src/app/ui/screens/AppShell.java - master - evernotenkai/DataBaseXJavaProject

src/app/ui/screens/AppShell.java
187 строк7 KB
Makson4ik
Весь проект с src db и прочим делом
12 май 2026, 22:43
12 май 2026, 22:43431f4aa
package app.ui.screens;

import java.lang.reflect.Method;
import java.util.LinkedHashMap;
import java.util.Map;

import app.model.UserSession;
import app.ui.components.UiKit;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Region;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;

public class AppShell extends BorderPane {
    private final BorderPane sidebarPane = new BorderPane();
    private final VBox topBox = new VBox(12);
    private final VBox navBox = new VBox(8);
    private final StackPane contentPane = new StackPane();
    private final Map<String, Button> buttons = new LinkedHashMap<String, Button>();
    private final UserSession session;
    private final Runnable logoutHandler;
    private String firstKey;
    private String activeKey;

    public AppShell(String subtitle, UserSession session, Runnable logoutHandler) {
        this.session = session;
        this.logoutHandler = logoutHandler;
        getStyleClass().add("app-shell");
        buildSidebar(subtitle);
        contentPane.setMinSize(0, 0);
        ScrollPane scroll = new ScrollPane(contentPane);
        scroll.setFitToWidth(true);
        scroll.setFitToHeight(false);
        scroll.getStyleClass().add("content-scroll");
        setLeft(sidebarPane);
        setCenter(scroll);
    }

    private void buildSidebar(String subtitle) {
        sidebarPane.getStyleClass().add("sidebar");
        sidebarPane.setPadding(new Insets(18, 16, 18, 16));
        sidebarPane.setMinWidth(252);
        sidebarPane.setPrefWidth(284);

        topBox.getChildren().clear();
        navBox.getChildren().clear();
        topBox.getStyleClass().add("sidebar-top");
        navBox.getStyleClass().add("nav-box");
        navBox.setAlignment(Pos.TOP_LEFT);

        VBox brand = new VBox(4);
        brand.getChildren().add(UiKit.title("Mini LMS"));
        brand.getChildren().add(UiKit.subtitle(subtitle));
        topBox.getChildren().add(brand);

        String displayName = resolveDisplayName();

        Label avatar = new Label(initials(displayName));
        avatar.getStyleClass().add("profile-avatar");

        VBox profileInfo = new VBox(4);
        profileInfo.getChildren().add(UiKit.labeled(displayName, "profile-name"));
        profileInfo.getChildren().add(UiKit.labeled("Логин: " + session.getLogin(), "profile-login"));
        profileInfo.getChildren().add(UiKit.labeled("Роль доступа: " + session.getRoleLabel(), "profile-login"));

        VBox profileContent = new VBox(10);
        profileContent.getChildren().add(new javafx.scene.layout.HBox(12, avatar, profileInfo));

        VBox userCard = UiKit.card(profileContent);
        userCard.getStyleClass().add("profile-card");
        topBox.getChildren().add(userCard);

        topBox.getChildren().add(UiKit.labeled("Разделы", "sidebar-label"));
        topBox.getChildren().add(navBox);
        VBox.setVgrow(navBox, javafx.scene.layout.Priority.ALWAYS);

        sidebarPane.setTop(topBox);

        Button logout = UiKit.secondaryButton("Выйти из аккаунта");
        logout.setMaxWidth(Double.MAX_VALUE);
        logout.setOnAction(e -> {
            if (logoutHandler != null) logoutHandler.run();
        });
        VBox bottom = new VBox(logout);
        bottom.setSpacing(10);
        bottom.getStyleClass().add("sidebar-bottom");
        sidebarPane.setBottom(bottom);
        BorderPane.setMargin(bottom, new Insets(14, 0, 0, 0));
    }

    private String resolveDisplayName() {
        String fullName = session.getFullName();
        String role = session.getRole();
        if (fullName == null || fullName.trim().isEmpty()) {
            if ("admin".equalsIgnoreCase(role)) return "Администратор системы";
            if ("teacher".equalsIgnoreCase(role)) return "Преподаватель";
            if ("student".equalsIgnoreCase(role)) return "Студент";
            return session.getLogin() == null ? "Пользователь" : session.getLogin();
        }
        String normalized = fullName.trim().toLowerCase();
        if ("admin".equalsIgnoreCase(role) && (normalized.equals("администратор") || normalized.equals("administrator") || normalized.equals("admin"))) {
            return "Администратор системы";
        }
        if ("teacher".equalsIgnoreCase(role) && (normalized.equals("преподаватель") || normalized.equals("teacher"))) {
            return "Преподаватель";
        }
        if ("student".equalsIgnoreCase(role) && (normalized.equals("студент") || normalized.equals("student"))) {
            return "Студент";
        }
        return fullName;
    }

    private String roleChipClass(String role) {
        if (role == null) return "chip-gray";
        if ("admin".equalsIgnoreCase(role)) return "chip-violet";
        if ("teacher".equalsIgnoreCase(role)) return "chip-blue";
        if ("student".equalsIgnoreCase(role)) return "chip-green";
        return "chip-gray";
    }

    private String initials(String value) {
        if (value == null || value.trim().isEmpty()) {
            return "?";
        }
        String[] parts = value.trim().split("\\s+");
        if (parts.length == 1) {
            return parts[0].substring(0, Math.min(2, parts[0].length())).toUpperCase();
        }
        String a = parts[0].substring(0, 1);
        String b = parts[1].substring(0, 1);
        return (a + b).toUpperCase();
    }

    public void addNav(final String key, String text, final Node view) {
        if (firstKey == null) firstKey = key;
        final Button button = UiKit.navButton(text);
        buttons.put(key, button);
        button.setOnAction(e -> show(key, view));
        navBox.getChildren().add(button);
        if (contentPane.getChildren().isEmpty()) {
            show(key, view);
        }
    }

    public void finishSidebar() {
        if (firstKey != null && activeKey == null && buttons.containsKey(firstKey)) {
            Button b = buttons.get(firstKey);
            b.fire();
        }
    }

    private void show(String key, Node view) {
        activeKey = key;
        for (Button button : buttons.values()) {
            button.getStyleClass().remove("nav-button-active");
        }
        Button active = buttons.get(key);
        if (active != null && !active.getStyleClass().contains("nav-button-active")) {
            active.getStyleClass().add("nav-button-active");
        }
        refreshIfSupported(view);
        contentPane.getChildren().setAll(view);
        if (view instanceof Region) {
            ((Region) view).setMaxWidth(Double.MAX_VALUE);
            ((Region) view).setMinWidth(0);
        }
        StackPane.setMargin(view, new Insets(0));
    }

    private void refreshIfSupported(Node view) {
        try {
            Method refresh = view.getClass().getMethod("refresh");
            refresh.setAccessible(true);
            refresh.invoke(view);
        } catch (NoSuchMethodException e) {
            // view doesn't expose refresh()
        } catch (Exception e) {
            throw new RuntimeException("Не удалось обновить экран " + view.getClass().getSimpleName(), e);
        }
    }
}