error label for 'no access' and info label for 'empty directory'

application/core/Maps/DirectoryBrowser.php

@@ -3,6 +3,7 @@
 namespace ManiaControl\Maps;
 
 use FML\Controls\Frame;
+use FML\Controls\Label;
 use FML\Controls\Labels\Label_Button;
 use FML\Controls\Labels\Label_Text;
 use FML\Controls\Quads\Quad_BgsPlayerCard;
@@ -154,6 +155,14 @@ class DirectoryBrowser implements ManialinkPageAnswerListener {
 		$mapFiles = $this->scanMapFiles($folderPath);
 
 		if (is_array($mapFiles)) {
+			if (empty($mapFiles)) {
+				$emptyLabel = new Label();
+				$frame->add($emptyLabel);
+				$emptyLabel->setY(20)
+				           ->setTextColor('aaa')
+				           ->setText('No files found.')
+				           ->setTranslate(true);
+			} else {
 				foreach ($mapFiles as $filePath => $fileName) {
 					$shortFilePath = substr($filePath, strlen($folderPath));
 
@@ -203,6 +212,7 @@ class DirectoryBrowser implements ManialinkPageAnswerListener {
 							          ->setSize(3, 3)
 							          ->setTextSize(2)
 							          ->setText('Add')
+							          ->setTranslate(true)
 							          ->setAction(self::ACTION_ADD_FILE);
 						}
 
@@ -214,6 +224,7 @@ class DirectoryBrowser implements ManialinkPageAnswerListener {
 							            ->setSize(3, 3)
 							            ->setTextSize(2)
 							            ->setText('Erase')
+							            ->setTranslate(true)
 							            ->setAction(self::ACTION_ERASE_FILE);
 						}
 					}
@@ -221,8 +232,14 @@ class DirectoryBrowser implements ManialinkPageAnswerListener {
 					$posY -= 4;
 					$index++;
 				}
+			}
 		} else {
-			// TODO: show error label
+			$errorLabel = new Label();
+			$frame->add($errorLabel);
+			$errorLabel->setY(20)
+			           ->setTextColor('f30')
+			           ->setText('No access to the directory.')
+			           ->setTranslate(true);
 		}
 
 		$this->maniaControl->manialinkManager->displayWidget($maniaLink, $player, self::WIDGET_NAME);