v1.1
This commit is contained in:
40
README.md
40
README.md
@@ -1,4 +1,36 @@
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Noch zu machen:
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- Max. Anzahl upload von 15 Bildern per upload
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- Benutzer darf seine eigenen Bilder "löschen" werden aber nur in einen anderen Ordner verschoben
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- Bild Kompression bei der vorschau, um dir ladegeschwindigkeit zu verschnellern und das netzwerk nicht zu überlasten.
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# Fotobox Projekt-Updates
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Dieses Dokument beschreibt die vorgenommenen technischen Änderungen an der `index.php`.
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## v1.1 - Fix für gedrehte Bilder (Aktuell)
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### Problembeschreibung
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Bilder, die mit dem Smartphone im Hochformat (oder quer) aufgenommen wurden, erschienen in der Galerie-Vorschau (Thumbnails) oft um 90° nach links gedreht.
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### Technische Lösung
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Das Problem lag in der Thumbnail-Generierung mittels PHP GD. Smartphones speichern die korrekte Ausrichtung oft nur in den EXIF-Metadaten, die PHP standardmäßig beim Skalieren ignoriert hat.
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* **Änderung**: Die Funktion `createThumbnail()` wurde erweitert.
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* Sie nutzt nun `exif_read_data()` (falls auf dem Server verfügbar), um den `Orientation`-Tag aus JPEGs auszulesen.
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* Basierend auf diesem Tag wird das Bild mittels `imagerotate()` korrekt gedreht, *bevor* das Thumbnail resampled und gespeichert wird.
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*Hinweis:* Diese Änderung betrifft nur Bilder, die *nach* diesem Update hochgeladen werden. Um alte, falsch gedrehte Thumbnails zu korrigieren, muss der Inhalt des Ordners `/thumbnails/` auf dem Server gelöscht werden, damit sie neu generiert werden.
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---
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## v1.0 - Basis-Funktionen & Performance
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Initiales Update mit Kernfunktionalitäten.
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### 1. Upload-Limitierung
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* Maximal **15 Bilder** pro Upload-Vorgang möglich.
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* Validierung erfolgt sowohl im Frontend (JS) als auch Backend (PHP).
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### 2. Bild-Kompression (Thumbnails)
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* Automatische Erstellung von optimierten Vorschaubildern im Ordner `/thumbnails/`.
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* Galerie lädt Thumbnails für schnellere Ladezeiten; Originale werden im Ordner `/uploads/` gespeichert und erst in der Vollansicht geladen.
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### 3. Benutzerbasierte Löschfunktion
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* Über `LocalStorage` merkt sich der Browser, welche Bilder der Nutzer hochgeladen hat.
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* Lösch-Button erscheint in der Lightbox nur für eigene Bilder.
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* Bilder werden nicht gelöscht, sondern in `/deleted_uploads/` verschoben.
