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604
components/z-paging/js/z-paging-main.js
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604
components/z-paging/js/z-paging-main.js
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// [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 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 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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// #ifdef APP-NVUE
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const weexDom = weex.requireModule('dom');
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// #endif
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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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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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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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renderPropUsePageScroll: -1,
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checkScrolledToBottomTimeOut: null,
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systemInfo: null,
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cssSafeAreaInsetBottom: -1,
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cacheTopHeight: 0,
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//--------------状态&判断---------------
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insideOfPaging: -1,
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loading: false,
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loadingForNow: false,
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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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//---------------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: function() {
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return u.gc('defaultThemeStyle', 'black');
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}
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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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//第一次加载后自动隐藏loading slot，默认为是
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autoHideLoadingAfterFirstLoaded: {
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type: Boolean,
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default: u.gc('autoHideLoadingAfterFirstLoaded', true)
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},
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//loading slot是否铺满屏幕并固定，默认为否
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loadingFullFixed: {
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type: Boolean,
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default: u.gc('loadingFullFixed', 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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//是否将错误信息打印至控制台，默认为是
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showConsoleError: {
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type: Boolean,
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default: u.gc('showConsoleError', true)
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},
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},
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created(){
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if (this.createdReload && !this.refresherOnly && (this.mountedAutoCallReload && this.auto)) {
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this._startLoading();
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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.mountedAutoCallReload && this.auto)) {
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this.$nextTick(() => {
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this._preReload();
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})
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}
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let delay = 0;
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// #ifdef H5 || MP
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delay = 100;
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// #endif
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this.$nextTick(() => {
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this.systemInfo = uni.getSystemInfoSync();
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if (!this.usePageScroll && this.autoHeight) {
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this._setAutoHeight();
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}
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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();
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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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loadingStatus(newVal, oldVal) {
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this.$emit('loadingStatusChange', newVal);
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this.$nextTick(()=>{
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this.loadingStatusAfterRender = newVal;
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})
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// #ifdef APP-NVUE
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if (this.useChatRecordMode) {
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if (this.pageNo === this.defaultPageNo && newVal === Enum.More.NoMore) {
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this.nIsFirstPageAndNoMore = true;
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return;
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}
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}
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this.nIsFirstPageAndNoMore = false;
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// #endif
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},
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loading(newVal){
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if(newVal){
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this.loadingForNow = newVal;
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}
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},
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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, oldVal) {
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if (this.loaded && !this.usePageScroll) {
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this._setAutoHeight(newVal);
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}
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},
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autoHeightAddition(newVal, oldVal) {
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if (this.loaded && !this.usePageScroll && this.autoHeight) {
