using Gtk;
using System;

public class Averaging:TerrPlugin{
	mutable host:TerrHost; public Host:TerrHost { set { host=value; } }
	mutable nr:int;
	//settings
	mutable sIter=2;
	mutable sMiddle=false;
	//--------------------------------------------------------------------------------------------------------------
	public Register(n:int):void{
		nr=n;
		def mItem=MenuItem("averaging"); host.MFilter.Append(mItem);
			mItem.Activated+=EventHandler(optionsWin);
	}
	//--------------------------------------------------------------------------------------------------------------
	public Run():void{
		host.Start(nr);

		def progStep=1/sIter:>double;

		for (mutable i=0; i<sIter; i++){
			for (mutable x=0; x<host.HMap.SizeX; x++) for (mutable y=0; y<host.HMap.SizeY; y++)
				host.HMap[x,y]=host.HMap.Average(x,y,sMiddle);
			host.ProgBar.FractionAddResp(progStep);
		}

		host.Update();
	}
	//--------------------------------------------------------------------------------------------------------------
	private optionsWin(_o:object,_e:EventArgs):void{
		def win=Window("averaging");
			win.BorderWidth=5;
		def tips=Tooltips();
		def whole=VBox(false,10); win.Add(whole);

		def sett=VBox(false,10); whole.PackStart(sett);
			def iterHBox=HBox(false,10); sett.PackStart(iterHBox);
				def iterLab=Label("iterations:"); iterHBox.PackStart(iterLab);
				def iterSpin=SpinButton(0.0,500.0,1.0); iterHBox.PackStart(iterSpin);
					tips.SetTip(iterSpin,"nr of iterations","");
					iterSpin.Value=sIter;
					iterSpin.ValueChanged+=fun(_) { sIter=iterSpin.ValueAsInt; }
			def middleHBox=HBox(false,10); sett.PackStart(middleHBox);
				def middleLab=Label("middle:"); middleHBox.PackStart(middleLab);
				def middleChck=CheckButton("off"); middleHBox.PackStart(middleChck);
					middleChck.Toggled+=fun(_){
						if (middleChck.Label=="off") { sMiddle=true; middleChck.Label="on";
						} else { sMiddle=false; middleChck.Label="off"; }
					}

		def buttBox=HBox(false,10); whole.PackStart(buttBox);
			def aboutButt=Button("about"); buttBox.PackStart(aboutButt);
				aboutButt.Clicked+=EventHandler(aboutButtHandler);
			def cancelButt=Button("cancel"); buttBox.PackStart(cancelButt);
				 cancelButt.Clicked+=fun(_) { win.Destroy(); }
			def okButt=Button("ok"); buttBox.PackStart(okButt);
				okButt.Clicked+=fun(_) { Run(); win.Destroy(); }

		win.ShowAll();
	}
	//--------------------------------------------------------------------------------------------------------------
	private aboutButtHandler(_o:object,_e:EventArgs):void{
		def dial=MessageDialog(null,DialogFlags.Modal,MessageType.Info,ButtonsType.Ok,"averaging plugin 0.2:0.3 by caminoix, 10.07.2006\n\nfor more information on the algorithm please see\nhttp://terraineer.sourceforge.net/plugins/averaging.php");
		_=dial.Run();
		dial.Destroy();
	}
}