On Fri, 2020-07-03 at 10:04 +0800, Christopher Lam wrote:
> Going forward, it will be useful to attach your custom invoice and we
> can offer better feedback.

Sure, I just didn't want to expose anyone else to this mess - but if
you're feeling brave... 
/* Stylesheet for cwo-invoice.scm -- eguile-based Gnucash invoice report */
/* Version 0.03 */

@font-face {
  font-family: "DejaVuSansMono";
  src: url("DejaVuSansMono.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

body {
font-family: DejaVuSansMono;
font-size: 80%;
}

div.main { 
position: relative;
margin: 2em;
max-width: 18cm;
min-height: 22cm;
padding: 2em;
border: 1px solid #000;
}

h1.coyname {
margin: 0em;
padding: 0em;
text-align: left;
font-size: 1.8em;
}
h2.invoice {
padding: 0em;
margin: 0em;
font-size: 1.8em;
}
  h2.invoice small {
  font-weight: normal;
  }

table { 
font-family: DejaVuSansMono;
}
td.subjectname {
}
td.subjectaddr {
padding-bottom: 1em;
}

table.coytable {
margin-bottom: 1em;
}

table.entries {
border: none;
border-collapse: collapse;
border-spacing: 0; 
empty-cells: show;
}
table.entries th {
background: #ddd;
font-weight: bold;
padding: 0.2em 0.4em;
}
table.entries td {
padding: 0.2em 0.4em;
}
td.invnum {
font-weight: bold;
}
td.subtotal {
font-weight: bold;
}
td.total {
font-weight: bold;
}
table.coytable td, table.coytable tr {
vertical-align: top;
}

div#footer {
position: absolute;
bottom: 0;
left: 0;
right: 0;
padding: 1em 0;
border-top: 1px solid #000;
font-size: 0.9em;
text-align: center;
}
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd";>
<?scm 
(let ((x 42)) ; only here to allow (define)s
              ; i.e. to avoid "Bad define placement" error

  (define (display-report opt-invoice owner endowner ownertype)
    ;; Main function that creates the CWO Invoice report
    (let* (; invoice and company details
           (invoiceid    (gncInvoiceGetID         opt-invoice))
           (credit-note? (gncInvoiceGetIsCreditNote opt-invoice))
           (book         (gncInvoiceGetBook       opt-invoice))
           (postdate     (gncInvoiceGetDatePosted opt-invoice))
           (duedate      (gncInvoiceGetDateDue    opt-invoice))
           (billingid    (gncInvoiceGetBillingID  opt-invoice))
           (notes        (gncInvoiceGetNotes      opt-invoice))
           (terms        (gncInvoiceGetTerms      opt-invoice))
           (termsdesc    (gncBillTermGetDescription terms))
           (lot          (gncInvoiceGetPostedLot  opt-invoice))
           (txn          (gncInvoiceGetPostedTxn  opt-invoice))
           (currency     (gncInvoiceGetCurrency   opt-invoice))
           (entries      (gncInvoiceGetEntries    opt-invoice))
           (splits      '())
           (slots        (qof-book-get-slots book))
           (coyname      (coy-info slots gnc:*company-name*))
           (coycontact   (coy-info slots gnc:*company-contact*))
           (coyaddr      (coy-info slots gnc:*company-addy*))
           (coyid        (coy-info slots gnc:*company-id*))
           (coyphone     (coy-info slots gnc:*company-phone*))
           (coyfax       (coy-info slots gnc:*company-fax*))
           (coyurl       (coy-info slots gnc:*company-url*))
           (coyemail     (coy-info slots gnc:*company-email*))
           (owneraddr  (gnc:owner-get-address-dep owner))
           (ownername  (gnc:owner-get-name-dep owner))
           (jobnumber  (gncJobGetID (gncOwnerGetJob (gncInvoiceGetOwner  opt-invoice))))
           (jobname    (gncJobGetName (gncOwnerGetJob (gncInvoiceGetOwner  opt-invoice))))
           (billcontact  (gncAddressGetName (gnc:owner-get-address owner)))
           ; flags and counters
           (discount?  #f) ; any discounts on this invoice?
           (tax?       #f) ; any taxable entries on this invoice?
           (taxtables? #t) ; are tax tables available in this version?
           (payments?  #f) ; have any payments been made on this invoice?
           (units?     #f) ; does any row specify units?
           (qty?       #f) ; does any row have qty <> 1?
           (tbl_cols   0)) ; number of columns for 'colspan' attributes

