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source: trunk/sources/HeuristicLab.PluginInfrastructure/3.3/Starter/StarterForm.cs @ 12105

Last change on this file since 12105 was 12012, checked in by ascheibe, 10 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 13.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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.IO;
25using System.Linq;
26using System.Threading;
27using System.Threading.Tasks;
28using System.Windows.Forms;
29using HeuristicLab.PluginInfrastructure.Advanced;
30using HeuristicLab.PluginInfrastructure.Manager;
31
32namespace HeuristicLab.PluginInfrastructure.Starter {
33  /// <summary>
34  /// The starter form is responsible for initializing the plugin infrastructure
35  /// and shows a list of installed applications.
36  /// </summary>
37  public partial class StarterForm : Form {
38    private const string pluginManagerItemName = "Plugin Manager";
39    private const string updatePluginsItemName = "Updates Available";
40    private const string optimizerItemName = "Optimizer";
41
42    private readonly ICommandLineArgument[] arguments;
43
44    private ListViewItem pluginManagerListViewItem;
45    private bool abortRequested;
46    private PluginManager pluginManager;
47    private SplashScreen splashScreen;
48    private bool updatesAvailable = false;
49
50    /// <summary>
51    /// Initializes an instance of the starter form.
52    /// The starter form shows a splashscreen and initializes the plugin infrastructure.
53    /// </summary>
54    public StarterForm()
55      : base() {
56      InitializeComponent();
57      largeImageList.Images.Add(HeuristicLab.PluginInfrastructure.Resources.HeuristicLab.ToBitmap());
58      largeImageList.Images.Add(HeuristicLab.PluginInfrastructure.Resources.UpdateAvailable.ToBitmap());
59      smallImageList.Images.Add(HeuristicLab.PluginInfrastructure.Resources.HeuristicLab.ToBitmap());
60      smallImageList.Images.Add(HeuristicLab.PluginInfrastructure.Resources.UpdateAvailable.ToBitmap());
61      Text = "HeuristicLab " + AssemblyHelpers.GetFileVersion(GetType().Assembly);
62
63      string pluginPath = Path.GetFullPath(Application.StartupPath);
64      pluginManager = new PluginManager(pluginPath);
65      splashScreen = new SplashScreen(pluginManager, 1000);
66      splashScreen.VisibleChanged += new EventHandler(splashScreen_VisibleChanged);
67      splashScreen.Show(this, "Loading HeuristicLab...");
68
69      pluginManager.DiscoverAndCheckPlugins();
70      UpdateApplicationsList();
71
72      CheckUpdatesAvailableAsync();
73    }
74
75    /// <summary>
76    /// Creates a new StarterForm and passes the arguments in <paramref name="args"/>.
77    /// </summary>
78    /// <param name="args">The arguments that should be processed</param>
79    public StarterForm(string[] args)
80      : this() {
81      arguments = CommandLineArgumentHandling.GetArguments(args);
82    }
83
84    protected override void SetVisibleCore(bool value) {
85      value &= !(arguments.OfType<HideStarterArgument>().Any() || arguments.OfType<OpenArgument>().Any());
86      if (!value) HandleArguments();
87      base.SetVisibleCore(value);
88    }
89
90    #region Events
91    private void StarterForm_Load(object sender, EventArgs e) {
92      HandleArguments();
93    }
94
95    private void StarterForm_FormClosing(object sender, FormClosingEventArgs e) {
96      splashScreen.Close();
97      abortRequested = true;
98    }
99
100    private void applicationsListView_SelectedIndexChanged(object sender, EventArgs e) {
101      startButton.Enabled = applicationsListView.SelectedItems.Count > 0;
102    }
103
104    private void applicationsListView_ItemActivate(object sender, EventArgs e) {
105      if (applicationsListView.SelectedItems.Count > 0) {
106        ListViewItem selected = applicationsListView.SelectedItems[0];
107        if (selected.Text == pluginManagerItemName) {
108          if (pluginManager.Plugins.Any(x => x.PluginState == PluginState.Loaded)) {
109            MessageBox.Show("Installation Manager cannot be started while another HeuristicLab application is active." + Environment.NewLine +
110              "Please stop all active HeuristicLab applications and try again.", "Plugin Manager",
111              MessageBoxButtons.OK, MessageBoxIcon.Information);
112          } else {
113            try {
114              Cursor = Cursors.AppStarting;
115              using (InstallationManagerForm form = new InstallationManagerForm(pluginManager)) {
116                form.ShowDialog(this);
117              }
