// [z-paging]核心js
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import zStatic from './z-paging-static'
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import c from './z-paging-constant'
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import u from './z-paging-utils'
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import zPagingRefresh from '../components/z-paging-refresh'
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import zPagingLoadMore from '../components/z-paging-load-more'
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import zPagingEmptyView from '../../z-paging-empty-view/z-paging-empty-view'
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// modules
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import commonLayoutModule from './modules/common-layout'
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import dataHandleModule from './modules/data-handle'
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import i18nModule from './modules/i18n'
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import nvueModule from './modules/nvue'
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import emptyModule from './modules/empty'
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import refresherModule from './modules/refresher'
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import loadMoreModule from './modules/load-more'
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import loadingModule from './modules/loading'
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import scrollerModule from './modules/scroller'
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import backToTopModule from './modules/back-to-top'
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import virtualListModule from './modules/virtual-list'
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import Enum from './z-paging-enum'
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const systemInfo = uni.getSystemInfoSync();
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export default {
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name: "z-paging",
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components: {
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zPagingRefresh,
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zPagingLoadMore,
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zPagingEmptyView
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},
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mixins: [
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commonLayoutModule,
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dataHandleModule,
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i18nModule,
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nvueModule,
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emptyModule,
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refresherModule,
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loadMoreModule,
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loadingModule,
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scrollerModule,
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backToTopModule,
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virtualListModule
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],
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data() {
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return {
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//--------------静态资源---------------
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base64Arrow: zStatic.base64Arrow,
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base64Flower: zStatic.base64Flower,
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base64BackToTop: zStatic.base64BackToTop,
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//-------------全局数据相关--------------
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//当前加载类型
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loadingType: Enum.LoadingType.Refresher,
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requestTimeStamp: 0,
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chatRecordLoadingMoreText: '',
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wxsPropType: '',
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renderPropScrollTop: -1,
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checkScrolledToBottomTimeOut: null,
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cacheTopHeight: -1,
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statusBarHeight: systemInfo.statusBarHeight,
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//--------------状态&判断---------------
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insideOfPaging: -1,
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isLoadFailed: false,
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isIos: systemInfo.platform === 'ios',
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disabledBounce: false,
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fromCompleteEmit: false,
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disabledCompleteEmit: false,
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pageLaunched: false,
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//---------------wxs相关---------------
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wxsIsScrollTopInTopRange: true,
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wxsScrollTop: 0,
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wxsPageScrollTop: 0,
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wxsOnPullingDown: false,
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};
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},
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props: {
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//调用complete后延迟处理的时间，单位为毫秒，默认0毫秒，优先级高于minDelay
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delay: {
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type: [Number, String],
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default: u.gc('delay', 0),
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},
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//触发@query后最小延迟处理的时间，单位为毫秒，默认0毫秒，优先级低于delay（假设设置为300毫秒，若分页请求时间小于300毫秒，则在调用complete后延迟[300毫秒-请求时长]；若请求时长大于300毫秒，则不延迟），当show-refresher-when-reload为true或reload(true)时，其最小值为400
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minDelay: {
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type: [Number, String],
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default: u.gc('minDelay', 0),
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},
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//设置z-paging的style，部分平台(如微信小程序)无法直接修改组件的style，可使用此属性代替
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pagingStyle: {
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type: Object,
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default: function() {
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return u.gc('pagingStyle', {});
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},
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},
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//z-paging的高度，优先级低于pagingStyle中设置的height；传字符串，如100px、100rpx、100%
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height: {
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type: String,
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default: u.gc('height', '')
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},
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//z-paging的宽度，优先级低于pagingStyle中设置的width；传字符串，如100px、100rpx、100%
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width: {
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type: String,
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default: u.gc('width', '')
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},
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//z-paging的背景色，优先级低于pagingStyle中设置的background。传字符串，如"#ffffff"
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bgColor: {
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type: String,
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default: u.gc('bgColor', '')
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},
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//设置z-paging的容器(插槽的父view)的style
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pagingContentStyle: {
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type: Object,
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default: function() {
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return u.gc('pagingContentStyle', {});
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},
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},
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//z-paging是否自动高度，若自动高度则会自动铺满屏幕
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autoHeight: {
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type: Boolean,
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default: u.gc('autoHeight', false)
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},
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//z-paging是否自动高度时，附加的高度，注意添加单位px或rpx，若需要减少高度，则传负数
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autoHeightAddition: {
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type: [Number, String],
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default: u.gc('autoHeightAddition', '0px')
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},
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//loading(下拉刷新、上拉加载更多)的主题样式，支持black，white，默认black
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defaultThemeStyle: {
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type: String,
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default: u.gc('defaultThemeStyle', 'black')
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},
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//z-paging是否使用fixed布局，若使用fixed布局，则z-paging的父view无需固定高度，z-paging高度默认为100%，默认为是(当使用内置scroll-view滚动时有效)
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fixed: {
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type: Boolean,
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default: u.gc('fixed', true)
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},
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//是否开启底部安全区域适配
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safeAreaInsetBottom: {
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type: Boolean,
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default: u.gc('safeAreaInsetBottom', false)
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},
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//开启底部安全区域适配后，是否使用placeholder形式实现，默认为否。为否时滚动区域会自动避开底部安全区域，也就是所有滚动内容都不会挡住底部安全区域，若设置为是，则滚动时滚动内容会挡住底部安全区域，但是当滚动到底部时才会避开底部安全区域
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useSafeAreaPlaceholder: {
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type: Boolean,
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default: u.gc('useSafeAreaPlaceholder', false)
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},
