Nicht abgfangene Typenkonvertierung in ca.pl
[kivitendo-erp.git] / bin / mozilla / ir.pl
index 9baa523..d848abc 100644 (file)
 #
 #======================================================================
 
+use SL::FU;
 use SL::IR;
+use SL::IS;
 use SL::PE;
+use List::Util qw(max sum);
 
-require "$form->{path}/io.pl";
-require "$form->{path}/arap.pl";
-require "$form->{path}/common.pl";
+require "bin/mozilla/io.pl";
+require "bin/mozilla/invoice_io.pl";
+require "bin/mozilla/arap.pl";
+require "bin/mozilla/common.pl";
+require "bin/mozilla/drafts.pl";
+
+use strict;
 
 1;
 
 # end of main
 
 sub add {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  return $main::lxdebug->leave_sub() if (load_draft_maybe());
 
   $form->{title} = $locale->text('Add Vendor Invoice');
 
@@ -51,38 +65,46 @@ sub add {
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub edit {
-  $lxdebug->enter_sub();
-  
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
   # show history button
   $form->{javascript} = qq|<script type=text/javascript src=js/show_history.js></script>|;
   #/show hhistory button
-  
+
   $form->{title} = $locale->text('Edit Vendor Invoice');
 
   &invoice_links;
   &prepare_invoice;
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub invoice_links {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  # create links
-  $form->{webdav} = $webdav;
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
-  # set jscalendar
-  $form->{jscalendar} = $jscalendar;
+  $main::auth->assert('vendor_invoice_edit');
+
+  # create links
+  $form->{webdav}   = $main::webdav;
+  $form->{jsscript} = 1;
 
   $form->create_links("AP", \%myconfig, "vendor");
 
   #quote all_vendor Bug 133
-  foreach $ref (@{ $form->{all_vendor} }) {
+  foreach my $ref (@{ $form->{all_vendor} }) {
     $ref->{name} = $form->quote($ref->{name});
   }
 
@@ -91,6 +113,8 @@ sub invoice_links {
       $form->{vendor_id} = $form->{all_vendor}->[0]->{id};
     }
   }
+
+  my ($payment_id, $language_id, $taxzone_id);
   if ($form->{payment_id}) {
     $payment_id = $form->{payment_id};
   }
@@ -101,11 +125,11 @@ sub invoice_links {
     $taxzone_id = $form->{taxzone_id};
   }
 
-  $cp_id = $form->{cp_id};
+  my $cp_id = $form->{cp_id};
   IR->get_vendor(\%myconfig, \%$form);
   IR->retrieve_invoice(\%myconfig, \%$form);
   $form->{cp_id} = $cp_id;
+
   if ($payment_id) {
     $form->{payment_id} = $payment_id;
   }
@@ -116,22 +140,11 @@ sub invoice_links {
     $form->{taxzone_id} = $taxzone_id;
   }
 
-  # currencies
-  @curr = split(/:/, $form->{currencies});
-  chomp $curr[0];
-  $form->{defaultcurrency} = $curr[0];
-
+  my @curr = split(/:/, $form->{currencies}); #seems to be missing
   map { $form->{selectcurrency} .= "<option>$_\n" } @curr;
 
   $form->{oldvendor} = "$form->{vendor}--$form->{vendor_id}";
 
-  # vendors
-  if (@{ $form->{all_vendor} }) {
-    $form->{vendor} = "$form->{vendor}--$form->{vendor_id}";
-    map { $form->{selectvendor} .= "<option>$_->{name}--$_->{id}\n" }
-      (@{ $form->{all_vendor} });
-  }
-
   # departments
   if ($form->{all_departments}) {
     $form->{selectdepartment} = "<option>\n";
@@ -145,16 +158,18 @@ sub invoice_links {
 
   # forex
   $form->{forex} = $form->{exchangerate};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
 
-  foreach $key (keys %{ $form->{AP_links} }) {
+  foreach my $key (keys %{ $form->{AP_links} }) {
 
-    foreach $ref (@{ $form->{AP_links}{$key} }) {
+    foreach my $ref (@{ $form->{AP_links}{$key} }) {
       $form->{"select$key"} .= "<option>$ref->{accno}--$ref->{description}\n";
     }
 
+    next unless $form->{acc_trans}{$key};
+
     if ($key eq "AP_paid") {
-      for $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
+      for my $i (1 .. scalar @{ $form->{acc_trans}{$key} }) {
         $form->{"AP_paid_$i"} =
           "$form->{acc_trans}{$key}->[$i-1]->{accno}--$form->{acc_trans}{$key}->[$i-1]->{description}";
 
@@ -184,24 +199,29 @@ sub invoice_links {
     ($form->datetonum($form->{invdate}, \%myconfig) <=
      $form->datetonum($form->{closedto}, \%myconfig));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub prepare_invoice {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   if ($form->{id}) {
 
     map { $form->{$_} =~ s/\"/&quot;/g } qw(invnumber ordnumber quonumber);
 
     my $i = 0;
-    foreach $ref (@{ $form->{invoice_details} }) {
+    foreach my $ref (@{ $form->{invoice_details} }) {
       $i++;
       map { $form->{"${_}_$i"} = $ref->{$_} } keys %{$ref};
 
-      ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
+      my ($dec) = ($form->{"sellprice_$i"} =~ /\.(\d+)/);
       $dec           = length $dec;
-      $decimalplaces = ($dec > 2) ? $dec : 2;
+      my $decimalplaces = ($dec > 2) ? $dec : 2;
 
       $form->{"sellprice_$i"} =
         $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
@@ -217,71 +237,77 @@ sub prepare_invoice {
     }
   }
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub form_header {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  # set option selected
-  foreach $item (qw(AP vendor currency department)) {
-    $form->{"select$item"} =~ s/ selected//;
-    $form->{"select$item"} =~
-      s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
-  }
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+  my $cgi      = $main::cgi;
 
-  $form->{radier} =
-    ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
+  $main::auth->assert('vendor_invoice_edit');
 
-  #quote selectvendor Bug 133
-  $form->{"selectvendor"} = $form->quote($form->{"selectvendor"});
+  push @{ $form->{AJAX} }, CGI::Ajax->new('set_duedate_vendor' => "$form->{script}?action=set_duedate_vendor");
 
-  $form->{exchangerate} =
-    $form->format_amount(\%myconfig, $form->{exchangerate});
+  # set option selected
+  foreach my $item (qw(AP vendor currency department)) {
+    $form->{"select$item"} =~ s/ selected//;
+    $form->{"select$item"} =~ s/option>\Q$form->{$item}\E/option selected>$form->{$item}/;
+  }
 
