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

   1 //
   2 // System.Web.UI.WebControls.Table.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 //
  11 \r
  12 using System;\r
  13 using System.Drawing;\r
  14 using System.Globalization;\r
  15 using System.Web;\r
  16 using System.Web.UI;\r
  17 using System.ComponentModel;
  18 using System.ComponentModel.Design;\r
  19 \r
  20 namespace System.Web.UI.WebControls\r
  21 {\r
  22         [DefaultProperty("Rows")]\r
  23         [Designer ("System.Web.UI.Design.WebControls.TableDesigner, " + Consts.AssemblySystem_Design, typeof (IDesigner))]\r
  24         [ParseChildren(true, "Rows")]\r
  25         public class Table: WebControl\r
  26         {\r
  27                 private TableRowCollection rows;\r
  28 \r
  29                 private class TableRowControlCollection : ControlCollection\r
  30                 {\r
  31                         public TableRowControlCollection (Control owner) : base (owner)\r
  32                         {\r
  33                         }\r
  34 \r
  35                         public override void Add (Control child)\r
  36                         {\r
  37                                 if (!(child is TableRow))\r
  38                                         throw new ArgumentException (HttpRuntime.FormatResourceString (\r
  39                                                                         "Cannot_Have_Children_Of_Type",\r
  40                                                                         "Table",\r
  41                                                                         child.GetType ().Name.ToString ()));\r
  42                                 base.Add (child);\r
  43                         }\r
  44 \r
  45                         public override void AddAt(int index, Control child)\r
  46                         {\r
  47                                 if (!(child is TableRow))\r
  48                                         throw new ArgumentException (HttpRuntime.FormatResourceString (\r
  49                                                                         "Cannot_Have_Children_Of_Type",\r
  50                                                                         "Table",\r
  51                                                                         child.GetType ().Name.ToString ()));\r
  52                                 base.AddAt (index, child);\r
  53                         }\r
  54                 }\r
  55 \r
  56                 public Table () : base (HtmlTextWriterTag.Table)\r
  57                 {\r
  58                 }\r
  59
  60                 [DefaultValue (""), Bindable (true), WebCategory ("Appearance")]
  61                 [Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
  62                 [WebSysDescription ("An Url specifying the background image for the table.")]\r
  63                 public virtual string BackImageUrl\r
  64                 {\r
  65                         get {\r
  66                                 if (ControlStyleCreated)\r
  67                                         return ((TableStyle) ControlStyle).BackImageUrl;\r
  68                                 return String.Empty;\r
  69                         }\r
  70 \r
  71                         set { ((TableStyle) ControlStyle).BackImageUrl = value; }\r
  72                 }\r
  73
  74                 [DefaultValue (-1), Bindable (true), WebCategory ("Appearance")]
  75                 [WebSysDescription ("The space left around the borders within a cell.")]\r
  76                 public virtual int CellPadding\r
  77                 {\r
  78                         get {\r
  79                                 if (ControlStyleCreated)\r
  80                                         return ((TableStyle) ControlStyle).CellPadding;\r
  81                                 return -1;\r
  82                         }\r
  83 \r
  84                         set { ((TableStyle) ControlStyle).CellPadding = value; }\r
  85                 }\r
  86
  87                 [DefaultValue (-1), Bindable (true), WebCategory ("Appearance")]
  88                 [WebSysDescription ("The space left between cells.")]\r
  89                 public virtual int CellSpacing\r
  90                 {\r
  91                         get {\r
  92                                 if (ControlStyleCreated)\r
  93                                         return ((TableStyle) ControlStyle).CellSpacing;\r
  94                                 return -1;\r
  95                         }\r
  96 \r
  97                         set { ((TableStyle) ControlStyle).CellSpacing = value; }\r
  98                 }\r
  99
 100                 [DefaultValue (typeof (GridLines), "None"), Bindable (true), WebCategory ("Appearance")]
 101                 [WebSysDescription ("The type of grid that a table uses.")]\r
 102                 public virtual GridLines GridLines\r
 103                 {\r
 104                         get {\r
 105                                 if (ControlStyleCreated)\r
 106                                         return ((TableStyle) ControlStyle).GridLines;\r
 107                                 return GridLines.None;\r
 108                         }\r
 109 \r
 110                         set { ((TableStyle) ControlStyle).GridLines = value; }\r
 111                 }\r
 112
 113                 [DefaultValue (typeof (HorizontalAlign), "NotSet"), Bindable (true), WebCategory ("Layout")]
 114                 [WebSysDescription ("The horizonal alignment of the table.")]\r
 115                 public virtual HorizontalAlign HorizontalAlign\r
 116                 {\r
 117                         get {\r
 118                                 if (ControlStyleCreated)\r
 119                                         return ((TableStyle) ControlStyle).HorizontalAlign;\r
 120                                 return HorizontalAlign.NotSet;\r
 121                         }\r
 122 \r
 123                         set { ((TableStyle) ControlStyle).HorizontalAlign = value; }\r
 124                 }\r
 125
 126                 [MergableProperty (false), PersistenceMode (PersistenceMode.InnerDefaultProperty)]
 127                 [WebSysDescription ("The rows of this table.")]\r
 128                 public virtual TableRowCollection Rows\r
 129                 {\r
 130                         get {\r
 131                                 if (rows == null)\r
 132                                         rows = new TableRowCollection (this);\r
 133                                 return rows;\r
 134                         }\r
 135                 }\r
 136 \r
 137                 protected override void AddAttributesToRender (HtmlTextWriter writer)\r
 138                 {\r
 139                         base.AddAttributesToRender (writer);\r
 140                         if(!BorderColor.IsEmpty)\r
 141                                 writer.AddAttribute (HtmlTextWriterAttribute.Bordercolor,\r
 142                                                      ColorTranslator.ToHtml (BorderColor));\r
 143 \r
 144                         Unit bw = BorderWidth;\r
 145                         if (GridLines == GridLines.None)\r
 146                                 bw = Unit.Pixel (0);\r
 147                         else if (bw.IsEmpty || bw.Type != UnitType.Pixel)\r
 148                                 bw = Unit.Pixel(1);\r
 149 \r
 150                         writer.AddAttribute (HtmlTextWriterAttribute.Border,\r
 151                                              ((int) bw.Value).ToString (NumberFormatInfo.InvariantInfo));\r
 152                 }\r
 153 \r
 154                 protected override ControlCollection CreateControlCollection ()\r
 155                 {\r
 156                         return new TableRowControlCollection (this);\r
 157                 }\r
 158 \r
 159                 protected override Style CreateControlStyle ()\r
 160                 {\r
 161                         return new TableStyle (ViewState);\r
 162                 }\r
 163 \r
 164                 protected override void RenderContents (HtmlTextWriter writer)\r
 165                 {\r
 166                         foreach (TableRow current in Rows)\r
 167                                  current.RenderControl (writer);\r
 168                 }\r
 169         }\r
 170 }\r
 171 \r