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

   1 //
   2 // System.Web.UI.WebControls.TableHeaderCell.cs
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.ComponentModel;
  30 using System.Security.Permissions;
  31 using System.Text;
  32
  33 namespace System.Web.UI.WebControls {
  34
  35         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  36         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  37         public class TableHeaderCell : TableCell {
  38
  39                 public TableHeaderCell ()
  40                         : base (HtmlTextWriterTag.Th)
  41                 {
  42                 }
  43
  44                 [DefaultValue ("")]
  45                 public virtual string AbbreviatedText {
  46                         get {
  47                                 object o = ViewState ["AbbreviatedText"];
  48                                 return (o == null) ? String.Empty : (string) o;
  49                         }
  50                         set {
  51                                 if (value == null)
  52                                         ViewState.Remove ("AbbreviatedText");
  53                                 else
  54                                         ViewState ["AbbreviatedText"] = value;
  55                         }
  56                 }
  57
  58                 [DefaultValue (null)]
  59                 [TypeConverter (typeof (StringArrayConverter))]
  60                 public virtual string[] CategoryText {
  61                         get {
  62                                 object o = ViewState ["CategoryText"];
  63                                 return (o == null) ? new string [0] : (string[]) o;
  64                         }
  65                         set {
  66                                 ViewState ["CategoryText"] = value;
  67                         }
  68                 }
  69
  70                 [DefaultValue (TableHeaderScope.NotSet)]
  71                 public virtual TableHeaderScope Scope {
  72                         get {
  73                                 object o = ViewState ["Scope"];
  74                                 return (o == null) ? TableHeaderScope.NotSet : (TableHeaderScope) o;
  75                         }
  76                         set {
  77                                 ViewState ["Scope"] = (int) value;
  78                         }
  79                 }
  80
  81                 protected override void AddAttributesToRender (HtmlTextWriter writer)
  82                 {
  83                         base.AddAttributesToRender (writer);
  84                         if (writer != null) {
  85                                 object o = ViewState ["AbbreviatedText"];
  86                                 if (o != null)
  87                                         writer.AddAttribute (HtmlTextWriterAttribute.Abbr, (string) o);
  88
  89                                 switch (Scope) {
  90                                 case TableHeaderScope.Column:
  91                                         writer.AddAttribute (HtmlTextWriterAttribute.Scope, "column", false);
  92                                         break;
  93                                 case TableHeaderScope.Row:
  94                                         writer.AddAttribute (HtmlTextWriterAttribute.Scope, "row", false);
  95                                         break;
  96                                 }
  97
  98                                 string[] cats = CategoryText;
  99                                 if (cats.Length == 1) {
 100                                         writer.AddAttribute (HtmlTextWriterAttribute.Axis, cats [0]);
 101                                 } else if (cats.Length > 1) {
 102                                         StringBuilder sb = new StringBuilder ();
 103                                         for (int i=0; i < cats.Length - 1; i++) {
 104                                                 sb.Append (cats [i]);
 105                                                 sb.Append (",");
 106                                         }
 107                                         sb.Append (cats [cats.Length - 1]);
 108                                         writer.AddAttribute (HtmlTextWriterAttribute.Axis, sb.ToString ());
 109                                 }
 110                         }
 111                 }
 112         }
 113 }