-  $form->{creditlimit} =
-    $form->format_amount(\%myconfig, $form->{creditlimit}, 0, "0");
-  $form->{creditremaining} =
-    $form->format_amount(\%myconfig, $form->{creditremaining}, 0, "0");
+  $form->{employee_id}     = $form->{old_employee_id} if $form->{old_employee_id};
+  $form->{salesman_id}     = $form->{old_salesman_id} if $form->{old_salesman_id};
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+  $form->{radier}          = ($form->current_date(\%myconfig) eq $form->{gldate}) ? 1 : 0;
+  $form->{exchangerate}    = $form->format_amount(\%myconfig, $form->{exchangerate});
+  $form->{creditlimit}     = $form->format_amount(\%myconfig, $form->{creditlimit}, 0, "0");
+  $form->{creditremaining} = $form->format_amount(\%myconfig, $form->{creditremaining}, 0, "0");
 
-  $exchangerate = "";
+  my $exchangerate = "";
   if ($form->{currency} ne $form->{defaultcurrency}) {
     if ($form->{forex}) {
-      $exchangerate .= qq|
-                <th align=right nowrap>|
-        . $locale->text('Exchangerate') . qq|</th>
-                <td>$form->{exchangerate}<input type=hidden name=exchangerate value=$form->{exchangerate}></td>
-|;
+      $exchangerate .= qq| <th align=right nowrap>| . $locale->text('Exchangerate') . qq|</th>
+                           <td>$form->{exchangerate}<input type=hidden name=exchangerate value=$form->{exchangerate}></td>\n|;
     } else {
-      $exchangerate .= qq|
-                <th align=right nowrap>|
-        . $locale->text('Exchangerate') . qq|</th>
-                <td><input name=exchangerate size=10 value=$form->{exchangerate}></td>
-|;
+      $exchangerate .= qq| <th align=right nowrap>| . $locale->text('Exchangerate') . qq|</th>
+                           <td><input name=exchangerate size=10 value=$form->{exchangerate}></td>\n|;
     }
   }
-  $exchangerate .= qq|
-<input type=hidden name=forex value=$form->{forex}>
-|;
+  $exchangerate .= qq| <input type=hidden name=forex value=$form->{forex}>\n|;
 
   my @old_project_ids = ($form->{"globalproject_id"});
-  map({ push(@old_project_ids, $form->{"project_id_$_"})
-          if ($form->{"project_id_$_"}); } (1..$form->{"rowcount"}));
-
-  $form->get_lists("contacts" => "ALL_CONTACTS",
-                   "projects" => { "key" => "ALL_PROJECTS",
-                                   "all" => 0,
-                                   "old_id" => \@old_project_ids });
-
-  my (%labels, @values);
+  map { push @old_project_ids, $form->{"project_id_$_"} if $form->{"project_id_$_"}; } 1..$form->{"rowcount"};
+
+  $form->get_lists("contacts"      => "ALL_CONTACTS",
+                   "projects"      => { "key"  => "ALL_PROJECTS",
+                                      "all"    => 0,
+                                      "old_id" => \@old_project_ids },
+                   "taxzones"      => "ALL_TAXZONES",
+                   "employees"     => "ALL_SALESMEN",
+                   "currencies"    => "ALL_CURRENCIES",
+                   "vendors"       => "ALL_VENDORS",
+                   "price_factors" => "ALL_PRICE_FACTORS");
+
+  my %labels;
+  my @values = (undef);
   foreach my $item (@{ $form->{"ALL_CONTACTS"} }) {
     push(@values, $item->{"cp_id"});
-    $labels{$item->{"cp_id"}} = $item->{"cp_name"} .
-      ($item->{"cp_abteilung"} ? " ($item->{cp_abteilung})" : "");
+    $labels{$item->{"cp_id"}} = $item->{"cp_name"} . ($item->{"cp_abteilung"} ? " ($item->{cp_abteilung})" : "");
+  }
+
+  my $contact;
+  if (scalar @values > 1) {
+    $contact = qq|
+    <tr>
+      <th align="right">| . $locale->text('Contact Person') . qq|</th>
+      <td>| .  NTI($cgi->popup_menu('-name' => 'cp_id', '-values' => \@values, '-style' => 'width: 250px',
+                                    '-labels' => \%labels, '-default' => $form->{"cp_id"})) . qq|
+      </td>
+    </tr>|;
   }
-  my $contact =
-    NTI($cgi->popup_menu('-name' => 'cp_id', '-values' => \@values,
-                         '-labels' => \%labels, '-default' => $form->{"cp_id"}));
 
   %labels = ();
   @values = ("");
@@ -289,168 +315,183 @@ sub form_header {
     push(@values, $item->{"id"});
     $labels{$item->{"id"}} = $item->{"projectnumber"};
   }
-  my $globalprojectnumber =
-    NTI($cgi->popup_menu('-name' => 'globalproject_id', '-values' => \@values,
-                         '-labels' => \%labels,
-                         '-default' => $form->{"globalproject_id"}));
-
-  if (@{ $form->{TAXZONE} }) {
-    $form->{selecttaxzone} = "";
-    foreach $item (@{ $form->{TAXZONE} }) {
-      if ($item->{id} == $form->{taxzone_id}) {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id} selected>" . H($item->{description}) .
-          "</option>";
-      } else {
-        $form->{selecttaxzone} .=
-          "<option value=$item->{id}>" . H($item->{description}) . "</option>";
-      }
+  my $globalprojectnumber = NTI($cgi->popup_menu('-name' => 'globalproject_id', '-values' => \@values, '-labels' => \%labels,
+                                                 '-default' => $form->{"globalproject_id"}));
 
-    }
-  } else {
-    $form->{selecttaxzone} =~ s/ selected//g;
-    if ($form->{taxzone_id} ne "") {
-      $form->{selecttaxzone} =~ s/value=$form->{taxzone_id}/value=$form->{taxzone_id} selected/;
-    }
+  %labels = ();
+  @values = ();
+  my $i = 0;
+  foreach my $item (@{ $form->{"ALL_CURRENCIES"} }) {
+    push(@values, $item);
+    $labels{$item} = $item;
   }
 
-  $taxzone = qq|
-             <tr>
-               <th align=right>| . $locale->text('Steuersatz') . qq|</th>
-               <td><select name=taxzone_id>$form->{selecttaxzone}</select></td>
-               <input type=hidden name=selecttaxzone value="$form->{selecttaxzone}">
-             </tr>|;
+  $form->{currency} = $form->{defaultcurrency} unless $form->{currency};
+  my $currencies;
+  if (scalar @values) {
+    $currencies = qq|
+    <tr>
+      <th align="right">| . $locale->text('Currency') . qq|</th>
+      <td>| .  NTI($cgi->popup_menu('-name' => 'currency', '-default' => $form->{"currency"},
+                                    '-values' => \@values, '-labels' => \%labels)) . qq|
+      </td>
+    </tr>|;
+  }
 
