Add generateUrlFromPattern method for admin preview

src/UrlPatternManager.php

@@ -415,6 +415,31 @@ class UrlPatternManager
         return $url;
     }
 
+    /**
+     * Generate URL from a specific pattern string (for preview)
+     *
+     * @param string $entityType
+     * @param int $idEntity
+     * @param int $idLang
+     * @param string $pattern Pattern string to use
+     * @return string|null
+     */
+    public function generateUrlFromPattern($entityType, $idEntity, $idLang, $pattern)
+    {
+        $entityData = $this->getEntityData($entityType, $idEntity, $idLang);
+        if (!$entityData) {
+            return null;
+        }
+
+        $patternConfig = $this->getPattern($entityType) ?: [];
+        $patternConfig['pattern'] = $pattern;
+
+        $url = $this->replacePlaceholders($pattern, $entityData, $patternConfig);
+        $url = $this->applyUrlFormatting($url, $entityType, $patternConfig);
+
+        return $url;
+    }
+
     /**
      * Get entity data for placeholder replacement
      *