XML editor now supports an xml schema defined in multiple documents (e.g. Sandcastle MAML schemas).

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@5304 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/XmlEditor/Project/Src/RegisteredXmlSchemas.cs

@@ -160,11 +160,7 @@ namespace ICSharpCode.XmlEditor
 		void AddSchema(XmlSchemaCompletion schema)
 		{
 			if (schema.HasNamespaceUri) {
-				if (!schemas.Contains(schema.NamespaceUri)) {
+				schemas.Add(schema);
-					schemas.Add(schema);
-				} else {
-					schemaErrors.Add(new RegisteredXmlSchemaError("Ignoring duplicate schema namespace '" + schema.NamespaceUri + "'. File '" + schema.FileName + "'."));
-				}
 			} else {
 				schemaErrors.Add(new RegisteredXmlSchemaError("Ignoring schema with no namespace '" + schema.FileName + "'."));
 			}		

src/AddIns/DisplayBindings/XmlEditor/Project/Src/XmlSchemaCompletion.cs

@@ -358,7 +358,7 @@ namespace ICSharpCode.XmlEditor
 		void ReadSchema(XmlReader reader)
 		{
 			try {
-				schema = XmlSchema.Read(reader, new ValidationEventHandler(SchemaValidation));
+				schema = XmlSchema.Read(reader, SchemaValidation);
 				if (schema != null) {
 					XmlSchemaSet schemaSet = new XmlSchemaSet();
 					schemaSet.ValidationEventHandler += SchemaValidation;

src/AddIns/DisplayBindings/XmlEditor/Project/Src/XmlSchemaCompletionCollection.cs

@@ -41,8 +41,10 @@ namespace ICSharpCode.XmlEditor
 			XmlCompletionItemCollection completionItems = new XmlCompletionItemCollection();
 			
 			foreach (XmlSchemaCompletion schema in this) {
-				XmlCompletionItem completionData = new XmlCompletionItem(schema.NamespaceUri, XmlCompletionItemType.NamespaceUri);
+				XmlCompletionItem completionItem = new XmlCompletionItem(schema.NamespaceUri, XmlCompletionItemType.NamespaceUri);
-				completionItems.Add(completionData);
+				if (!completionItems.Contains(completionItem)) {
+					completionItems.Add(completionItem);
+				}
 			}
 			
 			return completionItems;
@@ -82,14 +84,10 @@ namespace ICSharpCode.XmlEditor
 		public void AddRange(XmlSchemaCompletionCollection schemas)
 		{
 			for (int i = 0; i < schemas.Count; i++) {
-				this.Add(schemas[i]);
+				Add(schemas[i]);
 			}
 		}
 		
-		/// <summary>
-		/// Gets the schema completion data with the same filename.
-		/// </summary>
-		/// <returns><see langword="null"/> if no matching schema found.</returns>
 		public XmlSchemaCompletion GetSchemaFromFileName(string fileName)
 		{
 			foreach (XmlSchemaCompletion schema in this) {
@@ -100,32 +98,43 @@ namespace ICSharpCode.XmlEditor
 			return null;
 		}
 		
-		public XmlSchemaCompletion FindSchema(XmlElementPath path, XmlSchemaCompletion defaultSchema)
+		public XmlSchemaCompletionCollection GetSchemas(string namespaceUri)
 		{
-			if (path.Elements.HasItems) {
+			XmlSchemaCompletionCollection schemas = new XmlSchemaCompletionCollection();
-				string namespaceUri = path.GetRootNamespace();
+			foreach (XmlSchemaCompletion schema in this) {
-				if (namespaceUri.Length > 0) {
+				if (schema.NamespaceUri == namespaceUri) {
-					return this[namespaceUri];
+					schemas.Add(schema);
-				} else if (defaultSchema != null) {
-					path.SetNamespaceForUnqualifiedNames(defaultSchema.NamespaceUri);
-					return defaultSchema;
 				}
 			}
-			return null;
+			return schemas;
 		}
 		