+  %labels = ();
+  @values = ();
+  foreach my $item (@{ $form->{"ALL_SALESMEN"} }) {
+    push(@values, $item->{"id"});
+    $labels{$item->{"id"}} = $item->{"name"};
+  }
+  my $employees = qq|
+    <tr>
+      <th align="right">| . $locale->text('Employee') . qq|</th>
+      <td>| .  NTI($cgi->popup_menu('-name' => 'employee_id', '-default' => $form->{"employee_id"},
+                                    '-values' => \@values, '-labels' => \%labels)) . qq|
+      </td>
+    </tr>|;
 
+  %labels = ();
+  @values = ();
+  foreach my $item (@{ $form->{"ALL_VENDORS"} }) {
+    push(@values, $item->{name}.qq|--|.$item->{"id"});
+    $labels{$item->{name}.qq|--|.$item->{"id"}} = $item->{"name"};
+  }
 
-  $vendor =
-    ($form->{selectvendor})
-    ? qq|<select name=vendor>$form->{selectvendor}</select>\n<input type=hidden name="selectvendor" value="$form->{selectvendor}">|
-    : qq|<input name=vendor value="$form->{vendor}" size=35>|;
+  $form->{selectvendor} = ($myconfig{vclimit} > scalar(@values));
 
-  $department = qq|
-              <tr>
-             <th align="right" nowrap>| . $locale->text('Department') . qq|</th>
-             <td colspan=3><select name=department>$form->{selectdepartment}</select>
-             <input type=hidden name=selectdepartment value="$form->{selectdepartment}">
-             </td>
-           </tr>
-| if $form->{selectdepartment};
+  my $vendors = qq|
+      <th align="right">| . $locale->text('Vendor') . qq|</th>
+      <td>| .
+        (($myconfig{vclimit} <=  scalar(@values))
+              ? qq|<input type="text" value="| . H($form->{vendor}) . qq|" name="vendor">|
+              : (NTI($cgi->popup_menu('-name' => 'vendor', '-default' => $form->{oldvendor},
+                                      '-onChange' => 'document.getElementById(\'update_button\').click();',
+                                      '-values' => \@values, '-labels' => \%labels, '-style' => 'width: 250px')))) . qq|
+        <input type="button" value="| . $locale->text('Details (one letter abbreviation)') . qq|" onclick="show_vc_details('vendor')">
+      </td>|;
 
-  $n = ($form->{creditremaining} =~ /-/) ? "0" : "1";
+  %labels = ();
+  @values = ();
+  foreach my $item (@{ $form->{"ALL_TAXZONES"} }) {
+    push(@values, $item->{"id"});
+    $labels{$item->{"id"}} = $item->{"description"};
+  }
 
-  # use JavaScript Calendar or not
-  $form->{jsscript} = $form->{jscalendar};
-  $jsscript = "";
-  if ($form->{jsscript}) {
-
-    # with JavaScript Calendar
-    $button1 = qq|
-       <td><input name=invdate id=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>
-       <td><input type=button name=invdate id="trigger1" value=|
-      . $locale->text('button') . qq|></td>
-       |;
-    $button2 = qq|
-       <td width="13"><input name=duedate id=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>
-       <td width="4"><input type=button name=duedate id="trigger2" value=|
-      . $locale->text('button') . qq|></td></td>
-     |;
-
-    #write Trigger
-    $jsscript =
-      Form->write_trigger(\%myconfig, "2", "invdate", "BL", "trigger1",
-                          "duedate", "BL", "trigger2");
+  my $taxzone;
+  if (!$form->{"id"}) {
+    $taxzone = qq|
+    <tr>
+      <th align="right">| . $locale->text('Steuersatz') . qq|</th>
+      <td>| .  NTI($cgi->popup_menu('-name' => 'taxzone_id', '-default' => $form->{"taxzone_id"},
+                                    '-values' => \@values, '-labels' => \%labels, '-style' => 'width: 250px')) . qq|
+      </td>
+    </tr>|;
   } else {
-
-    # without JavaScript Calendar
-    $button1 =
-      qq|<td><input name=invdate size=11 title="$myconfig{dateformat}" value=$form->{invdate}></td>|;
-    $button2 =
-      qq|<td width="13"><input name=duedate size=11 title="$myconfig{dateformat}" value=$form->{duedate}></td>|;
+    $taxzone = qq|
+    <tr>
+      <th align="right">| . $locale->text('Steuersatz') . qq|</th>
+      <td>
+        <input type="hidden" name="taxzone_id" value="| . H($form->{"taxzone_id"}) . qq|">
+        | . H($labels{$form->{"taxzone_id"}}) . qq|
+      </td>
+    </tr>|;
   }
 
-  $form->{"javascript"} .= qq|<script type="text/javascript" src="js/show_form_details.js"></script>|;
+  my $department = qq|
+           <tr>
+             <th align="right" nowrap>| . $locale->text('Department') . qq|</th>
+             <td colspan="3"><select name="department" style="width: 250px">$form->{selectdepartment}</select>
+             <input type="hidden" name="selectdepartment" value="$form->{selectdepartment}">
+             </td>
+           </tr>\n| if $form->{selectdepartment};
 
-  $jsscript .=
-    $form->write_trigger(\%myconfig, 2,
-                         "orddate", "BL", "trigger_orddate",
-                         "quodate", "BL", "trigger_quodate");
+  my $n = ($form->{creditremaining} =~ /-/) ? "0" : "1";
 
-  $form->header;
+  # use JavaScript Calendar or not
+  $form->{jsscript} = 1;
+  my $jsscript = "";
+
+  my $button1 = qq|
+     <td nowrap>
+         <input name=invdate id=invdate size=11 title="$myconfig{dateformat}" value="$form->{invdate}" onBlur=\"check_right_date_format(this)\"
+                onChange="if (this.value) set_duedate_vendor(['invdate__' + this.value, 'old_duedate__' + document.getElementsByName('duedate')[0].value, 'vendor_id__' + document.getElementsByName('vendor_id')[0].value],['duedate'])">
+         <input type=button name=invdate id="trigger1" value="?">
+     </td>\n|;
+
+#, 'old_duedate__'' + document.getElementsByName('duedate')[0].value, 'vendor_id__' + document.getElementsByName('vendor_id')[0].value],['duedate'])">
+  my $button2 = qq|
+     <td width="13" nowrap>
+          <input name=duedate id=duedate size=11 title="$myconfig{dateformat}" value="$form->{duedate}"  onBlur=\"check_right_date_format(this)\">
+          <input type=button name=duedate id="trigger2" value=| . $locale->text('button') . qq|>
+     </td>\n|;
+
+  #write Trigger
+  $jsscript =
+    Form->write_trigger(\%myconfig, "2",
+                        "invdate", "BL", "trigger1",
+                        "duedate", "BL", "trigger2");
+
+  my $follow_up_vc         =  $form->{vendor};
+  $follow_up_vc            =~ s/--\d*\s*$//;
+  my $follow_up_trans_info =  "$form->{invnumber} ($follow_up_vc)";
+
+  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_form_details.js"></script>|;
+  $form->{javascript} .= qq|<script type="text/javascript" src="js/common.js"></script>|;
+  $form->{javascript} .= qq|<script type="text/javascript" src="js/show_vc_details.js"></script>|;
+  $form->{javascript} .= qq|<script type="text/javascript" src="js/follow_up.js"></script>|;
+
+  $jsscript .= $form->write_trigger(\%myconfig, 2, "orddate", "BL", "trigger_orddate", "quodate", "BL", "trigger_quodate");
 
