/// <summary>
/// Refreshes the plugin store
/// </summary>
/// <returns></returns>
public static PluginStore RefreshPuginStore()
{
IconSet.Clear();
var pluginStore = new PluginStore();
var pluginDirs = Directory.GetDirectories(PluginsDirectory);
var cumulativeFileCount = new int[pluginDirs.Length];
var totalFiles = 0;
for (var i = 0; i < pluginDirs.Length; i++)
{
var currentFileCount = Directory.GetFiles(pluginDirs[i]).Length;
cumulativeFileCount[i] = currentFileCount;
if (i > 0)
cumulativeFileCount[i] = cumulativeFileCount[i] + cumulativeFileCount[i - 1];
totalFiles += currentFileCount;
}
cumulativeFileCount[0] = 0;
// Raise start of plugin store refresh
NotifyOnPluginStoreRefreshStarted();
for (var i = 0; i < pluginDirs.Length; i++)
{
var files = Directory.GetFiles(pluginDirs[i]);
LoadPluginsInDirectory(ref pluginStore, pluginDirs[i], files, totalFiles, cumulativeFileCount[i]);
}
// Save the new plugin store
var xml = new XmlSerializer(typeof(PluginStore));
var storeFile = new StreamWriter(PluginStoreFile);
xml.Serialize(storeFile, pluginStore);
storeFile.Close();
// Raise event that refresh has been completed
NotifyOnPluginStoreRefreshCompleted();
return pluginStore;
}
public MainWindow()
{
InitializeComponent();
_pluginStore = PluginStoreManager.LoadPuginStore();
LoadPluginsList();
}
/// <summary>
/// Inspects assemblies and executables in the specified directory using
/// reflection and searches for controls with the PluginAttribute marked
/// against its type. Updates the plugin store with discovered plugins.
/// </summary>
/// <param name="pluginStore"></param>
/// <param name="directory"></param>
/// <param name="files"></param>
/// <param name="totalFiles"> </param>
/// <param name="currentCumulate"> </param>
private static void LoadPluginsInDirectory(ref PluginStore pluginStore, string directory,
IList<string> files, int totalFiles, int currentCumulate)
{
for (var i = 0; i < files.Count; i++)
{
var file = files[i];
// Process only dll and exe files
if (!file.EndsWith(".dll") && !file.EndsWith(".exe")) continue;
try
{
var asm = Assembly.LoadFile(file);
var types = asm.GetTypes();
foreach (var t in types)
{
if (!t.IsSubclassOf(typeof(Control))) continue;
var pluginAttributes = t.GetCustomAttributes(typeof(PluginAttribute), false);
if (pluginAttributes.Length <= 0) continue;
var pluginAttribute = (PluginAttribute)pluginAttributes[0];
// Check if an icon file is present
var iconFile = Path.Combine(directory, t.Name + ".ico");
if (!File.Exists(iconFile))
iconFile = @"\Resources\Icons\YinYang.ico";
var currentPlugin = new PluginInfo
{
Name = pluginAttribute.Name,
Description = pluginAttribute.Description,
Type = t.FullName,
AssemblyFile = file.Replace(AppDomain.CurrentDomain.BaseDirectory, ""),
InstallPath = directory.Replace(AppDomain.CurrentDomain.BaseDirectory, ""),
Icon = iconFile.Replace(AppDomain.CurrentDomain.BaseDirectory, "")
};
pluginStore.Plugins.Add(currentPlugin);
NotifyOnPluginStoreRefreshProgress(
new PluginStoreRefreshProgressEventArgs(currentPlugin, totalFiles, currentCumulate + i + 1));
}
}
// ReSharper disable EmptyGeneralCatchClause
catch
// ReSharper restore EmptyGeneralCatchClause
{ }
}
}
private void RefreshPluginsButtonClick(object sender, EventArgs e)
{
SetStatusText("Refreshing...", StatusMessageType.Busy);
PluginTabs.UnloadPlugins();
_pluginStore = _refresher.RefreshPluginStore(this);
LoadPluginsList();
}
