What Do Desalination Plants Do? A Deep Dive into Seawater to Freshwater Technology

const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_(auto=false) { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (auto) { dropdown.setAttribute('auto-orientation', 'true'); } if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', auto ? 'bottom' : 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, autoOrientation = false, }) { const dropdown = this.createDropdown_(autoOrientation); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(true); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), autoOrientation: true, }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), autoOrientation: true, }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_(auto=false) { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (auto) { dropdown.setAttribute('auto-orientation', 'true'); } if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', auto ? 'bottom' : 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, autoOrientation = false, }) { const dropdown = this.createDropdown_(autoOrientation); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(true); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), autoOrientation: true, }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), autoOrientation: true, }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

Products
- Products
- Industrial Reverse Osmosis Membrane
  - Industrial Reverse Osmosis Membrane
  - Brackish Water Membrane Element
  - Tapwater Membrane Element
  - Seawater Membrane Element
- Household Membrane Elements
  - Household Membrane Elements
  - ULP RO Membrane Elements
  - Standard RO Membrane Elements
  - High Flow RO Membrane Elements
- Water Treatment Equipment
  - Water Treatment Equipment
  - Commercial Reverse Osmosis Water Treatment Systems
  - Industrial Reverse Osmosis Water Treatment Systems
  - Ultrafiltration (UF) Water Purification Systems
  - Containerized Water Treatment Systems
News
- News
- Campany News
- Industry News
Factory Show
Case
About Us
- About Us
- Privacy Policy
- FAQ
- Certifications
- Delivery
Contact us
Log in
Create an account

const SITE = (window.C_SETTINGS || window[atob('U0hPUExBWlpB')])?.routes?.root || ''; const MARKET_THEME_SETTINGS = `${SITE}/api/markets/theme_setting`; const MARKET_COUNTRIES = `${SITE}/api/markets/countries`; const IP_MATCHING_MARKET = `${SITE}/api/front/station`; const MARKET_LANGUAGES = `${SITE}/api/markets/:id/active_languages`; const URL_REDIRECT = '_market_redirected'; const COOKIE_TIPS_NAME = 'market_no_tips'; const COOKIE_TIPS_EXPIRES = 1000 * 60 * 60 * 24 * 14; const MARKET_COUNTRY_COOKIE = '_shoplazza_market_country'; const MARKET_MODAL_LOADED = '__market_modal_loaded__'; const PROPERTY_SELECTED = 'selected'; const MARKET_PC_HEADER_TRIGGER = 'market-pc-header-trigger'; const MARKET_PC_HEADER_COUNTRY_SELECT_TITLE = 'market-pc-header-country-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE = 'market-pc-header-language-select-title'; const MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE = 'market-pc-header-language-select-sub-title'; const MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE = 'market-pc-header-country-select-sub-title'; const MARKET_FLAG = 'market-flag'; const MARKET_SELECT_VALUE = 'market-select-value'; const MARKET_CURRENCY = 'market-currency'; const MARKET_CURRENCY_SYMBOL = 'market-currency-symbol'; const MARKET_SELECT_ITEM = 'market-select-item'; const MARKET_SELECT_ITEM_ID = 'market-select-item-id'; const MARKET_SELECT_LIST = 'market-select-list'; const MARKET_LANGUAGE_SELECT = 'market-language-select'; const MARKET_COUNTRY_SELECT = 'market-country-select'; const MARKET_MODAL = 'market-modal'; const MARKET_GATEWAY_REDIRECT_MODAL = 'market-gateway-redirect-modal'; const MARKET_RESELECT_MODAL = 'market-reselect-modal'; const