wip

app/routes/files.py

@@ -19,46 +19,43 @@ bp = Blueprint('files', __name__, url_prefix='/files')
 @bp.route('/browser/<int:folder_id>')
 @login_required
 def browser(folder_id=None):
-    """Display file browser interface"""
+    """File browser page"""
+    # Get the current folder
     current_folder = None
-    breadcrumbs = []
-    
     if folder_id:
-        current_folder = Folder.query.filter_by(id=folder_id, user_id=current_user.id).first_or_404()
-        
-        # Generate breadcrumbs
-        breadcrumbs = []
+        current_folder = Folder.query.get_or_404(folder_id)
+        # Check if user has permission
+        if current_folder.user_id != current_user.id:
+            flash('You do not have permission to access this folder', 'error')
+            return redirect(url_for('files.browser'))
+    
+    # Get breadcrumb navigation
+    breadcrumbs = []
+    if current_folder:
+        # Get parent folders for breadcrumb
         parent = current_folder
         while parent:
-            breadcrumbs.append(parent)
-            parent = parent.parent
-        breadcrumbs.reverse()
+            breadcrumbs.insert(0, parent)
+            if parent.parent_id:
+                parent = Folder.query.get(parent.parent_id)
+            else:
+                break
     
-    # For initial load - only get folders and files if it's not an AJAX request
-    if not request.headers.get('X-Requested-With') == 'XMLHttpRequest':
-        if current_folder:
-            folders = Folder.query.filter_by(parent_id=current_folder.id, user_id=current_user.id).all()
-            files = File.query.filter_by(folder_id=current_folder.id, user_id=current_user.id).all()
-        else:
-            folders = Folder.query.filter_by(parent_id=None, user_id=current_user.id).all()
-            files = File.query.filter_by(folder_id=None, user_id=current_user.id).all()
-        
-        # Get the search query if provided
-        query = request.args.get('q', '')
-        if query:
-            # Filter folders and files by name containing the query
-            folders = [f for f in folders if query.lower() in f.name.lower()]
-            files = [f for f in files if query.lower() in f.name.lower()]
-        
-        return render_template('files/browser.html',
-                              current_folder=current_folder,
-                              breadcrumbs=breadcrumbs,
-                              folders=folders, 
-                              files=files)
+    # Get subfolders and files
+    if current_folder:
+        subfolders = Folder.query.filter_by(parent_id=current_folder.id, user_id=current_user.id).all()
+        files = File.query.filter_by(folder_id=current_folder.id, user_id=current_user.id).all()
     else:
-        # For AJAX request, return just the folder contents
-        # Implement this if needed
-        pass
+        # Root level - show folders and files without parent folder
+        subfolders = Folder.query.filter_by(parent_id=None, user_id=current_user.id).all()
+        files = File.query.filter_by(folder_id=None, user_id=current_user.id).all()
+    
+    # Always return a valid response
+    return render_template('files/browser.html', 
+                          current_folder=current_folder,
+                          breadcrumbs=breadcrumbs,
+                          subfolders=subfolders,
+                          files=files)
 
 @bp.route('/contents')
 @login_required
@@ -150,106 +147,14 @@ def folder_contents():
         else:
             return redirect(url_for('files.browser'))
 
