public TableMappingViewModel(TableMapping tableMapping, MappingPageViewModel mappingPageViewModel)
{
this.viewModel = mappingPageViewModel;
ObservableCollection<ColumnMappingViewModel> viewModels = new ObservableCollection<ColumnMappingViewModel>();
foreach (DBColumn column in tableMapping.DestinationTable.Columns)
{
ColumnMapping columnMapping = tableMapping.ColumnMappings.Where(c => c.DestinationColumn == column).FirstOrDefault();
if (columnMapping == null) columnMapping = new NullColumnMapping(column, tableMapping.AllowedColumnUses()[0]);
viewModels.Add(ColumnMappingViewModelCreator.CreateFromColumnMapping(columnMapping, this));
}
ColumnMapping[] columnMappings = viewModels.Select(v => v.ColumnMapping).ToArray();
tableMapping.ColumnMappings = columnMappings;
this.tableMapping = tableMapping;
this.columnsMappingViewModels = viewModels.ToList();
}
