From 82367fdd9333de1b2f98d29697c8883c5484b4d0 Mon Sep 17 00:00:00 2001
From: Charles Haley <>
Date: Mon, 2 Jul 2012 17:08:59 +0200
Subject: [PATCH] Add option to the user-defined device to swap main and card

---
 src/calibre/devices/user_defined/driver.py | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/calibre/devices/user_defined/driver.py b/src/calibre/devices/user_defined/driver.py
index 6c4e1f77d9..296700d7c8 100644
--- a/src/calibre/devices/user_defined/driver.py
+++ b/src/calibre/devices/user_defined/driver.py
@@ -66,6 +66,9 @@ class USER_DEFINED(USBMS):
         _('Card A folder') + ':::<p>' +
             _('Enter the folder where the books are to be stored. This folder '
               'is prepended to any send_to_device template') + '</p>',
+        _('Swap main and card A') + ':::<p>' +
+            _('Check this box if the device\'s main memory is being seen as '
+              'card a and the card is being seen as main memory') + '</p>',
     ]
     EXTRA_CUSTOMIZATION_DEFAULT = [
                 '0xffff',
@@ -78,16 +81,19 @@ class USER_DEFINED(USBMS):
                 '',
                 '',
                 '',
+                False,
     ]
     OPT_USB_VENDOR_ID           = 0
     OPT_USB_PRODUCT_ID          = 1
     OPT_USB_REVISION_ID         = 2
+    # OPT 3 isn't used
     OPT_USB_WINDOWS_MM_VEN_ID   = 4
     OPT_USB_WINDOWS_MM_ID       = 5
     OPT_USB_WINDOWS_CA_VEN_ID   = 6
     OPT_USB_WINDOWS_CA_ID       = 7
     OPT_MAIN_MEM_FOLDER         = 8
     OPT_CARD_A_FOLDER           = 9
+    OPT_SWAP_MAIN_AND_CARD      = 10
 
     def initialize(self):
         self.plugin_needs_delayed_initialization = True
@@ -113,4 +119,28 @@ class USER_DEFINED(USBMS):
             traceback.print_exc()
         self.plugin_needs_delayed_initialization = False
 
+    def windows_sort_drives(self, drives):
+
+        if len(drives) < 2: return drives
+        e = self.settings().extra_customization
+        if not e[self.OPT_SWAP_MAIN_AND_CARD]:
+            return drives
+        main = drives.get('main', None)
+        carda = drives.get('carda', None)
+        if main and carda:
+            drives['main'] = carda
+            drives['carda'] = main
+        return drives
+
+    def linux_swap_drives(self, drives):
+        if len(drives) < 2 or not drives[1] or not drives[2]: return drives
+        e = self.settings().extra_customization
+        if not e[self.OPT_SWAP_MAIN_AND_CARD]:
+            return drives
+        drives = list(drives)
+        t = drives[0]
+        drives[0] = drives[1]
+        drives[1] = t
+        return tuple(drives)
+