import { Component, OnInit, Input } from '@angular/core';
import { Router } from '@angular/router'

@Component({
    selector: 'app-bar-menu',
    templateUrl: './bar-menu.component.html',
    styleUrls: ['./bar-menu.component.scss']
})
export class BarMenuComponent implements OnInit {

    @Input() data: Array<any>;
    constructor(
        private router: Router
    ) { }

    ngOnInit() {
    }

    /**
   * 判断是否有子节点
   * @param item 
   */
    isLeaf(item: any) {
        return !item.children || !item.children.length;
    }

    /**
     * 菜单点击事件
     * @param item 
     */
    itemClicked(item: any) {
        if (!this.isLeaf(item)) {
            item.isExpend = !item.isExpend;
        } else {
            this.router.navigate([item.path])
        }
    }

}