using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace DataBindingFundamentalsSample {
  public partial class TheLandBeforeDataBindingForm : Form {

    RaceCarDriver raceCarDriver = new RaceCarDriver("M. Schumacher", 500);

    public TheLandBeforeDataBindingForm() {
      InitializeComponent();

      // Copy initial RaceCarDriver state to text box controls
      this.nameTextBox.Text = this.raceCarDriver.Name;
      this.winsTextBox.Text = this.raceCarDriver.Wins.ToString();

      // Detect changes to text box controls
      this.nameTextBox.TextChanged += this.nameTextBox_TextChanged;
      this.winsTextBox.TextChanged += this.winsTextBox_TextChanged;

      // NOTE: Uncomment the following (and the related bits in RaceCarDriver
      // to make the PropertyNameChanged property change notification 
      // event model work.
      
      // Detect changes to RaceCarDriver object
      this.raceCarDriver.PropertyChanged += raceCarDriver_PropertyChanged;
    }

    void raceCarDriver_PropertyChanged(object sender, PropertyChangedEventArgs e) {
      switch( e.PropertyName ) {
        case "Name":
          this.nameTextBox.Text = this.raceCarDriver.Name;
          break;
        case "Wins":
          this.winsTextBox.Text = this.raceCarDriver.Wins.ToString();
          break;
      }
    }

    private void nameTextBox_TextChanged(object sender, EventArgs e) {
      this.raceCarDriver.Name = this.nameTextBox.Text;
    }

    private void winsTextBox_TextChanged(object sender, EventArgs e) {
      this.raceCarDriver.Wins = int.Parse(this.winsTextBox.Text);
    }

    private void addWinButton_Click(object sender, EventArgs e) {
      // Causes the RaceCarDriver object's PropertyChanged event to fire,
      // which is used to keep the Wins text box up to date
      ++this.raceCarDriver.Wins;
      //// Don’t forget to update the Wins text box!
      //this.winsTextBox.Text = raceCarDriver.Wins.ToString();
    }
  }
}