feat: Implemented rooms

src/main/java/cz/jzitnik/controllers/ClassroomDetailController.java

@@ -0,0 +1,128 @@
+package cz.jzitnik.controllers;
+
+import cz.jzitnik.router.Route;
+import cz.jzitnik.router.Router;
+import cz.jzitnik.query.QueryOptions;
+import io.github.tomhula.jecnaapi.data.room.Room;
+import javafx.application.Platform;
+import javafx.fxml.FXML;
+import javafx.scene.control.*;
+import javafx.scene.layout.*;
+
+import java.util.Map;
+
+@Route(path = "/classroom_detail", fxml = "/classroom_detail.fxml")
+public class ClassroomDetailController extends DashboardBaseController {
+
+    @FXML
+    private ProgressIndicator loadingIndicator;
+
+    @FXML
+    private ScrollPane scrollPane;
+
+    @FXML
+    private Label headerNameLabel;
+
+    @FXML
+    private GridPane detailsGrid;
+
+    @FXML
+    private GridPane timetableGrid;
+
+    private String roomCode;
+
+    @Override
+    public void onNavigate(Map<String, Object> props) {
+        super.onNavigate(props);
+        
+        roomCode = (String) props.get("code");
+        if (roomCode == null || roomCode.isEmpty()) {
+            onBack();
+            return;
+        }
+        
+        loadRoom();
+    }
+
+    private void loadRoom() {
+        loadingIndicator.setVisible(true);
+        scrollPane.setVisible(false);
+        detailsGrid.getChildren().clear();
+
+        appState.getQueryClient().fetch("room:" + roomCode, () -> {
+            try {
+                return appState.getClient().getRoom(roomCode).join();
+            } catch (Exception e) {
+                e.printStackTrace();
+                return null;
+            }
+        }, QueryOptions.defaultOptions()).thenAccept(result -> {
+            Platform.runLater(() -> {
+                loadingIndicator.setVisible(false);
+                
+                if (result.isSuccess() && result.getData().isPresent()) {
+                    renderRoom(result.getData().get());
+                    scrollPane.setVisible(true);
+                } else {
+                    headerNameLabel.setText("Chyba");
+                    detailsGrid.add(new Label("Failed to load room details."), 0, 0);
+                    scrollPane.setVisible(true);
+                }
+            });
+        });
+    }
+
+    private void renderRoom(Room room) {
+        headerNameLabel.setText(room.getName());
+        
+        int row = 0;
+        row = addDetailRow("Název", room.getName(), row);
+        row = addDetailRow("Kód", room.getRoomCode(), row);
+        row = addDetailRow("Patro", room.getFloor(), row);
+        row = addDetailRow("Domovská učebna pro", room.getHomeroomOf(), row);
+        
+        if (room.getManager() != null) {
+            Hyperlink managerLink = new Hyperlink(room.getManager().getFullName());
+            managerLink.getStyleClass().add("teacher-link");
+            managerLink.setOnAction(e -> {
+                Router.getInstance().navigate("/teacher_profile", Map.of("tag", room.getManager().getTag()));
+            });
+            detailsGrid.add(new Label("Správce:"), 0, row);
+            detailsGrid.add(managerLink, 1, row++);
+        }
+
+        if (timetableGrid != null) {
+            if (room.getTimetable() != null) {
+                cz.jzitnik.util.TimetableRenderer.renderTimetable(timetableGrid, room.getTimetable());
+            } else {
+                timetableGrid.getChildren().clear();
+                timetableGrid.getColumnConstraints().clear();
+                timetableGrid.getRowConstraints().clear();
+            }
+        }
+    }
+
+    private int addDetailRow(String labelText, String value, int row) {
+        if (value == null || value.isBlank()) {
+            return row;
+        }
+
+        Label lbl = new Label(labelText + ":");
+        lbl.getStyleClass().add("text-muted");
+        
+        Label val = new Label(value);
+        val.getStyleClass().addAll("text-light", "text-bold");
+        val.setWrapText(true);
+
+        detailsGrid.add(lbl, 0, row);
+        detailsGrid.add(val, 1, row);
+        
+        return row + 1;
+    }
+
+    @FXML
+    @Override
+    protected void onBack() {
+        Router.getInstance().navigate("/classrooms");
+    }
+}

