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examples/ServerManager/UI/SftpManagerTab.php

@@ -10,6 +10,7 @@ use PHPNative\Ui\Widget\Label;
 use PHPNative\Ui\Widget\Modal;
 use PHPNative\Ui\Widget\TextArea;
 use PHPNative\Ui\Widget\TextInput;
+use PHPNative\Ui\Widget\ProgressBar;
 
 class SftpManagerTab
 {
@@ -33,6 +34,14 @@ class SftpManagerTab
     private null|array $currentRemoteSelection = null;
     private ?string $lastRemoteClickPath = null;
     private float $lastRemoteClickTime = 0.0;
+    private ProgressBar $transferProgressBar;
+    private Label $transferInfoLabel;
+    private array $pendingUploadQueue = [];
+    private int $totalUploadFiles = 0;
+    private int $completedUploadFiles = 0;
+    private array $pendingDownloadQueue = [];
+    private int $totalDownloadFiles = 0;
+    private int $completedDownloadFiles = 0;
 
     public function __construct(
         string &$apiKey,
@@ -88,19 +97,26 @@ class SftpManagerTab
         $remoteBrowserContainer->addComponent($this->connectionStatusLabel);
 
         // Middle: Transfer buttons (Upload/Download)
-        $transferContainer = new Container('flex flex-col justify-center items-center gap-2');
+        $transferContainer = new Container('flex flex-col justify-center items-center gap-2 w-[180]');
 
         $uploadButton = new Button(
             'Hochladen →',
-            'px-3 py-2 bg-blue-600 text-white rounded hover:bg-blue-700',
+            'w-full px-3 py-2 bg-green-600 text-white rounded hover:bg-green-700',
         );
         $downloadButton = new Button(
             '← Herunterladen',
-            'px-3 py-2 bg-blue-600 text-white rounded hover:bg-blue-700',
+            'w-full px-3 py-2 bg-blue-600 text-white rounded hover:bg-blue-700',
         );
         $transferContainer->addComponent($uploadButton);
         $transferContainer->addComponent($downloadButton);
 
+        // Transfer-Info + ProgressBar
+        $this->transferInfoLabel = new Label('Kein Transfer aktiv', 'text-xs text-gray-600 mt-2');
+        $this->transferProgressBar = new ProgressBar('mt-1');
+        $this->transferProgressBar->setValue(0.0);
+        $transferContainer->addComponent($this->transferInfoLabel);
+        $transferContainer->addComponent($this->transferProgressBar);
+
         $this->tab->addComponent($localBrowserContainer);
         $this->tab->addComponent($transferContainer);
         $this->tab->addComponent($remoteBrowserContainer);
@@ -776,16 +792,6 @@ class SftpManagerTab
             return;
         }
 
-        if (($localRow['isDir'] ?? false) === true) {
-            $statusLabel->setText('Ordner-Upload wird noch nicht unterstützt');
-            return;
-        }
-
-        if (!is_file($localPath) || !is_readable($localPath)) {
-            $statusLabel->setText('Lokale Datei ist nicht lesbar');
-            return;
-        }
-
         if ($serverListTab->selectedServer === null) {
             $statusLabel->setText('Kein Server ausgewählt');
             return;
@@ -801,13 +807,177 @@ class SftpManagerTab
             $remoteDir = '/';
         }
 
