//
// System.Data.Common.DataColumnMappingCollection
//
// Authors:
// Rodrigo Moya (rodrigo@ximian.com)
// Tim Coleman (tim@timcoleman.com)
//
// (C) Ximian, Inc
// Copyright (C) Tim Coleman, 2002-2003
//
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
namespace System.Data.Common{
public sealed class DataColumnMappingCollection : MarshalByRefObject, IColumnMappingCollection , IList, ICollection, IEnumerable
{
#region Fields
readonly ArrayList list;
readonly Hashtable sourceColumns;
readonly Hashtable dataSetColumns;
#endregion // Fields
#region Constructors
public DataColumnMappingCollection ()
{
list = new ArrayList ();
sourceColumns = new Hashtable ();
dataSetColumns = new Hashtable ();
}
#endregion // Constructors
#region Properties
[Browsable (false)]
#if !NET_2_0
[DataSysDescription ("The number of items in the collection")]
#endif
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public int Count {
get { return list.Count; }
}
[Browsable (false)]
#if !NET_2_0
[DataSysDescription ("The specified DataColumnMapping object.")]
#endif
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public DataColumnMapping this [int index] {
get { return (DataColumnMapping)(list[index]); }
set {
DataColumnMapping mapping = (DataColumnMapping)(list[index]);
sourceColumns[mapping] = value;
dataSetColumns[mapping] = value;
list[index] = value;
}
}
[Browsable (false)]
#if !NET_2_0
[DataSysDescription ("The specified DataColumnMapping object.")]
#endif
[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
public DataColumnMapping this [string sourceColumn] {
get {
if (!Contains(sourceColumn))
throw new IndexOutOfRangeException("DataColumnMappingCollection doesn't contain DataColumnMapping with SourceColumn '" + sourceColumn + "'.");
return (DataColumnMapping) sourceColumns [sourceColumn];
}
set {
this [list.IndexOf (sourceColumns [sourceColumn])] = value;
}
}
object ICollection.SyncRoot {
get { return list.SyncRoot; }
}
bool ICollection.IsSynchronized {
get { return list.IsSynchronized; }
}
object IColumnMappingCollection.this [string index] {
get { return this [index]; }
set {
if (!(value is DataColumnMapping))
throw new ArgumentException ();
this [index] = (DataColumnMapping) value;
}
}
object IList.this [int index] {
get { return this [index]; }
set {
if (!(value is DataColumnMapping))
throw new ArgumentException ();
this [index] = (DataColumnMapping) value;
}
}
bool IList.IsReadOnly {
get { return false; }
}
bool IList.IsFixedSize {
get { return false; }
}
#endregion // Properties
#region Methods
public int Add (object value)
{
if (!(value is DataColumnMapping))
throw new InvalidCastException ();
list.Add (value);
sourceColumns [((DataColumnMapping) value).SourceColumn] = value;
dataSetColumns [((DataColumnMapping )value).DataSetColumn] = value;
return list.IndexOf (value);
}
public DataColumnMapping Add (string sourceColumn, string dataSetColumn)
{
DataColumnMapping mapping = new DataColumnMapping (sourceColumn, dataSetColumn);
Add (mapping);
return mapping;
}
#if NET_2_0
public void AddRange (Array values)
{
for (int i = 0; i < values.Length; ++i)
Add (values.GetValue (i));
}
#endif
public void AddRange (DataColumnMapping[] values)
{
foreach (DataColumnMapping mapping in values)
Add (mapping);
}
public void Clear ()
{
list.Clear ();
}
public bool Contains (object value)
{
if (!(value is DataColumnMapping))
throw new InvalidCastException("Object is not of type DataColumnMapping");
return (list.Contains (value));
}
public bool Contains (string value)
{
return (sourceColumns.Contains (value));
}
public void CopyTo (Array array, int index)
{
list.CopyTo (array,index);
}
#if NET_2_0
public void CopyTo (DataColumnMapping [] arr, int index)
{
list.CopyTo (arr, index);
}
#endif
public DataColumnMapping GetByDataSetColumn (string value)
{
// this should work case-insenstive.