MARKET_MODAL_FLAG = 'market-modal-flag'; const MARKET_MODAL_COUNTRY_CODE = 'market-modal-country-code'; const MARKET_MODAL_CURRENCY_SYMBOL = 'market-modal-currency-symbol'; const MARKET_MODAL_CLOSE = 'market-modal-close'; const MARKET_MODAL_CONFIRM = 'market-modal-confirm'; const MARKET_MODAL_RESELECT = 'market-modal-reselect'; const MARKET_MODAL_RESELECT_COUNTRY_SELECT = 'market-modal-reselect-country-select'; const DATA_SECTION_TYPE = 'data-section-type'; const SECTION_TYPE_HEADER = 'header'; const SECTION_TYPE_FOOTER = 'footer'; class SpzCustomMarket extends SPZ.BaseElement { constructor(element) { super(element); this.global = null; this.useCountrySelect_ = false; this.useLanguageSelect_ = false; this.useModal_ = false; this.isSingleSelectMode_ = false; this.blockSectionPosition_ = ''; this.isEditMode = false; this.ipMatchingMarket = null; this.marketCountryList = []; this.marketLanguages = []; this.toast = null; } static deferredMount() { return false; } isLayoutSupported(layout) { return layout == SPZCore.Layout.LOGIC; } buildCallback() { console.debug('Geolocation'); this.xhr_ = SPZServices.xhrFor(this.win); const platform = SPZServices.platformFor(this.win); this.isIOS_ = platform.isIos(); this.action_ = SPZServices.actionServiceForDoc(this.element); this.global = this.win.C_SETTINGS || this.win[atob('U0hPUExBWlpB')]; this.isEditMode = new URLSearchParams(this.win.location.search).get('preview_theme_id') && new URLSearchParams(this.win.location.search).get('oseid'); this.init_(); } showToast_(content) { if (!this.toast) { this.toast = self.document.createElement('ljs-toast'); this.toast.setAttribute('layout', 'nodisplay'); this.toast.setAttribute('hidden', ''); this.toast.setAttribute('duration', '2000'); this.element.appendChild(this.toast); } SPZ.whenApiDefined(this.toast).then((apis) => { apis.showToast(content); }); } triggerEvent_(name, data) { const event = SPZUtils.Event.create(this.win, `${TAG}.${name}`, data); this.action_.trigger(this.element, name, event); } findBlockSectionPosition() { let current = this.element; while (current) { const dataSectionType = current.getAttribute(DATA_SECTION_TYPE); if ( dataSectionType === SECTION_TYPE_HEADER || dataSectionType === SECTION_TYPE_FOOTER ) { return dataSectionType; } current = current.parentElement; } return ''; } async initSettings_() { await this.getMarketThemeSettings_(); if (this.useCountrySelect_) { this.element.setAttribute('use-country-select', true); } if (this.useLanguageSelect_) { this.element.setAttribute('use-language-select', true); } if (this.useModal_) { this.element.setAttribute('use-modal', true); } if ( (this.useCountrySelect_ && !this.useLanguageSelect_) || (!this.useCountrySelect_ && this.useLanguageSelect_) ) { this.isSingleSelectMode_ = true; } this.blockSectionPosition_ = this.findBlockSectionPosition(); this.isPCLayout_ = this.win.matchMedia('(min-width: 960px)').matches; } renderMarketSelectTemplateNode_(clonedTemplate, data) { this.renderTemplateImg_(clonedTemplate, MARKET_FLAG, { src: data?.flag, width: '24', height: '24', }); this.renderTemplateElement_( clonedTemplate, MARKET_SELECT_VALUE, data.value ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY, data?.currency ); this.renderTemplateElement_( clonedTemplate, MARKET_CURRENCY_SYMBOL, data?.currencySymbol ); } bindDropdownOpenClickEvent_(triggerElement, dropdown) { if (!triggerElement) return; const triggerOpen = () => { SPZ.whenApiDefined(dropdown).then((apis) => { if (!dropdown.hasAttribute('open')) { apis.open(triggerElement); } }); }; if (this.isIOS_) { triggerElement.addEventListener('touchstart', triggerOpen); } else { triggerElement.addEventListener('click', triggerOpen); } } createDropdown_(auto=false) { const dropdown = self.document.createElement('ljs-dropdown'); dropdown.setAttribute('layout', 'nodisplay'); if (auto) { dropdown.setAttribute('auto-orientation', 'true'); } if (this.blockSectionPosition_ === 'header') { dropdown.setAttribute('overlay-style', 'top: 4px;'); dropdown.setAttribute('placement', auto ? 