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source: trunk/sources/HeuristicLab.MainForm/3.3/ContentAttribute.cs @ 4047

Last change on this file since 4047 was 3437, checked in by mkommend, 15 years ago

incremented plugin version HeuristicLab.MainForm and HeuristicLab.MainForm.WindowsForms to 3.3 (ticket #983)

File size: 2.7 KB
RevLine 
[3437]1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Linq;
25using System.Text;
26using System.Reflection;
27
28namespace HeuristicLab.MainForm {
29  [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = false)]
30  public sealed class ContentAttribute : Attribute {
31    public ContentAttribute(Type contentType) {
32      this.contentType = contentType;
33    }
34
35    public ContentAttribute(Type contentType, bool isDefaultView)
36      : this(contentType) {
37      this.isDefaultView = isDefaultView;
38    }
39
40    private bool isDefaultView;
41    public bool IsDefaultView {
42      get { return this.isDefaultView; }
43      set { this.isDefaultView = value; }
44    }
45
46    private Type contentType;
47    public Type ContentType {
48      get { return this.contentType; }
49    }
50
51    public static bool HasContentAttribute(MemberInfo viewType) {
52      ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false);
53      return attributes.Length != 0;
54    }
55
56    public static bool CanViewType(MemberInfo viewType, Type content) {
57      ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false);
58      return attributes.Any(a => content.IsAssignableTo(a.contentType));
59    }
60
61    internal static IEnumerable<Type> GetDefaultViewableTypes(Type viewType) {
62      ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false);
63      return from a in attributes
64             where a.isDefaultView
65             select a.contentType;
66    }
67
68    internal static IEnumerable<Type> GetViewableTypes(Type viewType) {
69      ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false);
70      return from a in attributes
71             select a.contentType;
72    }
73  }
74}
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