taptapstar/assets/scripts/store/StoreCoin.js

// Learn cc.Class:
const GameNotificationKey = require('../utils/GameEnum').GameNotificationKey;


cc.Class({
    extends: cc.Component,

    properties: {
        item: cc.Prefab,

        content: cc.Node
    },

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {},

    start () {

    },

    init(content) {
        if (this._shops != undefined) {
            return;
        }
        this._content = content;
        this._shops = {};
        let contentWidth = this.content.width;
        let itemWith = Math.floor((contentWidth - 75) / 2);
        this._items = []
        content.getShopsByType(3).then( (respondData) => {
            this._shops = respondData.shops;
            for (let i = 0; i < this._shops.length; ++ i) {
                let coinItem = cc.instantiate(this.item);
                let coinItemWidth = coinItem.width;
                let coinItemHeight = coinItem.height;
                let radio = coinItemHeight / coinItemWidth;
                coinItem.width = itemWith;
                coinItem.height = coinItemHeight * radio;
                coinItem.getComponent('StoreSmallItem').init(this._shops[i], 3, i);
                this.content.addChild(coinItem);
                this._items.push(coinItem);
            }
        }).catch((code, msg) => {
            console.log(code, msg);
        })

        GameEvent.on(GameNotificationKey.GameShowNotificationKey, this, this.updateInitData);
        GameEvent.on('storeCoin_need_update', this, this.updateInitData);
    },

    updateInitData() {
        this._content.getShopsByType(3).then( (respondData) => {
            this._shops = respondData.shops;
            for (let i = 0; i < this._items.length; ++ i) {
                let item = this._items[i].getComponent('StoreSmallItem');
                item._shopData = this._shops[i];
                item.updateTime();
            }   
        }).catch((code, msg) => {
            console.log(code, msg);
        })
    },

    onDestroy() {
        GameEvent.off(GameNotificationKey.GameShowNotificationKey, this);
        GameEvent.off('storeCoin_need_update', this);

    },
    // update (dt) {},
});