'bottom' : 'bottomRight'); } else if (this.blockSectionPosition_ === 'footer') { dropdown.setAttribute('overlay-style', 'top: -4px;'); dropdown.setAttribute('placement', 'top'); } return dropdown; } createDropdownIcon_() { const svgElement = document.createElementNS("http://www.w3.org/2000/svg", "svg"); svgElement.setAttribute("class", "market-rotate-180"); svgElement.setAttribute("width", "16"); svgElement.setAttribute("height", "16"); const path1 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path1.setAttribute("d", "M7.47 5.172a.75.75 0 0 1 1.06 0l4.596 4.596a.75.75 0 1 1-1.06 1.06L7.468 6.232a.75.75 0 0 1 0-1.06Z"); path1.setAttribute("fill", "currentColor"); const path2 = document.createElementNS("http://www.w3.org/2000/svg", "path"); path2.setAttribute("d", "M8.533 5.172a.75.75 0 0 1 0 1.06l-4.596 4.596a.75.75 0 1 1-1.061-1.06l4.596-4.596a.75.75 0 0 1 1.06 0Z"); path2.setAttribute("fill", "currentColor"); svgElement.appendChild(path1); svgElement.appendChild(path2); return svgElement; } renderDropdownListWithClickEvent_({ triggerElement, dataList, subTitleRole, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem = false, autoOrientation = false, }) { const dropdown = this.createDropdown_(autoOrientation); const itemTemplate = SPZCore.Dom.scopedQuerySelector( listElementWithTemplate, 'template' ); const clonedItemTemplate = itemTemplate.cloneNode(true); const fragment = self.document.createDocumentFragment(); dataList.forEach((data) => { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); this.renderMarketSelectTemplateNode_(tempParentNode, data); const selectItemElement = SPZCore.Dom.scopedQuerySelector( tempParentNode, `[role="${MARKET_SELECT_ITEM}"]` ); if (!selectItemElement) { return; } if (defaultValue === data.value) { if (shouldUpdateSelectedItem) { const clonedSelectItemElement = selectItemElement.cloneNode(true); triggerElement.replaceChild( clonedSelectItemElement, triggerElement.firstElementChild ); } selectItemElement.setAttribute(PROPERTY_SELECTED, ''); } selectItemElement.setAttribute(MARKET_SELECT_ITEM_ID, data.value); fragment.appendChild(tempParentNode.firstElementChild); }); let value = defaultValue; listElementWithTemplate.addEventListener( 'click', (e) => { if (this.isEditMode) { this.showToast_('编辑器下不支持切换国家'); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } let targetElement = e.target; while (targetElement) { if ( !targetElement || targetElement.getAttribute(MARKET_SELECT_ITEM_ID) ) { break; } targetElement = targetElement.parentNode; } if ( !targetElement || !targetElement.hasAttribute(MARKET_SELECT_ITEM_ID) ) { return; } const selectValue = targetElement.getAttribute(MARKET_SELECT_ITEM_ID); if (value === selectValue) { SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); return; } const selectedData = dataList.find((c) => c.value === selectValue); if (shouldUpdateSelectedItem) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( clonedItemTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderMarketSelectTemplateNode_(tempParentNode, selectedData); tempParentNode.firstElementChild.classList.add( 'market-select-item' ); triggerElement.replaceChild( tempParentNode.firstElementChild, triggerElement.firstElementChild ); } value = selectValue; itemHandler?.