#region License Information /* HeuristicLab * Copyright (C) 2002-2014 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.Windows.Forms; using HeuristicLab.MainForm.WindowsForms; namespace HeuristicLab.Core.Views { /// /// Base class for all visual representations. /// public partial class ItemView : AsynchronousContentView { public const int MaximumNestingLevel = 37; public new IItem Content { get { return (IItem)base.Content; } set { base.Content = value; } } /// /// Initializes a new instance of with the caption "View". /// public ItemView() { InitializeComponent(); } protected override void OnInitialized(EventArgs e) { base.OnInitialized(e); if (CountParentControls() > MaximumNestingLevel) { //capture content, needed because it is set at a later time NestingLevelErrorControl errorControl = new NestingLevelErrorControl(() => Content, this.GetType()); errorControl.Dock = DockStyle.Fill; Controls.Clear(); Controls.Add(errorControl); } } private int CountParentControls() { int cnt = 0; Control parent = Parent; while (parent != null) { parent = parent.Parent; cnt++; } return cnt; } } }