-        $remotePath = rtrim($remoteDir, '/') . '/' . basename($localPath);
+        // Upload-Größe vorab bestimmen
+        $stats = $this->calculateLocalUploadStats($localPath, $localRow);
+        $totalBytes = $stats['bytes'];
+        $fileCount = $stats['files'];
+        $dirCount = $stats['dirs'];
+
+        $this->transferProgressBar->setValue(0.0);
+        $this->transferInfoLabel->setText(
+            sprintf(
+                'Upload: %d Dateien, %d Ordner (%.2f MB)',
+                $fileCount,
+                $dirCount,
+                $totalBytes > 0 ? ($totalBytes / (1024 * 1024)) : 0,
+            ),
+        );
+
+        // Upload-Queue für virtuelle ProgressBar vorbereiten
+        $this->pendingUploadQueue = $this->buildUploadQueue($localPath, $localRow, $remoteDir);
+        $this->totalUploadFiles = count($this->pendingUploadQueue);
+        $this->completedUploadFiles = 0;
+
+        if ($this->totalUploadFiles <= 0) {
+            $this->transferProgressBar->setValue(1.0);
+            $this->transferInfoLabel->setText('Keine Dateien zum Hochladen');
+            return;
+        }
+
+        // Referenz auf ausgewählten Server für spätere Reloads
+        $this->startNextUploadTask($currentPrivateKeyPath, $serverListTab, $statusLabel);
+    }
+
+    /**
+     * Lokale Upload-Statistik (Dateien/Ordner/Bytes) rekursiv berechnen.
+     */
+    private function calculateLocalUploadStats(string $path, array $row): array
+    {
+        $files = 0;
+        $dirs = 0;
+        $bytes = 0;
+
+        $isDir = (bool) ($row['isDir'] ?? false);
+
+        if (!$isDir) {
+            if (is_file($path) && is_readable($path)) {
+                $files = 1;
+                $bytes = (int) @filesize($path);
+            }
+            return ['files' => $files, 'dirs' => $dirs, 'bytes' => $bytes];
+        }
+
+        // Ordner: rekursiv zählen
+        $dirs++;
+
+        $iterator = @scandir($path);
+        if ($iterator === false) {
+            return ['files' => $files, 'dirs' => $dirs, 'bytes' => $bytes];
+        }
+
+        foreach ($iterator as $entry) {
+            if ($entry === '.' || $entry === '..') {
+                continue;
+            }
+
+            $childPath = $path . DIRECTORY_SEPARATOR . $entry;
+
+            if (is_dir($childPath)) {
+                $childStats = $this->calculateLocalUploadStats($childPath, ['isDir' => true]);
+                $files += $childStats['files'];
+                $dirs += $childStats['dirs'];
+                $bytes += $childStats['bytes'];
+            } elseif (is_file($childPath) && is_readable($childPath)) {
+                $files++;
+                $bytes += (int) @filesize($childPath);
+            }
+        }
+
+        return ['files' => $files, 'dirs' => $dirs, 'bytes' => $bytes];
+    }
+
+    /**
+     * Queue für Datei-Uploads aufbauen (Datei- oder Ordner-Auswahl).
+     *
+     * @return array<int,array{local:string,remote:string}>
+     */
+    private function buildUploadQueue(string $localPath, array $row, string $remoteDir): array
+    {
+        $queue = [];
+        $remoteBase = rtrim($remoteDir, '/');
+        if ($remoteBase === '') {
+            $remoteBase = '/';
+        }
+
+        $isDir = (bool) ($row['isDir'] ?? false);
+        if (!$isDir) {
+            $queue[] = [
+                'local' => $localPath,
+                'remote' => $remoteBase . '/' . basename($localPath),
+            ];
+            return $queue;
+        }
+
+        // Wurzelordner auf Remote
+        $rootRemote = $remoteBase . '/' . basename($localPath);
+        $this->collectUploadFilesRecursive($localPath, $rootRemote, $queue);
+
+        return $queue;
+    }
+
+    /**
+     * Rekursive Sammlung aller Dateien eines Ordners.
+     *
+     * @param array<int,array{local:string,remote:string}> $queue
+     */
+    private function collectUploadFilesRecursive(string $localDir, string $remoteDir, array &$queue): void
+    {
+        $entries = @scandir($localDir);
+        if ($entries === false) {
+            return;
+        }
+
+        foreach ($entries as $entry) {
+            if ($entry === '.' || $entry === '..') {
+                continue;
+            }
+
+            $localChild = $localDir . DIRECTORY_SEPARATOR . $entry;
+            $remoteChild = rtrim($remoteDir, '/') . '/' . $entry;
+
+            if (is_dir($localChild)) {
+                $this->collectUploadFilesRecursive($localChild, $remoteChild, $queue);
+            } elseif (is_file($localChild) && is_readable($localChild)) {
+                $queue[] = [
+                    'local' => $localChild,
+                    'remote' => $remoteChild,
+                ];
+            }
+        }
+    }
+
+    /**
+     * Nächste Datei aus der Upload-Queue hochladen und ProgressBar aktualisieren.
+     */
+    private function startNextUploadTask(
+        string &$currentPrivateKeyPath,
+        ServerListTab $serverListTab,
+        Label $statusLabel,
+    ): void {
+        if ($this->totalUploadFiles <= 0) {
+            $this->transferProgressBar->setValue(1.0);
+            $this->transferInfoLabel->setText('Keine Dateien zum Hochladen');
+            return;
+        }
+
+        if (empty($this->pendingUploadQueue)) {
+            // Alle Dateien hochgeladen
+            $this->transferProgressBar->setValue(1.0);
+            $this->transferInfoLabel->setText('Upload abgeschlossen');
+
+            $selectedServerRef = &$serverListTab->selectedServer;
+            $this->reloadCurrentDirectory($currentPrivateKeyPath, $selectedServerRef, $statusLabel);
+            return;
+        }
+
+        $item = array_shift($this->pendingUploadQueue);
+        $localPath = $item['local'];
+        $remotePath = $item['remote'];
 
-        // Use reference to selected server for async operation
         $selectedServerRef = &$serverListTab->selectedServer;
         $sftpTab = $this;
 
-        $uploadAsyncButton = new Button('Upload', '');
+        $uploadAsyncButton = new Button('UploadChunk', '');
         $uploadAsyncButton->setOnClickAsync(
             function () use (&$currentPrivateKeyPath, &$selectedServerRef, $localPath, $remotePath) {
                 if ($selectedServerRef === null || empty($currentPrivateKeyPath)) {
@@ -824,7 +994,23 @@ class SftpManagerTab
                         return ['error' => 'SFTP Login failed'];
                     }
 
