def get_selected(self):
selected_idx = []<EOL>for i, row in enumerate(self.liststore):<EOL><INDENT>if row[CHECK_COL]:<EOL><INDENT>selected_idx.append(i + <NUM_LIT:1>)<EOL><DEDENT><DEDENT>return (selected_idx, self.file_sha1)<EOL>
返回选中要下载的文件的编号及sha1值, 从1开始计数.