Implement ToolManager.ts

frontend/src/tools/ToolManager.ts

@@ -0,0 +1,76 @@
+import { YjsDocument } from '../crdt/YjsDocument';
+import { Tool } from './Tool';
+
+interface ToolConstructor {
+  new (yjsDoc: YjsDocument): Tool;
+}
+
+class ToolManager {
+  private yjsDoc: YjsDocument;
+  private activeTool: Tool | null = null;
+  private tools: Map<string, ToolConstructor> = new Map();
+  private canvas: HTMLElement;
+
+  constructor(yjsDoc: YjsDocument, canvas: HTMLElement) {
+    this.yjsDoc = yjsDoc;
+    this.canvas = canvas;
+    this.setupEventListeners();
+  }
+
+  registerTool(name: string, toolConstructor: ToolConstructor): void {
+    this.tools.set(name, toolConstructor);
+  }
+
+  activateTool(toolName: string): void {
+    // Reset current tool if exists
+    if (this.activeTool) {
+      this.activeTool.reset();
+    }
+    
+    // Create and activate new tool
+    const ToolClass = this.tools.get(toolName);
+    if (ToolClass) {
+      this.activeTool = new ToolClass(this.yjsDoc);
+    }
+  }
+
+  deactivateTool(): void {
+    if (this.activeTool) {
+      this.activeTool.reset();
+      this.activeTool = null;
+    }
+  }
+
+  private setupEventListeners(): void {
+    this.canvas.addEventListener('mousedown', this.handleMouseDown.bind(this));
+    this.canvas.addEventListener('mousemove', this.handleMouseMove.bind(this));
+    this.canvas.addEventListener('mouseup', this.handleMouseUp.bind(this));
+    document.addEventListener('keyup', this.handleKeyUp.bind(this));
+  }
+
+  private handleMouseDown(event: MouseEvent): void {
+    if (this.activeTool) {
+      this.activeTool.onMouseDown(event);
+    }
+  }
+
+  private handleMouseMove(event: MouseEvent): void {
+    if (this.activeTool) {
+      this.activeTool.onMouseMove(event);
+    }
+  }
+
+  private handleMouseUp(event: MouseEvent): void {
+    if (this.activeTool) {
+      this.activeTool.onMouseUp(event);
+    }
+  }
+
+  private handleKeyUp(event: KeyboardEvent): void {
+    if (this.activeTool) {
+      this.activeTool.onKeyUp(event);
+    }
+  }
+}
+
+export { ToolManager };