-                    $result = $sftp->put($remotePath, $localPath, \phpseclib3\Net\SFTP::SOURCE_LOCAL_FILE);
+                    // Zielverzeichnis sicherstellen
+                    $remoteDir = dirname($remotePath);
+                    if (!$sftp->is_dir($remoteDir)) {
+                        if (!$sftp->mkdir($remoteDir, -1, true)) {
+                            return ['error' => 'Kann Remote-Verzeichnis nicht anlegen'];
+                        }
+                    }
+
+                    if (!is_file($localPath) || !is_readable($localPath)) {
+                        return ['error' => 'Lokale Datei ist nicht lesbar'];
+                    }
+
+                    $result = $sftp->put(
+                        $remotePath,
+                        $localPath,
+                        \phpseclib3\Net\SFTP::SOURCE_LOCAL_FILE,
+                    );
                     if ($result === false) {
                         return ['error' => 'Upload fehlgeschlagen'];
                     }
@@ -834,19 +1020,34 @@ class SftpManagerTab
                     return ['error' => $e->getMessage()];
                 }
             },
-            function ($result) use ($sftpTab, $statusLabel, &$currentPrivateKeyPath, &$selectedServerRef) {
+            function ($result) use ($sftpTab, &$currentPrivateKeyPath, $serverListTab, $statusLabel) {
                 if (isset($result['error'])) {
+                    $sftpTab->transferInfoLabel->setText('Upload fehlgeschlagen: ' . $result['error']);
                     $statusLabel->setText('Fehler beim Hochladen: ' . $result['error']);
                     return;
                 }
 
                 if (isset($result['success'])) {
-                    $statusLabel->setText('Datei erfolgreich hochgeladen');
-                    $sftpTab->reloadCurrentDirectory($currentPrivateKeyPath, $selectedServerRef, $statusLabel);
+                    $sftpTab->completedUploadFiles++;
+                    $progress = $sftpTab->totalUploadFiles > 0
+                        ? ($sftpTab->completedUploadFiles / $sftpTab->totalUploadFiles)
+                        : 1.0;
+                    $sftpTab->transferProgressBar->setValue($progress);
+                    $sftpTab->transferInfoLabel->setText(
+                        sprintf(
+                            'Upload: %d / %d Dateien',
+                            $sftpTab->completedUploadFiles,
+                            $sftpTab->totalUploadFiles,
+                        ),
+                    );
+
+                    // Nächste Datei starten
+                    $sftpTab->startNextUploadTask($currentPrivateKeyPath, $serverListTab, $statusLabel);
                 }
             },
-            function ($error) use ($statusLabel) {
+            function ($error) use ($sftpTab, $statusLabel) {
                 $errorMsg = is_string($error) ? $error : 'Unknown error';
+                $sftpTab->transferInfoLabel->setText('Upload fehlgeschlagen: ' . $errorMsg);
                 $statusLabel->setText('Fehler beim Hochladen: ' . $errorMsg);
             },
         );
@@ -854,6 +1055,105 @@ class SftpManagerTab
         $uploadAsyncButton->handleMouseClick(0, 0, 0);
     }
 
+    /**
+     * Nächste Datei aus der Download-Queue holen und Fortschritt aktualisieren.
+     */
+    private function startNextDownloadTask(
+        string &$currentPrivateKeyPath,
+        ServerListTab $serverListTab,
+        Label $statusLabel,
+        string $localRootDir,
+    ): void {
+        if ($this->totalDownloadFiles <= 0) {
+            $this->transferProgressBar->setValue(1.0);
+            $this->transferInfoLabel->setText('Keine Dateien zum Herunterladen');
+            return;
+        }
+
+        if (empty($this->pendingDownloadQueue)) {
+            // Alle Dateien heruntergeladen
+            $this->transferProgressBar->setValue(1.0);
+            $this->transferInfoLabel->setText('Download abgeschlossen');
+            $this->localFileBrowser->loadDirectory($localRootDir);
+            return;
+        }
+
+        $item = array_shift($this->pendingDownloadQueue);
+        $remotePath = $item['remote'];
+        $localPath = $item['local'];
+
+        $selectedServerRef = &$serverListTab->selectedServer;
+        $sftpTab = $this;
+
+        $downloadAsyncButton = new Button('DownloadChunk', '');
+        $downloadAsyncButton->setOnClickAsync(
+            function () use (&$currentPrivateKeyPath, &$selectedServerRef, $remotePath, $localPath) {
+                if ($selectedServerRef === null || empty($currentPrivateKeyPath)) {
+                    return ['error' => 'Not connected'];
+                }
+
+                $selectedServer = $selectedServerRef;
+
+                try {
+                    $sftp = new \phpseclib3\Net\SFTP($selectedServer['ipv4']);
+                    $key = \phpseclib3\Crypt\PublicKeyLoader::load(file_get_contents($currentPrivateKeyPath));
+
+                    if (!$sftp->login('root', $key)) {
+                        return ['error' => 'SFTP Login failed'];
+                    }
+
+                    $localDir = dirname($localPath);
+                    if (!is_dir($localDir)) {
+                        if (!mkdir($localDir, 0777, true) && !is_dir($localDir)) {
+                            return ['error' => 'Lokales Zielverzeichnis kann nicht erstellt werden'];
+                        }
+                    }
+
+                    $result = $sftp->get($remotePath, $localPath);
+                    if ($result === false) {
+                        return ['error' => 'Download fehlgeschlagen'];
+                    }
+
+                    return ['success' => true];
+                } catch (\Exception $e) {
+                    return ['error' => $e->getMessage()];
+                }
+            },
+            function ($result) use ($sftpTab, &$currentPrivateKeyPath, $serverListTab, $statusLabel, $localRootDir) {
+                if (isset($result['error'])) {
+                    $sftpTab->transferInfoLabel->setText('Download fehlgeschlagen: ' . $result['error']);
+                    $statusLabel->setText('Fehler beim Herunterladen: ' . $result['error']);
+                    return;
+                }
+
+                if (isset($result['success'])) {
+                    $sftpTab->completedDownloadFiles++;
+                    $progress = $sftpTab->totalDownloadFiles > 0
+                        ? ($sftpTab->completedDownloadFiles / $sftpTab->totalDownloadFiles)
+                        : 1.0;
+                    $sftpTab->transferProgressBar->setValue($progress);
+                    $sftpTab->transferInfoLabel->setText(
+                        sprintf(
+                            'Download: %d / %d Dateien',
+                            $sftpTab->completedDownloadFiles,
+                            $sftpTab->totalDownloadFiles,
+                        ),
+                    );
+
+                    // Nächste Datei herunterladen
+                    $sftpTab->startNextDownloadTask($currentPrivateKeyPath, $serverListTab, $statusLabel, $localRootDir);
+                }
+            },
+            function ($error) use ($sftpTab, $statusLabel) {
+                $errorMsg = is_string($error) ? $error : 'Unknown error';
+                $sftpTab->transferInfoLabel->setText('Download fehlgeschlagen: ' . $errorMsg);
+                $statusLabel->setText('Fehler beim Herunterladen: ' . $errorMsg);
+            },
+        );
+
+        $downloadAsyncButton->handleMouseClick(0, 0, 0);
+    }
+
     private function handleDownload(
         string &$currentPrivateKeyPath,
         ServerListTab $serverListTab,
@@ -872,11 +1172,6 @@ class SftpManagerTab
             return;
         }
 
