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source: trunk/sources/HeuristicLab.Optimization.Views/3.3/RunCollectionComparisonConstraintView.cs @ 5010

Last change on this file since 5010 was 4435, checked in by mkommend, 14 years ago

Adjusted the SetEnabledStateOfControls method in all views, added the Enabled property into the IView interface and adapted the ViewHost, View and ContentView class (ticket #1155).

File size: 4.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Linq;
26using HeuristicLab.Data;
27using HeuristicLab.MainForm;
28
29namespace HeuristicLab.Optimization.Views {
30  [Content(typeof(RunCollectionComparisonConstraint), true)]
31  public partial class RunCollectionComparisonConstraintView : RunCollectionConstraintView {
32    public RunCollectionComparisonConstraintView() {
33      InitializeComponent();
34    }
35
36    public new RunCollectionComparisonConstraint Content {
37      get { return (RunCollectionComparisonConstraint)base.Content; }
38      set { base.Content = value; }
39    }
40
41    protected override void OnContentChanged() {
42      base.OnContentChanged();
43      if (Content == null || Content.ConstraintData == null)
44        this.txtConstraintData.Text = string.Empty;
45      else
46        this.txtConstraintData.Text = Content.ConstraintData.GetValue();
47    }
48
49    protected override void RegisterContentEvents() {
50      base.RegisterContentEvents();
51      Content.ConstraintDataChanged += new EventHandler(Content_ConstraintDataChanged);
52    }
53
54    protected override void DeregisterContentEvents() {
55      base.DeregisterContentEvents();
56      Content.ConstraintDataChanged -= new EventHandler(Content_ConstraintDataChanged);
57    }
58
59    protected override void UpdateColumnComboBox() {
60      this.cmbConstraintColumn.Items.Clear();
61      if (Content.ConstrainedValue != null) {
62        IStringConvertibleMatrix matrix = (IStringConvertibleMatrix)Content.ConstrainedValue;
63        foreach (string columnName in matrix.ColumnNames) {
64          IEnumerable<Type> dataTypes = Content.ConstrainedValue.GetDataType(columnName);
65          if (dataTypes.Count() == 1) {
66            Type dataType = dataTypes.First();
67            if (typeof(IStringConvertibleValue).IsAssignableFrom(dataType) && typeof(IComparable).IsAssignableFrom(dataType))
68              this.cmbConstraintColumn.Items.Add(columnName);
69          }
70        }
71        if (!string.IsNullOrEmpty(Content.ConstraintColumn)) {
72          this.cmbConstraintColumn.SelectedItem = Content.ConstraintColumn;
73          if (Content.ConstraintData != null)
74            txtConstraintData.Text = Content.ConstraintData.GetValue();
75          else
76            this.Content_ConstraintColumnChanged(cmbConstraintColumn, EventArgs.Empty);
77        }
78      }
79    }
80
81    protected override void Content_ConstraintColumnChanged(object sender, EventArgs e) {
82      base.Content_ConstraintColumnChanged(sender, e);
83      this.Content.ConstraintData = (IStringConvertibleValue)Activator.CreateInstance(Content.ConstrainedValue.GetDataType(cmbConstraintColumn.SelectedItem.ToString()).First());
84    }
85
86    protected override void SetEnabledStateOfControls() {
87      base.SetEnabledStateOfControls();
88      txtConstraintData.Enabled = Content != null;
89      txtConstraintData.ReadOnly = ReadOnly;
90    }
91
92    protected virtual void Content_ConstraintDataChanged(object sender, EventArgs e) {
93      if (Content.ConstraintData != null)
94        txtConstraintData.Text = Content.ConstraintData.GetValue();
95      else
96        txtConstraintData.Text = string.Empty;
97    }
98
99    private void txtConstraintData_Validated(object sender, EventArgs e) {
100      IStringConvertibleValue value = (IStringConvertibleValue)Activator.CreateInstance(Content.ConstrainedValue.GetDataType(cmbConstraintColumn.SelectedItem.ToString()).First());
101      value.SetValue(txtConstraintData.Text);
102      Content.ConstraintData = value;
103    }
104
105    private void txtConstraintData_Validating(object sender, CancelEventArgs e) {
106      string errorMessage = string.Empty;
107      if (!Content.ConstraintData.Validate(txtConstraintData.Text, out errorMessage)) {
108        errorProvider.SetError(txtConstraintData, errorMessage);
109        e.Cancel = true;
110      } else
111        errorProvider.Clear();
112    }
113  }
114}
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