/// <summary>
/// Gets the plugin by view type.
/// </summary>
public bool GetPluginByViewType(Type viewType, out PluginLogic pluginLogic)
{
if (viewType == null)
{
pluginLogic = null;
return(false);
}
else
{
return(pluginByViewType.TryGetValue(viewType.FullName, out pluginLogic));
}
}
/// <summary>
/// Gets the plugin by code.
/// </summary>
public bool GetPlugin(string pluginCode, out PluginLogic pluginLogic)
{
if (string.IsNullOrEmpty(pluginCode))
{
pluginLogic = null;
return(false);
}
else
{
return(pluginMap.TryGetValue(pluginCode, out pluginLogic));
}
}
/// <summary>
/// Calls the GetUserReports method of the specified plugin.
/// </summary>
public List <MenuItem> GetUserReports(PluginLogic pluginLogic, User user, UserRights userRights)
{
ArgumentNullException.ThrowIfNull(pluginLogic, nameof(pluginLogic));
lock (pluginLock)
{
try
{
return(pluginLogic.GetUserReports(user, userRights));
}
catch (Exception ex)
{
log.WriteError(ex, WebPhrases.ErrorInPlugin, nameof(GetUserReports), pluginLogic.Code);
return(null);
}
}
}
/// <summary>
/// Adds the specified plugin to the lists.
/// </summary>
public void AddPlugin(PluginLogic pluginLogic)
{
ArgumentNullException.ThrowIfNull(pluginLogic, nameof(pluginLogic));
if (pluginMap.ContainsKey(pluginLogic.Code))
{
log.WriteError(Locale.IsRussian ?
"Невозможно добавить плагин с кодом {0}. Он уже существует." :
"Unable to add plugin with code {0}. It already exists.", pluginLogic.Code);
return;
}
plugins.Add(pluginLogic);
pluginMap.Add(pluginLogic.Code, pluginLogic);
if (pluginLogic.ViewSpecs != null)
{
foreach (ViewSpec viewSpec in pluginLogic.ViewSpecs)
{
if (!string.IsNullOrEmpty(viewSpec.TypeCode) && !viewSpecByCode.ContainsKey(viewSpec.TypeCode))
{
viewSpecByCode.Add(viewSpec.TypeCode, viewSpec);
}
if (!string.IsNullOrEmpty(viewSpec.FileExtension))
{
string ext = viewSpec.FileExtension.ToLowerInvariant();
if (!viewSpecByExt.ContainsKey(ext))
{
viewSpecByExt.Add(ext, viewSpec);
}
}
if (viewSpec.ViewType != null && !pluginByViewType.ContainsKey(viewSpec.ViewType.FullName))
{
pluginByViewType.Add(viewSpec.ViewType.FullName, pluginLogic);
}
}
}
}
/// <summary>
/// Gets a new instance of the plugin logic.
/// </summary>
public static bool GetPluginLogic(string directory, string pluginCode, IWebContext webContext,
out PluginLogic pluginLogic, out string message)
{
string fileName = Path.Combine(directory, pluginCode + ".dll");
string typeName = string.Format("Scada.Web.Plugins.{0}.{0}Logic", pluginCode);
try
{
if (File.Exists(fileName))
{
Assembly assembly = Assembly.LoadFrom(fileName);
Type type = assembly.GetType(typeName, true);
pluginLogic = (PluginLogic)Activator.CreateInstance(type, webContext);
message = string.Format(Locale.IsRussian ?
"Плагин {0} {1} загружен из файла {2}" :
"Plugin {0} {1} loaded from file {2}",
pluginCode, assembly.GetName().Version, fileName);
return(true);
}
else
{
pluginLogic = null;
message = string.Format(Locale.IsRussian ?
"Невозможно создать логику плагина {0}. Файл {1} не найден" :
"Unable to create plugin logic {0}. File {1} not found", pluginCode, fileName);
return(false);
}
}
catch (Exception ex)
{
pluginLogic = null;
message = string.Format(Locale.IsRussian ?
"Ошибка при создании логики плагина {0} типа {1} из файла {2}: {3}" :
"Error creating plugin logic {0} of type {1} from file {2}: {3}",
pluginCode, typeName, fileName, ex.Message);
return(false);
}
}