godot-TBL-extension-base/tblext.gd

@tool
extends EditorPlugin

func _enter_tree() -> void:
	var helper := preload('tblext.gd')
	var base_dir: String = helper.resource_path.get_base_dir()
	var tools_dir := base_dir.path_join('editor/tools')
	var dir := DirAccess.open(tools_dir)
	for file in dir.get_files():
		if file.get_extension() == 'tres':
			make_panel(load(tools_dir.path_join(file)))

func make_panel(dev_tool:DevTool) -> VBoxContainer:
	var panel := VBoxContainer.new()
	var options := JSON.parse_string(FileAccess.get_file_as_string(dev_tool.tool_config))
	for option in options:
		if option.value is String:
			var comment := Label.new()
			var line_edit := LineEdit.new()
			comment.text = option.comment
			line_edit.text = option.value
			panel.add_child(comment)
			panel.add_child(line_edit)
			panel.tree_exiting.connect(func():
				option.value = line_edit.text
				)
		elif option.value is bool:
			var check_box := CheckBox.new()
			check_box.text = option.comment
			check_box.button_pressed = option.value
			panel.add_child(check_box)
			panel.tree_exiting.connect(func():
				option.value = check_box.button_pressed
				)
	var command := Button.new()
	command.text = dev_tool.tool_command_name
	command.button_up.connect(func():
		OS.execute('ruby', [ProjectSettings.globalize_path(dev_tool.tool_script)])
		)
	panel.add_child(command)
	panel.name = dev_tool.tool_name
	add_control_to_dock(dev_tool.tool_dock, panel)
	panel.tree_exited.connect(func():
		var json := FileAccess.open(dev_tool.tool_config, FileAccess.WRITE)
		json.store_string(JSON.stringify(options, "\t"))
		)
	tree_exiting.connect(func():
		remove_control_from_docks(panel)
		panel.queue_free()
		)
	return panel