open file dialogs at the most recent folder

graph_node_renderer/deck_holder_renderer.gd

@@ -34,6 +34,7 @@ enum FileMenuId {
 @onready var file_popup_menu: PopupMenu = %File as PopupMenu
 var max_recents := 4
 var recent_files := []
+var recent_path: String
 @onready var unsaved_changes_dialog_single_deck := $UnsavedChangesDialogSingleDeck as UnsavedChangesDialogSingleDeck
 @onready var unsaved_changes_dialog: ConfirmationDialog = $UnsavedChangesDialog
 
@@ -60,6 +61,10 @@ func _ready() -> void:
 		PERSISTENCE_NAMESPACE, "config",
 		"recent_files", []
 		)
+	recent_path = RendererPersistence.get_or_create(
+		PERSISTENCE_NAMESPACE, "config",
+		"recent_path", OS.get_system_dir(OS.SYSTEM_DIR_DOCUMENTS)
+	)
 	add_recents_to_menu()
 
 	tab_container.tab_close_requested.connect(
@@ -91,11 +96,11 @@ func _on_file_id_pressed(id: int) -> void:
 		FileMenuId.NEW:
 			add_empty_deck()
 		FileMenuId.OPEN:
-			open_open_dialog("res://")
+			open_open_dialog(recent_path)
-		FileMenuId.SAVE:
+		FileMenuId.SAVE when tab_container.get_tab_count() > 0:
 			save_active_deck()
-		FileMenuId.SAVE_AS:
+		FileMenuId.SAVE_AS when tab_container.get_tab_count() > 0:
-			open_save_dialog("res://")
+			open_save_dialog(tab_container.get_tab_metadata(tab_container.get_current_tab(), "path"))
 		FileMenuId.CLOSE:
 			close_current_tab()
 		_ when id in range(FileMenuId.RECENTS, FileMenuId.RECENTS + max_recents + 1):
@@ -108,6 +113,7 @@ func add_empty_deck() -> void:
 	inst.deck = deck
 	tab_container.add_content(inst, "<unsaved deck>")
 	tab_container.set_tab_metadata(tab_container.get_current_tab(), "id", deck.id)
+	tab_container.set_tab_metadata(tab_container.get_current_tab(), "path", recent_path.path_join(""))
 	inst.group_enter_requested.connect(_on_deck_renderer_group_enter_requested)
 	inst.dirty_state_changed.connect(_on_deck_renderer_dirty_state_changed.bind(inst))
 
@@ -141,7 +147,7 @@ func open_save_dialog(path: String) -> void:
 func open_open_dialog(path: String) -> void:
 	file_dialog.file_mode = FileDialog.FILE_MODE_OPEN_FILES
 	file_dialog.title = "Open Deck(s)"
-	file_dialog.current_path = path
+	file_dialog.current_path = path + "/"
 	file_dialog.popup_centered()
 	file_dialog.files_selected.connect(_on_file_dialog_open_files, CONNECT_ONE_SHOT)
 
@@ -161,6 +167,8 @@ func _on_file_dialog_save_file(path: String) -> void:
 	var f := FileAccess.open(path, FileAccess.WRITE)
 	f.store_string(json)
 	add_recent_file(get_active_deck().save_path)
+	recent_path = path.get_base_dir()
+	RendererPersistence.set_value(PERSISTENCE_NAMESPACE, "config", "recent_path", recent_path)
 
 
 ## Connected to [signal FileDialog.open_files] on [member file_dialog].  Opens
@@ -181,10 +189,14 @@ func open_deck_at_path(path: String) -> void:
 	inst.deck = deck
 	tab_container.add_content(inst, path.get_file())
 	tab_container.set_tab_metadata(tab_container.get_current_tab(), "id", deck.id)
+	tab_container.set_tab_metadata(tab_container.get_current_tab(), "path", path)
 	inst.initialize_from_deck()
 	inst.group_enter_requested.connect(_on_deck_renderer_group_enter_requested)
 	inst.dirty_state_changed.connect(_on_deck_renderer_dirty_state_changed.bind(inst))
 	add_recent_file(path)
+	recent_path = path.get_base_dir()
+	RendererPersistence.set_value(PERSISTENCE_NAMESPACE, "config", "recent_path", recent_path)
+
 
 ## Gets the currently active [Deck] from [member tab_container]
 func get_active_deck() -> Deck:
@@ -345,11 +357,12 @@ func add_recents_to_menu() -> void:
 		file_popup_menu.set_item_shortcut(file_popup_menu.get_item_count() - 1, s)
 		
 	RendererPersistence.set_value(PERSISTENCE_NAMESPACE, "config", "recent_files", recent_files)
-	RendererPersistence.commit(PERSISTENCE_NAMESPACE)
 
 
 func _notification(what: int) -> void:
 	if what == NOTIFICATION_WM_CLOSE_REQUEST:
+		RendererPersistence.commit(PERSISTENCE_NAMESPACE)
+		
 		if range(tab_container.get_tab_count()).any(func(x: int): return tab_container.get_content(x).dirty):
 			unsaved_changes_dialog.show()
 		else:

graph_node_renderer/deck_holder_renderer.tscn

@@ -143,6 +143,7 @@ layout_mode = 2
 size = Vector2i(776, 447)
 mode_overrides_title = false
 access = 2
+filters = PackedStringArray("*.deck ;StreamGraph Decks")
 use_native_dialog = true
 
 [node name="Connections" type="Node" parent="."]