From bb57fca320b95ed5537188bc77fceafc61123608 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 21 May 2014 19:11:49 +0200
Subject: Fix so current page is reset on list-mode change (#1489907)

---
 program/steps/mail/func.inc | 90 ++++++++++++++++++++++++++++-----------------
 1 file changed, 57 insertions(+), 33 deletions(-)

(limited to 'program/steps/mail/func.inc')

diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc
index a1d1a4163..54adf6b8b 100644
--- a/program/steps/mail/func.inc
+++ b/program/steps/mail/func.inc
@@ -23,39 +23,8 @@
 // always instantiate storage object (but not connect to server yet)
 $RCMAIL->storage_init();
 
-// set imap properties and session vars
-if (!strlen($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true))) {
-    $mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX';
-}
-if (!($page = intval($_GET['_page']))) {
-    $page = $_SESSION['page'] ? $_SESSION['page'] : 1;
-}
-
-$RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
-$RCMAIL->storage->set_page($_SESSION['page'] = $page);
-
-$a_threading        = $RCMAIL->config->get('message_threading', array());
-$message_sort_col   = $RCMAIL->config->get('message_sort_col');
-$message_sort_order = $RCMAIL->config->get('message_sort_order');
-
-// set default sort col/order to session
-if (!isset($_SESSION['sort_col'])) {
-    $_SESSION['sort_col'] = $message_sort_col ? $message_sort_col : '';
-}
-if (!isset($_SESSION['sort_order'])) {
-  $_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC';
-}
-
-// set threads mode
-if (isset($_GET['_threads'])) {
-    if ($_GET['_threads'])
-        $a_threading[$_SESSION['mbox']] = true;
-    else
-        unset($a_threading[$_SESSION['mbox']]);
-
-    $RCMAIL->user->save_prefs(array('message_threading' => $a_threading));
-}
-$RCMAIL->storage->set_threading($a_threading[$_SESSION['mbox']]);
+// init environment - set current folder, page, list mode
+rcmail_init_env();
 
 // set message set for search result
 if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
@@ -184,6 +153,61 @@ $RCMAIL->register_action_map(array(
 ));
 
 
+/**
+ * Sets storage properties and session
+ */
+function rcmail_init_env()
+{
+    global $RCMAIL;
+
+    $a_threading        = $RCMAIL->config->get('message_threading', array());
+    $message_sort_col   = $RCMAIL->config->get('message_sort_col');
+    $message_sort_order = $RCMAIL->config->get('message_sort_order');
+
+    // set imap properties and session vars
+    if (!strlen($mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC, true))) {
+        $mbox = strlen($_SESSION['mbox']) ? $_SESSION['mbox'] : 'INBOX';
+    }
+    if (!($page = intval($_GET['_page']))) {
+        $page = $_SESSION['page'] ? $_SESSION['page'] : 1;
+    }
+
+    $RCMAIL->storage->set_folder($_SESSION['mbox'] = $mbox);
+    $RCMAIL->storage->set_page($_SESSION['page'] = $page);
+
+    // set default sort col/order to session
+    if (!isset($_SESSION['sort_col'])) {
+        $_SESSION['sort_col'] = $message_sort_col ? $message_sort_col : '';
+    }
+    if (!isset($_SESSION['sort_order'])) {
+        $_SESSION['sort_order'] = strtoupper($message_sort_order) == 'ASC' ? 'ASC' : 'DESC';
+    }
+
+    // set threads mode
+    if (isset($_GET['_threads'])) {
+        if ($_GET['_threads']) {
+            // re-set current page number when listing mode changes
+            if (!$a_threading[$_SESSION['mbox']]) {
+                $RCMAIL->storage->set_page($_SESSION['page'] = 1);
+            }
+
+            $a_threading[$_SESSION['mbox']] = true;
+        }
+        else {
+            // re-set current page number when listing mode changes
+            if ($a_threading[$_SESSION['mbox']]) {
+                $RCMAIL->storage->set_page($_SESSION['page'] = 1);
+            }
+
+            unset($a_threading[$_SESSION['mbox']]);
+        }
+
+        $RCMAIL->user->save_prefs(array('message_threading' => $a_threading));
+    }
+
+    $RCMAIL->storage->set_threading($a_threading[$_SESSION['mbox']]);
+}
+
 /**
  * Returns default search mods
  */
-- 
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