#region License Information /* HeuristicLab * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.Linq; using System.Reflection; namespace HeuristicLab.MainForm { [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = false)] public sealed class ContentAttribute : Attribute { public ContentAttribute(Type contentType) { this.contentType = contentType; } public ContentAttribute(Type contentType, bool isDefaultView) : this(contentType) { this.isDefaultView = isDefaultView; } private bool isDefaultView; public bool IsDefaultView { get { return this.isDefaultView; } set { this.isDefaultView = value; } } private Type contentType; public Type ContentType { get { return this.contentType; } } public static bool HasContentAttribute(MemberInfo viewType) { ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false); return attributes.Length != 0; } public static bool CanViewType(MemberInfo viewType, Type content) { ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false); return attributes.Any(a => content.IsAssignableTo(a.contentType)); } internal static IEnumerable GetDefaultViewableTypes(Type viewType) { ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false); return from a in attributes where a.isDefaultView select a.contentType; } internal static IEnumerable GetViewableTypes(Type viewType) { ContentAttribute[] attributes = (ContentAttribute[])viewType.GetCustomAttributes(typeof(ContentAttribute), false); return from a in attributes select a.contentType; } } }