-        if (($remoteRow['isDir'] ?? false) === true) {
-            $statusLabel->setText('Ordner-Download wird noch nicht unterstützt');
-            return;
-        }
-
         if ($serverListTab->selectedServer === null) {
             $statusLabel->setText('Kein Server ausgewählt');
             return;
@@ -897,15 +1192,16 @@ class SftpManagerTab
             return;
         }
 
-        $localPath = rtrim($localDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . basename($remotePath);
+        $this->transferProgressBar->setValue(0.0);
+        $this->transferInfoLabel->setText('Download wird vorbereitet …');
 
-        // Use reference to selected server for async operation
+        // Async-Scan der Remote-Struktur, um eine Download-Queue aufzubauen
         $selectedServerRef = &$serverListTab->selectedServer;
         $sftpTab = $this;
 
-        $downloadAsyncButton = new Button('Download', '');
-        $downloadAsyncButton->setOnClickAsync(
-            function () use (&$currentPrivateKeyPath, &$selectedServerRef, $remotePath, $localPath) {
+        $scanButton = new Button('ScanDownload', '');
+        $scanButton->setOnClickAsync(
+            function () use (&$currentPrivateKeyPath, &$selectedServerRef, $remotePath, $remoteRow, $localDir) {
                 if ($selectedServerRef === null || empty($currentPrivateKeyPath)) {
                     return ['error' => 'Not connected'];
                 }
@@ -920,34 +1216,113 @@ class SftpManagerTab
                         return ['error' => 'SFTP Login failed'];
                     }
 
-                    $result = $sftp->get($remotePath, $localPath);
-                    if ($result === false) {
-                        return ['error' => 'Download fehlgeschlagen'];
+                    $queue = [];
+                    $files = 0;
+                    $dirs = 0;
+
+                    $isDir = (bool) ($remoteRow['isDir'] ?? false);
+                    if (!$isDir) {
+                        $queue[] = [
+                            'remote' => $remotePath,
+                            'local' => rtrim($localDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . basename($remotePath),
+                        ];
+                        $files = 1;
+                    } else {
+                        $rootLocal = rtrim($localDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . basename($remotePath);
+
+                        $collect = null;
+                        $collect = function (string $srcDir, string $dstDir) use (&$collect, $sftp, &$queue, &$files, &$dirs) {
+                            $dirs++;
+
+                            $entries = $sftp->nlist($srcDir);
+                            if ($entries === false) {
+                                return;
+                            }
+
+                            foreach ($entries as $entry) {
+                                if ($entry === '.' || $entry === '..') {
+                                    continue;
+                                }
+
+                                $remoteChild = rtrim($srcDir, '/') . '/' . $entry;
+                                $localChild = rtrim($dstDir, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $entry;
+
+                                $stat = $sftp->stat($remoteChild);
+                                $isDirChild = ($stat['type'] ?? 0) === 2;
+
+                                if ($isDirChild) {
+                                    $collect($remoteChild, $localChild);
+                                } else {
+                                    $queue[] = [
+                                        'remote' => $remoteChild,
+                                        'local' => $localChild,
+                                    ];
+                                    $files++;
+                                }
+                            }
+                        };
+
+                        $collect($remotePath, $rootLocal);
                     }
 
