2 // System.Web.UI.CssStyleCollection.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Gonzalo Paniagua (gonzalo@ximian.com)
8 // (C) 2002 Ximian, Inc. (http://www.ximian.com)
9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
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.
32 using System.Collections;
35 namespace System.Web.UI {
37 public sealed class CssStyleCollection
43 internal CssStyleCollection (StateBag bag)
47 last_string = (string) bag ["style"];
48 style = new StateBag ();
49 if (last_string != null)
50 FillStyle (last_string);
54 void FillStyle (string s)
56 int mark = s.IndexOf (':');
59 string key = s.Substring (0, mark). Trim ();
60 if (mark + 1 > s.Length)
63 string fullValue = s.Substring (mark + 1);
67 mark = fullValue.IndexOf (';');
70 value = fullValue.Trim ();
72 value = fullValue.Substring (0, mark).Trim ();
74 style.Add (key, value);
75 if (mark + 1 > fullValue.Length)
77 FillStyle (fullValue.Substring (mark + 1));
82 if (last_string != null)
85 StringBuilder sb = new StringBuilder ();
86 foreach (string key in Keys)
87 sb.AppendFormat ("{0}: {1};", key, style [key]);
89 last_string = sb.ToString ();
97 throw new NullReferenceException ();
102 public string this [string key] {
104 return style [key] as string;
112 public ICollection Keys {
113 get { return style.Keys; }
116 public void Add (string key, string value)
119 style = new StateBag ();
122 bag ["style"] = BagToString ();
130 void Add (HtmlTextWriterStyle key, string value)
132 Add (HtmlTextWriter.StaticGetStyleName (key), value);
140 bag.Remove ("style");
143 public void Remove (string key)
148 bag ["style"] = BagToString ();
151 public string this [HtmlTextWriterStyle key] {
153 return style [HtmlTextWriter.StaticGetStyleName (key)] as string;
156 Add (HtmlTextWriter.StaticGetStyleName (key), value);
160 public void Remove (HtmlTextWriterStyle key)
162 Remove (HtmlTextWriter.StaticGetStyleName (key));
170 get { return BagToString (); }
173 style = new StateBag ();
176 bag ["style"] = value;