source: branches/2434_crossvalidation/HeuristicLab.ExtLibs/HeuristicLab.AvalonEdit/5.0.1/AvalonEdit-5.0.1/CodeCompletion/OverloadInsightWindow.cs

// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// 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
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// 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
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// DEALINGS IN THE SOFTWARE.

using System;
using System.Windows;
using System.Windows.Input;

using ICSharpCode.AvalonEdit.Editing;

namespace ICSharpCode.AvalonEdit.CodeCompletion
{
  /// <summary>
  /// Insight window that shows an OverloadViewer.
  /// </summary>
  public class OverloadInsightWindow : InsightWindow
  {
    OverloadViewer overloadViewer = new OverloadViewer();
    
    /// <summary>
    /// Creates a new OverloadInsightWindow.
    /// </summary>
    public OverloadInsightWindow(TextArea textArea) : base(textArea)
    {
      overloadViewer.Margin = new Thickness(2,0,0,0);
      this.Content = overloadViewer;
    }
    
    /// <summary>
    /// Gets/Sets the item provider.
    /// </summary>
    public IOverloadProvider Provider {
      get { return overloadViewer.Provider; }
      set { overloadViewer.Provider = value; }
    }
    
    /// <inheritdoc/>
    protected override void OnKeyDown(KeyEventArgs e)
    {
      base.OnKeyDown(e);
      if (!e.Handled && this.Provider.Count > 1) {
        switch (e.Key) {
          case Key.Up:
            e.Handled = true;
            overloadViewer.ChangeIndex(-1);
            break;
          case Key.Down:
            e.Handled = true;
            overloadViewer.ChangeIndex(+1);
            break;
        }
        if (e.Handled) {
          UpdateLayout();
          UpdatePosition();
        }
      }
    }
  }
}