From 6bbbd99be901d51599eded1ac27e3c8be8bb951a Mon Sep 17 00:00:00 2001
From: Christian Foellmann <christian@foellmann.de>
Date: Tue, 26 Oct 2021 17:23:51 +0200
Subject: [PATCH] use any available fontawesome icon in picto

---
 htdocs/core/lib/functions.lib.php | 47 +++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index bf36a72bfa2..5d48edabe03 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1650,7 +1650,11 @@ function dol_get_fiche_head($links = array(), $active = '', $title = '', $notab
 		$limittitle = 30;
 		$out .= '<a class="tabTitle">';
 		if ($picto) {
-			$out .= img_picto($title, ($pictoisfullpath ? '' : 'object_').$picto, '', $pictoisfullpath, 0, 0, '', 'imgTabTitle').' ';
+			$noprefix = $pictoisfullpath;
+			if (strpos($picto, 'fontawesome_') !== false) {
+				$noprefix = 1;
+			}
+			$out .= img_picto($title, ($noprefix ? '' : 'object_').$picto, '', $pictoisfullpath, 0, 0, '', 'imgTabTitle').' ';
 		}
 		$out .= '<span class="tabTitleText">'.dol_escape_htmltag(dol_trunc($title, $limittitle)).'</span>';
 		$out .= '</a>';
@@ -2004,10 +2008,14 @@ function dol_banner_tab($object, $paramid, $morehtml = '', $shownav = 1, $fieldi
 					$width = 14;
 					$cssclass = 'photorefcenter';
 					$picto = $object->picto;
+					$prefix = 'object_';
 					if ($object->element == 'project' && !$object->public) {
 						$picto = 'project'; // instead of projectpub
 					}
-					$nophoto = img_picto('No photo', 'object_'.$picto);
+					if (strpos($picto, 'fontawesome_') !== false) {
+						$prefix = '';
+					}
+					$nophoto = img_picto('No photo', $prefix.$picto);
 				}
 				$morehtmlleft .= '<!-- No photo to show -->';
 				$morehtmlleft .= '<div class="floatleft inline-block valignmiddle divphotoref"><div class="photoref">';
@@ -3592,6 +3600,7 @@ function dol_trunc($string, $size = 40, $trunc = 'right', $stringencoding = 'UTF
  *                                  				Example: picto.png                  if picto.png is stored into htdocs/theme/mytheme/img
  *                                  				Example: picto.png@mymodule         if picto.png is stored into htdocs/mymodule/img
  *                                  				Example: /mydir/mysubdir/picto.png  if picto.png is stored into htdocs/mydir/mysubdir (pictoisfullpath must be set to 1)
+ *                                                  Example: fontawesome_envelope-open-text_fas_red if you want to use fontaweseome icons: fontawesome_<icon-name>_style_color_size
  *	@param		string		$moreatt				Add more attribute on img tag (For example 'class="pictofixedwidth"')
  *	@param		boolean|int	$pictoisfullpath		If true or 1, image path is a full path
  *	@param		int			$srconly				Return only content of the src attribute of img.
@@ -3623,6 +3632,40 @@ function img_picto($titlealt, $picto, $moreatt = '', $pictoisfullpath = false, $
 		}
 	} else {
 		$pictowithouttext = preg_replace('/(\.png|\.gif|\.svg)$/', '', $picto);
+
+		if (strpos($pictowithouttext, 'fontawesome_') !== false) {
+			$pictowithouttext = explode('_', $pictowithouttext);
+			$marginleftonlyshort = 0;
+
+			$fakey      = 'fa-'.$pictowithouttext[1];
+			$fa         = $pictowithouttext[2] ? $pictowithouttext[2] : 'fa';
+			$facolor    = $pictowithouttext[3] ? $pictowithouttext[3] : '';
+			$fasize     = $pictowithouttext[4] ? $pictowithouttext[4] : '';
+
+			// This snippet only needed since function img_edit accepts only one additional parameter: no separate one for css only.
+			// class/style need to be extracted to avoid duplicate class/style validation errors when $moreatt is added to the end of the attributes.
+			$morestyle = '';
+			$reg = array();
+			if (preg_match('/class="([^"]+)"/', $moreatt, $reg)) {
+				$morecss .= ($morecss ? ' ' : '').$reg[1];
+				$moreatt = str_replace('class="'.$reg[1].'"', '', $moreatt);
+			}
+			if (preg_match('/style="([^"]+)"/', $moreatt, $reg)) {
+				$morestyle = $reg[1];
+				$moreatt = str_replace('style="'.$reg[1].'"', '', $moreatt);
+			}
+			$moreatt = trim($moreatt);
+
+			$enabledisablehtml = '<span class="'.$fa.' '.$fakey.($marginleftonlyshort ? ($marginleftonlyshort == 1 ? ' marginleftonlyshort' : ' marginleftonly') : '');
+			$enabledisablehtml .= ($morecss ? ' '.$morecss : '').'" style="'.($fasize ? ('font-size: '.$fasize.';') : '').($facolor ? (' color: '.$facolor.';') : '').($morestyle ? ' '.$morestyle : '').'"'.(($notitle || empty($titlealt)) ? '' : ' title="'.dol_escape_htmltag($titlealt).'"').($moreatt ? ' '.$moreatt : '').'>';
+			/*if (!empty($conf->global->MAIN_OPTIMIZEFORTEXTBROWSER)) {
+				$enabledisablehtml .= $titlealt;
+			}*/
+			$enabledisablehtml .= '</span>';
+
+			return $enabledisablehtml;
+		}
+
 		$pictowithouttext = str_replace('object_', '', $pictowithouttext);
 		if (empty($srconly) && in_array($pictowithouttext, array(
 				'1downarrow', '1uparrow', '1leftarrow', '1rightarrow', '1uparrow_selected', '1downarrow_selected', '1leftarrow_selected', '1rightarrow_selected',