      ; load splits, if any
      (if (not (null? lot))
        (set! splits
          (sort-list (gnc-lot-get-split-list lot) ; sort by date
                     (lambda (s1 s2)
                       (let ((t1 (xaccSplitGetParent s1))
                             (t2 (xaccSplitGetParent s2)))
                         (< (car (gnc-transaction-get-date-posted t1))
                            (car (gnc-transaction-get-date-posted t2))))))))

      ; pre-scan invoice entries to look for discounts and taxes
      (for entry in entries do
          (let ((action    (gncEntryGetAction entry)) 
                (qty       (gncEntryGetDocQuantity entry credit-note?))
                (discount  (gncEntryGetInvDiscount entry))   
                (taxable?   (gncEntryGetInvTaxable entry))
                (taxtable  (gncEntryGetInvTaxTable entry)))
            (if (not (string=? action "")) 
              (set! units? #t))
            (if (not (= (gnc-numeric-to-double qty) 1.0))
              (set! qty? #t))
            (if (not (gnc-numeric-zero-p discount)) (set! discount? #t))
            ;(if taxable - no, this flag is redundant
            (if taxable? ; Also check if the taxable flag is set
              (if  (not (eq? taxtable '()))
              (begin ; presence of a tax table AND taxable flag means it's taxed
                (set! tax? #t))))))

      ; pre-scan invoice splits to see if any payments have been made
      (for split in splits do
          (let* ((t (xaccSplitGetParent split)))
            (if (not (equal? t txn))
              (set! payments? #t))))
?>

<!-- ====================================================================== -->
<!-- The HTML for the invoice starts here -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
<title><?scm:d (_ "Invoice") ?> <?scm:d invoiceid ?></title>

<?scm (if css? (begin ?>
<link rel="stylesheet" href="<?scm:d (make-file-url opt-css-file) ?>" type="text/css">
<?scm )) ?>

</head>
<body>

<div class="main">
<!-- company info -->
<table class="coytable" border="0" width="100%">
<tr valign="top">
  <td align="left">
    <h1 class="coyname">=cwo=</h1>
  </td>
  <td align="right">
    <h2 class="invoice">
      &nbsp;
      <small><?scm:d opt-report-title ?> <?scm:d (sprintf  #f (_ "%.0f") invoiceid) ?></small>
    </h2>
  </td>
</tr>
</table>
<table border="0" width="100%">
<tr valign="top">
  <td align="left">
    <table>
      <tr>
        <td colspan=2 class="subjectname"><strong><?scm:d ownername ?></strong></td>
      </tr>
      <tr>
        <td colspan=2 class="subjectaddr"><?scm:d (nl->br owneraddr) ?></td>
      </tr>
      <tr>
         <td align="right"><?scm:d (nbsp (_ "Invoice Date")) ?>:&nbsp;</td>
         <td align="left"><?scm:d (gnc-print-date postdate) ?></td>
      </tr>
      <tr>
         <td align="right"><?scm:d (nbsp (_ "Due Date")) ?>:&nbsp;</td>
         <td align="left"><?scm:d (gnc-print-date duedate) ?></td>
      </tr>
      <?scm (if (not (string=? billingid "")) (begin ?>
        <tr>
          <td align="right"><?scm:d (nbsp (_ opt-ref-text)) ?></td>
          <td align="left"><?scm:d billingid ?></td>
        </tr>
      <?scm )) ?>
      <?scm (if (and opt-jobname-show (not (string=? jobname ""))) (begin ?>
        <tr>
          <td align="right"><?scm:d (nbsp (_ opt-jobname-text)) ?></td>
          <td align="left"><?scm:d jobname ?></td>
        </tr>
      <?scm )) ?>
    </table>
  </td>
  <td align="right">
    <table>
      <tr>
        <td align="right"><strong><?scm:d (nl->br coyname) ?></strong></td>
      </tr>
      <tr>
        <td align="right"><?scm:d (nl->br coyaddr) ?></td>
      </tr>
    </table>
  </td>
</tr>    
</table>