+  $form->header;
+  my $onload  = qq|focus()|;
+  $onload .= qq|;setupDateFormat('|. $myconfig{dateformat} .qq|', '|. $locale->text("Falsches Datumsformat!") .qq|')|;
+  $onload .= qq|;setupPoints('|. $myconfig{numberformat} .qq|', '|. $locale->text("wrongformat") .qq|')|;
   print qq|
-<body>
-
-<form method=post action=$form->{script}>
+<body onLoad="$onload">
+<script type="text/javascript" src="js/common.js"></script>
+<form method="post" action="ir.pl" name="Form">
+|;
 
-<input type=hidden name=id value=$form->{id}>
-<input type=hidden name=title value="$form->{title}">
-<input type=hidden name=vc value="vendor">
-<input type=hidden name=type value=$form->{type}>
-<input type=hidden name=level value=$form->{level}>
+  $form->hide_form(qw(id title vc type level creditlimit creditremaining closedto locked shippted storno storno_id
+                      max_dunning_level dunning_amount vendor_id oldvendor selectvendor taxaccounts
+                      fxgain_accno fxloss_accno taxpart taxservice cursor_fokus
+                      convert_from_oe_ids convert_from_do_ids),
+                      map { $_.'_rate', $_.'_description' } split / /, $form->{taxaccounts} );
 
-<input type=hidden name=creditlimit value=$form->{creditlimit}>
-<input type=hidden name=creditremaining value=$form->{creditremaining}>
+  print qq|<p>$form->{saved_message}</p>| if $form->{saved_message};
 
-<input type=hidden name=closedto value=$form->{closedto}>
-<input type=hidden name=locked value=$form->{locked}>
+  print qq|
 
-<input type=hidden name=shipped value=$form->{shipped}>
-<input type=hidden name=storno value=$form->{storno}>
-<input type=hidden name=storno_id value=$form->{storno_id}>
+<div class="listtop" width="100%">$form->{title}</div>
 
 <table width=100%>
-  <tr class=listtop>
-    <th class=listtop>$form->{title}</th>
-  </tr>
-  <tr height="5"></tr>
   <tr>
-    <td>
-      <table width=100%>
-        <tr valign=top>
-         <td>
+    <td valign="top">
            <table>
+        $vendors
+        $contact
+        <tr>
+          <td align="right">| . $locale->text('Credit Limit') . qq|</td>
+          <td>$form->{creditlimit}; | . $locale->text('Remaining') . qq| <span class="plus$n">$form->{creditremaining}</span></td>
+        </tr>
              <tr>
-               <th align=right nowrap>| . $locale->text('Vendor') . qq|</th>
-               <td colspan=3>$vendor</td>
-
-                <th align=richt nowrap>|
-    . $locale->text('Contact Person') . qq|</th>
-                <td colspan=3>$contact</td>
-
-                <input type=hidden name=vendor_id value=$form->{vendor_id}>
-               <input type=hidden name=oldvendor value="$form->{oldvendor}">
-
-             </tr>
-             <tr>
-               <td></td>
-               <td colspan=3>
-                 <table>
-                   <tr>
-                     <th nowrap>| . $locale->text('Credit Limit') . qq|</th>
-                     <td>$form->{creditlimit}</td>
-                     <td width=20%></td>
-                     <th nowrap>| . $locale->text('Remaining') . qq|</th>
-                     <td class="plus$n">$form->{creditremaining}</td>
-                   </tr>
-                 </table>
-               </td>
-             <tr>
-               <th align=right>| . $locale->text('Record in') . qq|</th>
-               <td colspan=3><select name=AP>$form->{selectAP}</select></td>
-               <input type=hidden name=selectAP value="$form->{selectAP}">
+               <th align="right">| . $locale->text('Record in') . qq|</th>
+               <td colspan="3"><select name="AP" style="width: 250px">$form->{selectAP}</select></td>
+               <input type="hidden" name="selectAP" value="$form->{selectAP}">
              </tr>
               $taxzone
               $department
              <tr>
-               <th align=right nowrap>| . $locale->text('Currency') . qq|</th>
-               <td><select name=currency>$form->{selectcurrency}</select></td>
+    $currencies
                $exchangerate
              </tr>
            </table>
          </td>
          <td align=right>
            <table>
+     $employees
              <tr>
                <th align=right nowrap>| . $locale->text('Invoice Number') . qq|</th>
                <td><input name=invnumber size=11 value="$form->{invnumber}"></td>
@@ -470,13 +511,13 @@ sub form_header {
              </tr>
         <tr>
           <th align="right" nowrap>| . $locale->text('Order Date') . qq|</th>
-          <td><input name="orddate" id="orddate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{orddate}) . qq|"></td>
-          <td><input type="button" name="b_orddate" id="trigger_orddate" value="?"></td>
+          <td><input name="orddate" id="orddate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{orddate}) . qq|" onBlur=\"check_right_date_format(this)\">
+           <input type="button" name="b_orddate" id="trigger_orddate" value="?"></td>
         </tr>
         <tr>
           <th align="right" nowrap>| . $locale->text('Quotation Date') . qq|</th>
-          <td><input name="quodate" id="quodate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{quodate}) . qq|"></td>
-          <td><input type="button" name="b_quodate" id="trigger_quodate" value="?"></td>
+          <td><input name="quodate" id="quodate" size="11" title="$myconfig{dateformat}" value="| . Q($form->{quodate}) . qq|" onBlur=\"check_right_date_format(this)\">
+           <input type="button" name="b_quodate" id="trigger_quodate" value="?"></td>
         </tr>
              <tr>
           <th align="right" nowrap>| . $locale->text('Project Number') . qq|</th>
@@ -491,33 +532,32 @@ sub form_header {
 
 $jsscript
 
-<input type=hidden name=selectcurrency value="$form->{selectcurrency}">
-<input type=hidden name=defaultcurrency value=$form->{defaultcurrency}>
-<input type=hidden name=fxgain_accno value=$form->{fxgain_accno}>
-<input type=hidden name=fxloss_accno value=$form->{fxloss_accno}>
-<input type=hidden name=webdav value=$webdav>
-
-<input type=hidden name=taxpart value="$form->{taxpart}">
-<input type=hidden name=taxservice value="$form->{taxservice}">
-
-<input type=hidden name=taxaccounts value="$form->{taxaccounts}">
+<input type=hidden name=webdav value=$main::webdav>
 |;
 
