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

   1 //
   2 // System.Web.UI.WebControls.TableCell.cs
   3 //
   4 // Authors:
   5 //   Gaurav Vaish (gvaish@iitk.ac.in)
   6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   7 //
   8 // (C) Gaurav Vaish (2002)
   9 // (C) 2003 Andreas Nahr
  10 //\r
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32 \r
  33 using System;\r
  34 using System.Globalization;\r
  35 using System.Web;\r
  36 using System.Web.UI;\r
  37 using System.ComponentModel;\r
  38 \r
  39 namespace System.Web.UI.WebControls\r
  40 {\r
  41 #if NET_2_0\r
  42         [Bindable (false)]\r
  43 #else\r
  44         [PersistChildren(true)]\r
  45 #endif\r
  46         [DefaultProperty("Text")]\r
  47         [ToolboxItem(false)]\r
  48         [ControlBuilder(typeof(TableCellControlBuilder))]\r
  49         [ParseChildren(false)]\r
  50         public class TableCell: WebControl\r
  51         {\r
  52                 public TableCell () : base (HtmlTextWriterTag.Td)\r
  53                 {\r
  54                         PreventAutoID ();\r
  55                 }\r
  56 \r
  57                 internal TableCell (HtmlTextWriterTag tag) : base (tag)\r
  58                 {\r
  59                         PreventAutoID ();\r
  60                 }\r
  61
  62 #if !NET_2_0\r
  63                 [Bindable (true)]\r
  64 #endif\r
  65                 [DefaultValue (0), WebCategory ("Appearance")]
  66                 [WebSysDescription ("The number of columns spanned by this cell.")]\r
  67                 public virtual int ColumnSpan\r
  68                 {\r
  69                         get {\r
  70                                 object o = ViewState ["ColumnSpan"];\r
  71                                 return (o == null) ? 0 : (int) o;\r
  72                         }\r
  73 \r
  74                         set {
  75                                 if (value < 0)
  76                                         throw new ArgumentOutOfRangeException ("value", "ColumnSpan value has to be >= 0.");
  77                                 ViewState ["ColumnSpan"] = value;
  78                         }\r
  79                 }\r
  80
  81 #if !NET_2_0\r
  82                 [Bindable (true)]\r
  83 #endif\r
  84                 [DefaultValue (0), WebCategory ("Layout")]
  85                 [WebSysDescription ("The number of rows spanned by this cell.")]\r
  86                 public virtual int RowSpan\r
  87                 {\r
  88                         get {\r
  89                                 object o = ViewState ["RowSpan"];\r
  90                                 return (o == null) ? 0 : (int) o;\r
  91                         }\r
  92 \r
  93                         set {
  94                                 if (value < 0)
  95                                         throw new ArgumentOutOfRangeException ("value", "RowSpan value has to be >= 0.");
  96                                 ViewState ["RowSpan"] = value;
  97                         }\r
  98                 }\r
  99
 100 #if NET_2_0\r
 101             [LocalizableAttribute (true)]\r
 102         [PersistenceModeAttribute (PersistenceMode.EncodedInnerDefaultProperty)]\r
 103 #else\r
 104                 [Bindable (true)]\r
 105 #endif\r
 106                 [DefaultValue (""), WebCategory ("Appearance")]
 107                 [WebSysDescription ("The text that is shown in this cell.")]\r
 108                 public virtual string Text\r
 109                 {\r
 110                         get {\r
 111                                 object o = ViewState ["Text"];\r
 112                                 return (o == null) ? String.Empty : (string) o;\r
 113                         }\r
 114 \r
 115                         set {
 116                                 if (HasControls ())
 117                                         Controls.Clear ();
 118                                 ViewState ["Text"] = value;
 119                         }
 120                 }\r
 121
 122 #if !NET_2_0\r
 123                 [Bindable (true)]\r
 124 #endif\r
 125                 [DefaultValue (typeof (HorizontalAlign), "NotSet"), WebCategory ("Layout")]
 126                 [WebSysDescription ("The horizontal alignment for this cell.")]\r
