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source: trunk/sources/HeuristicLab.Optimizer/3.3/FileManager.cs @ 6935

Last change on this file since 6935 was 6935, checked in by ascheibe, 11 years ago

#1652 fixed a bug when saving a file in SD or MD mode

File size: 6.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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.Linq;
24using System.Windows.Forms;
25using HeuristicLab.Common;
26using HeuristicLab.MainForm;
27using HeuristicLab.PluginInfrastructure;
28
29namespace HeuristicLab.Optimizer {
30  internal static class FileManager {
31    private static NewItemDialog newItemDialog;
32    private static OpenFileDialog openFileDialog;
33    private static SaveFileDialog saveFileDialog;
34
35    static FileManager() {
36      newItemDialog = null;
37      openFileDialog = null;
38      saveFileDialog = null;
39    }
40
41    public static void New() {
42      if (newItemDialog == null) newItemDialog = new NewItemDialog();
43      if (newItemDialog.ShowDialog() == DialogResult.OK) {
44        IView view = MainFormManager.MainForm.ShowContent(newItemDialog.Item);
45        if (view == null)
46          ErrorHandling.ShowErrorDialog("There is no view for the new item. It cannot be displayed.", new InvalidOperationException("No View Available"));
47      }
48    }
49
50    public static void Open() {
51      if (openFileDialog == null) {
52        openFileDialog = new OpenFileDialog();
53        openFileDialog.Title = "Open Item";
54        openFileDialog.FileName = "Item";
55        openFileDialog.Multiselect = true;
56        openFileDialog.DefaultExt = "hl";
57        openFileDialog.Filter = "HeuristicLab Files|*.hl|All Files|*.*";
58      }
59
60      if (openFileDialog.ShowDialog() == DialogResult.OK) {
61        foreach (string filename in openFileDialog.FileNames) {
62          ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).SetAppStartingCursor();
63          ContentManager.LoadAsync(filename, LoadingCompleted);
64        }
65      }
66    }
67    private static void LoadingCompleted(IStorableContent content, Exception error) {
68      try {
69        if (error != null) throw error;
70        IView view = MainFormManager.MainForm.ShowContent(content);
71        if (view == null)
72          ErrorHandling.ShowErrorDialog("There is no view for the loaded item. It cannot be displayed.", new InvalidOperationException("No View Available"));
73      }
74      catch (Exception ex) {
75        ErrorHandling.ShowErrorDialog((Control)MainFormManager.MainForm, "Cannot open file.", ex);
76      }
77      finally {
78        ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).ResetAppStartingCursor();
79      }
80    }
81
82    public static void Save() {
83      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
84      if (activeView != null) {
85        Save(activeView);
86      }
87    }
88    private static void Save(IContentView view) {
89      IStorableContent content = view.Content as IStorableContent;
90      if (!view.Locked && content != null) {
91        if (string.IsNullOrEmpty(content.Filename))
92          SaveAs(view);
93        else {
94          ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).SetAppStartingCursor();
95          SetEnabledStateOfContentViews(content, false);
96          ContentManager.SaveAsync(content, content.Filename, true, SavingCompleted);
97        }
98      }
99    }
100    public static void SaveAs() {
101      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
102      if (activeView != null) {
103        SaveAs(activeView);
104      }
105    }
106    public static void SaveAs(IContentView view) {
107      IStorableContent content = view.Content as IStorableContent;
108      if (!view.Locked && content != null) {
109        if (saveFileDialog == null) {
110          saveFileDialog = new SaveFileDialog();
111          saveFileDialog.Title = "Save Item";
112          saveFileDialog.DefaultExt = "hl";
113          saveFileDialog.Filter = "Uncompressed HeuristicLab Files|*.hl|HeuristicLab Files|*.hl|All Files|*.*";
114          saveFileDialog.FilterIndex = 2;
115        }
116        saveFileDialog.FileName = string.IsNullOrEmpty(content.Filename) ? "Item" : content.Filename;
117
118        if (saveFileDialog.ShowDialog() == DialogResult.OK) {
119          ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).SetAppStartingCursor();
120          SetEnabledStateOfContentViews(content, false);
121          if (saveFileDialog.FilterIndex == 1) {
122            ContentManager.SaveAsync(content, saveFileDialog.FileName, false, SavingCompleted);
123          } else {
124            ContentManager.SaveAsync(content, saveFileDialog.FileName, true, SavingCompleted);
125          }
126        }
127      }
128    }
129    private static void SavingCompleted(IStorableContent content, Exception error) {
130      try {
131        SetEnabledStateOfContentViews(content, true);
132        if (error != null) throw error;
133        MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>().UpdateTitle();
134      }
135      catch (Exception ex) {
136        ErrorHandling.ShowErrorDialog((Control)MainFormManager.MainForm, "Cannot save file.", ex);
137      }
138      finally {
139        ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).ResetAppStartingCursor();
140      }
141    }
142
143    private static void SetEnabledStateOfContentViews(IStorableContent content, bool enabled) {
144      HeuristicLab.MainForm.WindowsForms.MainForm mainForm = MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>();
145      if (mainForm.InvokeRequired)
146        mainForm.Invoke((Action<IStorableContent, bool>)SetEnabledStateOfContentViews, content, enabled);
147      else {
148        var views = MainFormManager.MainForm.Views.OfType<IContentView>().Where(v => v.Content == content).ToList();
149        views.ForEach(v => v.Enabled = enabled);
150      }
151    }
152  }
153}
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