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

using UltraWinGrid = Infragistics.Win.UltraWinGrid;
using Infragistics.Win.UltraWinEditors;
using Infragistics.Win.UltraWinGrid;

namespace GridTabIssue
{
	public partial class Form1 : Form
	{
		private bool m_addNewRowOnNextCellByTab;

		public Form1()
		{
			InitializeComponent();

			this.Load += new EventHandler(Form1_Load);
		}

		void Form1_Load(object sender, EventArgs e)
		{
			myGrid.DisplayLayout.Override.HeaderClickAction = Infragistics.Win.UltraWinGrid.HeaderClickAction.SortMulti;
			myGrid.DisplayLayout.Override.CellClickAction = Infragistics.Win.UltraWinGrid.CellClickAction.EditAndSelectText;
			myGrid.DisplayLayout.Override.AllowAddNew = Infragistics.Win.UltraWinGrid.AllowAddNew.TabRepeat;
			myGrid.DisplayLayout.Override.AllowRowFiltering = Infragistics.Win.DefaultableBoolean.False;
			myGrid.DisplayLayout.Override.RowSelectors = Infragistics.Win.DefaultableBoolean.True;
			myGrid.DisplayLayout.Override.SelectTypeRow = UltraWinGrid.SelectType.None;
			myGrid.DisplayLayout.Override.SelectTypeCell = UltraWinGrid.SelectType.Single;
			myGrid.DisplayLayout.GroupByBox.Hidden = true;

			myGrid.InitializeLayout += new Infragistics.Win.UltraWinGrid.InitializeLayoutEventHandler(myGrid_InitializeLayout);
			myGrid.PreviewKeyDown += new PreviewKeyDownEventHandler(myGrid_PreviewKeyDown);
			myGrid.KeyDown += new KeyEventHandler(myGrid_KeyDown);
			myGrid.CellDataError += new CellDataErrorEventHandler(myGrid_CellDataError);
			myGrid.BeforeExitEditMode += new BeforeExitEditModeEventHandler(myGrid_BeforeExitEditMode);

			myGrid.ControlAdded += new ControlEventHandler(myGrid_ControlAdded);
			myGrid.ControlRemoved += new ControlEventHandler(myGrid_ControlRemoved);

			LoadData(5);
		}

		private void LoadData(Int32 nbOfRecords)
		{
			DataTable table = new DataTable();
			table.Columns.Add("INT", typeof(int));
			table.Columns.Add("BOOL", typeof(bool));
			table.Columns.Add("STRING", typeof(string));
			table.Columns.Add("DATE", typeof(DateTime));
			table.Columns.Add("DOUBLE", typeof(double));

			for (int i = 0; i < nbOfRecords; i++)
			{
				DataRow row = table.NewRow();

				row["INT"] = i;
				row["STRING"] = "123456789123456789" + i.ToString();
				row["DATE"] = DateTime.Now.AddHours(i * 17);
				row["DOUBLE"] = Convert.ToDouble(i) + 0.345d;

				if (i.ToString().EndsWith("0"))
				{
					row["BOOL"] = 0;
				}
				else if (i.ToString().EndsWith("1"))
				{
					row["BOOL"] = 0;
				}
				else
				{
					row["BOOL"] = 1;
				}

				table.Rows.Add(row);
			}

			myGrid.DataSource = table;
		}

		void myGrid_InitializeLayout(object sender, Infragistics.Win.UltraWinGrid.InitializeLayoutEventArgs e)
		{
			//visible
			foreach (UltraWinGrid.UltraGridColumn column in e.Layout.Bands[0].Columns)
			{
				column.Hidden = true;
				column.CellActivation = UltraWinGrid.Activation.AllowEdit;
				column.TabStop = true;
			}