-                    return ['success' => true];
+                    return [
+                        'success' => true,
+                        'queue' => $queue,
+                        'files' => $files,
+                        'dirs' => $dirs,
+                        'localDir' => $localDir,
+                    ];
                 } catch (\Exception $e) {
                     return ['error' => $e->getMessage()];
                 }
             },
-            function ($result) use ($sftpTab, $statusLabel, $localDir) {
+            function ($result) use ($sftpTab, $statusLabel, &$currentPrivateKeyPath, $serverListTab) {
                 if (isset($result['error'])) {
-                    $statusLabel->setText('Fehler beim Herunterladen: ' . $result['error']);
+                    $statusLabel->setText('Fehler beim Vorbereiten des Downloads: ' . $result['error']);
+                    $sftpTab->transferInfoLabel->setText('Download fehlgeschlagen');
                     return;
                 }
 
-                if (isset($result['success'])) {
-                    $statusLabel->setText('Datei erfolgreich heruntergeladen');
-                    $sftpTab->localFileBrowser->loadDirectory($localDir);
+                if (!isset($result['success']) || !$result['success']) {
+                    $statusLabel->setText('Unbekannter Fehler beim Vorbereiten des Downloads');
+                    $sftpTab->transferInfoLabel->setText('Download fehlgeschlagen');
+                    return;
                 }
+
+                $queue = $result['queue'] ?? [];
+                $files = (int) ($result['files'] ?? 0);
+                $dirs = (int) ($result['dirs'] ?? 0);
+
+                $sftpTab->pendingDownloadQueue = $queue;
+                $sftpTab->totalDownloadFiles = count($queue);
+                $sftpTab->completedDownloadFiles = 0;
+
+                if ($sftpTab->totalDownloadFiles <= 0) {
+                    $sftpTab->transferProgressBar->setValue(1.0);
+                    $sftpTab->transferInfoLabel->setText('Keine Dateien zum Herunterladen');
+                    return;
+                }
+
+                $sftpTab->transferProgressBar->setValue(0.0);
+                $sftpTab->transferInfoLabel->setText(
+                    sprintf(
+                        'Download: %d Dateien, %d Ordner',
+                        $files,
+                        $dirs,
+                    ),
+                );
+
+                $localDir = $result['localDir'] ?? '';
+                $sftpTab->startNextDownloadTask($currentPrivateKeyPath, $serverListTab, $statusLabel, $localDir);
             },
-            function ($error) use ($statusLabel) {
+            function ($error) use ($sftpTab, $statusLabel) {
                 $errorMsg = is_string($error) ? $error : 'Unknown error';
-                $statusLabel->setText('Fehler beim Herunterladen: ' . $errorMsg);
+                $statusLabel->setText('Fehler beim Vorbereiten des Downloads: ' . $errorMsg);
+                $sftpTab->transferInfoLabel->setText('Download fehlgeschlagen');
             },
         );
 
-        $downloadAsyncButton->handleMouseClick(0, 0, 0);
+        $scanButton->handleMouseClick(0, 0, 0);
     }
 
     private function createRenameModal(

src/Ui/Widget/FileBrowser.php

@@ -4,8 +4,9 @@ namespace PHPNative\Ui\Widget;
 
 class FileBrowser extends Container
 {
-    private VirtualTable $fileTable;
+    private VirtualListView $fileTable;
     private Label $pathLabel;
+    private Label $summaryLabel;
     private string $currentPath;
     private $onFileSelect = null;
     private $onEditFile = null;
@@ -18,7 +19,7 @@ class FileBrowser extends Container
     public function __construct(string $initialPath = '.', bool $isRemote = false, string $style = '')
     {
         // Root-Container füllt die verfügbare Höhe im Eltern-Layout (flex-1)
-        // und enthält eine VirtualTable für performantes Scrollen.
+        // und enthält eine VirtualListView für performantes Scrollen.
         parent::__construct('w-full flex flex-col flex-1 gap-2 ' . $style);
 
         $this->currentPath = $initialPath;
@@ -28,10 +29,9 @@ class FileBrowser extends Container
         $this->pathLabel = new Label($initialPath, 'px-3 py-2 bg-gray-200 text-black rounded text-sm font-mono');
         $this->addComponent($this->pathLabel);
 
-        // VirtualTable nutzt Paging, um bei vielen Einträgen nur
-        // einen Teil der Zeilen im UI zu halten – das macht Scrollen
-        // deutlich flüssiger bei großen Verzeichnissen.
-        $this->fileTable = new VirtualTable(' flex-1');
+        // VirtualListView rendert nur die sichtbaren Zeilen und
+        // bleibt damit auch bei großen Verzeichnissen flüssig.
+        $this->fileTable = new VirtualListView(' flex-1');
         $this->fileTable->setColumns([
             ['key' => 'type', 'title' => 'Typ', 'width' => 60],
             ['key' => 'name', 'title' => 'Name'],
@@ -42,6 +42,10 @@ class FileBrowser extends Container
 
         $this->addComponent($this->fileTable);
 
+        // Summary label: zeigt Anzahl Ordner/Dateien im aktuellen Verzeichnis
+        $this->summaryLabel = new Label('0 Ordner, 0 Dateien', 'text-xs text-gray-600');
+        $this->addComponent($this->summaryLabel);
+
         // Load initial directory (only if local)
         if (!$isRemote) {
             $this->loadDirectory($initialPath);
@@ -108,6 +112,7 @@ class FileBrowser extends Container
         }
 