-		public XmlCompletionItemCollection GetChildElementCompletion(XmlElementPath path)
+		public XmlSchemaCompletionCollection GetSchemas(XmlElementPath path, XmlSchemaCompletion defaultSchema)
 		{
-			return GetChildElementCompletion(path, null);
+			string namespaceUri = path.GetRootNamespace();
+			if (String.IsNullOrEmpty(namespaceUri)) {
+				return GetSchemaCollectionUsingDefaultSchema(path, defaultSchema);
+			}
+			return GetSchemas(namespaceUri);
 		}
 		
-		public XmlCompletionItemCollection GetChildElementCompletion(XmlElementPath path, XmlSchemaCompletion defaultSchema)
+		XmlSchemaCompletionCollection GetSchemaCollectionUsingDefaultSchema(XmlElementPath path, XmlSchemaCompletion defaultSchema)
 		{
-			XmlSchemaCompletion schema = FindSchema(path, defaultSchema);
+			XmlSchemaCompletionCollection schemas = new XmlSchemaCompletionCollection();
-			if (schema != null) {
+			if (defaultSchema != null) {
-				return schema.GetChildElementCompletion(path);
+				path.SetNamespaceForUnqualifiedNames(defaultSchema.NamespaceUri);
+				schemas.Add(defaultSchema);
 			}
-			return new XmlCompletionItemCollection();
+			return schemas;
+		}
+		
+		public XmlCompletionItemCollection GetChildElementCompletion(XmlElementPath path)
+		{
+			XmlCompletionItemCollection items = new XmlCompletionItemCollection();
+			foreach (XmlSchemaCompletion schema in GetSchemas(path, null)) {
+				items.AddRange(schema.GetChildElementCompletion(path));
+			}
+			return items;
 		}
 		
 		public XmlCompletionItemCollection GetElementCompletionForAllNamespaces(XmlElementPath path, XmlSchemaCompletion defaultSchema)
@@ -161,8 +170,7 @@ namespace ICSharpCode.XmlEditor
 		{
 			XmlCompletionItemCollection items = new XmlCompletionItemCollection();
 			foreach (XmlNamespace ns in namespaces) {
-				XmlSchemaCompletion schema = this[ns.Name];
+				foreach (XmlSchemaCompletion schema in GetSchemas(ns.Name)) {
-				if (schema != null) {
 					items.AddRange(schema.GetRootElementCompletion(ns.Prefix));
 				}
 			}
@@ -171,11 +179,11 @@ namespace ICSharpCode.XmlEditor
 		
 		public XmlCompletionItemCollection GetAttributeCompletion(XmlElementPath path, XmlSchemaCompletion defaultSchema)
 		{
-			XmlSchemaCompletion schema = FindSchema(path, defaultSchema);
+			XmlCompletionItemCollection items = new XmlCompletionItemCollection();
-			if (schema != null) {
+			foreach (XmlSchemaCompletion schema in GetSchemas(path, defaultSchema)) {
-				return schema.GetAttributeCompletion(path);
+				items.AddRange(schema.GetAttributeCompletion(path));
 			}
-			return new XmlCompletionItemCollection();
+			return items;
 		}
 		
 		public XmlCompletionItemCollection GetElementCompletion(string textUpToCursor, XmlSchemaCompletion defaultSchema)
@@ -221,11 +229,11 @@ namespace ICSharpCode.XmlEditor
 		public XmlCompletionItemCollection GetAttributeValueCompletion(XmlElementPath path, string attributeName, XmlSchemaCompletion defaultSchema)
 		{
 			path.Compact();
-			XmlSchemaCompletion schema = FindSchema(path, defaultSchema);
+			XmlCompletionItemCollection items = new XmlCompletionItemCollection();
-			if (schema != null) {
+			foreach (XmlSchemaCompletion schema in GetSchemas(path, defaultSchema)) {
-				return schema.GetAttributeValueCompletion(path, attributeName);
+				items.AddRange(schema.GetAttributeValueCompletion(path, attributeName));
 			}
-			return new XmlCompletionItemCollection();
+			return items;
 		}
 	}
 }

src/AddIns/DisplayBindings/XmlEditor/Test/Editor/RegisteredSchemaWithSameNamespaceAddedTwiceTestFixture.cs