-  foreach $item (split / /, $form->{taxaccounts}) {
+  foreach my $item (split / /, $form->{taxaccounts}) {
     print qq|
 <input type=hidden name="${item}_rate" value=$form->{"${item}_rate"}>
 <input type=hidden name="${item}_description" value="$form->{"${item}_description"}">
 |;
   }
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub form_footer {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+  my $cgi      = $main::cgi;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   $form->{invtotal} = $form->{invsubtotal};
 
+  my ($rows, $introws);
   if (($rows = $form->numtextrows($form->{notes}, 25, 8)) < 2) {
     $rows = 2;
   }
@@ -525,14 +565,14 @@ sub form_footer {
     $introws = 2;
   }
   $rows = ($rows > $introws) ? $rows : $introws;
-  $notes =
+  my $notes =
     qq|<textarea name=notes rows=$rows cols=25 wrap=soft>$form->{notes}</textarea>|;
-  $intnotes =
+  my $intnotes =
     qq|<textarea name=intnotes rows=$rows cols=35 wrap=soft>$form->{intnotes}</textarea>|;
 
   $form->{taxincluded} = ($form->{taxincluded}) ? "checked" : "";
 
-  $taxincluded = "";
+  my $taxincluded = "";
   if ($form->{taxaccounts}) {
     $taxincluded = qq|
                <input name=taxincluded class=checkbox type=checkbox value=1 $form->{taxincluded}> <b>|
@@ -540,9 +580,10 @@ sub form_footer {
 |;
   }
 
+  my ($tax, $subtotal);
   if (!$form->{taxincluded}) {
 
-    foreach $item (split / /, $form->{taxaccounts}) {
+    foreach my $item (split / /, $form->{taxaccounts}) {
       if ($form->{"${item}_base"}) {
         $form->{invtotal} += $form->{"${item}_total"} =
           $form->round_amount(
@@ -553,7 +594,8 @@ sub form_footer {
 
         $tax .= qq|
                <tr>
-                 <th align=right>$form->{"${item}_description"}</th>
+                 <th align=right>$form->{"${item}_description"}&nbsp;|
+                    . $form->{"${item}_rate"} * 100 .qq|%</th>
                  <td align=right>$form->{"${item}_total"}</td>
                </tr>
 |;
@@ -573,7 +615,7 @@ sub form_footer {
   }
 
   if ($form->{taxincluded}) {
-    foreach $item (split / /, $form->{taxaccounts}) {
+    foreach my $item (split / /, $form->{taxaccounts}) {
       if ($form->{"${item}_base"}) {
         $form->{"${item}_total"} =
           $form->round_amount(
@@ -594,7 +636,8 @@ sub form_footer {
 
         $tax .= qq|
              <tr>
-               <th align=right>Enthaltene $form->{"${item}_description"}</th>
+               <th align=right>Enthaltene $form->{"${item}_description"}&nbsp;|
+                                   . $form->{"${item}_rate"} * 100 .qq|%</th>
                <td align=right>$form->{"${item}_total"}</td>
              </tr>
              <tr>
@@ -611,6 +654,21 @@ sub form_footer {
   $form->{invtotal}    =
     $form->format_amount(\%myconfig, $form->{invtotal}, 2, 0);
 
+  my $follow_ups_block;
+  if ($form->{id}) {
+    my $follow_ups = FU->follow_ups('trans_id' => $form->{id});
+
+    if (@{ $follow_ups} ) {
+      my $num_due       = sum map { $_->{due} * 1 } @{ $follow_ups };
+      $follow_ups_block = qq|
+      <tr>
+        <td colspan="2">| . $locale->text("There are #1 unfinished follow-ups of which #2 are due.", scalar @{ $follow_ups }, $num_due) . qq|</td>
+      </tr>
+|;
+    }
+  }
+
+  our $colspan;
   print qq|
   <tr>
     <td colspan=$colspan>
@@ -626,6 +684,7 @@ sub form_footer {
                <td>$notes</td>
                <td>$intnotes</td>
              </tr>
+        $follow_ups_block
            </table>
          </td>
          <td colspan=2 align=right width=100%>
@@ -634,7 +693,7 @@ sub form_footer {
            <table width=100%>
              $subtotal
              $tax
-             <tr>0
+             <tr>
                <th align=right>| . $locale->text('Total') . qq|</th>
                <td align=right>$form->{invtotal}</td>
              </tr>
@@ -645,7 +704,8 @@ sub form_footer {
     </td>
   </tr>
 |;
-  if ($webdav) {
+  my $webdav_list;
+  if ($main::webdav) {
     $webdav_list = qq|
   <tr>
     <td><hr size=3 noshade></td>
@@ -657,11 +717,11 @@ sub form_footer {
       <td align=left width=30%><b>Dateiname</b></td>
       <td align=left width=70%><b>Webdavlink</b></td>
 |;
-    foreach $file (keys %{ $form->{WEBDAV} }) {
+    foreach my $file (@{ $form->{WEBDAV} }) {
       $webdav_list .= qq|
       <tr>
-        <td align=left>$file</td>
-        <td align=left><a href="$form->{WEBDAV}{$file}">$form->{WEBDAV}{$file}</a></td>
+        <td align="left">$file->{name}</td>
+        <td align="left"><a href="$file->{link}">$file->{type}</a></td>
       </tr>
 |;
     }
@@ -673,9 +733,6 @@ sub form_footer {
     print $webdav_list;
   }
   print qq|
-<input type=hidden name=jscalendar value=$form->{jscalendar}>
-|;
-  print qq|
   <tr>
     <td colspan=$colspan>
       <table width=100%>
@@ -684,12 +741,14 @@ sub form_footer {
        </tr>
 |;
 
+  my @column_index;
   if ($form->{currency} eq $form->{defaultcurrency}) {
     @column_index = qw(datepaid source memo paid AP_paid);
   } else {
     @column_index = qw(datepaid source memo paid exchangerate AP_paid);
   }
 
+  my %column_data;
   $column_data{datepaid}     = "<th>" . $locale->text('Date') . "</th>";
   $column_data{paid}         = "<th>" . $locale->text('Amount') . "</th>";
   $column_data{exchangerate} = "<th>" . $locale->text('Exch') . "</th>";
@@ -705,9 +764,11 @@ sub form_footer {
        </tr>
 |;
 