(selectedData); SPZ.whenApiDefined(dropdown).then((apis) => { apis.close(); }); }, false ); listElementWithTemplate.removeChild(itemTemplate); listElementWithTemplate.appendChild(fragment); listElementWithTemplate.classList.add('market-select-list'); dropdown.appendChild(listElementWithTemplate); if (subTitleRole) { this.renderSelectTitle_(dropdown, subTitleRole); } return dropdown; } createSelect_({ parent, defaultValue, dataList, listElementWithTemplate, itemHandler, titleRole, }) { const triggerElement = self.document.createElement('div'); triggerElement.classList.add('market-select'); const displayElement = self.document.createElement('div'); triggerElement.appendChild(displayElement); triggerElement.appendChild(this.createDropdownIcon_()); const dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, dataList, listElementWithTemplate, defaultValue, itemHandler, shouldUpdateSelectedItem: true, }); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); const dropdownContainer = self.document.createElement('div'); dropdownContainer.appendChild(triggerElement); dropdownContainer.appendChild(dropdown); dropdownContainer.classList.add('market-select-container'); this.renderSelectTitle_(dropdownContainer, titleRole); parent.appendChild(dropdownContainer); } getListElementWithTemplate_(role) { const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (template) { const clonedTemplate = template.cloneNode(true); const tempParent = self.document.createElement("div"); tempParent.appendChild(clonedTemplate.content); const listElementWithTemplate = SPZCore.Dom.scopedQuerySelector( tempParent, `[role="${MARKET_SELECT_LIST}"]` ); return listElementWithTemplate; } return null; } renderSelectTitle_(parent, role) { if (!parent || !role) { return; } const template = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); const content = self.document.importNode(template.content, true); parent.insertBefore(content, parent.firstElementChild); parent.firstElementChild.classList.add( role.includes('sub') ? 'market-pc-header-select-sub-title' : 'market-pc-header-select-title' ); } initSelect_(rootNode, options) { const parent = rootNode || this.element; if (this.useCountrySelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_COUNTRY_SELECT_TITLE : undefined, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } if (this.useLanguageSelect_) { this.createSelect_({ parent, titleRole: options?.shouldRenderSelectTitle ? MARKET_PC_HEADER_LANGUAGE_SELECT_TITLE : undefined, defaultValue: this.getDefaultLanguageValue_(), dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), itemHandler: this.handleLanguageSelectChange_.bind(this), }); } } initPcHeaderTriggerElement() { const headerTriggerElementTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_PC_HEADER_TRIGGER}"]` ); const headerTriggerElement = self.document.importNode( headerTriggerElementTemplate.content, true ); const parentDivElement = self.document.createElement('div'); parentDivElement.setAttribute('role', MARKET_PC_HEADER_TRIGGER); parentDivElement.appendChild(headerTriggerElement); this.element.removeChild(headerTriggerElementTemplate); return parentDivElement; } initPanelWithSelect_() { const triggerElement = this.initPcHeaderTriggerElement(); const dropdown = this.createDropdown_(true); const panelElement = self.document.createElement('div'); panelElement.classList.add('market-panel'); this.initSelect_(panelElement, {shouldRenderSelectTitle: true}); dropdown.appendChild(panelElement); this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.insertBefore(dropdown, triggerElement); } initSingleSelectDropdown_() { const triggerElement = this.initPcHeaderTriggerElement(); let dropdown; if (this.useCountrySelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_COUNTRY_SELECT_SUB_TITLE, dataList: this.marketCountryList.map(this.mapCountryRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), defaultValue: this.getDefaultCountryValue_(), itemHandler: this.handleCountrySelectChange_.bind(this), autoOrientation: true, }); } else if (this.useLanguageSelect_) { dropdown = this.renderDropdownListWithClickEvent_({ triggerElement, subTitleRole: MARKET_PC_HEADER_LANGUAGE_SELECT_SUB_TITLE, dataList: