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source: trunk/sources/HeuristicLab.Data/3.3/DoubleDataView.cs @ 2546

Last change on this file since 2546 was 2546, checked in by swagner, 14 years ago

Continued work on Optimizer and on adapting all views to the new MainForm concept (#770)

File size: 3.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 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.Collections.Generic;
24using System.ComponentModel;
25using System.Drawing;
26using System.Data;
27using System.Text;
28using System.Windows.Forms;
29using HeuristicLab.Core;
30using HeuristicLab.Core.Views;
31using HeuristicLab.MainForm;
32
33namespace HeuristicLab.Data {
34  /// <summary>
35  /// The visual representation of the class <see cref="DoubleData"/>, symbolizing a double value.
36  /// </summary>
37  [Content(typeof(DoubleData), true)]
38  public partial class DoubleDataView : ItemViewBase {
39    /// <summary>
40    /// Gets or sets the double value to represent visually.
41    /// </summary>
42    /// <remarks>Uses property <see cref="HeuristicLab.Core.ViewBase.Item"/> of base class
43    /// <see cref="ViewBase"/>. No own data storage present.</remarks>
44    public DoubleData DoubleData {
45      get { return (DoubleData)Item; }
46      set { base.Item = value; }
47    }
48
49    /// <summary>
50    /// Initializes a new instance of the class <see cref="DoubleDataView"/>.
51    /// </summary>
52    public DoubleDataView() {
53      InitializeComponent();
54    }
55    /// <summary>
56    /// Initializes a new instance of the class <see cref="DoubleDataView"/> with the given
57    /// <paramref name="doubleData"/>.
58    /// <note type="caution"> No CopyConstructor! <paramref name="doubleData"/> is not copied!</note>
59    /// </summary>
60    /// <param name="doubleData">The double value to represent visually.</param>
61    public DoubleDataView(DoubleData doubleData)
62      : this() {
63      DoubleData = doubleData;
64    }
65
66    /// <summary>
67    /// Removes the eventhandler from the underlying <see cref="DoubleData"/>.
68    /// </summary>
69    /// <remarks>Calls <see cref="HeuristicLab.Core.ViewBase.RemoveItemEvents"/> of base class <see cref="ViewBase"/>.
70    /// </remarks>
71    protected override void RemoveItemEvents() {
72      DoubleData.Changed -= new EventHandler(DoubleData_Changed);
73      base.RemoveItemEvents();
74    }
75    /// <summary>
76    /// Adds an eventhandler to the underlying <see cref="DoubleData"/>.
77    /// </summary>
78    /// <remarks>Calls <see cref="HeuristicLab.Core.ViewBase.AddItemEvents"/> of base class <see cref="ViewBase"/>.
79    /// </remarks>
80    protected override void AddItemEvents() {
81      base.AddItemEvents();
82      DoubleData.Changed += new EventHandler(DoubleData_Changed);
83    }
84
85    /// <summary>
86    /// Updates the controls with the latest double value.
87    /// </summary>
88    protected override void UpdateControls() {
89      base.UpdateControls();
90      if (DoubleData == null) {
91        dataTextBox.Enabled = false;
92      } else {
93        dataTextBox.Enabled = true;
94        dataTextBox.Text = DoubleData.Data.ToString("r");
95      }
96    }
97
98    private void dataTextBox_Validating(object sender, CancelEventArgs e) {
99      e.Cancel = false;
100      try {
101        DoubleData.Data = double.Parse(dataTextBox.Text);
102      }
103      catch (Exception) {
104        dataTextBox.SelectAll();
105        e.Cancel = true;
106      }
107    }
108
109    private void DoubleData_Changed(object sender, EventArgs e) {
110      Refresh();
111    }
112  }
113}
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