@@ -51,12 +51,9 @@ namespace XmlEditor.Tests.Editor
 		}
 		
 		[Test]
-		public void SchemaNamespaceAlreadyAddedRecordedAsError()
+		public void NoSchemaErrorsRecordedForDuplicateSchemaNamespace()
 		{
-			string message = @"Ignoring duplicate schema namespace 'http://test'. File 'c:\users\user\schemas\test2.xsd'.";
+			Assert.AreEqual(0, registeredXmlSchemas.GetSchemaErrors().Length);
-			RegisteredXmlSchemaError error = new RegisteredXmlSchemaError(message);
-			RegisteredXmlSchemaError[] expectedErrors = new RegisteredXmlSchemaError[] { error };
-			Assert.AreEqual(expectedErrors, registeredXmlSchemas.GetSchemaErrors());
 		}
 	}
 }

src/AddIns/DisplayBindings/XmlEditor/Test/Schema.Multiple/DuplicateSchemaNamespaceAddedToCollectionTestFixture.cs

@@ -0,0 +1,292 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+using ICSharpCode.XmlEditor;
+using NUnit.Framework;
+using XmlEditor.Tests.Utils;
+
+namespace XmlEditor.Tests.Schema.Multiple
+{
+	[TestFixture]
+	public class DuplicateSchemaNamespaceAddedToCollectionTestFixture
+	{
+		XmlSchemaCompletionCollection schemas;
+		XmlSchemaCompletion fooSchema;
+		XmlSchemaCompletion barSchema;
+		XmlSchemaCompletion duplicateFooSchema;
+		
+		[SetUp]
+		public void Init()
+		{
+			CreateBarSchema();
+			CreateFooSchema();
+			CreateDuplicateFooSchema();
+			
+			schemas = new XmlSchemaCompletionCollection();
+			schemas.Add(fooSchema);
+			schemas.Add(barSchema);
+			schemas.Add(duplicateFooSchema);
+		}
+		
+		void CreateFooSchema()
+		{
+			string xml =
+				"<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" targetNamespace=\"foo\" xmlns=\"foo\" elementFormDefault=\"qualified\">\r\n" +
+				"    <xs:element name=\"foo-note\">\r\n" +
+				"        <xs:complexType> \r\n" +
+				"            <xs:sequence>\r\n" +
+				"                <xs:element name=\"foo-text\" type=\"text-type\"/>\r\n" +
+				"            </xs:sequence>\r\n" +
+				"        </xs:complexType>\r\n" +
+				"    </xs:element>\r\n" +
+				"    <xs:complexType name=\"text-type\">\r\n" +
+				"        <xs:attribute name=\"foo-text-attribute\">\r\n" +
+				"            <xs:simpleType>\r\n" +
+				"                <xs:restriction base=\"xs:string\">\r\n" +
+				"                    <xs:enumeration value=\"first\"/>\r\n" +
+				"                    <xs:enumeration value=\"second\"/>\r\n" +
+				"                    <xs:enumeration value=\"third\"/>\r\n" +
+				"                    <xs:enumeration value=\"fourth\"/>\r\n" +
+				"                </xs:restriction>\r\n" +
+				"            </xs:simpleType>\r\n" +
+				"        </xs:attribute>\r\n" +
+				"    </xs:complexType>\r\n" +
+				"</xs:schema>";
+
+			fooSchema = new XmlSchemaCompletion(new StringReader(xml));
+			fooSchema.FileName = "foo.xsd";
+		}
+		
+		void CreateBarSchema()
+		{
+			string xml = "<xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema' targetNamespace='bar' />";
+			barSchema = new XmlSchemaCompletion(new StringReader(xml));
+			barSchema.FileName = "bar.xsd";
+		}
+		
+		void CreateDuplicateFooSchema()
+		{
+			string xml =
+				"<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" targetNamespace=\"foo\" xmlns=\"foo\" elementFormDefault=\"qualified\">\r\n" +
+				"    <xs:element name=\"duplicate-foo-note\">\r\n" +
+				"        <xs:complexType> \r\n" +
+				"            <xs:sequence>\r\n" +
+				"                <xs:element name=\"duplicate-foo-text\" type=\"duplicate-text-type\"/>\r\n" +
+				"            </xs:sequence>\r\n" +
+				"        </xs:complexType>\r\n" +
+				"    </xs:element>\r\n" +
+				"    <xs:complexType name=\"duplicate-text-type\">\r\n" +
+				"        <xs:attribute name=\"duplicate-foo-text-attribute\">\r\n" +
+				"            <xs:simpleType>\r\n" +
+				"                <xs:restriction base=\"xs:string\">\r\n" +
+				"                    <xs:enumeration value=\"first\"/>\r\n" +
+				"                    <xs:enumeration value=\"second\"/>\r\n" +
+				"                    <xs:enumeration value=\"third\"/>\r\n" +