this.marketLanguages.map(this.mapLanguageRenderData_), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_LANGUAGE_SELECT ), defaultValue: this.getDefaultLanguageValue_(), itemHandler: this.handleLanguageSelectChange_.bind(this), autoOrientation: true, }); } if (dropdown) { this.bindDropdownOpenClickEvent_(triggerElement, dropdown); this.element.appendChild(triggerElement); this.element.appendChild(dropdown); } } initEntry_() { if (this.blockSectionPosition_ === SECTION_TYPE_HEADER) { if (this.isSingleSelectMode_) { this.initSingleSelectDropdown_(); } else if (this.useCountrySelect_ && this.useLanguageSelect_) { this.initPanelWithSelect_(); } } this.initSelect_(this.element); } async initData_() { const promises = []; if (this.useCountrySelect_ || this.useModal_) { promises.push(this.getCountryList_(), this.getIpMatchingMarket_()); } if (this.useLanguageSelect_) { promises.push(this.getMarketLanguages_(this.global.market.market_id)); } return Promise.all(promises).then((results) => { const ipMatchingMarket = results.find((result) => result.hasOwnProperty('matching_station') ); const marketCountryList = results.find((result) => result.hasOwnProperty('data') ); if (ipMatchingMarket && marketCountryList) { this.ipMatchingMarket = ipMatchingMarket?.matching_station?.find?.( (item) => item.type === 'multiple_market' ) || { img: marketCountryList.length ? marketCountryList?.[0]?.detail && marketCountryList[0].detail?.flag : '', }; } }); } initModal_() { if ( this.isEditMode || !this.ipMatchingMarket?.market_id || !this.useModal_ || this.hasCookie_(COOKIE_TIPS_NAME) || this.win[MARKET_MODAL_LOADED] ) { return; } this.win[MARKET_MODAL_LOADED] = true; const redirectParam = new URLSearchParams(this.win.location.search).get( URL_REDIRECT ); if (redirectParam) { this.initModalEntry_(MARKET_GATEWAY_REDIRECT_MODAL); } else if ( this.ipMatchingMarket.market_id !== this.global?.market?.market_id ) { this.initModalEntry_(MARKET_MODAL); } } async init_() { await this.initSettings_(); await this.initData_(); this.initEntry_(); this.initModal_(); } getDefaultCountryValue_() { return this.getCookie_(MARKET_COUNTRY_COOKIE) || this.marketCountryList[0]?.country_code; } mapCountryRenderData_(country) { return { flag: country?.detail?.flag || '', value: country?.country_code, currency: country?.currency, currencySymbol: country?.symbol?.val || '', url: country?.url, }; } handleCountrySelectChange_(selectedData) { this.setCookie_(MARKET_COUNTRY_COOKIE, selectedData.value); this.handleChangeURL_(selectedData.url); } getDefaultLanguageValue_() { return this.marketLanguages?.find?.( (lang) => lang.code === this.global?.market?.market_lang )?.name; } mapLanguageRenderData_(language) { return { value: language.name, url: language.url, }; } handleLanguageSelectChange_(selectedData) { this.handleChangeURL_(selectedData.url); } renderTemplateElement_(parent, role, value) { const elements = SPZCore.Dom.scopedQuerySelectorAll( parent, `[role="${role}"]` ); elements.forEach((element) => { if (element && value) { element.innerHTML = value; } }); } renderTemplateImg_(parent, role, options) { const flagElement = SPZCore.Dom.scopedQuerySelector( parent, `[role="${role}"]` ); if (flagElement && options?.src && options?.height && options?.width) { const spzImg = self.document.createElement('ljs-img'); spzImg.setAttribute('src', options.src); spzImg.setAttribute('layout', 'responsive'); spzImg.setAttribute('width', options.width); spzImg.setAttribute('height', options.height); flagElement.appendChild(spzImg); } } handleChangeURL_(url) { if (!!url) { let {origin, pathname, search} = this.win.location; pathname = pathname.replace(SITE, url != '/' ? url : ''); this.win.location.href = `${origin}${pathname}${search}`; } else { this.win.location.reload(true); } } initModalEntry_(role) { const marketModalTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${role}"]` ); if (marketModalTemplate) { const