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//
// 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.Core;
using MonoDevelop.Ide.CodeCompletion;
using System.Collections.Generic;
using System.Linq;
using MonoDevelop.Ide.TypeSystem;
using MonoDevelop.Ide.Editor.Extension;
namespace MonoDevelop.CSharp.Completion
{
class CastCompletionData : RoslynCompletionData
{
readonly CSharpCompletionTextEditorExtension ext;
readonly SemanticModel semanticModel;
readonly ISymbol member;
readonly SyntaxNode nodeToCast;
readonly ITypeSymbol targetType;
public CastCompletionData (ICSharpCode.NRefactory6.CSharp.Completion.ICompletionKeyHandler keyHandler, CSharpCompletionTextEditorExtension ext, SemanticModel semanticModel, ISymbol member, SyntaxNode nodeToCast, ITypeSymbol targetType) : base(keyHandler)
{
this.targetType = targetType;
this.nodeToCast = nodeToCast;
this.member = member;
this.semanticModel = semanticModel;
this.ext = ext;
this.DisplayText = member.Name;
}
public override string GetDisplayDescription (bool isSelected)
{
var description = "<small>(cast to " + targetType.ToMinimalDisplayString (semanticModel, nodeToCast.SpanStart, Ambience.LabelFormat) + ")</small>";
if (isSelected)
return description;
return "<span foreground=\"darkgray\">" + description + "</span>";
}
public override void InsertCompletionText (CompletionListWindow window, ref KeyActions ka, KeyDescriptor descriptor)
{
var editor = ext.Editor;
var offset = window.CodeCompletionContext.TriggerOffset;
using (var undo = editor.OpenUndoGroup ()) {
editor.ReplaceText (offset, editor.CaretOffset - offset, member.Name);
var span = nodeToCast.Span;
var type = targetType.ToMinimalDisplayString (semanticModel, nodeToCast.SpanStart, Ambience.LabelFormat);
editor.ReplaceText (span.Start, span.Length, "((" + type + ")" + nodeToCast + ")");
}
}
}
}
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