mcs/class/System.Web/System.Web.UI.WebControls/EditCommandColumn.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
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   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005-2010 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Authors:
  23 //      Peter Bartok    (pbartok@novell.com)
  24 //
  25 //
  26
  27 using System.ComponentModel;
  28 using System.Security.Permissions;
  29
  30 namespace System.Web.UI.WebControls
  31 {
  32         // CAS
  33         [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  34         [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  35         public class EditCommandColumn : DataGridColumn
  36         {
  37                 #region Public Constructors
  38                 public EditCommandColumn()
  39                 {
  40                 }
  41                 #endregion      // Public Constructors
  42
  43                 #region Public Instance Properties
  44                 [DefaultValue (ButtonColumnType.LinkButton)]
  45                 public virtual ButtonColumnType ButtonType {
  46                         get {
  47                                 object obj;
  48
  49                                 obj = ViewState["ButtonType"];
  50                                 if (obj != null)
  51                                         return (ButtonColumnType)obj;
  52                                 return ButtonColumnType.LinkButton;
  53                         }
  54
  55                         set { ViewState["ButtonType"] = value; }
  56                 }
  57
  58                 [DefaultValue ("")]
  59                 [Localizable (true)]
  60                 public virtual string CancelText {
  61                         get { return ViewState.GetString("CancelText", String.Empty); }
  62                         set { ViewState["CancelText"] = value; }
  63                 }
  64
  65                 [DefaultValue(true)]
  66                 public virtual bool CausesValidation {
  67                         get { return ViewState.GetBool ("CausesValidation", true); }
  68                         set { ViewState ["CausesValidation"] = value; }
  69                 }
  70
  71                 [DefaultValue("")]
  72                 public virtual string ValidationGroup {
  73                         get { return ViewState.GetString ("ValidationGroup", String.Empty); }
  74                         set { ViewState ["ValidationGroup"] = value; }
  75                 }
  76
  77                 [DefaultValue ("")]
  78                 [Localizable (true)]
  79                 public virtual string EditText {
  80                         get { return ViewState.GetString("EditText", String.Empty); }
  81                         set { ViewState["EditText"] = value; }
  82                 }
  83
  84                 [DefaultValue ("")]
  85                 [Localizable (true)]
  86                 public virtual string UpdateText {
  87                         get { return ViewState.GetString("UpdateText", String.Empty); }
  88                         set { ViewState["UpdateText"] = value; }
  89                 }
  90                 #endregion      // Public Instance Properties
  91
  92                 #region Public Instance Methods
  93
  94                 // Modeled after Ben's CommandField.InitializeCell. Saved me a lot of figuring-out time :-)
  95                 public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType)
  96                 {
  97                         base.InitializeCell (cell, columnIndex, itemType);
  98
  99                         switch(itemType) {
 100                                 case ListItemType.Separator:
 101                                 case ListItemType.Pager:
 102                                 case ListItemType.Footer:
 103                                 case ListItemType.Header: {
 104                                         // Base handles header and footer, dunno about the others
 105                                         return;
 106                                 }
 107
 108                                 case ListItemType.Item:
 109                                 case ListItemType.SelectedItem:
 110                                 case ListItemType.AlternatingItem:{
 111                                         cell.Controls.Add(CreateButton(ButtonType, EditText, "Edit", false));
 112                                         break;
 113                                 }
 114
 115                                 case ListItemType.EditItem: {
 116                                         cell.Controls.Add (CreateButton (ButtonType, UpdateText, "Update", CausesValidation));
 117                                         cell.Controls.Add(new LiteralControl("&nbsp;"));
 118                                         cell.Controls.Add(CreateButton(ButtonType, CancelText, "Cancel", false));
 119                                         break;
 120                                 }
 121                         }
 122                 }
 123                 #endregion      // Public Instance Methods
 124
 125                 #region Private Methods
 126                 Control CreateButton(ButtonColumnType type, string text, string command, bool valid)
 127                 {
 128                         Button b;
 129                         LinkButton d;
 130
 131                         if (type == ButtonColumnType.LinkButton) {
 132                                 d = new ForeColorLinkButton();
 133                                 d.Text = text;
 134                                 d.CommandName = command;
 135                                 d.CausesValidation = valid;
 136                                 if (valid)
 137                                         d.ValidationGroup = ValidationGroup;
 138                                 return d;
 139                         }
 140
 141                         b = new Button();
 142                         b.Text = text;
 143                         b.CommandName = command;
 144                         b.CausesValidation = valid;
 145                         if (valid)
 146                                 b.ValidationGroup = ValidationGroup;
 147
 148                         return b;
 149                 }
 150                 #endregion      // Private Methods
 151         }
 152 }