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 ITableDataSet ConvertToMasterTableIfIsRequired(ITableDataSet tableDataSet)
{
if (tableDataSet is IMasterTableDataSet masterTableDataSet)
{
return(masterTableDataSet);
}
var entityConfiguration = gridConfigurationProvider.GetGridConfigurationByType(tableDataSet.UnderlyingTypeOfItem());
if (!entityConfiguration.IsMasterTable)
{
return(tableDataSet);
}
var masterDetailTableDataSetType = typeof(MasterDetailTableDataSet <>).MakeGenericType(tableDataSet.UnderlyingTypeOfItem());
var masterDetailTableDataSet = Activator.CreateInstance(masterDetailTableDataSetType,
new object[] { tableDataSet, gridConfigurationProvider, tableDataAdapterProvider }) as IMasterTableDataSet;
return(masterDetailTableDataSet);
}
public override ITableDataSet GetTableDataSet(Action <TableDataSetOptions> configureDataSet)
{
var masterDetailRelation = gridConfigurationProvider
.GetGridConfigurationByType(masterDetailRowArguments.SelectedItem.GetType())
.FindRelationshipConfiguration(UnderlyingTypeOfItem);
if (masterDetailRelation.IsOwnCollection)
{
return(masterDetailRowArguments.DataAdapter.GetTableDataSet(configureDataSet));
}
var clonedDataAdapter = masterDetailRowArguments.DataAdapter.Clone() as ITableDataAdapter;
foreach (var visitor in detailDataAdapterVisitors.GetVisitors(masterDetailRowArguments))
{
clonedDataAdapter.Accept(visitor);
}
return(clonedDataAdapter.GetTableDataSet(configureDataSet));
}
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);
}