<!-- invoice lines table -->
<p>
<table border="1" width="100%" cellpadding="4" cellspacing="0" class="entries"> 
  <thead>
    <tr bgcolor="#ccc" valign="bottom">
      <?scm (if opt-col-date (begin ?>
      <th align="center" ><?scm:d (_ "Date") ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
      <th align="left" width="80%"><?scm:d (_ "Description") ?></th>
      <?scm (if (and units? opt-col-units) (begin ?>
        <th align="left"><?scm:d opt-units-heading ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
      <?scm (if (or units? qty?) (begin ?>
        <th align="right"><?scm:d opt-qty-heading ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
      <?scm (if (or units? qty? discount?) (begin ?>
        <th align="right"><?scm:d opt-unit-price-heading ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
      <?scm (if discount? (begin ?>
        <th align="right"><?scm:d opt-disc-rate-heading ?></th>
        <th align="right"><?scm:d opt-disc-amount-heading ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 2)) )) ?>
      <?scm (if (and tax? taxtables?) (begin ?>
        <th align="right"><?scm:d opt-net-price-heading ?></th>
        <?scm (set! tbl_cols (+ tbl_cols 1)) ?>
        <?scm (if opt-col-taxrate (begin ?>
        <th align="right"><?scm:d opt-tax-rate-heading ?></th>
        <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
        <th align="right"><?scm:d opt-tax-amount-heading ?></th>
      <?scm (set! tbl_cols (+ tbl_cols 1)) )) ?>
      <th align="right"><?scm:d opt-total-price-heading ?></th>
    </tr>
  </thead>

  <tbody> <!-- display invoice entry lines, keeping running totals -->
    <?scm 
      (let ((tax-total (gnc:make-commodity-collector))
            (sub-total (gnc:make-commodity-collector))
            (dsc-total (gnc:make-commodity-collector))
            (inv-total (gnc:make-commodity-collector)))
        (for entry in entries do
            (let ((qty       (gncEntryGetDocQuantity entry credit-note?))
                  (each      (gncEntryGetInvPrice entry)) 
                  (action    (gncEntryGetAction entry)) 
                  (rval      (gncEntryGetDocValue entry #t #t credit-note?)) 
                  (rdiscval  (gncEntryGetDocDiscountValue entry #t #t credit-note?)) 
                  (rtaxval   (gncEntryGetDocTaxValue entry #t #t credit-note?)) 
                  (disc      (gncEntryGetInvDiscount entry))
                  (disctype  (gncEntryGetInvDiscountType entry))
                  (acc       (gncEntryGetInvAccount entry))
                  (taxable   (gncEntryGetInvTaxable entry))
                  (taxtable  (gncEntryGetInvTaxTable entry)))
              (inv-total 'add currency rval)
              (inv-total 'add currency rtaxval)
              (tax-total 'add currency rtaxval)
              (sub-total 'add currency rval)
              (dsc-total 'add currency rdiscval) 
    ?>
    <tr valign="top">
      <?scm (if opt-col-date (begin ?>
      <td align="center" ><nobr><?scm:d (nbsp (gnc-print-date (gncEntryGetDate entry))) ?></nobr></td>
      <?scm )) ?>
      <td align="left"><?scm:d (gncEntryGetDescription entry) ?></td>
      <!-- td align="left">< ?scm:d (gncEntryGetNotes entry) ?></td -->
      <?scm (if opt-col-units (begin ?>
      <?scm (if units? (begin ?>
        <td align="left"><?scm:d action ?></td>
      <?scm )) ?>
      <?scm )) ?>
      <?scm (if (or units? qty?) (begin ?>
        <td align="right"><?scm:d (fmtnumeric qty) ?></td>
      <?scm )) ?>
      <?scm (if (or units? qty? discount?) (begin ?>
        <td align="right"><?scm:d (fmtmoney currency each) ?></td>
      <?scm )) ?>
      <?scm (if discount? (begin ?>
        <?scm (if (equal? disctype GNC-AMT-TYPE-VALUE) (begin ?>
          <td align="right"><?scm:d (gnc:monetary->string (gnc:make-gnc-monetary currency disc)) ?></td>
        <?scm ) (begin ?>
          <td align="right"><?scm:d (fmtnumeric disc) ?>%</td>
        <?scm )) ?>
        <td align="right"><?scm:d (fmtmoney currency rdiscval) ?></td>
      <?scm )) ?>
      <?scm (if (and tax? taxtables?) (begin ?>
        <td align="right"><?scm:d (fmtmoney currency rval) ?></td>
        <?scm (if opt-col-taxrate (begin ?>
        <td align="right"><?scm (taxrate taxable taxtable currency) ?></td>  
        <?scm )) ?>
        <td align="right"><?scm:d (fmtmoney currency rtaxval) ?></td>
      <?scm )) ?>
      <!-- TO DO: need an option about whether to display the tax-inclusive total? -->
      <td align="right"><?scm:d (fmtmoney currency (gnc-numeric-add rval rtaxval GNC-DENOM-AUTO GNC-RND-ROUND)) ?></td>
    </tr>
    <?scm )) ?>

