//#region Lien quan den plugin
private String[] InstallPluginDLLs(PluginTrustLevel trustLevel)
{
// File dialog
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Plugin Files (*.dll)|*.dll";
dialog.FilterIndex = 1;
dialog.RestoreDirectory = true;
String copyToPath;
if (trustLevel == PluginTrustLevel.Full)
{
copyToPath = PluginManager.FullTrustPath;
dialog.Title = "Select Plugin DLL to Install Fully-Trusted";
}
else
{
copyToPath = PluginManager.SemiTrustPath;
dialog.Title = "Select Plugin DLL to Install Semi-Trusted";
}
dialog.Multiselect = true;
ArrayList list = new ArrayList();
DialogResult ret = STAShowDialog(dialog);
if (ret == DialogResult.OK)
{
foreach (String dll in dialog.FileNames)
{
String name = Path.GetFileName(dll);
if (!PluginAlreadyInstalled(name))
{
try
{
File.Copy(dll, Path.Combine(copyToPath, name));
list.Add(name);
}
catch (IOException)
{
MessageBox.Show("Unable to install dll: " + dll, "Error");
}
}
else
{
MessageBox.Show("Plugin dll already installed. To uninstall," +
" delete the .dll file from the Plugins directory.",
"Plugin Already Installed");
}
}
}
return (String[])list.ToArray(typeof(String));
}
void LoadPluginsHelper(PluginTrustLevel level)
{
Type[] types;
types = PluginManager.LoadPluginTypes(
level, PluginCriteria.Interface,
typeof(IPageGroupProvider));
InstantiateUIElements(types, instantiatedPageGroupPluginTypes,
new UpdateUICallback(UpdatePageGroup), true);
types = PluginManager.LoadPluginTypes(
level, PluginCriteria.Interface,
typeof(IBarButtonProvider));
InstantiateUIElements(types, instantiatedBarButtonPluginTypes,
new UpdateUICallback(UpdateBarButton), true);
//types = PluginManager.LoadPluginTypes(
// level, PluginCriteria.BaseClass,
// typeof(DocumentForm));
//InstantiateUIElements(types, instantiatedDocumentPluginTypes,
// new UpdateUICallback(UpdateDocument), false);
}
// Get an array of plugin types using a
// plugin criteria and trust level
public static Type[] LoadPluginTypes(
PluginTrustLevel level, PluginCriteria criteria, Type criteriaType)
{
// Build the path for plugins we are searching for
// also, if secure plugins won't work, throw
String pluginPath;
if(level == PluginTrustLevel.Full){
pluginPath = fullTrustPath;
}else{
if(!supportSecurePlugins){
throw new SecurityException(
"Semi-trusted plugins were not enabled!");
}
pluginPath = semiTrustPath;
}
// Create a temporary app domain so that we can unload assemblies
AppDomain domain =
AppDomain.CreateDomain("TempDom"+Guid.NewGuid().ToString());
// Find the name of this assembly and load it into the domain
String assemblyName = Assembly.GetExecutingAssembly().FullName;
domain.Load(assemblyName);
// Create an instance of the PluginManager type
// in the temporary domain
BindingFlags binding = BindingFlags.CreateInstance |
BindingFlags.NonPublic | BindingFlags.Instance;
ObjectHandle handle = domain.CreateInstance(
assemblyName, typeof(PluginManager).ToString(), false,
binding, null, null, null, null, null);
PluginManager helper = (PluginManager)handle.Unwrap();
try{
// Get an array of assemblies that include matching plugins
String[] assemblies= helper.DiscoverPluginAssembliesHelper(
pluginPath, criteria, criteriaType);
// return loaded plugin types
return LoadPluginTypesHelper(assemblies, criteria, criteriaType);
}catch(ReflectionTypeLoadException){
return new Type[0];
}finally{
// Unload any unwanted assemblies
AppDomain.Unload(domain);
}
}
