private void EditNoteModeSlide(ScoreEditorHitTestResult hit, MouseEventArgs e)
{
var editor = _visualizer.Editor;
Note lastNote = null;
if (editor.HasOneSelectedNote)
{
lastNote = editor.GetSelectedNote();
}
else if (hit.HitAnyNote && editor.HasSelectedNotes)
{
Debug.Print("You can only select one note to create a slide group.");
return;
}
Note thisNote = null;
var isNoteAdded = false;
if (hit.HitAnyNote)
{
// The clicked note is always selected.
thisNote = hit.Note == _lastMouseDownNote ? hit.Note : null;
}
else if (hit.HitBarGridIntersection)
{
// If not selected, add a note and select it.
thisNote = EditorAddNote(hit);
isNoteAdded = true;
}
// If the user clicked on nothing, then clear all selections.
if (thisNote == null)
{
ClearNoteAndBarSelection();
editor.Invalidate();
return;
}
// If the user clicked on the same note, just perform the standard note selection.
if (lastNote == null || lastNote == thisNote)
{
thisNote.EditorToggleSelected();
editor.Invalidate();
return;
}
var relationCreated = false;
do
{
// If the selected note is already a slide note and there is a slide relation between the
// two notes, then switch selection.
if (NoteHelper.AreNotesInSlideChain(thisNote, lastNote))
{
// Yep just switch selection. Do nothing in this branch.
}
else
{
var errStr = EnsureSlideValid(thisNote, lastNote);
if (errStr != null)
{
if (isNoteAdded)
{
thisNote.Basic.Bar.RemoveNote(thisNote);
}
Debug.Print(errStr);
break;
}
// Make slide.
var(first, second) = NoteHelper.Split(thisNote, lastNote);
NoteHelper.MakeSlide(first, second);
_visualizer.InformProjectModified();
relationCreated = true;
}
} while (false);
// Now handle a special case: link flick after a slide.
if (!relationCreated)
{
var(first, second) = NoteHelper.Split(thisNote, lastNote);
if (first.Basic.FinishPosition != second.Basic.FinishPosition)
{
if (first.Helper.IsSlideEnd && second.Helper.IsFlickStart)
{
NoteHelper.MakeSlideToFlick(first, second);
_visualizer.InformProjectModified();
relationCreated = true;
}
}
}
if (relationCreated)
{
thisNote.EditorUnselect();
lastNote.EditorUnselect();
}
else
{
lastNote.EditorUnselect();
thisNote.EditorSelect();
}
editor.Invalidate();
}