118              UpdateApplicationsList();
119            }
120            finally {
121              Cursor = Cursors.Arrow;
122            }
123          }
124        } else if (selected.Text == updatePluginsItemName) {
125          if (pluginManager.Plugins.Any(x => x.PluginState == PluginState.Loaded)) {
126            MessageBox.Show("Updating is not possible while another HeuristicLab application is active." + Environment.NewLine +
127              "Please stop all active HeuristicLab applications and try again.", "Update plugins",
128              MessageBoxButtons.OK, MessageBoxIcon.Information);
129          } else {
130            try {
131              Cursor = Cursors.AppStarting;
132              using (PluginUpdaterForm form = new PluginUpdaterForm(pluginManager)) {
133                form.ShowDialog(this);
134              }
135              updatesAvailable = false;
136              CheckUpdatesAvailableAsync();
137              UpdateApplicationsList();
138            }
139            finally {
140              Cursor = Cursors.Arrow;
141            }
142          }
143        } else {
144          ApplicationDescription app = (ApplicationDescription)applicationsListView.SelectedItems[0].Tag;
145          StartApplication(app, arguments);
146        }
147      }
148    }
149
150    private void largeIconsButton_Click(object sender, EventArgs e) {
151      applicationsListView.View = View.LargeIcon;
152    }
153
154    private void detailsButton_Click(object sender, EventArgs e) {
155      applicationsListView.View = View.Details;
156      foreach (ColumnHeader column in applicationsListView.Columns) {
157        if (applicationsListView.Items.Count > 0)
158          column.AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
159        else column.AutoResize(ColumnHeaderAutoResizeStyle.HeaderSize);
160      }
161    }
162
163    private void aboutButton_Click(object sender, EventArgs e) {
164      List<IPluginDescription> plugins = new List<IPluginDescription>(pluginManager.Plugins.OfType<IPluginDescription>());
165      using (var dialog = new AboutDialog(plugins)) {
166        dialog.ShowDialog();
167      }
168    }
169
170    private void splashScreen_VisibleChanged(object sender, EventArgs e) {
171      // close hidden starter form
172      if (!splashScreen.Visible && arguments != null &&
173           (arguments.OfType<HideStarterArgument>().Any() || arguments.OfType<OpenArgument>().Any()))
174        Close();
175    }
176    #endregion
177
178    #region Helpers
179    private void UpdateApplicationsList() {
180      if (InvokeRequired) Invoke((Action)UpdateApplicationsList);
181      else {
182        applicationsListView.Items.Clear();
183        AddPluginManagerItem();
184        AddUpdatePluginsItem();
185
186        foreach (ApplicationDescription info in pluginManager.Applications) {
187          ListViewItem item = new ListViewItem(info.Name, 0);
188          item.Tag = info;
189          item.Group = applicationsListView.Groups["Applications"];
190          item.SubItems.Add(new ListViewItem.ListViewSubItem(item, info.Version.ToString()));
191          item.SubItems.Add(new ListViewItem.ListViewSubItem(item, info.Description));
192          item.ToolTipText = info.Description;
193          applicationsListView.Items.Add(item);
194        }
195        foreach (ColumnHeader column in applicationsListView.Columns) {
196          if (applicationsListView.Items.Count > 0)
197            column.AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
198          else column.AutoResize(ColumnHeaderAutoResizeStyle.HeaderSize);
199        }
200      }
201    }
202
203    private void AddPluginManagerItem() {
204      pluginManagerListViewItem = new ListViewItem(pluginManagerItemName, 0);
205      pluginManagerListViewItem.Group = applicationsListView.Groups["Plugin Management"];
206      pluginManagerListViewItem.SubItems.Add(new ListViewItem.ListViewSubItem(pluginManagerListViewItem, AssemblyHelpers.GetFileVersion(GetType().Assembly)));
207      pluginManagerListViewItem.SubItems.Add(new ListViewItem.ListViewSubItem(pluginManagerListViewItem, "Install, upgrade or delete plugins"));
208      pluginManagerListViewItem.ToolTipText = "Install, upgrade or delete plugins";
209
210      applicationsListView.Items.Add(pluginManagerListViewItem);
211    }
212
213    private void AddUpdatePluginsItem() {
214      if (updatesAvailable) {
215        var updateListViewItem = new ListViewItem(updatePluginsItemName, 1);
216        updateListViewItem.Group = applicationsListView.Groups["Plugin Management"];
