X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=sales%2Fincludes%2Fsales_ui.inc;h=5873c3eb755f8b2dba6621d58f4a17381944ebf0;hb=6ad3696e667dae724be6b85a10610df5889851fc;hp=64045bb155e78faddc5b1d1c2604bc30a5549cf7;hpb=c09be0dad6b05131e240349a375af7a4b7bf3444;p=fa-stable.git

diff --git a/sales/includes/sales_ui.inc b/sales/includes/sales_ui.inc
index 64045bb1..5873c3eb 100644
--- a/sales/includes/sales_ui.inc
+++ b/sales/includes/sales_ui.inc
@@ -1,5 +1,14 @@
 <?php
-
+/**********************************************************************
+    Copyright (C) FrontAccounting, LLC.
+	Released under the terms of the GNU General Public License, GPL, 
+	as published by the Free Software Foundation, either version 3 
+	of the License, or (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+    See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
 include_once($path_to_root . "/includes/date_functions.inc");
 
 include_once($path_to_root . "/includes/ui.inc");
@@ -10,12 +19,14 @@ include_once($path_to_root . "/includes/banking.inc");
 //
 function processing_start()
 {
+	page_processing(false);
     processing_end();
     $_SESSION['Processing'] = $_SERVER['PHP_SELF'];
 }
 
 function processing_end()
 {
+	page_processing(true);
     unset($_SESSION['Processing']);
     if ( isset($_SESSION['Items']) ) {
 		unset($_SESSION['Items']->line_items);
@@ -27,5 +38,18 @@ function processing_active()
 {
     return (isset($_SESSION['Processing']) && $_SESSION['Processing']==$_SERVER['PHP_SELF']);
 }
+/*
+	Check if the cart was not destroyed during opening the edition page in
+	another browser tab.
+*/
+function check_edit_conflicts($cart_id, $cartname='Items')
+{
+	global $Ajax, $SysPrefs;
+
+	if ((!isset($SysPrefs->no_check_edit_conflicts) || $SysPrefs->no_check_edit_conflicts==0) && $cart_id && $cart_id != $_SESSION[$cartname]->cart_id) {
+		display_error(_('This edit session has been abandoned by opening sales document in another browser tab. You cannot edit more than one sales document at once.'));
+		$Ajax->activate('_page_body');
+		display_footer_exit();
+	}
+}
 
-?>
\ No newline at end of file