New Huajishe Check ChaoXing
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e2hang
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var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
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return c > 3 && r && Object.defineProperty(target, key, r), r;
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};
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import { SuperComponent, wxComponent } from '../common/src/index';
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import config from '../common/config';
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import props from './props';
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import { unitConvert, systemInfo } from '../common/utils';
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import useCustomNavbar from '../mixins/using-custom-navbar';
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const { prefix } = config;
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const name = `${prefix}-pull-down-refresh`;
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let PullDownRefresh = class PullDownRefresh extends SuperComponent {
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constructor() {
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super(...arguments);
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this.pixelRatio = 1;
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this.startPoint = null;
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this.isPulling = false;
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this.maxRefreshAnimateTimeFlag = 0;
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this.closingAnimateTimeFlag = 0;
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this.refreshStatusTimer = null;
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this.externalClasses = [`${prefix}-class`, `${prefix}-class-loading`, `${prefix}-class-text`, `${prefix}-class-indicator`];
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this.options = {
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multipleSlots: true,
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pureDataPattern: /^_/,
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};
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this.relations = {
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'../back-top/back-top': {
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type: 'descendant',
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},
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};
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this.properties = props;
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this.behaviors = [useCustomNavbar];
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this.data = {
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prefix,
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classPrefix: name,
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barHeight: 0,
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tipsHeight: 0,
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refreshStatus: -1,
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loosing: false,
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enableToRefresh: true,
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scrollTop: 0,
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_maxBarHeight: 0,
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_loadingBarHeight: 0,
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};
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this.lifetimes = {
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attached() {
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const { screenWidth } = systemInfo;
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const { loadingTexts, maxBarHeight, loadingBarHeight } = this.properties;
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this.setData({
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_maxBarHeight: unitConvert(maxBarHeight),
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_loadingBarHeight: unitConvert(loadingBarHeight),
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loadingTexts: Array.isArray(loadingTexts) && loadingTexts.length >= 4
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? loadingTexts
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: ['下拉刷新', '松手刷新', '正在刷新', '刷新完成'],
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});
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this.pixelRatio = 750 / screenWidth;
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},
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detached() {
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clearTimeout(this.maxRefreshAnimateTimeFlag);
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clearTimeout(this.closingAnimateTimeFlag);
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this.resetTimer();
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},
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};
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this.observers = {
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value(val) {
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if (!val) {
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clearTimeout(this.maxRefreshAnimateTimeFlag);
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if (this.data.refreshStatus > 0) {
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this.setData({
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refreshStatus: 3,
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});
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}
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this.setData({ barHeight: 0 });
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}
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else {
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this.doRefresh();
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}
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},
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barHeight(val) {
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this.resetTimer();
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if (val === 0 && this.data.refreshStatus !== -1) {
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this.refreshStatusTimer = setTimeout(() => {
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this.setData({ refreshStatus: -1 });
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}, 240);
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}
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this.setData({ tipsHeight: Math.min(val, this.data._loadingBarHeight) });
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},
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maxBarHeight(v) {
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this.setData({ _maxBarHeight: unitConvert(v) });
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},
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loadingBarHeight(v) {
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this.setData({ _loadingBarHeight: unitConvert(v) });
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},
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};
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this.methods = {
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resetTimer() {
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if (this.refreshStatusTimer) {
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clearTimeout(this.refreshStatusTimer);
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this.refreshStatusTimer = null;
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}
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},
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onScrollToBottom() {
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this.triggerEvent('scrolltolower');
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},
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onScrollToTop() {
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this.setData({
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enableToRefresh: true,
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});
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},
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onScroll(e) {
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const { scrollTop } = e.detail;
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this.setData({
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enableToRefresh: scrollTop === 0,
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});
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this.triggerEvent('scroll', { scrollTop });
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},
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onTouchStart(e) {
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if (this.isPulling || !this.data.enableToRefresh || this.properties.disabled)
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return;
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const { touches } = e;
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if (touches.length !== 1)
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return;
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const { pageX, pageY } = touches[0];
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this.setData({ loosing: false });
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this.startPoint = { pageX, pageY };
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this.isPulling = true;
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},
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onTouchMove(e) {
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if (!this.startPoint || this.properties.disabled)
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return;
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const { touches } = e;
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if (touches.length !== 1)
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return;
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const { pageY } = touches[0];
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const offset = pageY - this.startPoint.pageY;
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if (offset > 0) {
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this.setRefreshBarHeight(offset);
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}
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},
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onTouchEnd(e) {
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if (!this.startPoint || this.properties.disabled)
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return;
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const { changedTouches } = e;
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if (changedTouches.length !== 1)
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return;
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const { pageY } = changedTouches[0];
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const barHeight = pageY - this.startPoint.pageY;
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this.startPoint = null;
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this.isPulling = false;
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this.setData({ loosing: true });
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if (barHeight > this.data._loadingBarHeight) {
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this._trigger('change', { value: true });
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this.triggerEvent('refresh');
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}
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else {
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this.setData({ barHeight: 0 });
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}
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},
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onDragStart(e) {
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const { scrollTop, scrollLeft } = e.detail;
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this.triggerEvent('dragstart', { scrollTop, scrollLeft });
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},
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onDragging(e) {
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const { scrollTop, scrollLeft } = e.detail;
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this.triggerEvent('dragging', { scrollTop, scrollLeft });
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},
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onDragEnd(e) {
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const { scrollTop, scrollLeft } = e.detail;
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this.triggerEvent('dragend', { scrollTop, scrollLeft });
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},
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doRefresh() {
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if (this.properties.disabled)
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return;
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this.setData({
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barHeight: this.data._loadingBarHeight,
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refreshStatus: 2,
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loosing: true,
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});
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this.maxRefreshAnimateTimeFlag = setTimeout(() => {
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this.maxRefreshAnimateTimeFlag = null;
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if (this.data.refreshStatus === 2) {
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this.triggerEvent('timeout');
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this._trigger('change', { value: false });
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}
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}, this.properties.refreshTimeout);
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},
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setRefreshBarHeight(value) {
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const barHeight = Math.min(value, this.data._maxBarHeight);
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const data = { barHeight };
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if (barHeight >= this.data._loadingBarHeight) {
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data.refreshStatus = 1;
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}
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else {
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data.refreshStatus = 0;
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}
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return new Promise((resolve) => {
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this.setData(data, () => resolve(barHeight));
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});
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},
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setScrollTop(scrollTop) {
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this.setData({ scrollTop });
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},
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scrollToTop() {
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this.setScrollTop(0);
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},
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};
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}
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};
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PullDownRefresh = __decorate([
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wxComponent()
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], PullDownRefresh);
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export default PullDownRefresh;
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