public DataServiceAssociationProvider(AssociationDirection direction,
ColumnProvider fromColumn, TableProvider toTable, IList<String> foreignKeyNames) {
Direction = direction;
FromColumn = fromColumn;
ToTable = toTable;
ForeignKeyNames = new ReadOnlyCollection<string>(foreignKeyNames);
}
protected override MetaTable CreateTable(TableProvider provider)
{
if (_getVisibleColumns == null)
return new SecureMetaTable(this, provider);
else
return new SecureMetaTable(this, provider, _getVisibleColumns);
}
/// <summary>
/// ctor
/// </summary>
/// <param name="table">the table this column belongs to</param>
protected ColumnProvider(TableProvider table) {
if (table == null) {
throw new ArgumentNullException("table");
}
Table = table;
}
public SimpleColumnProvider(TableProvider table, PropertyDescriptor prop)
: base(table) {
_prop = prop;
Name = _prop.Name;
ColumnType = _prop.PropertyType;
// TODO: do we really need to set EntityTypeProperty
//EntityTypeProperty = prop;
Nullable = true;
IsSortable = true;
}
public DLinqColumnProvider (TableProvider owner, MetaDataMember meta)
: base (owner)
{
if (owner == null)
throw new ArgumentNullException ("owner");
if (meta == null)
throw new ArgumentNullException ("meta");
// FIXME: fill more
Name = meta.Name;
Nullable = meta.CanBeNull;
}
public SimpleColumnProvider(TableProvider tableProvider, PropertyDescriptor propertyDescriptor)
: base(tableProvider) {
if (propertyDescriptor.PropertyType == null) {
throw new ArgumentNullException(DynamicDataResources.SimpleColumnProvider_ColumnTypeRequired);
}
Name = propertyDescriptor.Name;
ColumnType = propertyDescriptor.PropertyType;
IsPrimaryKey = propertyDescriptor.Attributes.OfType<KeyAttribute>().Any();
Nullable = Misc.TypeAllowsNull(ColumnType);
IsReadOnly = propertyDescriptor.IsReadOnly;
IsSortable = true;
}
public DataServiceColumnProvider(TableProvider table, PropertyInfo prop, bool isKey)
: base(table) {
_prop = prop;
EntityTypeProperty = prop;
Name = _prop.Name;
ColumnType = _prop.PropertyType;
IsPrimaryKey = isKey;
IsSortable = true;
IsGenerated = false; // We don't have a way of knowing this...could be an issue
IsForeignKeyComponent = false; // No FKs in Astoria
IsCustomProperty = false; // All properties are considered part of the contract in Astoria client
Nullable = DataServiceUtilities.IsNullableType(ColumnType);
}
public SimpleColumnProvider(TableProvider tableProvider, PropertyDescriptor propertyDescriptor)
: base(tableProvider)
{
if (propertyDescriptor.PropertyType == null)
{
throw new ArgumentNullException(DynamicDataResources.SimpleColumnProvider_ColumnTypeRequired);
}
Name = propertyDescriptor.Name;
ColumnType = propertyDescriptor.PropertyType;
IsPrimaryKey = propertyDescriptor.Attributes.OfType <KeyAttribute>().Any();
Nullable = Misc.TypeAllowsNull(ColumnType);
IsReadOnly = propertyDescriptor.IsReadOnly;
IsSortable = true;
}
public DLinqColumnProvider(TableProvider owner, MetaDataMember meta)
: base(owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (meta == null)
{
throw new ArgumentNullException("meta");
}
// FIXME: fill more
Name = meta.Name;
Nullable = meta.CanBeNull;
}
private static DLinqColumnProvider FindColumn(TableProvider table, String columnName) {
//
return (DLinqColumnProvider)table.Columns.First(member => member.Name.Equals(columnName));
}
protected override MetaTable CreateTable(TableProvider provider) {
return new CustomMetaTable(this, provider);
}
public MetaTable(MetaModel metaModel, TableProvider tableProvider) {
_tableProvider = tableProvider;
Model = metaModel;
}
private DataServiceColumnProvider(TableProvider table)
: base(table) {
}
internal MetaTable (MetaModel model, TableProvider provider, ContextConfiguration configuration)
{
bool scaffoldAllTables;
this.model = model;
Provider = provider;
if (configuration != null) {
ScaffoldAllTables = scaffoldAllTables = configuration.ScaffoldAllTables;
Func <Type, TypeDescriptionProvider> factory = configuration.MetadataProviderFactory;
if (factory != null) {
Type t = EntityType;
TypeDescriptionProvider p = factory (t);
if (p != null)
TypeDescriptor.AddProvider (p, t);
}
} else
scaffoldAllTables = false;
ScaffoldTableAttribute attr = null;
MetaModel.GetDataFieldAttribute <ScaffoldTableAttribute> (Attributes, ref attr);
Scaffold = attr != null ? attr.Scaffold : scaffoldAllTables;
DataContextType = provider.DataModel.ContextType;
var columns = new List <MetaColumn> ();
var primaryKeyColumns = new List <MetaColumn> ();
var foreignKeyColumnNames = new List <string> ();
MetaColumn mc;
foreach (var c in provider.Columns) {
// this seems to be the determining factor on whether we create
// MetaColumn or MetaForeignKeyColumn/MetaChildrenColumn. As the
// determination depends upon the relationship direction, we must
// check that using the ColumnProvider's association, if any.
//
// http://msdn.microsoft.com/en-us/library/system.web.dynamicdata.metaforeignkeycolumn.aspx
// http://msdn.microsoft.com/en-us/library/system.web.dynamicdata.metachildrencolumn.aspx
// http://forums.asp.net/t/1426992.aspx
var association = c.Association;
if (association == null)
mc = new MetaColumn (this, c);
else {
var dir = association.Direction;
if (dir == AssociationDirection.OneToOne || dir == AssociationDirection.ManyToOne)
mc = new MetaForeignKeyColumn (this, c);
else
mc = new MetaChildrenColumn (this, c);
}
columns.Add (mc);
if (c.IsPrimaryKey)
primaryKeyColumns.Add (mc);
if (mc is MetaForeignKeyColumn)
foreignKeyColumnNames.Add (c.Name);
}
Columns = new ReadOnlyCollection <MetaColumn> (columns);
PrimaryKeyColumns = new ReadOnlyCollection <MetaColumn> (primaryKeyColumns);
if (foreignKeyColumnNames.Count == 0)
ForeignKeyColumnsNames = String.Empty;
else
ForeignKeyColumnsNames = String.Join (",", foreignKeyColumnNames.ToArray ());
HasPrimaryKey = primaryKeyColumns.Count > 0;
// See http://forums.asp.net/t/1388561.aspx
//
// Also, http://forums.asp.net/t/1307243.aspx - that seems to be out of
// scope for us, though (at least for now)
IsReadOnly = primaryKeyColumns.Count == 0;
// FIXME: fill more properties.
}
public SecureMetaTable(MetaModel metaModel, TableProvider tableProvider)
: base(metaModel, tableProvider)
{
}
private static DLinqColumnProvider FindColumn(TableProvider table, String columnName)
{
//
return((DLinqColumnProvider)table.Columns.First(member => member.Name.Equals(columnName)));
}
public CustomMetaTable(MetaModel metaModel, TableProvider tableProvider) :
base(metaModel, tableProvider) {
}
public SecureMetaTable(MetaModel metaModel, TableProvider tableProvider, SecureMetaModel.GetVisibleColumns getVisibleColumns)
: base(metaModel, tableProvider)
{
_getVisibleColumns = getVisibleColumns;
}