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@@ -1,6 +0,0 @@
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<?php
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// Einfaches Deployment Skript
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echo "Starte Pull... \n";
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$output = shell_exec('git pull origin main 2>&1');
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echo $output;
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?>
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327
index.php
327
index.php
@@ -1,6 +1,13 @@
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<?php
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$brautpaar_namen = "Damian & Melissa";
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$upload_verzeichnis = __DIR__ . '/uploads/';
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$thumbnail_verzeichnis = __DIR__ . '/thumbnails/';
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$deleted_verzeichnis = __DIR__ . '/deleted_uploads/';
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// Sicherstellen, dass alle Verzeichnisse existieren
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if (!is_dir($upload_verzeichnis)) mkdir($upload_verzeichnis, 0777, true);
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if (!is_dir($thumbnail_verzeichnis)) mkdir($thumbnail_verzeichnis, 0777, true);
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if (!is_dir($deleted_verzeichnis)) mkdir($deleted_verzeichnis, 0777, true);
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function get_image_count($dir) {
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if (!is_dir($dir)) return 0;
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@@ -10,9 +17,146 @@ function get_image_count($dir) {
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}));
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}
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// Funktion zum Erstellen eines komprimierten Vorschaubildes inkl. EXIF-Rotationskorrektur
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function createThumbnail($sourcePath, $destPath, $maxWidth = 400, $maxHeight = 400) {
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if (!function_exists('imagecreatefromjpeg')) return false; // Fallback, falls GD-Lib fehlt
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$info = getimagesize($sourcePath);
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if (!$info) return false;
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$mime = $info['mime'];
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$sourceImage = null;
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// Bild laden basierend auf MIME-Typ
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switch ($mime) {
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case 'image/jpeg': $sourceImage = imagecreatefromjpeg($sourcePath); break;
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case 'image/png': $sourceImage = imagecreatefrompng($sourcePath); break;
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case 'image/gif': $sourceImage = imagecreatefromgif($sourcePath); break;
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case 'image/webp': $sourceImage = imagecreatefromwebp($sourcePath); break;
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default: return false;
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}
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if (!$sourceImage) return false;
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// --- NEU: EXIF Orientierung korrigieren (nur für JPEG) ---
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if ($mime == 'image/jpeg' && function_exists('exif_read_data')) {
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@$exif = exif_read_data($sourcePath); // @ unterdrückt Warnungen, falls keine EXIF-Daten vorhanden
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if (!empty($exif['Orientation'])) {
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switch ($exif['Orientation']) {
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case 3: // 180 Grad drehen
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$sourceImage = imagerotate($sourceImage, 180, 0);
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break;
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case 6: // 90 Grad nach rechts drehen (war vermutlich dein Problem)
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$sourceImage = imagerotate($sourceImage, -90, 0);
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break;
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case 8: // 90 Grad nach links drehen
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$sourceImage = imagerotate($sourceImage, 90, 0);
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break;
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}
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}
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}
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// --------------------------------------------------------
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// Dimensionen NACH möglicher Drehung holen
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$srcWidth = imagesx($sourceImage);
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$srcHeight = imagesy($sourceImage);
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// Proportionale Skalierung berechnen
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$ratio = min($maxWidth / $srcWidth, $maxHeight / $srcHeight);
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if ($ratio >= 1) {
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$newWidth = $srcWidth;
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$newHeight = $srcHeight;
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} else {
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$newWidth = (int)($srcWidth * $ratio);
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$newHeight = (int)($srcHeight * $ratio);
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}
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$destImage = imagecreatetruecolor($newWidth, $newHeight);
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// Transparenz für PNG und WEBP beibehalten
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if ($mime == 'image/png' || $mime == 'image/webp') {
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imagealphablending($destImage, false);
