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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
//
// Author:
// Jordi Mas i Hernandez <jordi@ximian.com>
//
//
// NOT COMPLETE
using System.ComponentModel;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Diagnostics;
namespace System.Windows.Forms
{
public class DataGridTextBoxColumn : DataGridColumnStyle
{
#region Local Variables
private string format;
private IFormatProvider format_provider = null;
private StringFormat string_format = new StringFormat ();
private DataGridTextBox textbox = null;
private static readonly int offset_x = 2;
private static readonly int offset_y = 2;
#endregion // Local Variables
#region Constructors
public DataGridTextBoxColumn ()
{
format = string.Empty;
}
public DataGridTextBoxColumn (PropertyDescriptor prop) : base (prop)
{
format = string.Empty;
}
public DataGridTextBoxColumn (PropertyDescriptor prop, bool isDefault) : base (prop)
{
format = string.Empty;
is_default = isDefault;
}
public DataGridTextBoxColumn (PropertyDescriptor prop, string format) : base (prop)
{
this.format = format;
}
public DataGridTextBoxColumn (PropertyDescriptor prop, string format, bool isDefault) : base (prop)
{
this.format = format;
is_default = isDefault;
}
#endregion
#region Public Instance Properties
[Editor("System.Windows.Forms.Design.DataGridColumnStyleFormatEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))]
public string Format {
get {
return format;
}
set {
if (value != format) {
format = value;
}
}
}
[Browsable(false)]
[EditorBrowsable(EditorBrowsableState.Advanced)]
public IFormatProvider FormatInfo {
get {
return format_provider;
}
set {
if (value != format_provider) {
format_provider = value;
}
}
}
[DefaultValue(null)]
public override PropertyDescriptor PropertyDescriptor {
set {
base.PropertyDescriptor = value;
}
}
public override bool ReadOnly {
get {
return base.ReadOnly;
}
set {
base.ReadOnly = value;
}
}
[Browsable(false)]
public virtual TextBox TextBox {
get {
EnsureTextBox();
return textbox;
}
}
#endregion // Public Instance Properties
#region Public Instance Methods
protected internal override void Abort (int rowNum)
{
EndEdit ();
}
protected internal override bool Commit (CurrencyManager dataSource, int rowNum)
{
string text;
if (textbox.Text == NullText) {
text = string.Empty;
} else {
text = textbox.Text;
}
try {
SetColumnValueAtRow (dataSource, rowNum, text);
}
catch (Exception e) {
string message = "The data entered in column ["+ MappingName +"] has an invalid format.";
MessageBox.Show( message);
}
EndEdit ();
return true;
}
[MonoTODO]
protected internal override void ConcedeFocus ()
{
}
protected internal override void Edit (CurrencyManager source, int rowNum, Rectangle bounds, bool _ro, string instantText, bool cellIsVisible)
{
object obj;
EnsureTextBox();
textbox.TextAlign = alignment;
if ((ParentReadOnly == true) ||
(ParentReadOnly == false && ReadOnly == true) ||
(ParentReadOnly == false && _ro == true)) {
textbox.ReadOnly = true;
} else {
textbox.ReadOnly = false;
}
textbox.Location = new Point (bounds.X + offset_x, bounds.Y + offset_y);
textbox.Size = new Size (bounds.Width - offset_x, bounds.Height - offset_y);
obj = GetColumnValueAtRow (source, rowNum);
textbox.Text = GetFormattedString (obj);
textbox.Visible = cellIsVisible;
textbox.Focus ();
textbox.SelectAll ();
}
protected void EndEdit ()
{
ReleaseHostedControl ();
grid.Invalidate (grid.GetCurrentCellBounds ());
}
protected internal override void EnterNullValue ()
{
if (textbox != null) {
textbox.Text = NullText;
}
}
protected internal override int GetMinimumHeight ()
{
return FontHeight + 3;
}
[MonoTODO]
protected internal override int GetPreferredHeight (Graphics g, object value)
{
throw new NotImplementedException ();
}
[MonoTODO]
protected internal override Size GetPreferredSize (Graphics g, object value)
{
throw new NotImplementedException ();
}
[MonoTODO]
protected void HideEditBox ()
{
}
protected internal override void Paint (Graphics g, Rectangle bounds, CurrencyManager source, int rowNum)
{
Paint (g, bounds, source, rowNum, false);
}
protected internal override void Paint (Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, bool alignToRight)
{
Paint (g, bounds, source, rowNum, ThemeEngine.Current.ResPool.GetSolidBrush (DataGridTableStyle.BackColor),
ThemeEngine.Current.ResPool.GetSolidBrush (DataGridTableStyle.ForeColor), alignToRight);
}
protected internal override void Paint (Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, Brush backBrush, Brush foreBrush, bool alignToRight)
{
object obj;
obj = GetColumnValueAtRow (source, rowNum);
PaintText (g, bounds, GetFormattedString (obj), backBrush, foreBrush, alignToRight);
}
protected void PaintText (Graphics g, Rectangle bounds, string text, bool alignToRight)
{
PaintText (g, bounds, text, ThemeEngine.Current.ResPool.GetSolidBrush (DataGridTableStyle.BackColor),
ThemeEngine.Current.ResPool.GetSolidBrush (DataGridTableStyle.ForeColor), alignToRight);
}
protected void PaintText (Graphics g, Rectangle textBounds, string text, Brush backBrush, Brush foreBrush, bool alignToRight)
{
if (alignToRight == true) {
string_format.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
} else {
string_format.FormatFlags &= ~StringFormatFlags.DirectionRightToLeft;
}
switch (alignment) {
case HorizontalAlignment.Center:
string_format.Alignment = StringAlignment.Center;
break;
case HorizontalAlignment.Right:
string_format.Alignment = StringAlignment.Far;
break;
default:
string_format.Alignment = StringAlignment.Near;
break;
}
g.FillRectangle (backBrush, textBounds);
PaintGridLine (g, textBounds);
textBounds.Y += offset_y;
textBounds.Height -= offset_y;
string_format.FormatFlags |= StringFormatFlags.NoWrap;
g.DrawString (text, DataGridTableStyle.DataGrid.Font, foreBrush, textBounds, string_format);
}
protected internal override void ReleaseHostedControl ()
{
if (textbox != null) {
DataGridTableStyle.DataGrid.Controls.Remove (textbox);
textbox.Dispose ();
textbox = null;
}
}
protected override void SetDataGridInColumn (DataGrid value)
{
base.SetDataGridInColumn (value);
}
protected internal override void UpdateUI (CurrencyManager source, int rowNum, string instantText)
{
}
#endregion // Public Instance Methods
#region Private Instance Methods
// We use DataGridTextBox to render everything that DataGridBoolColumn does not
internal static bool CanRenderType (Type type)
{
return (type != typeof (Boolean));
}
private string GetFormattedString (object obj)
{
if (obj == DBNull.Value) {
return NullText;
}
if (format != null && obj as IFormattable != null) {
return ((IFormattable)obj).ToString (format, format_provider);
}
return obj.ToString ();
}
private void EnsureTextBox() {
if (textbox == null) {
textbox = new DataGridTextBox ();
textbox.SetDataGrid (DataGridTableStyle.DataGrid);
textbox.Multiline = true;
textbox.BorderStyle = BorderStyle.None;
textbox.Visible = false;
DataGridTableStyle.DataGrid.Controls.Add (textbox);
}
}
#endregion Private Instance Methods
}
}
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