588 lines
13 KiB
C#
588 lines
13 KiB
C#
using System;
|
|
using System.ComponentModel;
|
|
using System.Data.SqlTypes;
|
|
using System.Drawing;
|
|
using System.Windows.Forms;
|
|
using DevComponents.DotNetBar.Controls;
|
|
using DevComponents.DotNetBar.SuperGrid.Style;
|
|
|
|
namespace DevComponents.DotNetBar.SuperGrid
|
|
{
|
|
///<summary>
|
|
/// GridTextBoxEditControl
|
|
///</summary>
|
|
[ToolboxItem(false)]
|
|
public class GridTextBoxXEditControl : TextBoxX, IGridCellEditControl
|
|
{
|
|
///<summary>
|
|
/// GridTextBoxXEditControl
|
|
///</summary>
|
|
public GridTextBoxXEditControl()
|
|
{
|
|
Multiline = true;
|
|
}
|
|
|
|
#region Private variables
|
|
|
|
private GridCell _Cell;
|
|
private EditorPanel _EditorPanel;
|
|
private Bitmap _EditorCellBitmap;
|
|
|
|
private bool _ValueChanged;
|
|
private bool _SuspendUpdate;
|
|
|
|
private StretchBehavior _StretchBehavior = StretchBehavior.None;
|
|
|
|
#endregion
|
|
|
|
#region OnTextChanged
|
|
|
|
/// <summary>
|
|
/// OnTextChanged
|
|
/// </summary>
|
|
/// <param name="e"></param>
|
|
protected override void OnTextChanged(EventArgs e)
|
|
{
|
|
if (_SuspendUpdate == false)
|
|
_Cell.EditorValueChanged(this);
|
|
|
|
base.OnTextChanged(e);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnPaintBackground
|
|
|
|
/// <summary>
|
|
/// OnPaintBackground
|
|
/// </summary>
|
|
/// <param name="e"></param>
|
|
protected override void OnPaintBackground(PaintEventArgs e)
|
|
{
|
|
_Cell.PaintEditorBackground(e, this);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region GetValue
|
|
|
|
///<summary>
|
|
/// GetValue
|
|
///</summary>
|
|
///<param name="value"></param>
|
|
///<returns></returns>
|
|
public virtual string GetValue(object value)
|
|
{
|
|
GridPanel panel = _Cell.GridPanel;
|
|
|
|
if (value == null ||
|
|
(panel.NullValue == NullValue.DBNull && value == DBNull.Value))
|
|
{
|
|
return ("");
|
|
}
|
|
|
|
if (value is SqlString)
|
|
{
|
|
SqlString sdt = (SqlString) value;
|
|
|
|
if (sdt.IsNull == true)
|
|
return ("");
|
|
|
|
return (sdt.Value);
|
|
}
|
|
|
|
return (Convert.ToString(value));
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region IGridCellEditControl Members
|
|
|
|
#region Public properties
|
|
|
|
#region CanInterrupt
|
|
|
|
/// <summary>
|
|
/// CanInterrupt
|
|
/// </summary>
|
|
public bool CanInterrupt
|
|
{
|
|
get { return (true); }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region CellEditMode
|
|
|
|
/// <summary>
|
|
/// CellEditMode
|
|
/// </summary>
|
|
public CellEditMode CellEditMode
|
|
{
|
|
get { return (CellEditMode.Modal); }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorCell
|
|
|
|
/// <summary>
|
|
/// EditorCell
|
|
/// </summary>
|
|
public GridCell EditorCell
|
|
{
|
|
get { return (_Cell); }
|
|
set { _Cell = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorCellBitmap
|
|
|
|
///<summary>
|
|
/// EditorCellBitmap
|
|
///</summary>
|
|
public Bitmap EditorCellBitmap
|
|
{
|
|
get { return (_EditorCellBitmap); }
|
|
|
|
set
|
|
{
|
|
if (_EditorCellBitmap != null)
|
|
_EditorCellBitmap.Dispose();
|
|
|
|
_EditorCellBitmap = value;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorFormattedValue
|
|
|
|
///<summary>
|
|
/// EditorFormattedValue
|
|
///</summary>
|
|
public virtual string EditorFormattedValue
|
|
{
|
|
get
|
|
{
|
|
if (_Cell != null && _Cell.IsValueNull == true)
|
|
return (_Cell.NullString);
|
|
|
|
return ((PasswordChar == '\0')
|
|
? Text : new string(PasswordChar, TextLength));
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorPanel
|
|
|
|
/// <summary>
|
|
/// EditorPanel
|
|
/// </summary>
|
|
public EditorPanel EditorPanel
|
|
{
|
|
get { return (_EditorPanel); }
|
|