-@bp.route('/upload', methods=['GET', 'POST'])
-@bp.route('/upload/<int:folder_id>', methods=['GET', 'POST'])
+@bp.route('/upload')
+@bp.route('/upload/<int:folder_id>')
 @login_required
 def upload(folder_id=None):
-    """Page for uploading files"""
-    if request.method == 'POST':
-        # Handle file upload
-        if 'file' not in request.files:
-            if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
-                return jsonify({'error': 'No file part'}), 400
-            flash('No file part', 'error')
-            return redirect(request.url)
-        
-        file = request.files['file']
-        
-        # Validate filename
-        if file.filename == '':
-            if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
-                return jsonify({'error': 'No selected file'}), 400
-            flash('No selected file', 'error')
-            return redirect(request.url)
-        
-        # Get the parent folder
-        parent_folder = None
-        if folder_id:
-            parent_folder = Folder.query.get_or_404(folder_id)
-            # Check if user has permission
-            if parent_folder.user_id != current_user.id:
-                if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
-                    return jsonify({'error': 'You do not have permission to upload to this folder'}), 403
-                flash('You do not have permission to upload to this folder', 'error')
-                return redirect(url_for('files.browser'))
-        
-        # Process the file
-        if file and allowed_file(file.filename):
-            filename = secure_filename(file.filename)
-            
-            # Generate a unique filename
-            file_uuid = str(uuid.uuid4())
-            _, file_extension = os.path.splitext(filename)
-            storage_name = f"{file_uuid}{file_extension}"
-            
-            # Create storage path
-            upload_folder = current_app.config['UPLOAD_FOLDER']
-            user_folder = os.path.join(upload_folder, str(current_user.id))
-            os.makedirs(user_folder, exist_ok=True)
-            storage_path = os.path.join(user_folder, storage_name)
-            
-            try:
-                # Save file to storage location
-                file.save(storage_path)
-                
-                # Get file info
-                file_size = os.path.getsize(storage_path)
-                mime_type, _ = mimetypes.guess_type(filename)
-                if not mime_type:
-                    mime_type = 'application/octet-stream'
-                
-                # Create file record
-                db_file = File(
-                    name=filename,
-                    original_name=filename,
-                    path=storage_path,
-                    size=file_size,
-                    type=mime_type,
-                    user_id=current_user.id,
-                    folder_id=parent_folder.id if parent_folder else None
-                )
-                db.session.add(db_file)
-                db.session.commit()
-                
-                # Return success response with file info
-                return jsonify({
-                    'success': True,
-                    'file': {
-                        'id': db_file.id,
-                        'name': db_file.name,
-                        'size': db_file.size,
-                        'formatted_size': format_file_size(db_file.size),
-                        'type': db_file.type,
-                        'icon': db_file.icon_class
-                    }
-                })
-            
-            except Exception as e:
-                # Make sure to remove the file if there was an error
-                if os.path.exists(storage_path):
-                    os.remove(storage_path)
-                
-                current_app.logger.error(f"Upload error: {str(e)}")
-                return jsonify({'error': str(e)}), 500
-        
-        else:
-            if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
-                return jsonify({'error': 'File type not allowed'}), 400
-            flash('File type not allowed', 'error')
-            return redirect(request.url)
-    
-    # GET request - show upload form
-    return render_template('files/upload.html', folder_id=folder_id)
+    """Redirect to browser with upload modal visible"""
+    if folder_id:
+        return redirect(url_for('files.browser', folder_id=folder_id, show_upload=True))
+    return redirect(url_for('files.browser', show_upload=True))
 
 @bp.route('/upload_folder', methods=['POST'])
 @login_required
@@ -414,33 +319,91 @@ def download(file_id):
 @login_required
 def create_folder():
     """Create a new folder"""
-    name = request.form.get('name')
-    parent_id = request.form.get('parent_id')
-    
-    if not name:
-        flash('Folder name is required', 'danger')
-        return redirect(url_for('files.browser'))
-    
-    # Create folder
-    folder = Folder(
-        name=name,
-        user_id=current_user.id,
-        parent_id=parent_id if parent_id else None
-    )
+    # Check if request is AJAX
+    is_ajax = request.headers.get('X-Requested-With') == 'XMLHttpRequest'
     
