/// <summary>
/// Executes a transaction (a sequence of SQL sentences) from
/// <para/>the "buffer". After completion of the "buffer" excecution,
/// <para/>the "buffer" is cleared and buffering is disabled.
/// </summary>
public void EndBufferSQLite()
{
if (buffer)
{
buffer = false;
using (SQLiteTransaction trans = DBLangConnnection.BeginTransaction())
{
using (SQLiteCommand command = new SQLiteCommand(DBLangConnnection))
{
command.CommandText = sql_entry;
command.ExecuteNonQuery();
}
trans.Commit();
}
sql_entry = string.Empty;
}
}
/// <summary>
/// The most important method in LangLib. This creates the database,
/// <para/>the tables to it (MESSAGES, FORMITEMS, CULTURES).
/// <para/><para/>Also the FallBackCulture is updated for the underlying form/window.
/// <para/>Messages from the given <paramref name="messageResource"/> are inserted to
/// <para/>the database if their don't exists.
/// <para/><para/>The table fields FORMITEMS.INUSE and MESSAGES.INUSE are updated
/// <para/>for the FallBackCulture.
/// </summary>
/// <param name="messageResource">A resource name that contains the application
/// <para/>messages in the fall FallBackCulture language.
/// <para/>For example if I have an application which assembly name is
/// <para/>LangLibTestWinforms and it has a .resx file called Messages
/// <para/>I would give this parameter a value of "LangLibTestWinforms.Messages".</param>
/// <param name="culture">The culture to use for the localization.
/// <para/>If no culture is given the current system culture is used and
/// <para/>the FallBackCulture is used as fallback culture.</param>
/// <param name="loadItems">To load language items or not.</param>
public void InitalizeLanguageSQLite(string messageResource, CultureInfo culture = null, bool loadItems = true)
{
if (culture == null)
{
culture = CultureInfo.CurrentCulture;
}
if (!Design)
{
try
{
DateTime dt = DateTime.Now;
if (!Directory.Exists(DataDir))
{
Directory.CreateDirectory(DataDir);
}
if (DBLangConnnection == null)
{
string dbFile = DBName == string.Empty ? dbHost : DataDir + DBName;
DBLangConnnection = new SQLiteConnection(dbConnectionStr == string.Empty ? "Data Source=" + dbFile + ";Pooling=true;FailIfMissing=false" : dbConnectionStr);
DBLangConnnection.Open();
}
if (!tablesCreated && !dbNoTables)
{
using (SQLiteCommand command = new SQLiteCommand(TableCreateMessages, DBLangConnnection))
{
command.ExecuteNonQuery();
}
using (SQLiteCommand command = new SQLiteCommand(TableCreateFormItems, DBLangConnnection))
{
command.ExecuteNonQuery();
}
using (SQLiteCommand command = new SQLiteCommand(TableCreateCultures, DBLangConnnection))
{
command.ExecuteNonQuery();
}
tablesCreated = true;
}
if (!culturesInserted && !loadItems)
{
string sql = string.Empty;
CultureInfo[] allCultures;
allCultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
foreach (CultureInfo ci in allCultures)
{
sql += InsertCulture(ci);
}
using (SQLiteTransaction trans = DBLangConnnection.BeginTransaction())
{
using (SQLiteCommand command = new SQLiteCommand(DBLangConnnection))
{
command.CommandText = sql;
command.ExecuteNonQuery();
}
trans.Commit();
}
culturesInserted = true;
}
if (!loadItems)
{
GetGuiObjets(fallBackCulture);
if (!langUseUpdated)
{
using (SQLiteTransaction trans = DBLangConnnection.BeginTransaction())
{
using (SQLiteCommand command = new SQLiteCommand(DBLangConnnection))
{
command.CommandText = "UPDATE FORMITEMS SET INUSE = 0 WHERE CULTURE = '" + fallBackCulture + "' ";
command.ExecuteNonQuery();
}
trans.Commit();
}
langUseUpdated = true;
}
SaveLanguageItems(this.BaseInstance, fallBackCulture);
}
if (loadItems)
{
List <string> localProps = LocalizedPropsSQLite(AppForm, CultureInfo.CurrentCulture);
GetGuiObjets(CultureInfo.CurrentCulture, localProps);
LoadLanguageItems(CultureInfo.CurrentCulture);
}
if (!loadItems)
{
SaveMessages(messageResource, Assembly.GetExecutingAssembly(), ref DBLangConnnection);
}
ts = ts.Add((DateTime.Now - dt));
}
catch (Exception ex)
{
// invalid processor architecture or missing library parts
if (ex.GetType() == typeof(BadImageFormatException))
{
throw new InvalidSQLIteLibException();
}
else if (ex.GetType() == typeof(MissingManifestResourceException)) // This is fun. The user actually gets some help from the exception message ;-)
{
throw new LangLibException(string.Format("Missing resource '{0}'.{1}Perhaps {2}.[Resource file name] would do,{3}without the .resx file extension.",
messageResource, Environment.NewLine, GetAssemblyName(this.appType), Environment.NewLine));
}
else
{
throw;
}
}
}
}