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imagesavealpha($destImage, true);
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$transparent = imagecolorallocatealpha($destImage, 255, 255, 255, 127);
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imagefilledrectangle($destImage, 0, 0, $newWidth, $newHeight, $transparent);
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}
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imagecopyresampled($destImage, $sourceImage, 0, 0, 0, 0, $newWidth, $newHeight, $srcWidth, $srcHeight);
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// Thumbnail speichern
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switch ($mime) {
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case 'image/jpeg': imagejpeg($destImage, $destPath, 80); break;
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case 'image/png': imagepng($destImage, $destPath, 8); break;
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case 'image/gif': imagegif($destImage, $destPath); break;
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case 'image/webp': imagewebp($destImage, $destPath, 80); break;
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}
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imagedestroy($sourceImage);
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imagedestroy($destImage);
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return true;
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}
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// -- LÖSCHEN LOGIK --
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'delete') {
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$fileToDelete = basename($_POST['filename']);
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if (is_file($upload_verzeichnis . $fileToDelete)) {
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// Verschiebe Originalbild
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rename($upload_verzeichnis . $fileToDelete, $deleted_verzeichnis . $fileToDelete);
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// Verschiebe Thumbnail, falls vorhanden
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if (is_file($thumbnail_verzeichnis . $fileToDelete)) {
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rename($thumbnail_verzeichnis . $fileToDelete, $deleted_verzeichnis . 'thumb_' . $fileToDelete);
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}
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echo json_encode(['success' => true]);
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} else {
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echo json_encode(['success' => false, 'error' => 'Datei nicht gefunden.']);
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}
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exit;
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}
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// -- UPLOAD LOGIK --
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['photos'])) {
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// Limit auf 15 Bilder pro Upload serverseitig prüfen
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if (count($_FILES['photos']['tmp_name']) > 15) {
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echo json_encode(['success' => false, 'error' => 'Maximal 15 Bilder auf einmal erlaubt.']);
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exit;
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}
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$cleanName = 'Foto';
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$uploadedCount = 0;
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$uploadedFiles = []; // Speichert die Namen für das LocalStorage des Nutzers
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foreach ($_FILES['photos']['tmp_name'] as $key => $tmpName) {
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if ($tmpName != "") {
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$extension = strtolower(pathinfo($_FILES['photos']['name'][$key], PATHINFO_EXTENSION));
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$newName = $cleanName . '_' . time() . '_' . substr(md5(uniqid()), 0, 6) . '.' . $extension;
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$destination = $upload_verzeichnis . $newName;
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$thumbDestination = $thumbnail_verzeichnis . $newName;
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if (move_uploaded_file($tmpName, $destination)) {
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$uploadedCount++;
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$uploadedFiles[] = $newName;
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// Erstelle Thumbnail (jetzt mit Rotationskorrektur)
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createThumbnail($destination, $thumbDestination);
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}
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}
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}
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echo json_encode([
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'success' => true,
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'count' => $uploadedCount,
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'newTotal' => get_image_count($upload_verzeichnis),
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'uploadedFiles' => $uploadedFiles
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]);
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exit;
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}
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$current_count = get_image_count($upload_verzeichnis);
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// Bilder für die Galerie laden (nur die neuesten 30, um Abstürze am Handy zu vermeiden)
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// Bilder für die Galerie laden (nur die neuesten 30)
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$gallery_images = [];
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if (is_dir($upload_verzeichnis)) {
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$files = scandir($upload_verzeichnis);
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@@ -25,35 +169,8 @@ if (is_dir($upload_verzeichnis)) {
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// ZUVERLÄSSIGE SORTIERUNG: Alphabetisch absteigend, da Dateiname = Zeitstempel
