public void MoveSourceUp(SongSource source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
int i = sources.IndexOf(source);
if (i < 0)
{
throw new ArgumentException("list of sources does not contain that source", "source");
}
Action undo = () =>
{
sources.Remove(source);
sources.Insert(i, source);
OnPropertyChanged("FirstSource");
};
Action redo = () =>
{
sources.Remove(source);
sources.Insert(0, source);
OnPropertyChanged("FirstSource");
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "MoveSourceUp");
redo();
}
/// <summary>
/// Adds a new source from a string (can be undone).
/// </summary>
/// <param name="source">The string.</param>
/// <returns>The added <see cref="SongSource"/> object.</returns>
public SongSource AddSource(string source)
{
var src = SongSource.Parse(source, this);
AddSource(src);
return(src);
}
/// <summary>
/// Generated a <see cref="SongSource"/> by parsing a string.
/// A variety of formats is supported, e.g. '[Book] / [Nr]' or '[Book], Nr. [Nr]'.
/// </summary>
/// <param name="source">The string to parse.</param>
/// <returns>The parsed source object.</returns>
public static SongSource Parse(string source, Song root)
{
SongSource result = new SongSource(root);
if (String.IsNullOrWhiteSpace(source))
{
return(result);
}
bool success = false;
int n;
if (source.Contains("/"))
{
var parts = source.Split('/');
result.songbook = parts[0].Trim();
if (int.TryParse(parts[1].Trim(), out n))
{
result.number = n;
success = true;
}
}
if (!success)
{
int index = source.LastIndexOfAny(new char[] { ' ', '.', ',' });
if (index >= 0 && int.TryParse(source.Substring(index + 1).Trim(), out n))
{
result.Number = n;
string book = source.Substring(0, index + 1).Trim();
if (book.EndsWith("Nr."))
{
book = book.Substring(0, book.Length - 3).Trim();
}
if (book.EndsWith(","))
{
book = book.Substring(0, book.Length - 1).Trim();
}
result.songbook = book;
}
else
{
result.songbook = source;
}
}
return(result);
}
/// <summary>
/// Removes a source from the list of sources for this song (can be undone).
/// </summary>
/// <param name="source">The source to remove.</param>
public void RemoveSource(SongSource source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (sources.Count <= 1)
{
throw new InvalidOperationException("Can't remove last source");
}
int i = sources.IndexOf(source);
if (i < 0)
{
throw new ArgumentException("list of sources does not contain that source", "source");
}
Action undo = () =>
{
sources.Insert(i, source);
if (i == 0)
{
OnPropertyChanged("FirstSource");
}
};
Action redo = () =>
{
sources.Remove(source);
if (i == 0)
{
OnPropertyChanged("FirstSource");
}
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "RemoveSource");
redo();
}
/// <summary>
/// Adds a source to the song (can be undone).
/// </summary>
/// <param name="source">The source to add.</param>
public void AddSource(SongSource source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (source.Root != this)
{
throw new ArgumentException("source has wrong root");
}
if (sources.Contains(source))
{
throw new InvalidOperationException("source already added to the list, cannot add one source multiple times");
}
Undo.ChangeFactory.OnChanging(this,
() => { sources.Remove(source); },
() => { sources.Add(source); },
"AddSource");
sources.Add(source);
}
public void SourceMoveUp()
{
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
ClearUndoRedoStack();
song.MoveSourceUp(sources[2]);
Assert.Equal(3, song.Sources.Count);
Assert.ReferenceEquals(sources[2], song.FirstSource);
Assert.Equal(1, UndoStackSize);
Undo();
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
Redo();
Assert.Equal(3, song.Sources.Count);
Assert.ReferenceEquals(sources[2], song.FirstSource);
}
public void SourceRemoveUndoRedo()
{
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
ClearUndoRedoStack();
song.RemoveSource(song.FirstSource);
song.RemoveSource(song.FirstSource);
Assert.Equal(1, song.Sources.Count);
Undo();
Undo();
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
Redo();
Redo();
Assert.Equal(1, song.Sources.Count);
}
public void SourceSetUndoRedo()
{
song.SetSources(new SongSource[] { });
this.ClearUndoRedoStack();
Assert.Equal(1, song.Sources.Count);
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
Assert.Equal(0, UndoStackSize);
song.SetSources(sources);
Assert.Equal(1, UndoStackSize);
Undo();
Assert.Equal(1, song.Sources.Count);
Assert.Equal(String.Empty, song.FirstSource.ToString());
Redo();
Assert.Equal(3, song.Sources.Count);
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
}
public void SourceSetMultiple()
{
song.SetSources(new SongSource[] { });
Assert.Equal(1, song.Sources.Count);
var sources = new SongSource[] {
SongSource.Parse("Book / 1", song),
SongSource.Parse("Book / 2", song),
SongSource.Parse("Book / 3", song)
};
song.SetSources(sources);
Assert.Equal(3, song.Sources.Count);
for (int i = 0; i < 3; i++)
{
Assert.Equal("Book", song.Sources[i].Songbook);
Assert.Equal(i + 1, song.Sources[i].Number);
}
}
/// <summary>
/// Generated a <see cref="SongSource"/> by parsing a string.
