1 files changed, 133 insertions, 0 deletions
diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CreatePartialCompletionData.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CreatePartialCompletionData.cs
new file mode 100644
index 0000000000..c2527a03c9
--- /dev/null
+++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CreatePartialCompletionData.cs
@@ -0,0 +1,133 @@
+//
+// CreatePartialCompletionData.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2014 Xamarin Inc. (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.Linq;
+using MonoDevelop.Ide.CodeCompletion;
+using Microsoft.CodeAnalysis;
+using MonoDevelop.CSharp.Formatting;
+using MonoDevelop.CSharp.Refactoring;
+using MonoDevelop.Ide.TypeSystem;
+using MonoDevelop.Ide.Editor.Extension;
+
+namespace MonoDevelop.CSharp.Completion
+{
+	class CreatePartialCompletionData : RoslynSymbolCompletionData
+	{
+		readonly ITypeSymbol currentType;
+		readonly int declarationBegin;
+
+		bool afterKeyword;
+
+		public bool GenerateBody { get; set; }
+
+		string displayText;
+		public override string DisplayText {
+			get {
+				if (displayText == null) {
+					var model = ext.ParsedDocument.GetAst<SemanticModel> ();
+					displayText = base.Symbol.ToMinimalDisplayString (model, ext.Editor.CaretOffset, Ambience.LabelFormat) + " {...}";
+					if (!afterKeyword)
+						displayText = "partial " + displayText;
+				}
+				return displayText;
+			}
+		}
+
+
+		public override string GetDisplayTextMarkup ()
+		{
+			var model = ext.ParsedDocument.GetAst<SemanticModel> ();
+
+			var result = base.Symbol.ToMinimalDisplayString (model, ext.Editor.CaretOffset, Ambience.LabelFormat) + " {...}";
+			var idx = result.IndexOf (Symbol.Name);
+			if (idx >= 0) {
+				result = 
+					result.Substring(0, idx) +
+					"<b>" + Symbol.Name + "</b>"+
+					result.Substring(idx + Symbol.Name.Length);
+			}
+
+			if (!afterKeyword)
+				result = "partial " + result;
+
+			return ApplyDiplayFlagsFormatting (result);
+		}
+
+		public CreatePartialCompletionData (ICSharpCode.NRefactory6.CSharp.Completion.ICompletionKeyHandler keyHandler, CSharpCompletionTextEditorExtension ext, int declarationBegin, ITypeSymbol currentType, ISymbol member, bool afterKeyword) : base (keyHandler, ext, member)
+		{
+			this.afterKeyword = afterKeyword;
+			this.currentType = currentType;
+			this.declarationBegin = declarationBegin;
+			this.GenerateBody = true;
+		}
+
+		public override void InsertCompletionText (CompletionListWindow window, ref KeyActions ka, KeyDescriptor descriptor)
+		{
+			var editor = ext.Editor;
+			bool isExplicit = false;
+			//			if (member.DeclaringTypeDefinition.Kind == TypeKind.Interface) {
+			//				foreach (var m in type.Members) {
+			//					if (m.Name == member.Name && !m.ReturnType.Equals (member.ReturnType)) {
+			//						isExplicit = true;
+			//						break;
+			//					}
+			//				}
+			//			}
+			//			var resolvedType = type.Resolve (ext.Project).GetDefinition ();
+			//			if (ext.Project != null)
+			//				generator.PolicyParent = ext.Project.Policies;
+
+			var result = CSharpCodeGenerator.CreatePartialMemberImplementation (ext.DocumentContext, ext.Editor, currentType, currentType.Locations.First (), Symbol, isExplicit);
+			string sb = result.Code.TrimStart ();
+			int trimStart = result.Code.Length - sb.Length;
+			sb = sb.TrimEnd ();
+
+			var lastRegion = result.BodyRegions.LastOrDefault ();
+			var region = lastRegion == null? null
+				: new CodeGeneratorBodyRegion (lastRegion.StartOffset - trimStart, lastRegion.EndOffset - trimStart);
+
+			int targetCaretPosition;
+			int selectionEndPosition = -1;
+			if (region != null && region.IsValid) {
+				targetCaretPosition = declarationBegin + region.EndOffset;
+
+			} else {
+				targetCaretPosition = declarationBegin + sb.Length;
+			}
+
+			editor.ReplaceText (declarationBegin, editor.CaretOffset - declarationBegin, sb);
+			if (selectionEndPosition > 0) {
+				editor.CaretOffset = selectionEndPosition;
+				editor.SetSelection (targetCaretPosition, selectionEndPosition);
+			} else {
+				editor.CaretOffset = targetCaretPosition;
+			}
+
+			OnTheFlyFormatter.Format (editor, ext.DocumentContext, declarationBegin, declarationBegin + sb.Length);
+			editor.CaretLine--;
+		}
+	}
+}