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//
// System.Web.UI.WebControls.AutoGeneratedField.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2005-2010 Novell, Inc (http://www.novell.com)
//
//
// 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.
//
using System.Collections;
using System.Collections.Specialized;
using System.Web.UI;
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls
{
[EditorBrowsableAttribute (EditorBrowsableState.Never)]
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class AutoGeneratedField : BoundField
{
Type dataType = typeof(string);
internal AutoGeneratedField ()
{
}
public AutoGeneratedField (string dataField)
{
DataField = dataField;
}
internal AutoGeneratedField (AutoGeneratedFieldProperties fieldProperties)
{
DataField = fieldProperties.DataField;
DataType = fieldProperties.Type;
SortExpression = fieldProperties.Name;
HeaderText = fieldProperties.Name;
ReadOnly = fieldProperties.IsReadOnly;
}
public Type DataType {
get { return dataType; }
set { dataType = value; }
}
public override bool ConvertEmptyStringToNull {
get { return true; }
set { throw new NotSupportedException (); }
}
public override string DataFormatString {
get { return string.Empty; }
set { throw new NotSupportedException (); }
}
public override bool InsertVisible {
get { return true; }
set { throw new NotSupportedException (); }
}
[MonoTODO ("Support other data types")]
public override void ExtractValuesFromCell (IOrderedDictionary dictionary,
DataControlFieldCell cell, DataControlRowState rowState, bool includeReadOnly)
{
if (dataType == typeof(bool)) {
bool editable = IsEditable (rowState);
if (editable || includeReadOnly) {
CheckBox box = (CheckBox) cell.Controls [0];
dictionary [DataField] = box.Checked;
}
} else
base.ExtractValuesFromCell (dictionary, cell, rowState, includeReadOnly);
}
[MonoTODO ("Support other data types")]
protected override void InitializeDataCell (DataControlFieldCell cell, DataControlRowState rowState)
{
if (dataType == typeof(bool)) {
bool editable = IsEditable (rowState);
CheckBox box = new CheckBox ();
box.Enabled = editable;
box.ToolTip = HeaderText;
cell.Controls.Add (box);
} else
base.InitializeDataCell (cell, rowState);
}
[MonoTODO ("Support other data types")]
protected override void OnDataBindField (object sender, EventArgs e)
{
DataControlFieldCell cell = (DataControlFieldCell) sender;
if (dataType == typeof(bool)) {
CheckBox box = (CheckBox) cell.Controls [0];
object val = GetValue (cell.BindingContainer);
if (val != null && val != DBNull.Value)
box.Checked = (bool)val;
else
if (string.IsNullOrEmpty (DataField)) {
box.Visible = false;
return;
}
if (!box.Visible)
box.Visible = true;
}
else
base.OnDataBindField (sender, e);
}
public override void ValidateSupportsCallback ()
{
}
protected override DataControlField CreateField ()
{
return new AutoGeneratedField ();
}
protected override void CopyProperties (DataControlField newField)
{
base.CopyProperties (newField);
AutoGeneratedField field = (AutoGeneratedField) newField;
field.DataType = DataType;
}
protected override object GetDesignTimeValue()
{
return base.GetDesignTimeValue ();
}
}
}
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