//

 // Define a public API for both SharpDisplay client and server to use.

 //

 using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 using System.ServiceModel;

 using System.Collections;

 using System.Drawing;

 using System.Runtime.Serialization;

 using System.Windows.Forms;

 namespace SharpDisplay

 {

     /// <summary>

     /// For client to specify a specific layout.

     /// A table layout is sent from client to server and defines data fields layout on our display.

     /// </summary>

     [DataContract]

     public class TableLayout

     {

         public TableLayout()

         {

             Columns = new List<ColumnStyle>();

             Rows = new List<RowStyle>();

         }

         /// <summary>

         /// Construct our table layout.

         /// </summary>

         /// <param name="aColumnCount">Number of column in our table.</param>

         /// <param name="aRowCount">Number of rows in our table.</param>

         public TableLayout(int aColumnCount, int aRowCount)

         {

             Columns = new List<ColumnStyle>();

             Rows = new List<RowStyle>();

             for (int i = 0; i < aColumnCount; i++)

             {

                 Columns.Add(new ColumnStyle(SizeType.Percent, 100 / aColumnCount));

             }

             for (int i = 0; i < aRowCount; i++)

             {

                 Rows.Add(new RowStyle(SizeType.Percent, 100 / aRowCount));

             }

         }

         /// <summary>

         /// Compare two TableLayout object.

         /// </summary>

         /// <returns>Tells whether both layout are identical.</returns>

         public bool IsSameAs(TableLayout aTableLayout)

         {

             //Check rows and columns counts

             if (Columns.Count != aTableLayout.Columns.Count || Rows.Count != aTableLayout.Rows.Count)

             {

                 return false;

             }

             //Compare each columns

             for (int i=0;i<Columns.Count;i++)

             {

                 if (Columns[i].SizeType != aTableLayout.Columns[i].SizeType)

                 {

                     return false;

                 }

                 if (Columns[i].Width != aTableLayout.Columns[i].Width)

                 {

                     return false;

                 }

             }

             //Compare each columns

             for (int i = 0; i < Rows.Count; i++)

             {

                 if (Rows[i].SizeType != aTableLayout.Rows[i].SizeType)

                 {

                     return false;

                 }

                 if (Rows[i].Height != aTableLayout.Rows[i].Height)

                 {

                     return false;

                 }

             }

             //Both rows and columns have the same content.

             return true;

         }

         [DataMember]

         public List<ColumnStyle> Columns { get; set; }

         [DataMember]

         public List<RowStyle> Rows { get; set; }

     }

     /// <summary>

     /// Define a data field on our display.

     /// Data field can be either text or bitmap.

     /// </summary>

     [DataContract]

     public class DataField

     {

         public DataField()

         {

             Index = 0;

             ColumnSpan = 1;

             RowSpan = 1;

             //Text

             Text = "";

             Alignment = ContentAlignment.MiddleLeft;

             //Bitmap

             Bitmap = null;

         }

         //Text constructor

         public DataField(int aIndex, string aText = "", ContentAlignment aAlignment = ContentAlignment.MiddleLeft)

         {

             ColumnSpan = 1;

             RowSpan = 1;

             Index = aIndex;

             Text = aText;

             Alignment = aAlignment;

             //

             Bitmap = null;

         }

         //Bitmap constructor

         public DataField(int aIndex, Bitmap aBitmap)

         {

             ColumnSpan = 1;

             RowSpan = 1;

             Index = aIndex;

             Bitmap = aBitmap;

             //Text

             Text = "";

             Alignment = ContentAlignment.MiddleLeft;

         }

         //Generic layout properties

         [DataMember]

         public int Index { get; set; }

         [DataMember]

         public int Column { get; set; }

         [DataMember]

         public int Row { get; set; }

         [DataMember]

         public int ColumnSpan { get; set; }

         [DataMember]

         public int RowSpan { get; set; }

         //Text properties

         [DataMember]

         public string Text { get; set; }

         [DataMember]

         public ContentAlignment Alignment { get; set; }

         //Bitmap properties

         [DataMember]

         public Bitmap Bitmap { get; set; }

         //

         public bool IsBitmap { get{ return Bitmap!=null;} }

         //

         public bool IsText { get { return Bitmap == null; } }

         //

         public bool IsSameLayout(DataField aField)

         {

             return (aField.ColumnSpan == ColumnSpan && aField.RowSpan == RowSpan);

         }

     }

     /// <summary>

     /// Define our SharpDisplay service.

     /// Clients and servers must implement it to communicate with one another.

     /// Through this service clients can send requests to a server.

     /// Through this service a server session can receive requests from a client.

     /// </summary>

     [ServiceContract(   CallbackContract = typeof(ICallback), SessionMode = SessionMode.Required)]

     public interface IService

     {

         /// <summary>

         /// Set the name of this client.

         /// Name is a convenient way to recognize your client.

         /// Naming you client is not mandatory.

         /// In the absence of a name the session ID is often used instead.

         /// </summary>

         /// <param name="aClientName"></param>

         [OperationContract(IsOneWay = true)]

         void SetName(string aClientName);

         /// <summary>

         /// </summary>

         /// <param name="aLayout"></param>

         [OperationContract(IsOneWay = true)]

         void SetLayout(TableLayout aLayout);

         /// <summary>

         /// Set the given field on your display.

         /// Fields are often just lines of text or bitmaps.

         /// </summary>

         /// <param name="aTextFieldIndex"></param>

         [OperationContract(IsOneWay = true)]

         void SetField(DataField aField);

         /// <summary>

         /// Allows a client to set multiple fields at once.

         /// </summary>

         /// <param name="aFields"></param>

         [OperationContract(IsOneWay = true)]

         void SetFields(System.Collections.Generic.IList<DataField> aFields);

         /// <summary>

         /// Provides the number of clients currently connected

         /// </summary>

         /// <returns></returns>

         [OperationContract()]

         int ClientCount();

     }

     /// <summary>

     /// SharDisplay callback provides a means for a server to notify its clients.

     /// </summary>

     public interface ICallback

     {

         [OperationContract(IsOneWay = true)]

         void OnConnected();

         /// <summary>

         /// Tell our client to close its connection.

         /// Notably sent when the server is shutting down.

         /// </summary>

         [OperationContract(IsOneWay = true)]

         void OnCloseOrder();

     }

 }