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source: branches/OptimizationNetworks/HeuristicLab.Optimization.Networks.Views/3.3/AlgorithmNodeView.cs @ 11452

Last change on this file since 11452 was 11452, checked in by swagner, 9 years ago

#2205: Worked on optimization networks

File size: 5.0 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 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 HeuristicLab.Core.Views;
23using HeuristicLab.MainForm;
24using HeuristicLab.PluginInfrastructure;
25using System;
26using System.Windows.Forms;
27
28namespace HeuristicLab.Optimization.Networks.Views {
29  [View("AlgorithmNode View")]
30  [Content(typeof(AlgorithmNode), true)]
31  [Content(typeof(IAlgorithmNode), false)]
32  public partial class AlgorithmNodeView : EntityView {
33    protected TypeSelectorDialog typeSelectorDialog;
34
35    public new IAlgorithmNode Content {
36      get { return (IAlgorithmNode)base.Content; }
37      set { base.Content = value; }
38    }
39
40    public AlgorithmNodeView() {
41      InitializeComponent();
42    }
43
44    protected override void Dispose(bool disposing) {
45      if (disposing) {
46        if (typeSelectorDialog != null) typeSelectorDialog.Dispose();
47        if (components != null) components.Dispose();
48      }
49      base.Dispose(disposing);
50    }
51
52    protected override void DeregisterContentEvents() {
53      Content.AlgorithmChanged -= Content_AlgorithmChanged;
54      base.DeregisterContentEvents();
55    }
56    protected override void RegisterContentEvents() {
57      base.RegisterContentEvents();
58      Content.AlgorithmChanged += Content_AlgorithmChanged;
59    }
60
61    protected override void OnContentChanged() {
62      base.OnContentChanged();
63      if (Content == null) {
64        portCollectionView.Content = null;
65        algorithmViewHost.Content = null;
66      } else {
67        portCollectionView.Content = Content.Ports;
68        algorithmViewHost.ViewType = null;
69        algorithmViewHost.Content = Content.Algorithm;
70      }
71    }
72
73    protected override void SetEnabledStateOfControls() {
74      base.SetEnabledStateOfControls();
75      portCollectionView.Enabled = Content != null && !ReadOnly;
76      setAlgorithmButton.Enabled = Content != null && !ReadOnly;
77      clearAlgorithmButton.Enabled = Content != null && Content.Algorithm != null && !ReadOnly;
78      algorithmPanel.Enabled = Content != null;
79    }
80
81    protected virtual void Content_AlgorithmChanged(object sender, System.EventArgs e) {
82      if (InvokeRequired)
83        Invoke(new EventHandler(Content_AlgorithmChanged), sender, e);
84      else {
85        clearAlgorithmButton.Enabled = Content.Algorithm != null && !ReadOnly;
86        algorithmViewHost.ViewType = null;
87        algorithmViewHost.Content = Content.Algorithm;
88      }
89    }
90
91    protected virtual void setAlgorithmButton_Click(object sender, EventArgs e) {
92      if (typeSelectorDialog == null) {
93        typeSelectorDialog = new TypeSelectorDialog();
94        typeSelectorDialog.Caption = "Select Algorithm";
95        typeSelectorDialog.TypeSelector.Configure(typeof(IAlgorithm), false, true);
96      }
97      if (typeSelectorDialog.ShowDialog(this) == DialogResult.OK) {
98        try {
99          Content.Algorithm = (IAlgorithm)typeSelectorDialog.TypeSelector.CreateInstanceOfSelectedType();
100        }
101        catch (Exception ex) {
102          ErrorHandling.ShowErrorDialog(this, ex);
103        }
104      }
105    }
106    protected virtual void clearAlgorithmButton_Click(object sender, EventArgs e) {
107      Content.Algorithm = null;
108    }
109    protected virtual void algorithmPanel_DragEnterOver(object sender, DragEventArgs e) {
110      e.Effect = DragDropEffects.None;
111      if (!ReadOnly && (e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) is IAlgorithm)) {
112        if ((e.KeyState & 32) == 32) e.Effect = DragDropEffects.Link;  // ALT key
113        else if ((e.KeyState & 4) == 4) e.Effect = DragDropEffects.Move;  // SHIFT key
114        else if (e.AllowedEffect.HasFlag(DragDropEffects.Copy)) e.Effect = DragDropEffects.Copy;
115        else if (e.AllowedEffect.HasFlag(DragDropEffects.Move)) e.Effect = DragDropEffects.Move;
116        else if (e.AllowedEffect.HasFlag(DragDropEffects.Link)) e.Effect = DragDropEffects.Link;
117      }
118    }
119    protected virtual void algorithmPanel_DragDrop(object sender, DragEventArgs e) {
120      if (e.Effect != DragDropEffects.None) {
121        IAlgorithm alg = e.Data.GetData(HeuristicLab.Common.Constants.DragDropDataFormat) as IAlgorithm;
122        if (e.Effect.HasFlag(DragDropEffects.Copy)) alg = (IAlgorithm)alg.Clone();
123        Content.Algorithm = alg;
124      }
125    }
126  }
127}
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