-  my @triggers = ();
+  my @triggers  = ();
+  my $totalpaid = 0;
+
   $form->{paidaccounts}++ if ($form->{"paid_$form->{paidaccounts}"});
-  for $i (1 .. $form->{paidaccounts}) {
+  for my $i (1 .. $form->{paidaccounts}) {
 
     print qq|
        <tr>
@@ -717,6 +778,8 @@ sub form_footer {
     $form->{"selectAP_paid_$i"} =~
       s/option>\Q$form->{"AP_paid_$i"}\E/option selected>$form->{"AP_paid_$i"}/;
 
+    $totalpaid += $form->{"paid_$i"};
+
     # format amounts
     if ($form->{"paid_$i"}) {
       $form->{"paid_$i"} =
@@ -725,7 +788,7 @@ sub form_footer {
     $form->{"exchangerate_$i"} =
       $form->format_amount(\%myconfig, $form->{"exchangerate_$i"});
 
-    $exchangerate = qq|&nbsp;|;
+    my $exchangerate = qq|&nbsp;|;
     if ($form->{currency} ne $form->{defaultcurrency}) {
       if ($form->{"forex_$i"}) {
         $exchangerate =
@@ -740,17 +803,17 @@ sub form_footer {
 |;
 
     $column_data{"paid_$i"} =
-      qq|<td align=center><input name="paid_$i" size=11 value=$form->{"paid_$i"}></td>|;
+      qq|<td align=center><input name="paid_$i" size=11 value="$form->{"paid_$i"}" onBlur=\"check_right_number_format(this)\"></td>|;
     $column_data{"exchangerate_$i"} = qq|<td align=center>$exchangerate</td>|;
     $column_data{"AP_paid_$i"}      =
       qq|<td align=center><select name="AP_paid_$i">$form->{"selectAP_paid_$i"}</select></td>|;
     $column_data{"datepaid_$i"} =
-      qq|<td align=center><input name="datepaid_$i" id="datepaid_$i" size=11 title="$myconfig{dateformat}" value=$form->{"datepaid_$i"}>
+      qq|<td align=center><input name="datepaid_$i" id="datepaid_$i" size=11 title="$myconfig{dateformat}" value="$form->{"datepaid_$i"}" onBlur=\"check_right_date_format(this)\">
          <input type="button" name="datepaid_$i" id="trigger_datepaid_$i" value="?"></td>|;
     $column_data{"source_$i"} =
-      qq|<td align=center><input name="source_$i" size=11 value=$form->{"source_$i"}></td>|;
+      qq|<td align=center><input name="source_$i" size=11 value="$form->{"source_$i"}"></td>|;
     $column_data{"memo_$i"} =
-      qq|<td align=center><input name="memo_$i" size=11 value=$form->{"memo_$i"}></td>|;
+      qq|<td align=center><input name="memo_$i" size=11 value="$form->{"memo_$i"}"></td>|;
 
     map { print qq|$column_data{"${_}_$i"}\n| } @column_index;
 
@@ -760,7 +823,22 @@ sub form_footer {
     push(@triggers, "datepaid_$i", "BL", "trigger_datepaid_$i");
   }
 
+  my $paid_missing = $form->{oldinvtotal} - $totalpaid;
+
   print qq|
+        <tr>
+          <td></td>
+          <td></td>
+          <td align="center">| . $locale->text('Total') . qq|</td>
+          <td align="center">| . H($form->format_amount(\%myconfig, $totalpaid, 2)) . qq|</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td></td>
+          <td align="center">| . $locale->text('Missing amount') . qq|</td>
+          <td align="center">| . H($form->format_amount(\%myconfig, $paid_missing, 2)) . qq|</td>
+        </tr>
+
            <input type=hidden name=oldinvtotal value=$form->{oldinvtotal}>
            <input type=hidden name=paidaccounts value=$form->{paidaccounts}>
            <input type=hidden name=selectAP_paid value="$form->{selectAP_paid}">
@@ -774,16 +852,22 @@ sub form_footer {
 <br>
 |;
 
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+  my $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
+  my $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+
+  print qq|<input class=submit type=submit name=action id=update_button value="|
+    . $locale->text('Update') . qq|">
+|;
 
   if ($form->{id}) {
+    my $show_storno = !$form->{storno} && !IS->has_storno(\%myconfig, $form, "ap") && (($totalpaid == 0) || ($totalpaid eq ""));
+
     print qq|<input class=submit type=submit name=action value="|
       . $locale->text('Post Payment') . qq|">
 |;
     print qq|<input class=submit type=submit name=action value="|
       . $locale->text('Storno') . qq|">
-| unless ($form->{storno});
+| if ($show_storno);
     if ($form->{radier}) {
     print qq|
     <input class=submit type=submit name=action value="|
@@ -792,84 +876,84 @@ sub form_footer {
   }
     print qq|<input class=submit type=submit name=action value="|
       . $locale->text('Use As Template') . qq|">
+        <input type="button" class="submit" onclick="follow_up_window()" value="|
+      . $locale->text('Follow-Up')
+      . qq|">
 |;
 
   }
 
-  print qq|<input class=submit type=submit name=action id=update_button value="|
-    . $locale->text('Update') . qq|">|;
-
   if (!$form->{id} && ($invdate > $closedto)) {
     print qq| <input class=submit type=submit name=action value="|
-      . $locale->text('Post') . qq|">|;
+      . $locale->text('Post') . qq|"> | .
+      NTI($cgi->submit('-name' => 'action', '-value' => $locale->text('Save draft'),
+                       '-class' => 'submit'));
   }
 
-  print $form->write_trigger(\%myconfig, scalar(@triggers) / 3, @triggers) .
-    qq|
-
-<input type=hidden name=rowcount value=$form->{rowcount}>
-
-<input name=callback type=hidden value="$form->{callback}">
+  print $form->write_trigger(\%myconfig, scalar(@triggers) / 3, @triggers);
+  $form->hide_form(qw(rowcount callback draft_id draft_description vendor_discount));
 
-<input type=hidden name=path value=$form->{path}>
-<input type=hidden name=login value=$form->{login}>
-<input type=hidden name=password value=$form->{password}>
-|;
   # button for saving history
   if($form->{id} ne "") {
     print qq|
-         <input type=button class=submit onclick=set_history_window(|
-         . $form->{id} 
-         . qq|); name=history id=history value=|
-         . $locale->text('history') 
-         . qq|>|;
+         <input type="button" class="submit" onclick="set_history_window(|
+         . Q($form->{id})
+         . qq|);" name="history" id="history" value="|
+         . $locale->text('history')
+         . qq|">|;
   }
   # /button for saving history
-
+  # mark_as_paid button
+  if($form->{id} ne "") {
+    print qq| <input type="submit" class="submit" name="action" value="|
+          . $locale->text('mark as paid') . qq|">|;
+  }
+  # /mark_as_paid button
 print qq|</form>
-
 </body>
 </html>
 |;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
+}
+
+sub mark_as_paid {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  &mark_as_paid_common(\%myconfig,"ap");
+
+  $main::lxdebug->leave_sub();
 }
 
 sub update {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
 
-  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) }
-    qw(exchangerate creditlimit creditremaining);
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
 