+				"                    <xs:enumeration value=\"fourth\"/>\r\n" +
+				"                </xs:restriction>\r\n" +
+				"            </xs:simpleType>\r\n" +
+				"        </xs:attribute>\r\n" +
+				"    </xs:complexType>\r\n" +
+				"    <xs:element name=\"foo-note\">\r\n" +
+				"        <xs:complexType> \r\n" +
+				"            <xs:sequence>\r\n" +
+				"                <xs:element name=\"foo-text\" type=\"text-type\"/>\r\n" +
+				"            </xs:sequence>\r\n" +
+				"        </xs:complexType>\r\n" +
+				"    </xs:element>\r\n" +
+				"    <xs:complexType name=\"text-type\">\r\n" +
+				"        <xs:attribute name=\"foo-text-attribute\">\r\n" +
+				"            <xs:simpleType>\r\n" +
+				"                <xs:restriction base=\"xs:string\">\r\n" +
+				"                    <xs:enumeration value=\"first\"/>\r\n" +
+				"                    <xs:enumeration value=\"second\"/>\r\n" +
+				"                    <xs:enumeration value=\"third\"/>\r\n" +
+				"                    <xs:enumeration value=\"fourth\"/>\r\n" +
+				"                </xs:restriction>\r\n" +
+				"            </xs:simpleType>\r\n" +
+				"        </xs:attribute>\r\n" +
+				"    </xs:complexType>\r\n" +
+				"</xs:schema>";
+
+			duplicateFooSchema = new XmlSchemaCompletion(new StringReader(xml));
+			duplicateFooSchema.FileName = "duplicate-foo.xsd";
+		}
+		
+		[Test]
+		public void SchemasHaveTheSameNamespace()
+		{
+			Assert.AreEqual(fooSchema.NamespaceUri, duplicateFooSchema.NamespaceUri);
+		}
+		
+		[Test]
+		public void SchemaNamespaceIsNotEmptyString()
+		{
+			Assert.AreEqual("foo", fooSchema.NamespaceUri);
+		}
+		
+		[Test]
+		public void ThreeSchemasInCollection()
+		{
+			Assert.AreEqual(3, schemas.Count);
+		}
+		
+		[Test]
+		public void GetSchemasForFooNamespaceReturnsTwoSchemas()
+		{
+			Assert.AreEqual(2, schemas.GetSchemas("foo").Count);
+		}
+		
+		[Test]
+		public void GetSchemasForFooNamespaceReturnedSchemasContainDuplicateSchemas()
+		{
+			XmlSchemaCompletionCollection matchedSchemas = schemas.GetSchemas("foo");
+			string[] expectedFileNames = new string[] {"foo.xsd", "duplicate-foo.xsd"};
+
+			Assert.AreEqual(expectedFileNames, XmlSchemaCompletionCollectionFileNames.GetFileNames(matchedSchemas));
+		}
+		
+		[Test]
+		public void GetSchemasForElementPathReturnsEmptyCollectionWhenNoNamespaceUsedInPathAndNoDefaultSchema()
+		{
+			XmlElementPath path = new XmlElementPath();
+			path.AddElement(new QualifiedName("root", String.Empty));
+			
+			XmlSchemaCompletionCollection foundSchemas = schemas.GetSchemas(path, null);
+			Assert.AreEqual(0, foundSchemas.Count);
+		}
+		
+		[Test]
+		public void GetSchemasForElementPathReturnsDefaultSchemaWhenNoNamespaceUsedInPathButHasDefaultSchema()
+		{
+			XmlElementPath path = new XmlElementPath();
+			path.AddElement(new QualifiedName("root", String.Empty));
+			
+			XmlSchemaCompletion defaultSchema = new XmlSchemaCompletion();
+			defaultSchema.FileName = "default.xsd";
+			
+			XmlSchemaCompletionCollection foundSchemas = schemas.GetSchemas(path, defaultSchema);
+			
+			string[] expectedFileNames = new string[] {"default.xsd"};
+			Assert.AreEqual(expectedFileNames, XmlSchemaCompletionCollectionFileNames.GetFileNames(foundSchemas));
+		}
+		
+		[Test]
+		public void GetSchemasForElementPathUpdatesElementNamespacesUsingDefaultSchemaNamespace()
+		{
+			XmlElementPath path = new XmlElementPath();
+			path.AddElement(new QualifiedName("root", String.Empty));
+			path.AddElement(new QualifiedName("different-ns-element", "unknown-namespace"));
+			path.AddElement(new QualifiedName("child", String.Empty));
+			
+			string xml = "<xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema' targetNamespace='default-ns' />";
+			XmlSchemaCompletion defaultSchema = new XmlSchemaCompletion(new StringReader(xml));
+			defaultSchema.FileName = "default.xsd";
+			
+			schemas.GetSchemas(path, defaultSchema);
+			
+			XmlElementPath expectedPath = new XmlElementPath();
