抽象工廠學(xué)習(xí)筆記

namespace UnityTestApp
{
    class Program
    {

        public static void Main()
        {
            UIClient myClient = new UIClient(OS.Win);
            myClient.PaintUI();
            Console.ReadKey();
        }
    }

    /// <summary>
    /// 客戶(hù)端
    /// </summary>
    public class UIClient
    {
        private IButton button;
        private IBorder border;
        private UIAbstractFactory myFactory = null;
        public UIClient(OS osName)
        {
//使用反射機(jī)制
            string concreteFactroyName = this.GetType().Namespace.ToString() + "." + osName.ToString() + "UIFactory";
            this.myFactory = Activator.CreateInstance(Type.GetType(concreteFactroyName)) as UIAbstractFactory;
//具體工廠引用只出現(xiàn)一次，使得產(chǎn)品易于交換，有利于產(chǎn)品一致性
            this.button = this.myFactory.CreateButton();
            this.border = this.myFactory.CreateBorder();
        }

        public void PaintUI()
        {
            this.button.PaintControl();
            this.border.PaintControl();
        }

    }
    /// <summary>
    /// UI抽象工廠
    /// </summary>
    public abstract class UIAbstractFactory
    {
        public abstract IButton CreateButton();
        public abstract IBorder CreateBorder();
    }
    /// <summary>
    /// WinUI具體工廠
    /// </summary>
    public class WinUIFactory : UIAbstractFactory
    {
        public override IButton CreateButton()
        {
            return new WinButtion();
        }

        public override IBorder CreateBorder()
        {
            return new WinBorder();
        }
    }
    /// <summary>
    /// MacUI抽象工廠
    /// </summary>
    public class MacUIFactory : UIAbstractFactory
    {
        public override IButton CreateButton()
        {
            return new MacButton();
        }

        public override IBorder CreateBorder()
        {
            return new MacBorder();
        }
    }

    /// <summary>
    /// 抽象產(chǎn)品Button
    /// </summary>
    public interface IButton
    {
        void PaintControl();
    }

    /// <summary>
    /// 具體產(chǎn)品
    /// </summary>
    public class WinButtion : IButton
    {

        public void PaintControl()
        {
            Console.WriteLine("Win button.");
        }
    }

    /// <summary>
    /// 具體產(chǎn)品
    /// </summary>
    public class MacButton : IButton
    {
        public void PaintControl()
        {
            Console.WriteLine("Mac button.");
        }
    }

    /// <summary>
    /// 抽象產(chǎn)品
    /// </summary>
    public interface IBorder
    {
        void PaintControl();
    }

    /// <summary>
    /// 具體產(chǎn)品
    /// </summary>
    public class WinBorder : IBorder
    {

        public void PaintControl()
        {
            Console.WriteLine("Win border.");
        }
    }

    /// <summary>
    /// 具體產(chǎn)品
    /// </summary>
    public class MacBorder : IBorder
    {
        public void PaintControl()
        {
            Console.WriteLine("Mac border.");
        }
    }

    /// <summary>
    /// 枚舉產(chǎn)品種類(lèi)
    /// </summary>
    public enum OS
    {
        Win,
        Mac,
        Motif
    }
}