using System;
using System.Windows.Forms;
using System.Text;

namespace DesignPattern.BridgeStructural
{
    class BridgeStructural : AbstractPattern
    {
        public static void Run(TextBox tbInfo)
        {
            s_tbInfo = tbInfo;
            s_tbInfo.Text = "";

            Abstraction ab = new RefinedAbstraction(); 
            
            // Set implementation and call 
            ab.Implementor = new ConcreteImplementorA(); 
            ab.Operation(); 
            
            // Change implemention and call 
            ab.Implementor = new ConcreteImplementorB(); 
            ab.Operation(); 
            
            // Wait for user 
            ////Console.Read();
        }
    }
    
    class Abstraction 
    {
        protected Implementor implementor; 

        // Property 
        public Implementor Implementor 
        {
            set
            {
                implementor = value; 
            }
        }
        
        public virtual void Operation() 
        {
            implementor.Operation(); 
        }
    }
    
    // "Implementor" 
    abstract class Implementor 
    {
        public abstract void Operation(); 
    }
    
    // "RefinedAbstraction" 
    class RefinedAbstraction : Abstraction 
    {
        public override void Operation() 
        {
            implementor.Operation(); 
        }
    }
    
    // "ConcreteImplementorA" 
    class ConcreteImplementorA : Implementor 
    {
        public override void Operation() 
        {
            DesignPattern.FormMain.OutputInfo("ConcreteImplementorA Operation"); 
        }
    }

    // "ConcreteImplementorB" 
    class ConcreteImplementorB : Implementor 
    {
        public override void Operation() 
        {
            DesignPattern.FormMain.OutputInfo("ConcreteImplementorB Operation"); 
        }
    }
}