public IEnumerable <IDataTableAdapterVisitor> GetVisitors(IMasterDetailRowArguments masterDetailRowArguments)
{
var selectedItemType = masterDetailRowArguments.SelectedItem.GetType();
var detailAdapterItemType = masterDetailRowArguments.DataAdapter.UnderlyingTypeOfItem;
var masterDetailConfiguration = _gridConfigurationProvider
.GetGridConfigurationByType(selectedItemType)
.FindRelationshipConfiguration(detailAdapterItemType);
if (masterDetailRowArguments.DataAdapter is ILazyLoadedTableDataAdapter)
{
return(new List <IDataTableAdapterVisitor>
{
new LazyLoadingRouteParamVisitor(masterDetailConfiguration, masterDetailRowArguments, _propertyValueAccessorCache)
});
}
var filterVisitorType = typeof(FilterVisitor <>).MakeGenericType(detailAdapterItemType);
var filterVisitor = Activator.CreateInstance(filterVisitorType,
new object[]
{
masterDetailConfiguration,
masterDetailRowArguments,
_propertyValueAccessorCache
}) as IDataTableAdapterVisitor;
return(new List <IDataTableAdapterVisitor>
{
filterVisitor
});
}
public FilterVisitor(
IMasterDetailRelationship masterDetailRelationship,
IMasterDetailRowArguments masterDetailRowArguments,
ITypePropertyAccessorCache propertyValueAccessorCache)
{
_masterDetailRelationship = masterDetailRelationship ?? throw new ArgumentNullException(nameof(masterDetailRelationship));
_masterDetailRowArguments = masterDetailRowArguments ?? throw new ArgumentNullException(nameof(masterDetailRowArguments));
_propertyValueAccessorCache = propertyValueAccessorCache ?? throw new ArgumentNullException(nameof(propertyValueAccessorCache));
}
public DetailTableDataAdapter(
IGridConfigurationProvider gridConfigurationProvider,
IDetailDataAdapterVisitors detailDataAdapterVisitors,
IMasterDetailRowArguments masterDetailRowArguments)
{
this.gridConfigurationProvider = gridConfigurationProvider ?? throw new ArgumentNullException(nameof(gridConfigurationProvider));
this.detailDataAdapterVisitors = detailDataAdapterVisitors ?? throw new ArgumentNullException(nameof(detailDataAdapterVisitors));
this.masterDetailRowArguments = masterDetailRowArguments ?? throw new ArgumentNullException(nameof(masterDetailRowArguments));
}
public LazyLoadingRouteParamVisitor(
IMasterDetailRelationship masterDetailRelationship,
IMasterDetailRowArguments masterDetailRowArguments,
ITypePropertyAccessorCache propertyValueAccessorCache
)
{
this.masterDetailRelationship = masterDetailRelationship ?? throw new ArgumentNullException(nameof(masterDetailRelationship));
this.masterDetailRowArguments = masterDetailRowArguments ?? throw new ArgumentNullException(nameof(masterDetailRowArguments));
this.propertyValueAccessorCache = propertyValueAccessorCache ?? throw new ArgumentNullException(nameof(propertyValueAccessorCache));
}
public void SelectDataAdapter(IMasterDetailRowArguments masterDetailRowArguments)
{
if (masterDetailRowArguments is null)
{
throw new ArgumentNullException(nameof(masterDetailRowArguments));
}
selectedDataAdapters[masterDetailRowArguments.SelectedItem] = tableDataAdapterProvider.ConvertToDetailTableDataAdapter(
masterDetailRowArguments.DataAdapter,
masterDetailRowArguments.SelectedItem);
}
private IDataTableAdapterVisitor GetFilterVisitor(IMasterDetailRowArguments masterDetailRowArguments)
{
var selectedItemType = masterDetailRowArguments.SelectedItem.GetType();
var detailAdapterItemType = masterDetailRowArguments.DataAdapter.UnderlyingTypeOfItem;
var masterDetailConfiguration = gridConfigurationProvider
.GetGridConfigurationByType(selectedItemType)
.FindRelationshipConfiguration(detailAdapterItemType);
var constantValue = propertyValueAccessorCache
.GetPropertyAccesor(selectedItemType)
.GetValue(masterDetailRowArguments.SelectedItem, masterDetailConfiguration.MasterDetailConnection.MasterPropertyName);
var parameter = Expression.Parameter(detailAdapterItemType, "x");
var member = Expression.Property(parameter, masterDetailConfiguration.MasterDetailConnection.ForeignPropertyName);
var constant = Expression.Constant(constantValue);
var body = Expression.Equal(member, constant);
var filterVisitorType = typeof(FilterVisitor <>).MakeGenericType(detailAdapterItemType);
var filterVisitor = Activator.CreateInstance(filterVisitorType, new object[] { body, parameter }) as IDataTableAdapterVisitor;
return(filterVisitor);
}
public IEnumerable <IDataTableAdapterVisitor> GetVisitors(IMasterDetailRowArguments masterDetailRowArguments)
=> new List <IDataTableAdapterVisitor>
{
GetFilterVisitor(masterDetailRowArguments)
};
