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

   1
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining
   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 /**
  23  * Namespace: System.Web.UI.WebControls
  24  * Class:     DataListItem
  25  *
  26  * Authors:  Gaurav Vaish, Gonzalo Paniagua (gonzalo@ximian.com)
  27  * Maintainer: gvaish@iitk.ac.in
  28  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
  29  * Implementation: yes
  30  * Status:  100%
  31  *
  32  * (C) Gaurav Vaish (2002)
  33  * (c) 2002 Ximian, Inc. (http://www.ximian.com)
  34  */
  35
  36 using System;
  37 using System.Collections;
  38 using System.Web;
  39 using System.Web.UI;
  40 using System.ComponentModel;
  41
  42 namespace System.Web.UI.WebControls
  43 {
  44         [ToolboxItem(false)]
  45         public class DataListItem : WebControl, INamingContainer
  46         {
  47                 int itemIndex;
  48                 ListItemType itemType;
  49                 object dataItem;
  50
  51                 public DataListItem(int itemIndex, ListItemType itemType)
  52                 {
  53                         this.itemIndex = itemIndex;
  54                         this.itemType  = itemType;
  55                 }
  56
  57                 public virtual object DataItem
  58                 {
  59                         get
  60                         {
  61                                 return dataItem;
  62                         }
  63                         set
  64                         {
  65                                 dataItem = value;
  66                         }
  67                 }
  68
  69                 public virtual int ItemIndex
  70                 {
  71                         get
  72                         {
  73                                 return itemIndex;
  74                         }
  75                 }
  76
  77                 public virtual ListItemType ItemType
  78                 {
  79                         get
  80                         {
  81                                 return itemType;
  82                         }
  83                 }
  84
  85                 public virtual void RenderItem (HtmlTextWriter writer, bool extractRows, bool tableLayout)
  86                 {
  87                         if (extractRows){
  88                                 Table tbl = null;
  89                                 foreach (Control ctrl in Controls){
  90                                         if (ctrl is Table){
  91                                                 tbl = (Table) ctrl;
  92                                                 break;
  93                                         }
  94                                 }
  95
  96                                 if (tbl == null)
  97                                         throw new HttpException ("Template table not found!");
  98
  99                                 foreach (TableRow row in tbl.Rows)
 100                                         row.RenderControl (writer);
 101                         } else {
 102                                 if (tableLayout)
 103                                         RenderContents (writer);
 104                                 else
 105                                         RenderControl (writer);
 106                         }
 107
 108                 }
 109
 110                 protected override Style CreateControlStyle()
 111                 {
 112                         return new TableItemStyle();
 113                 }
 114
 115                 protected override bool OnBubbleEvent(object source, EventArgs e)
 116                 {
 117                         if(e is CommandEventArgs)
 118                         {
 119                                 RaiseBubbleEvent(this, new DataListCommandEventArgs(this, source, (CommandEventArgs)e));
 120                                 return true;
 121                         }
 122                         return false;
 123                 }
 124
 125                 protected internal virtual void SetItemType(ListItemType itemType)
 126                 {
 127                         if(Enum.IsDefined(typeof(ListItemType), itemType))
 128                         {
 129                                 this.itemType = itemType;
 130                         }
 131                 }
 132         }
 133 }