2 // System.Web.UI.FileLevelControlBuilder.cs
5 // Arina Itkes (arinai@mainsoft.com)
6 // Marek Habersack <mhabersack@novell.com>
8 // (C) 2007 Mainsoft Co. (http://www.mainsoft.com)
9 // (C) 2009-2010 Novell, Inc (http://novell.com/)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Web.UI.WebControls;
36 namespace System.Web.UI
38 public class FileLevelPageControlBuilder : RootBuilder
40 bool hasContentControls;
41 bool hasLiteralControls;
42 bool hasOtherControls;
44 public FileLevelPageControlBuilder ()
48 public override void AppendLiteralString (string text)
50 bool emptyText = text != null ? text.Trim ().Length == 0 : true;
51 if (hasContentControls && !emptyText)
52 throw new HttpException ("Literal strings cannot be appended to Content pages.");
55 hasLiteralControls = true;
57 base.AppendLiteralString (text);
60 public override void AppendSubBuilder (ControlBuilder subBuilder)
62 if (subBuilder == null) {
63 base.AppendSubBuilder (subBuilder);
67 if (typeof (ContentBuilderInternal).IsAssignableFrom (subBuilder.GetType ())) {
69 throw new HttpException ("Only Content controls are supported on content pages.");
71 hasContentControls = true;
72 if (hasLiteralControls)
73 throw new HttpParseException ("Only Content controls are supported on content pages.");
75 hasOtherControls = true;
77 base.AppendSubBuilder (subBuilder);