added item info ctrl+q

src/main/java/cz/kamma/kfmanager/ui/FilePanel.java

@@ -745,6 +745,18 @@ public class FilePanel extends JPanel {
         FilePanelTab tab = getCurrentTab();
         return tab != null ? tab.getViewMode() : ViewMode.FULL;
     }
+
+    public ViewMode getPreviousViewMode() {
+        FilePanelTab tab = getCurrentTab();
+        return tab != null ? tab.getPreviousViewMode() : ViewMode.FULL;
+    }
+
+    public void setInfoItem(FileItem item) {
+        FilePanelTab tab = getCurrentTab();
+        if (tab != null) {
+            tab.setInfoItem(item);
+        }
+    }
     
     public void loadDirectory(File directory) {
         loadDirectory(directory, true);

src/main/java/cz/kamma/kfmanager/ui/FilePanelTab.java

@@ -39,6 +39,10 @@ import com.github.junrar.rarfile.FileHeader;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.nio.file.attribute.DosFileAttributes;
 
 /**
  * Single tab in a panel - displays the contents of one directory
@@ -50,6 +54,11 @@ public class FilePanelTab extends JPanel {
     private FileTableModel tableModel;
     private JLabel statusLabel;
     private ViewMode viewMode = ViewMode.FULL;
+    private ViewMode previousViewMode = ViewMode.FULL; // Store mode before switching to INFO
+    private JPanel cardPanel;
+    private CardLayout cardLayout;
+    private JTextArea infoTextArea;
+    private JScrollPane infoScrollPane;
     private int briefCurrentColumn = 0;
     private Runnable onDirectoryChanged;
     private Runnable onSwitchPanelRequested;
@@ -170,6 +179,7 @@ public class FilePanelTab extends JPanel {
     public void applyGlobalFont(Font font) {
         if (font == null) return;
         fileTable.setFont(font);
+        infoTextArea.setFont(font);
         statusLabel.setFont(font);
         // Update row height based on font metrics
         FontMetrics fm = fileTable.getFontMetrics(font);
@@ -587,6 +597,18 @@ public class FilePanelTab extends JPanel {
     // Enable horizontal scrollbar when needed so BRIEF mode can scroll left-right
     scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
 
+    // Info panel for Quick View (Ctrl+Q)
+    infoTextArea = new JTextArea();
+    infoTextArea.setEditable(false);
+    infoTextArea.setFont(new Font("Monospaced", Font.PLAIN, 12));
+    infoTextArea.setMargin(new Insets(10, 10, 10, 10));
+    infoScrollPane = new JScrollPane(infoTextArea);
+
+    cardLayout = new CardLayout();
+    cardPanel = new JPanel(cardLayout);
+    cardPanel.add(scrollPane, "TABLE");
+    cardPanel.add(infoScrollPane, "INFO");
+
     // Implement mouse wheel navigation in BRIEF and FULL mode to match arrow key behavior
     fileTable.addMouseWheelListener(new java.awt.event.MouseWheelListener() {
         @Override
@@ -613,7 +635,7 @@ public class FilePanelTab extends JPanel {
         }
     });
 
-    add(scrollPane, BorderLayout.CENTER);
+    add(cardPanel, BorderLayout.CENTER);
         
     // Status bar
         statusLabel = new JLabel(" ");
@@ -2311,13 +2333,16 @@ public class FilePanelTab extends JPanel {
 
     public void setViewMode(ViewMode mode, boolean requestFocus) {
         if (this.viewMode != mode) {
+            if (this.viewMode != ViewMode.INFO) {
+                this.previousViewMode = this.viewMode;
+            }
             String selectedItemName = null;
             int selectedRow = fileTable.getSelectedRow();
             if (selectedRow >= 0) {
                 FileItem item = null;
                 if (this.viewMode == ViewMode.BRIEF) {
                     item = tableModel.getItemFromBriefLayout(selectedRow, briefCurrentColumn);
-                } else {
+                } else if (this.viewMode == ViewMode.FULL) {
                     item = tableModel.getItem(selectedRow);
                 }
                 if (item != null) {
@@ -2329,35 +2354,142 @@ public class FilePanelTab extends JPanel {
             final String itemToSelect = selectedItemName;
             
