Neural Network OCR

namespace NeuroOCR
{
	using System;
	using System.ComponentModel;
	
	using SourceGrid2.Cells.Virtual;

	/// <summary>
	/// Summary description for GridIntArray.
	/// </summary>
	public class GridArray : SourceGrid2.GridVirtual
	{
		private CellVirtual	columnHeader;
		private CellVirtual	rowHeader;
		private CellVirtual	cellHeader;
		private CellVirtual	dataCell;
		private Array		array;
		private bool		readOnly = false;

		// Readonly property
		[DefaultValue(false)]
		public bool ReadOnly
		{
			get { return readOnly; }
			set
			{
				readOnly = value;
				RefreshCellsStyle();
			}
		}

		// Constructor
		public GridArray()
		{
		}

		// Load data
		public void LoadData(Array array)
		{
			//
			this.array = array;

			// set column and row headers
			FixedRows = 1;
			FixedColumns = 1;

			// Redim the grid
			Redim(array.GetLength(0) + FixedRows, array.GetLength(1) + FixedColumns);

			// Col Header Cell Template
			columnHeader = new CellColumnHeaderTemplate();
			columnHeader.BindToGrid(this);

			// Row Header Cell Template
			rowHeader = new CellRowHeaderTemplate();
			rowHeader.BindToGrid(this);

			// Header Cell Template (0,0 cell)
			cellHeader = new CellHeaderTemplate();
			cellHeader.BindToGrid(this);

			// Data Cell Template
			dataCell = new CellArrayTemplate(array);;
			dataCell.BindToGrid(this);

			RefreshCellsStyle();
		}

		// Return the Cell at the specified Row and Col position
		public override SourceGrid2.Cells.ICellVirtual GetCell(int row, int col)
		{
			try
			{
				if (array != null)
				{
					if ((row < FixedRows) && (col < FixedColumns))
						return cellHeader;
					else if (row < FixedRows)
						return columnHeader;
					else if (col < FixedColumns)
						return rowHeader;
					else
						return dataCell;
				}
				else
					return null;
			}
			catch(Exception)
			{
				return null;
			}		
		}

		// Set the specified cell int he specified position
		public override void SetCell(int row, int col, SourceGrid2.Cells.ICellVirtual cell)
		{
			throw new ApplicationException("Cannot set cell for this kind of grid");
		}

		// Refresh cells style
		private void RefreshCellsStyle()
		{
			if (dataCell != null)
			{
				dataCell.DataModel.EnableEdit = !readOnly;
			}
		}


		// Column header template
		private class CellColumnHeaderTemplate : SourceGrid2.Cells.Virtual.ColumnHeader
		{
			// Get the value of the cell at the specified position 
			public override object GetValue(SourceGrid2.Position position)
			{
				return position.Column - Grid.FixedColumns;
			}
			// Set the value of the cell at the specified position
			public override void SetValue(SourceGrid2.Position position, object val)
			{
				throw new ApplicationException("Cannot change this kind of cell");
			}
			// Get sort status
			public override SourceGrid2.SortStatus GetSortStatus(SourceGrid2.Position position)
			{
				return new SourceGrid2.SortStatus (SourceGrid2.GridSortMode.None, false);
			}
			// Set sort status
			public override void SetSortMode(SourceGrid2.Position position, SourceGrid2.GridSortMode mode)
			{
			}		
		}

		// Row header template
		private class CellRowHeaderTemplate : SourceGrid2.Cells.Virtual.RowHeader
		{	
			// Get the value of the cell at the specified position
			public override object GetValue(SourceGrid2.Position position)
			{
				return position.Row - Grid.FixedRows;
			}
			// Set the value of the cell at the specified position
			public override void SetValue(SourceGrid2.Position position, object val)
			{
				throw new ApplicationException("Cannot change this kind of cell");
			}		
		}

		// Cell header template
		private class CellHeaderTemplate : SourceGrid2.Cells.Virtual.Header
		{
			// Get the value of the cell at the specified position
			public override object GetValue(SourceGrid2.Position position)
			{
				return null;
			}
			// Set the value of the cell at the specified position
			public override void SetValue(SourceGrid2.Position position, object val)
			{
				throw new ApplicationException("Cannot change this kind of cell");
			}		
		}

		// Cell temlate
		public class CellArrayTemplate : SourceGrid2.Cells.Virtual.CellVirtual
		{
			private Array array;

			// Constructor
			public CellArrayTemplate(Array array)
			{
				this.array = array;
				DataModel = SourceGrid2.Utility.CreateDataModel(array.GetType().GetElementType());
			}
			// Get the value of the cell at the specified position
			public override object GetValue(SourceGrid2.Position position)
			{
				return array.GetValue(position.Row - Grid.FixedRows, position.Column - Grid.FixedColumns);
			}
			// Set the value of the cell at the specified position
			public override void SetValue(SourceGrid2.Position position, object val)
			{
				array.SetValue(val, position.Row - Grid.FixedRows, position.Column-Grid.FixedColumns);
				OnValueChanged(new SourceGrid2.PositionEventArgs(position, this));
			}
		}
	}
}