if (!(dataSetColumns [value] == null))
return (DataColumnMapping) (dataSetColumns [value]);
else {
string lowcasevalue = value.ToLower ();
object [] keyarray = new object [dataSetColumns.Count];
dataSetColumns.Keys.CopyTo (keyarray, 0);
for (int i = 0; i < keyarray.Length; i++) {
string temp = (string) keyarray [i];
if (lowcasevalue.Equals (temp.ToLower ()))
return (DataColumnMapping) (dataSetColumns [keyarray [i]]);
}
return null;
}
}
[EditorBrowsable (EditorBrowsableState.Advanced)]
public static DataColumnMapping GetColumnMappingBySchemaAction (DataColumnMappingCollection columnMappings, string sourceColumn, MissingMappingAction mappingAction)
{
if (columnMappings.Contains (sourceColumn))
return columnMappings[sourceColumn];
if (mappingAction == MissingMappingAction.Ignore)
return null;
if (mappingAction == MissingMappingAction.Error)
throw new InvalidOperationException (String.Format ("Missing SourceColumn mapping for '{0}'", sourceColumn));
return new DataColumnMapping (sourceColumn, sourceColumn);
}
#if NET_2_0
[MonoTODO]
[EditorBrowsable (EditorBrowsableState.Advanced)]
public static DataColumn GetDataColumn (DataColumnMappingCollection columnMappings, string sourceColumn, Type dataType, DataTable dataTable, MissingMappingAction mappingAction, MissingSchemaAction schemaAction)
{
throw new NotImplementedException ();
}
#endif
public IEnumerator GetEnumerator ()
{
return list.GetEnumerator ();
}
IColumnMapping IColumnMappingCollection.Add (string sourceColumnName, string dataSetColumnName)
{
return Add (sourceColumnName, dataSetColumnName);
}
IColumnMapping IColumnMappingCollection.GetByDataSetColumn (string dataSetColumnName)
{
return GetByDataSetColumn (dataSetColumnName);
}
public int IndexOf (object value)
{
return list.IndexOf (value);
}
public int IndexOf (string sourceColumn)
{
return list.IndexOf (sourceColumns [sourceColumn]);
}
public int IndexOfDataSetColumn (string dataSetColumn)
{
// this should work case-insensitive
if (!(dataSetColumns [dataSetColumn] == null))
return list.IndexOf (dataSetColumns [dataSetColumn]);
else {
string lowcasevalue = dataSetColumn.ToLower ();
object [] keyarray = new object[dataSetColumns.Count];
dataSetColumns.Keys.CopyTo (keyarray,0);
for (int i = 0; i < keyarray.Length; i++) {
string temp = (string) keyarray [i];
if (lowcasevalue.Equals (temp.ToLower ()))
return list.IndexOf (dataSetColumns [keyarray [i]]);
}
return -1;
}
}
public void Insert (int index, object value)
{
list.Insert (index, value);
sourceColumns [((DataColumnMapping) value).SourceColumn] = value;
dataSetColumns [((DataColumnMapping) value).DataSetColumn] = value;
}
#if NET_2_0
public void Insert (int index, DataColumnMapping mapping)
{
list.Insert (index, mapping);
sourceColumns [mapping.SourceColumn] = mapping;
dataSetColumns [mapping.DataSetColumn] = mapping;
}
#endif
public void Remove (object value)
{
int index = list.IndexOf (value);
sourceColumns.Remove (((DataColumnMapping) value).SourceColumn);
dataSetColumns.Remove (((DataColumnMapping) value).DataSetColumn);
if (index < 0 || index >=list.Count)
throw new ArgumentException("There is no such element in collection.");
list.Remove (value);
}
#if NET_2_0
public void Remove (DataColumnMapping value)
{
int index = list.IndexOf (value);
sourceColumns.Remove (value.SourceColumn);
dataSetColumns.Remove (value.DataSetColumn);
if ( index < 0 || index >=list.Count)
throw new ArgumentException("There is no such element in collection.");
list.Remove (value);
}
#endif
public void RemoveAt (int index)
{
if (index < 0 || index >=list.Count)
throw new IndexOutOfRangeException("There is no element in collection.");
Remove (list [index]);
}
public void RemoveAt (string sourceColumn)
{
RemoveAt (list.IndexOf (sourceColumns [sourceColumn]));
}
#endregion // Methods
}
}
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