set { _EditorPanel = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorValue
|
|
|
|
/// <summary>
|
|
/// EditorValue
|
|
/// </summary>
|
|
public virtual object EditorValue
|
|
{
|
|
get { return (Text); }
|
|
set { Text = GetValue(value); }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorValueChanged
|
|
|
|
/// <summary>
|
|
/// EditorValueChanged
|
|
/// </summary>
|
|
public virtual bool EditorValueChanged
|
|
{
|
|
get { return (_ValueChanged); }
|
|
|
|
set
|
|
{
|
|
if (_ValueChanged != value)
|
|
{
|
|
_ValueChanged = value;
|
|
|
|
if (value == true)
|
|
_Cell.SetEditorDirty(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EditorValueType
|
|
|
|
///<summary>
|
|
/// EditorValueType
|
|
///</summary>
|
|
public virtual Type EditorValueType
|
|
{
|
|
get { return (typeof(string)); }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region StretchBehavior
|
|
|
|
/// <summary>
|
|
/// StretchBehavior
|
|
/// </summary>
|
|
public virtual StretchBehavior StretchBehavior
|
|
{
|
|
get
|
|
{
|
|
return ((Multiline == true)
|
|
? StretchBehavior.VerticalOnly : StretchBehavior.None );
|
|
}
|
|
|
|
set { _StretchBehavior = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region SuspendUpdate
|
|
|
|
/// <summary>
|
|
/// SuspendUpdate
|
|
/// </summary>
|
|
public bool SuspendUpdate
|
|
{
|
|
get { return (_SuspendUpdate); }
|
|
set { _SuspendUpdate = value; }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ValueChangeBehavior
|
|
|
|
/// <summary>
|
|
/// ValueChangeBehavior
|
|
/// </summary>
|
|
public virtual ValueChangeBehavior ValueChangeBehavior
|
|
{
|
|
get { return (ValueChangeBehavior.InvalidateLayout); }
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region InitializeContext
|
|
|
|
///<summary>
|
|
/// InitializeContext
|
|
///</summary>
|
|
///<param name="cell"></param>
|
|
///<param name="style"></param>
|
|
public virtual void InitializeContext(GridCell cell, CellVisualStyle style)
|
|
{
|
|
_Cell = cell;
|
|
|
|
if (style != null)
|
|
{
|
|
Enabled = (_Cell.ReadOnly == false);
|
|
WordWrap = (style.AllowWrap == Tbool.True);
|
|
ForeColor = style.TextColor;
|
|
Font = style.Font;
|
|
Multiline = WordWrap;
|
|
}
|
|
|
|
Text = GetValue(_Cell.Value);
|
|
|
|
_ValueChanged = false;
|
|
}
|
|
|
|
#region SetTextAlign
|
|
|
|
private void SetTextAlign(CellVisualStyle style)
|
|
{
|
|
switch (style.Alignment)
|
|
{
|
|
case Alignment.TopLeft:
|
|
case Alignment.MiddleLeft:
|
|
case Alignment.BottomLeft:
|
|
TextAlign = HorizontalAlignment.Left;
|
|
break;
|
|
|
|
case Alignment.TopCenter:
|
|
case Alignment.MiddleCenter:
|
|
case Alignment.BottomCenter:
|
|
TextAlign = HorizontalAlignment.Center;
|
|
break;
|
|
|
|
case Alignment.TopRight:
|
|
case Alignment.MiddleRight:
|
|
case Alignment.BottomRight:
|
|
TextAlign = HorizontalAlignment.Right;
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region GetProposedSize
|
|
|
|
///<summary>
|
|
/// GetProposedSize
|
|
///</summary>
|
|
///<param name="g"></param>
|
|
///<param name="cell"></param>
|
|
///<param name="style"></param>
|
|
///<param name="constraintSize"></param>
|
|
///<returns></returns>
|
|
public virtual Size GetProposedSize(Graphics g,
|
|
GridCell cell, CellVisualStyle style, Size constraintSize)
|
|
{
|
|
eTextFormat tf = style.GetTextFormatFlags();
|
|
|
|
string s = String.IsNullOrEmpty(Text) ? " " : Text;
|
|
|
|
SetTextAlign(style);
|
|
|
|
Size size = (constraintSize.IsEmpty == true)
|
|
? TextHelper.MeasureText(g, s, style.Font, new Size(10000, 0), tf)
|
|
: TextHelper.MeasureText(g, s, style.Font, constraintSize, tf);
|
|
|
|
return (size);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Edit support
|
|
|
|
#region BeginEdit
|
|
|
|
