X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=bin%2Fmozilla%2Fis.pl;h=15105d31d97cbc9fd2ea8260970ffe438ded23fa;hb=1d1f31407ee1a66af5a0db0d10350bc29a371653;hp=3849ad2ef06c4bbe3dc906609dab733b18f6aee5;hpb=fee85764baaeeecac00c862a979cd52b4655fece;p=kivitendo-erp.git

diff --git a/bin/mozilla/is.pl b/bin/mozilla/is.pl
index 3849ad2ef..15105d31d 100644
--- a/bin/mozilla/is.pl
+++ b/bin/mozilla/is.pl
@@ -256,6 +256,8 @@ sub setup_is_action_bar {
   my $form                    = $::form;
   my $change_never            = $::instance_conf->get_is_changeable == 0;
   my $change_on_same_day_only = $::instance_conf->get_is_changeable == 2 && ($form->current_date(\%::myconfig) ne $form->{gldate});
+  my $payments_balanced       = ($::form->{oldtotalpaid} == 0);
+  my $has_storno              = ($::form->{storno} && !$::form->{storno_id});
 
   for my $bar ($::request->layout->get('actionbar')) {
     $bar->add(
@@ -298,7 +300,9 @@ sub setup_is_action_bar {
           submit   => [ '#form', { action => "storno" } ],
           confirm  => t8('Do you really want to cancel this invoice?'),
           checks   => [ 'kivi.validate_form' ],
-          disabled => !$form->{id} ? t8('This invoice has not been posted yet.') : undef,
+          disabled => !$form->{id}        ? t8('This invoice has not been posted yet.')
+                    : !$payments_balanced ? t8('Cancelling is disallowed. Either undo or balance the current payments until the open amount matches the invoice amount')
+                    : undef,
         ],
         action => [ t8('Delete'),
           submit   => [ '#form', { action => "delete" } ],
@@ -308,6 +312,7 @@ sub setup_is_action_bar {
                     : $form->{locked}          ? t8('The billing period has already been locked.')
                     : $change_never            ? t8('Changing invoices has been disabled in the configuration.')
                     : $change_on_same_day_only ? t8('Invoices can only be changed on the day they are posted.')
+                    : $has_storno              ? t8('Can only delete the "Storno zu" part of the cancellation pair.')
                     :                            undef,
         ],
       ], # end of combobox "Storno"
@@ -771,7 +776,7 @@ sub update {
       # ask if it is a part or service item
 
       if (   $form->{"partsgroup_$i"}
-          && ($form->{"partsnumber_$i"} eq "")
+          && ($form->{"partnumber_$i" } eq "")
           && ($form->{"description_$i"} eq "")) {
         $form->{rowcount}--;
         $form->{"discount_$i"} = "";