mcs/class/System.Web.Mobile/System.Web.UI.MobileControls/ObjectListItem.cs

   1 /**
   2  * Project   : Mono
   3  * Namespace : System.Web.UI.MobileControls
   4  * Class     : ObjectListCommandEventHandler
   5  * Author    : Gaurav Vaish
   6  *
   7  * Copyright : 2003 with Gaurav Vaish, and with
   8  *             Ximian Inc
   9  */
  10
  11 using System;
  12 using System.Web.Mobile;
  13
  14 namespace System.Web.UI.MobileControls
  15 {
  16         public class ObjectListItem : MobileListItem
  17         {
  18                 private ObjectList owner;
  19                 private string[]   fields;
  20                 private bool       dirty = false;
  21
  22                 internal ObjectListItem(ObjectList owner, object dataItem)
  23                                       : base(dataItem, null, null)
  24                 {
  25                         this.owner = owner;
  26                         this.fields = new string[owner.AllFields.Count];
  27                 }
  28
  29                 internal ObjectListItem(ObjectList owner)
  30                                     : this(owner, null)
  31                 {
  32                 }
  33
  34                 public string this[int key]
  35                 {
  36                         get
  37                         {
  38                                 if(fields != null && fields.Length >= key - 1
  39                                    && fields[key] != null)
  40                                         return fields[key];
  41                                 return String.Empty;
  42                         }
  43                         set
  44                         {
  45                                 if(fields != null && fields.Length >= key - 1)
  46                                         fields[key] = value;
  47                                 if(IsTrackingViewState)
  48                                         dirty = true;
  49                         }
  50                 }
  51
  52                 internal bool Dirty
  53                 {
  54                         get
  55                         {
  56                                 return dirty;
  57                         }
  58                         set
  59                         {
  60                                 dirty = value;
  61                         }
  62                 }
  63
  64                 public string this[string fieldName]
  65                 {
  66                         get
  67                         {
  68                                 return this[IndexOf(fieldName)];
  69                         }
  70                         set
  71                         {
  72                                 this[IndexOf(fieldName)] = value;
  73                         }
  74                 }
  75
  76                 [MonoTODO("Exception_Details_Not_Exact")]
  77                 private int IndexOf(string fieldName)
  78                 {
  79                         int index = owner.AllFields.IndexOf(fieldName);
  80                         if(index < 0)
  81                         {
  82                                 throw new ArgumentException("ObjectList_FieldNotFound");
  83                         }
  84                         return index;
  85                 }
  86
  87                 public override bool Equals(object obj)
  88                 {
  89                         bool retVal = false;
  90                         if(obj is ObjectListItem)
  91                         {
  92                                 ObjectListItem oli = (ObjectListItem) obj;
  93                                 if(oli.fields != null && this.fields != null)
  94                                 {
  95                                         if(this.fields.Length == oli.fields.Length)
  96                                         {
  97                                                 int i;
  98                                                 for(i = 0; i < fields.Length; i++)
  99                                                 {
 100                                                         if(fields[i] != oli.fields[i])
 101                                                                 break;
 102                                                 }
 103                                                 if(i == fields.Length)
 104                                                         retVal = true;
 105                                         }
 106                                 }
 107                                 retVal &= (Value == oli.Value);
 108                                 retVal &= (Text == oli.Text);
 109                         }
 110                         return retVal;
 111                 }
 112
 113                 public override int GetHashCode()
 114                 {
 115                         return (fields == null ? Value.GetHashCode() :
 116                                                      fields[0].GetHashCode());
 117                 }
 118         }
 119 }