private void SaveEntry(object sender, RoutedEventArgs e)
{
if (EntryEditor.IsValid())
{
bool create = this.song == null;
if (create)
{
this.song = new Data.Song();
}
this.song.Title = EntryEditor.TitleBox.Text;
this.song.Erschienen = EntryEditor.ReleasedBox.DisplayDate;
this.song.Artist = EntryEditor.ArtistBox.Text;
this.song.Favorit = true;
this.song.Gerne = EntryEditor.GerneBox.Text;
this.song.Laenge = EntryEditor.LengthBox.Text;
this.song.YouTubeID = EntryEditor.YouTubeIdBox.Text;
if (create)
{
this.song.Erstellen();
}
else
{
this.song.Aktualisieren();
}
ChangeState(State.Empty);
LoadSongs();
}
}
// Update
public static void DemoAUpdate()
{
Debug.Print("--- DemoAUpdate ---");
// KlasseA ändert Attribute
Data.Song klasseA1 = Data.Song.LesenID(1);
klasseA1.Title = "Artikel 1 nach Update";
klasseA1.Aktualisieren();
}
public static void DemoACreateKurz()
{
Data.Song klasseA2 = new Data.Song {
Title = "Artikel 2", Favorit = true, Erschienen = DateTime.Today, Artist = "Artist", Gerne = "Pop", Laenge = "", YouTubeID = "345"
};
Int64 klasseA2Id = klasseA2.Erstellen();
Debug.Print("Artikel erstellt mit Id:" + klasseA2Id);
}
public void loadSong(Data.Song song)
{
TitleBox.Text = song.Title;
ArtistBox.Text = song.Artist;
ReleasedBox.SelectedDate = song.Erschienen;
GerneBox.Text = song.Gerne;
LengthBox.Text = song.Laenge;
FavoritBox.IsChecked = song.Favorit;
YouTubeIdBox.Text = song.YouTubeID;
_unsaved = false;
}
// Create
public static void DemoACreate()
{
Debug.Print("--- DemoACreate ---");
// KlasseA
Data.Song klasseA1 = new Data.Song();
klasseA1.Title = "Artikel 1";
klasseA1.Erschienen = DateTime.Today;
klasseA1.Artist = "Artist";
klasseA1.Favorit = true;
klasseA1.Gerne = "Pop";
klasseA1.Laenge = "";
klasseA1.YouTubeID = "123";
Int64 klasseA1Id = klasseA1.Erstellen();
Debug.Print("Artikel erstellt mit Id:" + klasseA1Id);
}
private void ChangeState(State newstate)
{
this.state = newstate;
this.SetDefaultState();
if (this.state == State.Empty || this.state == State.Sclected)
{
this.Title = "Musik Bibliothek";
}
if (this.state == State.Empty)
{
this.song = null;
SongList.UnselectAll();
NewButton.IsEnabled = true;
SongList.Visibility = Visibility.Visible;
}
if (this.state == State.Sclected)
{
NewButton.IsEnabled = true;
EditButton.IsEnabled = true;
DeleteButton.IsEnabled = true;
SongList.Visibility = Visibility.Visible;
if (SongList.SelectedItems.Count < 1)
{
this.ChangeState(State.Empty);
}
}
if (this.state == State.New)
{
BackButton.IsEnabled = true;
EntryEditor.ResetForm();
EntryEditor.Visibility = Visibility.Visible;
SaveButton.IsEnabled = true;
this.Title = "Neuer Song erstellen";
}
if (this.state == State.Edit)
{
BackButton.IsEnabled = true;
EntryEditor.loadSong(this.song);
EntryEditor.Visibility = Visibility.Visible;
SaveButton.IsEnabled = true;
this.Title = "Song bearbeiten";
}
}
private void EditEntry(object sender, RoutedEventArgs e)
{
this.song = GetSelectedSong();
ChangeState(State.Edit);
}
public Data.Song GetSelectedSong()
{
Data.Song song = (Data.Song)SongList.SelectedItem;
return(song);
}
