From e067a30f2dab9ccfa87520c911f0a67a4031668b Mon Sep 17 00:00:00 2001
From: Christian Stimming <stimming@tuhh.de>
Date: Sat, 31 Dec 2011 16:32:12 +0000
Subject: [PATCH] Read-only mode: Add "Revert file" menu item so that a file
 that might got changed from someone else can easily be reloaded.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@21810 57a11ea4-9604-0410-9ed3-97b8803252fd
---
 src/gnome/gnc-plugin-basic-commands.c         | 27 +++++++++++++++++++
 src/gnome/ui/gnc-plugin-basic-commands-ui.xml |  1 +
 2 files changed, 28 insertions(+)

diff --git a/src/gnome/gnc-plugin-basic-commands.c b/src/gnome/gnc-plugin-basic-commands.c
index c3093cb407..7a9e15dfc2 100644
--- a/src/gnome/gnc-plugin-basic-commands.c
+++ b/src/gnome/gnc-plugin-basic-commands.c
@@ -55,6 +55,7 @@
 #include "gnc-window.h"
 #include "gnc-session.h"
 #include "gnc-plugin-page-sx-list.h"
+#include "gnc-plugin-file-history.h"
 
 /* This static indicates the debugging module that this .o belongs to.  */
 static QofLogModule log_module = GNC_MOD_GUI;
@@ -70,6 +71,7 @@ static void gnc_main_window_cmd_file_new (GtkAction *action, GncMainWindowAction
 static void gnc_main_window_cmd_file_open (GtkAction *action, GncMainWindowActionData *data);
 static void gnc_main_window_cmd_file_save (GtkAction *action, GncMainWindowActionData *data);
 static void gnc_main_window_cmd_file_save_as (GtkAction *action, GncMainWindowActionData *data);
+static void gnc_main_window_cmd_file_revert (GtkAction *action, GncMainWindowActionData *data);
 static void gnc_main_window_cmd_file_export_accounts (GtkAction *action, GncMainWindowActionData *data);
 static void gnc_main_window_cmd_edit_tax_options (GtkAction *action, GncMainWindowActionData *data);
 static void gnc_main_window_cmd_actions_mortgage_loan (GtkAction *action, GncMainWindowActionData *data);
@@ -115,6 +117,11 @@ static GtkActionEntry gnc_plugin_actions [] =
         N_("Save this file with a different name"),
         G_CALLBACK (gnc_main_window_cmd_file_save_as)
     },
+    {
+        "FileRevertAction", GTK_STOCK_REVERT_TO_SAVED, N_("Re_vert"), NULL,
+        N_("Reload the current database, reverting all unsaved changes"),
+        G_CALLBACK (gnc_main_window_cmd_file_revert)
+    },
     {
         "FileExportAccountsAction", GTK_STOCK_CONVERT,
         N_("Export _Accounts"), NULL,
@@ -422,6 +429,26 @@ gnc_main_window_cmd_file_save_as (GtkAction *action, GncMainWindowActionData *da
     /* FIXME GNOME 2 Port (update the title etc.) */
 }
 
+static void
+gnc_main_window_cmd_file_revert (GtkAction *action, GncMainWindowActionData *data)
+{
+    g_return_if_fail (data != NULL);
+
+    if (!gnc_main_window_all_finish_pending())
+        return;
+
+    gnc_window_set_progressbar_window (GNC_WINDOW(data->window));
+
+    {
+        gchar *filename = gnc_history_get_last();
+        // And actually open the current file again
+        gnc_file_open_file (filename, qof_book_is_readonly(gnc_get_current_book()));
+        g_free(filename);
+    }
+
+    gnc_window_set_progressbar_window (NULL);
+}
+
 static void
 gnc_main_window_cmd_file_export_accounts (GtkAction *action, GncMainWindowActionData *data)
 {
diff --git a/src/gnome/ui/gnc-plugin-basic-commands-ui.xml b/src/gnome/ui/gnc-plugin-basic-commands-ui.xml
index 11ae07b3a2..e60ffce10d 100644
--- a/src/gnome/ui/gnc-plugin-basic-commands-ui.xml
+++ b/src/gnome/ui/gnc-plugin-basic-commands-ui.xml
@@ -10,6 +10,7 @@
       <placeholder name="FileSavePlaceholder">
         <menuitem name="FileSave" action="FileSaveAction"/>
         <menuitem name="FileSaveAs" action="FileSaveAsAction"/>
+        <menuitem name="FileRevert" action="FileRevertAction"/>
       </placeholder>
       <menu name="FileExport" action="FileExportAction">
         <menuitem name="FileExportAccounts" action="FileExportAccountsAction"/>