+			expectedPath.AddElement(new QualifiedName("root", "default-ns"));
+			expectedPath.AddElement(new QualifiedName("different-ns-element", "unknown-namespace"));
+			expectedPath.AddElement(new QualifiedName("child", "default-ns"));
+			
+			Assert.AreEqual(expectedPath, path);
+		}
+		
+		[Test]
+		public void GetSchemasForElementPathReturnsDuplicateFooSchemasWhenFooNamespaceUsedInPath()
+		{
+			XmlElementPath path = new XmlElementPath();
+			path.AddElement(new QualifiedName("root", "foo"));
+			
+			XmlSchemaCompletionCollection foundSchemas = schemas.GetSchemas(path, null);
+			string[] expectedFileNames = new string[] {"foo.xsd", "duplicate-foo.xsd"};
+			Assert.AreEqual(expectedFileNames, XmlSchemaCompletionCollectionFileNames.GetFileNames(foundSchemas));
+		}
+		
+		[Test]
+		public void NamespaceCompletionDoesNotContainDuplicateNamespaces()
+		{
+			XmlCompletionItemCollection items = schemas.GetNamespaceCompletion();
+			items.Sort();
+			
+			List<XmlCompletionItem> expectedItems = new List<XmlCompletionItem>();
+			expectedItems.Add(new XmlCompletionItem("bar", XmlCompletionItemType.NamespaceUri));
+			expectedItems.Add(new XmlCompletionItem("foo", XmlCompletionItemType.NamespaceUri));
+			
+			Assert.AreEqual(expectedItems.ToArray(), items.ToArray());
+		}
+		
+		[Test]
+		public void GetRootElementCompletionReturnsRootElementsFromBothFooSchemas()
+		{
+			XmlNamespaceCollection namespaces = new XmlNamespaceCollection();
+			namespaces.Add(new XmlNamespace(String.Empty, "foo"));
+			XmlCompletionItemCollection items = schemas.GetRootElementCompletion(namespaces);
+			items.Sort();
+			
+			List<XmlCompletionItem> expectedItems = new List<XmlCompletionItem>();
+			expectedItems.Add(new XmlCompletionItem("duplicate-foo-note", XmlCompletionItemType.XmlElement));
+			expectedItems.Add(new XmlCompletionItem("foo-note", XmlCompletionItemType.XmlElement));
+			
+			Assert.AreEqual(expectedItems.ToArray(), items.ToArray());
+		}
+		
+		[Test]
+		public void GetChildElementCompletionForDuplicateFooRootElement()
+		{
+			XmlElementPath path = new XmlElementPath();
+			path.AddElement(new QualifiedName("duplicate-foo-note", "foo"));
+			XmlCompletionItemCollection items = schemas.GetChildElementCompletion(path);
+			items.Sort();
+			
+			List<XmlCompletionItem> expectedItems = new List<XmlCompletionItem>();
+			expectedItems.Add(new XmlCompletionItem("duplicate-foo-text", XmlCompletionItemType.XmlElement));
+			
+			Assert.AreEqual(expectedItems.ToArray(), items.ToArray());
+		}
+		
+		[Test]
+		public void GetAttributeCompletionReturnsAttributesFromDuplicateFooSchema()
+		{
+			string xml = 
+				"<duplicate-foo-note xmlns='foo'>\r\n" +
+				"        <duplicate-foo-text ";
+			
+			XmlCompletionItemCollection items = schemas.GetAttributeCompletion(xml, null);
+			
+			XmlCompletionItemCollection expectedItems = new XmlCompletionItemCollection();
+			expectedItems.Add(new XmlCompletionItem("duplicate-foo-text-attribute", XmlCompletionItemType.XmlAttribute));
+			
+			Assert.AreEqual(expectedItems, items);
+		}
+		
+		[Test]
+		public void GetAttributeValueCompletionReturnsValuesForDuplicateFooSchema()
+		{
+			string xml = 
+				"<duplicate-foo-note xmlns='foo'>\r\n" +
+				"    <duplicate-foo-text duplicate-foo-text-attribute='f'";
+			
+			string xmlUpToCursor = xml.Substring(0, xml.Length - 1);
+			
+			XmlCompletionItemCollection items = schemas.GetAttributeValueCompletion('f', xmlUpToCursor, null);
+			items.Sort();
+			
+			XmlCompletionItemCollection expectedItems = new XmlCompletionItemCollection();
+			expectedItems.Add(new XmlCompletionItem("first", XmlCompletionItemType.XmlAttributeValue));
+			expectedItems.Add(new XmlCompletionItem("fourth", XmlCompletionItemType.XmlAttributeValue));
+			expectedItems.Add(new XmlCompletionItem("second", XmlCompletionItemType.XmlAttributeValue));
+			expectedItems.Add(new XmlCompletionItem("third", XmlCompletionItemType.XmlAttributeValue));
+			
+			Assert.AreEqual(expectedItems, items);
+		}
+	}
+}

