public override int GetHashCode ()
{
- return source.GetHashCode() + member.GetHashCode ();
+ return source.GetHashCode() ^ member.GetHashCode ();
}
public override bool Equals (object o)
return res;
res = CreateBindingManager (data_source, data_member);
- Console.WriteLine ("CREATED: {0}", res);
if (res == null)
return null;
managers [key] = res;
private BindingManagerBase CreateBindingManager (object data_source, string data_member)
{
-#if true
- /* the following is gross and special cased
- and needs to die. a more proper
- implementation would be something like
- what's down below in the #else section,
- where the recursion over the nagivation
- path is at the toplevel.
- */
-
- DataTable table = data_source as DataTable;
- if (table == null && data_source is DataView)
- table = ((DataView) data_source).Table;
-
- DataSet dataset = data_source as DataSet;
- if (table != null) {
- return new CurrencyManager (new DataView (table));
- }
- else if (data_member != "" && dataset != null) {
- BindingMemberInfo info = new BindingMemberInfo (data_member);
-
- if (info.BindingPath == "") {
- table = dataset.Tables [info.BindingField];
- if (table == null)
- throw new ArgumentException (String.Format ("Specified data member table `{0}' does not exist in the data source DataSet", info.BindingField));
-
- return new CurrencyManager (new DataView (table));
- }
- else {
- Console.WriteLine ("Getting parent_manager for {0}", info.BindingPath);
- CurrencyManager parent_manager = (CurrencyManager) this[data_source, info.BindingPath];
-
- table = ((DataView)parent_manager.data_source).Table;
-
- DataColumn col = table.Columns [info.BindingField];
- DataRelation rel = dataset.Relations [info.BindingField];
-
- if (col != null) {
- Console.WriteLine ("+ creating related property manager for column {0}", info.BindingField);
- return new RelatedPropertyManager (parent_manager, info.BindingField);
- }
- else if (rel != null) {
- Console.WriteLine ("+ creating related currency manager for relation {0}", info.BindingField);
- return new RelatedCurrencyManager (parent_manager, rel);
- }
- else
- throw new ArgumentException (String.Format ("Specified data member {0} does not exist in the data table {1}",
- info.BindingField, table.TableName));
-
- }
- }
- else if (data_source is IList) {
- IList list = (IList)data_source;
-
- if (data_member == "") {
- return new CurrencyManager (list);
- }
- else {
- CurrencyManager parent_manager = (CurrencyManager) this[data_source, ""];
-
- if (parent_manager.Count == 0 ||
- TypeDescriptor.GetProperties (parent_manager.GetItem (0)).Find (data_member, true) == null) {
- throw new ArgumentException ("Cannot create a child list for field {0}", data_member);
- }
-
-
- Console.WriteLine ("creating related property manager for column {0} on an IList source", data_member);
- return new RelatedPropertyManager (parent_manager, data_member);
- }
- } else if (data_source is IListSource) {
- return new CurrencyManager (((IListSource) data_source).GetList ());
- }
- else {
- /* must be a property */
- Console.WriteLine ("creating PropertyManager");
- return new PropertyManager (data_source, data_member);
- }
-#else
if (data_member == "") {
- if (data_source is DataSet) {
- return new CurrencyManager (new DataViewManager ((DataSet)data_source));
- }
- else if (data_source is DataTable) {
- return new CurrencyManager (new DataView ((DataTable)data_source));
- }
- else if (data_source is DataView) {
- return new CurrencyManager ((DataView)data_source);
- }
- else if (data_source is IListSource) {
- return new CurrencyManager (((IListSource) data_source).GetList ());
- }
- else if (data_source is IList) {
- return new CurrencyManager ((IList) data_source);
- }
- else {
- return new PropertyManager (data_source, data_member);
- }
+ if (IsListType (data_source.GetType ()))
+ return new CurrencyManager (data_source);
+ else
+ return new PropertyManager (data_source);
}
else {
BindingMemberInfo info = new BindingMemberInfo (data_member);
- Console.WriteLine ("Getting parent_manager for {0}", info.BindingPath);
BindingManagerBase parent_manager = this[data_source, info.BindingPath];
- CurrencyManager cm = parent_manager as CurrencyManager;
PropertyDescriptor pd = parent_manager == null ? null : parent_manager.GetItemProperties ().Find (info.BindingField, true);
- if (pd != null) {
- Console.WriteLine ("parent_manager.GetItemProperties returned property descriptor for {0}", pd.Name);
- if (cm != null) {
- if (cm.data_source is DataViewManager)
- return new RelatedCurrencyManager (cm, );
- else
- return new RelatedPropertyManager (cm, info.BindingField);
- }
- }
- else {
- /* null property. extra checks here, for e.g. DataRelations */
- if (cm != null) {
- if (cm.data_source is DataViewManager) {
- DataSet ds = ((DataViewManager)cm.data_source).DataSet;
- DataRelation rel = ds.Relations [info.BindingField];
-
- if (rel != null) {
- Console.WriteLine ("+ creating related currency manager for relation {0}", info.BindingField);
- return new RelatedCurrencyManager (cm, rel);
- }
- }
- }
- }
-
- throw new ArgumentException (String.Format ("Cannot create a child list for field {0}", info.BindingField));
+ if (pd == null)
+ throw new ArgumentException (String.Format ("Cannot create a child list for field {0}.", info.BindingField));
+
+ if (IsListType (pd.PropertyType))
+ return new RelatedCurrencyManager (parent_manager, pd);
+ else
+ return new RelatedPropertyManager (parent_manager, info.BindingField);
}
-#endif
+ }
+
+ bool IsListType (Type t)
+ {
+ return (typeof (IList).IsAssignableFrom (t)
+ || typeof (IListSource).IsAssignableFrom (t));
}
#region Public Instance Methods
#endregion // Protected Instance Methods
#region Events
+#if NET_2_0
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+#endif
public event CollectionChangeEventHandler CollectionChanged {
add { throw new NotImplementedException (); }
remove { /* nothing to do here.. */ }
}
int ICollection.Count {
- get {
- return managers.Count;
- }
+ get { return managers.Count; }
}
bool ICollection.IsSynchronized {
- get {
- return false;
- }
+ get { return false; }
}
object ICollection.SyncRoot {
- get {
- return null;
- }
+ get { return null; }
}
#endregion // ICollection Interfaces
projects / mono.git / blobdiff