubjectLocationCount;
}
private void SetDeleteDialogCountryInformation(SettingsDeleteDisplayItem displayItem)
{
// get country from UI
if (Window.Settings_CountryControl.GetCurrentObject() is Country countryFromUI)
{
// get count of deleted areas / subareas
var countryAreaCount = 0;
var countrySubAreaCount = 0;
// loop through all areas
foreach (var area in countryFromUI.Areas)
{
// read addtional area informtion from database
var success = DataAccessAdapter.ReadAreaById(area.Id, out Area areaFullInformation, out string errorMessage);
if (success == PersistenceManager.E_DBReturnCode.error)
{
ShowMessage("Error reading area information." + errorMessage, E_MessageType.error);
}
// area has one one country, so it can be deleted
if (areaFullInformation.Countries.Count == 1)
{
countryAreaCount++;
}
// loop through all subareas of current area read from database with full information
foreach (var subarea in areaFullInformation.SubAreas)
{
// read additonal subarea information from database
success = DataAccessAdapter.ReadSubAreaById(subarea.Id, out SubArea subAreaFullInformation, out errorMessage);
if (success == PersistenceManager.E_DBReturnCode.error)
{
ShowMessage("Error reading subarea information." + errorMessage, E_MessageType.error);
}
// subarea has only one area, so it can be deleted
if (subAreaFullInformation.Areas.Count == 1)
{
countrySubAreaCount++;
}
}
// only delete areas that have no further countries
if (areaFullInformation.Countries.Count == 1)
{
countryAreaCount++;
}
}
// subject location has only one country
var countrySubjectLocationCount = countryFromUI.SubjectLocations.Count;
displayItem.CountryAreaCountToDelete = countryAreaCount;
displayItem.CountrySubAreaCountToDelete = countrySubAreaCount;
displayItem.CountrySubjectLocationCountToDelete = countrySubjectLocationCount;
}
}
public SettingsDeleteWindow(MainWindow mainWindow)
{
InitializeComponent();
DisplayItem = new SettingsDeleteDisplayItem();
this.DataContext = DisplayItem;
_controler = new SettingsDeleteWindowControler(this, mainWindow);
_controler.InitializeDialog();
}
private void SetDeleteDialogSubAreaInformation(SettingsDeleteDisplayItem displayItem)
{
var subAreaFromUI = Window.Settings_SubAreaControl.GetCurrentObject() as SubArea;
if (DataAccessAdapter.ReadSubAreaById(subAreaFromUI.Id, out SubArea subAreaFromDB, out string errorMessage) == PersistenceManager.E_DBReturnCode.error)
{
ShowMessage("Error reading subarea information." + errorMessage, E_MessageType.error);
}
// subject location has only one country
var countrySubjectLocationCount = subAreaFromDB.SubjectLocation.Count;
displayItem.SubAreaPhotoPlaceCountToDelete = countrySubjectLocationCount;
}
