#region License Information /* HeuristicLab * Copyright (C) 2002-2011 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using HeuristicLab.PluginInfrastructure.Manager; namespace HeuristicLab.PluginInfrastructure.Advanced { internal partial class BasicUpdateView : InstallationManagerControl { private BackgroundWorker updatePluginsBackgroundWorker; private const string CheckingPluginsMessage = "Checking for updated plugins..."; private const string NoUpdatesAvailableMessage = "No updates available."; private PluginManager pluginManager; public PluginManager PluginManager { get { return pluginManager; } set { pluginManager = value; } } private InstallationManager installationManager; public InstallationManager InstallationManager { get { return installationManager; } set { installationManager = value; } } public BasicUpdateView() { InitializeComponent(); updatePluginsBackgroundWorker = new BackgroundWorker(); updatePluginsBackgroundWorker.DoWork += new DoWorkEventHandler(updatePluginsBackgroundWorker_DoWork); updatePluginsBackgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(updatePluginsBackgroundWorker_RunWorkerCompleted); } #region event handlers for update plugins backgroundworker void updatePluginsBackgroundWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e) { if (e.Error != null) { StatusView.ShowError("Connection Error", "There was an error while connecting to the server." + Environment.NewLine + "Please check your connection settings and user credentials."); } else if (e.Cancelled) { StatusView.ShowMessage(NoUpdatesAvailableMessage); } StatusView.RemoveMessage(CheckingPluginsMessage); StatusView.HideProgressIndicator(); StatusView.UnlockUI(); } void updatePluginsBackgroundWorker_DoWork(object sender, DoWorkEventArgs e) { IEnumerable installedPlugins = (IEnumerable)e.Argument; var remotePlugins = installationManager.GetRemotePluginList(); // if there is a local plugin with same name and same major and minor version then it's an update var pluginsToUpdate = from remotePlugin in remotePlugins let matchingLocalPlugins = from installedPlugin in installedPlugins where installedPlugin.Name == remotePlugin.Name where installedPlugin.Version.Major == remotePlugin.Version.Major where installedPlugin.Version.Minor == remotePlugin.Version.Minor where IsNewerThan(remotePlugin, installedPlugin) select installedPlugin where matchingLocalPlugins.Count() > 0 select remotePlugin; if (pluginsToUpdate.Count() > 0) { bool cancelled; installationManager.Update(pluginsToUpdate, out cancelled); if (!cancelled) pluginManager.DiscoverAndCheckPlugins(); e.Cancel = false; } else { e.Cancel = true; } } // compares for two plugins with same major and minor version if plugin1 is newer than plugin2 private static bool IsNewerThan(IPluginDescription plugin1, IPluginDescription plugin2) { // newer: build version is higher, or if build version is the same revision is higher return plugin1.Version.Build > plugin2.Version.Build || (plugin1.Version.Build == plugin2.Version.Build && plugin1.Version.Revision > plugin2.Version.Revision); } #endregion private void updateAndInstallButton_Click(object sender, EventArgs e) { var installedPlugins = pluginManager.Plugins.OfType().ToList(); updatePluginsBackgroundWorker.RunWorkerAsync(installedPlugins); StatusView.LockUI(); StatusView.ShowProgressIndicator(); StatusView.RemoveMessage(NoUpdatesAvailableMessage); StatusView.ShowMessage(CheckingPluginsMessage); } } }