src/AddIns/DisplayBindings/XmlEditor/Test/Utils/Tests/XmlSchemaCompletionCollectionFileNamesTests.cs

@@ -0,0 +1,58 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.XmlEditor;
+using NUnit.Framework;
+
+namespace XmlEditor.Tests.Utils.Tests
+{
+	[TestFixture]
+	public class XmlSchemaCompletionCollectionFileNamesTests
+	{
+		XmlSchemaCompletionCollection schemas;
+		
+		[SetUp]
+		public void Init()
+		{
+			schemas = new XmlSchemaCompletionCollection();
+		}
+		
+		[Test]
+		public void NoItemsInSchemaCollection()
+		{
+			Assert.AreEqual(0, XmlSchemaCompletionCollectionFileNames.GetFileNames(schemas).Length);
+		}
+		
+		[Test]
+		public void OneSchemaWithFileName()
+		{
+			XmlSchemaCompletion schema = new XmlSchemaCompletion();
+			schema.FileName = "a.xsd";
+			schemas.Add(schema);
+			
+			string[] expectedFileNames = new string[] {"a.xsd"};
+			Assert.AreEqual(expectedFileNames, XmlSchemaCompletionCollectionFileNames.GetFileNames(schemas));
+		}
+		
+		[Test]
+		public void TwoSchemasWithFileName()
+		{
+			XmlSchemaCompletion schema = new XmlSchemaCompletion();
+			schema.FileName = "a.xsd";
+			schemas.Add(schema);
+			
+			schema = new XmlSchemaCompletion();
+			schema.FileName = "b.xsd";
+			schemas.Add(schema);
+			
+			string[] expectedFileNames = new string[] {"a.xsd", "b.xsd"};
+			Assert.AreEqual(expectedFileNames, XmlSchemaCompletionCollectionFileNames.GetFileNames(schemas));
+		}
+
+	}
+}

