Mod_Manager

using System;
using System.Collections.Generic;

namespace ElementsCore
{
    public class ModuleManager<T>
    {
        private Dictionary<T, BaseModule<T>> modules;
        private BaseModule<T> current_mod;

        public ModuleManager()
        {
            modules = new Dictionary<T, BaseModule<T>>();
            current_mod = null;
        }

        public void AddModule(T key, BaseModule<T> mod)
        {
            modules.Add(key, mod);
        }

        public void SetActiveModule(T key)
        {
            if (current_mod != null) current_mod.Close();

            if (!modules.Keys.Contains(key)) return;

            current_mod = modules[key];

            if (current_mod != null)
            {
                current_mod.SetManager(this);
                current_mod.Init();
            }
        }

        public bool KeyDown(KeyCommand command)
        {
            if (current_mod == null) return false;
            return current_mod.KeyDown(command);
        }

        public void Close()
        {
            if (current_mod != null) current_mod.Close();
            modules.Clear();
        }
    }
}