Week 3 Assignment

using System;
using System.Collections.Generic;
namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            var frame = new Frame("FRAME1");
            frame.AddChildComponent(new Label("User Name:"));
            frame.AddChildComponent(new TextBox("TextBox"));
            frame.AddChildComponent(new Label("Password:"));
            frame.AddChildComponent(new PasswordBox("TextBox"));
            frame.AddChildComponent(new CheckBox("Check"));
            frame.AddChildComponent(new TextBox("Remember User Name"));
            frame.AddChildComponent(new LinkLabel("Forgot Password"));
            var rootComponent = new WinForm("WINDOW");
            rootComponent.AddChildComponent(new Picture("LOGO"));
            rootComponent.AddChildComponent(new Button("Login"));
            rootComponent.AddChildComponent(new Button("Register"));
            rootComponent.AddChildComponent(frame);
            
            rootComponent.RenderComponent();
        }
    }
    abstract class PrintableComponent
    {
        protected readonly string title; 
        private IList<PrintableComponent> childComponents = new List<PrintableComponent>();
        protected PrintableComponent(string title)
        {
            this.title = title;
        }
        public void RenderComponent()
        {
            this.Print();
            foreach (var childComponent in this.childComponents)
            {
                childComponent.RenderComponent();
            }
        }
        public void AddChildComponent(PrintableComponent childComponent)
        {
            this.childComponents.Add(childComponent);
        }
        protected abstract void Print();
    }
    class WinForm : PrintableComponent
    {
        public WinForm(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print WinForm({base.title})");
        }
    }
    class Picture : PrintableComponent
    {
        public Picture(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print Picture({base.title})");
        }
    }
    class Button: PrintableComponent
    {
        public Button(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print Button({base.title})");
        }
    }
    class Frame: PrintableComponent
    {
        public Frame(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print Frame({base.title})");
        }
    }
    class Label: PrintableComponent
    {
        public Label(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print Label({base.title})");
        }
    }
    class TextBox: PrintableComponent
    {
        public TextBox(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print TextBox({base.title})");
        }
    }
    class PasswordBox: PrintableComponent
    {
        public PasswordBox(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print PasswordBox({base.title})");
        }
    }
    class CheckBox : PrintableComponent
    {
        public CheckBox(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print CheckBox({base.title})");
        }
    }
    class LinkLabel: PrintableComponent
    {
        public LinkLabel(string title) : base(title) {}
        protected override void Print()
        {
            Console.WriteLine($"print LinkLabel({base.title})");
        }
    }
}