    <!-- subtotals row -->
    <?scm (if (or tax? discount? payments?) (begin ?>
      <tr valign="top"> 
        <td align="left" class="subtotal" colspan="<?scm:d 
        (- tbl_cols (if (and tax? taxtables? opt-col-taxrate) 1 0)
                    (if (and tax? taxtables?) 1 -1)
                    (if (and discount?) 1 0)
        ) ?>"><strong><?scm:d opt-subtotal-heading ?></strong></td>
        <?scm (if discount? (begin ?>
          <td align="right" class="subtotal"><strong><?scm (display-comm-coll-total dsc-total #f) ?></strong></td>
        <?scm )) ?>
        <?scm (if (and tax? taxtables?) (begin ?>
          <td align="right" class="subtotal"><strong><?scm (display-comm-coll-total sub-total #f) ?></strong></td>
          <?scm (if opt-col-taxrate (begin ?>
          <td>&nbsp;</td>
          <?scm )) ?>
          <td align="right" class="subtotal"><strong><?scm (display-comm-coll-total tax-total #f) ?></strong></td>
        <?scm )) ?>
        <td align="right" class="subtotal"><strong><?scm (display-comm-coll-total inv-total #f) ?></strong></td>
      </tr>
    <?scm )) ?>

    <!-- payments row -->
    <?scm 
      (if payments? 
        (for split in splits do
            (let ((t (xaccSplitGetParent split)))
              (if (not (equal? t txn)) ; don't process the entry itself as a split
                (let ((c (xaccTransGetCurrency t))
                      (a (xaccSplitGetValue    split))) 
                  (inv-total 'add c a) 
    ?>
    <tr valign="top">
      <?scm (if opt-col-date (begin ?>
      <td align="center"><?scm:d (gnc-print-date (gnc-transaction-get-date-posted t)) ?></td>
      <?scm )) ?>
      <td align="left" colspan="<?scm:d (+ tbl_cols (if opt-col-date 0 1)) ?>"><?scm:d opt-payment-recd-heading ?></td>
      <td align="right"><?scm:d (fmtmoney c a) ?></td>
    </tr>
    <?scm ))))) ?>

    <!-- total row -->
    <tr valign="top">
      <td align="left" class="total" colspan="<?scm:d (+ tbl_cols 1) ?>"><strong>
        <?scm:d opt-amount-due-heading ?><?scm (if (not (string=? (gnc-commodity-get-mnemonic opt-report-currency) "")) (begin ?>,
        <?scm:d (gnc-commodity-get-mnemonic opt-report-currency) ?><?scm )) ?></strong></td>
      <td align="right" class="total"><strong><?scm (display-comm-coll-total inv-total #f) ?></strong></td>
    </tr>

  </tbody>
  <?scm ) ?> <!-- end of (let) surrounding table body -->
</table>

<p><?scm:d termsdesc ?>

<p><?scm:d (nl->br notes) ?>
<p><?scm:d (nl->br opt-extra-notes) ?>

<div id="footer">
    <strong><?scm:d coyname ?></strong><br />
    <?scm:d (nl->br coyaddr) ?><br />
    <?scm:d coyphone ?><br />
    <?scm:d coyemail ?><br />
    <?scm:d coyurl ?><br /><br />
    Company registered in the UK #<?scm:d coyid ?>
</div>

