#region License Information
/* HeuristicLab
* Copyright (C) 2002-2019 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;
}
}
}