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//slot="top"的view的z-index，默认为99，仅使用页面滚动时有效
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topZIndex: {
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type: Number,
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default: u.gc('topZIndex', 99)
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},
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//z-paging内容容器父view的z-index，默认为1
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superContentZIndex: {
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type: Number,
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default: u.gc('superContentZIndex', 1)
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},
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//z-paging内容容器部分的z-index，默认为10
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contentZIndex: {
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type: Number,
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default: u.gc('contentZIndex', 10)
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},
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//使用页面滚动时，是否在不满屏时自动填充满屏幕，默认为是
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autoFullHeight: {
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type: Boolean,
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default: u.gc('autoFullHeight', true)
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},
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//是否监听列表触摸方向改变，默认为否
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watchTouchDirectionChange: {
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type: Boolean,
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default: u.gc('watchTouchDirectionChange', false)
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},
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},
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created(){
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if (this.createdReload && !this.refresherOnly && this.auto) {
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this._startLoading();
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this.$nextTick(this._preReload);
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}
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},
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mounted() {
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this.wxsPropType = u.getTime().toString();
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this.renderJsIgnore;
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if (!this.createdReload && !this.refresherOnly && this.auto) {
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this.$nextTick(this._preReload);
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}
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this.finalUseCache && this._setListByLocalCache();
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let delay = 0;
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// #ifdef H5 || MP
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delay = c.delayTime;
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// #endif
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this.$nextTick(() => {
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this.systemInfo = uni.getSystemInfoSync();
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!this.usePageScroll && this.autoHeight && this._setAutoHeight();
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this.loaded = true;
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})
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this.updatePageScrollTopHeight();
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this.updatePageScrollBottomHeight();
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this.updateLeftAndRightWidth();
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if (this.finalRefresherEnabled && this.useCustomRefresher) {
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this.$nextTick(() => {
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this.isTouchmoving = true;
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})
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}
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this._onEmit();
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// #ifdef APP-NVUE
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if (!this.isIos && !this.useChatRecordMode) {
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this.nLoadingMoreFixedHeight = true;
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}
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this._nUpdateRefresherWidth();
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// #endif
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// #ifndef APP-NVUE
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this.finalUseVirtualList && this._virtualListInit();
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// #endif
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// #ifndef APP-PLUS
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this.$nextTick(() => {
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setTimeout(() => {
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this._getCssSafeAreaInsetBottom(() => this.safeAreaInsetBottom && this.updatePageScrollBottomHeight());
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}, delay)
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})
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// #endif
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},
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destroyed() {
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this._offEmit();
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},
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// #ifdef VUE3
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unmounted() {
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this._offEmit();
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},
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// #endif
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watch: {
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defaultThemeStyle: {
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handler(newVal) {
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if (newVal.length) {
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this.finalRefresherDefaultStyle = newVal;
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}
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},
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immediate: true
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},
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autoHeight(newVal) {
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this.loaded && !this.usePageScroll && this._setAutoHeight(newVal);
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},
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autoHeightAddition(newVal) {
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this.loaded && !this.usePageScroll && this.autoHeight && this._setAutoHeight(newVal);
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},
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},
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computed: {
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finalPagingStyle() {
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const pagingStyle = this.pagingStyle;
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if (!this.systemInfo) return pagingStyle;
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const { windowTop, windowBottom } = this;
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if (!this.usePageScroll && this.fixed) {
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if (windowTop && !pagingStyle.top) {
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pagingStyle.top = windowTop + 'px';
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}
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if (windowBottom && !pagingStyle.bottom) {
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pagingStyle.bottom = windowBottom + 'px';
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}
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}
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if (this.bgColor.length && !pagingStyle['background']) {
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pagingStyle['background'] = this.bgColor;
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}
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if (this.height.length && !pagingStyle['height']) {
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pagingStyle['height'] = this.height;
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}
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if (this.width.length && !pagingStyle['width']) {
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pagingStyle['width'] = this.width;
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}
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return pagingStyle;
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},
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finalLowerThreshold() {
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return u.convertToPx(this.lowerThreshold);
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},
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finalPagingContentStyle() {
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if (this.contentZIndex != 1) {
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this.pagingContentStyle['z-index'] = this.contentZIndex;
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this.pagingContentStyle['position'] = 'relative';
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}
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return this.pagingContentStyle;
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},
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renderJsIgnore() {
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if ((this.usePageScroll && this.useChatRecordMode) || !this.refresherEnabled || !this.useCustomRefresher) {
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this.$nextTick(() => {
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this.renderPropScrollTop = 10;
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})
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}
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return 0;
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},
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windowHeight() {
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if (!this.systemInfo) return 0;
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return this.systemInfo.windowHeight || 0;
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},
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windowBottom() {
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if (!this.systemInfo) return 0;
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let windowBottom = this.systemInfo.windowBottom || 0;
