Refactor data source and configuration management

Abstracts column data source with interface
Updates managers to use configuration-driven view and date
Decouples datasource creation from individual managers

Improves flexibility and dependency injection for calendar components

src/managers/CalendarManager.ts

@@ -16,7 +16,7 @@ export class CalendarManager {
     private eventRenderer: EventRenderingService;
     private scrollManager: ScrollManager;
     private config: Configuration;
-    private currentView: CalendarView = 'week';
+    private currentView: CalendarView;
     private currentDate: Date = new Date();
     private isInitialized: boolean = false;
 
@@ -34,6 +34,7 @@ export class CalendarManager {
         this.eventRenderer = eventRenderingService;
         this.scrollManager = scrollManager;
         this.config = config;
+        this.currentView = this.config.currentView;
         this.setupEventListeners();
     }
 

src/managers/GridManager.ts

@@ -8,7 +8,7 @@ import { CoreEvents } from '../constants/CoreEvents';
 import { CalendarView } from '../types/CalendarTypes';
 import { GridRenderer } from '../renderers/GridRenderer';
 import { DateService } from '../utils/DateService';
-import { DateColumnDataSource } from '../datasources/DateColumnDataSource';
+import { IColumnDataSource } from '../types/ColumnDataSource';
 import { Configuration } from '../configurations/CalendarConfig';
 import { EventManager } from './EventManager';
 
@@ -22,20 +22,21 @@ export class GridManager {
   private gridRenderer: GridRenderer;
   private dateService: DateService;
   private config: Configuration;
-  private dataSource: DateColumnDataSource;
+  private dataSource: IColumnDataSource;
   private eventManager: EventManager;
 
   constructor(
     gridRenderer: GridRenderer,
     dateService: DateService,
     config: Configuration,
-    eventManager: EventManager
+    eventManager: EventManager,
+    dataSource: IColumnDataSource
   ) {
     this.gridRenderer = gridRenderer;
     this.dateService = dateService;
     this.config = config;
     this.eventManager = eventManager;
-    this.dataSource = new DateColumnDataSource(dateService, config, this.currentDate, this.currentView);
+    this.dataSource = dataSource;
     this.init();
   }
 

src/managers/HeaderManager.ts

@@ -4,7 +4,7 @@ import { CoreEvents } from '../constants/CoreEvents';
 import { IHeaderRenderer, IHeaderRenderContext } from '../renderers/DateHeaderRenderer';
 import { IDragMouseEnterHeaderEventPayload, IDragMouseLeaveHeaderEventPayload, IHeaderReadyEventPayload } from '../types/EventTypes';
 import { ColumnDetectionUtils } from '../utils/ColumnDetectionUtils';
-import { DateColumnDataSource } from '../datasources/DateColumnDataSource';
+import { IColumnDataSource } from '../types/ColumnDataSource';
 
 /**
  * HeaderManager - Handles all header-related event logic
@@ -14,9 +14,9 @@ import { DateColumnDataSource } from '../datasources/DateColumnDataSource';
 export class HeaderManager {
   private headerRenderer: IHeaderRenderer;
   private config: Configuration;
-  private dataSource: DateColumnDataSource;
+  private dataSource: IColumnDataSource;
 
-  constructor(headerRenderer: IHeaderRenderer, config: Configuration, dataSource: DateColumnDataSource) {
+  constructor(headerRenderer: IHeaderRenderer, config: Configuration, dataSource: IColumnDataSource) {
     this.headerRenderer = headerRenderer;
     this.config = config;
     this.dataSource = dataSource;

src/managers/NavigationManager.ts

@@ -5,7 +5,7 @@ import { CoreEvents } from '../constants/CoreEvents';
 import { WeekInfoRenderer } from '../renderers/WeekInfoRenderer';
 import { GridRenderer } from '../renderers/GridRenderer';
 import { INavButtonClickedEventPayload } from '../types/EventTypes';
-import { DateColumnDataSource } from '../datasources/DateColumnDataSource';
+import { IColumnDataSource } from '../types/ColumnDataSource';
 import { Configuration } from '../configurations/CalendarConfig';
 
 export class NavigationManager {
@@ -14,7 +14,7 @@ export class NavigationManager {
   private gridRenderer: GridRenderer;
   private dateService: DateService;
   private config: Configuration;
-  private dataSource: DateColumnDataSource;
+  private dataSource: IColumnDataSource;
   private currentWeek: Date;
   private targetWeek: Date;
   private animationQueue: number = 0;
@@ -25,7 +25,8 @@ export class NavigationManager {
     gridRenderer: GridRenderer,
     dateService: DateService,
     weekInfoRenderer: WeekInfoRenderer,
-    config: Configuration
+    config: Configuration,
+    dataSource: IColumnDataSource
   ) {
     this.eventBus = eventBus;
     this.dateService = dateService;
@@ -34,7 +35,7 @@ export class NavigationManager {
     this.config = config;
     this.currentWeek = this.getISOWeekStart(new Date());
     this.targetWeek = new Date(this.currentWeek);
-    this.dataSource = new DateColumnDataSource(dateService, config, this.currentWeek, 'week' as CalendarView);
+    this.dataSource = dataSource;
     this.init();
   }