             SwingUtilities.invokeLater(() -> {
-                tableModel.updateViewMode(mode);
+                if (mode == ViewMode.INFO) {
-                // Switch auto-resize behavior depending on mode so BRIEF can scroll horizontally
+                    cardLayout.show(cardPanel, "INFO");
-                if (mode == ViewMode.BRIEF) {
-                    fileTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
                 } else {
-                    fileTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
+                    cardLayout.show(cardPanel, "TABLE");
-                }
+                    tableModel.updateViewMode(mode);
-                // Hide table header in BRIEF mode to save vertical space and match requirements
+                    // Switch auto-resize behavior depending on mode so BRIEF can scroll horizontally
-                if (fileTable.getTableHeader() != null) {
+                    if (mode == ViewMode.BRIEF) {
-                    fileTable.getTableHeader().setVisible(mode != ViewMode.BRIEF);
+                        fileTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
-                }
+                    } else {
-                briefCurrentColumn = 0;
+                        fileTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
-                updateColumnRenderers();
+                    }
-                updateColumnWidths();
+                    // Hide table header in BRIEF mode to save vertical space and match requirements
-                fileTable.revalidate();
+                    if (fileTable.getTableHeader() != null) {
-                fileTable.repaint();
+                        fileTable.getTableHeader().setVisible(mode != ViewMode.BRIEF);
-                
+                    }
-                if (itemToSelect != null) {
+                    briefCurrentColumn = 0;
-                    selectItemByName(itemToSelect, requestFocus);
+                    updateColumnRenderers();
-                } else if (fileTable.getRowCount() > 0) {
+                    updateColumnWidths();
-                    fileTable.setRowSelectionInterval(0, 0);
+                    fileTable.revalidate();
+                    fileTable.repaint();
+                    
+                    if (itemToSelect != null) {
+                        selectItemByName(itemToSelect, requestFocus);
+                    } else if (fileTable.getRowCount() > 0) {
+                        fileTable.setRowSelectionInterval(0, 0);
+                    }
                 }
                 
                 if (requestFocus) {
-                    fileTable.requestFocusInWindow();
+                    if (mode == ViewMode.INFO) {
+                        infoTextArea.requestFocusInWindow();
+                    } else {
+                        fileTable.requestFocusInWindow();
+                    }
                 }
             });
         }
     }
+
+    public ViewMode getViewMode() {
+        return viewMode;
+    }
+
+    public ViewMode getPreviousViewMode() {
+        return previousViewMode;
+    }
+
+    public void setInfoItem(FileItem item) {
+        if (item == null || item.getName().equals("..")) {
+            infoTextArea.setText("No item selected.");
+            return;
+        }
+
+        File file = item.getFile();
+        StringBuilder sb = new StringBuilder();
+        sb.append("Name: ").append(file.getName()).append("\n");
+        sb.append("Path: ").append(file.getAbsolutePath()).append("\n\n");
+        sb.append("Modified: ").append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(file.lastModified()))).append("\n");
+
+        if (!file.isDirectory()) {
+            sb.append("Type: File\n");
+            long size = file.length();
+            sb.append("Size: ").append(FileItem.formatSize(size)).append(" (").append(size).append(" bytes)\n");
+            addAttributes(sb, file);
+            infoTextArea.setText(sb.toString());
+            infoTextArea.setCaretPosition(0);
+        } else {
+            sb.append("Type: Directory\n");
+            infoTextArea.setText(sb.toString());
+
+            // Calculate size and count contents in background to avoid freezing UI
+            new SwingWorker<long[], Void>() {
+                @Override
+                protected long[] doInBackground() {
+                    long[] results = new long[3]; // [size, filesCount, dirsCount]
+                    calculateDirStats(file, results);
+                    return results;
+                }
+
+                @Override
+                protected void done() {
+                    try {
+                        long[] res = get();
+                        sb.append("Total Size: ").append(FileItem.formatSize(res[0])).append(" (").append(res[0]).append(" bytes)\n");
+                        sb.append("Contains: ").append(res[1]).append(" files, ").append(res[2]).append(" directories\n");
+                        addAttributes(sb, file);
+                        infoTextArea.setText(sb.toString());
+                        infoTextArea.setCaretPosition(0);
+                    } catch (Exception e) {
+                        sb.append("Error calculating stats: ").append(e.getMessage());
+                        infoTextArea.setText(sb.toString());
+                    }
+                }
+            }.execute();
+        }
+    }
+
+    private void addAttributes(StringBuilder sb, File file) {
+        sb.append("\nAttributes:\n");
+        try {
+            Path path = file.toPath();
+            BasicFileAttributes basic = Files.readAttributes(path, BasicFileAttributes.class);
+            sb.append("  Created: ").append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(basic.creationTime().toMillis()))).append("\n");
+            sb.append("  Last access: ").append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(basic.lastAccessTime().toMillis()))).append("\n");
+            
+            if (Files.getFileStore(path).supportsFileAttributeView("posix")) {
+                PosixFileAttributes posix = Files.readAttributes(path, PosixFileAttributes.class);
+                sb.append("  Owner: ").append(posix.owner().getName()).append("\n");
+                sb.append("  Group: ").append(posix.group().getName()).append("\n");
+                sb.append("  Permissions: ").append(PosixFilePermissions.toString(posix.permissions())).append("\n");
+            } else if (Files.getFileStore(path).supportsFileAttributeView("dos")) {
+                DosFileAttributes dos = Files.readAttributes(path, DosFileAttributes.class);
+                sb.append("  Hidden: ").append(dos.isHidden()).append("\n");
+                sb.append("  ReadOnly: ").append(dos.isReadOnly()).append("\n");
+                sb.append("  System: ").append(dos.isSystem()).append("\n");
+                sb.append("  Archive: ").append(dos.isArchive()).append("\n");
+            }
+        } catch (IOException e) {
+            sb.append("  Error reading attributes: ").append(e.getMessage()).append("\n");
+        }
+    }
+
+    private void calculateDirStats(File dir, long[] results) {
+        File[] items = dir.listFiles();
+        if (items != null) {
+            for (File item : items) {
+                if (item.isFile()) {
+                    results[0] += item.length();
+                    results[1]++;
+                } else {
+                    results[2]++;
+                    calculateDirStats(item, results);
+                }
+            }
+        }
+    }
     
