public static void Load()
{
var file = Config.Instance.DataDir + "Database.xml";
if (!File.Exists(file))
{
return;
}
try
{
_instance = XmlManager <VocabularyDatabase> .Load(file);
}
catch (Exception)
{
//failed loading deckstats
var corruptedFile = Helper.GetValidFilePath(Config.Instance.DataDir, "Database_corrupted", "xml");
try
{
File.Move(file, corruptedFile);
}
catch (Exception)
{
throw new Exception("Can not load or move Database.xml file. Please manually delete the file in \"%appdata\\VocabularyTrainer\".");
}
//get latest backup file
var backup =
new DirectoryInfo(Config.Instance.DataDir).GetFiles("Database_backup*")
.OrderByDescending(x => x.CreationTime)
.FirstOrDefault();
if (backup != null)
{
try
{
File.Copy(backup.FullName, file);
_instance = XmlManager <VocabularyDatabase> .Load(file);
}
catch (Exception)
{
throw new Exception("Error restoring Database backup. Please manually rename \"Database_backup.xml\" to \"Database.xml\" in \"%appdata\\VocabularyTrainer\".");
}
}
else
{
//can't call ShowMessageAsync on MainWindow at this point. todo: Add something like a message queue.
//MessageBox.Show("Your Database file got corrupted and there was no backup to restore from.", "Error restoring Database backup");
Logger.WriteLine("Your Database file got corrupted and there was no backup to restore from.", "Error restoring Database backup");
}
}
}
public MainWindow()
{
InitializeComponent();
Helper.MainWindow = this;
Config.Load();
Config.Instance.SaveDataInAppData = false;
Config.Save();
VocabularyDatabase.Load();
// Add categories and lections
foreach (Vocabulary v in VocabularyDatabase.Instance.vocs)
{
if (!Config.Instance.categories.Contains(v.cat))
{
Config.Instance.categories.Add(v.cat);
}
if (!Config.Instance.lections.Contains(v.lection))
{
Config.Instance.lections.Add(v.lection);
}
}
Config.Save();
foreach (string s in Config.Instance.categories)
{
AddVocabulary.comboCategory.Items.Add(s);
Options.comboCategory.Items.Add(s);
System.Windows.Controls.CheckBox cc = new System.Windows.Controls.CheckBox();
cc.Checked += (o, e) => { view.Refresh(); };
cc.Unchecked += (o, e) => { view.Refresh(); };
cc.Content = s;
menuKategorie.Items.Add(cc);
}
foreach (string s in Config.Instance.lections)
{
AddVocabulary.comboLection.Items.Add(s);
Options.comboLection.Items.Add(s);
System.Windows.Controls.CheckBox cc = new System.Windows.Controls.CheckBox();
cc.Checked += (o, e) => { view.Refresh(); };
cc.Unchecked += (o, e) => { view.Refresh(); };
cc.Content = s;
menuLektionen.Items.Add(cc);
}
ObservableCollection <Vocabulary> custdata = VocabularyDatabase.Instance.vocs;
var itemSourceView = new CollectionViewSource()
{
Source = VocabularyDatabase.Instance.vocs
};
view = itemSourceView.View;
view.Filter = new Predicate <object>(
item =>
{
Vocabulary voc = (Vocabulary)item;
if (!this.searchText.Text.Equals(""))
{
if (voc.german.Contains(this.searchText.Text) || voc.japanese.Contains(this.searchText.Text) || voc.romaji.Contains(this.searchText.Text))
{
return(true);
}
else
{
return(false);
}
}
Predicate <object> stdPred = new Predicate <object>(x => { return(true); });
menuLektionen.Items.Filter = new Predicate <object>(x => { return(((System.Windows.Controls.CheckBox)x).IsChecked.Value); });
menuKategorie.Items.Filter = new Predicate <object>(x => { return(((System.Windows.Controls.CheckBox)x).IsChecked.Value); });
List <string> cLektionen = new List <string>();
foreach (System.Windows.Controls.CheckBox c in menuLektionen.Items)
{
cLektionen.Add(c.Content.ToString());
}
List <string> cKategorien = new List <string>();
foreach (System.Windows.Controls.CheckBox c in menuKategorie.Items)
{
cKategorien.Add(c.Content.ToString());
}
menuLektionen.Items.Filter = stdPred;
menuKategorie.Items.Filter = stdPred;
//Filter sind aktiv
if ((cLektionen.Count == 0 || cLektionen.Contains(voc.lection, null)) &&
(cKategorien.Count == 0 || cKategorien.Contains(voc.cat)))
{
return(true);
}
//Fällt in keine Kategorie oder Lektion
return(false);
}
);
dataGrid.ItemsSource = view;
}
private void MetroWindow_Closed(object sender, EventArgs e)
{
Config.Save();
VocabularyDatabase.Save();
}