#FlowModel 事件流与配置化

class MyModel extends FlowModel {
  render() {
    return <Button {...this.props} />;
  }
}

MyModel.registerFlow({
  key: 'buttonSettings',
  title: '按钮设置',
  steps: {
    general: {
      title: '通用配置',
      uiSchema: {
        title: {
          type: 'string',
          title: '按钮标题',
          'x-decorator': 'FormItem',
          'x-component': 'Input',
        },
      },
      defaultParams: {
        type: 'primary',
      },
      handler(ctx, params) {
        ctx.model.setProps('children', params.title);
        ctx.model.setProps('type', params.type);
      },
    },
  },
});

<FlowModelRenderer model={model} showFlowSettings />

flowSettings.open(options: FlowSettingsOpenOptions): Promise<boolean>;
model.openFlowSettings(options?: Omit<FlowSettingsOpenOptions, 'model'>): Promise<boolean>;

interface FlowSettingsOpenOptions {
  model: FlowModel;               // 必填，所属模型实例
  preset?: boolean;               // 仅渲染标记为 preset=true 的步骤（默认 false）
  flowKey?: string;               // 指定单个 Flow
  flowKeys?: string[];            // 指定多个 Flow（当同时提供 flowKey 时被忽略）
  stepKey?: string;               // 指定单个步骤（通常与 flowKey 搭配）
  uiMode?: 'dialog' | 'drawer';   // 表单展示容器，默认 'dialog'
  onCancel?: () => void;          // 点击取消时回调
  onSaved?: () => void;           // 配置保存成功后回调
}

await model.openFlowSettings({
  flowKey: 'buttonSettings',
  uiMode: 'drawer',
  onSaved: () => {
    console.log('按钮配置已保存');
  },
});