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this._setAutoHeight(newVal);
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}
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},
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},
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computed: {
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zScopedSlots() {
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return this.$scopedSlots;
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},
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finalPagingStyle() {
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let pagingStyle = this.pagingStyle;
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if (!this.systemInfo) return pagingStyle;
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let windowTop = this.systemInfo.windowTop;
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//暂时修复vue3中隐藏系统导航栏后windowTop获取不正确的问题，具体bug详见https://ask.dcloud.net.cn/question/141634
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//感谢litangyu！！https://github.com/SmileZXLee/uni-z-paging/issues/25
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// #ifdef VUE3 && H5
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const pageHeadNode = document.getElementsByTagName("uni-page-head");
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if (!pageHeadNode.length) windowTop = 0;
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// #endif
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const windowBottom = this.systemInfo.windowBottom;
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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 (!pagingStyle.bottom) {
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let bottom = windowBottom || 0;
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if (this.safeAreaInsetBottom && !this.useSafeAreaPlaceholder) {
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bottom += this.safeAreaBottom;
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}
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if(bottom > 0){
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pagingStyle.bottom = bottom + 'px';
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}
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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.convertTextToPx(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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showLoading() {
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if (this.firstPageLoaded || !this.loading || !this.loadingForNow) return false;
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if (this.autoHideLoadingAfterFirstLoaded) {
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return this.fromEmptyViewReload ? true : !this.pagingLoaded;
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} else{
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return this.loadingType === Enum.LoadingType.Refresher;
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}
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},
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safeAreaBottom() {
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if (!this.systemInfo) return 0;
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let safeAreaBottom = 0;
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// #ifdef APP-PLUS
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safeAreaBottom = this.systemInfo.safeAreaInsets.bottom || 0;
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// #endif
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// #ifndef APP-PLUS
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safeAreaBottom = this.cssSafeAreaInsetBottom === -1 ? 0 : this.cssSafeAreaInsetBottom;
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// #endif
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return safeAreaBottom;
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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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return !this.systemInfo ? 0 : this.systemInfo.windowHeight || 0;
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},
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windowTop() {
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return !this.systemInfo ? 0 : this.systemInfo.windowTop || 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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isOldWebView() {
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// #ifndef APP-NVUE
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try {
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const systemInfos = systemInfo.system.split(' ');
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const deviceType = systemInfos[0];
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const version = parseInt(systemInfos[1].slice(0,1));
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if ((deviceType === 'iOS' && version <= 10) || (deviceType === 'Android' && version <= 6)) {
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return true;
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}
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} catch(e){
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return false;
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}
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// #endif
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return false;
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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${zConstant.version}`;
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},
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//设置nvue List的specialEffects
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setSpecialEffects(args) {
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this.setListSpecialEffects(args);
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},
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//与setSpecialEffects等效，兼容旧版本
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setListSpecialEffects(args) {
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this.nFixFreezing = args && Object.keys(args).length;
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if (this.isIos) {
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this.privateRefresherEnabled = 0;
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}
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if (!this.usePageScroll) {
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this.$refs['zp-n-list'].setSpecialEffects(args);
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}
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},
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//处理开始加载更多状态
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_startLoading(isReload = false) {