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rsort($valid_files);
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$gallery_images = array_slice($valid_files, 0, 30);
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}
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if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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$cleanName = 'Foto';
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if (!is_dir($upload_verzeichnis)) {
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mkdir($upload_verzeichnis, 0777, true);
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}
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$uploadedCount = 0;
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foreach ($_FILES['photos']['tmp_name'] as $key => $tmpName) {
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if ($tmpName != "") {
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$extension = strtolower(pathinfo($_FILES['photos']['name'][$key], PATHINFO_EXTENSION));
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$newName = $cleanName . '_' . time() . '_' . substr(md5(uniqid()), 0, 6) . '.' . $extension;
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if (move_uploaded_file($tmpName, $upload_verzeichnis . $newName)) {
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$uploadedCount++;
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}
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}
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}
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echo json_encode([
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'success' => true,
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'count' => $uploadedCount,
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'newTotal' => get_image_count($upload_verzeichnis)
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]);
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exit;
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}
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?>
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<!DOCTYPE html>
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@@ -65,7 +182,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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<link href="https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Montserrat:wght@300;400;600&display=swap" rel="stylesheet">
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<style>
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:root {
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/* Farbpalette */
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--dark-green: #484D46;
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--olive-green: #5F6251;
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--brown: #856856;
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@@ -73,6 +189,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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--beige: #BEB7AD;
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--bg-page: #FAF9F7;
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--white: #ffffff;
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--red: #d9534f;
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}
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* { box-sizing: border-box; }
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@@ -84,7 +201,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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margin: 0;
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display: flex;
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justify-content: center;
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align-items: flex-start; /* Wichtig für die Galerie */
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align-items: flex-start;
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min-height: 100vh;
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padding: 20px;
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transition: align-items 0.3s ease;
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@@ -145,7 +262,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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opacity: 0.85;
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}
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/* Tabs Navigation */
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.tabs {
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display: flex;
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justify-content: center;
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@@ -174,7 +290,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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border-color: var(--olive-green);
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}
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/* Upload Bereich */
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.form-group { margin-bottom: 25px; text-align: left; }
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.upload-area {
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@@ -198,7 +313,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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opacity: 0.7;
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}
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/* Progress Bar */
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#progress-wrapper { display: none; margin-top: 20px; text-align: left; }
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.progress-bar-container {
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width: 100%; height: 6px; background: var(--beige);
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@@ -206,7 +320,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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}
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#progress-bar { height: 100%; background: var(--olive-green); width: 0%; transition: width 0.2s; }
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/* Galerie Bereich */
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#gallery-section { display: none; }
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.gallery-grid {
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display: grid;
