frame-of-mind/src/tab_container.gd

extends TabContainer

var pass_to_actor

func _ready() -> void:
	for child in get_children():
		if "leave_stage" in child:
			child.leave_stage.connect(_on_stage_left)
	tab_changed.connect(_on_tab_changed)
	pass_to_actor = get_child(current_tab)

func _on_tab_changed(tab_id: int):
	var child_has_stage:bool = false
	for child in get_children():
		if "has_stage" in child:
			if child.has_stage:
				child_has_stage = true
	if child_has_stage:
		State.pass_stage_to(get_child(tab_id))
	
	pass_to_actor = get_child(tab_id)

func _on_stage_left():
	await get_tree().process_frame
	if not pass_to_actor.has_stage:
		var unsaved := false
		for child in get_children():
			if child.has_unsaved_changes:
				unsaved = true
		if unsaved:
			get_parent().vanish()
		else:
			get_parent().ask_confirmation()