using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BuzzGUI.Interfaces;
using BuzzGUI.Common;
using BuzzGUI.Common.Presets;

namespace BuzzGUI.ParameterWindow.Actions
{
	class ApplyEditFunctionAction : IAction
	{
		ParameterWindowVM vm;
		Preset newpreset;
		Preset oldpreset;

		public bool IsUpdateable { get; private set; }

		public ApplyEditFunctionAction(ParameterWindowVM vm, bool updateable)
		{
			this.vm = vm;
			IsUpdateable = updateable;
		}

		public void Do()
		{
			oldpreset = new Preset(vm.Machine, false, true);

			if (newpreset == null)
			{
				Update();
			}
			else
			{
				newpreset.Apply(vm.Machine, true);
			}
	

		}

		public void Update()
		{
			foreach (ParameterVM pvm in vm.Parameters)
				pvm.ApplyEditFunction();

			newpreset = new Preset(vm.Machine, false, true);
		}

		public void Undo()
		{
			oldpreset.Apply(vm.Machine, true);
		}

	}
}