src/main/java/cz/jzitnik/controllers/ClassroomsController.java

@@ -0,0 +1,121 @@
+package cz.jzitnik.controllers;
+
+import cz.jzitnik.router.Route;
+import cz.jzitnik.router.Router;
+import cz.jzitnik.query.QueryOptions;
+import io.github.tomhula.jecnaapi.data.room.RoomReference;
+import io.github.tomhula.jecnaapi.data.room.RoomsPage;
+import javafx.application.Platform;
+import javafx.fxml.FXML;
+import javafx.geometry.Pos;
+import javafx.scene.control.*;
+import javafx.scene.layout.*;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Route(path = "/classrooms", fxml = "/classrooms.fxml")
+public class ClassroomsController extends DashboardBaseController {
+
+    @FXML
+    private ProgressIndicator loadingIndicator;
+
+    @FXML
+    private ScrollPane scrollPane;
+
+    @FXML
+    private FlowPane classroomsFlow;
+
+    @FXML
+    private TextField searchField;
+
+    private List<RoomReference> allRooms = new ArrayList<>();
+
+    @Override
+    public void onNavigate(Map<String, Object> props) {
+        super.onNavigate(props);
+        
+        searchField.textProperty().addListener((obs, oldVal, newVal) -> {
+            filterRooms(newVal);
+        });
+        
+        loadRooms();
+    }
+
+    private void loadRooms() {
+        loadingIndicator.setVisible(true);
+        scrollPane.setVisible(false);
+        classroomsFlow.getChildren().clear();
+
+        appState.getQueryClient().fetch("rooms:page", () -> {
+            try {
+                return appState.getClient().getRoomsPage().join();
+            } catch (Exception e) {
+                e.printStackTrace();
+                return null;
+            }
+        }, QueryOptions.defaultOptions()).thenAccept(result -> {
+            Platform.runLater(() -> {
+                loadingIndicator.setVisible(false);
+                
+                if (result.isSuccess() && result.getData().isPresent()) {
+                    RoomsPage page = result.getData().get();
+                    allRooms = new ArrayList<>(page.getRoomReferences());
+                    // Sort by name
+                    allRooms.sort((r1, r2) -> r1.getName().compareToIgnoreCase(r2.getName()));
+                    filterRooms(searchField.getText());
+                    scrollPane.setVisible(true);
+                } else {
+                    Label errorLabel = new Label("Failed to load rooms.");
+                    errorLabel.getStyleClass().addAll("text-danger", "title-3");
+                    classroomsFlow.getChildren().add(errorLabel);
+                    scrollPane.setVisible(true);
+                }
+            });
+        });
+    }
+
+    private void filterRooms(String query) {
+        classroomsFlow.getChildren().clear();
+        
+        String lowerQuery = query == null ? "" : query.toLowerCase();
+        
+        List<RoomReference> filtered = allRooms.stream()
+            .filter(r -> r.getName().toLowerCase().contains(lowerQuery) || r.getRoomCode().toLowerCase().contains(lowerQuery))
+            .toList();
+
+        if (filtered.isEmpty()) {
+            Label empty = new Label("Nenalezena žádná učebna.");
+            empty.getStyleClass().addAll("text-muted", "title-3");
+            classroomsFlow.getChildren().add(empty);
+            return;
+        }
+
+        for (RoomReference room : filtered) {
+            VBox card = new VBox(5);
+            card.setAlignment(Pos.CENTER);
+            card.getStyleClass().addAll("card", "classroom-card");
+
+            Label nameLbl = new Label(room.getName());
+            nameLbl.getStyleClass().addAll("title-4", "text-light");
+            
+            Label codeLbl = new Label(room.getRoomCode());
+            codeLbl.getStyleClass().addAll("text-muted");
+
+            card.getChildren().addAll(nameLbl, codeLbl);
+            
+            card.setOnMouseClicked(e -> {
+                Router.getInstance().navigate("/classroom_detail", Map.of("code", room.getRoomCode()));
+            });
+
+            classroomsFlow.getChildren().add(card);
+        }
+    }
+
+    @FXML
+    protected void onBackToDashboard() {
+        Router.getInstance().navigate("/dashboard");
+    }
+}

src/main/java/cz/jzitnik/controllers/DashboardBaseController.java

@@ -33,7 +33,7 @@ public class DashboardBaseController implements Routable {
     protected void onNavigateToTeachers() { Router.getInstance().navigate("/teachers"); }
 
     @FXML
-    protected void onNavigateToRooms() { Router.getInstance().navigate("/rooms"); }
+    protected void onNavigateToClassrooms() { Router.getInstance().navigate("/classrooms"); }
 