/// <summary>
|
|
/// BeginEdit
|
|
/// </summary>
|
|
/// <param name="selectAll"></param>
|
|
/// <returns></returns>
|
|
public virtual bool BeginEdit(bool selectAll)
|
|
{
|
|
if (selectAll == true)
|
|
SelectAll();
|
|
else
|
|
Select(Text.Length, 1);
|
|
|
|
Show();
|
|
Focus();
|
|
|
|
return (false);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region EndEdit
|
|
|
|
/// <summary>
|
|
/// EndEdit
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public virtual bool EndEdit()
|
|
{
|
|
return (false);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region CancelEdit
|
|
|
|
/// <summary>
|
|
/// CancelEdit
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public virtual bool CancelEdit()
|
|
{
|
|
return (false);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region CellRender
|
|
|
|
/// <summary>
|
|
/// CellRender
|
|
/// </summary>
|
|
/// <param name="g"></param>
|
|
public virtual void CellRender(Graphics g)
|
|
{
|
|
_Cell.CellRender(this, g);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Keyboard support
|
|
|
|
#region CellKeyDown
|
|
|
|
///<summary>
|
|
/// CellKeyDown
|
|
///</summary>
|
|
public virtual void CellKeyDown(KeyEventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region WantsInputKey
|
|
|
|
/// <summary>
|
|
/// WantsInputKey
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <param name="gridWantsKey"></param>
|
|
/// <returns></returns>
|
|
public virtual bool WantsInputKey(Keys key, bool gridWantsKey)
|
|
{
|
|
// Let the TextBox handle the following keys
|
|
|
|
if (Multiline == true)
|
|
{
|
|
switch (key & Keys.KeyCode)
|
|
{
|
|
case Keys.Up:
|
|
if (GetLineFromCharIndex(SelectionStart) != 0)
|
|
return (true);
|
|
break;
|
|
|
|
case Keys.Down:
|
|
int lastLine = GetLineFromCharIndex(int.MaxValue);
|
|
|
|
if (GetLineFromCharIndex(SelectionStart) < lastLine)
|
|
return (true);
|
|
break;
|
|
|
|
case Keys.Enter:
|
|
if (AcceptsReturn == true)
|
|
return (true);
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (key & Keys.KeyCode)
|
|
{
|
|
case Keys.Left:
|
|
case Keys.Right:
|
|
case Keys.Home:
|
|
case Keys.End:
|
|
return (true);
|
|
|
|
case Keys.Tab:
|
|
if (AcceptsTab == true)
|
|
return (true);
|
|
break;
|
|
}
|
|
|
|
return (gridWantsKey == false);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region Mouse support
|
|
|
|
#region OnCellMouseMove
|
|
|
|
///<summary>
|
|
/// OnCellMouseMove
|
|
///</summary>
|
|
///<param name="e"></param>
|
|
public virtual void OnCellMouseMove(MouseEventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnCellMouseEnter
|
|
|
|
///<summary>
|
|
/// OnCellMouseEnter
|
|
///</summary>
|
|
///<param name="e"></param>
|
|
public virtual void OnCellMouseEnter(EventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnCellMouseLeave
|
|
|
|
///<summary>
|
|
/// OnCellMouseLeave
|
|
///</summary>
|
|
///<param name="e"></param>
|
|
public virtual void OnCellMouseLeave(EventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnCellMouseUp
|
|
|
|
///<summary>
|
|
/// OnCellMouseUp
|
|
///</summary>
|
|
///<param name="e"></param>
|
|
public virtual void OnCellMouseUp(MouseEventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region OnCellMouseDown
|
|
|
|
///<summary>
|
|
/// OnCellMouseDown
|
|
///</summary>
|
|
///<param name="e"></param>
|
|
public virtual void OnCellMouseDown(MouseEventArgs e)
|
|
{
|
|
}
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#endregion
|
|
|
|
#region Dispose
|
|
|
|
/// <summary>
|
|
/// Dispose
|
|
/// </summary>
|
|
/// <param name="disposing"></param>
|
|
protected override void Dispose(bool disposing)
|
|
{
|
|
try
|
|
{
|
|
base.Dispose(disposing);
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|