1 files changed, 150 insertions, 0 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/ObjectCreationCompletionData.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/ObjectCreationCompletionData.cs
new file mode 100644
index 0000000000..47a52cadc8
--- /dev/null
+++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/ObjectCreationCompletionData.cs
@@ -0,0 +1,150 @@
+// 
+// CSharpCompletionTextEditorExtension.cs
+//  
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+// 
+// Copyright (c) 2011 Xamarin <http://xamarin.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 Microsoft.CodeAnalysis;
+using MonoDevelop.Ide.CodeCompletion;
+using System.Text;
+using MonoDevelop.Ide.TypeSystem;
+using MonoDevelop.Ide.Editor.Extension;
+using System.Linq;
+using Gtk;
+using MonoDevelop.Ide;
+using System.Collections.Generic;
+
+namespace MonoDevelop.CSharp.Completion
+{
+	class ObjectCreationCompletionData : RoslynSymbolCompletionData
+	{
+		public static readonly SymbolDisplayFormat HideParameters =
+			new SymbolDisplayFormat(
+				globalNamespaceStyle: SymbolDisplayGlobalNamespaceStyle.Omitted,
+				typeQualificationStyle: SymbolDisplayTypeQualificationStyle.NameAndContainingTypesAndNamespaces,
+				propertyStyle: SymbolDisplayPropertyStyle.NameOnly,
+				genericsOptions: SymbolDisplayGenericsOptions.IncludeTypeParameters,
+				memberOptions: SymbolDisplayMemberOptions.None,
+				parameterOptions:
+				SymbolDisplayParameterOptions.None,
+				miscellaneousOptions:
+				SymbolDisplayMiscellaneousOptions.EscapeKeywordIdentifiers |
+				SymbolDisplayMiscellaneousOptions.UseSpecialTypes
+			);
+
+		readonly ITypeSymbol type;
+		readonly ISymbol symbol;
+		ISymbol insertSymbol;
+		readonly int declarationBegin;
+		readonly bool afterKeyword;
+		readonly SemanticModel semanticModel;
+
+		string displayText;
+
+
+		public override string DisplayText {
+			get {
+				if (displayText == null) {
+					displayText = CropGlobal(symbol.ToMinimalDisplayString (semanticModel, declarationBegin, Ambience.LabelFormat)) + "()";
+					if (!afterKeyword)
+						displayText = "new " + displayText;
+				}
+				return displayText;
+			}
+		}
+
+		public override string GetDisplayTextMarkup ()
+		{
+			var model = ext.ParsedDocument.GetAst<SemanticModel> ();
+
+			var result = "<b>" + Ambience.EscapeText (CropGlobal(symbol.ToMinimalDisplayString (model, declarationBegin, HideParameters))) + "</b>()";
+			if (!afterKeyword)
+				result = "new " + result;
+			return ApplyDiplayFlagsFormatting (result);
+		}
+
+		static string CropGlobal (string str)
+		{
+			// shouldn't happen according to the display format - but happens. bug ?
+			if (str.StartsWith ("global::"))
+				return str.Substring ("global::".Length);
+			return str;
+		}
+
+		public override bool HasOverloads {
+			get {
+				return true;
+			}
+		}
+
+		List<CompletionData> overloads;
+		public override IReadOnlyList<CompletionData> OverloadedData {
+			get {
+				if (overloads == null) {
+					overloads = new List<CompletionData> ();
+					foreach (var constructor in type.GetMembers ().OfType<IMethodSymbol> ().Where (m => m.MethodKind == MethodKind.Constructor)) {
+						overloads.Add (new ObjectCreationCompletionData (keyHandler, ext, semanticModel, type, constructor, declarationBegin, afterKeyword) { insertSymbol = this.insertSymbol }); 
+					}
+				}
+				return overloads;
+			}
+		}
+
+		public ObjectCreationCompletionData (ICSharpCode.NRefactory6.CSharp.Completion.ICompletionKeyHandler keyHandler, CSharpCompletionTextEditorExtension ext, SemanticModel semanticModel, ITypeSymbol type, ISymbol symbol, int declarationBegin, bool afterKeyword) : base(keyHandler, ext, symbol)
+		{
+			this.type = type;
+			this.semanticModel = semanticModel;
+			this.afterKeyword = afterKeyword;
+			this.declarationBegin = declarationBegin;
+			this.symbol = insertSymbol = symbol;
+		}
+
+		protected override string GetInsertionText ()
+		{
+			var sb = new StringBuilder ();
+			if (!afterKeyword)
+				sb.Append ("new ");
+			sb.Append (CropGlobal (insertSymbol.ToMinimalDisplayString (semanticModel, declarationBegin, HideParameters)));
+			return sb.ToString () ;
+		}
+
+		public override int CompareTo (object obj)
+		{
+			var objCrCompData = obj as ObjectCreationCompletionData;
+			if (objCrCompData == null)
+				return -1;
+
+			return DisplayText.CompareTo(objCrCompData.DisplayText);
+		}
+
+		internal static bool HasAnyConstructorWithParameters (ITypeSymbol symbol)
+		{
+			return symbol.GetMembers()
+				.OfType<IMethodSymbol>()
+				.Where(m => m.MethodKind == MethodKind.Constructor)
+				.Any (m => m.Parameters.Length > 0);
+		}
+	}
+
+}