Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / System / data / design / SourceCollection.cs / 1 / SourceCollection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All Rights Reserved. // Information Contained Herein is Proprietary and Confidential. // //----------------------------------------------------------------------------- namespace System.Data.Design{ using System; using System.Collections; using System.Diagnostics; using System.Design; ////// internal class SourceCollection : DataSourceCollectionBase, ICloneable { internal SourceCollection(DataSourceComponent collectionHost) : base(collectionHost) { } protected override Type ItemType { get { return typeof(Source); } } private DbSource MainSource { get{ DesignTable table = CollectionHost as DesignTable; return table.MainSource as DbSource; } } protected override INameService NameService { get { return SourceNameService.DefaultInstance; } } public int Add( Source s ) { return List.Add( s ); } public object Clone() { SourceCollection clone = new SourceCollection(null); foreach (Source s in this) { clone.Add((Source)s.Clone()); } return clone; } public bool Contains(Source s) { return List.Contains( s ); } bool DbSourceNameExist(DbSource dbSource, bool isFillName, string nameToBeChecked) { // Check both names even though a dbSource may only use one name at the time. // When a user change the DbSource's type to have two names, we then have a good starting name for her. // if (isFillName && StringUtil.EqualValue(nameToBeChecked, dbSource.GetMethodName, true)) { return true; } if (!isFillName && StringUtil.EqualValue(nameToBeChecked, dbSource.FillMethodName, true)) { return true; } foreach (DbSource s in this) { if (s != dbSource && s.NameExist(nameToBeChecked)){ return true; } } DbSource mainSource = MainSource; if (dbSource != mainSource && mainSource != null && mainSource.NameExist(nameToBeChecked)) { return true; } return false; } ////// /// ///internal override protected IDataSourceNamedObject FindObject(string name) { DbSource mainSource = MainSource; if (mainSource != null && mainSource.NameExist(name)) { return mainSource; } IEnumerator e = this.InnerList.GetEnumerator(); while (e.MoveNext()) { DbSource dbSource = e.Current as DbSource; if (dbSource != null) { if (dbSource.NameExist(name)) { return dbSource; } } else { IDataSourceNamedObject existing = (IDataSourceNamedObject)e.Current; if (StringUtil.EqualValue(existing.Name, name, false /*caseinsensitive*/)) { return existing; } } } return null; } public int IndexOf(Source s) { return List.IndexOf(s); } public void Remove(Source s) { List.Remove( s ); } #if not_needed_yet /// /// MainSource is not included in the sources collection, we fix the name validation for MainSource here. /// As MainSource name is fixed and not editable, we don't need to call this function to do validation /// /// ///internal void ValidateNameForMainSource(string mainSourceNameTobeCheck) { base.ValidateName(null, mainSourceNameTobeCheck); } #endif /// /// As MainSource is not included in the sources collection, we fix the name validation for sources here. /// /// ///private void ValidateNameWithMainSource(object dbSourceToCheck, string nameToCheck) { DbSource mainSource = MainSource; if (dbSourceToCheck != mainSource && mainSource != null) { if (mainSource.NameExist(nameToCheck)){ throw new NameValidationException(SR.GetString(SR.CM_NameExist, nameToCheck)); } } } /// /// /// internal