     try:
+        # Get data from form or JSON depending on request type
+        if is_ajax and request.is_json:
+            data = request.get_json()
+            folder_name = data.get('folder_name')
+            parent_id = data.get('parent_id')
+        else:
+            folder_name = request.form.get('folder_name')
+            parent_id = request.form.get('parent_id')
+        
+        if not folder_name:
+            if is_ajax:
+                return jsonify({'success': False, 'error': 'Folder name is required'}), 400
+            flash('Folder name is required', 'error')
+            return redirect(url_for('files.browser', folder_id=parent_id if parent_id else None))
+        
+        # Validate folder name
+        if not is_valid_filename(folder_name):
+            if is_ajax:
+                return jsonify({'success': False, 'error': 'Invalid folder name'}), 400
+            flash('Invalid folder name. Please use only letters, numbers, spaces, and common punctuation.', 'error')
+            return redirect(url_for('files.browser', folder_id=parent_id if parent_id else None))
+        
+        # Check if folder already exists
+        parent_folder = None
+        if parent_id:
+            parent_folder = Folder.query.get_or_404(parent_id)
+            # Check if user has permission
+            if parent_folder.user_id != current_user.id:
+                if is_ajax:
+                    return jsonify({'success': False, 'error': 'Permission denied'}), 403
+                flash('You do not have permission to create a folder here', 'error')
+                return redirect(url_for('files.browser'))
+            
+            # Check if folder with same name exists in parent
+            existing = Folder.query.filter_by(
+                name=folder_name, 
+                parent_id=parent_id,
+                user_id=current_user.id
+            ).first()
+        else:
+            # Check if folder with same name exists at root level
+            existing = Folder.query.filter_by(
+                name=folder_name, 
+                parent_id=None,
+                user_id=current_user.id
+            ).first()
+        
+        if existing:
+            if is_ajax:
+                return jsonify({'success': False, 'error': f'A folder named "{folder_name}" already exists'}), 400
+            flash(f'A folder named "{folder_name}" already exists', 'error')
+            return redirect(url_for('files.browser', folder_id=parent_id if parent_id else None))
+        
+        # Create folder
+        folder = Folder(
+            name=folder_name,
+            parent_id=parent_id if parent_id else None,
+            user_id=current_user.id
+        )
         db.session.add(folder)
         db.session.commit()
-        flash(f'Folder "{name}" created successfully', 'success')
+        
+        if is_ajax:
+            return jsonify({
+                'success': True, 
+                'folder': {
+                    'id': folder.id,
+                    'name': folder.name,
+                    'created_at': folder.created_at.strftime('%Y-%m-%d %H:%M:%S')
+                }
+            })
+        
+        flash(f'Folder "{folder_name}" created successfully', 'success')
+        return redirect(url_for('files.browser', folder_id=parent_id if parent_id else None))
+        
     except Exception as e:
-        db.session.rollback()
         current_app.logger.error(f"Error creating folder: {str(e)}")
-        flash('Error creating folder', 'danger')
-    
-    # Redirect to appropriate location
-    if parent_id:
-        return redirect(url_for('files.browser', folder_id=parent_id))
-    return redirect(url_for('files.browser'))
+        if is_ajax:
+            return jsonify({'success': False, 'error': f'Error creating folder: {str(e)}'}), 500
+        flash(f'Error creating folder: {str(e)}', 'error')
+        return redirect(url_for('files.browser', folder_id=parent_id if parent_id else None))
 
 @bp.route('/rename', methods=['POST'])
 @login_required
@@ -742,5 +705,72 @@ def upload_xhr():
         db.session.rollback()
         return jsonify({'error': str(e)}), 500
 
+@bp.route('/move', methods=['POST'])
+@login_required
+def move_item():
+    """Move a file or folder to another folder"""
+    data = request.get_json()
+    
+    item_id = data.get('item_id')
+    item_type = data.get('item_type')
+    target_folder_id = data.get('target_folder_id')
+    
+    if not item_id or not item_type or not target_folder_id:
+        return jsonify({'success': False, 'error': 'Missing parameters'}), 400
+    
+    # Get target folder
+    target_folder = Folder.query.get_or_404(target_folder_id)
+    
+    # Check if user has permission
+    if target_folder.user_id != current_user.id:
+        return jsonify({'success': False, 'error': 'Permission denied'}), 403
+    
+    # Move file or folder
+    if item_type == 'file':
+        file = File.query.get_or_404(item_id)
+        
+        # Check if user has permission
+        if file.user_id != current_user.id:
+            return jsonify({'success': False, 'error': 'Permission denied'}), 403
+        
+        # Check for circular reference
+        if file.id == target_folder.id:
+            return jsonify({'success': False, 'error': 'Cannot move a file to itself'}), 400
+        
+        # Update file's folder_id
+        file.folder_id = target_folder.id
+        
+    elif item_type == 'folder':
+        folder = Folder.query.get_or_404(item_id)
+        
+        # Check if user has permission
+        if folder.user_id != current_user.id:
+            return jsonify({'success': False, 'error': 'Permission denied'}), 403
+        
+        # Check for circular reference
+        if folder.id == target_folder.id or target_folder.id == folder.id:
+            return jsonify({'success': False, 'error': 'Cannot move a folder to itself'}), 400
+        
+        # Check if target is a descendant of the folder
+        if is_descendant(target_folder, folder):
+            return jsonify({'success': False, 'error': 'Cannot move a folder to its descendant'}), 400
+        
+        # Update folder's parent_id
+        folder.parent_id = target_folder.id
+    
+    # Save changes
+    db.session.commit()
+    
+    return jsonify({'success': True})
+
+def is_descendant(folder, potential_ancestor):
+    """Check if a folder is a descendant of another folder"""
+    current = folder
+    while current.parent_id is not None:
+        if current.parent_id == potential_ancestor.id:
+            return True
+        current = Folder.query.get(current.parent_id)
+    return False
+
 # Import the helper functions from __init__.py
 from app import get_file_icon, format_file_size 

