/// <summary>
/// Finds a plugin in the available Plugins
/// </summary>
/// <param name="pluginNameOrPath">The name or File path of the plugin to find</param>
/// <returns>Available Plugin, or null if the plugin is not found</returns>
public AvailablePlugIn <T> Find(string pluginNameOrPath)
{
AvailablePlugIn <T> r = null;
//Loop through all the plugins
foreach (AvailablePlugIn <T> pluginOn in this.List)
{
//Find the one with the matching name or filename
if (pluginOn.AssemblyPath.Equals(pluginNameOrPath) || pluginOn.AssemblyPath.EndsWith(pluginNameOrPath))
{
r = pluginOn;
break;
}
}
return(r);
}
private void AddPlugin(string FileName)
{
//Create a new assembly from the plugin file we're adding..
Assembly pluginAssembly = Assembly.LoadFrom(FileName);
string tn = typeof(T).FullName;
//Next we'll loop through all the Types found in the assembly
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic) //Only look at public types
{
if (!pluginType.IsAbstract) //Only look at non-abstract types
{
//Gets a type object of the interface we need the plugins to match
Type typeInterface = pluginType.GetInterface(tn, 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 <T> newPlugin = new AvailablePlugIn <T>();
//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
newPlugin.Instance = (T)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
//Add the new plugin to our collection here
this.mAvailablePlugins.Add(newPlugin);
//cleanup a bit
newPlugin = null;
}
typeInterface = null; //Mr. Clean
}
}
}
pluginAssembly = null; //more cleanup
}
/// <summary>
/// Remove a Plugin to the collection of Available plugins
/// </summary>
/// <param name="pluginToRemove">The Plugin to Remove</param>
public void Remove(AvailablePlugIn <T> p)
{
this.List.Remove(p);
}
//A Simple Home-brew 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 <T> p)
{
this.List.Add(p);
}
