private void @remove(AvailablePlugin pl)
{
AvailablePlugins.Remove(pl);
pl = null;
}
public void AddPlugin(string FileName)
{
try
{
//Create a new assembly from the plugin file we're adding..
Debug.WriteLine("PluginManager: Loading " + FileName);
Assembly pluginAssembly = Assembly.LoadFrom(FileName);
//Next we'll loop through all the Types found in the assembly
if (pluginAssembly != null) {
int itemcount = 0;
int pluginsfound = 0;
foreach (Type pluginType in pluginAssembly.GetTypes()) {
//Only look at public types
if (pluginType.IsPublic) {
//Only look at non-abstract types
if (!pluginType.IsAbstract) {
//Log.WriteLine(String.Format("PluginManager: Checking Type '{0}' from {1}", pluginType.Name, FileName))
itemcount += 1;
//Gets a type object of the interface we need the plugins to match
Type typeInterface = pluginType.GetInterface(PluginInterface, true);
//Make sure the interface we want to use actually exists
if ((typeInterface != null)) {
//Create a new available plugin since the type implements the IPlugin interface
AvailablePlugin newPlugin = new AvailablePlugin();
//Set the filename where we found it
newPlugin.AssemblyPath = FileName;
//Create a new instance and store the instance in the collection for later use
//We could change this later on to not load an instance.. we have 2 options
//1- Make one instance, and use it whenever we need it.. it's always there
//2- Don't make an instance, and instead make an instance whenever we use it, then close it
//For now we'll just make an instance of all the plugins
try {
newPlugin.Instance = (IPlugin)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
Debug.WriteLine(string.Format("PluginManager: Type Match: '{0}' (from {2}) Implements '{1}'. Creating Plugin...", pluginType.Name, PluginInterface, FileName));
pluginsfound += 1;
//Add the new plugin to our collection here
this.AvailablePlugins.Add(newPlugin);
//Call initialization for the plugin
newPlugin.Instance.Initialize();
GetMenuItemFromString(newPlugin.Instance.MenuItemPath, newPlugin.Instance.ToolStripItem);
//cleanup a bit
newPlugin = null;
} catch (Exception ex) {
newPlugin = null;
Debug.WriteLine("Error: " + ex.ToString());
MessageBox.Show(string.Format("Error Loading Plugin \"{0}\": {1}", FileName, ex));
try {
System.IO.File.Delete(FileName);
} catch (Exception ex2) {
}
}
} else {
}
typeInterface = null;
// Clean up
}
}
}
Debug.WriteLine(string.Format("Scanned {0} Items from {1}, {2} Plugins found.", itemcount, FileName, pluginsfound));
}
if (pluginAssembly == null) {
throw new Exception("Empty Assembly!");
}
pluginAssembly = null;
//more cleanup
}catch (Exception e) {
Debug.WriteLine(e.ToString());
}
}
/// <summary>
/// Remove a Plugin to the collection of available plugins
/// </summary>
/// <param name="pluginToRemove">The Plugin to Remove</param>
public void Remove(AvailablePlugin pluginToRemove)
{
this.List.Remove(pluginToRemove);
pluginToRemove = null;
}
/// <summary>
/// Reads a toolbar file and returns the properties as array (Name,Author,Version,Description,DownloadURL)
/// </summary>
/// <returns>String array (Name,Author,Version,Description, DownloadURL)</returns>
/// <param name="FileName">Filename of the plugin</param>
public string[] GetPluginInfo(string FileName, string InterfaceToFind)
{
if (Hashes.Contains(FileName)) {
return (string[]) Hashes[FileName];
}
string[] ret = null;
try {
Assembly pluginAssembly = Assembly.LoadFrom(FileName);
foreach (Type pluginType in pluginAssembly.GetTypes()) {
if (pluginType.IsPublic) {
if (!pluginType.IsAbstract) {
Type typeInterface = pluginType.GetInterface(InterfaceToFind, true);
if ((typeInterface != null)) {
AvailablePlugin newPlugin = new AvailablePlugin();
newPlugin.AssemblyPath = FileName;
newPlugin.Instance = (IPlugin)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
ret = new string[6];
ret[0] = newPlugin.Instance.Name;
ret[1] = newPlugin.Instance.Author;
ret[2] = newPlugin.Instance.Version;
ret[3] = newPlugin.Instance.Description;
ret[4] = newPlugin.Instance.DownloadURL;
ret[5] = newPlugin.Instance.OriginalFileName;
Hashes[FileName] = ret;
newPlugin.Instance = null;
newPlugin = null;
}
typeInterface = null;
}
}
}
pluginAssembly = null;
} catch (Exception ex) {
ret = null;
}
return ret;
}
//A Simple class to hold some info about our Available Plugins
/// <summary>
/// Add a Plugin to the collection of Available plugins
/// </summary>
/// <param name="pluginToAdd">The Plugin to Add</param>
public void Add(AvailablePlugin pluginToAdd)
{
this.List.Add(pluginToAdd);
}