217        updateListViewItem.SubItems.Add(new ListViewItem.ListViewSubItem(updateListViewItem, ""));
218        updateListViewItem.SubItems.Add(new ListViewItem.ListViewSubItem(updateListViewItem, "Download and install updates"));
219        updateListViewItem.ToolTipText = "Download and install updates";
220
221        applicationsListView.Items.Add(updateListViewItem);
222      }
223    }
224
225    private void CheckUpdatesAvailableAsync() {
226      string pluginPath = Path.GetFullPath(Application.StartupPath);
227      var task = Task.Factory.StartNew<bool>(() => {
228        var installationManager = new InstallationManager(pluginPath);
229        IEnumerable<IPluginDescription> installedPlugins = pluginManager.Plugins.OfType<IPluginDescription>();
230        var remotePlugins = installationManager.GetRemotePluginList();
231        // if there is a local plugin with same name and same major and minor version then it's an update
232        var pluginsToUpdate = from remotePlugin in remotePlugins
233                              let matchingLocalPlugins = from installedPlugin in installedPlugins
234                                                         where installedPlugin.Name == remotePlugin.Name
235                                                         where installedPlugin.Version.Major == remotePlugin.Version.Major
236                                                         where installedPlugin.Version.Minor == remotePlugin.Version.Minor
237                                                         where Util.IsNewerThan(remotePlugin, installedPlugin)
238                                                         select installedPlugin
239                              where matchingLocalPlugins.Count() > 0
240                              select remotePlugin;
241        return pluginsToUpdate.Count() > 0;
242      });
243      task.ContinueWith(t => {
244        try {
245          t.Wait();
246          updatesAvailable = t.Result;
247          UpdateApplicationsList();
248        }
249        catch (AggregateException ae) {
250          ae.Handle(ex => {
251            if (ex is InstallationManagerException) {
252              // this is expected when no internet connection is available => do nothing
253              return true;
254            } else {
255              return false;
256            }
257          });
258        }
259      });
260    }
261
262    private void HandleArguments() {
263      try {
264        if (arguments.OfType<OpenArgument>().Any() && !arguments.OfType<StartArgument>().Any()) {
265          InitiateApplicationStart(optimizerItemName);
266        }
267        foreach (var argument in arguments) {
268          if (argument is StartArgument) {
269            var arg = (StartArgument)argument;
270            InitiateApplicationStart(arg.Value);
271          }
272        }
273      }
274      catch (AggregateException ex) {
275        ErrorHandling.ShowErrorDialog(this, "One or more errors occurred while initializing the application.", ex);
276      }
277    }
278
279    private void InitiateApplicationStart(string appName) {
280      var appDesc = (from desc in pluginManager.Applications
281                     where desc.Name.Equals(appName)
282                     select desc).SingleOrDefault();
283      if (appDesc != null) {
284        StartApplication(appDesc, arguments);
285      } else {
286        MessageBox.Show("Cannot start application " + appName + ".",
287                        "HeuristicLab",
288                        MessageBoxButtons.OK,
289                        MessageBoxIcon.Warning);
290      }
291    }
292
293    private void StartApplication(ApplicationDescription app, ICommandLineArgument[] args) {
294      splashScreen.Show("Loading " + app.Name);
295      Thread t = new Thread(delegate() {
296        bool stopped = false;
297        do {
298          try {
299            if (!abortRequested) {
300              pluginManager.Run(app, args);
301            }
302            stopped = true;
303          }
304          catch (Exception ex) {
305            stopped = false;
306            ThreadPool.QueueUserWorkItem(delegate(object exception) { ErrorHandling.ShowErrorDialog(this, (Exception)exception); }, ex);
307            Thread.Sleep(5000); // sleep 5 seconds before autorestart
308          }
309        } while (!abortRequested && !stopped && app.AutoRestart);
310      });
311      t.SetApartmentState(ApartmentState.STA); // needed for the AdvancedOptimizationFrontent
312      t.Start();
313    }
314    #endregion
315  }
316}
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