app/static/css/browser.css

@@ -803,4 +803,76 @@
     .browser-actions {
         margin-top: 1rem;
     }
+}
+
+/* Selection box */
+.selection-box {
+    position: fixed;
+    background-color: rgba(var(--primary-rgb), 0.2);
+    border: 1px solid var(--primary-color);
+    z-index: 100;
+    pointer-events: none;
+}
+
+/* Selected item styling */
+.file-item.selected,
+.folder-item.selected {
+    background-color: rgba(var(--primary-rgb), 0.1);
+    border: 1px solid var(--primary-color);
+}
+
+/* Dragging item styling */
+.file-item.dragging,
+.folder-item.dragging {
+    opacity: 0.6;
+}
+
+/* Drag target styling */
+.folder-item.drag-over {
+    background-color: rgba(var(--primary-rgb), 0.2);
+    border: 2px dashed var(--primary-color);
+}
+
+/* Selection action bar */
+.selection-actions {
+    display: none;
+    position: fixed;
+    bottom: 20px;
+    left: 50%;
+    transform: translateX(-50%);
+    background-color: var(--card-bg);
+    border-radius: 8px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    padding: 10px 15px;
+    z-index: 1000;
+    animation: slide-up 0.3s ease;
+}
+
+.selection-actions.active {
+    display: flex;
+    align-items: center;
+}
+
+.selection-count {
+    margin-right: 15px;
+    color: var(--text-color);
+    font-weight: 500;
+}
+
+.selection-actions .action-btn {
+    margin-left: 5px;
+    padding: 8px 12px;
+    font-size: 14px;
+}
+
+@keyframes slide-up {
+    from {
+        transform: translate(-50%, 20px);
+        opacity: 0;
+    }
+
+    to {
+        transform: translate(-50%, 0);
+        opacity: 1;
+    }
 }

app/static/css/styles.css

@@ -1264,4 +1264,98 @@ body {
 .upload-actions {
     display: flex;
     justify-content: space-between;
+}
+
+/* Error messages and toasts */
+.error-toast,
+.success-toast {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    padding: 12px 20px;
+    border-radius: 6px;
+    color: white;
+    font-weight: 500;
+    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
+    z-index: 9999;
+    opacity: 1;
+    transition: opacity 0.3s ease, transform 0.3s ease;
+    transform: translateX(0);
+    display: flex;
+    align-items: center;
+    min-width: 300px;
+    max-width: 500px;
+    animation: slide-in 0.3s ease;
+}
+
+.error-toast {
+    background-color: var(--danger-color);
+    border-left: 4px solid #c82333;
+}
+
+.success-toast {
+    background-color: var(--success-color);
+    border-left: 4px solid #218838;
+}
+
+.toast-close {
+    font-size: 18px;
+    margin-left: auto;
+    background: none;
+    border: none;
+    color: white;
+    cursor: pointer;
+    opacity: 0.7;
+    transition: opacity 0.2s ease;
+}
+
+.toast-close:hover {
+    opacity: 1;
+}
+
+.toast-icon {
+    margin-right: 12px;
+    font-size: 1.2em;
+}
+
+.toast-content {
+    flex: 1;
+}
+
+@keyframes slide-in {
+    from {
+        transform: translateX(100%);
+        opacity: 0;
+    }
+
+    to {
+        transform: translateX(0);
+        opacity: 1;
+    }
+}
+
+/* Error page styling */
+.error-container {
+    text-align: center;
+    padding: 3rem 1rem;
+    max-width: 600px;
+    margin: 0 auto;
+}
+
+.error-icon {
+    font-size: 4rem;
+    color: var(--danger-color);
+    margin-bottom: 1rem;
+}
+
+.error-container h1 {
+    font-size: 2.5rem;
+    margin-bottom: 1rem;
+    color: var(--text-color);
+}
+
+.error-container p {
+    font-size: 1.2rem;
+    color: var(--text-muted);
+    margin-bottom: 2rem;
 }