-  &check_name(vendor);
+  $main::auth->assert('vendor_invoice_edit');
 
-  $form->{exchangerate} = $exchangerate
-    if (
-        $form->{forex} = (
-                      $exchangerate =
-                        $form->check_exchangerate(
-                        \%myconfig, $form->{currency}, $form->{invdate}, 'sell'
-                        )));
+  map { $form->{$_} = $form->parse_amount(\%myconfig, $form->{$_}) } qw(exchangerate creditlimit creditremaining);
 
-  for $i (1 .. $form->{paidaccounts}) {
-    if ($form->{"paid_$i"}) {
-      map {
-        $form->{"${_}_$i"} =
-          $form->parse_amount(\%myconfig, $form->{"${_}_$i"})
-      } qw(paid exchangerate);
-
-      $form->{"exchangerate_$i"} = $exchangerate
-        if (
-            $form->{"forex_$i"} = (
-                $exchangerate =
-                  $form->check_exchangerate(
-                  \%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'sell'
-                  )));
-    }
+  &check_name('vendor');
+
+  $form->{forex}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{invdate}, 'sell');
+  $form->{exchangerate} = $form->{forex} if $form->{forex};
+
+  for my $i (1 .. $form->{paidaccounts}) {
+    next unless $form->{"paid_$i"};
+    map { $form->{"${_}_$i"} = $form->parse_amount(\%myconfig, $form->{"${_}_$i"}) } qw(paid exchangerate);
+    $form->{"forex_$i"}        = $form->check_exchangerate(\%myconfig, $form->{currency}, $form->{"datepaid_$i"}, 'sell');
+    $form->{"exchangerate_$i"} = $form->{"forex_$i"} if $form->{"forex_$i"};
   }
 
-  $i            = $form->{rowcount};
-  $exchangerate = ($form->{exchangerate}) ? $form->{exchangerate} : 1;
+  my $i            = $form->{rowcount};
+  my $exchangerate = ($form->{exchangerate} * 1) || 1;
 
   if (   ($form->{"partnumber_$i"} eq "")
       && ($form->{"description_$i"} eq "")
@@ -894,37 +978,31 @@ sub update {
       } else {
 
         # override sellprice if there is one entered
-        $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
-
-        map { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g }
-          qw(partnumber description unit);
+        my $sellprice = $form->parse_amount(\%myconfig, $form->{"sellprice_$i"});
 
-        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} }
-          keys %{ $form->{item_list}[0] };
+       # ergaenzung fuer bug 736 Lieferanten-Rabatt auch in Einkaufsrechnungen vorbelegen jb
+        $form->{"discount_$i"} = $form->format_amount(\%myconfig,
+                                                     $form->{vendor_discount} * 100 );
+        map { $form->{item_list}[$i]{$_} =~ s/\"/&quot;/g } qw(partnumber description unit);
+        map { $form->{"${_}_$i"} = $form->{item_list}[0]{$_} } keys %{ $form->{item_list}[0] };
 
-        $s = ($sellprice) ? $sellprice : $form->{"sellprice_$i"};
+        $form->{"marge_price_factor_$i"} = $form->{item_list}->[0]->{price_factor};
 
-        ($dec) = ($s =~ /\.(\d+)/);
-        $dec           = length $dec;
-        $decimalplaces = ($dec > 2) ? $dec : 2;
+        ($sellprice || $form->{"sellprice_$i"}) =~ /\.(\d+)/;
+        my $dec_qty       = length $1;
+        my $decimalplaces = max 2, $dec_qty;
 
         if ($sellprice) {
           $form->{"sellprice_$i"} = $sellprice;
         } else {
-
           # if there is an exchange rate adjust sellprice
           $form->{"sellprice_$i"} /= $exchangerate;
         }
 
-        $amount =
-          $form->{"sellprice_$i"} * $form->{"qty_$i"} *
-          (1 - $form->{"discount_$i"} / 100);
+        my $amount                   = $form->{"sellprice_$i"} * $form->{"qty_$i"} * (1 - $form->{"discount_$i"} / 100);
         $form->{creditremaining} -= $amount;
-        $form->{"sellprice_$i"} =
-          $form->format_amount(\%myconfig, $form->{"sellprice_$i"},
-                               $decimalplaces);
-        $form->{"qty_$i"} =
-          $form->format_amount(\%myconfig, $form->{"qty_$i"}, $dec_qty);
+        $form->{"sellprice_$i"}   = $form->format_amount(\%myconfig, $form->{"sellprice_$i"}, $decimalplaces);
+        $form->{"qty_$i"}         = $form->format_amount(\%myconfig, $form->{"qty_$i"},       $dec_qty);
       }
 
       &display_form;
@@ -939,39 +1017,69 @@ sub update {
           && ($form->{"description_$i"} eq "")) {
         $form->{rowcount}--;
         $form->{"discount_$i"} = "";
-        &display_form;
-          } else {
+        display_form();
 
+      } else {
         $form->{"id_$i"}   = 0;
-        $form->{"unit_$i"} = $locale->text('ea');
-
-        &new_item;
-
+        new_item();
       }
     }
   }
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub storno {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   if ($form->{storno}) {
     $form->error($locale->text('Cannot storno storno invoice!'));
   }
 
+  if (IS->has_storno(\%myconfig, $form, "ap")) {
+    $form->error($locale->text("Invoice has already been storno'd!"));
+  }
+
+  my $employee_id = $form->{employee_id};
+  invoice_links();
+  prepare_invoice();
+  relink_accounts();
+
+  # Payments must not be recorded for the new storno invoice.
+  $form->{paidaccounts} = 0;
+  map { my $key = $_; delete $form->{$key} if grep { $key =~ /^$_/ } qw(datepaid_ source_ memo_ paid_ exchangerate_ AR_paid_) } keys %{ $form };
+
+  # saving the history
+  if(!exists $form->{addition} && $form->{id} ne "") {
+    $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
+    $form->{addition} = "CANCELED";
+    $form->save_history($form->dbconnect(\%myconfig));
+  }
+  # /saving the history
+
   $form->{storno_id} = $form->{id};
   $form->{storno} = 1;
   $form->{id} = "";
   $form->{invnumber} = "Storno zu " . $form->{invnumber};
-
-  &post();
-  $lxdebug->leave_sub();
+  $form->{rowcount}++;
+  $form->{employee_id} = $employee_id;
+  post();
+  $main::lxdebug->leave_sub();
 
