private static void GetLanguage()
{
string retrievedLanguage;
// TODO important: Search for a method that checks for null value - conditional operator
try
{
FileLocking ConfugurationFile_Locking = new FileLocking();
XDocument Xdoc = null;
Exception error = null;
Xdoc = XDocument.Load(ConfugurationFile_Locking.ReadFile(applicationConfigurationFile, ref error));
retrievedLanguage = Xdoc.Element("ConfigFile").Element("ApplicationSettings").Element("GeneralSettings").Element("Language").Value.ToString();
}
catch (Exception _error)
{
// TODO: Write imediately to the XML file and set a protocol entry that there was no language
MessageBox.Show(_error.Message + " - " + applicationConfigurationFile);
retrievedLanguage = "English";
}
switch (retrievedLanguage)
{
case "English":
{
CurrentLanguagePublic = Languages.English;
}
break;
case "German":
{
CurrentLanguagePublic = Languages.German;
}
break;
default:
{
CurrentLanguagePublic = Languages.English;
// TODO:
// Create an entry in the protocol file that the language could not be retrieved
}
break;
}
}
private void DependenciesCheck()
{
SQLiteConnection.CreateFile("smDB.sqlite");
SQLiteConnection m_dbConnection = new SQLiteConnection("Data Source=smDB.sqlite;Version=3;");
m_dbConnection.Open();
string sql = "create table highscores (name varchar(20), score int)";
SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
command.ExecuteNonQuery();
sql = "insert into highscores (name, score) values ('Me', 9001)";
command = new SQLiteCommand(sql, m_dbConnection);
command.ExecuteNonQuery();
m_dbConnection.Close();
// Check if libraries are available
//if (!File.Exists(CoreFunctions.GetExecutingDirectoryName() + "StockManagementCore.dll"))
//{
// MessageBox.Show("Die erforderliche Datei \"StockManagementCore.dll\" wurde nicht gefunden, das Programm wird nun beendet.", "Fehler beim Laden", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
// this.Close();
//}
// Check if the xlsx library exists
//if (!File.Exists(CoreFunctions.GetExecutingDirectoryName() + "DocumentFormat.OpenXml.dll"))
//{
// MessageBox.Show("Die erforderliche Datei \"DocumentFormat.OpenXml.dll\" wurde nicht gefunden, das Programm wird nun beendet", "Fehler beim Laden", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
// this.Close();
//}
// Check if the english localisation library is available
//if (!File.Exists(CoreFunctions.GetExecutingDirectoryName() + "Localisation.dll"))
//{
// MessageBox.Show("Die erforderliche Datei \"Localisation.dll\" wurde nicht gefunden, das Programm wird nun beendet", "Fehler beim Laden", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
// this.Close();
//}
// Check if the german localisation folder and library is available
//if (!Directory.Exists(CoreFunctions.GetExecutingDirectoryName() + "de"))
//{
// Directory.CreateDirectory(CoreFunctions.GetExecutingDirectoryName() + "de");
// MessageBox.Show("The folder for the german localisation does not exist, the folder will be created now but the localisation file is missing." + Environment.NewLine + "Do you want to download it now?", "Fehler beim Laden", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
//}
//else
//{
// if (!File.Exists(CoreFunctions.GetExecutingDirectoryName() + "de\\Localisation.resources.dll"))
// {
// MessageBox.Show("Die erforderliche Datei \"Localisation.resources..dll\" wurde nicht gefunden, das Programm wird nun beendet", "Fehler beim Laden", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
// }
//}
#region Configuration file locking and checking
confugurationFileLocking = new FileLocking();
// Try to lock the configuration file
if (File.Exists(applicationConfigurationFile))
{
if (confugurationFileLocking.OpenAndLock(applicationConfigurationFile, FileAccess.ReadWrite, FileShare.Read, ref applicationWideException))
{
CreateBackup();
// If there is no root element asign null to Xdoc
try
{
xdoc = XDocument.Load(confugurationFileLocking.LockedFile);
}
catch (Exception _error)
{
xdoc = null;
// TODO: Protocol it!
