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
   4 // without limitation the rights to use, copy, modify, merge, publish,
   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 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                 #region Public Constructors
  37                 public EditCommandColumn() {
  38                 }
  39                 #endregion      // Public Constructors
  40
  41                 #region Public Instance Properties
  42                 public virtual ButtonColumnType ButtonType {
  43                         get {
  44                                 object obj;
  45
  46                                 obj = ViewState["ButtonType"];
  47                                 if (obj != null) {
  48                                         return (ButtonColumnType)obj;
  49                                 }
  50                                 return ButtonColumnType.LinkButton;
  51                         }
  52
  53                         set {
  54                                 ViewState["ButtonType"] = value;
  55                         }
  56                 }
  57
  58 #if NET_2_0
  59                 [DefaultValue ("")]
  60                 [Localizable (true)]
  61 #endif
  62                 public virtual string CancelText {
  63                         get {
  64                                 return ViewState.GetString("CancelText", string.Empty);
  65                         }
  66
  67                         set {
  68                                 ViewState["CancelText"] = value;
  69                         }
  70                 }
  71
  72 #if NET_2_0
  73                 [DefaultValue ("")]
  74                 [Localizable (true)]
  75 #endif
  76                 public virtual string EditText {
  77                         get {
  78                                 return ViewState.GetString("EditText", string.Empty);
  79                         }
  80
  81                         set {
  82                                 ViewState["EditText"] = value;
  83                         }
  84                 }
  85
  86 #if NET_2_0
  87                 [DefaultValue ("")]
  88                 [Localizable (true)]
  89 #endif
  90                 public virtual string UpdateText {
  91                         get {
  92                                 return ViewState.GetString("UpdateText", string.Empty);
  93                         }
  94
  95                         set {
  96                                 ViewState["UpdateText"] = value;
  97                         }
  98                 }
  99                 #endregion      // Public Instance Properties
 100
 101                 #region Public Instance Methods
 102
 103                 // Modeled after Ben's CommandField.InitializeCell. Saved me a lot of figuring-out time :-)
 104                 public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) {
 105                         base.InitializeCell (cell, columnIndex, itemType);
 106
 107                         switch(itemType) {
 108                                 case ListItemType.Separator:
 109                                 case ListItemType.Pager:
 110                                 case ListItemType.Footer:
 111                                 case ListItemType.Header: {
 112                                         // Base handles header and footer, dunno about the others
 113                                         return;
 114                                 }
 115
 116                                 case ListItemType.Item:
 117                                 case ListItemType.SelectedItem:
 118                                 case ListItemType.AlternatingItem:{
 119                                         cell.Controls.Add(CreateButton(ButtonType, EditText, "Edit", false));
 120                                         break;
 121                                 }
 122
 123                                 case ListItemType.EditItem: {
 124                                         cell.Controls.Add(CreateButton(ButtonType, UpdateText, "Update", true));
 125                                         cell.Controls.Add(new LiteralControl("&nbsp;"));
 126                                         cell.Controls.Add(CreateButton(ButtonType, CancelText, "Cancel", false));
 127                                         break;
 128                                 }
 129                         }
 130                 }
 131                 #endregion      // Public Instance Methods
 132
 133                 #region Private Methods
 134                 private Control CreateButton(ButtonColumnType type, string text, string command, bool valid) {
 135                         Button b;
 136                         LinkButton d;
 137
 138                         if (type == ButtonColumnType.LinkButton) {
 139                                 d = new ForeColorLinkButton();
 140                                 d.Text = text;
 141                                 d.CommandName = command;
 142                                 d.CausesValidation = valid;
 143                                 return d;
 144                         }
 145
 146                         b = new Button();
 147                         b.Text = text;
 148                         b.CommandName = command;
 149                         b.CausesValidation = valid;
 150                         return b;
 151                 }
 152                 #endregion      // Private Methods
 153         }
 154 }