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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Windows.Media;
using ICSharpCode.AvalonEdit.Document;
using ICSharpCode.AvalonEdit.Editing;
namespace ICSharpCode.AvalonEdit.CodeCompletion
{
/// <summary>
/// Describes an entry in the <see cref="CompletionList"/>.
/// </summary>
public interface ICompletionData
{
/// <summary>
/// Gets the image.
/// </summary>
ImageSource Image { get; }
/// <summary>
/// Gets the text. This property is used to filter the list of visible elements.
/// </summary>
string Text { get; }
/// <summary>
/// The displayed content. This can be the same as 'Text', or a WPF UIElement if
/// you want to display rich content.
/// </summary>
object Content { get; }
/// <summary>
/// Gets the description.
/// </summary>
object Description { get; }
/// <summary>
/// Gets the priority. This property is used in the selection logic. You can use it to prefer selecting those items
/// which the user is accessing most frequently.
/// </summary>
double Priority { get; }
/// <summary>
/// Perform the completion.
/// </summary>
/// <param name="textArea">The text area on which completion is performed.</param>
/// <param name="completionSegment">The text segment that was used by the completion window if
/// the user types (segment between CompletionWindow.StartOffset and CompletionWindow.EndOffset).</param>
/// <param name="insertionRequestEventArgs">The EventArgs used for the insertion request.
/// These can be TextCompositionEventArgs, KeyEventArgs, MouseEventArgs, depending on how
/// the insertion was triggered.</param>
void Complete(TextArea textArea, ISegment completionSegment, EventArgs insertionRequestEventArgs);
}
}
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