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

   1 /**\r
   2  * Namespace: System.Web.UI.WebControls\r
   3  * Class:     Table\r
   4  *\r
   5  * Author:  Gaurav Vaish\r
   6  * Maintainer: gvaish@iitk.ac.in\r
   7  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
   8  * Implementation: yes\r
   9  * Status:  100%\r
  10  *\r
  11  * (C) Gaurav Vaish (2002)\r
  12  */\r
  13 \r
  14 using System;\r
  15 using System.Drawing;\r
  16 using System.Globalization;\r
  17 using System.Web;\r
  18 using System.Web.UI;\r
  19 \r
  20 namespace System.Web.UI.WebControls\r
  21 {\r
  22         public class Table: WebControl\r
  23         {\r
  24                 private TableRowCollection rows;\r
  25 \r
  26                 private class TableRowControlCollection : ControlCollection\r
  27                 {\r
  28                         public TableRowControlCollection(Control owner): base(owner)\r
  29                         {\r
  30                         }\r
  31 \r
  32                         public override void Add(Control child)\r
  33                         {\r
  34                                 if(child is TableRow)\r
  35                                 {\r
  36                                         Add(child);\r
  37                                         return;\r
  38                                 }\r
  39                                 throw new ArgumentException(HttpRuntime.FormatResourceString("Cannot_Have_Children_Of_Type", "Table", child.GetType().Name.ToString()));\r
  40                         }\r
  41 \r
  42                         public override void AddAt(int index, Control child)\r
  43                         {\r
  44                                 if(child is TableRow)\r
  45                                 {\r
  46                                         Add(child);\r
  47                                         return;\r
  48                                 }\r
  49                                 throw new ArgumentException(HttpRuntime.FormatResourceString("Cannot_Have_Children_Of_Type", "Table", child.GetType().Name.ToString()));\r
  50                         }\r
  51                 }\r
  52 \r
  53                 public Table(): base(HtmlTextWriterTag.Table)\r
  54                 {\r
  55                 }\r
  56 \r
  57                 public virtual string BackImageUrl\r
  58                 {\r
  59                         get\r
  60                         {\r
  61                                 if(ControlStyleCreated)\r
  62                                         return ((TableStyle)ControlStyle).BackImageUrl;\r
  63                         }\r
  64                         set\r
  65                         {\r
  66                                 ((TableStyle)ControlStyle).BackImageUrl = value;\r
  67                         }\r
  68                 }\r
  69 \r
  70                 public virtual int CellPadding\r
  71                 {\r
  72                         get\r
  73                         {\r
  74                                 if(ControlStyleCreated)\r
  75                                         return ((TableStyle)ControlStyle).CellPadding;\r
  76                         }\r
  77                         set\r
  78                         {\r
  79                                 ((TableStyle)ControlStyle).CellPadding = value;\r
  80                         }\r
  81                 }\r
  82 \r
  83                 public virtual int CellSpacing\r
  84                 {\r
  85                         get\r
  86                         {\r
  87                                 if(ControlStyleCreated)\r
  88                                         return ((TableStyle)ControlStyle).CellSpacing;\r
  89                         }\r
  90                         set\r
  91                         {\r
  92                                 ((TableStyle)ControlStyle).CellSpacing = value;\r
  93                         }\r
  94                 }\r
  95 \r
  96                 public virtual GridLines GridLines\r
  97                 {\r
  98                         get\r
  99                         {\r
 100                                 if(ControlStyleCreated)\r
 101                                         return ((TableStyle)ControlStyle).GridLines;\r
 102                         }\r
 103                         set\r
 104                         {\r
 105                                 ((TableStyle)ControlStyle).GridLines = value;\r
 106                         }\r
 107                 }\r
 108 \r
 109                 public virtual HorizontalAlign HorizontalAlign\r
 110                 {\r
 111                         get\r
 112                         {\r
 113                                 if(ControlStyleCreated)\r
 114                                         return ((TableStyle)ControlStyle).HorizontalAlign;\r
 115                         }\r
 116                         set\r
 117                         {\r
 118                                 ((TableStyle)ControlStyle).HorizontalAlign = value;\r
 119                         }\r
 120                 }\r
 121 \r
 122                 public virtual TableRowCollection Rows\r
 123                 {\r
 124                         get\r
 125                         {\r
 126                                 if(rows == null)\r
 127                                 {\r
 128                                         rows = new TableRowCollection(this);\r
 129                                 }\r
 130                                 return rows;\r
 131                         }\r
 132                 }\r
 133 \r
 134                 protected override void AddAttributesToRender(HtmlTextWriter writer)\r
 135                 {\r
 136                         AddAttributesToRender(writer);\r
 137                         if(!BorderColor.IsEmpty)\r
 138                         {\r
 139                                 writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, ColorTranslator.ToHtml(BorderColor));\r
 140                         }\r
 141 \r
 142                         Unit bw = BorderWidth;\r
 143                         if(GridLines == GridLines.None)\r
 144                         {\r
 145                                 bw = Unit.Pixel(0);\r
 146                         } else if(!bw.IsEmpty && bw.Type == UnitType.Pixel)\r
 147                         {\r
 148                                 bw = Unit.Pixel(1);\r
 149                         }\r
 150                         writer.AddAttribute(HtmlTextWriterAttribute.Border, ((int)bw.Value).ToString(NumberFormatInfo.InvariantInfo));\r
 151                 }\r
 152 \r
 153                 protected override ControlCollection CreateControlCollection()\r
 154                 {\r
 155                         return new TableRowControlCollection(this);\r
 156                 }\r
 157 \r
 158                 protected override Style CreateControlStyle()\r
 159                 {\r
 160                         return new TableStyle(ViewState);\r
 161                 }\r
 162 \r
 163                 protected override void RenderContents(HtmlTextWriter writer)\r
 164                 {\r
 165                         foreach(object current in Rows)\r
 166                         {\r
 167                                 ((TableRow)current).RenderControl(writer);\r
 168                         }\r
 169                 }\r
 170         }\r
 171 }