<?scm )) ; end of display-report function
    
  ; 'mainline' code: check for a valid invoice, then display the report 
  (if (null? opt-invoice)
    (begin
      (display (string-append "<h2>" (_ "CWO Invoice") "</h2>"))
      (display (string-append "<p>" (_ "No invoice has been selected -- please use the Options menu to select one.") "</p>")))
    (let* ((owner     (gncInvoiceGetOwner  opt-invoice))
           (endowner  (gncOwnerGetEndOwner owner))
           (ownertype (gncOwnerGetType     endowner)))
      (if (not (eqv? ownertype GNC-OWNER-CUSTOMER))
        (begin
          (display (string-append "<h2>" (_ "CWO Invoice") "</h2>"))
          (display (string-append "<p>" (_ "This report is designed for customer (sales) invoices only. Please use the Options menu to select an <em>Invoice</em>, not a Bill or Expense Voucher.") "</p>")))
        (display-report opt-invoice owner endowner ownertype))))

?>
</div>
</body>
</html>
<?scm
) ; end of enclosing let
?>
;; $Author: chris $ $Date: 2009/07/29 09:31:44 $ $Revision: 1.33 $
;; Modified by Dmitry Smirnov <only...@member.fsf.org>  16 Feb 2012
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2 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 GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
;; 02111-1307 USA

; If you want to adapt this report privately:
; - copy the report to your .gnucash directory
; - specify a different module name below (eg mycwo-invoice)
; - refer to it from .gnucash/config.user
; (see http://wiki.gnucash.org/wiki/Custom_Reports )
(define-module (gnucash report cwo-invoice))

(cond-expand
  (guile-2
      (use-modules (ice-9 local-eval)))  ; for the-environment
  (else ))
(use-modules (gnucash gnc-module))
(use-modules (gnucash gettext))

(gnc:module-load "gnucash/report/report-system" 0)
(gnc:module-load "gnucash/html" 0)
(gnc:module-load "gnucash/engine" 0)

(use-modules (gnucash report standard-reports))
(use-modules (gnucash report business-reports))

(use-modules (gnucash report eguile-utilities))
(use-modules (gnucash report eguile-html-utilities))
(use-modules (gnucash report eguile-gnc))

(use-modules (srfi srfi-13)) ; for extra string functions

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Report-specific routines

(define (taxrate taxable taxtable curr)
  ;; Display the tax rate applicable to an invoice line.
  ;; This may be e.g. "15%" or "£5.00" or "15% + £5.00" or "n/a"
  ;; depending on how complicated the tax table is.
  ;; (When called from within the eguile template, anything
  ;; (display)ed becomes part of the HTML string.)
  (if (or (not taxable) (eq? taxtable '()))
    (display "&nbsp;")
    (let* ((amttot  (gnc:make-commodity-collector))
           (pctot   (gnc:make-numeric-collector)) 
           (entries (gncTaxTableGetEntries taxtable))
           (amt?    #f)  ; becomes #t if any entries are amounts
           (pc?     #f)) ; becomes #t if any entries are percentages
      (for entry in entries do
          (let ((tttype (gncTaxTableEntryGetType   entry))
                (ttamt  (gncTaxTableEntryGetAmount entry)))
            (if (equal? tttype GNC-AMT-TYPE-VALUE)
              (begin
                (set! amt? #t)
                (amttot 'add curr ttamt))
              (begin
                (set! pc? #t)
                (pctot 'add ttamt)))))
      (if pc? (begin (display (fmtnumeric (pctot 'total #f))) (display "%")))
      (if (and amt? pc?) (display " +&nbsp;"))        ; both - this seems unlikely in practice
      (if amt?
        (display-comm-coll-total amttot #f))
      (if (and (not amt?) (not pc?)) (display (_ "n/a"))))))        ; neither

(define (coy-info slots key)
  ;; Extract a value from the company info key-value pairs
  (kvp-frame-get-slot-path-gslist
    slots 
    (append gnc:*kvp-option-path* (list gnc:*business-label* key))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Define all the options