app/static/js/context-menu.js

@@ -141,4 +141,152 @@ class ContextMenu {
 // Initialize context menu
 document.addEventListener('DOMContentLoaded', function () {
     window.contextMenu = new ContextMenu();
+});
+
+// Context menu for files browser
+document.addEventListener('DOMContentLoaded', function () {
+    const filesContainer = document.getElementById('files-container');
+    const contextMenu = document.getElementById('context-menu');
+
+    if (!filesContainer || !contextMenu) return;
+
+    // Track if click was on empty space
+    let clickedOnEmptySpace = false;
+
+    // Context menu options for empty space
+    const emptySpaceOptions = [
+        {
+            label: 'New Folder',
+            icon: 'fa-folder-plus',
+            action: function () {
+                // Get the current folder ID from the URL or data attribute
+                const urlParams = new URLSearchParams(window.location.search);
+                const currentFolderId = urlParams.get('folder_id');
+
+                // Show the new folder modal
+                const newFolderModal = document.getElementById('new-folder-modal');
+                const parentIdInput = document.getElementById('parent_id');
+
+                if (newFolderModal) {
+                    // Set the parent folder ID if available
+                    if (parentIdInput && currentFolderId) {
+                        parentIdInput.value = currentFolderId;
+                    } else if (parentIdInput) {
+                        parentIdInput.value = '';
+                    }
+
+                    newFolderModal.classList.add('active');
+
+                    // Focus on the folder name input
+                    const folderNameInput = document.getElementById('folder_name');
+                    if (folderNameInput) {
+                        folderNameInput.focus();
+                    }
+                }
+            }
+        },
+        {
+            label: 'Upload Files',
+            icon: 'fa-upload',
+            action: function () {
+                const fileInput = document.getElementById('file-upload');
+                if (fileInput) {
+                    fileInput.click();
+                }
+            }
+        },
+        {
+            label: 'Paste',
+            icon: 'fa-paste',
+            action: function () {
+                pasteItems();
+            },
+            condition: function () {
+                // Only show if items are in clipboard
+                return sessionStorage.getItem('clipboard') !== null;
+            }
+        },
+        {
+            label: 'Select All',
+            icon: 'fa-object-group',
+            action: function () {
+                selectAllItems();
+            }
+        },
+        {
+            label: 'Refresh',
+            icon: 'fa-sync-alt',
+            action: function () {
+                window.location.reload();
+            }
+        }
+    ];
+
+    // File/folder specific options
+    const itemOptions = [
+        // ... existing item options ...
+    ];
+
+    // Handle right click on container
+    filesContainer.addEventListener('contextmenu', function (e) {
+        // Check if click was on empty space
+        clickedOnEmptySpace = e.target === filesContainer || e.target.classList.contains('files-container-inner');
+
+        if (clickedOnEmptySpace) {
+            e.preventDefault();
+            const options = emptySpaceOptions.filter(option =>
+                typeof option.condition !== 'function' || option.condition());
+
+            showContextMenu(e.clientX, e.clientY, options);
+        }
+    });
+
+    // Show context menu with provided options
+    function showContextMenu(x, y, options) {
+        // Clear existing menu
+        contextMenu.innerHTML = '';
+
+        // Create menu items
+        options.forEach(option => {
+            const menuItem = document.createElement('div');
+            menuItem.className = 'context-menu-item';
+
+            const icon = document.createElement('i');
+            icon.className = `fas ${option.icon}`;
+
+            const label = document.createElement('span');
+            label.textContent = option.label;
+
+            menuItem.appendChild(icon);
+            menuItem.appendChild(label);
+
+            menuItem.addEventListener('click', function () {
+                // Hide menu
+                contextMenu.style.display = 'none';
+                // Execute action
+                option.action();
+            });
+
+            contextMenu.appendChild(menuItem);
+        });
+
+        // Position menu
+        contextMenu.style.left = `${x}px`;
+        contextMenu.style.top = `${y}px`;
+        contextMenu.style.display = 'block';
+
+        // Adjust position if menu is out of viewport
+        const rect = contextMenu.getBoundingClientRect();
+        if (rect.right > window.innerWidth) {
+            contextMenu.style.left = `${x - rect.width}px`;
+        }
+        if (rect.bottom > window.innerHeight) {
+            contextMenu.style.top = `${y - rect.height}px`;
+        }
+    }
+
+    // Close context menu when clicking outside
+    document.addEventListener('click', function () {
+        contextMenu.style.display = 'none';
+    });
 }); 

