2 // System.Web.UI.WebControls.XmlDataSourceView
5 // Ben Maurer (bmaurer@users.sourceforge.net)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System
.Collections
;
32 using System
.Collections
.Specialized
;
36 namespace System
.Web
.UI
.WebControls
38 public sealed class XmlDataSourceView
: DataSourceView
43 public XmlDataSourceView (XmlDataSource owner
, string name
)
49 public IEnumerable
Select (DataSourceSelectArguments arguments
)
51 return ExecuteSelect (arguments
);
56 XmlNodeList selected_nodes
= owner
.GetXmlDocument ().SelectNodes (owner
.XPath
!= "" ? owner
.XPath
: "/*/*");
58 nodes
= new ArrayList (selected_nodes
.Count
);
60 foreach (XmlNode node
in selected_nodes
) {
61 if (node
.NodeType
== XmlNodeType
.Element
)
66 protected internal override IEnumerable
ExecuteSelect (DataSourceSelectArguments arguments
)
71 ArrayList list
= new ArrayList ();
72 int max
= arguments
.StartRowIndex
+ (arguments
.MaximumRows
> 0 ? arguments
.MaximumRows
: nodes
.Count
);
73 if (max
> nodes
.Count
) max
= nodes
.Count
;
75 for (int n
= arguments
.StartRowIndex
; n
< max
; n
++)
76 list
.Add (new XmlDataSourceNodeDescriptor ((XmlElement
) nodes
[n
]));
78 if (arguments
.RetrieveTotalRowCount
)
79 arguments
.TotalRowCount
= nodes
.Count
;