Files
tuir/rtv/subreddit.py
2015-02-02 21:43:06 -08:00

125 lines
3.6 KiB
Python

import curses
import sys
from errors import SubredditNameError
from page import BasePage
from submission import SubmissionPage
from content import SubredditContent
from utils import LoadScreen, text_input, display_message, Color
class SubredditPage(BasePage):
def __init__(self, stdscr, reddit, name):
self.reddit = reddit
self.name = name
self.loader = LoadScreen(stdscr)
content = SubredditContent.from_name(reddit, name, self.loader)
super(SubredditPage, self).__init__(stdscr, content)
def loop(self):
self.draw()
while True:
cmd = self.stdscr.getch()
if cmd == curses.KEY_UP:
self.move_cursor_up()
self.clear_input_queue()
elif cmd == curses.KEY_DOWN:
self.move_cursor_down()
self.clear_input_queue()
# View submission
elif cmd in (curses.KEY_RIGHT, curses.KEY_ENTER, ord(' '), 10):
self.open_submission()
self.draw()
# Enter edit mode to change subreddit
elif cmd == ord('/'):
self.prompt_subreddit()
# Refresh page
elif cmd in (curses.KEY_F5, ord('r')):
self.refresh_content()
elif cmd == curses.KEY_RESIZE:
self.draw()
# Quit
elif cmd == ord('q'):
sys.exit()
else:
curses.beep()
def refresh_content(self, name=None):
name = name or self.name
try:
self.content = SubredditContent.from_name(
self.reddit, name, self.loader)
except SubredditNameError:
display_message(self.stdscr, 'Invalid Subreddit')
else:
self.nav.page_index, self.nav.cursor_index = 0, 0
self.nav.inverted = False
self.name = name
#self.stdscr.clear()
self.draw()
def prompt_subreddit(self):
prompt = 'Enter Subreddit: /r/'
n_rows, n_cols = self.stdscr.getmaxyx()
self.stdscr.addstr(n_rows-1, 0, prompt)
self.stdscr.refresh()
window = self.stdscr.derwin(n_rows-1, len(prompt))
out = text_input(window)
if out is None:
self.draw()
else:
self.refresh_content(name=out)
def open_submission(self):
"Select the current submission to view posts"
submission = self.content.get(self.nav.absolute_index)['object']
page = SubmissionPage(self.stdscr, self.reddit, submission=submission)
page.loop()
@staticmethod
def draw_item(win, data, inverted=False):
n_rows, n_cols = win.getmaxyx()
n_cols -= 2 # Leave space for the cursor in the first column
# Handle the case where the window is not large enough to fit the data.
valid_rows = range(0, n_rows)
offset = 0 if not inverted else -(data['n_rows'] - n_rows)
n_title = len(data['split_title'])
for row, text in enumerate(data['split_title'], start=offset):
if row in valid_rows:
attr = curses.A_BOLD
win.addstr(row, 1, text, attr)
row = n_title + offset
if row in valid_rows:
attr = curses.A_UNDERLINE | Color.BLUE
win.addnstr(row, 1, '{url}'.format(**data), n_cols, attr)
row = n_title + offset + 1
if row in valid_rows:
win.addnstr(row, 1, '{created} {comments} {score}'.format(**data), n_cols)
row = n_title + offset + 2
if row in valid_rows:
win.addnstr(row, 1, '{author} {subreddit}'.format(**data), n_cols)