app/static/js/drag-drop.js

@@ -0,0 +1,136 @@
+document.addEventListener('DOMContentLoaded', function () {
+  // Get elements
+  const filesContainer = document.getElementById('files-container');
+  const globalDropzone = document.getElementById('global-dropzone');
+
+  if (!filesContainer || !globalDropzone) return;
+
+  // Track if we're dragging items from within the app
+  let internalDrag = false;
+
+  // Handle drag start on files/folders
+  filesContainer.addEventListener('dragstart', function (e) {
+    const item = e.target.closest('.file-item, .folder-item');
+    if (item) {
+      // Set data for drag operation
+      e.dataTransfer.setData('text/plain', JSON.stringify({
+        id: item.dataset.id,
+        type: item.classList.contains('folder-item') ? 'folder' : 'file',
+        name: item.querySelector('.item-name').textContent
+      }));
+
+      // Mark as internal drag
+      internalDrag = true;
+
+      // Add dragging class for styling
+      item.classList.add('dragging');
+    }
+  });
+
+  // Handle drag end
+  filesContainer.addEventListener('dragend', function (e) {
+    const item = e.target.closest('.file-item, .folder-item');
+    if (item) {
+      item.classList.remove('dragging');
+      internalDrag = false;
+    }
+  });
+
+  // Handle drag enter on folders
+  filesContainer.addEventListener('dragenter', function (e) {
+    const folderItem = e.target.closest('.folder-item');
+    if (folderItem && internalDrag) {
+      folderItem.classList.add('drag-over');
+    }
+  });
+
+  // Handle drag leave on folders
+  filesContainer.addEventListener('dragleave', function (e) {
+    const folderItem = e.target.closest('.folder-item');
+    if (folderItem) {
+      folderItem.classList.remove('drag-over');
+    }
+  });
+
+  // Handle drag over (prevent default to allow drop)
+  filesContainer.addEventListener('dragover', function (e) {
+    e.preventDefault();
+    // If dragging from within app, don't show global dropzone
+    if (internalDrag) {
+      globalDropzone.classList.remove('active');
+    }
+  });
+
+  // Handle drop on folders
+  filesContainer.addEventListener('drop', function (e) {
+    e.preventDefault();
+
+    const folderItem = e.target.closest('.folder-item');
+    if (folderItem && internalDrag) {
+      folderItem.classList.remove('drag-over');
+
+      try {
+        const dragData = JSON.parse(e.dataTransfer.getData('text/plain'));
+        const sourceId = dragData.id;
+        const sourceType = dragData.type;
+        const targetId = folderItem.dataset.id;
+
+        // Make AJAX call to move item
+        moveItem(sourceId, sourceType, targetId);
+      } catch (err) {
+        console.error('Error processing drop:', err);
+      }
+    }
+  });
+
+  // Function to move item via AJAX
+  function moveItem(sourceId, sourceType, targetFolderId) {
+    fetch('/files/move', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'X-Requested-With': 'XMLHttpRequest'
+      },
+      body: JSON.stringify({
+        item_id: sourceId,
+        item_type: sourceType,
+        target_folder_id: targetFolderId
+      })
+    })
+      .then(response => response.json())
+      .then(data => {
+        if (data.success) {
+          // Refresh the page or update the UI
+          window.location.reload();
+        } else {
+          alert('Error: ' + data.error);
+        }
+      })
+      .catch(error => {
+        console.error('Error moving item:', error);
+        alert('Failed to move item. Please try again.');
+      });
+  }
+
+  // Global window drag events - only show dropzone for external files
+  window.addEventListener('dragover', function (e) {
+    e.preventDefault();
+    // Only show global dropzone if not dragging internally
+    if (!internalDrag) {
+      globalDropzone.classList.add('active');
+    }
+  });
+
+  window.addEventListener('dragleave', function (e) {
+    // Check if mouse left the window
+    if (e.clientX <= 0 || e.clientY <= 0 ||
+      e.clientX >= window.innerWidth || e.clientY >= window.innerHeight) {
+      globalDropzone.classList.remove('active');
+    }
+  });
+
+  window.addEventListener('drop', function (e) {
+    e.preventDefault();
+    globalDropzone.classList.remove('active');
+  });
+}); 

