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Timofeev_V_S_Comander #155

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be39f64
commander: test
Gomygomynomi Mar 22, 2026
817dd93
commander: fix
Gomygomynomi Mar 22, 2026
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17 changes: 4 additions & 13 deletions commander/src/main/java/hse/java/commander/CommanderApplication.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,22 +5,13 @@
import javafx.scene.Scene;
import javafx.stage.Stage;

import java.io.IOException;
import java.nio.file.Paths;

public class CommanderApplication extends Application {
@Override
public void start(Stage stage) throws IOException {
FXMLLoader fxmlLoader = new FXMLLoader(CommanderApplication.class.getResource("commander-ui.fxml"));
Scene scene = new Scene(fxmlLoader.load(), 400, 400);
MainController ctrl = fxmlLoader.getController();
String home = System.getProperty("user.home");
if (ctrl != null && home != null) {
ctrl.setInitialDirs(Paths.get(home), Paths.get(home));
}
public void start(Stage stage) throws Exception {
FXMLLoader loader = new FXMLLoader(getClass().getResource("commander-ui.fxml"));
Scene scene = new Scene(loader.load());
stage.setTitle("Commander");
stage.setScene(scene);
stage.show();
System.out.println("Hello world");
}
}
}
214 changes: 192 additions & 22 deletions commander/src/main/java/hse/java/commander/MainController.java
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Original file line number Diff line number Diff line change
@@ -1,45 +1,215 @@
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;

private ListView<Path> leftPane;
@FXML
public ListView<String> right;

private ListView<Path> rightPane;
@FXML
private Label leftPathLabel;
@FXML
private Label rightPathLabel;
@FXML
private Button btnCopy;
@FXML
private Button btnMove;
@FXML
public Button move;
private Button btnDelete;

private Path leftDir;
private Path rightDir;
private ListView<Path> focusedPane;

// for testing
public void setInitialDirs(Path leftStart, Path rightStart) {
this.leftDir = leftStart;
this.rightDir = rightStart;
if (leftStart != null) this.leftDir = leftStart;
if (rightStart != null) this.rightDir = rightStart;
refreshBoth();
}

@FXML
public void initialize() {
move.setOnMouseClicked(event -> {
if (leftDir == null) leftDir = Paths.get(System.getProperty("user.home"));
if (rightDir == null) rightDir = Paths.get(System.getProperty("user.home"));

});
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");
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);
setStyle("");
} 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();
}

private void setupPaneInteraction(ListView<Path> pane, boolean isLeft) {
pane.setOnMouseClicked(event -> {
focusedPane = pane;
if (event.getButton() == MouseButton.PRIMARY && event.getClickCount() == 2) {
Path selected = pane.getSelectionModel().getSelectedItem();
if (selected == null) return;

Path current = isLeft ? leftDir : rightDir;
if (selected.equals(current.getParent())) {
Path parent = current.getParent();
if (parent != null) {
if (isLeft) leftDir = parent;
else rightDir = parent;
refreshBoth();
}
return;
}
if (Files.isDirectory(selected)) {
if (isLeft) leftDir = selected;
else rightDir = selected;
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 {
if (Files.isDirectory(src)) {
deleteDirectory(src);
} else {
Files.deleteIfExists(src);
}
} catch (IOException e) {
showError("Delete failed", e.getMessage());
}
refreshBoth();
return;
}

Path dst = targetDir.resolve(selected.getFileName());
try {
if (op == TransferOp.COPY) {
if (Files.isDirectory(src)) {
copyDirectory(src, dst);
} else {
Files.copy(src, dst, StandardCopyOption.REPLACE_EXISTING);
}
} else if (op == TransferOp.MOVE) {
Files.move(src, dst, StandardCopyOption.REPLACE_EXISTING);
}
} catch (IOException e) {
showError(op == TransferOp.COPY ? "Copy failed" : "Move failed", e.getMessage());
}
refreshBoth();
}

private void copyDirectory(Path source, Path target) throws IOException {
try (Stream<Path> walk = Files.walk(source)) {
walk.forEach(sourcePath -> {
Path targetPath = target.resolve(source.relativize(sourcePath));
try {
if (Files.isDirectory(sourcePath)) {
Files.createDirectories(targetPath);
} else {
Files.copy(sourcePath, targetPath, StandardCopyOption.REPLACE_EXISTING);
}
} catch (IOException e) {
System.err.println("Failed to copy " + sourcePath + ": " + e.getMessage());
}
});
}
}

private void deleteDirectory(Path dir) throws IOException {
try (Stream<Path> walk = Files.walk(dir)) {
walk.sorted(Comparator.reverseOrder())
.forEach(path -> {
try {
Files.deleteIfExists(path);
} catch (IOException e) {
System.err.println("Failed to delete " + path + ": " + e.getMessage());
}
});
}
}

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)) {
stream.sorted(Comparator.comparing(p -> p.getFileName().toString().toLowerCase()))
.forEach(items::add);
} catch (IOException e) {
}
pane.setItems(items);
if (label != null) label.setText(dir.toString());
}

private void showError(String title, String message) {
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setTitle(title);
alert.setHeaderText(null);
alert.setContentText(message);
alert.showAndWait();
}
}
24 changes: 17 additions & 7 deletions commander/src/main/resources/hse/java/commander/commander-ui.fxml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,14 +3,24 @@
<?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>
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