using System.ComponentModel.Composition;
using Microsoft.Practices.Prism.ViewModel;
using NLog;
using System.Windows.Input;
using Microsoft.Practices.Prism.Commands;
using System.Collections.ObjectModel;
using System.Windows;
using Google.ProtocolBuffers;

namespace TreeCanvas
{
	[Export(typeof(TreeCanvasViewModel))]
	[PartCreationPolicy(CreationPolicy.NonShared)]
	class TreeCanvasViewModel : NotificationObject
	{
		private Logger logger = LogManager.GetCurrentClassLogger();

		private ObservableCollection<Node> nodes = new ObservableCollection<Node>();
		private ObservableCollection<Arrow> arrows = new ObservableCollection<Arrow>();
				
		public TreeCanvasViewModel()
		{
			logger.Debug("TreeCanvasViewModel");
		}

		public ObservableCollection<Node> Nodes
		{
			get
			{
				return nodes;
			}
		}

		public ObservableCollection<Arrow> Arrows
		{
			get
			{
				return arrows;
			}
		}

		public void NewNode(Point point)
		{
			Nodes.Add(new Node(point));
			Person.Builder personBuilder = Person.CreateBuilder();
			personBuilder.SetNum(1);
			Person person = personBuilder.Build();
			string s = TextFormat.PrintToString(person);
			logger.Debug(s);

			TextFormat.Merge("num: 2", personBuilder);
			Person person2 = personBuilder.Build();
		}
	}
}