SIL.FieldWorks.Common.Controls.ObjectListPublisher.Replace C# (CSharp) Method

		public void Replace(int hvo, int ivMin, int[] insertions, int cvDel)
		{
			int[] oldHvos;
			if (!m_values.TryGetValue(hvo, out oldHvos))
				oldHvos = new int[0];
			int[] newHvos = new int[oldHvos.Length + insertions.Length - cvDel];
			Array.Copy(oldHvos, 0, newHvos, 0, ivMin); // copy up to ivMin
			Array.Copy(insertions, 0, newHvos, ivMin, insertions.Length); // insert new ones
			Array.Copy(oldHvos, ivMin + cvDel, newHvos, ivMin + insertions.Length, oldHvos.Length - ivMin - cvDel); // copy remaining undeleted ones.
			m_values[hvo] = newHvos;
			SendPropChanged(hvo, ivMin, insertions.Length, cvDel);
		}

		public void SetAndAccessDummyList()
		{
			ILexDb lexDb = Cache.LangProject.LexDbOA;
			ILexEntry entry1 = null;
			ICmResource res1 = null;
			NonUndoableUnitOfWorkHelper.Do(m_actionHandler, () =>
			{
				var leFactory = Cache.ServiceLocator.GetInstance<ILexEntryFactory>();
				entry1 = leFactory.Create();
				ILexEntry entry2 = leFactory.Create();
				res1 = Cache.ServiceLocator.GetInstance<ICmResourceFactory>().Create();
				lexDb.ResourcesOC.Add(res1);
			});

			int hvoRoot = 10578;
			ObjectListPublisher publisher = new ObjectListPublisher(Cache.MainCacheAccessor as ISilDataAccessManaged, ObjectListFlid);
			var values = new int[] {23, 56, 2048};
			Notifiee recorder = new Notifiee();
			publisher.AddNotification(recorder);
			publisher.CacheVecProp(hvoRoot, values);
			Assert.AreEqual(values.Length, publisher.get_VecSize(hvoRoot, ObjectListFlid), "override of vec size");
			//Assert.AreEqual(Cache.LangProject.Texts.Count, publisher.get_VecSize(Cache.LangProject.Hvo, LangProjectTags.kflidTexts), "base vec size");

			Assert.AreEqual(23, publisher.get_VecItem(hvoRoot, ObjectListFlid, 0), "override of vec item");
			Assert.AreEqual(res1.Hvo, publisher.get_VecItem(lexDb.Hvo, LexDbTags.kflidResources, 0), "base vec item");
			Assert.AreEqual(56, publisher.get_VecItem(hvoRoot, ObjectListFlid, 1), "override of vec item, non-zero index");

			VerifyCurrentValue(hvoRoot, publisher, values, "original value");
			Assert.AreEqual(lexDb.ResourcesOC.Count(), publisher.VecProp(lexDb.Hvo, LexDbTags.kflidResources).Length, "base VecProp");

			recorder.CheckChanges(new ChangeInformationTest[] { new ChangeInformationTest(hvoRoot, ObjectListFlid, 0, values.Length, 0) },
				"expected PropChanged from caching HVOs");
			publisher.RemoveNotification(recorder);

			recorder = new Notifiee();
			publisher.AddNotification(recorder);
			publisher.Replace(hvoRoot, 1, new int[] {97, 98}, 0);
			VerifyCurrentValue(hvoRoot, publisher, new int[] {23, 97, 98, 56, 2048}, "after inserting 97, 98" );
			recorder.CheckChanges(new ChangeInformationTest[] { new ChangeInformationTest(hvoRoot, ObjectListFlid, 1, 2, 0) },
				"expected PropChanged from caching HVOs");
			publisher.RemoveNotification(recorder);

			recorder = new Notifiee();
			publisher.AddNotification(recorder);
			publisher.Replace(hvoRoot, 1, new int[0] , 2);
			VerifyCurrentValue(hvoRoot, publisher, new int[] { 23, 56, 2048 }, "after deleting 97, 98");
			recorder.CheckChanges(new ChangeInformationTest[] { new ChangeInformationTest(hvoRoot, ObjectListFlid, 1, 0, 2) },
				"expected PropChanged from caching HVOs");
			publisher.RemoveNotification(recorder);
		}