     @FXML
     protected void onNavigateToAbsences() { Router.getInstance().navigate("/absences"); }

src/main/java/cz/jzitnik/util/TimetableRenderer.java

@@ -187,8 +187,14 @@ public class TimetableRenderer {
                 grid.add(teacherLbl, 1, row++);
             }
             if (lesson.getClassroom() != null) {
+                Hyperlink roomLink = new Hyperlink(lesson.getClassroom());
+                roomLink.getStyleClass().addAll("teacher-link");
+                roomLink.setOnAction(e -> {
+                    dialog.close();
+                    Router.getInstance().navigate("/classroom_detail", Map.of("code", lesson.getClassroom()));
+                });
                 grid.add(new Label("Učebna:"), 0, row);
-                grid.add(new Label(lesson.getClassroom()), 1, row++);
+                grid.add(roomLink, 1, row++);
             }
             if (lesson.getGroup() != null) {
                 grid.add(new Label("Skupina:"), 0, row);

src/main/resources/classroom_detail.fxml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ProgressIndicator?>
+<?import javafx.scene.control.ScrollPane?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.StackPane?>
+<?import javafx.scene.layout.VBox?>
+
+<BorderPane xmlns="http://javafx.com/javafx/21" xmlns:fx="http://javafx.com/fxml/1"
+            fx:controller="cz.jzitnik.controllers.ClassroomDetailController"
+            style="-fx-background-color: linear-gradient(#0f1724, #071023);"
+            stylesheets="@styles/classrooms.css">
+
+    <top>
+        <HBox spacing="15" alignment="CENTER_LEFT" style="-fx-background-color: rgba(255, 255, 255, 0.05); -fx-padding: 15 25;">
+            <Button text="← Zpět" onAction="#onBack" styleClass="flat, small" />
+            <Label fx:id="headerNameLabel" text="Učebna" styleClass="title-2, text-light" />
+        </HBox>
+    </top>
+
+    <center>
+        <StackPane>
+            <ProgressIndicator fx:id="loadingIndicator" maxWidth="50" maxHeight="50" />
+            
+            <ScrollPane fx:id="scrollPane" fitToWidth="true" style="-fx-background: transparent; -fx-background-color: transparent;" visible="false">
+                <StackPane alignment="TOP_CENTER">
+                    <padding>
+                        <Insets top="30" right="30" bottom="30" left="30"/>
+                    </padding>
+                    
+                    <VBox spacing="25" alignment="TOP_CENTER" maxWidth="1000">
+                        
+                        <GridPane fx:id="detailsGrid" hgap="20" vgap="15" styleClass="classroom-details-grid" maxWidth="800">
+                            <columnConstraints>
+                                <javafx.scene.layout.ColumnConstraints minWidth="150" halignment="RIGHT" />
+                                <javafx.scene.layout.ColumnConstraints hgrow="ALWAYS" />
+                            </columnConstraints>
+                        </GridPane>
+
+                        <VBox spacing="10" alignment="TOP_CENTER" styleClass="classroom-timetable-container">
+                            <Label text="Rozvrh učebny" styleClass="title-2, text-light" />
+                            <ScrollPane vbarPolicy="NEVER" hbarPolicy="AS_NEEDED" fitToHeight="true" fitToWidth="true" style="-fx-background: transparent; -fx-background-color: transparent;">
+                                <GridPane fx:id="timetableGrid" hgap="10" vgap="10" alignment="CENTER" />
+                            </ScrollPane>
+                        </VBox>
+                        
+                    </VBox>
+                </StackPane>
+            </ScrollPane>
+        </StackPane>
+    </center>
+
+</BorderPane>

src/main/resources/classrooms.fxml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ProgressIndicator?>
+<?import javafx.scene.control.ScrollPane?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.FlowPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.StackPane?>
+
+<BorderPane xmlns="http://javafx.com/javafx/21" xmlns:fx="http://javafx.com/fxml/1"
+            fx:controller="cz.jzitnik.controllers.ClassroomsController"
+            style="-fx-background-color: linear-gradient(#0f1724, #071023);"
+            stylesheets="@styles/classrooms.css">
+
+    <top>
+        <HBox spacing="15" alignment="CENTER_LEFT" style="-fx-background-color: rgba(255, 255, 255, 0.05); -fx-padding: 15 25;">
+            <Button text="← Zpět" onAction="#onBackToDashboard" styleClass="flat, small" />
+            <Label text="Učebny" styleClass="title-2, text-light" />
+            <Region HBox.hgrow="ALWAYS" />
+            <TextField fx:id="searchField" promptText="Hledat učebnu..." styleClass="search-field" />
+        </HBox>
+    </top>
+
+    <center>
+        <StackPane>
+            <ProgressIndicator fx:id="loadingIndicator" maxWidth="50" maxHeight="50" />
+            
+            <ScrollPane fx:id="scrollPane" fitToWidth="true" style="-fx-background: transparent; -fx-background-color: transparent;" visible="false">
+                <StackPane alignment="TOP_CENTER">
+                    <padding>
+                        <Insets top="20" right="30" bottom="30" left="30"/>
+                    </padding>
+                    <FlowPane fx:id="classroomsFlow" hgap="15" vgap="15" alignment="CENTER" maxWidth="900" />
+                </StackPane>
+            </ScrollPane>
+        </StackPane>
+    </center>
+
+</BorderPane>