; option pages
(define headingpage  (N_ "Headings 1"))
(define headingpage2 (N_ "Headings 2"))
(define notespage    (N_ "Notes"))
;(define filespage    (N_ "Files"))
(define displaypage  (N_ "Display"))
(define elementspage			(N_ "Elements"))
; option names 
(define optname-col-date		(N_ "column: Date"))
(define optname-col-taxrate		(N_ "column: Tax Rate"))
(define optname-col-units		(N_ "column: Units"))
(define optname-row-address		(N_ "row: Address"))
(define optname-row-contact		(N_ "row: Contact"))
(define optname-row-invoice-number	(N_ "row: Invoice Number"))
(define optname-row-company-name	(N_ "row: Company Name"))
(define optname-report-currency		(N_ "Report Currency"))
(define optname-invoice-number-text	(N_ "Invoice number text"))
(define optname-to-text			(N_ "To text"))
(define optname-ref-text		(N_ "Ref text"))
(define optname-jobname-text		(N_ "Job Name text"))
(define optname-jobnumber-text		(N_ "Job Number text"))
(define optname-jobname-show		(N_ "Show Job name"))
(define optname-jobnumber-show		(N_ "Show Job number"))
(define optname-invnum-next-to-title	(N_ "Invoice number next to title"))
(define optname-border-collapse		(N_ "table-border-collapse"))
(define optname-border-color-th		(N_ "table-header-border-color"))
(define optname-border-color-td		(N_ "table-cell-border-color"))
(define optname-extra-css		(N_ "Embedded CSS"))
(define optname-report-title		(N_ "Report title"))
(define optname-template-file		(N_ "Template file"))
(define optname-css-file	        (N_ "CSS stylesheet file"))
(define optname-heading-font		(N_ "Heading font"))
(define optname-text-font		(N_ "Text font"))
(define optname-logofile	        (N_ "Logo filename"))
(define optname-logo-width     		(N_ "Logo width"))
(define optname-units          		(N_ "Units"))
(define optname-qty            		(N_ "Qty"))
(define optname-unit-price     		(N_ "Unit Price"))
(define optname-disc-rate      		(N_ "Discount Rate"))
(define optname-disc-amount    		(N_ "Discount Amount"))
(define optname-net-price      		(N_ "Net Price"))
(define optname-tax-rate       		(N_ "Tax Rate"))
(define optname-tax-amount     		(N_ "Tax Amount"))
(define optname-total-price    		(N_ "Total Price"))
(define optname-subtotal       		(N_ "Sub-total"))
(define optname-amount-due     		(N_ "Amount Due"))
(define optname-payment-recd   		(N_ "Payment received text"))
(define optname-extra-notes    		(N_ "Extra notes"))

; Choose only customer invoices
; (This doesn't work very nicely -- all invoices and bills
;  are offered for selection, but if a non-customer invoice
;  is selected, the user is dumped back to viewing the
;  previous invoice (or none) with no error message)
(define (customers-only invoice)
  (let* ((owner     (gncInvoiceGetOwner  invoice))
         (endowner  (gncOwnerGetEndOwner owner))
         (ownertype (gncOwnerGetType     endowner)))
    ;(gnc:debug "ownertype is ")(gnc:debug ownertype)
    (if (eqv? ownertype GNC-OWNER-CUSTOMER)
      (list #t invoice)
      (list #f invoice))))

(define (options-generator)
  ;; Options
  (define report-options (gnc:new-options))
  (define (add-option new-option)
    (gnc:register-option report-options new-option))

  (add-option
    (gnc:make-invoice-option ; defined in gnucash/scm/business-options.scm
      gnc:pagename-general gnc:optname-invoice-number 
      "a" "" (lambda () '()) 
      #f))        ;customers-only)) ;-- see above

(add-option (gnc:make-currency-option		gnc:pagename-general	optname-report-currency		"b" "" ""))

  ;; Elements page options
(add-option (gnc:make-simple-boolean-option	elementspage	optname-col-date		"a" (N_ "Display the date?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-col-taxrate		"b" (N_ "Display the Tax Rate?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-col-units		"c" (N_ "Display the Units?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-row-contact		"d" (N_ "Display the contact?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-row-address		"e" (N_ "Display the address?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-row-invoice-number	"f" (N_ "Display the Invoice Number?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-row-company-name	"g" (N_ "Display the Company Name?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-invnum-next-to-title	"h" (N_ "Invoice Number next to title?") #f))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-jobname-show		"i" (N_ "Display Job name?") #t))
(add-option (gnc:make-simple-boolean-option	elementspage	optname-jobnumber-show		"j" (N_ "Invoice Job number?") #f))

