import curses import sys import time import praw.errors from .content import SubmissionContent from .page import BasePage, Navigator, BaseController from .helpers import clean, open_browser, open_editor from .curses_helpers import (BULLET, UARROW, DARROW, Color, LoadScreen, show_help, show_notification, text_input) from .docs import COMMENT_FILE __all__ = ['SubmissionController', 'SubmissionPage'] class SubmissionController(BaseController): character_map = {} class SubmissionPage(BasePage): def __init__(self, stdscr, reddit, url=None, submission=None): self.controller = SubmissionController(self) self.loader = LoadScreen(stdscr) if url is not None: content = SubmissionContent.from_url(reddit, url, self.loader) elif submission is not None: content = SubmissionContent(submission, self.loader) else: raise ValueError('Must specify url or submission') super(SubmissionPage, self).__init__(stdscr, reddit, content, page_index=-1) def loop(self): while True: self.draw() cmd = self.stdscr.getch() self.controller.trigger(cmd) @SubmissionController.register(curses.KEY_RIGHT, 'l') def toggle_comment(self): current_index = self.nav.absolute_index self.content.toggle(current_index) if self.nav.inverted: # Reset the page so that the bottom is at the cursor position. # This is a workaround to handle if folding the causes the # cursor index to go out of bounds. self.nav.page_index, self.nav.cursor_index = current_index, 0 @SubmissionController.register(curses.KEY_F5, 'r') def refresh_content(self): url = self.content.name self.content = SubmissionContent.from_url(self.reddit, url, self.loader) self.nav = Navigator(self.content.get, page_index=-1) @SubmissionController.register(curses.KEY_ENTER, 'o') def open_link(self): # Always open the page for the submission # May want to expand at some point to open comment permalinks url = self.content.get(-1)['permalink'] open_browser(url) @SubmissionController.register('c') def add_comment(self): """ Add a comment on the submission if a header is selected. Reply to a comment if the comment is selected. """ if not self.reddit.is_logged_in(): show_notification(self.stdscr, ["Login to reply"]) return data = self.content.get(self.nav.absolute_index) if data['type'] == 'Submission': content = data['text'] elif data['type'] == 'Comment': content = data['body'] else: curses.flash() return # Comment out every line of the content content = '\n'.join(['# |' + line for line in content.split('\n')]) comment_info = COMMENT_FILE.format( author=data['author'], type=data['type'].lower(), content=content) curses.endwin() comment_text = open_editor(comment_info) curses.doupdate() if not comment_text: curses.flash() return try: if data['type'] == 'Submission': data['object'].add_comment(comment_text) else: data['object'].reply(comment_text) except praw.errors.APIException as e: show_notification(self.stdscr, [e.message]) else: time.sleep(0.5) self.refresh_content() def draw_item(self, win, data, inverted=False): if data['type'] == 'MoreComments': return self.draw_more_comments(win, data) elif data['type'] == 'HiddenComment': return self.draw_more_comments(win, data) elif data['type'] == 'Comment': return self.draw_comment(win, data, inverted=inverted) else: return self.draw_submission(win, data) @staticmethod def draw_comment(win, data, inverted=False): n_rows, n_cols = win.getmaxyx() n_cols -= 1 # Handle the case where the window is not large enough to fit the text. valid_rows = range(0, n_rows) offset = 0 if not inverted else -(data['n_rows'] - n_rows) row = offset if row in valid_rows: text = clean('{author} '.format(**data)) attr = curses.A_BOLD attr |= (Color.BLUE if not data['is_author'] else Color.GREEN) win.addnstr(row, 1, text, n_cols-1, attr) if data['flair']: text = clean('{flair} '.format(**data)) attr = curses.A_BOLD | Color.YELLOW win.addnstr(text, n_cols-win.getyx()[1], attr) if data['likes'] is None: text, attr = BULLET, curses.A_BOLD elif data['likes']: text, attr = UARROW, (curses.A_BOLD | Color.GREEN) else: text, attr = DARROW, (curses.A_BOLD | Color.RED) win.addnstr(text, n_cols-win.getyx()[1], attr) text = clean(' {score} {created}'.format(**data)) win.addnstr(text, n_cols-win.getyx()[1]) n_body = len(data['split_body']) for row, text in enumerate(data['split_body'], start=offset+1): if row in valid_rows: text = clean(text) win.addnstr(row, 1, text, n_cols-1) # Unfortunately vline() doesn't support custom color so we have to # build it one segment at a time. attr = Color.get_level(data['level']) for y in range(n_rows): x = 0 # http://bugs.python.org/issue21088 if (sys.version_info.major, sys.version_info.minor, sys.version_info.micro) == (3, 4, 0): x, y = y, x win.addch(y, x, curses.ACS_VLINE, attr) return (attr | curses.ACS_VLINE) @staticmethod def draw_more_comments(win, data): n_rows, n_cols = win.getmaxyx() n_cols -= 1 text = clean('{body}'.format(**data)) win.addnstr(0, 1, text, n_cols-1) text = clean(' [{count}]'.format(**data)) win.addnstr(text, n_cols-win.getyx()[1], curses.A_BOLD) # Unfortunately vline() doesn't support custom color so we have to # build it one segment at a time. attr = Color.get_level(data['level']) win.addch(0, 0, curses.ACS_VLINE, attr) return (attr | curses.ACS_VLINE) @staticmethod def draw_submission(win, data): n_rows, n_cols = win.getmaxyx() n_cols -= 3 # one for each side of the border + one for offset # Don't print at all if there is not enough room to fit the whole sub if data['n_rows'] > n_rows: win.addnstr(0, 0, '(Not enough space to display)', n_cols) return for row, text in enumerate(data['split_title'], start=1): text = clean(text) win.addnstr(row, 1, text, n_cols, curses.A_BOLD) row = len(data['split_title']) + 1 attr = curses.A_BOLD | Color.GREEN text = clean('{author}'.format(**data)) win.addnstr(row, 1, text, n_cols, attr) attr = curses.A_BOLD | Color.YELLOW text = clean(' {flair}'.format(**data)) win.addnstr(text, n_cols-win.getyx()[1], attr) text = clean(' {created} {subreddit}'.format(**data)) win.addnstr(text, n_cols-win.getyx()[1]) row = len(data['split_title']) + 2 attr = curses.A_UNDERLINE | Color.BLUE text = clean('{url}'.format(**data)) win.addnstr(row, 1, text, n_cols, attr) offset = len(data['split_title']) + 3 for row, text in enumerate(data['split_text'], start=offset): text = clean(text) win.addnstr(row, 1, text, n_cols) row = len(data['split_title']) + len(data['split_text']) + 3 text = clean('{score} {comments}'.format(**data)) win.addnstr(row, 1, text, n_cols, curses.A_BOLD) win.border()