}
// If Xdoc equals null or not equals "ConfigFile" the whole document is about to be recreated
if (xdoc != null)
{
if (xdoc.Root.Name == "ConfigFile")
{
ReadXMLConfiguration(true);
}
else
{
ReadXMLConfiguration(false);
}
}
else
{
ReadXMLConfiguration(false);
}
// Set the current user of the program and save it to the configuration file
xdoc.Element("ConfigFile").Element("ApplicationSettings").Element("GeneralSettings").Element("CurrentUser").Value = Environment.UserName;
confugurationFileLocking.WriteXDocument(xdoc);
}
else
{
xdoc = XDocument.Load(confugurationFileLocking.ReadFile(applicationConfigurationFile, ref applicationWideException));
currentUser = xdoc.Element("ConfigFile").Element("ApplicationSettings").Element("GeneralSettings").Element("CurrentUser").Value.ToString();
isConfigurationFileLocked = true;
TrackNotificationFile();
}
doesConfigurationFileExists = true;
}
else
{
// Set the language to english because the configuration file is missing and english is the default language
Thread.CurrentThread.CurrentUICulture = CultureInfo.GetCultureInfo("en-US");
}
#endregion
}
private void SettingsMenu_FormClosing(object sender, FormClosingEventArgs e)
{
if (File.Exists(DataFileText.Text))
{
if (File.Exists(applicationConfigurationFile))
{
if (MainMenuPublic != null)
{
MainMenuPublic.Xdoc.Element("ConfigFile").Element("ApplicationSettings").Element("DataReferences").Element("CustomerFile").Value = DataFileText.Text;
ConfugurationFileLocking.WriteXDocument(MainMenuPublic.Xdoc);
}
else
{
StockManagementMenu.Xdoc.Element("ConfigFile").Element("ApplicationSettings").Element("DataReferences").Element("CustomerFile").Value = DataFileText.Text;
ConfugurationFileLocking.WriteXDocument(StockManagementMenu.Xdoc);
}
// TODO: clear
}
else
{
ConfugurationFileLocking = new FileLocking();
if (ConfugurationFileLocking.CreateAndLock(applicationConfigurationFile, FileAccess.ReadWrite, FileShare.Read, ref error))
{
using (XmlWriter writer = XmlWriter.Create(ConfugurationFileLocking.LockedFile))
{
writer.WriteStartDocument();
writer.WriteComment("This file is generated by the program. It contains application settings and all customer data.");
writer.WriteStartElement("ConfigFile");
writer.WriteStartElement("ApplicationSettings");
// DataReferences element
writer.WriteStartElement("DataReferences");
writer.WriteElementString("CustomerFile", DataFileText.Text);
writer.WriteEndElement();
// DataReferences element
writer.WriteStartElement("GeneralSettings");
writer.WriteElementString("CurrentUser", Environment.UserName);
switch (LanguageHolder.Text)
{
case "English":
case "Englisch":
{
writer.WriteElementString("Language", "English");
}
break;
case "German":
case "Deutsch":
{
writer.WriteElementString("Language", "German");
}
break;
default:
{
// Placeholder - will never be reached
// TODO: Create a protocol just to catch that case
}
break;
}
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteStartElement("CustomerData");
writer.WriteEndElement();
writer.WriteEndDocument();
}
// Asign the just created filestream to the variable in the main menu, do the same with the XDocument
MainMenuPublic.ConfugurationFileLocking = ConfugurationFileLocking;
MainMenuPublic.Xdoc = XDocument.Load(ConfugurationFileLocking.LockedFile);
}
}
if (!this.Owner.Visible)
{
this.Owner.Visible = true;
}
this.Owner.BringToFront();
}
else
{
MessageBox.Show(Localisation.Localisation.strings.SettingsMenu_ValidFile);
e.Cancel = true;
}
}