     private void updateColumnRenderers() {
         int columnCount = tableModel.getColumnCount();
@@ -2960,10 +3092,6 @@ public class FilePanelTab extends JPanel {
         return currentDirectory;
     }
     
-    public ViewMode getViewMode() {
-        return viewMode;
-    }
-    
     // FileTableModel
     private class FileTableModel extends AbstractTableModel {
         private List<FileItem> items = new ArrayList<>();

src/main/java/cz/kamma/kfmanager/ui/MainWindow.java

@@ -235,6 +235,13 @@ public class MainWindow extends JFrame {
             }
         });
         
+        // Add selection listeners for Quick View updates
+        leftPanel.getFileTable().getSelectionModel().addListSelectionListener(e -> {
+            if (!e.getValueIsAdjusting() && activePanel == leftPanel) {
+                updateQuickViewInfo();
+            }
+        });
+        
         rightPanel.getFileTable().addFocusListener(new FocusAdapter() {
             @Override
             public void focusGained(FocusEvent e) {
@@ -255,6 +262,13 @@ public class MainWindow extends JFrame {
             }
         });
 
+        // Add selection listeners for Quick View updates
+        rightPanel.getFileTable().getSelectionModel().addListSelectionListener(e -> {
+            if (!e.getValueIsAdjusting() && activePanel == rightPanel) {
+                updateQuickViewInfo();
+            }
+        });
+
         // Click on panel anywhere should request focus to its table
         leftPanel.addMouseListener(new MouseAdapter() {
             @Override
@@ -463,7 +477,6 @@ public class MainWindow extends JFrame {
 
         // Load custom shortcuts from config
         List<AppConfig.ToolbarShortcut> shortcuts = config.getToolbarShortcuts();
-        int btnSize = config.getToolbarButtonSize();
         int iconSize = config.getToolbarIconSize();
 
         // Group shortcuts: directories will go to the right, others stay on the left
@@ -1200,6 +1213,11 @@ public class MainWindow extends JFrame {
         }, KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_DOWN_MASK),
         JComponent.WHEN_IN_FOCUSED_WINDOW);
 
+    // Ctrl+Q - Quick View
+        rootPane.registerKeyboardAction(e -> toggleQuickView(),
+                KeyStroke.getKeyStroke(KeyEvent.VK_Q, InputEvent.CTRL_DOWN_MASK),
+                JComponent.WHEN_IN_FOCUSED_WINDOW);
+
     // Ctrl+E - Command line history
         rootPane.registerKeyboardAction(e -> showCommandLineHistory(),
                 KeyStroke.getKeyStroke(KeyEvent.VK_E, InputEvent.CTRL_DOWN_MASK),
@@ -1222,6 +1240,24 @@ public class MainWindow extends JFrame {
     /**
      * Switch between panels
      */
+    private void toggleQuickView() {
+        FilePanel opposite = (activePanel == leftPanel) ? rightPanel : leftPanel;
+        if (opposite.getViewMode() == ViewMode.INFO) {
+            opposite.setViewMode(opposite.getPreviousViewMode(), false);
+        } else {
+            opposite.setViewMode(ViewMode.INFO, false);
+            updateQuickViewInfo();
+        }
+    }
+
+    private void updateQuickViewInfo() {
+        FilePanel opposite = (activePanel == leftPanel) ? rightPanel : leftPanel;
+        if (opposite.getViewMode() == ViewMode.INFO) {
+            FileItem selected = activePanel.getFocusedItem();
+            opposite.setInfoItem(selected);
+        }
+    }
+
     private void switchPanels() {
         // Determine which panel currently (or recently) has focus by inspecting the focus owner.
         java.awt.Component owner = java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();

src/main/java/cz/kamma/kfmanager/ui/ViewMode.java

@@ -5,5 +5,6 @@ package cz.kamma.kfmanager.ui;
  */
 public enum ViewMode {
     FULL,   // Full details (name, size, date)
-    BRIEF   // Names only in multiple columns
+    BRIEF,  // Names only in multiple columns
+    INFO    // Information about selected file from opposite panel
 }