From 26110350765391714f9cdf9018011061a80003fd Mon Sep 17 00:00:00 2001
From: hse_sadunaev <sadunaev@edu.hse.ru>
Date: Sat, 28 Feb 2026 13:57:06 +0300
Subject: [PATCH] commander - transfer file + rename

---
 .../hse/java/commander/MainController.java    | 145 ++++++++++++++++--
 .../hse/java/commander/commander-ui.fxml      |   5 +-
 2 files changed, 133 insertions(+), 17 deletions(-)

diff --git a/commander/src/main/java/hse/java/commander/MainController.java b/commander/src/main/java/hse/java/commander/MainController.java
index 19c700fb..a1a52ec3 100644
--- a/commander/src/main/java/hse/java/commander/MainController.java
+++ b/commander/src/main/java/hse/java/commander/MainController.java
@@ -3,28 +3,20 @@
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.ListView;
+import javafx.scene.control.TextInputDialog;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 
 public class MainController {
 
     @FXML
     public Button move;
 
-    public void initialize() {
-        move.setOnMouseClicked(event -> {
-
-        });
-        System.out.println(System.getProperty("user.home"));
-       left.getItems().add("Kek");
-
-       left.setOnMouseClicked(event -> {
-           if (event.getClickCount() == 2) {
-               int index = left.getSelectionModel().getSelectedIndex();
-               if (index >= 0) {
-                   left.getItems().set(index, "clicked");
-               }
-           }
-       });
-   }
+    @FXML
+    public Button rename;
 
     @FXML
     public ListView<String> left;
@@ -32,5 +24,126 @@ public void initialize() {
     @FXML
     public ListView<String> right;
 
+    private File leftDir;
+    private File rightDir;
+
+    public void initialize() {
+        File home = new File(System.getProperty("user.home"));
+        leftDir = home;
+        rightDir = home;
+
+        loadDir(left, leftDir);
+        loadDir(right, rightDir);
+
+        left.setOnMouseClicked(e -> {
+            if (e.getClickCount() == 2) navigate(left, true);
+        });
+
+        right.setOnMouseClicked(e -> {
+            if (e.getClickCount() == 2) navigate(right, false);
+        });
+
+        move.setOnMouseClicked(e -> onMove());
+        rename.setOnMouseClicked(e -> onRename());
+    }
+
+    private void loadDir(ListView<String> list, File dir) {
+        list.getItems().clear();
+        list.getItems().add("..");
+        File[] files = dir.listFiles();
+        if (files != null) {
+            for (File f : files) {
+                if (!f.isHidden()) {
+                    list.getItems().add(f.isDirectory() ? "[DIR] " + f.getName() : f.getName());
+                }
+            }
+        }
+    }
+
+    private void navigate(ListView<String> list, boolean isLeft) {
+        String selected = list.getSelectionModel().getSelectedItem();
+        if (selected == null) return;
+
+        File currentDir = isLeft ? leftDir : rightDir;
+        File target;
+
+        if (selected.equals("..")) {
+            target = currentDir.getParentFile();
+            if (target == null) return;
+        } else if (selected.startsWith("[DIR] ")) {
+            target = new File(currentDir, selected.substring(6));
+        } else {
+            return;
+        }
+
+        if (isLeft) leftDir = target;
+        else rightDir = target;
+
+        loadDir(list, target);
+    }
+
+    private void onMove() {
+        String leftSelected = left.getSelectionModel().getSelectedItem();
+        String rightSelected = right.getSelectionModel().getSelectedItem();
+
+        if (leftSelected != null && !leftSelected.equals("..")) {
+            moveFile(leftSelected, leftDir, rightDir, left, right);
+        } else if (rightSelected != null && !rightSelected.equals("..")) {
+            moveFile(rightSelected, rightDir, leftDir, right, left);
+        }
+    }
+
+    private void onRename() {
+        String leftSelected = left.getSelectionModel().getSelectedItem();
+        String rightSelected = right.getSelectionModel().getSelectedItem();
+
+        String selected;
+        ListView<String> activeList;
+        File activeDir;
+
+        if (leftSelected != null && !leftSelected.equals("..")) {
+            selected = leftSelected;
+            activeList = left;
+            activeDir = leftDir;
+        } else if (rightSelected != null && !rightSelected.equals("..")) {
+            selected = rightSelected;
+            activeList = right;
+            activeDir = rightDir;
+        } else {
+            return;
+        }
+
+        String oldName = selected.startsWith("[DIR] ") ? selected.substring(6) : selected;
+
+        TextInputDialog dialog = new TextInputDialog(oldName);
+        dialog.setTitle("Rename");
+        dialog.setHeaderText(null);
+        dialog.setContentText("New name:");
+        dialog.showAndWait().ifPresent(newName -> {
+            if (newName.isBlank() || newName.equals(oldName)) return;
+            File from = new File(activeDir, oldName);
+            File to = new File(activeDir, newName);
+            if (from.renameTo(to)) {
+                loadDir(activeList, activeDir);
+            }
+        });
+    }
 
+    private void moveFile(
+		String item,
+		File fromDir,
+		File toDir,
+        ListView<String> fromList,
+		ListView<String> toList) {
+        String name = item.startsWith("[DIR] ") ? item.substring(6) : item;
+        Path source = new File(fromDir, name).toPath();
+        Path target = new File(toDir, name).toPath();
+        try {
+            Files.move(source, target, StandardCopyOption.REPLACE_EXISTING);
+            loadDir(fromList, fromDir);
+            loadDir(toList, toDir);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
 }
diff --git a/commander/src/main/resources/hse/java/commander/commander-ui.fxml b/commander/src/main/resources/hse/java/commander/commander-ui.fxml
index 23d8db23..63ecb5c6 100644
--- a/commander/src/main/resources/hse/java/commander/commander-ui.fxml
+++ b/commander/src/main/resources/hse/java/commander/commander-ui.fxml
@@ -10,5 +10,8 @@
         <ListView fx:id="right" prefHeight="318.0" prefWidth="321.0" />
 
     </HBox>
-   <Button fx:id="move" mnemonicParsing="false" text="Move" />
+   <HBox>
+       <Button fx:id="move" mnemonicParsing="false" text="Move" />
+       <Button fx:id="rename" mnemonicParsing="false" text="Rename" />
+   </HBox>
 </VBox>