/// A variety of formats is supported, e.g. '[Book] / [Nr]' or '[Book], Nr. [Nr]'.
/// </summary>
/// <param name="source">The string to parse.</param>
/// <returns>The parsed source object.</returns>
public static SongSource Parse(string source, Song root)
{
SongSource result = new SongSource(root);
if(String.IsNullOrWhiteSpace(source))
return result;
bool success = false;
int n;
if (source.Contains("/"))
{
var parts = source.Split('/');
result.songbook = parts[0].Trim();
if (int.TryParse(parts[1].Trim(), out n))
{
result.number = n;
success = true;
}
}
if (!success)
{
int index = source.LastIndexOfAny(new char[] {' ','.',','});
if (index >= 0 && int.TryParse(source.Substring(index+1).Trim(), out n))
{
result.Number = n;
string book = source.Substring(0, index+1).Trim();
if (book.EndsWith("Nr."))
book = book.Substring(0, book.Length - 3).Trim();
if (book.EndsWith(","))
book = book.Substring(0, book.Length - 1).Trim();
result.songbook = book;
}
else
{
result.songbook = source;
}
}
return result;
}
public void SetSource(SongSource source)
{
control.ExecuteJavascript("presentation.setSource(" + JsonConvert.SerializeObject(source.ToString()) + ")");
}
/// <summary>
/// Adds a source to the song (can be undone).
/// </summary>
/// <param name="source">The source to add.</param>
public void AddSource(SongSource source)
{
if (source == null)
throw new ArgumentNullException("source");
if (source.Root != this)
throw new ArgumentException("source has wrong root");
if (sources.Contains(source))
throw new InvalidOperationException("source already added to the list, cannot add one source multiple times");
Undo.ChangeFactory.OnChanging(this,
() => { sources.Remove(source); },
() => { sources.Add(source); },
"AddSource");
sources.Add(source);
}
public void MoveSourceUp(SongSource source)
{
if (source == null)
throw new ArgumentNullException("source");
int i = sources.IndexOf(source);
if (i < 0)
throw new ArgumentException("list of sources does not contain that source", "source");
Action undo = () =>
{
sources.Remove(source);
sources.Insert(i, source);
OnPropertyChanged("FirstSource");
};
Action redo = () =>
{
sources.Remove(source);
sources.Insert(0, source);
OnPropertyChanged("FirstSource");
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "MoveSourceUp");
redo();
}
/// <summary>
/// Removes a source from the list of sources for this song (can be undone).
/// </summary>
/// <param name="source">The source to remove.</param>
public void RemoveSource(SongSource source)
{
if (source == null)
throw new ArgumentNullException("source");
if (sources.Count <= 1)
throw new InvalidOperationException("Can't remove last source");
int i = sources.IndexOf(source);
if (i < 0)
throw new ArgumentException("list of sources does not contain that source", "source");
Action undo = () =>
{
sources.Insert(i, source);
if (i == 0) OnPropertyChanged("FirstSource");
};
Action redo = () =>
{
sources.Remove(source);
if (i == 0) OnPropertyChanged("FirstSource");
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "RemoveSource");
redo();
}
/// <summary>
/// Sets the sources of this song, replacing all previous ones (can be undone).
/// If the enumeration is empty, a single empty source is added.
/// </summary>
/// <param name="newSources">The new sources as strings, which are first parsed.</param>
public void SetSources(IEnumerable <string> newSources)
{
SetSources(newSources.Select(src => SongSource.Parse(src, this)));
}
