Add fallback icons

Author: zonky2

src/Contao/Widgets/MultiColumnWizard.php

@@ -3,7 +3,7 @@
 /**
  * This file is part of menatwork/contao-multicolumnwizard-bundle.
  *
- * (c) 2012-2025 MEN AT WORK.
+ * (c) 2012-2026 MEN AT WORK.
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -43,7 +43,7 @@
  * @author     David Greminger <david.greminger@1up.io>
  * @copyright  2011 Andreas Schempp
  * @copyright  2011 certo web & design GmbH
- * @copyright  2013-2025 MEN AT WORK
+ * @copyright  2013-2026 MEN AT WORK
  * @license    https://github.com/menatwork/contao-multicolumnwizard-bundle/blob/master/LICENSE LGPL-3.0-or-later
  * @filesource
  */
@@ -159,9 +159,9 @@ class MultiColumnWizard extends Widget
      * @var array
      */
     protected $arrButtons = [
-        'new'    => 'new.gif',
-        'delete' => 'delete.gif',
-        'move'   => 'drag.gif'
+        'new'    => 'new.svg',
+        'delete' => 'delete.svg',
+        'move'   => 'drag.svg'
     ];
     /**
      * @var ContaoApiService
@@ -301,9 +301,9 @@ public function __set($strKey, $varValue)
                 if ($varValue === false) {
                     unset($this->arrButtons['move']);
                     unset($this->arrButtons['delete']);
-                    $this->arrButtons['up']     = 'up.gif';
-                    $this->arrButtons['down']   = 'down.gif';
-                    $this->arrButtons['delete'] = 'delete.gif';
+                    $this->arrButtons['up']     = 'up.svg';
+                    $this->arrButtons['down']   = 'down.svg';
+                    $this->arrButtons['delete'] = 'delete.svg';
                 }
                 break;
 
@@ -1084,7 +1084,7 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
         if (($arrField['inputType'] ?? null) === 'textarea' && empty($arrField['eval']['rte'])) {
             $xlabel .= ' '
                        . Image::getHtml(
-                           'wrap.gif',
+                           'wrap.svg',
                            $GLOBALS['TL_LANG']['MSC']['wordWrap'],
                            'title="' . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['wordWrap'])
                            . '" class="toggleWrap" onclick="Backend.toggleWrap(\'ctrl_'
@@ -1110,7 +1110,7 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
                 . StringUtil::specialchars(str_replace("'", "\\'", $label))
                 . '\',\'url\':this.href});return false">'
                 . Image::getHtml(
-                    'about.gif',
+                    'about.svg',
                     $GLOBALS['TL_LANG']['MSC']['helpWizard'],
                     'style="vertical-align:text-bottom"'
                 ) . '</a>';
@@ -1129,7 +1129,7 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
                                      . '" title="' . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['fileManager'])
                                      . '" data-lightbox="files 765 80%">'
                                      . Image::getHtml(
-                                         'filemanager.gif',
+                                         'filemanager.svg',
                                          $GLOBALS['TL_LANG']['MSC']['fileManager'],
                                          'style="vertical-align:text-bottom;"'
                                      )
@@ -1147,23 +1147,23 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
                        . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['tw_import'][1])
                        . '" onclick="Backend.getScrollOffset();">'
                        . Image::getHtml(
-                           'tablewizard.gif',
+                           'tablewizard.svg',
                            $GLOBALS['TL_LANG']['MSC']['tw_import'][0],
                            'style="vertical-align:text-bottom;"'
                        )
                        . '</a>';
 
             $xlabel .= ' '
                        . Image::getHtml(
-                           'demagnify.gif',
+                           'demagnify.svg',
                            '',
                            'title="'
                             . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['tw_shrink'])
                             . '" style="vertical-align:text-bottom; cursor:pointer;"'
                             . ' onclick="Backend.tableWizardResize(0.9);"'
                        )
                        . Image::getHtml(
-                           'magnify.gif',
+                           'magnify.svg',
                            '',
                            'title="'
                            . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['tw_expand'])
@@ -1177,7 +1177,7 @@ protected function initializeWidget(&$arrField, $intRow, $strKey, $varValue)
                        . '" title="' . StringUtil::specialchars($GLOBALS['TL_LANG']['MSC']['lw_import'][1])
                        . '" onclick="Backend.getScrollOffset();">'
                        . Image::getHtml(
-                           'tablewizard.gif',
+                           'tablewizard.svg',
                            $GLOBALS['TL_LANG']['MSC']['tw_import'][0],
                            'style="vertical-align:text-bottom;"'
                        )
@@ -1765,13 +1765,23 @@ protected function generateButtonString($level = 0)
             }
 
             $btnName = \sprintf('tw_r%s', StringUtil::specialchars($button));
+            // Get a fallback icon if not found in the core.
+            if ('' === ($icon
+                    = Image::getHtml($image, $GLOBALS['TL_LANG']['MSC'][$btnName], 'class="tl_listwizard_img"'))) {
+                $icon
+                    = Image::getHtml(
+                        'bundles/multicolumnwizard/img/' . $image,
+                        $GLOBALS['TL_LANG']['MSC'][$btnName],
+                        'class="tl_listwizard_img"'
+                        );
+            }
             $return .=
                 \sprintf(
                     '<a data-operations="%s" href="%s" class="widgetImage op-%s" title="%s">%s</a>',
                     $button,
                     $this->addToUrl(
                         \sprintf(
-                            '&%s=%s&cid=%s&id=',
+                            '&%s=%s&cid=%s&id=%s',
                             $this->strCommand,
                             $button,
                             $level,