protected override void ValidateName(IDataSourceNamedObject obj) { DbSource dbSource = obj as DbSource; if (dbSource != null) { if ((dbSource.GenerateMethods & GenerateMethodTypes.Get) == GenerateMethodTypes.Get) { this.NameService.ValidateName(dbSource.GetMethodName); } if ((dbSource.GenerateMethods & GenerateMethodTypes.Fill) == GenerateMethodTypes.Fill) { this.NameService.ValidateName(dbSource.FillMethodName); } } else { base.ValidateName(obj); } } ////// /// internal protected override void ValidateUniqueName(IDataSourceNamedObject obj, string proposedName) { Debug.Assert(!(obj is DbSource), "We should not call this function if it is a dbsource"); ValidateNameWithMainSource(obj, proposedName); base.ValidateUniqueName(obj, proposedName); } internal void ValidateUniqueDbSourceName(DbSource dbSource, string proposedName, bool isFillName) { if (this.DbSourceNameExist(dbSource, isFillName, proposedName)) { throw new NameValidationException(SR.GetString(SR.CM_NameExist, proposedName)); } this.NameService.ValidateName(proposedName); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ReversePositionQuery.cs
- ToolStripPanelCell.cs
- SingleConverter.cs
- OletxDependentTransaction.cs
- SplayTreeNode.cs
- PathGeometry.cs
- CheckBoxList.cs
- DragDrop.cs
- ContentFilePart.cs
- Parser.cs
- BindingNavigator.cs
- LocatorGroup.cs
- MenuItem.cs
- SafeThemeHandle.cs
- Peer.cs
- SQLMoneyStorage.cs
- SHA1CryptoServiceProvider.cs
- SimpleWebHandlerParser.cs
- BuildManagerHost.cs
- AttributeAction.cs
- FamilyMap.cs
- NullRuntimeConfig.cs
- SplayTreeNode.cs
- WebEvents.cs
- XomlCompilerHelpers.cs
- LongTypeConverter.cs
- PreProcessInputEventArgs.cs
- List.cs
- SignatureConfirmations.cs
- ZipIOExtraField.cs
- ErrorHandlerFaultInfo.cs
- SafeArchiveContext.cs
- CookielessHelper.cs
- ByteKeyFrameCollection.cs
- EventRecordWrittenEventArgs.cs
- CompilerHelpers.cs
- ClrPerspective.cs
- UnsafeNativeMethods.cs
- ErrorWrapper.cs
- webclient.cs
- HtmlHistory.cs
- SubqueryRules.cs
- QilStrConcat.cs
- ClonableStack.cs
- NullableDoubleMinMaxAggregationOperator.cs
- DragDeltaEventArgs.cs
- ExchangeUtilities.cs
- ValidationVisibilityAttribute.cs
- FillErrorEventArgs.cs
- FileDataSourceCache.cs
- BigInt.cs
- EndpointPerformanceCounters.cs
- AccessorTable.cs
- StylusPlugin.cs
- EventWaitHandleSecurity.cs
- DataGridPageChangedEventArgs.cs
- WorkflowInlining.cs
- TableStyle.cs
- CompilerErrorCollection.cs
- DbExpressionVisitor_TResultType.cs
- XmlSchemaType.cs
- DefaultExpression.cs
- AlphabetConverter.cs
- ApplicationException.cs
- OutputCacheProfile.cs
- ProvideValueServiceProvider.cs
- GenericArgumentsUpdater.cs
- ContextConfiguration.cs
- LocatorPart.cs
- DataServiceProviderWrapper.cs
- DesignerAttribute.cs
- FunctionNode.cs
- SchemaNotation.cs
- SqlGenericUtil.cs
- GenericPrincipal.cs
- SQLBinary.cs
- FileIOPermission.cs
- SynchronizationContext.cs
- Int32Collection.cs
- VisualStyleElement.cs
- AuthorizationBehavior.cs
- Matrix3D.cs
- XmlSchemaImport.cs
- TypePropertyEditor.cs
- SqlRewriteScalarSubqueries.cs
- WebScriptEnablingBehavior.cs
- RecognizeCompletedEventArgs.cs
- SignedPkcs7.cs
- PageCatalogPartDesigner.cs
- odbcmetadatafactory.cs
- AsyncDataRequest.cs
- DatagridviewDisplayedBandsData.cs
- FlowchartDesigner.xaml.cs
- EventWaitHandleSecurity.cs
- StringUtil.cs
- XDRSchema.cs
- UmAlQuraCalendar.cs
- _ConnectOverlappedAsyncResult.cs
- HtmlAnchor.cs
- HotSpotCollection.cs