			UltraWinGrid.UltraGridColumn oneColumn;

			oneColumn = e.Layout.Bands[0].Columns["INT"];
			oneColumn.Hidden = false;
			oneColumn.Header.VisiblePosition = 0;
			oneColumn.Header.Caption = "Integer";
			oneColumn.Format = "G";

			oneColumn = e.Layout.Bands[0].Columns["BOOL"];
			oneColumn.Hidden = false;
			oneColumn.Header.VisiblePosition = 1;
			oneColumn.Header.Caption = "Boolean";

			oneColumn = e.Layout.Bands[0].Columns["STRING"];
			oneColumn.Hidden = false;
			oneColumn.Header.VisiblePosition = 2;
			oneColumn.Header.Caption = "String";

			oneColumn = e.Layout.Bands[0].Columns["DATE"];
			oneColumn.Hidden = false;
			oneColumn.Header.VisiblePosition = 3;
			oneColumn.Header.Caption = "Date";

			oneColumn = e.Layout.Bands[0].Columns["DOUBLE"];
			oneColumn.Hidden = false;
			oneColumn.Header.VisiblePosition = 4;
			oneColumn.Header.Caption = "Double";
		}


		void myGrid_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
		{
			m_addNewRowOnNextCellByTab = false;

			if ((e.KeyValue == 9) && (myGrid.ActiveCell != null &&  myGrid.ActiveCell.Row.Index == (myGrid.Rows.Count - 1) && myGrid.ActiveCell.Column.Key.CompareTo("DOUBLE") == 0))
			{
				m_addNewRowOnNextCellByTab = true;
			}
		}

		void myGrid_KeyDown(object sender, KeyEventArgs e)
		{
			try
			{
				myGrid.BeginUpdate();
				if (e.KeyData == Keys.Enter)
				{
					if (myGrid.PerformAction(UltraWinGrid.UltraGridAction.ExitEditMode))
					{
						//only proceed if the cell has actually managed to exit edit mode
						//(i.e. there are no input errors)
						if (!myGrid.ActiveCell.IsInEditMode)
						{
							myGrid.PerformAction(UltraWinGrid.UltraGridAction.ToggleCellSel);
							myGrid.PerformAction(UltraWinGrid.UltraGridAction.BelowCell);
						}
					}
					e.Handled = true;
				}
				else if (e.KeyData == Keys.Tab)
				{
					//tab should exit edit mode and move to the next editable cell
					if (m_addNewRowOnNextCellByTab)
					{
						// exit edit mode first
						myGrid.PerformAction(UltraWinGrid.UltraGridAction.ExitEditMode);
						if (!myGrid.ActiveCell.IsInEditMode)
						{
							// add new row.
							UltraWinGrid.UltraGridRow newRow = myGrid.DisplayLayout.Bands[0].AddNew();
							if (newRow != null)
							{
								myGrid.ActiveCell = newRow.Cells[0];
								myGrid.Focus();
								myGrid.PerformAction(UltraWinGrid.UltraGridAction.EnterEditMode);
							}
						}
					}
					else
						myGrid.PerformAction(UltraWinGrid.UltraGridAction.NextCellByTab);

					m_addNewRowOnNextCellByTab = false;

					e.Handled = true;
				}
			}
			finally
			{
				myGrid.EndUpdate();
			}
			this.OnKeyDown(e);
		}

		void myGrid_CellDataError(object sender, CellDataErrorEventArgs e)
		{
			DialogResult dlgResult = MessageBox.Show("error", "error", MessageBoxButtons.RetryCancel);

			if (dlgResult == System.Windows.Forms.DialogResult.Cancel)
			{
				//cancel, get out
				e.StayInEditMode = false;
				e.RestoreOriginalValue = true;
			}
			else
				e.StayInEditMode = true;

			e.RaiseErrorEvent = false;
		}

		void myGrid_ControlAdded(object sender, ControlEventArgs e)
		{
			UltraGrid gridEditor = sender as UltraGrid;
			if (gridEditor != null)
			{
				TextBox textBox = gridEditor.Controls[0] as TextBox;

				if (textBox != null)
					textBox.PreviewKeyDown += new PreviewKeyDownEventHandler(myGrid_PreviewKeyDown);
			}
		}

		void myGrid_ControlRemoved(object sender, ControlEventArgs e)
		{
			UltraGrid gridEditor = sender as UltraGrid;
			if (gridEditor != null)
			{
				TextBox textBox = gridEditor.Controls[0] as TextBox;

				if (textBox != null)
					textBox.PreviewKeyDown -= new PreviewKeyDownEventHandler(myGrid_PreviewKeyDown);
			}

		}

		void myGrid_BeforeExitEditMode(object sender, BeforeExitEditModeEventArgs e)
		{
			if (myGrid.ActiveCell != null && !e.CancellingEditOperation)
			{
				int index = 0;
			}		
		
		}

	}
}