diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 9956fd32b97..2cf5e13ff8b 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -2560,9 +2560,10 @@ if (empty($reshook)) {
 					setEventMessages($mesg, null, 'warnings');
 					$result = -1;
 				} else {
-					$object->update_percent($line, GETPOST('all_progress'));
+					$object->update_percent($line, GETPOST('all_progress'), false);
 				}
 			}
+			$object->update_price(1);
 		}
 	} elseif ($action == 'updateline' && $usercancreate && !$cancel) {
 		header('Location: '.$_SERVER["PHP_SELF"].'?facid='.$id); // To show again edited page
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 5fe58adcd7b..2b368d7bd75 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3725,11 +3725,12 @@ class Facture extends CommonInvoice
 	/**
 	 * Update invoice line with percentage
 	 *
-	 * @param  FactureLigne $line       Invoice line
-	 * @param  int          $percent    Percentage
+	 * @param  FactureLigne $line       	Invoice line
+	 * @param  int          $percent    	Percentage
+	 * @param  boolean      $update_price   Update object price
 	 * @return void
 	 */
-	public function update_percent($line, $percent)
+	public function update_percent($line, $percent, $update_price = true)
 	{
 		// phpcs:enable
 		global $mysoc, $user;
@@ -3756,7 +3757,11 @@ class Facture extends CommonInvoice
 		$line->multicurrency_total_tva = $tabprice[17];
 		$line->multicurrency_total_ttc = $tabprice[18];
 		$line->update($user);
-		$this->update_price(1);
+
+		// sometimes it is better to not update price for each line, ie when updating situation on all lines
+		if ($update_price) {
+			$this->update_price(1);
+		}
 	}
 
 	/**
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 0a351f08ff3..63d0eb475e5 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -43,6 +43,7 @@
  */
 abstract class CommonObject
 {
+	const TRIGGER_PREFIX = ''; // to be overriden in child class implementations, i.e. 'BILL', 'TASK', 'PROPAL', etc.
 	/**
 	 * @var DoliDb		Database handler (result of a new DoliDB)
 	 */
@@ -5618,7 +5619,10 @@ abstract class CommonObject
 	{
 		// phpcs:enable
 		global $langs, $conf;
-
+		if (!empty(self::TRIGGER_PREFIX) && strpos($triggerName, self::TRIGGER_PREFIX . '_') !== 0) {
+			dol_print_error('', 'The trigger "' . $triggerName . '" does not start with "' . self::TRIGGER_PREFIX . '_" as required.');
+			exit;
+		}
 		if (!is_object($langs)) {	// If lang was not defined, we set it. It is required by run_triggers.
 			include_once DOL_DOCUMENT_ROOT.'/core/class/translate.class.php';
 			$langs = new Translate('', $conf);
diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index 37bcd3199c5..454577b41b6 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -76,7 +76,7 @@ $lineid		= GETPOST('lineid', 'int');
 $projectid = GETPOST('projectid', 'int');
 $origin		= GETPOST('origin', 'alpha');
 $originid = GETPOST('originid', 'int');
-$fac_rec = GETPOST('fac_rec', 'int');
+$fac_recid = GETPOST('fac_rec', 'int');
 
 // PDF
 $hidedetails = (GETPOST('hidedetails', 'int') ? GETPOST('hidedetails', 'int') : (!empty($conf->global->MAIN_GENERATE_DOCUMENTS_HIDE_DETAILS) ? 1 : 0));
@@ -882,10 +882,8 @@ if (empty($reshook)) {
 					}
 				}
 			}
-		}
-
-		// Standard invoice or Deposit invoice, created from a Predefined template invoice
-		if ((GETPOST('type') == FactureFournisseur::TYPE_STANDARD || GETPOST('type') == FactureFournisseur::TYPE_DEPOSIT) && GETPOST('fac_rec', 'int') > 0) {
+		} elseif ($fac_recid > 0 && (GETPOST('type') == FactureFournisseur::TYPE_STANDARD || GETPOST('type') == FactureFournisseur::TYPE_DEPOSIT)) {
+			// Standard invoice or Deposit invoice, created from a Predefined template invoice
 			if (empty($dateinvoice)) {
 				$error++;
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("Date")), null, 'errors');
@@ -903,7 +901,7 @@ if (empty($reshook)) {
 				$object->date            = $dateinvoice;
 				$object->note_public = trim(GETPOST('note_public', 'restricthtml'));
 				$object->note_private    = trim(GETPOST('note_private', 'restricthtml'));
-				$object->ref_client      = GETPOST('ref_client');
+				$object->ref_supplier    = GETPOST('ref_supplier', 'nohtml');
 				$object->model_pdf = GETPOST('model');
 				$object->fk_project = GETPOST('projectid', 'int');
 				$object->cond_reglement_id	= (GETPOST('type') == 3 ? 1 : GETPOST('cond_reglement_id'));
@@ -918,7 +916,7 @@ if (empty($reshook)) {
 				$object->multicurrency_tx   = GETPOST('originmulticurrency_tx', 'int');
 
 				// Source facture
-				$object->fac_rec = GETPOST('fac_rec', 'int');
+				$object->fac_rec = $fac_recid;
 				$fac_rec = new FactureFournisseurRec($db);
 				$fac_rec->fetch($object->fac_rec);
 				$fac_rec->fetch_lines();
@@ -926,10 +924,8 @@ if (empty($reshook)) {
 
