Fix thread watcher/expansion/hiding buttons after an index refresh.

src/Miscellaneous/ExpandThread.coffee

@@ -2,6 +2,8 @@ ExpandThread =
   init: ->
     return if g.VIEW isnt 'index' or !Conf['Thread Expansion']
 
+    $.on d, 'IndexRefresh', @onrefresh
+
     Thread.callbacks.push
       name: 'Thread Expansion'
       cb:   @node
@@ -15,6 +17,11 @@ ExpandThread =
     $.on a, 'click', ExpandThread.cbToggle
     $.replace span, a
 
+  onrefresh: ->
+    for threadID, thread of g.BOARD.threads
+      ExpandThread.node.call thread
+    return
+
   text: (status, posts, files) ->
     text = [status]
     text.push "#{posts} post#{if posts > 1 then 's' else ''}"

src/Miscellaneous/Index.coffee

@@ -83,7 +83,7 @@ Index =
       nodes.push threadRoot, $.el 'hr'
       unless thread = g.threads["#{g.BOARD}.#{data.no}"]
         thread = new Thread data.no, g.BOARD
-      threads.push thread
+        threads.push thread
       for postRoot in $$ '.thread > .postContainer', threadRoot
         continue if thread.posts[postRoot.id.match /\d+/]
         try
@@ -104,3 +104,4 @@ Index =
     $.rmAll board
     $.add board, nodes
     $('.pagelist').hidden = Conf['Index Mode'] isnt 'paged'
+    $.event 'IndexRefresh'

src/Monitoring/ThreadWatcher.coffee

@@ -12,6 +12,7 @@ ThreadWatcher =
     $.on d, 'QRPostSuccessful',   @cb.post
     $.on d, 'ThreadUpdate',       @cb.threadUpdate if g.VIEW is 'thread'
     $.on d, '4chanXInitFinished', @ready
+    $.on d, 'IndexRefresh',       @refresh
 
     now = Date.now()
     if (@db.data.lastChecked or 0) < now - 2 * $.HOUR