added toolbar icon moving

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

@@ -566,6 +566,13 @@ public class MainWindow extends JFrame {
             });
             shortcutPopup.add(editItem);
             shortcutPopup.add(deleteItem);
+            shortcutPopup.addSeparator();
+            JMenuItem moveLeftItem = new JMenuItem("Move <");
+            moveLeftItem.addActionListener(ae -> moveToolbarShortcut(s, -1));
+            JMenuItem moveRightItem = new JMenuItem("Move >");
+            moveRightItem.addActionListener(ae -> moveToolbarShortcut(s, 1));
+            shortcutPopup.add(moveLeftItem);
+            shortcutPopup.add(moveRightItem);
 
             btn.addMouseListener(new MouseAdapter() {
                 @Override
@@ -771,6 +778,48 @@ public class MainWindow extends JFrame {
         config.saveToolbarShortcuts(shortcuts);
         createToolBar();
     }
+
+    private void moveToolbarShortcut(AppConfig.ToolbarShortcut shortcut, int direction) {
+        List<AppConfig.ToolbarShortcut> shortcuts = config.getToolbarShortcuts();
+        int index = -1;
+        for (int i = 0; i < shortcuts.size(); i++) {
+            AppConfig.ToolbarShortcut s = shortcuts.get(i);
+            if (s.command.equals(shortcut.command) && s.label.equals(shortcut.label)) {
+                index = i;
+                break;
+            }
+        }
+
+        if (index != -1) {
+            boolean isDir = new File(shortcut.command).isDirectory() && new File(shortcut.command).exists();
+            int targetIndex = -1;
+
+            if (direction < 0) { // move left
+                for (int i = index - 1; i >= 0; i--) {
+                    File f = new File(shortcuts.get(i).command);
+                    if ((f.exists() && f.isDirectory()) == isDir) {
+                        targetIndex = i;
+                        break;
+                    }
+                }
+            } else { // move right
+                for (int i = index + 1; i < shortcuts.size(); i++) {
+                    File f = new File(shortcuts.get(i).command);
+                    if ((f.exists() && f.isDirectory()) == isDir) {
+                        targetIndex = i;
+                        break;
+                    }
+                }
+            }
+
+            if (targetIndex != -1) {
+                AppConfig.ToolbarShortcut s = shortcuts.remove(index);
+                shortcuts.add(targetIndex, s);
+                config.saveToolbarShortcuts(shortcuts);
+                createToolBar();
+            }
+        }
+    }
     
     /**
      * Create button panel (like Total Commander)