src/AddIns/DisplayBindings/XmlEditor/Test/Utils/XmlSchemaCompletionCollectionFileNames.cs

@@ -0,0 +1,29 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Collections.Generic;
+using ICSharpCode.XmlEditor;
+
+namespace XmlEditor.Tests.Utils
+{
+	public class XmlSchemaCompletionCollectionFileNames
+	{
+		XmlSchemaCompletionCollectionFileNames()
+		{
+		}
+		
+		public static string[] GetFileNames(XmlSchemaCompletionCollection schemas)
+		{
+			List<string> fileNames = new List<string>();
+			foreach (XmlSchemaCompletion schema in schemas) {
+				fileNames.Add(schema.FileName);
+			}
+			return fileNames.ToArray();
+		}
+	}
+}

src/AddIns/DisplayBindings/XmlEditor/Test/XmlEditor.Tests.csproj

@@ -154,6 +154,7 @@
     <Compile Include="Paths\QualifiedNameToStringTests.cs" />
     <Compile Include="Paths\SingleElementPathByNamespaceTestFixture.cs" />
     <Compile Include="Paths\TwoElementPathsByNamespaceTestFixture.cs" />
+    <Compile Include="Schema.Multiple\DuplicateSchemaNamespaceAddedToCollectionTestFixture.cs" />
     <Compile Include="Schema.Multiple\TwoSchemaChildElementCompletionTestFixture.cs" />
     <Compile Include="Schema\SchemaHasNamespaceTests.cs" />
     <Compile Include="Schema\SingleElementSchemaTestFixture.cs" />
@@ -258,7 +259,9 @@
     <Compile Include="Utils\Tests\MockTextEditorTests.cs" />
     <Compile Include="Utils\Tests\MockXmlSchemaCompletionDataFactoryTests.cs" />
     <Compile Include="Utils\Tests\MockXmlSchemasPanelTests.cs" />
+    <Compile Include="Utils\Tests\XmlSchemaCompletionCollectionFileNamesTests.cs" />
     <Compile Include="Utils\TextSection.cs" />
+    <Compile Include="Utils\XmlSchemaCompletionCollectionFileNames.cs" />
     <Compile Include="XPathQuery\XmlNamespaceTests.cs" />
     <Compile Include="XPathQuery\GetNamespacesFromListViewTestFixture.cs" />
     <Compile Include="XPathQuery\RunXPathQueryTests.cs" />

src/AddIns/DisplayBindings/XmlEditor/XmlEditor.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 11.00
 # Visual Studio 2010
-# SharpDevelop 4.0.0.5201
+# SharpDevelop 4.0.0.5293
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XmlEditor", "Project\XmlEditor.csproj", "{DCA2703D-250A-463E-A68A-07ED105AE6BD}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "XmlEditor.Tests", "Test\XmlEditor.Tests.csproj", "{FC0FE702-A87D-4D70-A9B6-1ECCD611125F}"