app/static/js/selection.js

@@ -0,0 +1,182 @@
+document.addEventListener('DOMContentLoaded', function () {
+  const filesContainer = document.getElementById('files-container');
+
+  if (!filesContainer) return;
+
+  // Create selection box element
+  const selectionBox = document.createElement('div');
+  selectionBox.className = 'selection-box';
+  selectionBox.style.display = 'none';
+  document.body.appendChild(selectionBox);
+
+  // Selection variables
+  let isSelecting = false;
+  let startX, startY;
+  let selectedItems = [];
+
+  // Handle mouse down on container (start selection)
+  filesContainer.addEventListener('mousedown', function (e) {
+    // Only start selection if clicking on empty space with left mouse button
+    if (e.target === filesContainer && e.button === 0) {
+      isSelecting = true;
+      startX = e.clientX;
+      startY = e.clientY;
+
+      // Position selection box
+      selectionBox.style.left = `${startX}px`;
+      selectionBox.style.top = `${startY}px`;
+      selectionBox.style.width = '0px';
+      selectionBox.style.height = '0px';
+      selectionBox.style.display = 'block';
+
+      // Clear existing selection if not holding shift
+      if (!e.shiftKey) {
+        clearSelection();
+      }
+
+      // Prevent default behavior
+      e.preventDefault();
+    }
+  });
+
+  // Handle mouse move (update selection box)
+  document.addEventListener('mousemove', function (e) {
+    if (!isSelecting) return;
+
+    // Calculate new dimensions
+    const width = Math.abs(e.clientX - startX);
+    const height = Math.abs(e.clientY - startY);
+
+    // Calculate top-left corner
+    const left = e.clientX < startX ? e.clientX : startX;
+    const top = e.clientY < startY ? e.clientY : startY;
+
+    // Update selection box
+    selectionBox.style.left = `${left}px`;
+    selectionBox.style.top = `${top}px`;
+    selectionBox.style.width = `${width}px`;
+    selectionBox.style.height = `${height}px`;
+
+    // Check which items are in the selection
+    const selectionRect = selectionBox.getBoundingClientRect();
+    const items = filesContainer.querySelectorAll('.file-item, .folder-item');
+
+    items.forEach(item => {
+      const itemRect = item.getBoundingClientRect();
+
+      // Check if item intersects with selection box
+      const intersects = !(
+        itemRect.right < selectionRect.left ||
+        itemRect.left > selectionRect.right ||
+        itemRect.bottom < selectionRect.top ||
+        itemRect.top > selectionRect.bottom
+      );
+
+      if (intersects) {
+        item.classList.add('selected');
+        if (!selectedItems.includes(item)) {
+          selectedItems.push(item);
+        }
+      } else if (!e.shiftKey && !item.classList.contains('manually-selected')) {
+        item.classList.remove('selected');
+        const index = selectedItems.indexOf(item);
+        if (index > -1) {
+          selectedItems.splice(index, 1);
+        }
+      }
+    });
+  });
+
+  // Handle mouse up (end selection)
+  document.addEventListener('mouseup', function () {
+    if (isSelecting) {
+      isSelecting = false;
+      selectionBox.style.display = 'none';
+
+      // Mark selected items
+      selectedItems.forEach(item => {
+        item.classList.add('manually-selected');
+      });
+
+      // Update selection actions
+      updateSelectionActions();
+    }
+  });
+
+  // Handle item click (toggle selection)
+  filesContainer.addEventListener('click', function (e) {
+    const item = e.target.closest('.file-item, .folder-item');
+
+    if (item) {
+      // If holding Ctrl or Shift, toggle selection
+      if (e.ctrlKey || e.shiftKey) {
+        e.preventDefault();
+
+        item.classList.toggle('selected');
+        item.classList.toggle('manually-selected');
+
+        const index = selectedItems.indexOf(item);
+        if (index > -1) {
+          selectedItems.splice(index, 1);
+        } else {
+          selectedItems.push(item);
+        }
+
+        updateSelectionActions();
+      } else {
+        // If not holding Ctrl/Shift, clear selection and select only this item
+        if (!item.classList.contains('selected')) {
+          clearSelection();
+          item.classList.add('selected');
+          item.classList.add('manually-selected');
+          selectedItems = [item];
+          updateSelectionActions();
+        }
+      }
+    } else if (e.target === filesContainer) {
+      // Clicking on empty space clears selection
+      clearSelection();
+    }
+  });
+
+  // Clear selection
+  function clearSelection() {
+    const items = filesContainer.querySelectorAll('.file-item, .folder-item');
+    items.forEach(item => {
+      item.classList.remove('selected', 'manually-selected');
+    });
+    selectedItems = [];
+    updateSelectionActions();
+  }
+
+  // Update selection actions (e.g., show action bar)
+  function updateSelectionActions() {
+    const actionBar = document.getElementById('selection-actions');
+
+    if (actionBar) {
+      if (selectedItems.length > 0) {
+        actionBar.classList.add('active');
+
+        // Update count
+        const countElement = actionBar.querySelector('.selection-count');
+        if (countElement) {
+          countElement.textContent = `${selectedItems.length} item(s) selected`;
+        }
+      } else {
+        actionBar.classList.remove('active');
+      }
+    }
+  }
+
+  // Select all items
+  window.selectAllItems = function () {
+    const items = filesContainer.querySelectorAll('.file-item, .folder-item');
+    items.forEach(item => {
+      item.classList.add('selected', 'manually-selected');
+      if (!selectedItems.includes(item)) {
+        selectedItems.push(item);
+      }
+    });
+    updateSelectionActions();
+  };
+}); 

