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source: trunk/HeuristicLab.Data.Views/3.3/TextValueView.cs @ 17072

Last change on this file since 17072 was 16910, checked in by abeham, 5 years ago

#2931: merged to trunk

  • Fixed references in plugins
  • Fixed output path
  • Removed app.config from views plugin
  • Reverted changes to PathValue and FileValue and their respective views
File size: 3.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.MainForm;
26using HeuristicLab.MainForm.WindowsForms;
27
28namespace HeuristicLab.Data.Views {
29  [View("TextValue View")]
30  [Content(typeof(ITextValue), true)]
31  public partial class TextValueView : AsynchronousContentView {
32    public new IStringConvertibleValue Content {
33      get { return (IStringConvertibleValue)base.Content; }
34      set { base.Content = value; }
35    }
36
37    public override bool ReadOnly {
38      get {
39        if ((Content != null) && Content.ReadOnly) return true;
40        return base.ReadOnly;
41      }
42      set { base.ReadOnly = value; }
43    }
44
45    public bool LabelVisible {
46      get { return !splitContainer.Panel1Collapsed; }
47      set { splitContainer.Panel1Collapsed = !value; }
48    }
49
50    public TextValueView() {
51      InitializeComponent();
52      errorProvider.SetIconAlignment(valueTextBox, ErrorIconAlignment.MiddleLeft);
53      errorProvider.SetIconPadding(valueTextBox, 2);
54    }
55
56    protected override void DeregisterContentEvents() {
57      Content.ValueChanged -= new EventHandler(Content_ValueChanged);
58      base.DeregisterContentEvents();
59    }
60
61    protected override void RegisterContentEvents() {
62      base.RegisterContentEvents();
63      Content.ValueChanged += new EventHandler(Content_ValueChanged);
64    }
65
66    protected override void OnContentChanged() {
67      base.OnContentChanged();
68      if (Content == null) {
69        valueTextBox.Text = string.Empty;
70      } else
71        valueTextBox.Text = Content.GetValue();
72    }
73
74    protected override void SetEnabledStateOfControls() {
75      base.SetEnabledStateOfControls();
76      valueTextBox.Enabled = Content != null;
77      valueTextBox.ReadOnly = ReadOnly;
78    }
79
80    protected virtual void Content_ValueChanged(object sender, EventArgs e) {
81      if (InvokeRequired)
82        Invoke(new EventHandler(Content_ValueChanged), sender, e);
83      else
84        valueTextBox.Text = Content.GetValue();
85    }
86
87    protected virtual void valueTextBox_KeyDown(object sender, KeyEventArgs e) {
88      if (e.Shift && (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Return))
89        valueLabel.Select();  // select label to validate data
90
91      if (e.KeyCode == Keys.Escape) {
92        valueTextBox.Text = Content.GetValue();
93        valueLabel.Select();  // select label to validate data
94      }
95    }
96    protected virtual void valueTextBox_Validating(object sender, CancelEventArgs e) {
97      if (ReadOnly) return;
98      string errorMessage;
99      if (!Content.Validate(valueTextBox.Text, out errorMessage)) {
100        e.Cancel = true;
101        errorProvider.SetError(valueTextBox, errorMessage);
102        valueTextBox.SelectAll();
103      }
104    }
105    protected virtual void valueTextBox_Validated(object sender, EventArgs e) {
106      if (ReadOnly) return;
107      if (!Content.ReadOnly) Content.SetValue(valueTextBox.Text);
108      errorProvider.SetError(valueTextBox, string.Empty);
109      valueTextBox.Text = Content.GetValue();
110    }
111  }
112}
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