+ for($line_no = 0; $line_no < count($this->line_items); $line_no++) {
+ $line = &$this->line_items[$line_no];
+ $line->src_id = $line->id; // save src line ids for update
+ $line->qty_dispatched = $type == ST_CUSTCREDIT ? '0' : $line->quantity - $line->qty_done;
+ $line->qty_old = 0;
+ }
+ unset($line);
+
+ if ($type == ST_CUSTDELIVERY)
+ $this->order_no = key($this->trans_no);
+
+ if ($type == ST_SALESINVOICE) {
+ $this->due_date = get_invoice_duedate($this->payment, $this->document_date);
+ }
+
+ if ($type == ST_CUSTCREDIT)
+ $this->src_date = $this->document_date;
+
+ $this->src_docs = $this->trans_no;
+ $this->trans_no = 0;
+ }
+
+ //
+ // Prepares transaction for reedition updating with parent transaction data
+ //
+ function set_parent_constraints($sodata, $src_no) {
+
+ $srcdetails = get_sales_parent_lines($this->trans_type, $src_no);
+
+ $src_type = get_parent_type($this->trans_type);
+ if ($src_type == ST_SALESORDER || $src_type == 0) {
+ $this->src_docs = array( $sodata['order_no']=>$sodata['version']);
+ } else { // get src_data from debtor_trans
+ $srcnum = array();
+ while ($line = db_fetch($srcdetails)) {
+ $srcnum[] = $line['debtor_trans_no'];
+ }
+ $this->src_docs = get_customer_trans_version($src_type, array_values($srcnum));
+ }
+ // calculate & save: qtys on other docs and free qtys on src doc
+ $line_no = 0;
+ // Loop speed optimisation below depends on fact
+ // that child line_items contains subset of parent lines in _the_same_ order !
+ while ($line_no < count($this->line_items) && $srcline = db_fetch($srcdetails)) {
+ $line = &$this->line_items[$line_no];
+ if ($srcline['id'] == $line->src_id) {
+ if ($this->trans_type == ST_SALESINVOICE)
+ $line->src_no = $srcline['debtor_trans_no'];
+ $line->qty_old = $line->qty_dispatched = $line->quantity;
+ $line->quantity += $srcline['quantity'] - $srcline['qty_done']; // add free qty on src doc
+ $line_no++;
+ break;
+ }
+ }
+ }