Mikhalovskii_M_M_task_commander

commander/src/main/java/hse/java/commander/CommanderApplication.java

@@ -21,6 +21,5 @@ public void start(Stage stage) throws IOException {
         stage.setTitle("Commander");
         stage.setScene(scene);
         stage.show();
-        System.out.println("Hello world");
     }
 }

commander/src/main/java/hse/java/commander/MainController.java

@@ -1,45 +1,160 @@
 package hse.java.commander;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.ListView;
+import javafx.scene.control.*;
+import javafx.scene.input.MouseButton;
+import javafx.util.Callback;
 
-import java.nio.file.Path;
+import java.io.IOException;
+import java.nio.file.*;
+import java.util.Comparator;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 public class MainController {
 
-    @FXML
-    public ListView<String> left;
-
-    @FXML
-    public ListView<String> right;
-
-    @FXML
-    public Button move;
+    @FXML private ListView<Path> leftPane;
+    @FXML private ListView<Path> rightPane;
+    @FXML private Label leftPathLabel;
+    @FXML private Label rightPathLabel;
+    @FXML private Button btnCopy;
+    @FXML private Button btnMove;
+    @FXML private Button btnDelete;
 
     private Path leftDir;
     private Path rightDir;
+    private ListView<Path> focusedPane;
+
+    public void initialize() {
+        if (leftDir == null) leftDir = Paths.get(System.getProperty("user.home"));
+        if (rightDir == null) rightDir = Paths.get(System.getProperty("user.home"));
+
+        Callback<ListView<Path>, ListCell<Path>> cellFactory = lv -> new ListCell<>() {
+            @Override
+            protected void updateItem(Path item, boolean empty) {
+                super.updateItem(item, empty);
+                if (empty || item == null) {
+                    setText(null);
+                } else {
+                    if (item.getFileName() == null) setText(item.toString());
+                    else setText(item.getFileName().toString());
+                    if (Files.isDirectory(item)) setStyle("-fx-font-weight: bold;");
+                    else setStyle("");
+                }
+            }
+        };
+
+        leftPane.setCellFactory(cellFactory);
+        rightPane.setCellFactory(cellFactory);
+
+        setupPaneInteraction(leftPane, true);
+        setupPaneInteraction(rightPane, false);
+
+        btnCopy.setOnAction(e -> transferSelected(TransferOp.COPY));
+        btnMove.setOnAction(e -> transferSelected(TransferOp.MOVE));
+        btnDelete.setOnAction(e -> transferSelected(TransferOp.DELETE));
+
+        refreshBoth();
+    }
 
-    // for testing
     public void setInitialDirs(Path leftStart, Path rightStart) {
-        this.leftDir = leftStart;
-        this.rightDir = rightStart;
+        if (leftStart != null) leftDir = leftStart;
+        if (rightStart != null) rightDir = rightStart;
+        if (leftPane != null && rightPane != null) refreshBoth();
     }
 
-    public void initialize() {
-        move.setOnMouseClicked(event -> {
+    private void setupPaneInteraction(ListView<Path> pane, boolean isLeft) {
+        pane.setOnMouseClicked(evt -> {
+            focusedPane = pane;
+            if (evt.getButton() == MouseButton.PRIMARY && evt.getClickCount() == 2) {
+                Path sel = pane.getSelectionModel().getSelectedItem();
+                if (sel == null) return;
 