         $this->fileTable->setData($files);
+        $this->updateSummaryFromFiles($files);
 
         // Handle row selection
         $fileBrowser = $this;
@@ -216,6 +221,7 @@ class FileBrowser extends Container
         }
 
         $this->fileTable->setData($files);
+        $this->updateSummaryFromFiles($files);
 
         // Handle row selection
         $fileBrowser = $this;
@@ -381,6 +387,9 @@ class FileBrowser extends Container
 
         $this->fileTable->setData($tableData);
 
+        // Update summary from original file list (without '..' Eintrag)
+        $this->updateSummaryFromFiles($files);
+
         // Set up row selection handler AFTER data is set (for remote browsers)
         // This needs to be done every time because setData might reset handlers
         $this->setupRemoteNavigationHandler();
@@ -410,4 +419,27 @@ class FileBrowser extends Container
             }
         });
     }
+
+    /**
+     * Update summary label based on list of files (with isDir flag).
+     */
+    private function updateSummaryFromFiles(array $files): void
+    {
+        $dirCount = 0;
+        $fileCount = 0;
+
+        foreach ($files as $file) {
+            if (!isset($file['isDir'])) {
+                continue;
+            }
+
+            if ($file['isDir']) {
+                $dirCount++;
+            } else {
+                $fileCount++;
+            }
+        }
+
+        $this->summaryLabel->setText(sprintf('%d Ordner, %d Dateien', $dirCount, $fileCount));
+    }
 }

src/Ui/Widget/ProgressBar.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace PHPNative\Ui\Widget;
+
+use PHPNative\Framework\TextRenderer;
+use PHPNative\Ui\Component;
+
+class ProgressBar extends Component
+{
+    private float $value = 0.0; // 0.0 - 1.0
+
+    public function __construct(string $style = '')
+    {
+        // Basis: volle Breite, kleine Höhe
+        $defaultStyle = 'w-full h-[8]';
+        parent::__construct(trim($defaultStyle . ' ' . $style));
+    }
+
+    public function setValue(float $value): void
+    {
+        $clamped = max(0.0, min(1.0, $value));
+        if ($this->value === $clamped) {
+            return;
+        }
+        $this->value = $clamped;
+        $this->markDirty(false);
+    }
+
+    public function getValue(): float
+    {
+        return $this->value;
+    }
+
+    public function layout(null|TextRenderer $textRenderer = null): void
+    {
+        parent::layout($textRenderer);
+
+        // Mindesthöhe sicherstellen
+        if ($this->viewport->height < 4) {
+            $this->viewport->height = 4;
+            $this->contentViewport->height = 4;
+        }
+    }
+
+    public function renderContent(&$renderer, null|TextRenderer $textRenderer = null): void
+    {
+        if (!$this->visible) {
+            return;
+        }
+
+        $x = (int) $this->contentViewport->x;
+        $y = (int) $this->contentViewport->y;
+        $w = (int) $this->contentViewport->width;
+        $h = (int) $this->contentViewport->height;
+
+        if ($w <= 0 || $h <= 0) {
+            return;
+        }
+
+        // Hintergrund (Track)
+        sdl_set_render_draw_color($renderer, 220, 220, 220, 255);
+        sdl_render_fill_rect($renderer, [
+            'x' => $x,
+            'y' => $y,
+            'w' => $w,
+            'h' => $h,
+        ]);
+
+        // Fortschrittsbalken
+        $fillWidth = (int) floor($w * $this->value);
+        if ($fillWidth <= 0) {
+            return;
+        }
+
+        sdl_set_render_draw_color($renderer, 59, 130, 246, 255); // Tailwind blue-500
+        sdl_render_fill_rect($renderer, [
+            'x' => $x,
+            'y' => $y,
+            'w' => $fillWidth,
+            'h' => $h,
+        ]);
+    }
+}
+

