Adds navigation buttons management and refactors navigation

Introduces NavigationButtonsManager to handle navigation button interactions
Renames NavigationRenderer to WeekInfoRenderer for clarity
Adds new NAV_BUTTON_CLICKED event for better separation of concerns

Improves event-driven navigation workflow

src/constants/CoreEvents.ts

@@ -13,7 +13,8 @@ export const CoreEvents = {
   VIEW_RENDERED: 'view:rendered',
   WORKWEEK_CHANGED: 'workweek:changed',
   
-  // Navigation events (4)
+  // Navigation events (5)
+  NAV_BUTTON_CLICKED: 'nav:button-clicked',
   DATE_CHANGED: 'nav:date-changed',
   NAVIGATION_COMPLETED: 'nav:navigation-completed',
   PERIOD_INFO_UPDATE: 'nav:period-info-update',

src/index.ts

@@ -12,6 +12,7 @@ import { EventRenderingService } from './renderers/EventRendererManager';
 import { GridManager } from './managers/GridManager';
 import { ScrollManager } from './managers/ScrollManager';
 import { NavigationManager } from './managers/NavigationManager';
+import { NavigationButtonsManager } from './managers/NavigationButtonsManager';
 import { ViewSelectorManager } from './managers/ViewSelectorManager';
 import { CalendarManager } from './managers/CalendarManager';
 import { DragDropManager } from './managers/DragDropManager';
@@ -38,7 +39,7 @@ import { DateColumnRenderer, type IColumnRenderer } from './renderers/ColumnRend
 import { DateEventRenderer, type IEventRenderer } from './renderers/EventRenderer';
 import { AllDayEventRenderer } from './renderers/AllDayEventRenderer';
 import { GridRenderer } from './renderers/GridRenderer';
-import { NavigationRenderer } from './renderers/NavigationRenderer';
+import { WeekInfoRenderer } from './renderers/WeekInfoRenderer';
 
 // Import utilities and services
 import { DateService } from './utils/DateService';
@@ -116,7 +117,7 @@ async function initializeCalendar(): Promise<void> {
     builder.registerType(TimeFormatter).as<TimeFormatter>();
     builder.registerType(PositionUtils).as<PositionUtils>();
     // Note: AllDayLayoutEngine is instantiated per-operation with specific dates, not a singleton
-    builder.registerType(NavigationRenderer).as<NavigationRenderer>();
+    builder.registerType(WeekInfoRenderer).as<WeekInfoRenderer>();
     builder.registerType(AllDayEventRenderer).as<AllDayEventRenderer>();
 
     builder.registerType(EventRenderingService).as<EventRenderingService>();
@@ -124,6 +125,7 @@ async function initializeCalendar(): Promise<void> {
     builder.registerType(GridManager).as<GridManager>();
     builder.registerType(ScrollManager).as<ScrollManager>();
     builder.registerType(NavigationManager).as<NavigationManager>();
+    builder.registerType(NavigationButtonsManager).as<NavigationButtonsManager>();
     builder.registerType(ViewSelectorManager).as<ViewSelectorManager>();
     builder.registerType(DragDropManager).as<DragDropManager>();
     builder.registerType(AllDayManager).as<AllDayManager>();
@@ -148,6 +150,7 @@ async function initializeCalendar(): Promise<void> {
     const dragDropManager = app.resolveType<DragDropManager>();
     const viewSelectorManager = app.resolveType<ViewSelectorManager>();
     const navigationManager = app.resolveType<NavigationManager>();
+    const navigationButtonsManager = app.resolveType<NavigationButtonsManager>();
     const edgeScrollManager = app.resolveType<EdgeScrollManager>();
     const allDayManager = app.resolveType<AllDayManager>();
     const urlManager = app.resolveType<URLManager>();

