allstar/assets/scripts/friendlist/FriendList.js

const FriendSystemApi = require('../net/FriendSystemApi');
const ListViewAdapter = require('ListViewAdpater');

cc.Class({
    extends: cc.Component,

    properties: {

        item: cc.Prefab,

        itemScriptName: '',

        scrollView: cc.ScrollView,

        content: cc.Node,

        tipLabel: cc.Label,

        // 0是好友列表, 1是推荐好友
        tab: 0,

        items: [],

        /**
         * 发送添加好友之后的Toast提示
         */
        addFriendApplySended: cc.Node,

        requestDuration: 10,

        friendLastRequestTime: -1,

        recommentRequestTime: -1,

        dataList: [],

        canLoad: true,

    },

    // LIFE-CYCLE CALLBACKS:

    onLoad() {
        if (this.tab === 0) {
            GameEvent.on('refresh_friend_list', this, () => {
                this.timeline = 0;
                this.getNetworkData(true);
            });

            GameEvent.on("friend_relation_change", this, () => {
                this.timeline = 0;
                this.getNetworkData(true);
            });
        }

        this.listAdapter = new ListViewAdapter(this.scrollView);
    },

    onEnable() {
        this.timeline = 0;
        this.hasNext = 0;
        this.getNetworkData(false);
        this.canLoad = true;
    },

    getNetworkData(ignoneRequestDuration) {
        if (this.canLoad) {
            console.log('canload');
            this.canLoad = false;
            let self = this;
            if (this.tab === 0) {
                let offset = (Date.parse(new Date()) - this.friendLastRequestTime) / 1000;
                if (ignoneRequestDuration || this.friendLastRequestTime === -1 || offset > this.requestDuration) {
                    this.friendLastRequestTime = Date.parse(new Date());
                    FriendSystemApi.getFriend(this.timeline, 20, this.configData.bind(self), this.networkError.bind(self));
                }
            } else {
                let offset = (Date.parse(new Date()) - this.recommentRequestTime) / 1000;
                if (ignoneRequestDuration || this.recommentRequestTime === -1 || offset > this.requestDuration) {
                    this.recommentRequestTime = Date.parse(new Date());
                    FriendSystemApi.getFriendRecommend(this.timeline, 20, this.configData.bind(self), this.networkError.bind(self));
                }
            }
        }
    },

    networkError(error) {
        console.log(error);
        this.tipLabel.node.active = true;
        this.tipLabel.string = '网络错误';
        this.content.active = false;
        this.canLoad = true;
    },

    configData(responseData) {
        console.log('configData');

        if (this.timeline === 0) {
            this.dataList = responseData.users;
            this.layout();
        } else {
            this.listAdapter.addData(responseData.users);
        }
        this.timeline = responseData.timeline;
        this.hasNext = responseData.next;
        this.canLoad = true;
    },

    layout() {
        console.log('layout');

        if (this.dataList === undefined || this.dataList === null || this.dataList.length === 0) {
            this.tipLabel.node.active = true;
            this.tipLabel.string = this.tab === 0 ? '暂时没有好友陪你玩这个游戏，赶紧去邀请好友一起来玩吧！' : '暂时没有好友推荐';
            this.content.active = false;
        } else {
            this.tipLabel.node.active = false;
            this.content.active = true;
            this.listAdapter.updateItems(this.dataList, this.item, this.itemScriptName);
            this.listAdapter.setLoadMoreCallBack(() => {
                this.loadMore();
            });
        }
    },

    loadMore() {
        if (this.hasNext > 0) {
            getNetworkData(true);
        }
    },

    update(dt) {
        if (this.listAdapter != undefined) {
            this.listAdapter.update(dt);
        }
    },

    showToast() {
        this.addFriendApplySended.active = true;
        this.scheduleOnce(() => {
            this.addFriendApplySended.active = false;
        }, 2);
    },

    onDestroy() {
        if (this.tab === 0) {
            GameEvent.off('refresh_friend_list', this);
            GameEvent.off("friend_relation_change", this);
        }
    }
});