 }
 
 sub use_as_template {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   map { delete $form->{$_} } qw(printed emailed queued invnumber invdate deliverydate id datepaid_1 source_1 memo_1 paid_1 exchangerate_1 AP_paid_1 storno);
   $form->{paidaccounts} = 1;
@@ -979,25 +1087,31 @@ sub use_as_template {
   $form->{invdate} = $form->current_date(\%myconfig);
   &display_form;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post_payment {
-  $lxdebug->enter_sub();
-  for $i (1 .. $form->{paidaccounts}) {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+  for my $i (1 .. $form->{paidaccounts}) {
     if ($form->{"paid_$i"}) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
       $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($datepaid <= $closedto);
+        if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
-        $form->{"exchangerate_$i"} = $form->{exchangerate}
-          if ($invdate == $datepaid);
-        $form->isblank("exchangerate_$i",
-                       $locale->text('Exchangerate for payment missing!'));
+#        $form->{"exchangerate_$i"} = $form->{exchangerate} if ($invdate == $datepaid); # invdate isn't set here
+        $form->isblank("exchangerate_$i", $locale->text('Exchangerate for payment missing!'));
       }
     }
   }
@@ -1005,52 +1119,67 @@ sub post_payment {
   ($form->{AP})      = split /--/, $form->{AP};
   ($form->{AP_paid}) = split /--/, $form->{AP_paid};
   if (IR->post_payment(\%myconfig, \%$form)){
-       
-       if(!exists $form->{addition} && $form->{id} ne "") {
+       if (!exists $form->{addition} && $form->{id} ne "") {
                # saving the history
+      $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
                $form->{addition} = "PAYMENT POSTED";
+      $form->{what_done} = $form->{currency} . qq| | . $form->{paid} . qq| | . $locale->text("POSTED");
                $form->save_history($form->dbconnect(\%myconfig));
-               # /saving the history 
-               $form->redirect($locale->text(' Payment posted!'));
+               # /saving the history
        }
+
+    $form->redirect($locale->text('Payment posted!'));
   }
-    $form->error($locale->text('Cannot post payment!'));
 
+  $form->error($locale->text('Cannot post payment!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub post {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
+  $form->{defaultcurrency} = $form->get_default_currency(\%myconfig);
+
+  $form->isblank("invdate",   $locale->text('Invoice Date missing!'));
+  $form->isblank("vendor",    $locale->text('Vendor missing!'));
+  $form->isblank("invnumber", $locale->text('Invnumber missing!'));
 
-  $form->isblank("invdate", $locale->text('Invoice Date missing!'));
-  $form->isblank("vendor",  $locale->text('Vendor missing!'));
+  $form->{invnumber} =~ s/^\s*//g;
+  $form->{invnumber} =~ s/\s*$//g;
 
   # if the vendor changed get new values
-  if (&check_name(vendor)) {
+  if (&check_name('vendor')) {
     &update;
     exit;
   }
 
   &validate_items;
 
-  $closedto = $form->datetonum($form->{closedto}, \%myconfig);
-  $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
+  my $closedto = $form->datetonum($form->{closedto}, \%myconfig);
+  my $invdate  = $form->datetonum($form->{invdate},  \%myconfig);
+  my $i        = $form->{rowcount};
 
   $form->error($locale->text('Cannot post invoice for a closed period!'))
-    if ($invdate <= $closedto);
+    if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
 
   $form->isblank("exchangerate", $locale->text('Exchangerate missing!'))
     if ($form->{currency} ne $form->{defaultcurrency});
 
   for $i (1 .. $form->{paidaccounts}) {
     if ($form->parse_amount(\%myconfig, $form->{"paid_$i"})) {
-      $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
+      my $datepaid = $form->datetonum($form->{"datepaid_$i"}, \%myconfig);
 
       $form->isblank("datepaid_$i", $locale->text('Payment date missing!'));
 
       $form->error($locale->text('Cannot post payment for a closed period!'))
-        if ($datepaid <= $closedto);
+        if ($form->date_closed($form->{"datepaid_$i"}, \%myconfig));
 
       if ($form->{currency} ne $form->{defaultcurrency}) {
         $form->{"exchangerate_$i"} = $form->{exchangerate}
@@ -1063,30 +1192,38 @@ sub post {
 
   ($form->{AP})      = split /--/, $form->{AP};
   ($form->{AP_paid}) = split /--/, $form->{AP_paid};
+  $form->{storno}  ||= 0;
 
   $form->{id} = 0 if $form->{postasnew};
 
 
   relink_accounts();
-  if (IR->post_invoice(\%myconfig, \%$form)){ 
+  if (IR->post_invoice(\%myconfig, \%$form)){
        # saving the history
        if(!exists $form->{addition} && $form->{id} ne "") {
-               $form->{addition} = "POSTED";
+      $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
+      $form->{addition} = "POSTED";
                #$form->{what_done} = $locale->text("Rechnungsnummer") . qq| | . $form->{invnumber};
                $form->save_history($form->dbconnect(\%myconfig));
        }
        # /saving the history
+    remove_draft() if $form->{remove_draft};
        $form->redirect(  $locale->text('Invoice')
                   . " $form->{invnumber} "
                   . $locale->text('posted!'));
   }
   $form->error($locale->text('Cannot post invoice!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub delete {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
 
   $form->header;
   print qq|
@@ -1098,7 +1235,8 @@ sub delete {
   # delete action variable
   map { delete $form->{$_} } qw(action header);
 
-  foreach $key (keys %$form) {
+  foreach my $key (keys %$form) {
+    next if (($key eq 'login') || ($key eq 'password') || ('' ne ref $form->{$key}));
     $form->{$key} =~ s/\"/&quot;/g;
     print qq|<input type=hidden name=$key value="$form->{$key}">\n|;
   }
@@ -1115,21 +1253,41 @@ sub delete {
 </form>
 |;
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
 }
 
 sub yes {
-  $lxdebug->enter_sub();
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+  my %myconfig = %main::myconfig;
+  my $locale   = $main::locale;
+
+  $main::auth->assert('vendor_invoice_edit');
+
   if (IR->delete_invoice(\%myconfig, \%$form)) {
     # saving the history
     if(!exists $form->{addition}) {
+      $form->{snumbers} = qq|invnumber_| . $form->{invnumber};
          $form->{addition} = "DELETED";
          $form->save_history($form->dbconnect(\%myconfig));
     }
-    # /saving the history 
+    # /saving the history
     $form->redirect($locale->text('Invoice deleted!'));
   }
   $form->error($locale->text('Cannot delete invoice!'));
 
-  $lxdebug->leave_sub();
+  $main::lxdebug->leave_sub();
+}
+
+sub set_duedate_vendor {
+  $main::lxdebug->enter_sub();
+
+  my $form     = $main::form;
+
+  print $form->ajax_response_header(), IR->get_duedate('vendor_id' => $form->{vendor_id},
+                                                       'invdate'   => $form->{invdate},
+                                                       'default'   => $form->{old_duedate});
+
+  $main::lxdebug->leave_sub();
 }