-        });
-        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");
+                Path current = isLeft ? leftDir : rightDir;
+
+                if (sel.equals(current.getParent())) {
+                    if (current.getParent() != null) {
+                        if (isLeft) leftDir = current.getParent();
+                        else rightDir = current.getParent();
+                        refreshBoth();
+                    }
+                    return;
+                }
+
+                if (Files.isDirectory(sel)) {
+                    if (isLeft) leftDir = sel;
+                    else rightDir = sel;
+                    refreshBoth();
                 }
             }
         });
     }
+
+    private enum TransferOp { COPY, MOVE, DELETE }
+
+    private void transferSelected(TransferOp op) {
+        if (focusedPane == null) return;
+        Path selected = focusedPane.getSelectionModel().getSelectedItem();
+        if (selected == null) return;
+
+        Path sourceDir = (focusedPane == leftPane) ? leftDir : rightDir;
+        Path targetDir = (focusedPane == leftPane) ? rightDir : leftDir;
+
+        if (selected.equals(sourceDir.getParent())) return;
+
+        Path src = sourceDir.resolve(selected.getFileName());
+
+        if (op == TransferOp.DELETE) {
+            try {
+                Files.deleteIfExists(src);
+            } catch (IOException ignored) {}
+            refreshBoth();
+            return;
+        }
+
+        Path dst = targetDir.resolve(selected.getFileName());
+
+        try {
+            if (op == TransferOp.COPY) {
+                if (Files.isDirectory(src)) {
+                    if (!Files.exists(dst)) Files.createDirectories(dst);
+                } else {
+                    Files.copy(src, dst, StandardCopyOption.REPLACE_EXISTING);
+                }
+            } else if (op == TransferOp.MOVE) {
+                Files.move(src, dst, StandardCopyOption.REPLACE_EXISTING);
+            }
+        } catch (IOException ignored) {}
+
+        refreshBoth();
+    }
+
+    private void refreshBoth() {
+        safeRefresh(leftPane, leftDir, leftPathLabel);
+        safeRefresh(rightPane, rightDir, rightPathLabel);
+    }
+
+    private void safeRefresh(ListView<Path> pane, Path dir, Label label) {
+        if (dir == null) {
+            pane.setItems(FXCollections.observableArrayList());
+            if (label != null) label.setText("");
+            return;
+        }
+
+        ObservableList<Path> items = FXCollections.observableArrayList();
+        Path parent = dir.getParent();
+        if (parent != null) items.add(parent);
+
+        try (Stream<Path> stream = Files.list(dir)) {
+            var sorted = stream
+                    .sorted(Comparator.comparing(p -> p.getFileName().toString().toLowerCase()))
+                    .collect(Collectors.toList());
+            items.addAll(sorted);
+        } catch (IOException ignored) {}
+
+        pane.setItems(items);
+        if (label != null) label.setText(dir.toString());
+    }
 }

commander/src/main/resources/hse/java/commander/commander-ui.fxml

@@ -3,14 +3,28 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
-<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="421.0" prefWidth="627.0" xmlns="http://javafx.com/javafx/17.0.12" xmlns:fx="http://javafx.com/fxml/1" fx:controller="hse.java.commander.MainController">
+<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity"
+      prefHeight="421.0" prefWidth="627.0"
+      xmlns="http://javafx.com/javafx/17.0.12"
+      xmlns:fx="http://javafx.com/fxml/1"
+      fx:controller="hse.java.commander.MainController">
+
     <HBox prefHeight="370.0" prefWidth="627.0">
-        <ListView fx:id="left" id="left" prefHeight="318.0" prefWidth="311.0" />
-        <ListView fx:id="right" id="right" prefHeight="318.0" prefWidth="321.0" />
+        <VBox>
+            <Label fx:id="leftPathLabel"/>
+            <ListView fx:id="leftPane" prefHeight="318.0" prefWidth="311.0"/>
+        </VBox>
+
+        <VBox>
+            <Label fx:id="rightPathLabel"/>
+            <ListView fx:id="rightPane" prefHeight="318.0" prefWidth="321.0"/>
+        </VBox>
     </HBox>
+
     <HBox spacing="10.0">
-        <Button fx:id="copy" mnemonicParsing="false" text="Copy" />
-        <Button fx:id="move" mnemonicParsing="false" text="Move" />
-        <Button fx:id="delete" mnemonicParsing="false" text="Delete" />
+        <Button fx:id="btnCopy" text="Copy"/>
+        <Button fx:id="btnMove" text="Move"/>
+        <Button fx:id="btnDelete" text="Delete"/>
     </HBox>
-</VBox>
+
+</VBox>