def make_element(self, cd, parent, type):
if type == "Custom":
return CustomBlock(cd, 'Custom').construct(parent)
elif type == "Input":
return InputBlock(cd, 'Input', '用户取得自定义功能的输入数据').construct(parent)
elif type == "Output":
return OutputBlock(cd, 'Output',
'用于设定用户自定义模块的输出数据').construct(parent)
elif type == "Note":
return Note(cd).construct(parent)