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if ((this.showLoadingMoreWhenReload && !this.isUserPullDown) || !isReload) {
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this.loadingStatus = Enum.More.Loading;
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}
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this.loading = true;
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},
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//检测scrollView是否要铺满屏幕
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_doCheckScrollViewShouldFullHeight(totalData){
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if (this.autoFullHeight && this.usePageScroll && this.isTotalChangeFromAddData) {
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// #ifndef APP-NVUE
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this.$nextTick(() => {
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this._checkScrollViewShouldFullHeight((scrollViewNode, pagingContainerNode) => {
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this._preCheckShowLoadingMoreWhenNoMoreAndInsideOfPaging(totalData, scrollViewNode, pagingContainerNode)
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});
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})
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||||
// #endif
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// #ifdef APP-NVUE
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this._preCheckShowLoadingMoreWhenNoMoreAndInsideOfPaging(totalData)
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// #endif
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||||
} else {
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this._preCheckShowLoadingMoreWhenNoMoreAndInsideOfPaging(totalData)
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||||
}
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||||
},
|
||||
//检测z-paging是否要全屏覆盖(当使用页面滚动并且不满全屏时，默认z-paging需要铺满全屏，避免数据过少时内部的empty-view无法正确展示)
|
||||
async _checkScrollViewShouldFullHeight(callback) {
|
||||
try {
|
||||
const scrollViewNode = await this._getNodeClientRect('.zp-scroll-view');
|
||||
const pagingContainerNode = await this._getNodeClientRect('.zp-paging-container-content');
|
||||
if (!scrollViewNode || !pagingContainerNode) return;
|
||||
const scrollViewHeight = pagingContainerNode[0].height;
|
||||
const scrollViewTop = scrollViewNode[0].top;
|
||||
if (this.isAddedData && scrollViewHeight + scrollViewTop <= this.windowHeight) {
|
||||
this._setAutoHeight(true, scrollViewNode);
|
||||
callback(scrollViewNode, pagingContainerNode);
|
||||
} else {
|
||||
this._setAutoHeight(false);
|
||||
callback(null, null);
|
||||
}
|
||||
} catch (e) {
|
||||
callback(null, null);
|
||||
}
|
||||
},
|
||||
//设置z-paging高度
|
||||
async _setAutoHeight(shouldFullHeight = true, scrollViewNode = null) {
|
||||
let heightKey = 'height';
|
||||
// #ifndef APP-NVUE
|
||||
if (this.usePageScroll) {
|
||||
heightKey = 'min-height';
|
||||
}
|
||||
// #endif
|
||||
try {
|
||||
if (shouldFullHeight) {
|
||||
let finalScrollViewNode = scrollViewNode ? scrollViewNode : await this._getNodeClientRect('.scroll-view');
|
||||
let finalScrollBottomNode = await this._getNodeClientRect('.zp-page-bottom');
|
||||
if (finalScrollViewNode) {
|
||||
const scrollViewTop = finalScrollViewNode[0].top;
|
||||
let scrollViewHeight = this.windowHeight - scrollViewTop;
|
||||
if(finalScrollBottomNode){
|
||||
scrollViewHeight -= finalScrollBottomNode[0].height;
|
||||
}
|
||||
let additionHeight = u.convertTextToPx(this.autoHeightAddition);
|
||||
this.$set(this.scrollViewStyle, heightKey, scrollViewHeight + additionHeight - (this.insideMore ? 1 : 0) + 'px');
|
||||
this.$set(this.scrollViewInStyle, heightKey, scrollViewHeight + additionHeight - (this.insideMore ? 1 : 0) + 'px');
|
||||
}
|
||||
} else {
|
||||
this.$delete(this.scrollViewStyle, heightKey);
|
||||
this.$delete(this.scrollViewInStyle, heightKey);
|
||||
}
|
||||
} catch (e) {}
|
||||
},
|
||||
//通过获取css设置的底部安全区域占位view高度设置bottom距离
|
||||
_getCssSafeAreaInsetBottom(){
|
||||
this._getNodeClientRect('.zp-safe-area-inset-bottom').then((res) => {
|
||||
if (res) {
|
||||
this.cssSafeAreaInsetBottom = res[0].height;
|
||||
if (this.safeAreaInsetBottom) {
|
||||
this.updatePageScrollBottomHeight();
|
||||
}
|
||||
}
|
||||
});
|
||||
},
|
||||
//触发更新是否超出页面状态
|
||||
_updateInsideOfPaging() {
|
||||
if (this.insideMore && this.insideOfPaging === true) {
|
||||
setTimeout(() => {
|
||||
this.doLoadMore();
|
||||
}, 200)
|
||||
}
|
||||
},
|
||||
//获取节点尺寸
|
||||
_getNodeClientRect(select, inThis = true, scrollOffset = false) {
|
||||
// #ifdef APP-NVUE
|
||||
select = select.replace('.', '').replace('#', '');
|
||||
const ref = this.$refs[select];
|
||||
return new Promise((resolve, reject) => {
|
||||
if (ref) {
|
||||
weexDom.getComponentRect(ref, option => {
|
||||
if (option && option.result) {
|
||||
resolve([option.size]);
|
||||
} else {
|
||||
resolve(false);
|
||||
}
|
||||
})
|
||||
} else {
|
||||
resolve(false);
|
||||
}
|
||||
});
|
||||
return;
|
||||
// #endif
|
||||
//#ifdef MP-ALIPAY
|
||||
inThis = false;
|
||||
//#endif
|
||||
let res = inThis ? uni.createSelectorQuery().in(this) : uni.createSelectorQuery();
|
||||
if (scrollOffset) {
|
||||
res.select(select).scrollOffset();
|
||||
} else {
|
||||
res.select(select).boundingClientRect();
|
||||
}
|
||||
return new Promise((resolve, reject) => {
|
||||
res.exec(data => {
|
||||
resolve((data && data != '' && data != undefined && data.length) ? data : false);
|
||||
});
|
||||
});
|
||||
},
|
||||
//清除timeout
|
||||
_cleanTimeout(timeout) {
|
||||
if (timeout) {
|
||||
clearTimeout(timeout);
|
||||
timeout = null;
|
||||
}
|
||||
return timeout;
|
||||
},
|
||||
//添加全局emit监听
|
||||
_onEmit() {
|
||||
uni.$on(c.i18nUpdateKey, () => {
|
||||
this.tempLanguageUpdateKey = u.getTime();
|
||||
})
|
||||
uni.$on(c.errorUpdateKey, () => {
|
||||
if (this.loading) {
|
||||
this.complete(false);
|
||||
}
|
||||
})
|
||||
uni.$on(c.completeUpdateKey, (data) => {
|
||||
setTimeout(() => {
|
||||
if (this.loading) {
|
||||
if (!this.disabledCompleteEmit) {
|
||||
const type = data.type || 'normal';
|
||||
const list = data.list || data;
|
||||
const rule = data.rule;
|
||||
this.fromCompleteEmit = true;
|
||||
switch (type){
|
||||
case 'normal':
|
||||
this.complete(list);
|
||||
break;
|
||||
case 'total':
|
||||
this.completeByTotal(list, rule);
|
||||
break;
|
||||
case 'nomore':
|
||||
this.completeByNoMore(list, rule);
|
||||
break;
|
||||
case 'key':
|
||||
this.completeByKey(list, rule);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
this.disabledCompleteEmit = false;
|
||||
}
|
||||
}
|
||||
}, 1);
|
||||
})
|
||||
},
|
||||
//销毁全局emit和listener监听
|
||||
_offEmit(){
|
||||
uni.$off(c.i18nUpdateKey);
|
||||
uni.$off(c.errorUpdateKey);
|
||||
uni.$off(c.completeUpdateKey);
|
||||
}
|
||||
},
|
||||
};
|
||||
Reference in New Issue
Block a user