app/templates/errors/404.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block title %}Page Not Found - Flask Files{% endblock %}
+
+{% block content %}
+<div class="error-container">
+  <div class="error-icon">
+    <i class="fas fa-exclamation-triangle"></i>
+  </div>
+  <h1>404 Not Found</h1>
+  <p>The page you're looking for doesn't exist.</p>
+  <a href="{{ url_for('dashboard.index') }}" class="btn primary">
+    <i class="fas fa-home"></i> Return to Dashboard
+  </a>
+</div>
+{% endblock %}

app/templates/files/browser.html

@@ -72,19 +72,19 @@
 <div id="new-folder-modal" class="modal">
     <div class="modal-content">
         <div class="modal-header">
-            <h3>Create New Folder</h3>
+            <h2>Create New Folder</h2>
             <button class="modal-close">&times;</button>
         </div>
         <div class="modal-body">
-            <form id="new-folder-form" action="{{ url_for('files.create_folder') }}" method="post">
+            <form action="{{ url_for('files.create_folder') }}" method="post">
                 <div class="form-group">
-                    <label for="folder-name">Folder Name</label>
-                    <input type="text" id="folder-name" name="name" required placeholder="Enter folder name">
-                    <input type="hidden" id="parent-folder-id" name="parent_id"
-                        value="{% if current_folder %}{{ current_folder.id }}{% endif %}">
+                    <label for="folder_name">Folder Name</label>
+                    <input type="text" id="folder_name" name="folder_name" required>
                 </div>
+                <input type="hidden" id="parent_id" name="parent_id"
+                    value="{{ current_folder.id if current_folder else '' }}">
                 <div class="form-actions">
-                    <button type="button" class="btn modal-cancel">Cancel</button>
+                    <button type="button" class="btn secondary modal-cancel">Cancel</button>
                     <button type="submit" class="btn primary">Create Folder</button>
                 </div>
             </form>
@@ -139,4 +139,21 @@
 
 <!-- Context Menu -->
 <div id="context-menu" class="context-menu"></div>
+
+<!-- Add this before the closing content block -->
+<div id="selection-actions" class="selection-actions">
+    <span class="selection-count">0 items selected</span>
+    <button class="action-btn" id="selection-download">
+        <i class="fas fa-download"></i> Download
+    </button>
+    <button class="action-btn" id="selection-move">
+        <i class="fas fa-cut"></i> Cut
+    </button>
+    <button class="action-btn" id="selection-copy">
+        <i class="fas fa-copy"></i> Copy
+    </button>
+    <button class="action-btn danger" id="selection-delete">
+        <i class="fas fa-trash"></i> Delete
+    </button>
+</div>
 {% endblock %}