 127                 public virtual HorizontalAlign HorizontalAlign\r
 128                 {\r
 129                         get {\r
 130                                 if (ControlStyleCreated)\r
 131                                         return ((TableItemStyle) ControlStyle).HorizontalAlign;\r
 132                                 return HorizontalAlign.NotSet;\r
 133                         }\r
 134                         set { ((TableItemStyle) ControlStyle).HorizontalAlign = value; }\r
 135                 }\r
 136
 137 #if !NET_2_0\r
 138                 [Bindable (true)]\r
 139 #endif\r
 140                 [DefaultValue (typeof (VerticalAlign), "NotSet"), WebCategory ("Layout")]
 141                 [WebSysDescription ("The horizontal alignment for this cell.")]\r
 142                 public virtual VerticalAlign VerticalAlign\r
 143                 {\r
 144                         get {\r
 145                                 if (ControlStyleCreated)\r
 146                                         return ((TableItemStyle) ControlStyle).VerticalAlign;\r
 147                                 return VerticalAlign.NotSet;\r
 148                         }\r
 149 \r
 150                         set { ((TableItemStyle) ControlStyle).VerticalAlign = value; }\r
 151                 }\r
 152
 153 #if !NET_2_0\r
 154                 [Bindable (true)]\r
 155 #endif\r
 156                 [DefaultValue (true), WebCategory ("Layout")]
 157                 [WebSysDescription ("Determines if the text in the cell should be wraped at line-end.")]\r
 158                 public virtual bool Wrap\r
 159                 {\r
 160                         get {\r
 161                                 if (ControlStyleCreated)\r
 162                                         return ((TableItemStyle) ControlStyle).Wrap;\r
 163                                 return true;\r
 164                         }\r
 165                         set { ((TableItemStyle) ControlStyle).Wrap = value; }\r
 166                 }\r
 167 \r
 168                 protected override void AddAttributesToRender (HtmlTextWriter writer)\r
 169                 {\r
 170                         base.AddAttributesToRender (writer);\r
 171                         if (ColumnSpan > 0)\r
 172                                 writer.AddAttribute (HtmlTextWriterAttribute.Colspan,\r
 173                                                      ColumnSpan.ToString (NumberFormatInfo.InvariantInfo));\r
 174 \r
 175                         if (RowSpan > 0)\r
 176                                 writer.AddAttribute (HtmlTextWriterAttribute.Rowspan,\r
 177                                                      RowSpan.ToString (NumberFormatInfo.InvariantInfo));\r
 178                 }\r
 179 \r
 180                 protected override void AddParsedSubObject (object obj)\r
 181                 {\r
 182                         if (HasControls ()){\r
 183                                 base.AddParsedSubObject (obj);\r
 184                                 return;\r
 185                         }\r
 186 \r
 187                         if (obj is LiteralControl){\r
 188                                 Text = ((LiteralControl) obj).Text;\r
 189                                 return;\r
 190                         }\r
 191 \r
 192                         string text = Text;\r
 193                         if (text.Length > 0){\r
 194                                 Text = String.Empty;\r
 195                                 base.AddParsedSubObject (new LiteralControl (text));\r
 196                         }\r
 197 \r
 198                         base.AddParsedSubObject (obj);\r
 199                 }\r
 200 \r
 201                 protected override Style CreateControlStyle ()\r
 202                 {\r
 203                         return new TableItemStyle (ViewState);\r
 204                 }\r
 205 \r
 206                 protected override void RenderContents (HtmlTextWriter writer)\r
 207                 {\r
 208                         if (HasControls () || HasRenderMethodDelegate ())\r
 209                                 base.RenderContents (writer);\r
 210                         else\r
 211                                 writer.Write (Text);\r
 212                 }\r
 213         }\r
 214 }\r
 215 \r