src/Ui/Widget/VirtualListView.php

@@ -0,0 +1,351 @@
+<?php
+
+namespace PHPNative\Ui\Widget;
+
+use PHPNative\Framework\TextRenderer;
+use PHPNative\Ui\Viewport;
+
+class VirtualListView extends Container
+{
+    private array $columns = [];
+    private array $rows = [];
+    private float $rowHeight = 0.0;
+    private float $scrollY = 0.0;
+    private int $firstVisibleRow = 0;
+    private int $lastVisibleRow = -1;
+    private ?int $selectedRowIndex = null;
+    private $onRowSelect = null;
+
+    private const SCROLLBAR_WIDTH = 16;
+    private const SCROLLBAR_MIN_SIZE = 20;
+    private const VISIBLE_BUFFER = 5;
+
+    public function __construct(string $style = '')
+    {
+        parent::__construct('w-full ' . $style);
+    }
+
+    public function setColumns(array $columns): void
+    {
+        $this->columns = $columns;
+        $this->markDirty(true);
+    }
+
+    public function setData(array $rows): void
+    {
+        $this->rows = array_values($rows);
+        $this->scrollY = 0.0;
+        $this->firstVisibleRow = 0;
+        $this->lastVisibleRow = -1;
+        $this->selectedRowIndex = null;
+        $this->markDirty(true);
+    }
+
+    public function setOnRowSelect(callable $callback): void
+    {
+        $this->onRowSelect = $callback;
+    }
+
+    public function getSelectedRow(): ?array
+    {
+        if ($this->selectedRowIndex === null) {
+            return null;
+        }
+
+        return $this->rows[$this->selectedRowIndex] ?? null;
+    }
+
+    public function layout(null|TextRenderer $textRenderer = null): void
+    {
+        parent::layout($textRenderer);
+
+        if (empty($this->rows) || $textRenderer === null || !$textRenderer->isInitialized()) {
+            $this->clearChildren();
+            return;
+        }
+
+        if ($this->rowHeight <= 0) {
+            $this->rowHeight = $this->measureRowHeight($textRenderer);
+        }
+
+        $maxScroll = $this->getMaxScroll();
+        $this->scrollY = max(0.0, min($this->scrollY, $maxScroll));
+
+        $this->updateVisibleRows($textRenderer);
+    }
+
+    private function measureRowHeight(TextRenderer $textRenderer): float
+    {
+        if (empty($this->rows)) {
+            return 24.0;
+        }
+
+        $testRow = $this->buildRowContainer($this->rows[0], 0);
+
+        $viewport = new Viewport(
+            x: $this->contentViewport->x,
+            y: $this->contentViewport->y,
+            width: $this->contentViewport->width,
+            height: $this->contentViewport->height,
+            windowWidth: $this->contentViewport->windowWidth,
+            windowHeight: $this->contentViewport->windowHeight,
+            uiScale: $this->contentViewport->uiScale,
+        );
+        $testRow->setViewport($viewport);
+        $testRow->setContentViewport(clone $viewport);
+        $testRow->layout($textRenderer);
+
+        $rowViewport = $testRow->getViewport();
+        $height = max(1.0, (float) $rowViewport->height);
+
+        return $height;
+    }
+
+    private function updateVisibleRows(?TextRenderer $textRenderer): void
+    {
+        $this->clearChildren();
+
+        if ($this->rowHeight <= 0 || empty($this->rows) || $textRenderer === null) {
+            return;
+        }
+
+        $viewportHeight = $this->contentViewport->height;
+        if ($viewportHeight <= 0) {
+            return;
+        }
+
+        $rowCount = count($this->rows);
+        $first = (int) floor($this->scrollY / $this->rowHeight);
+        $visibleCount = (int) ceil($viewportHeight / $this->rowHeight) + self::VISIBLE_BUFFER;
+        $last = min($rowCount - 1, $first + $visibleCount - 1);
+
+        $this->firstVisibleRow = $first;
+        $this->lastVisibleRow = $last;
+
+        for ($i = $first; $i <= $last; $i++) {
+            $rowData = $this->rows[$i];
+            $rowContainer = $this->buildRowContainer($rowData, $i);
+
+            $rowY = $this->contentViewport->y + ($i * $this->rowHeight) - $this->scrollY;
+
+            $rowViewport = new Viewport(
+                x: $this->contentViewport->x,
+                y: (int) $rowY,
+                width: $this->contentViewport->width,
+                height: $this->rowHeight,
+                windowWidth: $this->contentViewport->windowWidth,
+                windowHeight: $this->contentViewport->windowHeight,
+                uiScale: $this->contentViewport->uiScale,
+            );
+
+            $rowContainer->setViewport($rowViewport);
+            $rowContainer->setContentViewport(clone $rowViewport);
+            $rowContainer->layout($textRenderer);
+
+            $this->addComponent($rowContainer);
+        }
+    }
+
+    private function buildRowContainer(array $rowData, int $rowIndex): Container
+    {
+        $isSelected = $this->selectedRowIndex !== null && $rowIndex === $this->selectedRowIndex;
+        $rowStyle = 'flex flex-row border-b border-gray-200 hover:bg-gray-400';
+        if ($isSelected) {
+            $rowStyle .= ' bg-blue-100';
+        }
+
+        $rowContainer = new VirtualListRow($this, $rowIndex, $rowStyle);
+
+        foreach ($this->columns as $column) {
+            $key = $column['key'];
+            $value = $rowData[$key] ?? '';
+            $width = $column['width'] ?? null;
+
+            $cellStyle = 'px-4 py-2 text-black border-r border-gray-300';
+            if ($width) {
+                $cellStyle .= ' w-' . ((int) ($width / 4));
+            } else {
+                $cellStyle .= ' flex-1';
+            }
+
+            if (isset($column['render']) && is_callable($column['render'])) {