  ;; Display options
  (add-option (gnc:make-string-option displaypage optname-template-file "a" 
    (N_ "The file name of the eguile template part of this report. This file should either be in your .gnucash directory, or else in its proper place within the GnuCash installation directories.")
    "cwo-invoice.eguile.scm"))
  (add-option (gnc:make-string-option displaypage optname-css-file "b" 
    (N_ "The file name of the CSS stylesheet to use with this report. This file should either be in your .gnucash directory, or else in its proper place within the GnuCash installation directories.") 
    "cwo-invoice.css"))
;   (add-option (gnc:make-font-option 
;                 displaypage optname-heading-font "c" 
;                 (N_ "Font to use for the main heading.") "Sans Bold 18"))
;   (add-option (gnc:make-font-option 
;                 displaypage optname-text-font "d" 
;                 (N_ "Font to use for everything else.") "Sans 10"))
;   (add-option (gnc:make-pixmap-option
;                 displaypage optname-logofile "e" 
;                 (N_ "Name of a file containing a logo to be used on the report.") 
;                 ""))
;   (add-option (gnc:make-string-option
;                 displaypage optname-logo-width "f" (N_ "Width of the logo in CSS format, e.g. 10% or 32px. Leave blank to display the logo at its natural width. The height of the logo will be scaled accordingly.") ""))
; (add-option (gnc:make-simple-boolean-option	displaypage	optname-border-collapse	"g" (N_ "Border-collapse?") #f))
; (add-option (gnc:make-string-option		displaypage	optname-border-color-th "h" (N_ "CSS color.") "black"))
; (add-option (gnc:make-string-option		displaypage	optname-border-color-td "i" (N_ "CSS color.") "black"))

  ;; Heading options
  (add-option (gnc:make-string-option
                ; page / name / orderkey / tooltip / default
                headingpage optname-report-title "a" "" (_ "Invoice")))
  (add-option (gnc:make-string-option
                headingpage optname-units "b" "" (_ "Units")))
  (add-option (gnc:make-string-option
                headingpage optname-qty "c" "" (_ "Qty")))
  (add-option (gnc:make-string-option
                headingpage optname-unit-price "d" "" (_ "Unit Price")))
  (add-option (gnc:make-string-option
                headingpage optname-disc-rate "e" "" (_ "Discount Rate")))
  (add-option (gnc:make-string-option
                headingpage optname-disc-amount "f" "" (_ "Discount Amount")))
  (add-option (gnc:make-string-option
                headingpage optname-net-price "g" "" (_ "Net Price")))
  (add-option (gnc:make-string-option
                headingpage optname-tax-rate "h" "" (_ "Tax Rate")))
  (add-option (gnc:make-string-option
                headingpage optname-tax-amount "i" "" (_ "Tax Amount")))
  (add-option (gnc:make-string-option
                headingpage optname-total-price "j" "" (_ "Total Price")))
  (add-option (gnc:make-string-option
                headingpage2 optname-subtotal "a" "" (_ "Sub-total")))
  (add-option (gnc:make-string-option
                headingpage2 optname-amount-due "b" "" (_ "Amount Due")))
  (add-option (gnc:make-string-option
                headingpage2 optname-payment-recd "c" "" 
                (_ "Payment received, thank you")))
  (add-option (gnc:make-string-option	headingpage2	optname-invoice-number-text
    "d" "" (N_ "Invoice number: ")))
  (add-option (gnc:make-string-option	headingpage2	optname-to-text
    "e" "" (N_ "To: ")))
  (add-option (gnc:make-string-option	headingpage2	optname-ref-text
    "f" "" (N_ "Your ref: ")))
  (add-option (gnc:make-string-option	headingpage2	optname-jobnumber-text
    "g" "" (N_ "Job number: ")))
  (add-option (gnc:make-string-option	headingpage2	optname-jobname-text
    "h" "" (N_ "Job name: ")))

  (add-option (gnc:make-text-option
                notespage optname-extra-notes "a"
                (_ "Notes added at end of invoice -- may contain HTML markup.") 
                (_ "Thank you for your patronage!")))
                ;(N_ "(Development version -- don't rely on the numbers on this report without double-checking them.<br>Change the 'Extra Notes' option to get rid of this message)")))

  (add-option (gnc:make-text-option	notespage optname-extra-css "b"
                (N_ "Embedded CSS.")	"h1.coyname { text-align: left; }"))
  (gnc:options-set-default-section
    report-options gnc:pagename-general)

  report-options)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Create the report

(define (report-renderer report-obj)
  ;; Create and return the report as either an HTML string 
  ;; or an <html-document>
  (define (opt-value section name)
    ; wrapper for option routines
    (define (get-opt section name)
      (gnc:lookup-option (gnc:report-options report-obj) section name))
    (gnc:option-value (get-opt section name)))

