source: stable/HeuristicLab.Core.Views/3.3/ItemView.cs @ 15038

Last change on this file since 15038 was 15038, checked in by pfleck, 5 years ago

#2788: merged r14995, r15003

File size: 2.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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.Windows.Forms;
24using HeuristicLab.MainForm.WindowsForms;
25
26namespace HeuristicLab.Core.Views {
27  /// <summary>
28  /// Base class for all visual representations.
29  /// </summary>
30  public partial class ItemView : AsynchronousContentView {
31    public new IItem Content {
32      get { return (IItem)base.Content; }
33      set { base.Content = value; }
34    }
35
36    /// <summary>
37    /// Initializes a new instance of <see cref="ViewBase"/> with the caption "View".
38    /// </summary>
39    public ItemView() {
40      InitializeComponent();
41    }
42
43    protected override void OnInitialized(EventArgs e) {
44      base.OnInitialized(e);
45
46      if (CountParentControls() > Properties.Settings.Default.MaximumNestedControls) {
47        //capture content, needed because it is set at a later time
48        NestingLevelErrorControl errorControl = new NestingLevelErrorControl(() => Content, this.GetType());
49        errorControl.Dock = DockStyle.Fill;
50
51        Controls.Clear();
52        Controls.Add(errorControl);
53      }
54    }
55
56    private int CountParentControls() {
57      int cnt = 0;
58      Control parent = Parent;
59      while (parent != null) {
60        parent = parent.Parent;
61        cnt++;
62      }
63      return cnt;
64    }
65  }
66}
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