Implement opening File Browser from Top Resources

app/filebrowser/src/main/java/org/phoebus/applications/filebrowser/FileBrowser.java

@@ -58,16 +58,34 @@ public class FileBrowser implements AppInstance
         final DockItem tab = new DockItem(this, content);
         DockPane.getActiveDockPane().addTab(tab);
 
-        if (controller != null  &&  file != null){
-            if(file.isDirectory()){
-                controller.setRoot(file);
-            }
-            else{
-                controller.setRootAndHighlight(file);
-            }
+        // Initial title for the tab
+        if (file != null)
+        {
+            String folderName = file.getName().isEmpty() ? file.getPath() : file.getName();
+            tab.setLabel(app.getDisplayName() + " (" + folderName + ")");
         }
 
-        tab.addClosedNotification(controller::shutdown);
+        // When the user navigates, update the tab name dynamically
+        if (controller != null)
+        {
+            controller.addRootChangeListener(newRoot -> {
+                if (newRoot != null)
+                {
+                    String folderName = newRoot.getName().isEmpty() ? newRoot.getPath() : newRoot.getName();
+                    tab.setLabel(app.getDisplayName() + " (" + folderName + ")");
+                }
+            });
+
+            if (file != null)
+            {
+                if (file.isDirectory())
+                    controller.setRoot(file);
+                else
+                    controller.setRootAndHighlight(file);
+            }
+
+            tab.addClosedNotification(controller::shutdown);
+        }
     }
 
     @Override

app/filebrowser/src/main/java/org/phoebus/applications/filebrowser/FileBrowserApp.java

@@ -2,6 +2,7 @@
 
 import java.io.File;
 import java.net.URI;
+import java.net.URL;
 
 import org.phoebus.framework.preferences.AnnotatedPreferences;
 import org.phoebus.framework.preferences.Preference;
@@ -45,11 +46,28 @@ public AppInstance create() {
     @Override
     public AppInstance create(final URI resource)
     {
-        return createWithRoot(new File(resource));
+        try
+        {
+            // Remove query component since File(URI) does not accept it
+            URI clean = new URI(resource.getScheme(), resource.getSchemeSpecificPart(), null);
+            return createWithRoot(new File(clean));
+        }
+        catch (Exception ex)
+        {
+            // Fallback: try using path string
+            return createWithRoot(new File(resource.getPath()));
+        }
     }
 
+
     public AppInstance createWithRoot(final File directory)
     {
         return new FileBrowser(this, directory);
     }
+
+    @Override
+    public URL getIconURL()
+    {
+        return FileBrowserApp.class.getResource("/icons/filebrowser.png");
+    }
 }

app/filebrowser/src/main/java/org/phoebus/applications/filebrowser/FileBrowserController.java

@@ -43,9 +43,11 @@
 import java.net.URL;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.logging.Level;
+import java.util.function.Consumer;
 
 import static org.phoebus.applications.filebrowser.FileBrowser.logger;
 
@@ -71,6 +73,21 @@ public class FileBrowserController {
     private final Menu openWith = new Menu(Messages.OpenWith, ImageCache.getImageView(PhoebusApplication.class, "/icons/fldr_obj.png"));
     private final ContextMenu contextMenu = new ContextMenu();
 
+    /**
+     * Create a listener for changes in the selected directory
+     */
+    private final List<Consumer<File>> root_change_listeners = new ArrayList<>();
+    public void addRootChangeListener(Consumer<File> listener) {
+        root_change_listeners.add(listener);
+    }
+
+    private void notifyRootChange(File newRoot) {
+        // Notify that the directory has changed
+        for (Consumer<File> listener : root_change_listeners)
+            listener.accept(newRoot);
+    }
+
+
     private ExpandedCountChangeListener expandedCountChangeListener;
 
     public FileBrowserController() {
@@ -461,6 +478,7 @@ public void setRoot(final File directory) {
         monitor.setRoot(directory);
         path.setText(directory.toString());
         treeView.setRoot(new FileTreeItem(monitor, directory));
+        notifyRootChange(directory);
     }
 
     /**