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@@ -233,7 +346,6 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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padding: 20px;
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}
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/* Lightbox (Vollbild) */
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.lightbox {
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display: none;
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position: fixed;
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@@ -245,15 +357,17 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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padding: 20px;
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opacity: 0;
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transition: opacity 0.3s ease;
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flex-direction: column;
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}
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.lightbox.show { display: flex; opacity: 1; }
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.lightbox img {
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max-width: 100%;
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max-height: 90vh;
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max-height: 80vh;
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border-radius: 8px;
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box-shadow: 0 10px 30px rgba(0,0,0,0.5);
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margin-bottom: 20px;
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}
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.close-lightbox {
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@@ -266,7 +380,22 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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line-height: 1;
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}
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/* Success Screen */
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.delete-btn {
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background: var(--red);
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color: white;
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border: none;
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padding: 12px 24px;
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border-radius: 6px;
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font-family: 'Montserrat', sans-serif;
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font-weight: 600;
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text-transform: uppercase;
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cursor: pointer;
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display: none; /* Wird via JS angezeigt */
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transition: background 0.3s;
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}
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.delete-btn:hover { background: #c9302c; }
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.success-screen { display: none; animation: fadeIn 0.5s ease; }
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@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
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.heart { font-size: 2.5rem; margin: 20px 0; color: var(--brown); }
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@@ -304,7 +433,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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<div class="form-group">
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<div class="upload-area" id="drop-area" onclick="document.getElementById('photos').click()">
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<span style="display:block; margin-bottom: 10px; font-size: 2rem;">📸</span>
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<span>Klicken zum Auswählen<br>oder Kamera öffnen</span>
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<span>Klicken zum Auswählen<br>oder Kamera öffnen<br><small>(Max. 15 Bilder)</small></span>
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<input type="file" id="photos" name="photos[]" accept="image/*" multiple style="display:none">
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</div>
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</div>
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@@ -322,7 +451,18 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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<div class="gallery-grid">
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<?php if (count($gallery_images) > 0): ?>
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<?php foreach ($gallery_images as $img): ?>
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<img src="uploads/<?php echo urlencode($img); ?>" class="gallery-item" loading="lazy" onclick="openLightbox(this.src)" alt="Hochzeitsfoto">
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<?php
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// Prüfen, ob Thumbnail existiert, sonst Original nehmen
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$thumbSrc = is_file($thumbnail_verzeichnis . $img) ? "thumbnails/" . urlencode($img) : "uploads/" . urlencode($img);
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$fullSrc = "uploads/" . urlencode($img);
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?>
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<img src="<?php echo $thumbSrc; ?>"
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data-full="<?php echo $fullSrc; ?>"
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data-filename="<?php echo htmlspecialchars($img); ?>"
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class="gallery-item"
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loading="lazy"
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onclick="openLightbox(this.dataset.full, this.dataset.filename)"
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alt="Hochzeitsfoto">
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<?php endforeach; ?>
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<?php else: ?>
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<div class="empty-gallery">Noch keine Bilder hochgeladen. Sei der oder die Erste!</div>
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@@ -342,6 +482,7 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
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<div id="lightbox" class="lightbox" onclick="closeLightbox(event)">
