ai-diff-preview/src/render/statusBar.ts

/**
 * 状态栏管理器 - 显示 Diff 状态信息
 */

import * as vscode from 'vscode';
import { Snapshot } from '../models/types';
import { STATUS_BAR_PRIORITY } from '../models/constants';

export class StatusBarManager {
  private statusBarItem: vscode.StatusBarItem;
  private chunkCountItem: vscode.StatusBarItem;

  constructor() {
    this.statusBarItem = vscode.window.createStatusBarItem(
      vscode.StatusBarAlignment.Left,
      STATUS_BAR_PRIORITY.DIFF_STATUS
    );

    this.chunkCountItem = vscode.window.createStatusBarItem(
      vscode.StatusBarAlignment.Left,
      STATUS_BAR_PRIORITY.CHUNK_COUNT
    );
  }

  /**
   * 更新状态栏
   */
  update(snapshot: Snapshot): void {
    const pendingChunks = snapshot.chunks.filter(c => c.status === 'pending');
    const conflictChunks = snapshot.chunks.filter(c => c.status === 'conflict');

    // 更新主状态
    this.statusBarItem.text = '$(diff) AI Diff';
    this.statusBarItem.tooltip = 'AI Diff Preview 活跃';
    this.statusBarItem.show();

    // 更新变更块数量
    if (pendingChunks.length > 0 || conflictChunks.length > 0) {
      this.chunkCountItem.text = `$(edit) ${pendingChunks.length} 个变更`;
      if (conflictChunks.length > 0) {
        this.chunkCountItem.text += ` (${conflictChunks.length} 个冲突)`;
        this.chunkCountItem.backgroundColor = new vscode.ThemeColor(
          'statusBarItem.warningBackground'
        );
      } else {
        this.chunkCountItem.backgroundColor = undefined;
      }
      this.chunkCountItem.tooltip = '点击查看变更详情';
      this.chunkCountItem.show();
    } else {
      this.chunkCountItem.hide();
    }
  }

  /**
   * 清除状态栏
   */
  clear(): void {
    this.statusBarItem.hide();
    this.chunkCountItem.hide();
  }

  /**
   * 释放资源
   */
  dispose(): void {
    this.statusBarItem.dispose();
    this.chunkCountItem.dispose();
  }
}