Can browse through list of subscribed multireddits

rtv/multireddits.py

@@ -0,0 +1,74 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+import curses
+
+from .page import Page, PageController
+from .content import MultiredditContent
+from .objects import Color, Navigator, Command
+
+
+class SubscriptionController(PageController):
+    character_map = {}
+
+
+class MultiredditPage(Page):
+
+    def __init__(self, reddit, multireddits, term, config):
+        super(MultiredditPage, self).__init__(reddit, term, config, None)
+
+        self.controller = SubscriptionController(self, keymap=config.keymap)
+        self.content = MultiredditContent.from_user(reddit, multireddits,
+                                                    term.loader)
+        self.nav = Navigator(self.content.get)
+        self.multireddit_data = None
+
+    @SubscriptionController.register(Command('REFRESH'))
+    def refresh_content(self, order=None, name=None):
+        "Re-download all subscriptions and reset the page index"
+
+        # reddit.get_multireddits() does not support sorting by order
+        if order:
+            self.term.flash()
+            return
+
+        with self.term.loader():
+            self.content = MultiredditContent.from_user(self.reddit,
+                                     self.multireddits, self.term.loader)
+        if not self.term.loader.exception:
+            self.nav = Navigator(self.content.get)
+
+    @SubscriptionController.register(Command('SUBSCRIPTION_SELECT'))
+    def select_multireddit(self):
+        "Store the selected multireddit and return to the subreddit page"
+
+        self.multireddit_data = self.content.get(self.nav.absolute_index)
+        self.active = False
+
+    @SubscriptionController.register(Command('SUBSCRIPTION_EXIT'))
+    def close_multireddit_subscriptions(self):
+        "Close multireddits and return to the subreddit page"
+
+        self.active = False
+
+    def _draw_banner(self):
+        # Subscriptions can't be sorted, so disable showing the order menu
+        pass
+
+    def _draw_item(self, win, data, inverted):
+        n_rows, n_cols = win.getmaxyx()
+        n_cols -= 1  # 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)
+
+        row = offset
+        if row in valid_rows:
+            attr = curses.A_BOLD | Color.YELLOW
+            self.term.add_line(win, '{name}'.format(**data), row, 1, attr)
+
+        row = offset + 1
+        for row, text in enumerate(data['split_title'], start=row):
+            if row in valid_rows:
+                self.term.add_line(win, text, row, 1)