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(true)]
  74                 public virtual bool CausesValidation {
  75                         get { return ViewState.GetBool ("CausesValidation", true); }
  76                         set { ViewState ["CausesValidation"] = value; }
  77                 }
  78
  79                 [DefaultValue("")]
  80                 public virtual string ValidationGroup {
  81                         get { return ViewState.GetString ("ValidationGroup", ""); }
  82                         set { ViewState ["ValidationGroup"] = value; }
  83                 }
  84
  85 #endif
  86
  87 #if NET_2_0
  88                 [DefaultValue ("")]
  89                 [Localizable (true)]
  90 #endif
  91                 public virtual string EditText {
  92                         get {
  93                                 return ViewState.GetString("EditText", string.Empty);
  94                         }
  95
  96                         set {
  97                                 ViewState["EditText"] = value;
  98                         }
  99                 }
 100
 101 #if NET_2_0
 102                 [DefaultValue ("")]
 103                 [Localizable (true)]
 104 #endif
 105                 public virtual string UpdateText {
 106                         get {
 107                                 return ViewState.GetString("UpdateText", string.Empty);
 108                         }
 109
 110                         set {
 111                                 ViewState["UpdateText"] = value;
 112                         }
 113                 }
 114                 #endregion      // Public Instance Properties
 115
 116                 #region Public Instance Methods
 117
 118                 // Modeled after Ben's CommandField.InitializeCell. Saved me a lot of figuring-out time :-)
 119                 public override void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) {
 120                         base.InitializeCell (cell, columnIndex, itemType);
 121
 122                         switch(itemType) {
 123                                 case ListItemType.Separator:
 124                                 case ListItemType.Pager:
 125                                 case ListItemType.Footer:
 126                                 case ListItemType.Header: {
 127                                         // Base handles header and footer, dunno about the others
 128                                         return;
 129                                 }
 130
 131                                 case ListItemType.Item:
 132                                 case ListItemType.SelectedItem:
 133                                 case ListItemType.AlternatingItem:{
 134                                         cell.Controls.Add(CreateButton(ButtonType, EditText, "Edit", false));
 135                                         break;
 136                                 }
 137
 138                                 case ListItemType.EditItem: {
 139 #if NET_2_0
 140                                         cell.Controls.Add (CreateButton (ButtonType, UpdateText, "Update", CausesValidation));
 141 #else
 142                                         cell.Controls.Add(CreateButton(ButtonType, UpdateText, "Update", true));
 143 #endif
 144                                         cell.Controls.Add(new LiteralControl("&nbsp;"));
 145                                         cell.Controls.Add(CreateButton(ButtonType, CancelText, "Cancel", false));
 146                                         break;
 147                                 }
 148                         }
 149                 }
 150                 #endregion      // Public Instance Methods
 151
 152                 #region Private Methods
 153                 private Control CreateButton(ButtonColumnType type, string text, string command, bool valid) {
 154                         Button b;
 155                         LinkButton d;
 156
 157                         if (type == ButtonColumnType.LinkButton) {
 158                                 d = new ForeColorLinkButton();
 159                                 d.Text = text;
 160                                 d.CommandName = command;
 161                                 d.CausesValidation = valid;
 162 #if NET_2_0
 163                                 if (valid) {
 164                                         d.ValidationGroup = ValidationGroup;
 165                                 }
 166 #endif
 167                                 return d;
 168                         }
 169
 170                         b = new Button();
 171                         b.Text = text;
 172                         b.CommandName = command;
 173                         b.CausesValidation = valid;
 174 #if NET_2_0
 175                         if (valid) {
 176                                 b.ValidationGroup = ValidationGroup;
 177                         }
 178 #endif
 179                         return b;
 180                 }
 181                 #endregion      // Private Methods
 182         }
 183 }