Better wrapping on comments in documents.

[fa-stable.git] / sales / includes / sales_ui.inc

diff --git a/sales/includes/sales_ui.inc b/sales/includes/sales_ui.inc
index a8abacab896ac79f81c51e770ccfeebcf4578bd3..5873c3eb755f8b2dba6621d58f4a17381944ebf0 100644 (file)
--- a/sales/includes/sales_ui.inc
+++ b/sales/includes/sales_ui.inc
@@ -1,8 +1,55 @@
 <?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($path_to_root . "/includes/ui.inc");
 include_once($path_to_root . "/includes/banking.inc");
 
-?>
\ No newline at end of file
+//----------------------------------------------------------------------------
+// helper functions for script execution control
+//
+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);
+               unset($_SESSION['Items']);
+    }
+}
+
+function processing_active()
+{
+    return (isset($_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();
+       }
+}
+