Add a helper function, blade directive and blade condition to retreiv…

…e the current locale direction

src/Blade/LanguageBladeExtension.php

@@ -2,6 +2,8 @@
 
 namespace Exolnet\Translation\Blade;
 
+use Exolnet\Translation\Facades\LaravelTranslation;
+
 class LanguageBladeExtension
 {
     /**
@@ -13,6 +15,16 @@ public function getDirectives()
             'currentLocale' => [$this, 'getCurrentLocale'],
             'currentLocaleName' => [$this, 'getCurrentLocaleName'],
             'currentLocaleNativeName' => [$this, 'getCurrentLocaleNativeName'],
+            'currentLocaleScript' => [$this, 'getCurrentLocaleScript'],
+            'currentLocaleDirection' => [$this, 'getCurrentLocaleDirection'],
+        ];
+    }
+
+    public function getConditionals()
+    {
+        return [
+            'isrtl' => [$this, 'isRtl'],
+            'isltr' => [$this, 'isLtr'],
         ];
     }
 
@@ -39,4 +51,30 @@ public function getCurrentLocaleNativeName()
     {
         return '<?php echo LaravelTranslation::getCurrentLocaleNativeName(); ?>';
     }
+
+    /**
+     * @return string
+     */
+    public function getCurrentLocaleScript()
+    {
+        return '<?php echo LaravelTranslation::getCurrentLocaleScript(); ?>';
+    }
+
+    /**
+     * @return string
+     */
+    public function getCurrentLocaleDirection()
+    {
+        return '<?php echo LaravelTranslation::getCurrentLocaleDirection(); ?>';
+    }
+
+    public function isRtl()
+    {
+        return !$this->isLtr();
+    }
+
+    public function isLtr()
+    {
+        return LaravelTranslation::getCurrentLocaleDirection() === "rtl";
+    }
 }

src/LocaleService.php

@@ -252,4 +252,70 @@ public function getLocaleNativeName(string $locale = null)
 
         return array_get($this->getLocalesAvailable()[$locale], 'native', '');
     }
+
+    /**
+     * Return the current locale native name
+     * @return string
+     * @throws \Exolnet\Translation\TranslationException
+     */
+    public function getCurrentLocaleScript()
+    {
+        return $this->getLocaleScript($this->getCurrentLocale());
+    }
+
+    /**
+     * Return the locale native name for a specified locale
+     * @param string|null $locale
+     * @return string
+     * @throws \Exolnet\Translation\TranslationException
+     */
+    public function getLocaleScript(string $locale = null)
+    {
+        if (!$locale) {
+            $locale = $this->getCurrentLocale();
+        }
+
+        if (!isset($this->getLocalesAvailable()[$locale])) {
+            return '';
+        }
+
+        return array_get($this->getLocalesAvailable()[$locale], 'script', '');
+    }
+
+    /**
+     * Returns current locale direction.
+     *
+     * @return string current locale direction
+     * @throws \Exolnet\Translation\TranslationException
+     */
+    public function getCurrentLocaleDirection()
+    {
+        return $this->getLocaleDirection($this->getCurrentLocale());
+    }
+
+    /**
+     * Returns locale direction.
+     *
+     * @param string|null $locale
+     * @return string current locale direction
+     * @throws \Exolnet\Translation\TranslationException
+     */
+    public function getLocaleDirection(string $locale = null)
+    {
+        if (!$locale) {
+            $locale = $this->getCurrentLocale();
+        }
+
+        switch ($this->getLocaleScript($locale)) {
+            // Other (historic) RTL scripts exist, but this list contains the only ones in current use.
+            case 'Arab':
+            case 'Hebr':
+            case 'Mong':
+            case 'Tfng':
+            case 'Thaa':
+                return 'rtl';
+            default:
+                return 'ltr';
+        }
+    }
 }

src/TranslationServiceProvider.php

@@ -154,6 +154,9 @@ private function bootBladeExtensions()
             foreach ($extension->getDirectives() as $name => $callable) {
                 $this->app['blade.compiler']->directive($name, $callable);
             }
+            foreach ($extension->getConditionals() as $name => $callable) {
+                $this->app['blade.compiler']->if($name, $callable);
+            }
         }
     }