feat: base

addons/maaacks_menus_template/installer/theme_selection_dialog.gd

@@ -0,0 +1,33 @@
+@tool
+extends ConfirmationDialog
+
+signal theme_selected(theme_file: String)
+
+@export_dir var theme_directories : Array[String] :
+	set(value):
+		theme_directories = value
+		if is_inside_tree():
+			%FileLister.directories = theme_directories
+			_fill_with_themes()
+
+func _fill_with_themes() -> void:
+	%ItemList.clear()
+	for file in %FileLister.files:
+		if file is String:
+			var readable_name = file.get_file().get_basename().capitalize()
+			%ItemList.add_item(readable_name)
+
+func _ready() -> void:
+	get_ok_button().disabled = true
+
+func _preview_theme(theme_file: String) -> void:
+	var theme_resource : Theme = load(theme_file)
+	if theme_resource == null: return
+	%ThemePreviewContainer.theme = theme_resource
+
+func _on_item_list_item_selected(index) -> void:
+	get_ok_button().disabled = false
+	if index < %FileLister.files.size():
+		var file = %FileLister.files[index]
+		_preview_theme(file)
+		theme_selected.emit(file)