Free cookie consent management tool by TermsFeed Policy Generator

source: branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.Instances.Views/3.4/ProblemInstanceProviderViewGeneric.cs @ 7684

Last change on this file since 7684 was 7684, checked in by sforsten, 12 years ago

#1784:

  • deleted RegressionProblemView
  • deleted of the import button in the DataAnalysisProblemView
  • small changes in the views of the Problems.Instances.Views project
File size: 5.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.IO;
24using System.Linq;
25using System.Windows.Forms;
26using HeuristicLab.Common.Resources;
27using HeuristicLab.MainForm;
28using HeuristicLab.MainForm.WindowsForms;
29using HeuristicLab.PluginInfrastructure;
30
31namespace HeuristicLab.Problems.Instances.Views {
32  [View("ProblemInstanceProviderViewGeneric")]
33  [Content(typeof(IProblemInstanceProvider<>), IsDefaultView = true)]
34  public partial class ProblemInstanceProviderViewGeneric<T> : ProblemInstanceProviderView {
35
36    public new IProblemInstanceProvider<T> Content {
37      get { return (IProblemInstanceProvider<T>)base.Content; }
38      set { base.Content = value; }
39    }
40
41    private IProblemInstanceConsumer<T> GenericConsumer { get { return (IProblemInstanceConsumer<T>)Consumer; } }
42    public IProblemInstanceConsumer consumer;
43    public override IProblemInstanceConsumer Consumer {
44      get { return consumer; }
45      set {
46        consumer = value;
47        SetEnabledStateOfControls();
48      }
49    }
50
51    private IProblemInstanceExporter<T> GenericExporter { get { return (IProblemInstanceExporter<T>)Exporter; } }
52    private IProblemInstanceExporter exporter;
53    public override IProblemInstanceExporter Exporter {
54      get { return exporter; }
55      set {
56        exporter = value;
57        SetEnabledStateOfControls();
58      }
59    }
60
61    public ProblemInstanceProviderViewGeneric() {
62      InitializeComponent();
63      importButton.Text = String.Empty;
64      importButton.Image = VSImageLibrary.Open;
65      toolTip.SetToolTip(importButton, "Import a " + GetProblemType() + " instance from file.");
66      exportButton.Text = String.Empty;
67      exportButton.Image = VSImageLibrary.Save;
68      toolTip.SetToolTip(exportButton, "Export a " + GetProblemType() + " instance to a file.");
69      loadButton.Text = String.Empty;
70      loadButton.Image = VSImageLibrary.RefreshDocument;
71      toolTip.SetToolTip(loadButton, "Load the selected instance.");
72    }
73
74    protected override void OnContentChanged() {
75      base.OnContentChanged();
76      if (Content == null) {
77        instancesComboBox.DataSource = null;
78      } else {
79        instancesComboBox.DisplayMember = "Name";
80        instancesComboBox.DataSource = Content.GetDataDescriptors().ToList();
81      }
82    }
83
84    protected override void SetEnabledStateOfControls() {
85      base.SetEnabledStateOfControls();
86      instancesComboBox.Enabled = !ReadOnly && !Locked && Content != null && GenericConsumer != null;
87      loadButton.Enabled = !ReadOnly && !Locked && Content != null && GenericConsumer != null;
88      exportButton.Enabled = !ReadOnly && !Locked && Content != null && GenericExporter != null;
89      problemInstanceProviderSplitContainer.Panel2Collapsed = !exportButton.Enabled;
90    }
91
92    protected virtual void loadButton_Click(object sender, EventArgs e) {
93      var descriptor = (IDataDescriptor)instancesComboBox.SelectedItem;
94      var instance = Content.LoadData(descriptor);
95      try {
96        GenericConsumer.Load(instance);
97      }
98      catch (Exception ex) {
99        MessageBox.Show(String.Format("This problem does not support loading the instance {0}: {1}", descriptor.Name, Environment.NewLine + ex.Message), "Cannot load instance");
100      }
101    }
102
103    protected virtual void importButton_Click(object sender, EventArgs e) {
104      openFileDialog.FileName = GetProblemType() + " instance";
105      if (openFileDialog.ShowDialog() == DialogResult.OK) {
106        T instance = default(T);
107        try {
108          instance = Content.LoadData(openFileDialog.FileName);
109        }
110        catch (Exception ex) {
111          MessageBox.Show(String.Format("There was an error parsing the file: {0}", Environment.NewLine + ex.Message), "Error while parsing", MessageBoxButtons.OK, MessageBoxIcon.Error);
112          return;
113        }
114        try {
115          GenericConsumer.Load(instance);
116        }
117        catch (Exception ex) {
118          MessageBox.Show(String.Format("This problem does not support loading the instance {0}: {1}", Path.GetFileName(openFileDialog.FileName), Environment.NewLine + ex.Message), "Cannot load instance");
119        }
120      }
121    }
122
123    protected virtual void exportButton_Click(object sender, EventArgs e) {
124      if (saveFileDialog.ShowDialog(this) == DialogResult.OK) {
125        try {
126          Content.SaveData(GenericExporter.Export(), saveFileDialog.FileName);
127        }
128        catch (Exception ex) {
129          ErrorHandling.ShowErrorDialog(this, ex);
130        }
131      }
132    }
133
134    private void comboBox_DataSourceChanged(object sender, EventArgs e) {
135      var comboBox = (ComboBox)sender;
136      if (comboBox.DataSource == null)
137        comboBox.Items.Clear();
138    }
139
140    protected virtual string GetProblemType() {
141      string dataTypeName = typeof(T).Name.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries).Last();
142      if (dataTypeName.EndsWith("Data"))
143        return dataTypeName.Substring(0, dataTypeName.Length - "Data".Length);
144      else return dataTypeName;
145    }
146  }
147}
Note: See TracBrowser for help on using the repository browser.