  ; Get all the options
  (let* ((document                  (gnc:make-html-document))
         (opt-invoice               (opt-value gnc:pagename-general gnc:optname-invoice-number))
         (opt-template-file         (find-file 
                                      (opt-value displaypage optname-template-file)))
         (opt-css-file              (find-file 
                                      (opt-value displaypage optname-css-file)))
         ; (opt-heading-font          (font-name-to-style-info 
         ;                              (opt-value displaypage optname-heading-font)))
         ; (opt-text-font             (font-name-to-style-info
         ;                              (opt-value displaypage optname-text-font)))
         ; (opt-logofile              (opt-value displaypage  optname-logofile)) 
         ; (opt-logo-width            (opt-value displaypage  optname-logo-width)) 
         (opt-col-date              (opt-value elementspage  optname-col-date))
         (opt-col-taxrate           (opt-value elementspage  optname-col-taxrate))
         (opt-col-units             (opt-value elementspage  optname-col-units))
         (opt-row-contact           (opt-value elementspage  optname-row-contact))
         (opt-row-address           (opt-value elementspage  optname-row-address))
         (opt-row-invoice-number    (opt-value elementspage  optname-row-invoice-number))
         (opt-row-company-name      (opt-value elementspage  optname-row-company-name))
         (opt-invnum-next-to-title  (opt-value elementspage  optname-invnum-next-to-title))
         (opt-jobname-show          (opt-value elementspage  optname-jobname-show))
         (opt-jobnumber-show        (opt-value elementspage  optname-jobnumber-show))
         (opt-report-currency       (opt-value gnc:pagename-general optname-report-currency))
         ; (opt-css-border-collapse   (if (opt-value displaypage optname-border-collapse) "border-collapse:collapse;"))
         ; (opt-css-border-color-th   (opt-value displaypage optname-border-color-th))
         ; (opt-css-border-color-td   (opt-value displaypage optname-border-color-td))
         (opt-report-title          (opt-value headingpage  optname-report-title))
         (opt-units-heading         (opt-value headingpage  optname-units))
         (opt-qty-heading           (opt-value headingpage  optname-qty))
         (opt-unit-price-heading    (opt-value headingpage  optname-unit-price))
         (opt-disc-rate-heading     (opt-value headingpage  optname-disc-rate))
         (opt-disc-amount-heading   (opt-value headingpage  optname-disc-amount))
         (opt-net-price-heading     (opt-value headingpage  optname-net-price))
         (opt-tax-rate-heading      (opt-value headingpage  optname-tax-rate))
         (opt-tax-amount-heading    (opt-value headingpage  optname-tax-amount))
         (opt-total-price-heading   (opt-value headingpage  optname-total-price))
         (opt-subtotal-heading      (opt-value headingpage2 optname-subtotal))
         (opt-amount-due-heading    (opt-value headingpage2 optname-amount-due))
         (opt-payment-recd-heading  (opt-value headingpage2 optname-payment-recd))
         (opt-invoice-number-text   (opt-value headingpage2 optname-invoice-number-text))
         (opt-to-text               (opt-value headingpage2 optname-to-text))
         (opt-ref-text              (opt-value headingpage2 optname-ref-text))
         (opt-jobnumber-text        (opt-value headingpage2 optname-jobnumber-text))
         (opt-jobname-text          (opt-value headingpage2 optname-jobname-text))
         (opt-extra-css             (opt-value notespage    optname-extra-css)) 
         (opt-extra-notes           (opt-value notespage    optname-extra-notes)) 
         (css? #t) ;(and (defined? 'gnc-html-engine-supports-css) (gnc-html-engine-supports-css)))
         (html #f))

    (set! html (eguile-file-to-string 
                 opt-template-file
                 (the-environment)))

    (if css? ; return report as document or html, depending on version 
      html 
      (let ((document (gnc:make-html-document)))
        (gnc:html-document-add-object! document html)
        document))))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Define the report

(gnc:define-report
  'version 1
  'name (N_ "CWO Invoice")
  'report-guid "6e28a7d672124a8a854a668434f02c7"
  'menu-name (N_ "CWO Invoice")
  'menu-tip (N_ "Display a customer invoice in cwo style")
  'menu-path (list gnc:menuname-business-reports)
  'options-generator options-generator
  'renderer report-renderer)

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