Submission view up and running.

rtv/subreddit_viewer.py

@@ -0,0 +1,96 @@
+import praw
+import textwrap
+import curses
+
+from content_generators import SubredditContent
+from utils import curses_session
+from viewer import BaseViewer
+
+class SubredditViewer(BaseViewer):
+
+    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, ord(' ')):
+                pass
+
+            # Enter edit mode to change subreddit
+            elif cmd == ord('/'):
+                pass
+
+            # Refresh page
+            elif cmd in (curses.KEY_F5, ord('r')):
+                self.content.reset()
+                self.stdscr.clear()
+                self.draw()
+
+            elif cmd == curses.KEY_RESIZE:
+                self.draw()
+
+            # Quit
+            elif cmd == ord('q'):
+                break
+
+            else:
+                curses.beep()
+
+    def draw(self):
+
+        n_rows, n_cols = self.stdscr.getmaxyx()
+        self._header_window = self.stdscr.derwin(1, n_cols, 0, 0)
+        self._content_window = self.stdscr.derwin(1, 0)
+
+        self.draw_header()
+        self.draw_content()
+        self.add_cursor()
+
+    @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:
+                win.addstr(row, 1, text)
+
+        row = n_title + offset
+        if row in valid_rows:
+            win.addnstr(row, 1, '{url}'.format(**data), n_cols)
+
+        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)
+
+def main():
+
+    with curses_session() as stdscr:
+        r = praw.Reddit(user_agent='reddit terminal viewer (rtv) v0.0')
+        generator = SubredditContent(r)
+        viewer = SubredditViewer(stdscr, generator)
+        viewer.loop()
+
+if __name__ == '__main__':
+
+    main()