/// <summary>
/// Adds a part to the part order (can be undone).
/// </summary>
/// <param name="part">The part to add.</param>
/// <param name="index">The index where to insert it in the order. If omitted, append at the end.</param>
/// <returns>A reference to the part in the order.</returns>
public SongPartReference AddPartToOrder(SongPart part, int index = -1)
{
if (Parts.IndexOf(part) < 0)
{
throw new ArgumentException("part has not been added to this song");
}
SongPartReference reference = null;
Action redo = () =>
{
if (index < 0)
{
index = Order.Count;
}
reference = new SongPartReference(part);
order.Insert(index, reference);
};
Action undo = () =>
{
order.RemoveAt(index);
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "AddPartToOrder");
redo();
return(reference);
}
/// <summary>
/// Removes a part from the order (can be undone).
/// </summary>
/// <param name="reference">The part to remove, identified by a <see cref="SongPartReference"/>.</param>
public void RemovePartFromOrder(SongPartReference reference)
{
int index = Order.IndexOf(reference);
Action redo = () =>
{
order.RemoveAt(index);
//OnNotifyPropertyChanged("PartOrder");
};
Action undo = () =>
{
order.Insert(index, reference);
//OnNotifyPropertyChanged("PartOrder");
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "RemovePartFromOrder");
redo();
}
/// <summary>
/// Moves a part in the order (can be undone).
/// </summary>
/// <param name="reference">The reference in the order to the part to move.</param>
/// <param name="target">The target index.</param>
public void MovePartInOrder(SongPartReference reference, int target)
{
if (target >= Order.Count)
{
target = Order.Count - 1;
}
int index = Order.IndexOf(reference);
Action redo = () =>
{
order.RemoveAt(index);
order.Insert(target, reference);
};
Action undo = () =>
{
order.RemoveAt(target);
order.Insert(index, reference);
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "MovePartInOrder");
redo();
}
public void GotoSlide(SongPartReference part, int slide)
{
control.ExecuteJavascript("presentation.gotoSlide("+part.OrderIndex+", "+slide+")");
}
/// <summary>
/// Removes a part from the order (can be undone).
/// </summary>
/// <param name="reference">The part to remove, identified by a <see cref="SongPartReference"/>.</param>
public void RemovePartFromOrder(SongPartReference reference)
{
int index = Order.IndexOf(reference);
Action redo = () =>
{
order.RemoveAt(index);
//OnNotifyPropertyChanged("PartOrder");
};
Action undo = () =>
{
order.Insert(index, reference);
//OnNotifyPropertyChanged("PartOrder");
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "RemovePartFromOrder");
redo();
}
/// <summary>
/// Moves a part in the order (can be undone).
/// </summary>
/// <param name="reference">The reference in the order to the part to move.</param>
/// <param name="target">The target index.</param>
public void MovePartInOrder(SongPartReference reference, int target)
{
if (target >= Order.Count)
target = Order.Count - 1;
int index = Order.IndexOf(reference);
Action redo = () =>
{
order.RemoveAt(index);
order.Insert(target, reference);
};
Action undo = () =>
{
order.RemoveAt(target);
order.Insert(index, reference);
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "MovePartInOrder");
redo();
}
/// <summary>
/// Adds a part to the part order (can be undone).
/// </summary>
/// <param name="part">The part to add.</param>
/// <param name="index">The index where to insert it in the order. If omitted, append at the end.</param>
/// <returns>A reference to the part in the order.</returns>
public SongPartReference AddPartToOrder(SongPart part, int index = -1)
{
if (Parts.IndexOf(part) < 0)
throw new ArgumentException("part has not been added to this song");
SongPartReference reference = null;
Action redo = () =>
{
if (index < 0)
index = Order.Count;
reference = new SongPartReference(part);
order.Insert(index, reference);
};
Action undo = () =>
{
order.RemoveAt(index);
};
Undo.ChangeFactory.OnChanging(this, undo, redo, "AddPartToOrder");
redo();
return reference;
}
public void PartReferenceNotify()
{
var partRef = new SongPartReference(part);
bool notified = false;
partRef.Part.PropertyChanged += (sender, args) =>
{
notified = true;
};
Assert.False(notified);
part.Name = "NewPartName";
Assert.Equal(new SongPartReference(song, "NewPartName").Part, partRef.Part);
Assert.True(notified);
notified = false;
Assert.Equal(1, UndoStackSize);
Undo();
Assert.True(notified);
notified = false;
Redo();
Assert.True(notified);
Assert.Equal(new SongPartReference(song, "NewPartName").Part, partRef.Part);
}