using System;
using System.Collections.Generic;
using Gtk;

namespace DMX2
{
	[System.ComponentModel.ToolboxItem(true)]
	public partial class SeqLinUI : SequenceurUI
	{

		bool fullUpdFlag = true;
		SequenceurLineaire sequenceur;

		public SeqLinUI (SequenceurLineaire s ) : base (s)
		{
			this.Build ();
			titreLabel.Text = s.Name;
			sequenceur = s;
			Update(true);
		}

		public override void Update (bool full)
		{
			if(fullUpdFlag || full) FullUpdate();
			UpdateValues();
			timeLabel.LabelProp = sequenceur.TimeStamp.ToString();
		}

		protected void OnCircuitsActionActivated (object sender, EventArgs e)
		{
			var dlg = new SelSeqCircuits (sequenceur.Circuits);
			if ((ResponseType)dlg.Run () == ResponseType.Ok) {
				sequenceur.ChangeCircuits(dlg.GetResultList());
			}
			dlg.Destroy();
			fullUpdFlag = true;
		}

		protected void OnCloseActionActivated (object sender, EventArgs e)
		{
			Destroy();
		}


		Dictionary<Circuit,VScale> tirettes = new Dictionary<Circuit, VScale>();

		static VScale NouvelleTirette ()
		{
			VScale tirette = new VScale (null);
			tirette.WidthRequest = 25;
			tirette.HeightRequest = 150;
			tirette.CanFocus = true;
			tirette.Inverted = true;
			tirette.Adjustment.Upper = 255;
			tirette.Adjustment.PageIncrement = 10;
			tirette.Adjustment.StepIncrement = 1;
			tirette.DrawValue = true;
			tirette.Digits = 0;
			return tirette;
		}

		static Label NouveauLabel ()
		{
			Label l = new Label();
			l.WidthRequest = 50;
			l.HeightRequest = 66;
			l.Xalign = 1F;
			l.Yalign = 0F;
			l.UseMarkup = true;
			l.Angle = 65;
			return l;
		}


		int lastKnownWidth =0;
		object circuitKey = new object();

		protected void FullUpdate ()
		{
			fullUpdFlag=true;
			// TODO : ici : Remise a plat de l'UI , Ajout/agencement des tirettes et descriptions


			lastKnownWidth = zoneWid.Allocation.Width;

			foreach (Widget wid in new List<Widget>(zoneWid.Children))
				zoneWid.Remove (wid);

			tirettes.Clear();

			int xpos=10, ypos=0;
			VScale tirette; Fixed.FixedChild fx;
			Label label;

			foreach (Circuit c in sequenceur.Circuits) {
				tirettes[c] = tirette = NouvelleTirette();
				zoneWid.Add(tirette);
				fx = ( zoneWid[tirette] as Fixed.FixedChild);
				fx.X = xpos; fx.Y = ypos;
				tirette.Show();
				tirette.ValueChanged += TiretteActionee;
				tirette.Data.Add(circuitKey,c);

				label = NouveauLabel();
				zoneWid.Add(label);
				fx = ( zoneWid[label] as Fixed.FixedChild);
				fx.X = xpos-30;
				fx.Y = ypos+150;
				label.LabelProp = "<small>" + c.ShortName + "</small>";
				label.Show();

				xpos+=30;
				if(lastKnownWidth < xpos +30)
				{
					xpos = 10; 
					ypos += 215;
				}
			}

			fullUpdFlag=false;
		}

		void TiretteActionee (object sender, EventArgs e)
		{
			VScale t = sender as VScale;
			Circuit c = t.Data[circuitKey] as Circuit;
			sequenceur.ChangeValeur(c,(int)(t.Value));
		}

		protected void UpdateValues()
		{
			foreach (Circuit c in tirettes.Keys) {
				tirettes[c].Value = sequenceur.ValeurCircuit(c);
			}
		}	

		protected void OnZoneWidSizeAllocated (object o, SizeAllocatedArgs args)
		{
			if (!fullUpdFlag) {
				if(lastKnownWidth != args.Allocation.Width)
					FullUpdate ();
			}
		}


	}
}