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source: trunk/sources/HeuristicLab.Optimizer/3.3/FileManager.cs @ 15583

Last change on this file since 15583 was 15583, checked in by swagner, 6 years ago

#2640: Updated year of copyrights in license headers

File size: 6.9 KB
RevLine 
[2790]1#region License Information
2/* HeuristicLab
[15583]3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[2790]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;
[8818]23using System.Collections.Generic;
[9849]24using System.IO;
[2546]25using System.Windows.Forms;
[3483]26using HeuristicLab.Common;
[11012]27using HeuristicLab.Core;
[2546]28using HeuristicLab.MainForm;
[3758]29using HeuristicLab.PluginInfrastructure;
[2546]30
31namespace HeuristicLab.Optimizer {
32  internal static class FileManager {
[2547]33    private static NewItemDialog newItemDialog;
34    private static OpenFileDialog openFileDialog;
35    private static SaveFileDialog saveFileDialog;
[2546]36
[2547]37    static FileManager() {
38      newItemDialog = null;
39      openFileDialog = null;
40      saveFileDialog = null;
41    }
42
[2546]43    public static void New() {
44      if (newItemDialog == null) newItemDialog = new NewItemDialog();
45      if (newItemDialog.ShowDialog() == DialogResult.OK) {
[3557]46        IView view = MainFormManager.MainForm.ShowContent(newItemDialog.Item);
[4245]47        if (view == null)
48          ErrorHandling.ShowErrorDialog("There is no view for the new item. It cannot be displayed.", new InvalidOperationException("No View Available"));
[2546]49      }
50    }
51
52    public static void Open() {
53      if (openFileDialog == null) {
54        openFileDialog = new OpenFileDialog();
55        openFileDialog.Title = "Open Item";
56        openFileDialog.FileName = "Item";
57        openFileDialog.Multiselect = true;
58        openFileDialog.DefaultExt = "hl";
59        openFileDialog.Filter = "HeuristicLab Files|*.hl|All Files|*.*";
60      }
61
62      if (openFileDialog.ShowDialog() == DialogResult.OK) {
[8818]63        OpenFiles(openFileDialog.FileNames);
[2546]64      }
65    }
[8818]66
67    public static void OpenFiles(IEnumerable<string> fileNames) {
68      foreach (string filename in fileNames) {
69        ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).SetAppStartingCursor();
70        ContentManager.LoadAsync(filename, LoadingCompleted);
71      }
72    }
73
[3483]74    private static void LoadingCompleted(IStorableContent content, Exception error) {
75      try {
76        if (error != null) throw error;
[4245]77        IView view = MainFormManager.MainForm.ShowContent(content);
78        if (view == null)
79          ErrorHandling.ShowErrorDialog("There is no view for the loaded item. It cannot be displayed.", new InvalidOperationException("No View Available"));
[3483]80      }
81      catch (Exception ex) {
[3758]82        ErrorHandling.ShowErrorDialog((Control)MainFormManager.MainForm, "Cannot open file.", ex);
[3483]83      }
84      finally {
[6827]85        ((MainForm.WindowsForms.MainForm)MainFormManager.MainForm).ResetAppStartingCursor();
[3483]86      }
87    }
[2546]88
89    public static void Save() {
[2713]90      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
[2960]91      if (activeView != null) {
[2547]92        Save(activeView);
[2546]93      }
94    }
[2713]95    private static void Save(IContentView view) {
[3483]96      IStorableContent content = view.Content as IStorableContent;
[4245]97      if (!view.Locked && content != null) {
[3483]98        if (string.IsNullOrEmpty(content.Filename))
[2961]99          SaveAs(view);
[3483]100        else {
[9849]101          MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>().SetAppStartingCursor();
[9851]102          SetSaveOperationProgressInContentViews(content, true);
[3483]103          ContentManager.SaveAsync(content, content.Filename, true, SavingCompleted);
[2961]104        }
[2546]105      }
106    }
107    public static void SaveAs() {
[2713]108      IContentView activeView = MainFormManager.MainForm.ActiveView as IContentView;
[2960]109      if (activeView != null) {
[2547]110        SaveAs(activeView);
[2546]111      }
112    }
[2713]113    public static void SaveAs(IContentView view) {
[3483]114      IStorableContent content = view.Content as IStorableContent;
[4245]115      if (!view.Locked && content != null) {
[2961]116        if (saveFileDialog == null) {
117          saveFileDialog = new SaveFileDialog();
118          saveFileDialog.Title = "Save Item";
119          saveFileDialog.DefaultExt = "hl";
120          saveFileDialog.Filter = "Uncompressed HeuristicLab Files|*.hl|HeuristicLab Files|*.hl|All Files|*.*";
121          saveFileDialog.FilterIndex = 2;
122        }
[2546]123
[11012]124        INamedItem namedItem = content as INamedItem;
125        string suggestedFileName = string.Empty;
126        if (!string.IsNullOrEmpty(content.Filename)) suggestedFileName = content.Filename;
127        else if (namedItem != null) suggestedFileName = namedItem.Name;
128        else suggestedFileName = "Item";
129
130        saveFileDialog.FileName = suggestedFileName;
131
[2961]132        if (saveFileDialog.ShowDialog() == DialogResult.OK) {
[9849]133          MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>().SetAppStartingCursor();
[9851]134          SetSaveOperationProgressInContentViews(content, true, saveFileDialog.FileName);
[2961]135          if (saveFileDialog.FilterIndex == 1) {
[3483]136            ContentManager.SaveAsync(content, saveFileDialog.FileName, false, SavingCompleted);
[2961]137          } else {
[3483]138            ContentManager.SaveAsync(content, saveFileDialog.FileName, true, SavingCompleted);
[2961]139          }
140        }
[2546]141      }
142    }
[3483]143    private static void SavingCompleted(IStorableContent content, Exception error) {
144      try {
145        if (error != null) throw error;
[6935]146        MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>().UpdateTitle();
[3483]147      }
148      catch (Exception ex) {
[3758]149        ErrorHandling.ShowErrorDialog((Control)MainFormManager.MainForm, "Cannot save file.", ex);
[3483]150      }
151      finally {
[9851]152        SetSaveOperationProgressInContentViews(content, false);
[9849]153        MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>().ResetAppStartingCursor();
[3483]154      }
[2547]155    }
[4435]156
[9851]157    private static void SetSaveOperationProgressInContentViews(IStorableContent content, bool showProgress, string fileName = null) {
[6935]158      HeuristicLab.MainForm.WindowsForms.MainForm mainForm = MainFormManager.GetMainForm<HeuristicLab.MainForm.WindowsForms.MainForm>();
[8587]159      #region Mono Compatibility
160      // removed the InvokeRequired check because of Mono
161      mainForm.Invoke((Action)delegate {
[9851]162        if (showProgress) {
[9901]163          mainForm.AddOperationProgressToContent(content, string.Format("Saving to file \"{0}\"...", Path.GetFileName(fileName ?? content.Filename)));
[9851]164        } else
[9849]165          mainForm.RemoveOperationProgressFromContent(content);
[8587]166      });
167      #endregion
[4435]168    }
[2546]169  }
170}
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