/// <summary>
/// Only for use by plugins during IPlugin.Install. Call Plugin.Install instead of this method, since plugins often must perform other initialization actions.
/// Adds the specified plugin to AllPlugins, QuerystringPlugins, CachingSystems, ImageEncoders, and ImageBuilderExtensions, based
/// on which interfaces the instance implements. For ICache and IEncoder, the plugin is inserted at the beginning of CachingSystems and ImageEncoders respectively.
/// To reiterate, plugins may register event handlers and modify settings - thus you should use the plugin's method to uninstall them vs. using this method.
/// Will not register a plugin that is already installed, unless it implements IMultiInstancePlugin.
/// </summary>
/// <param name="plugin"></param>
public void add_plugin(IPlugin plugin)
{
if (!(plugin is IMultiInstancePlugin) && HasPlugin(plugin.GetType()))
{
AcceptIssue(new Issue("An instance of the specified plugin (" + plugin.GetType().ToString() + ") has already been registered.",
"The plugin should implement IMultiInstancePlugin to support multiple instances.", IssueSeverity.Error));
return;
}
AllPlugins.Add(plugin);
if (plugin is IQuerystringPlugin)
{
QuerystringPlugins.Add(plugin as IQuerystringPlugin);
}
if (plugin is IFileExtensionPlugin)
{
FileExtensionPlugins.Add(plugin as IFileExtensionPlugin);
}
if (plugin is ICache)
{
CachingSystems.AddFirst(plugin as ICache);
}
if (plugin is IEncoder)
{
ImageEncoders.AddFirst(plugin as IEncoder);
}
if (plugin is BuilderExtension)
{
ImageBuilderExtensions.Add(plugin as BuilderExtension);
}
if (plugin is IVirtualImageProvider)
{
VirtualProviderPlugins.Add(plugin as IVirtualImageProvider);
}
if (plugin is ISettingsModifier)
{
SettingsModifierPlugins.Add(plugin as ISettingsModifier);
}
if (plugin is ICurrentConfigProvider)
{
ConfigProviders.Add(plugin as ICurrentConfigProvider);
}
if (plugin is ILogManager)
{
LogManager = plugin as ILogManager;
}
if (plugin is ILicensedPlugin || plugin is ILicenseProvider)
{
FireLicensePluginsChange();
}
}
/// <summary>
/// Initializes the List of Plugins by collecting Plugins from the project and given .dll files.
/// </summary>
public PluginManager()
{
string wdir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var lst = Directory.GetFiles(wdir)
.Where(i => new[] { ".dll", ".exe" }.Contains(Path.GetExtension(i)))
.SelectMany(i => Assembly.LoadFrom(i).GetTypes())
.Where(myType => myType.IsClass &&
!myType.IsAbstract &&
myType.GetCustomAttributes(true).Any(i => i.GetType() == typeof(AutoLoadPluginAttribute)) &&
myType.GetInterfaces().Any(i => i == typeof(IPlugin)));
foreach (Type type in lst)
{
AllPlugins.Add((IPlugin)Activator.CreateInstance(type));
}
}
public static void EnablePlugin(PluginPair plugin)
{
var actionKeywords = plugin.Metadata.ActionKeywords;
if (actionKeywords == null || actionKeywords.Count == 0 || actionKeywords[0] == Query.GlobalPluginWildcardSign)
{
GlobalPlugins.Add(plugin);
}
else
{
foreach (var actionkeyword in plugin.Metadata.ActionKeywords)
{
NonGlobalPlugins[actionkeyword] = plugin;
}
}
AllPlugins.Add(plugin);
}
/// <summary>Registers the plugin.</summary>
/// <typeparam name="T"></typeparam>
/// <param name="plugin">The plugin.</param>
/// <returns></returns>
public T RegisterPlugin <T>(T plugin) where T : IHzPlugin
{
// ExecuteEvent += plugin.OnExcecuteAsync;
AllPlugins.Add(plugin);
return(plugin);
}