src/main/resources/dashboard_modern.fxml

@@ -42,7 +42,7 @@
             <Button text="Učitelé" GridPane.rowIndex="0" GridPane.columnIndex="2" onAction="#onNavigateToTeachers" styleClass="card"/>
 
             <!-- Row 1 -->
-            <Button text="Učebny" GridPane.rowIndex="1" GridPane.columnIndex="0" onAction="#onDoNothing" styleClass="card"/>
+            <Button text="Učebny" GridPane.rowIndex="1" GridPane.columnIndex="0" onAction="#onNavigateToClassrooms" styleClass="card"/>
             <Button text="Absence" GridPane.rowIndex="1" GridPane.columnIndex="1" onAction="#onNavigateToAbsences" styleClass="card"/>
             <Button text="Mimořádný rozvrh" GridPane.rowIndex="1" GridPane.columnIndex="2" onAction="#onDoNothing" styleClass="card"/>
 

src/main/resources/rooms.fxml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.ProgressIndicator?>
+<?import javafx.scene.control.ScrollPane?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.FlowPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.StackPane?>
+
+<BorderPane xmlns="http://javafx.com/javafx/21" xmlns:fx="http://javafx.com/fxml/1"
+            fx:controller="cz.jzitnik.controllers.RoomsController"
+            style="-fx-background-color: linear-gradient(#0f1724, #071023);"
+            stylesheets="@styles/rooms.css">
+
+    <top>
+        <HBox spacing="15" alignment="CENTER_LEFT" style="-fx-background-color: rgba(255, 255, 255, 0.05); -fx-padding: 15 25;">
+            <Button text="← Zpět" onAction="#onBackToDashboard" styleClass="flat, small" />
+            <Label text="Učebny" styleClass="title-2, text-light" />
+            <Region HBox.hgrow="ALWAYS" />
+            <TextField fx:id="searchField" promptText="Hledat učebnu..." styleClass="search-field" />
+        </HBox>
+    </top>
+
+    <center>
+        <StackPane>
+            <ProgressIndicator fx:id="loadingIndicator" maxWidth="50" maxHeight="50" />
+            
+            <ScrollPane fx:id="scrollPane" fitToWidth="true" style="-fx-background: transparent; -fx-background-color: transparent;" visible="false">
+                <StackPane alignment="TOP_CENTER">
+                    <padding>
+                        <Insets top="20" right="30" bottom="30" left="30"/>
+                    </padding>
+                    <FlowPane fx:id="roomsFlow" hgap="15" vgap="15" alignment="CENTER" maxWidth="900" />
+                </StackPane>
+            </ScrollPane>
+        </StackPane>
+    </center>
+
+</BorderPane>

src/main/resources/styles/classrooms.css

@@ -0,0 +1,25 @@
+.classroom-card {
+    -fx-min-width: 220px;
+    -fx-min-height: 100px;
+    -fx-background-color: rgba(30, 40, 56, 0.7);
+    -fx-border-color: rgba(255, 255, 255, 0.05);
+    -fx-border-radius: 8px;
+    -fx-background-radius: 8px;
+    -fx-padding: 15px 20px;
+    -fx-cursor: hand;
+    -fx-alignment: center;
+}
+
+.classroom-card:hover {
+    -fx-background-color: rgba(45, 55, 71, 0.9);
+    -fx-border-color: rgba(255, 255, 255, 0.15);
+    -fx-effect: dropshadow(two-pass-box, rgba(0,0,0,0.3), 8, 0.0, 0, 3);
+}
+
+.classroom-details-grid {
+    -fx-background-color: rgba(255, 255, 255, 0.03);
+    -fx-padding: 25px;
+    -fx-background-radius: 12px;
+    -fx-border-color: rgba(255, 255, 255, 0.05);
+    -fx-border-radius: 12px;
+}