mcs/class/Managed.Windows.Forms/System.Windows.Forms/HtmlElementCollection.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining\r
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   9 // The above copyright notice and this permission notice shall be\r
  10 // included in all copies or substantial portions of the Software.\r
  11 // \r
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
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  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  19 //\r
  20 // Copyright (c) 2007, 2008 Novell, Inc.\r
  21 //\r
  22 // Authors:\r
  23 //      Andreia Gaita   <avidigal@novell.com>\r
  24 \r
  25 \r
  26 using System;\r
  27 using System.Collections;\r
  28 using System.Collections.Generic;\r
  29 using Mono.WebBrowser.DOM;\r
  30 \r
  31 namespace System.Windows.Forms\r
  32 {\r
  33         public sealed class HtmlElementCollection: ICollection, IEnumerable\r
  34         {\r
  35                 private List<HtmlElement> elements;\r
  36                 private Mono.WebBrowser.IWebBrowser webHost;\r
  37                 private WebBrowser owner;\r
  38 \r
  39                 internal HtmlElementCollection (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost, IElementCollection col)\r
  40                 {\r
  41                         elements = new List<HtmlElement>();\r
  42                         foreach (IElement elem in col) {\r
  43                                 elements.Add (new HtmlElement (owner, webHost, elem));\r
  44                         }\r
  45                         this.webHost = webHost;\r
  46                         this.owner = owner;\r
  47                 }\r
  48 \r
  49                 private HtmlElementCollection (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost, List<HtmlElement> elems)\r
  50                 {\r
  51                         elements = elems;\r
  52                         this.webHost = webHost;\r
  53                         this.owner = owner;\r
  54                 }\r
  55 \r
  56                 public int Count\r
  57                 {\r
  58                         get { \r
  59                                 return elements.Count;\r
  60                         }\r
  61                 }\r
  62 \r
  63                 public HtmlElement this[string elementId]\r
  64                 {\r
  65                         get {\r
  66                                 foreach (HtmlElement element in elements) {\r
  67                                         if (element.Id.Equals (elementId))\r
  68                                                 return element;\r
  69                                 }\r
  70                                 return null;\r
  71                         }\r
  72                 }\r
  73 \r
  74                 public HtmlElement this[int index]\r
  75                 {\r
  76                         get {\r
  77                                 if (index > elements.Count || index < 0)\r
  78                                         return null;\r
  79                                 return elements[index];\r
  80                         }\r
  81                 }\r
  82 \r
  83                 public HtmlElementCollection GetElementsByName (string name)\r
  84                 {\r
  85                         List<HtmlElement> elems = new List<HtmlElement>();\r
  86 \r
  87                         foreach (HtmlElement elem in elements) {\r
  88                                 if (elem.HasAttribute ("name") && elem.GetAttribute ("name").Equals (name)) {\r
  89                                         elems.Add (new HtmlElement (owner, webHost, elem.element));\r
  90                                 }\r
  91                         }\r
  92                         return new HtmlElementCollection (owner, webHost, elems);\r
  93                 }\r
  94 \r
  95                 \r
  96                 public IEnumerator GetEnumerator ()\r
  97                 {\r
  98                         return elements.GetEnumerator ();\r
  99                 }\r
 100 \r
 101                 void ICollection.CopyTo (Array dest, int index)\r
 102                 {\r
 103                         elements.CopyTo (dest as HtmlElement[], index);\r
 104                 }\r
 105 \r
 106                 object ICollection.SyncRoot\r
 107                 {\r
 108                         get { return this; }\r
 109                 }\r
 110 \r
 111                 bool ICollection.IsSynchronized\r
 112                 {\r
 113                         get { return false; }\r
 114                 }\r
 115         }\r
 116 }\r