source: branches/HeuristicLab.Problems.Orienteering/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolView.cs @ 11185

Last change on this file since 11185 was 11185, checked in by pfleck, 8 years ago

#2208 merged trunk and updated version info

File size: 4.2 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 System;
23using System.ComponentModel;
24using System.Windows.Forms;
25using HeuristicLab.Core.Views;
26using HeuristicLab.MainForm;
27using HeuristicLab.MainForm.WindowsForms;
28
29namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views {
30  [View("Symbol View")]
31  [Content(typeof(ISymbol), true)]
32  public partial class SymbolView : NamedItemView {
33    public new ISymbol Content {
34      get { return (ISymbol)base.Content; }
35      set { base.Content = value; }
36    }
37
38    public SymbolView() {
39      InitializeComponent();
40    }
41
42    protected override void RegisterContentEvents() {
43      base.RegisterContentEvents();
44      Content.Changed += new EventHandler(Content_Changed);
45    }
46
47    protected override void DeregisterContentEvents() {
48      base.DeregisterContentEvents();
49      Content.Changed -= new EventHandler(Content_Changed);
50    }
51
52    protected override void OnContentChanged() {
53      base.OnContentChanged();
54      UpdateControl();
55    }
56
57    protected override void SetEnabledStateOfControls() {
58      base.SetEnabledStateOfControls();
59      initialFrequencyTextBox.Enabled = Content != null && !Locked;
60      initialFrequencyTextBox.ReadOnly = ReadOnly;
61      enabledCheckBox.Enabled = Content != null && !Locked && !ReadOnly;
62    }
63
64    #region content event handlers
65    private void Content_Changed(object sender, EventArgs e) {
66      UpdateControl();
67    }
68    #endregion
69
70    #region control event handlers
71    private void initialFrequencyTextBox_KeyDown(object sender, KeyEventArgs e) {
72      if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
73        initialFrequencyLabel.Select();  // select label to validate data
74
75      if (e.KeyCode == Keys.Escape) {
76        initialFrequencyTextBox.Text = Content.InitialFrequency.ToString();
77        initialFrequencyLabel.Select();  // select label to validate data
78      }
79    }
80    private void initialFrequencyTextBox_Validating(object sender, CancelEventArgs e) {
81      double freq;
82      if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
83        errorProvider.SetError(initialFrequencyTextBox, string.Empty);
84        e.Cancel = false;
85      } else {
86        errorProvider.SetError(initialFrequencyTextBox, "Invalid value");
87        e.Cancel = true;
88      }
89    }
90    private void initialFrequencyTextBox_Validated(object sender, EventArgs e) {
91      double freq;
92      if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
93        Content.InitialFrequency = freq;
94      }
95    }
96
97    private void checkBoxEnabled_CheckedChanged(object sender, EventArgs e) {
98      if (Content != null)
99        Content.Enabled = enabledCheckBox.Checked;
100    }
101    #endregion
102
103    #region helpers
104    private void UpdateControl() {
105      if (Content == null) {
106        initialFrequencyTextBox.Text = string.Empty;
107        minimumArityTextBox.Text = string.Empty;
108        maximumArityTextBox.Text = string.Empty;
109        enabledCheckBox.Checked = false;
110      } else {
111        initialFrequencyTextBox.Text = Content.InitialFrequency.ToString();
112        minimumArityTextBox.Text = Content.MinimumArity.ToString();
113        maximumArityTextBox.Text = Content.MaximumArity.ToString();
114        enabledCheckBox.Checked = Content.Enabled;
115      }
116      SetEnabledStateOfControls();
117    }
118    #endregion
119
120  }
121}
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