src/app/ui/teacher/TeacherSubmissionWindow.java - master - evernotenkai/DataBaseXJavaProject

src/app/ui/teacher/TeacherSubmissionWindow.java
252 строки10 KB
Makson4ik
Весь проект с src db и прочим делом
12 май 2026, 22:43
12 май 2026, 22:43431f4aa

package app.ui.teacher;

import java.awt.Desktop;
import java.io.File;
import java.io.FileOutputStream;
import java.nio.file.Files;

import app.model.SubmissionAttachmentData;
import app.model.SubmissionItem;
import app.service.LmsService;
import app.ui.components.NumericField;
import app.ui.components.UiKit;
import app.util.Dialogs;
import app.util.HtmlUtil;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.scene.web.WebView;
import javafx.stage.FileChooser;
import javafx.stage.Modality;
import javafx.stage.Stage;

public class TeacherSubmissionWindow extends Stage {
    private final LmsService service;
    private final int submissionId;
    private final Runnable onSaved;

    private SubmissionItem item;
    private final Label courseValue = UiKit.labeled("-", "detail-value");
    private final Label assignmentValue = UiKit.labeled("-", "detail-value");
    private final Label studentValue = UiKit.labeled("-", "detail-value");
    private final Label dateValue = UiKit.labeled("-", "detail-value");
    private final Label statusChipHost = UiKit.labeled("", "detail-value");
    private final Label attachmentValue = UiKit.labeled("Вложение отсутствует", "detail-value");
    private final WebView workView = new WebView();
    private final NumericField gradeField = new NumericField(1, 100);
    private final javafx.scene.control.TextArea commentArea = new javafx.scene.control.TextArea();

    public TeacherSubmissionWindow(LmsService service, SubmissionItem item, Runnable onSaved) {
        this.service = service;
        this.submissionId = item.getId();
        this.onSaved = onSaved;
        this.item = item;

        initModality(Modality.NONE);
        setTitle("Проверка работы студента");
        setMinWidth(1080);
        setMinHeight(780);

        gradeField.setPromptText("1..100");

        workView.setPrefHeight(320);
        VBox.setVgrow(workView, Priority.ALWAYS);

        commentArea.setWrapText(true);
        commentArea.setPrefRowCount(6);
        VBox.setVgrow(commentArea, Priority.ALWAYS);

        VBox details = UiKit.card(
                UiKit.section("Сведения о работе"),
                UiKit.subtitle("Работа открывается в отдельном окне для удобной проверки."),
                infoGrid(),
                UiKit.card(
                        UiKit.section("Текст / HTML работы"),
                        UiKit.subtitle("Если студент использовал форматирование, документ отображается как страница."),
                        workView
                ),
                attachmentCard()
        );

        VBox grading = UiKit.card(
                UiKit.section("Проверка и оценка"),
                UiKit.subtitle("Измени оценку или комментарий и сохрани результат."),
                UiKit.fieldBox("Оценка", gradeField, "Ввод только цифрами: 1..100"),
                UiKit.fieldBox("Комментарий преподавателя", commentArea, "Коротко опиши результат и замечания")
        );

        Button save = UiKit.primaryButton("Сохранить");
        Button refresh = UiKit.secondaryButton("Обновить");
        Button closeBtn = UiKit.ghostButton("Закрыть");

        save.setOnAction(e -> {
            try {
                Integer gradeValue = gradeField.getIntValue();
                if (gradeValue == null) {
                    Dialogs.info("Проверка", "Укажи оценку от 1 до 100.");
                    return;
                }
                service.upsertGrade(submissionId, gradeValue.intValue(), commentArea.getText());
                reload();
                if (onSaved != null) {
                    onSaved.run();
                }
                Dialogs.info("Проверка", "Оценка сохранена.");
            } catch (Exception ex) {
                Dialogs.error("Ошибка проверки", ex);
            }
        });

        refresh.setOnAction(e -> reload());
        closeBtn.setOnAction(e -> close());

        HBox buttons = new HBox(10, save, refresh, closeBtn);
        buttons.setAlignment(Pos.CENTER_LEFT);

        grading.getChildren().add(buttons);
        HBox.setHgrow(details, Priority.ALWAYS);
        HBox.setHgrow(grading, Priority.NEVER);

        HBox root = new HBox(16, details, grading);
        root.setPadding(new Insets(18));
        root.setAlignment(Pos.TOP_LEFT);

        Scene scene = new Scene(root, 1080, 780);
        scene.getStylesheets().add(getClass().getClassLoader().getResource("app.css").toExternalForm());
        setScene(scene);

        reload();
    }

    private VBox attachmentCard() {
        Button openAttachmentBtn = UiKit.ghostButton("Открыть вложение");
        Button saveAttachmentBtn = UiKit.ghostButton("Сохранить как");
        openAttachmentBtn.setOnAction(e -> openAttachment());
        saveAttachmentBtn.setOnAction(e -> saveAttachmentAs());

