car/assets/script/ui/car_lib/car_lib_bottom.ts

import { _decorator, Color, Component, instantiate, Label, Layout, Node, PageView, Prefab, Sprite, SpriteFrame, UITransform } from 'cc';
import { base_ui } from '../../fw/base_ui';
import { tools } from '../../tools';
import { car_lib_list_item } from './car_lib_list_item';
import { car_lib_page_item } from './car_lib_page_item';
const { ccclass, property } = _decorator;

@ccclass('car_lib_bottom')
export class car_lib_bottom extends base_ui {
    @property(Node) btn_num_left:Node = null
    @property(Node) btn_num_right:Node = null
    @property(Node) lab_num:Node = null
    @property(Node) pageView:Node = null
    @property(Node) pageView_content:Node = null
    @property(Prefab) pageView_page_item:Prefab = null

    private num_current_count:number = 1
    private num_total_count:number = 1
    private current_select_list_item:car_lib_list_item = null

    private m_click_item_cb = null

    start() {
        this.onButtonListen(this.btn_num_left, ()=>{
            if(this.num_current_count==1) { 
                return 
            }
            this.num_current_count -=1
            this.updateNumStatus()
        })
        this.onButtonListen(this.btn_num_right, ()=>{
            if(this.num_current_count>=this.num_total_count) {
                return
            }
            this.num_current_count +=1
            this.updateNumStatus()
        })   
        this.pageView.on(PageView.EventType. PAGE_TURNING, (e:PageView)=>{
            let currentPageIndex = e.getCurrentPageIndex()
            // console.log('currentPageIndex=',currentPageIndex)
            this.num_current_count = currentPageIndex + 1
            this.updateNumStatus()
        }) 
    }

    public init(click_item_cb) {
        this.m_click_item_cb = click_item_cb
        this.num_total_count = tools.all_car_page_list.length
        this.updateNumStatus()

        for (let index = 0; index < this.num_total_count; index++) {
            let page = instantiate(this.pageView_page_item)
            let data_list = tools.all_car_page_list[index]
            page.getComponent(car_lib_page_item).init(this.pageView, index,data_list, this.onSelectedItem.bind(this), this.onClickListItem.bind(this))
            this.pageView.getComponent(PageView).addPage(page)
        }
    }

    private getNumCurrentIndex():number {
        let index = this.num_current_count - 1
        if(index<0) {
            index = 0
        }
        return index
    }

    private updateNumStatus() {
        this.lab_num.getComponent(Label).string = this.num_current_count + '/' + this.num_total_count
        let index = this.getNumCurrentIndex()
        this.pageView.getComponent(PageView).scrollToPage(index)
    }

    private onSelectedItem(list_item:car_lib_list_item) {
        this.current_select_list_item = list_item
    }

    private onClickListItem(page_item:car_lib_page_item,list_item:car_lib_list_item) {
        if(this.current_select_list_item!=null) {
            if(this.current_select_list_item.getData().id == list_item.getData().id) {
                return
            }
        }
        
        if(list_item.getIsJiesuo()==false) {
            console.log('未解锁 未解锁 未解锁')
            return
        }

        if(this.current_select_list_item!=null) {
            this.current_select_list_item.setUnselectedStatus()
        }
        list_item.setSelectedStatus()
        this.current_select_list_item = list_item

        if(this.m_click_item_cb!=null) {
            this.m_click_item_cb(list_item)
        }
    }
}