|
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<span class="close-lightbox" onclick="closeLightbox(event)">×</span>
|
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<img id="lightbox-img" src="" alt="Vollbild">
|
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<button id="lightbox-delete-btn" class="delete-btn">Bild löschen</button>
|
||||
</div>
|
||||
|
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<script>
|
||||
@@ -357,6 +498,13 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
|
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const files = fileInput.files;
|
||||
if(files.length === 0) return;
|
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|
||||
// Validierung: Max 15 Bilder
|
||||
if (files.length > 15) {
|
||||
alert("Bitte wähle maximal 15 Bilder auf einmal aus.");
|
||||
fileInput.value = ''; // Input zurücksetzen
|
||||
return;
|
||||
}
|
||||
|
||||
dropArea.classList.add('uploading');
|
||||
dropArea.innerHTML = `<span style="display:block; margin-bottom: 10px; font-size: 2rem;">⏳</span><span>Wird verarbeitet...</span>`;
|
||||
progressWrapper.style.display = 'block';
|
||||
@@ -379,27 +527,43 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
|
||||
|
||||
xhr.onload = () => {
|
||||
if (xhr.status === 200) {
|
||||
const resp = JSON.parse(xhr.responseText);
|
||||
if(resp.success) {
|
||||
counterDisplay.innerText = resp.newTotal;
|
||||
document.getElementById('main-ui').style.display = 'none';
|
||||
document.getElementById('success-ui').style.display = 'block';
|
||||
|
||||
// FIX: Zentriert den Success-Screen wieder perfekt in der Mitte!
|
||||
document.body.style.alignItems = 'center';
|
||||
document.querySelector('.container').style.marginTop = '0';
|
||||
try {
|
||||
const resp = JSON.parse(xhr.responseText);
|
||||
if(resp.success) {
|
||||
// Speicher hochgeladene Dateien im LocalStorage
|
||||
let myUploads = JSON.parse(localStorage.getItem('myUploads') || '[]');
|
||||
myUploads = myUploads.concat(resp.uploadedFiles);
|
||||
localStorage.setItem('myUploads', JSON.stringify(myUploads));
|
||||
|
||||
counterDisplay.innerText = resp.newTotal;
|
||||
document.getElementById('main-ui').style.display = 'none';
|
||||
document.getElementById('success-ui').style.display = 'block';
|
||||
|
||||
document.body.style.alignItems = 'center';
|
||||
document.querySelector('.container').style.marginTop = '0';
|
||||
} else {
|
||||
alert(resp.error || "Fehler beim Upload.");
|
||||
resetUploadArea();
|
||||
}
|
||||
} catch(e) {
|
||||
alert("Fehler beim Verarbeiten der Serverantwort.");
|
||||
resetUploadArea();
|
||||
}
|
||||
} else {
|
||||
alert("Fehler beim Upload. Bitte prüfe die Dateigröße.");
|
||||
dropArea.classList.remove('uploading');
|
||||
dropArea.innerHTML = `<span style="display:block; margin-bottom: 10px; font-size: 2rem;">📸</span><span>Klicken zum Auswählen<br>oder Kamera öffnen</span>`;
|
||||
progressWrapper.style.display = 'none';
|
||||
fileInput.value = '';
|
||||
alert("Ein Serverfehler ist aufgetreten.");
|
||||
resetUploadArea();
|
||||
}
|
||||
};
|
||||
xhr.send(formData);
|
||||
};
|
||||
|
||||
function resetUploadArea() {
|
||||
dropArea.classList.remove('uploading');
|
||||
dropArea.innerHTML = `<span style="display:block; margin-bottom: 10px; font-size: 2rem;">📸</span><span>Klicken zum Auswählen<br>oder Kamera öffnen<br><small>(Max. 15 Bilder)</small></span>`;
|
||||
progressWrapper.style.display = 'none';
|
||||
fileInput.value = '';
|
||||
}
|
||||
|
||||
// --- Tabs Navigation ---
|
||||
function switchTab(tab) {
|
||||
document.getElementById('upload-section').style.display = tab === 'upload' ? 'block' : 'none';
|
||||
@@ -409,24 +573,67 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_FILES['photos'])) {
|
||||
document.getElementById('btn-gallery').classList.toggle('active', tab === 'gallery');
|
||||
}
|
||||
|
||||
// --- Lightbox Logik ---
|
||||
// --- Lightbox & Löschen Logik ---
|
||||
const lightbox = document.getElementById('lightbox');
|
||||
const lightboxImg = document.getElementById('lightbox-img');
|
||||
const deleteBtn = document.getElementById('lightbox-delete-btn');
|
||||
|
||||
function openLightbox(imageSrc) {
|
||||
lightboxImg.src = imageSrc;
|
||||
function openLightbox(imageFullSrc, filename) {
|
||||
lightboxImg.src = imageFullSrc;
|
||||
lightbox.classList.add('show');
|
||||
document.body.style.overflow = 'hidden'; // Verhindert scrollen im Hintergrund
|
||||
document.body.style.overflow = 'hidden';
|
||||
|
||||
// Prüfen, ob Bild dem Nutzer gehört
|
||||
const myUploads = JSON.parse(localStorage.getItem('myUploads') || '[]');
|
||||
if (myUploads.includes(filename)) {
|
||||
deleteBtn.style.display = 'inline-block';
|
||||
deleteBtn.onclick = (e) => {
|
||||
e.stopPropagation();
|
||||
deleteImage(filename);
|
||||
};
|
||||
} else {
|
||||
deleteBtn.style.display = 'none';
|
||||
}
|
||||
}
|
||||
|
||||
function closeLightbox(e) {
|
||||
// Schließt nur, wenn man aufs X oder den dunklen Hintergrund klickt (nicht aufs Bild selbst)
|
||||
if (e.target === lightbox || e.target.className === 'close-lightbox') {
|
||||
lightbox.classList.remove('show');
|
||||
document.body.style.overflow = 'auto'; // Scrollen wieder erlauben
|
||||
setTimeout(() => { lightboxImg.src = ''; }, 300); // Bild leeren nach Animation
|
||||
document.body.style.overflow = 'auto';
|
||||
setTimeout(() => { lightboxImg.src = ''; }, 300);
|
||||
}
|
||||
}
|
||||
|
||||
function deleteImage(filename) {
|
||||
if (!confirm("Möchtest du dein Bild wirklich entfernen?")) return;
|
||||
|
||||
const formData = new FormData();
|
||||
formData.append('action', 'delete');
|
||||
formData.append('filename', filename);
|
||||
|
||||
fetch('', {
|
||||
method: 'POST',
|
||||
body: formData
|
||||
})
|
||||
.then(response => response.json())
|
||||
.then(data => {
|
||||
if (data.success) {
|
||||
// Aus dem LocalStorage entfernen
|
||||
let myUploads = JSON.parse(localStorage.getItem('myUploads') || '[]');
|
||||
myUploads = myUploads.filter(f => f !== filename);
|
||||
localStorage.setItem('myUploads', JSON.stringify(myUploads));
|
||||
|
||||
// Seite neuladen um die Galerie zu aktualisieren
|
||||
location.reload();
|
||||
} else {
|
||||
alert(data.error || "Fehler beim Löschen.");
|
||||
}
|
||||
})
|
||||
.catch(error => {
|
||||
console.error('Error:', error);
|
||||
alert("Netzwerkfehler beim Löschen.");
|
||||
});
|
||||
}
|
||||
</script>
|
||||
|
||||
</body>
|
||||
|
||||
Reference in New Issue
Block a user