        HBox row = new HBox(10, attachmentValue, openAttachmentBtn, saveAttachmentBtn);
        row.setAlignment(Pos.CENTER_LEFT);

        return UiKit.card(
                UiKit.section("Вложение"),
                UiKit.subtitle("Файл студента можно открыть или сохранить на диск."),
                row
        );
    }

    private javafx.scene.layout.GridPane infoGrid() {
        javafx.scene.layout.GridPane grid = new javafx.scene.layout.GridPane();
        grid.setHgap(14);
        grid.setVgap(10);
        grid.add(UiKit.labeled("Курс", "detail-line"), 0, 0);
        grid.add(courseValue, 1, 0);
        grid.add(UiKit.labeled("Задание", "detail-line"), 0, 1);
        grid.add(assignmentValue, 1, 1);
        grid.add(UiKit.labeled("Студент", "detail-line"), 0, 2);
        grid.add(studentValue, 1, 2);
        grid.add(UiKit.labeled("Дата сдачи", "detail-line"), 0, 3);
        grid.add(dateValue, 1, 3);
        grid.add(UiKit.labeled("Статус", "detail-line"), 0, 4);
        grid.add(statusChipHost, 1, 4);
        return grid;
    }

    private void reload() {
        SubmissionItem fresh = service.findSubmissionById(submissionId);
        if (fresh == null) {
            Dialogs.info("Проверка", "Работа не найдена.");
            close();
            return;
        }
        this.item = fresh;
        courseValue.setText(fresh.getCourseName());
        assignmentValue.setText(fresh.getAssignmentTitle());
        studentValue.setText(fresh.getStudentName());
        dateValue.setText(fresh.getSubmissionDate());
        statusChipHost.setGraphic(UiKit.chip(fresh.getStatus(), UiKit.statusClass(fresh.getStatus())));
        workView.getEngine().loadContent(HtmlUtil.wrapHtml(fresh.getContentNote()));
        gradeField.setIntValue(fresh.getGradeValue());
        commentArea.setText(fresh.getTeacherComment() == null ? "" : fresh.getTeacherComment());
        attachmentValue.setText(fresh.getAttachmentName() == null ? "Вложение отсутствует" : fresh.getAttachmentName());
    }

    private void openAttachment() {
        try {
            SubmissionAttachmentData attachment = service.findSubmissionAttachment(submissionId);
            if (attachment == null || !attachment.hasData()) {
                Dialogs.info("Вложение", "У этой работы нет файла.");
                return;
            }
            File tmp = saveAttachmentToTemp(attachment);
            if (Desktop.isDesktopSupported()) {
                Desktop.getDesktop().open(tmp);
            } else {
                Dialogs.info("Вложение", "Файл сохранён: " + tmp.getAbsolutePath());
            }
        } catch (Exception ex) {
            Dialogs.error("Вложение", ex);
        }
    }

    private void saveAttachmentAs() {
        try {
            SubmissionAttachmentData attachment = service.findSubmissionAttachment(submissionId);
            if (attachment == null || !attachment.hasData()) {
                Dialogs.info("Вложение", "У этой работы нет файла.");
                return;
            }
            FileChooser chooser = new FileChooser();
            String name = attachment.getFileName() == null ? "attachment.bin" : attachment.getFileName();
            chooser.setInitialFileName(name);
            File file = chooser.showSaveDialog(this);
            if (file == null) {
                return;
            }
            Files.write(file.toPath(), attachment.getData());
            Dialogs.info("Вложение", "Файл сохранён.");
        } catch (Exception ex) {
            Dialogs.error("Вложение", ex);
        }
    }


    public static void saveAndOpenAttachment(SubmissionAttachmentData attachment, String prefix) throws Exception {
        if (attachment == null || !attachment.hasData()) {
            return;
        }
        String name = attachment.getFileName() == null ? prefix + "-attachment.bin" : attachment.getFileName();
        String suffix = "";
        int dot = name.lastIndexOf('.');
        if (dot >= 0 && dot < name.length() - 1) {
            suffix = name.substring(dot);
        }
        File temp = File.createTempFile(prefix + "-", suffix.isEmpty() ? ".tmp" : suffix);
        temp.deleteOnExit();
        try (FileOutputStream out = new FileOutputStream(temp)) {
            out.write(attachment.getData());
        }
        if (Desktop.isDesktopSupported()) {
            Desktop.getDesktop().open(temp);
        }
    }

    private File saveAttachmentToTemp(SubmissionAttachmentData attachment) throws Exception {
        String name = attachment.getFileName() == null ? "submission-attachment.bin" : attachment.getFileName();
        String suffix = "";
        int dot = name.lastIndexOf('.');
        if (dot >= 0 && dot < name.length() - 1) {
            suffix = name.substring(dot);
        }
        File temp = File.createTempFile("mini-lms-", suffix.isEmpty() ? ".tmp" : suffix);
        temp.deleteOnExit();
        try (FileOutputStream out = new FileOutputStream(temp)) {
            out.write(attachment.getData());
        }
        return temp;
    }
}