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ReversiEight - A Windows 8 Reversi Game

, 22 May 2013 CPOL
Describes the development of a Windows 8 Reversi game, covering the topics of UI design, the minimax algorithm and an interesting use for Linq.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

namespace ReversiEight.Common
{

  public class GridUtils
  {
    #region RowDefinitions attached property

    /// <summary>
    /// Identified the RowDefinitions attached property
    /// </summary>
    public static readonly DependencyProperty RowDefinitionsProperty =
        DependencyProperty.RegisterAttached("RowDefinitions", typeof(string), typeof(GridUtils),
            new PropertyMetadata("", new PropertyChangedCallback(OnRowDefinitionsPropertyChanged)));

    /// <summary>
    /// Gets the value of the RowDefinitions property
    /// </summary>
    public static string GetRowDefinitions(DependencyObject d)
    {
      return (string)d.GetValue(RowDefinitionsProperty);
    }

    /// <summary>
    /// Sets the value of the RowDefinitions property
    /// </summary>
    public static void SetRowDefinitions(DependencyObject d, string value)
    {
      d.SetValue(RowDefinitionsProperty, value);
    }

    /// <summary>
    /// Handles property changed event for the RowDefinitions property, constructing
    /// the required RowDefinitions elements on the grid which this property is attached to.
    /// </summary>
    private static void OnRowDefinitionsPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
    {
      Grid targetGrid = d as Grid;

      // construct the required row definitions
      targetGrid.RowDefinitions.Clear();
      string rowDefs = e.NewValue as string;
      var rowDefArray = rowDefs.Split(',');
      foreach (string rowDefinition in rowDefArray)
      {
        if (rowDefinition.Trim() == "")
        {
          targetGrid.RowDefinitions.Add(new RowDefinition());
        }
        else
        {
          targetGrid.RowDefinitions.Add(new RowDefinition()
          {
            Height = ParseLength(rowDefinition)
          });
        }
      }
    }

    #endregion


    #region ColumnDefinitions attached property

    /// <summary>
    /// Identifies the ColumnDefinitions attached property
    /// </summary>
    public static readonly DependencyProperty ColumnDefinitionsProperty =
        DependencyProperty.RegisterAttached("ColumnDefinitions", typeof(string), typeof(GridUtils),
            new PropertyMetadata("", new PropertyChangedCallback(OnColumnDefinitionsPropertyChanged)));

    /// <summary>
    /// Gets the value of the ColumnDefinitions property
    /// </summary>
    public static string GetColumnDefinitions(DependencyObject d)
    {
      return (string)d.GetValue(ColumnDefinitionsProperty);
    }

    /// <summary>
    /// Sets the value of the ColumnDefinitions property
    /// </summary>
    public static void SetColumnDefinitions(DependencyObject d, string value)
    {
      d.SetValue(ColumnDefinitionsProperty, value);
    }

    /// <summary>
    /// Handles property changed event for the ColumnDefinitions property, constructing
    /// the required ColumnDefinitions elements on the grid which this property is attached to.
    /// </summary>
    private static void OnColumnDefinitionsPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
    {
      Grid targetGrid = d as Grid;

      // construct the required column definitions
      targetGrid.ColumnDefinitions.Clear();
      string columnDefs = e.NewValue as string;
      var columnDefArray = columnDefs.Split(',');
      foreach (string columnDefinition in columnDefArray)
      {
        if (columnDefinition.Trim() == "")
        {
          targetGrid.ColumnDefinitions.Add(new ColumnDefinition());
        }
        else
        {
          targetGrid.ColumnDefinitions.Add(new ColumnDefinition()
          {
            Width = ParseLength(columnDefinition)
          });
        }
      }
    }

    #endregion

    /// <summary>
    /// Parses a string to create a GridLength
    /// </summary>
    private static GridLength ParseLength(string length)
    {
      length = length.Trim();

      if (length.ToLowerInvariant().Equals("auto"))
      {
        return new GridLength(0, GridUnitType.Auto);
      }
      else if (length.Contains("*"))
      {
        length = length.Replace("*", "");
        if (string.IsNullOrEmpty(length)) length = "1";
        return new GridLength(double.Parse(length), GridUnitType.Star);
      }

      return new GridLength(double.Parse(length), GridUnitType.Pixel);
    }
  }
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Colin Eberhardt
Architect Scott Logic
United Kingdom United Kingdom
I am CTO at ShinobiControls, a team of iOS developers who are carefully crafting iOS charts, grids and controls for making your applications awesome.

I am a Technical Architect for Visiblox which have developed the world's fastest WPF / Silverlight and WP7 charts.

I am also a Technical Evangelist at Scott Logic, a provider of bespoke financial software and consultancy for the retail and investment banking, stockbroking, asset management and hedge fund communities.

Visit my blog - Colin Eberhardt's Adventures in .NET.

Follow me on Twitter - @ColinEberhardt

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