Add confirmation to station delete

And actually delete the station dir

src/main/java/name/nathanmcrae/numbersstation/StationSelectionController.java

@@ -1,11 +1,15 @@
 package name.nathanmcrae.numbersstation;
 
+import java.io.IOException;
+import java.util.logging.Logger;
+import java.util.logging.Level;
 import java.util.Optional;
 import javafx.collections.ListChangeListener;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.scene.control.Alert;
+import javafx.scene.control.ButtonType;
 import javafx.scene.control.ListCell;
 import javafx.scene.control.ListView;
 import javafx.scene.control.TextInputDialog;
@@ -15,6 +19,7 @@ import javafx.scene.Node;
 import javafx.stage.Stage;
 
 public class StationSelectionController {
+    private static final Logger logger = Logger.getLogger(Main.class.getName());
 
     private MainSettings settings;
 
@@ -94,7 +99,16 @@ public class StationSelectionController {
     @FXML
     private void handleRemoveButtonPress(ActionEvent event) {
         int selectedIndex = stationListView.getSelectionModel().getSelectedIndex();
-        if (selectedIndex >= 0) {
+        StationSettings station = stationList.get(selectedIndex);
+        String stationName = station.toString();
+
+        String message = "Delete station '" + stationName + "'? All data will be erased.";
+        Alert alert = new Alert(Alert.AlertType.CONFIRMATION, message, ButtonType.YES, ButtonType.NO);
+        alert.setTitle("Delete station?");
+        alert.setHeaderText(null);
+        alert.showAndWait();
+
+        if (selectedIndex >= 0 && alert.getResult() == ButtonType.YES) {
             stationList.remove(selectedIndex);
         }
     }
@@ -122,6 +136,18 @@ public class StationSelectionController {
             if (change.wasRemoved()) {
                 for (StationSettings removedStation : change.getRemoved()) {
                     System.out.println("Removed: " + removedStation.getName());
+
+                    try {
+                        removedStation.deleteDir();
+                    } catch (IOException e) {
+                        logger.log(Level.SEVERE, "Exception when removing station directory", e);
+                        Alert alert = new Alert(Alert.AlertType.ERROR);
+                        alert.setTitle("Error removing station");
+                        alert.setHeaderText(null);
+                        alert.setContentText("Exception when removing station directory: " + e.getMessage());
+                        alert.showAndWait();
+                        return;
+                    }
                 }
             }
         }

src/main/java/name/nathanmcrae/numbersstation/StationSettings.java

@@ -1,8 +1,13 @@
 package name.nathanmcrae.numbersstation;
 
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.Files;
+import java.nio.file.FileVisitResult;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.nio.file.SimpleFileVisitor;
 import java.security.SecureRandom;
 import java.time.LocalDate;
 import java.time.LocalTime;
@@ -60,6 +65,22 @@ public class StationSettings {
         scheduleStartTime = LocalTime.now();
     }
 
+    public void deleteDir() throws IOException {
+        Files.walkFileTree(stationPath(), new SimpleFileVisitor<Path>() {
+            @Override
+            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+                Files.delete(file);
+                return FileVisitResult.CONTINUE;
+            }
+
+            @Override
+            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+                Files.delete(dir);
+                return FileVisitResult.CONTINUE;
+            }
+        });
+    }
+
     public Path stationPath() {
         String configHome = System.getenv("XDG_CONFIG_HOME");
         Path directoryPath;