private void btnAddFunctionPlugin_Click(object sender, EventArgs e)
{
string pluginName;
string className;
if (dlgPlugin.ShowDialog() != DialogResult.Cancel)
{
//Регистрируем плагин
pluginName = dlgPlugin.FileName;
className = GetNumespaceName(pluginName);
Assembly dll = Assembly.LoadFrom(pluginName);
Type myClass = dll.GetType(className + "." + className);
functionPlugin = (IFunctionPlugin)Activator.CreateInstance(myClass);
//добавляем новую функциональность на форму
Button btn = new Button();
this.Controls.Add(btn);
btn.Name = "btn" + functionPlugin.GetFunctionPluginName();
btn.Tag = creatorList.Count - 1;
btn.Click += btnPlugin_Click;
btn.Width = 196;
btn.Height = 23;
lastBtnPluginPosition.Y += 29;
btn.Location = lastBtnPluginPosition;
btn.FlatStyle = FlatStyle.System;
btn.Text = functionPlugin.GetFunctionPluginName();
btn.Visible = true;
btn.Show();
}
}
/// <summary>
/// Adds a plugin to this Env
/// </summary>
public void AddPlugin(IPlugin plugin)
{
if (plugin == null)
{
throw new ArgumentNullException("plugin");
}
_plugins.Add(plugin);
IFunctionPlugin functionPlugin = plugin as IFunctionPlugin;
if (functionPlugin != null)
{
foreach (KeyValuePair <string, Type> function in functionPlugin.GetFunctions())
{
string functionName = function.Key.ToLowerInvariant();
if (_functionTypes.ContainsKey(functionName))
{
string message = string.Format("Function '{0}' already exists in environment but is added by plugin {1}",
functionName, plugin.GetName());
throw new InvalidOperationException(message);
}
AddFunction(functionName, function.Value);
}
}
}
//Get an AlgoValue of type EmulatedFunction by supplying an external function load context.
public AlgoValue GetEmulatedFuncValue(algoParser.Stat_loadFuncExtContext context)
{
//Attempt to get the text (as array) of the class and function from obj_access.
if (context.particle().Length != 1)
{
Error.Fatal(context, "Import function is invalid, must be in the form \"Class.Function\".");
return(null);
}
string className = context.IDENTIFIER()[1].GetText();
string funcName = context.particle()[0].IDENTIFIER().GetText();
//Attempt to grab the plugin from the plugins manager.
if (!PluginExists(className))
{
Error.Fatal(context, "Plugin name '" + className + "' is invalid or not loaded.");
return(null);
}
IFunctionPlugin classPlugin = GetPlugin(className);
//Does the plugin contain a function with the given name?
if (classPlugin.Functions.FindIndex(x => x.Name == funcName) == -1)
{
Error.Fatal(context, "Plugin '" + className + "' does not contain a function of name '" + funcName + "', so cannot load it.");
return(null);
}
//Return an EmulatedFunction AlgoValue.
return(new AlgoValue()
{
Type = AlgoValueType.EmulatedFunction,
Value = classPlugin.Functions.Find(x => x.Name == funcName)
});
}
