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

   1 /**\r
   2  * Namespace: System.Web.UI.WebControls\r
   3  * Class:     DataListItem\r
   4  *\r
   5  * Authors:  Gaurav Vaish, Gonzalo Paniagua (gonzalo@ximian.com)\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  * (c) 2002 Ximian, Inc. (http://www.ximian.com)\r
  13  */\r
  14 \r
  15 using System;\r
  16 using System.Collections;\r
  17 using System.Web;\r
  18 using System.Web.UI;\r
  19 using System.ComponentModel;\r
  20 \r
  21 namespace System.Web.UI.WebControls\r
  22 {\r
  23         [ToolboxItem(false)]\r
  24         public class DataListItem : WebControl, INamingContainer\r
  25         {\r
  26                 int itemIndex;\r
  27                 ListItemType itemType;\r
  28                 object dataItem;\r
  29 \r
  30                 public DataListItem(int itemIndex, ListItemType itemType)\r
  31                 {\r
  32                         this.itemIndex = itemIndex;\r
  33                         this.itemType  = itemType;\r
  34                 }\r
  35 \r
  36                 public virtual object DataItem\r
  37                 {\r
  38                         get\r
  39                         {\r
  40                                 return dataItem;\r
  41                         }\r
  42                         set\r
  43                         {\r
  44                                 dataItem = value;\r
  45                         }\r
  46                 }\r
  47 \r
  48                 public virtual int ItemIndex\r
  49                 {\r
  50                         get\r
  51                         {\r
  52                                 return itemIndex;\r
  53                         }\r
  54                 }\r
  55 \r
  56                 public virtual ListItemType ItemType\r
  57                 {\r
  58                         get\r
  59                         {\r
  60                                 return itemType;\r
  61                         }\r
  62                 }\r
  63 \r
  64                 public virtual void RenderItem (HtmlTextWriter writer, bool extractRows, bool tableLayout)\r
  65                 {\r
  66                         if (extractRows){\r
  67                                 Table tbl = null;\r
  68                                 foreach (Control ctrl in Controls){\r
  69                                         if (ctrl is Table){\r
  70                                                 tbl = (Table) ctrl;\r
  71                                                 break;\r
  72                                         }\r
  73                                 }\r
  74                                 \r
  75                                 if (tbl == null)\r
  76                                         throw new HttpException ("Template table not found!");\r
  77 \r
  78                                 foreach (TableRow row in tbl.Rows)\r
  79                                         row.RenderControl (writer);\r
  80                         } else {\r
  81                                 if (tableLayout)\r
  82                                         RenderContents (writer);\r
  83                                 else\r
  84                                         RenderControl (writer);\r
  85                         }\r
  86 \r
  87                 }\r
  88 \r
  89                 protected override Style CreateControlStyle()\r
  90                 {\r
  91                         return new TableItemStyle();\r
  92                 }\r
  93 \r
  94                 protected override bool OnBubbleEvent(object source, EventArgs e)\r
  95                 {\r
  96                         if(e is CommandEventArgs)\r
  97                         {\r
  98                                 RaiseBubbleEvent(this, new DataListCommandEventArgs(this, source, (CommandEventArgs)e));\r
  99                                 return true;\r
 100                         }\r
 101                         return false;\r
 102                 }\r
 103 \r
 104                 protected internal virtual void SetItemType(ListItemType itemType)\r
 105                 {\r
 106                         if(Enum.IsDefined(typeof(ListItemType), itemType))\r
 107                         {\r
 108                                 this.itemType = itemType;\r
 109                         }\r
 110                 }\r
 111         }\r
 112 }\r