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//
// System.Web.UI.WebControls.ButtonField.cs
//
// Authors:
// Lluis Sanchez Gual (lluis@novell.com)
//
// (C) 2005 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.
//
#if NET_2_0
using System.Reflection;
using System.Collections;
using System.Collections.Specialized;
using System.Web.UI;
using System.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI.WebControls {
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public class ButtonField : ButtonFieldBase
{
PropertyDescriptor boundProperty;
[DefaultValueAttribute ("")]
[WebSysDescription ("Raised when a Button Command is executed.")]
[WebCategoryAttribute ("Behavior")]
public virtual string CommandName {
get {
object ob = ViewState ["CommandName"];
if (ob != null) return (string) ob;
return "";
}
set {
ViewState ["CommandName"] = value;
OnFieldChanged ();
}
}
[DefaultValueAttribute ("")]
[TypeConverterAttribute ("System.Web.UI.Design.DataSourceViewSchemaConverter, " + Consts.AssemblySystem_Design)]
[WebSysDescription ("")]
[WebCategoryAttribute ("Data")]
public virtual string DataTextField {
get {
object ob = ViewState ["DataTextField"];
if (ob != null) return (string) ob;
return "";
}
set {
ViewState ["DataTextField"] = value;
OnFieldChanged ();
}
}
[DefaultValueAttribute ("")]
[WebSysDescription ("")]
[WebCategoryAttribute ("Data")]
public virtual string DataTextFormatString {
get {
object ob = ViewState ["DataTextFormatString"];
if (ob != null) return (string) ob;
return "";
}
set {
ViewState ["DataTextFormatString"] = value;
OnFieldChanged ();
}
}
[EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
[WebSysDescription ("")]
[WebCategoryAttribute ("Appearance")]
[DefaultValueAttribute ("")]
[UrlPropertyAttribute]
public virtual string ImageUrl {
get {
object ob = ViewState ["ImageUrl"];
if (ob != null) return (string) ob;
return "";
}
set {
ViewState ["ImageUrl"] = value;
OnFieldChanged ();
}
}
[LocalizableAttribute (true)]
[DefaultValueAttribute ("")]
[WebSysDescription ("")]
[WebCategoryAttribute ("Appearance")]
public virtual string Text {
get {
object ob = ViewState ["Text"];
if (ob != null) return (string) ob;
return "";
}
set {
ViewState ["Text"] = value;
OnFieldChanged ();
}
}
public override bool Initialize (bool sortingEnabled, Control control)
{
return base.Initialize (sortingEnabled, control);
}
protected virtual string FormatDataTextValue (object value)
{
if (DataTextFormatString.Length > 0)
return string.Format (DataTextFormatString, value);
else if (value == null)
return string.Empty;
else
return value.ToString ();
}
public override void InitializeCell (DataControlFieldCell cell, DataControlCellType cellType, DataControlRowState rowState, int rowIndex)
{
string index = rowIndex.ToString ();
if (cellType == DataControlCellType.DataCell) {
DataControlButton btn = new DataControlButton (Control);
btn.CommandName = CommandName;
btn.CommandArgument = index;
if (DataTextField != "") {
if ((rowState & DataControlRowState.Insert) == 0)
cell.DataBinding += new EventHandler (OnDataBindField);
}
else {
btn.Text = Text;
btn.ButtonType = ButtonType;
if (ButtonType == ButtonType.Image) btn.ImageUrl = ImageUrl;
}
cell.Controls.Add (btn);
}
else
base.InitializeCell (cell, cellType, rowState, rowIndex);
}
void OnDataBindField (object sender, EventArgs e)
{
DataControlFieldCell cell = (DataControlFieldCell) sender;
DataControlButton btn = (DataControlButton) cell.Controls [0];
btn.Text = FormatDataTextValue (GetBoundValue (cell.BindingContainer));
if (ButtonType == ButtonType.Image) btn.ImageUrl = ImageUrl;
btn.ButtonType = ButtonType;
}
object GetBoundValue (Control controlContainer)
{
IDataItemContainer dic = controlContainer as IDataItemContainer;
if (boundProperty == null) {
boundProperty = TypeDescriptor.GetProperties (dic.DataItem) [DataTextField];
if (boundProperty == null)
new InvalidOperationException ("Property '" + DataTextField + "' not found in object of type " + dic.DataItem.GetType());
}
return boundProperty.GetValue (dic.DataItem);
}
protected override DataControlField CreateField ()
{
return new ButtonField ();
}
protected override void CopyProperties (DataControlField newField)
{
base.CopyProperties (newField);
ButtonField field = (ButtonField) newField;
field.CommandName = CommandName;
field.DataTextField = DataTextField;
field.DataTextFormatString = DataTextFormatString;
field.ImageUrl = ImageUrl;
field.Text = Text;
}
[MonoTODO]
public override void ValidateSupportsCallback ()
{
throw new NotImplementedException ();
}
}
}
#endif
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