src/managers/NavigationButtonsManager.ts

@@ -0,0 +1,71 @@
+import { IEventBus } from '../types/CalendarTypes';
+import { CoreEvents } from '../constants/CoreEvents';
+
+/**
+ * NavigationButtonsManager - Manages navigation button UI and state
+ *
+ * RESPONSIBILITY:
+ * ===============
+ * This manager owns all logic related to the <swp-nav-group> UI element.
+ * It follows the principle that each functional UI element has its own manager.
+ *
+ * RESPONSIBILITIES:
+ * - Handles button clicks on swp-nav-button elements
+ * - Validates navigation actions (prev, next, today)
+ * - Emits NAV_BUTTON_CLICKED events
+ * - Manages button UI listeners
+ *
+ * EVENT FLOW:
+ * ===========
+ * User clicks button → validateAction() → emit event → NavigationManager handles navigation
+ *
+ * SUBSCRIBERS:
+ * ============
+ * - NavigationManager: Performs actual navigation logic (animations, grid updates, week calculations)
+ */
+export class NavigationButtonsManager {
+  private eventBus: IEventBus;
+  private buttonListeners: Map<Element, EventListener> = new Map();
+
+  constructor(eventBus: IEventBus) {
+    this.eventBus = eventBus;
+    this.setupButtonListeners();
+  }
+
+  /**
+   * Setup click listeners on all navigation buttons
+   */
+  private setupButtonListeners(): void {
+    const buttons = document.querySelectorAll('swp-nav-button[data-action]');
+
+    buttons.forEach(button => {
+      const clickHandler = (event: Event) => {
+        event.preventDefault();
+        const action = button.getAttribute('data-action');
+        if (action && this.isValidAction(action)) {
+          this.handleNavigation(action);
+        }
+      };
+
+      button.addEventListener('click', clickHandler);
+      this.buttonListeners.set(button, clickHandler);
+    });
+  }
+
+  /**
+   * Handle navigation action
+   */
+  private handleNavigation(action: string): void {
+    // Emit navigation button clicked event
+    this.eventBus.emit(CoreEvents.NAV_BUTTON_CLICKED, {
+      action: action
+    });
+  }
+
+  /**
+   * Validate if string is a valid navigation action
+   */
+  private isValidAction(action: string): boolean {
+    return ['prev', 'next', 'today'].includes(action);
+  }
+}

src/managers/NavigationManager.ts

@@ -2,12 +2,12 @@ import { IEventBus } from '../types/CalendarTypes';
 import { EventRenderingService } from '../renderers/EventRendererManager';
 import { DateService } from '../utils/DateService';
 import { CoreEvents } from '../constants/CoreEvents';
-import { NavigationRenderer } from '../renderers/NavigationRenderer';
+import { WeekInfoRenderer } from '../renderers/WeekInfoRenderer';
 import { GridRenderer } from '../renderers/GridRenderer';
 
 export class NavigationManager {
   private eventBus: IEventBus;
-  private navigationRenderer: NavigationRenderer;
+  private weekInfoRenderer: WeekInfoRenderer;
   private gridRenderer: GridRenderer;
   private dateService: DateService;
   private currentWeek: Date;
@@ -19,11 +19,11 @@ export class NavigationManager {
     eventRenderer: EventRenderingService,
     gridRenderer: GridRenderer,
     dateService: DateService,
-    navigationRenderer: NavigationRenderer
+    weekInfoRenderer: WeekInfoRenderer
   ) {
     this.eventBus = eventBus;
     this.dateService = dateService;
-    this.navigationRenderer = navigationRenderer;
+    this.weekInfoRenderer = weekInfoRenderer;
     this.gridRenderer = gridRenderer;
     this.currentWeek = this.getISOWeekStart(new Date());
     this.targetWeek = new Date(this.currentWeek);
@@ -54,17 +54,12 @@ export class NavigationManager {
     // Listen for filter changes and apply to pre-rendered grids
     this.eventBus.on(CoreEvents.FILTER_CHANGED, (e: Event) => {
       const detail = (e as CustomEvent).detail;
-      this.navigationRenderer.applyFilterToPreRenderedGrids(detail);
+      this.weekInfoRenderer.applyFilterToPreRenderedGrids(detail);
     });
 
-    // Listen for navigation button clicks
-    document.addEventListener('click', (e) => {
-      const target = e.target as HTMLElement;
-      const navButton = target.closest('[data-action]') as HTMLElement;
-
-      if (!navButton) return;
-
-      const action = navButton.dataset.action;
+    // Listen for navigation button clicks from NavigationButtonsManager
+    this.eventBus.on(CoreEvents.NAV_BUTTON_CLICKED, (event: Event) => {
+      const { action } = (event as CustomEvent).detail;
 
       switch (action) {
         case 'prev':

src/renderers/WeekInfoRenderer.ts

@@ -3,11 +3,13 @@ import { CoreEvents } from '../constants/CoreEvents';
 import { EventRenderingService } from './EventRendererManager';
 
 /**
- * NavigationRenderer - Handles DOM rendering for navigation containers
- * Separated from NavigationManager to follow Single Responsibility Principle
+ * WeekInfoRenderer - Handles DOM rendering for week info display
+ * Updates swp-week-number and swp-date-range elements
+ *
+ * Renamed from NavigationRenderer to better reflect its actual responsibility
  */
 
-export class NavigationRenderer {
+export class WeekInfoRenderer {
   private eventBus: IEventBus;
 
   constructor(eventBus: IEventBus, eventRenderer: EventRenderingService) {