Code:
/ FX-1434 / FX-1434 / 1.0 / 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.
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