WIP: track creation and deletion both in frontend and backend.

Scripts/TrackView.gd

@@ -0,0 +1,44 @@
+extends Control
+class_name TrackView
+
+@export var controller: Node
+@export var track_scene: PackedScene
+@onready var track_list: VBoxContainer = %TrackList
+
+signal track_added(idx: int)
+signal track_deleted(idx: int)
+signal tracks_updated()
+
+func _ready() -> void:
+	pass
+
+func add_track(idx: int):
+	track_added.emit(idx)
+	tracks_updated.emit()
+	pass
+
+func delete_track(idx: int):
+	track_deleted.emit(idx)
+	_track_deleted(idx)
+	tracks_updated.emit()
+	pass
+
+func _track_added():
+	var track = track_scene.instantiate() as Track
+	track.on_deleted.connect(delete_track)
+	track_list.add_child(track)
+	pass
+
+func _track_duplicated(idx: int):
+	pass
+
+func _track_renamed(idx: int):
+	pass
+
+func _track_deleted(idx: int):
+	var track = track_list.get_child(idx)
+	track.call_deferred("free")
+	pass
+
+func get_track_elements() -> Array[Node]:
+	return track_list.get_children()