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if (this.safeAreaInsetBottom && !this.useSafeAreaPlaceholder) {
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windowBottom += this.safeAreaBottom;
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}
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return windowBottom;
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},
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isIosAndH5() {
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// #ifndef H5
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return false;
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// #endif
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return this.isIos;
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}
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},
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methods: {
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//当前版本号
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getVersion() {
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return `z-paging v${c.version}`;
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},
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//设置nvue List的specialEffects
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setSpecialEffects(args) {
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this.setListSpecialEffects(args);
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},
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//与setSpecialEffects等效，兼容旧版本
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setListSpecialEffects(args) {
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this.nFixFreezing = args && Object.keys(args).length;
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if (this.isIos) {
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this.privateRefresherEnabled = 0;
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}
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!this.usePageScroll && this.$refs['zp-n-list'].setSpecialEffects(args);
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},
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// #ifdef APP-VUE
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//当app长时间进入后台后进入前台，因系统内存管理导致app重新加载时，进行一些适配处理
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_handlePageLaunch() {
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// 首次触发不进行处理，只有进入后台后打开app重新加载时才处理
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if (this.pageLaunched) {
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// 解决在vue3+ios中，app ReLaunch时顶部下拉刷新展示位置向下偏移的问题
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// #ifdef VUE3
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this.refresherThresholdUpdateTag = 1;
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this.$nextTick(() => {
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this.refresherThresholdUpdateTag = 0;
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})
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// #endif
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// 解决使用虚拟列表时，app ReLaunch时白屏问题
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this._checkVirtualListScroll();
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}
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this.pageLaunched = true;
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},
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// #endif
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//使手机发生较短时间的振动（15ms）
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_doVibrateShort() {
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// #ifndef H5
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// #ifdef APP-PLUS
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if (this.isIos) {
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const UISelectionFeedbackGenerator = plus.ios.importClass('UISelectionFeedbackGenerator');
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const feedbackGenerator = new UISelectionFeedbackGenerator();
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feedbackGenerator.init();
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setTimeout(() => {
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feedbackGenerator.selectionChanged();
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}, 0)
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} else {
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plus.device.vibrate(15);
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}
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// #endif
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// #ifndef APP-PLUS
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uni.vibrateShort();
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// #endif
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// #endif
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},
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//设置z-paging高度
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async _setAutoHeight(shouldFullHeight = true, scrollViewNode = null) {
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let heightKey = 'min-height';
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// #ifndef APP-NVUE
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heightKey = 'min-height';
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// #endif
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try {
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if (shouldFullHeight) {
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let finalScrollViewNode = scrollViewNode || await this._getNodeClientRect('.zp-scroll-view');
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let finalScrollBottomNode = await this._getNodeClientRect('.zp-page-bottom');
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if (finalScrollViewNode) {
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const scrollViewTop = finalScrollViewNode[0].top;
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let scrollViewHeight = this.windowHeight - scrollViewTop;
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scrollViewHeight -= finalScrollBottomNode ? finalScrollBottomNode[0].height : 0;
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const additionHeight = u.convertToPx(this.autoHeightAddition);
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const finalHeight = scrollViewHeight + additionHeight - (this.insideMore ? 1 : 0) + 'px !important';
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this.$set(this.scrollViewStyle, heightKey, finalHeight);
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this.$set(this.scrollViewInStyle, heightKey, finalHeight);
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}
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} else {
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this.$delete(this.scrollViewStyle, heightKey);
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this.$delete(this.scrollViewInStyle, heightKey);
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}
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} catch (e) {}
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},
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//触发更新是否超出页面状态
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_updateInsideOfPaging() {
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this.insideMore && this.insideOfPaging === true && setTimeout(this.doLoadMore, 200)
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},
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//清除timeout
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_cleanTimeout(timeout) {
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if (timeout) {
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clearTimeout(timeout);
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timeout = null;
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}
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return timeout;
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},
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//添加全局emit监听
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_onEmit() {
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uni.$on(c.errorUpdateKey, () => {
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this.loading && this.complete(false).catch(() => {});
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})
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uni.$on(c.completeUpdateKey, (data) => {
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setTimeout(() => {
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if (this.loading) {
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if (!this.disabledCompleteEmit) {
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const type = data.type || 'normal';
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const list = data.list || data;
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const rule = data.rule;
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this.fromCompleteEmit = true;
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switch (type){
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case 'normal':
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this.complete(list);
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break;
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case 'total':
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this.completeByTotal(list, rule);
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break;
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case 'nomore':
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this.completeByNoMore(list, rule);
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break;
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case 'key':
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this.completeByKey(list, rule);
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break;
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default:
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break;
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}
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} else {
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this.disabledCompleteEmit = false;
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}
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}
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}, 1);
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})
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},
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//销毁全局emit和listener监听
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_offEmit(){
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uni.$off(c.errorUpdateKey);
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uni.$off(c.completeUpdateKey);
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}
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},
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};
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