From 0052c8044c8911694cbc5de25a1bae1bac830a4d Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Thu, 31 May 2018 16:24:34 +1000
Subject: [PATCH] another many decks speedup

---
 aqt/deckbrowser.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/aqt/deckbrowser.py b/aqt/deckbrowser.py
index 8447e2a25..95b04bc04 100644
--- a/aqt/deckbrowser.py
+++ b/aqt/deckbrowser.py
@@ -133,13 +133,14 @@ where id > ?""", (self.mw.col.sched.dayCutoff-86400)*1000)
             buf += self._topLevelDragRow()
         else:
             buf = ""
+        nameMap = self.mw.col.decks.nameMap()
         for node in nodes:
-            buf += self._deckRow(node, depth, len(nodes))
+            buf += self._deckRow(node, depth, len(nodes), nameMap)
         if depth == 0:
             buf += self._topLevelDragRow()
         return buf
 
-    def _deckRow(self, node, depth, cnt):
+    def _deckRow(self, node, depth, cnt, nameMap):
         name, did, due, lrn, new, children = node
         deck = self.mw.col.decks.get(did)
         if did == 1 and cnt > 1 and not children:
@@ -147,7 +148,7 @@ where id > ?""", (self.mw.col.sched.dayCutoff-86400)*1000)
             if not self.mw.col.db.scalar("select 1 from cards where did = 1"):
                 return ""
         # parent toggled for collapsing
-        for parent in self.mw.col.decks.parents(did):
+        for parent in self.mw.col.decks.parents(did, nameMap):
             if parent['collapsed']:
                 buff = ""
                 return buff