+                $cellContent = $column['render']($rowData, $rowIndex);
+                $cellContainer = new Container($cellStyle);
+                $cellContainer->addComponent($cellContent);
+                $rowContainer->addComponent($cellContainer);
+            } else {
+                $cellLabel = new Label((string) $value, $cellStyle);
+                $rowContainer->addComponent($cellLabel);
+            }
+        }
+
+        return $rowContainer;
+    }
+
+    private function getMaxScroll(): float
+    {
+        if ($this->rowHeight <= 0) {
+            return 0.0;
+        }
+
+        $totalHeight = count($this->rows) * $this->rowHeight;
+        $viewportHeight = $this->contentViewport->height;
+
+        return max(0.0, $totalHeight - $viewportHeight);
+    }
+
+    public function handleMouseWheel(float $mouseX, float $mouseY, float $deltaY): bool
+    {
+        if (!$this->visible) {
+            return false;
+        }
+
+        if (
+            $mouseX < $this->contentViewport->x ||
+            $mouseX > ($this->contentViewport->x + $this->contentViewport->width) ||
+            $mouseY < $this->contentViewport->y ||
+            $mouseY > ($this->contentViewport->y + $this->contentViewport->height)
+        ) {
+            return parent::handleMouseWheel($mouseX, $mouseY, $deltaY);
+        }
+
+        $maxScroll = $this->getMaxScroll();
+        if ($maxScroll <= 0.0) {
+            return false;
+        }
+
+        $scrollStep = max($this->rowHeight * 3, 20.0);
+        $oldScroll = $this->scrollY;
+
+        $this->scrollY = max(0.0, min($maxScroll, $this->scrollY + ($deltaY * $scrollStep)));
+
+        if ($this->scrollY === $oldScroll) {
+            return false;
+        }
+
+        $this->markDirty(true, false);
+
+        return true;
+    }
+
+    public function renderContent(&$renderer, null|TextRenderer $textRenderer = null): void
+    {
+        if (!$this->visible || $textRenderer === null || !$textRenderer->isInitialized()) {
+            return;
+        }
+
+        $clipRect = [
+            'x' => (int) $this->contentViewport->x,
+            'y' => (int) $this->contentViewport->y,
+            'w' => (int) $this->contentViewport->width,
+            'h' => (int) $this->contentViewport->height,
+        ];
+
+        sdl_set_render_clip_rect($renderer, $clipRect);
+
+        foreach ($this->children as $child) {
+            $child->render($renderer, $textRenderer);
+            $child->renderContent($renderer, $textRenderer);
+        }
+
+        sdl_set_render_clip_rect($renderer, null);
+
+        $this->renderScrollbar($renderer);
+    }
+
+    private function renderScrollbar(&$renderer): void
+    {
+        if ($this->rowHeight <= 0 || empty($this->rows)) {
+            return;
+        }
+
+        $totalHeight = count($this->rows) * $this->rowHeight;
+        $viewportHeight = $this->contentViewport->height;
+
+        if ($totalHeight <= $viewportHeight) {
+            return;
+        }
+
+        $scrollbarHeight = $viewportHeight;
+        $thumbHeight = max(
+            self::SCROLLBAR_MIN_SIZE,
+            ($viewportHeight / $totalHeight) * $scrollbarHeight,
+        );
+
+        $maxScroll = $this->getMaxScroll();
+        if ($maxScroll <= 0.0) {
+            return;
+        }
+
+        $thumbRange = $scrollbarHeight - $thumbHeight;
+        $scrollRatio = $this->scrollY / $maxScroll;
+        $thumbY = $this->contentViewport->y + ($scrollRatio * $thumbRange);
+
+        $scrollbarX = ($this->contentViewport->x + $this->contentViewport->width) - self::SCROLLBAR_WIDTH;
+
+        sdl_set_render_draw_color($renderer, 220, 220, 220, 255);
+        sdl_render_fill_rect($renderer, [
+            'x' => (int) $scrollbarX,
+            'y' => (int) $this->contentViewport->y,
+            'w' => (int) self::SCROLLBAR_WIDTH,
+            'h' => (int) $scrollbarHeight,
+        ]);
+
+        sdl_set_render_draw_color($renderer, 120, 120, 120, 230);
+        sdl_render_fill_rect($renderer, [
+            'x' => (int) ($scrollbarX + 2),
+            'y' => (int) $thumbY,
+            'w' => (int) (self::SCROLLBAR_WIDTH - 4),
+            'h' => (int) $thumbHeight,
+        ]);
+    }
+
+    public function selectRow(int $rowIndex): void
+    {
+        if ($rowIndex < 0 || $rowIndex >= count($this->rows)) {
+            return;
+        }
+
+        $this->selectedRowIndex = $rowIndex;
+
+        if ($this->onRowSelect !== null) {
+            ($this->onRowSelect)($rowIndex, $this->rows[$rowIndex]);
+        }
+
+        $this->markDirty(true);
+    }
+}
+
+class VirtualListRow extends Container
+{
+    private int $rowIndex;
+    private VirtualListView $table;
+
+    public function __construct(VirtualListView $table, int $rowIndex, string $style = '')
+    {
+        $this->rowIndex = $rowIndex;
+        $this->table = $table;
+        parent::__construct($style);
+    }
+
+    public function handleMouseClick(float $mouseX, float $mouseY, int $button): bool
+    {
+        $handled = parent::handleMouseClick($mouseX, $mouseY, $button);
+        if ($handled) {
+            return true;
+        }
+
+        if (
+            $mouseX >= $this->viewport->x &&
+            $mouseX <= ($this->viewport->x + $this->viewport->width) &&
+            $mouseY >= $this->viewport->y &&
+            $mouseY <= ($this->viewport->y + $this->viewport->height)
+        ) {
+            $this->table->selectRow($this->rowIndex);
+            return true;
+        }
+
+        return false;
+    }
+}
+