// 
//  CompilationUnitDataProvider.cs
//  
//  Author:
//       Levi Bard <taktaktaktaktaktaktaktaktaktak@gmail.com>
// 
//  Copyright (c) 2010 Levi Bard
// 
// This source code is licenced under The MIT License:
//
// 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 System.Linq;

using MonoDevelop.Ide;
using MonoDevelop.Ide.Gui;
using MonoDevelop.Ide.Gui.Content;
using MonoDevelop.Ide.CodeCompletion;
using MonoDevelop.Components;
using MonoDevelop.Projects.Dom;

using Gtk;

namespace CBinding.Parser
{
	// Yoinked from C# binding
	public class CompilationUnitDataProvider : DropDownBoxListWindow.IListDataProvider
	{
		Document Document { get; set; }
		
		public CompilationUnitDataProvider (Document document)
		{
			this.Document = document;
		}
		
		#region IListDataProvider implementation
		public void Reset () { }
		
		public string GetText (int n)
		{
			return Document.ParsedDocument.UserRegions.ElementAt (n).Name;
		}
		
		internal static Gdk.Pixbuf Pixbuf
		{
			get { return ImageService.GetPixbuf (Gtk.Stock.Add, IconSize.Menu); }
		}
		
		public Gdk.Pixbuf GetIcon (int n)
		{
			return Pixbuf;
		}
		
		public object GetTag (int n)
		{
			return Document.ParsedDocument.UserRegions.ElementAt (n);
		}
		
		
		public void ActivateItem (int n)
		{
			var reg = Document.ParsedDocument.UserRegions.ElementAt (n);
			MonoDevelop.Ide.Gui.Content.IExtensibleTextEditor extEditor = Document.GetContent<MonoDevelop.Ide.Gui.Content.IExtensibleTextEditor> ();
			if (extEditor != null)
				extEditor.SetCaretTo (Math.Max (1, reg.Region.Start.Line), reg.Region.Start.Column);
		}
		
		public int IconCount
		{
			get {
				if (Document.ParsedDocument == null)
					return 0;
				return Document.ParsedDocument.UserRegions.Count ();
			}
		}
		
		#endregion
	}
}