 				$id = $object->create($user); // This include recopy of links from recurring invoice and recurring invoice lines
 			}
-		}
-
-		// Standard invoice or Deposit invoice, not from a Predefined template invoice
-		if (GETPOST('type') == FactureFournisseur::TYPE_STANDARD || GETPOST('type') == FactureFournisseur::TYPE_DEPOSIT && GETPOST('fac_rec') <= 0) {
+		} elseif ($fac_recid <= 0 && (GETPOST('type') == FactureFournisseur::TYPE_STANDARD || GETPOST('type') == FactureFournisseur::TYPE_DEPOSIT)) {
+			// Standard invoice or Deposit invoice, not from a Predefined template invoice
 			if (GETPOST('socid', 'int') < 1) {
 				setEventMessages($langs->trans('ErrorFieldRequired', $langs->transnoentities('Supplier')), null, 'errors');
 				$action = 'create';
@@ -2024,15 +2020,15 @@ if ($action == 'create') {
 
 	$exampletemplateinvoice = new FactureFournisseurRec($db);
 	$invoice_predefined = new FactureFournisseurRec($db);
-	if (empty($origin) && empty($originid) && GETPOST('fac_rec', 'int') > 0) {
-		$invoice_predefined->fetch(GETPOST('fac_rec', 'int'));
+	if (empty($origin) && empty($originid) && $fac_recid > 0) {
+		$invoice_predefined->fetch($fac_recid);
 	}
 
 	// Third party
 	print '<tr><td class="fieldrequired">'.$langs->trans('Supplier').'</td>';
 	print '<td>';
 
-	if ($societe->id > 0 && (!GETPOST('fac_rec', 'int') || !empty($invoice_predefined->frequency))) {
+	if ($societe->id > 0 && ($fac_recid <= 0 || !empty($invoice_predefined->frequency))) {
 		$absolute_discount = $societe->getAvailableDiscounts('', '', 0, 1);
 		print $societe->getNomUrl(1, 'supplier');
 		print '<input type="hidden" name="socid" value="'.$societe->id.'">';
@@ -2050,15 +2046,15 @@ if ($action == 'create') {
 			});
 			</script>';
 		}
-		if (!GETPOST('fac_rec', 'int')) {
+		if ($fac_recid <= 0) {
 			print ' <a href="'.DOL_URL_ROOT.'/societe/card.php?action=create&client=0&fournisseur=1&backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create').'"><span class="fa fa-plus-circle valignmiddle paddingleft" title="'.$langs->trans("AddThirdParty").'"></span></a>';
 		}
 	}
 	print '</td></tr>';
 
 	// Overwrite some values if creation of invoice is from a predefined invoice
-	if (empty($origin) && empty($originid) && GETPOST('fac_rec', 'int') > 0) {
-		$invoice_predefined->fetch(GETPOST('fac_rec', 'int'));
+	if (empty($origin) && empty($originid) && $fac_recid > 0) {
+		$invoice_predefined->fetch($fac_recid);
 
 		$dateinvoice = $invoice_predefined->date_when; // To use next gen date by default later
 		if (empty($projectid)) {
@@ -2088,15 +2084,15 @@ if ($action == 'create') {
 
 			if ($num > 0) {
 				print '<tr><td>'.$langs->trans('CreateFromRepeatableInvoice').'</td><td>';
-				//print '<input type="hidden" name="fac_rec" id="fac_rec" value="'.GETPOST('fac_rec', 'int').'">';
+				//print '<input type="hidden" name="fac_rec" id="fac_rec" value="'.$fac_recid.'">';
 				print '<select class="flat" id="fac_rec" name="fac_rec">'; // We may want to change the template to use
 				print '<option value="0" selected></option>';
 				while ($i < $num) {
 					$objp = $db->fetch_object($resql);
 					print '<option value="'.$objp->rowid.'"';
-					if (GETPOST('fac_rec', 'int') == $objp->rowid) {
+					if ($fac_recid == $objp->rowid) {
 						print ' selected';
-						$exampletemplateinvoice->fetch(GETPOST('fac_rec', 'int'));
+						$exampletemplateinvoice->fetch($fac_recid);
 					}
 					print '>'.$objp->title.' ('.price($objp->total_ttc).' '.$langs->trans("TTC").')</option>';
 					$i++;
@@ -2408,7 +2404,7 @@ if ($action == 'create') {
 		$langs->load('projects');
 		print '<tr><td>'.$langs->trans('Project').'</td><td>';
 		print img_picto('', 'project', 'class="pictofixedwidth"').$formproject->select_projects((empty($conf->global->PROJECT_CAN_ALWAYS_LINK_TO_ALL_SUPPLIERS) ? $societe->id : -1), $projectid, 'projectid', 0, 0, 1, 1, 0, 0, 0, '', 1, 0, 'maxwidth500 widthcentpercentminusxx');
-		print ' <a href="'.DOL_URL_ROOT.'/projet/card.php?socid='.$soc->id.'&action=create&status=1&backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create&socid='.$soc->id.($fac_rec ? '&fac_rec='.$fac_rec : '')).'"><span class="fa fa-plus-circle valignmiddle" title="'.$langs->trans("AddProject").'"></span></a>';
+		print ' <a href="'.DOL_URL_ROOT.'/projet/card.php?socid='.$soc->id.'&action=create&status=1&backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create&socid='.$soc->id.($fac_recid > 0 ? '&fac_rec='.$fac_recid : '')).'"><span class="fa fa-plus-circle valignmiddle" title="'.$langs->trans("AddProject").'"></span></a>';
 		print '</td></tr>';
 	}
 
@@ -2432,7 +2428,7 @@ if ($action == 'create') {
 
 	// Help of substitution key
 	$htmltext = '';
-	if (GETPOST('fac_rec', 'int') > 0) {
+	if ($fac_recid > 0) {
 		$dateexample = $newdateinvoice ? $newdateinvoice : $dateinvoice;
 		if (empty($dateexample)) {
 			$dateexample = dol_now();