fixed load directory on start

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

@@ -1,6 +1,7 @@
 package cz.kamma.kfmanager.ui;
 
 import cz.kamma.kfmanager.model.FileItem;
+import cz.kamma.kfmanager.config.AppConfig;
 import cz.kamma.kfmanager.service.ClipboardService;
 import cz.kamma.kfmanager.service.FileOperations;
 
@@ -901,8 +902,23 @@ public class FilePanelTab extends JPanel {
     }
 
     public void loadDirectory(File directory, boolean autoSelectFirst, boolean requestFocus, final Runnable postLoadAction) {
+        // Ensure we load an existing directory - try parents if necessary
+        File dirToLoad = directory;
+        while (dirToLoad != null && !dirToLoad.isDirectory()) {
+            dirToLoad = dirToLoad.getParentFile();
+        }
+
+        if (dirToLoad == null) {
+            dirToLoad = new File(System.getProperty("user.home"));
+            if (!dirToLoad.isDirectory()) {
+                dirToLoad = new File(File.separator);
+            }
+        }
+        directory = dirToLoad;
+
         // If we are switching directories, cleanup any previously extracted archive temp dirs
         cleanupArchiveTempDirIfNeeded(directory);
+        
         if (directory == null || !directory.isDirectory()) {
             return;
         }
@@ -1375,26 +1391,7 @@ public class FilePanelTab extends JPanel {
                 }
 
                 if (command != null && !command.trim().isEmpty()) {
-                    String fullPath = file.getAbsolutePath();
+                    runExternalCommand(command, file);
-                    String fileName = file.getName();
-                    String trimmedCmd = command.trim();
-                    boolean hasPlaceholder = trimmedCmd.contains("%f") || trimmedCmd.contains("%n");
-
-                    java.util.List<String> cmdList = new java.util.ArrayList<>();
-                    String[] parts = trimmedCmd.split("\\s+");
-                    for (String part : parts) {
-                        String processed = part.replace("%f", fullPath).replace("%n", fileName);
-                        if (processed.startsWith("\"") && processed.endsWith("\"") && processed.length() >= 2) {
-                            processed = processed.substring(1, processed.length() - 1);
-                        }
-                        cmdList.add(processed);
-                    }
-
-                    if (!hasPlaceholder) {
-                        cmdList.add(fullPath);
-                    }
-
-                    new ProcessBuilder(cmdList).directory(file.getParentFile()).start();
                     return;
                 }
             }
@@ -1421,6 +1418,35 @@ public class FilePanelTab extends JPanel {
         }
     }
 
+    private void runExternalCommand(String command, File file) {
+        if (command == null || command.trim().isEmpty() || file == null) return;
+        try {
+            String fullPath = file.getAbsolutePath();
+            String fileName = file.getName();
+            String trimmedCmd = command.trim();
+
+            boolean hasPlaceholder = trimmedCmd.contains("%f") || trimmedCmd.contains("%n");
+
+            java.util.List<String> cmdList = new java.util.ArrayList<>();
+            String[] parts = trimmedCmd.split("\\s+");
+            for (String part : parts) {
+                String processed = part.replace("%f", fullPath).replace("%n", fileName);
+                if (processed.startsWith("\"") && processed.endsWith("\"") && processed.length() >= 2) {
+                    processed = processed.substring(1, processed.length() - 1);
+                }
+                cmdList.add(processed);
+            }
+
+            if (!hasPlaceholder) {
+                cmdList.add(fullPath);
+            }
+
+            new ProcessBuilder(cmdList).directory(file.getParentFile()).start();
+        } catch (Exception ex) {
+            try { JOptionPane.showMessageDialog(this, "Cannot execute command: " + ex.getMessage()); } catch (Exception ignore) {}
+        }
+    }
+
     /**
      * Open the item located at the given point (used for double-clicks while
      * mouse-driven selection is blocked). This mirrors the behavior of
@@ -1482,6 +1508,36 @@ public class FilePanelTab extends JPanel {
         });
         menu.add(openItem);
 
+        // Open with
+        if (!item.getName().equals("..")) {
+            java.util.List<AppConfig.OpenWithEntry> owEntries = persistedConfig != null ? persistedConfig.getOpenWithEntries() : new java.util.ArrayList<>();
+            String itemType;
+            if (item.isDirectory()) {
+                itemType = "directory";
+            } else {
+                String name = item.getFile().getName().toLowerCase();
+                int dot = name.lastIndexOf('.');
+                itemType = (dot > 0 && dot < name.length() - 1) ? name.substring(dot + 1) : "";
+            }
+
+            java.util.List<AppConfig.OpenWithEntry> filtered = new java.util.ArrayList<>();
+            for (AppConfig.OpenWithEntry e : owEntries) {
+                if (e.type != null && e.type.equalsIgnoreCase(itemType)) {
+                    filtered.add(e);
+                }
+            }
+
+            if (!filtered.isEmpty()) {
+                JMenu openWithMenu = new JMenu("Open with");
+                for (AppConfig.OpenWithEntry e : filtered) {
+                    JMenuItem owItem = new JMenuItem(e.label);
+                    owItem.addActionListener(ae -> runExternalCommand(e.command, item.getFile()));
+                    openWithMenu.add(owItem);
+                }
+                menu.add(openWithMenu);
+            }
+        }
+
         // Edit
         JMenuItem editItem = new JMenuItem("Edit");
         editItem.addActionListener(ae -> {