tempParentNode = self.document.createElement('div'); const clonedTemplate = self.document.importNode( marketModalTemplate.content, true ); tempParentNode.appendChild(clonedTemplate); this.renderTemplateImg_(tempParentNode, MARKET_MODAL_FLAG, { src: this.ipMatchingMarket?.img, width: '80', height: '80', }); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_COUNTRY_CODE, this.ipMatchingMarket?.name ); this.renderTemplateElement_( tempParentNode, MARKET_MODAL_CURRENCY_SYMBOL, this.ipMatchingMarket?.currency_with_symbol ); const lightbox = self.document.createElement('ljs-lightbox'); lightbox.setAttribute('layout', 'nodisplay'); lightbox.appendChild(tempParentNode.firstElementChild); self.document.body.appendChild(lightbox); SPZ.whenApiDefined(lightbox).then((apis) => { SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); const marketModalConfirmElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_CONFIRM}"]` ); if (marketModalConfirmElement && this.ipMatchingMarket?.url) { marketModalConfirmElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); this.setCookie_(MARKET_COUNTRY_COOKIE, this.ipMatchingMarket?.name); this.handleChangeURL_(this.ipMatchingMarket?.url); }); } const marketModalReselectElement = SPZCore.Dom.scopedQuerySelector( lightbox, `[role="${MARKET_MODAL_RESELECT}"]` ); if (marketModalReselectElement) { marketModalReselectElement.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); const marketReselectTemplate = SPZCore.Dom.scopedQuerySelector( this.element, `[role="${MARKET_RESELECT_MODAL}"]` ); if (marketReselectTemplate && lightbox.firstElementChild) { const clonedTemplate = self.document.importNode( marketReselectTemplate.content, true ); const selectParent = SPZCore.Dom.scopedQuerySelector( clonedTemplate, `[role="${MARKET_MODAL_RESELECT_COUNTRY_SELECT}"]` ); if (selectParent) { this.createSelect_({ parent: selectParent, defaultValue: this.getDefaultCountryValue_(), dataList: this.marketCountryList.map( this.mapCountryRenderData_ ), listElementWithTemplate: this.getListElementWithTemplate_( MARKET_COUNTRY_SELECT ), itemHandler: this.handleCountrySelectChange_.bind(this), }); } lightbox.replaceChild(clonedTemplate, lightbox.firstElementChild); SPZCore.Dom.scopedQuerySelectorAll( lightbox, `[role="${MARKET_MODAL_CLOSE}"]` ).forEach((ele) => { ele.addEventListener('click', () => { this.setCookie_(COOKIE_TIPS_NAME, 1, COOKIE_TIPS_EXPIRES); apis.close(); }); }); } }); } apis.open(); }); } } async getMarketThemeSettings_() { return this.xhr_.fetchJson(MARKET_THEME_SETTINGS).then((res) => { this.useCountrySelect_ = !!res.country_selector_enabled; this.useLanguageSelect_ = !!res.language_selector_enabled && this.global?.market?.market_id; this.useModal_ = !!res.redirect_pop_enabled; return res; }); } async getCountryList_() { return this.xhr_.fetchJson(MARKET_COUNTRIES).then((res) => { this.marketCountryList = res.data.length ? res.data : []; return res; }); } async getIpMatchingMarket_() { return this.xhr_.fetchJson(IP_MATCHING_MARKET, { method: 'POST', body: { stations: [], }, }); } async getMarketLanguages_(marketId) { return this.xhr_ .fetchJson(MARKET_LANGUAGES.replace(/:id/gim, marketId)) .then((res) => { this.marketLanguages = res?.languages?.length ? res.languages : []; return res; }); } hasCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return !!(m && m[0]); } getCookie_(name) { const m = self.document.cookie .split(';') .filter((pair) => pair.trim().startsWith(name + '=')); return m && m[0] ? m[0].split('=')[1] : null; } setCookie_(name, value, expires) { const expiresDate = new Date(Date.now() + expires).toGMTString(); self.document.cookie = `${name}=${encodeURIComponent( value )};expires=${expiresDate};path=/`; } } SPZ.defineElement('spz-custom-market', SpzCustomMarket);

What Do Desalination Plants Do? A Deep Dive into Seawater to Freshwater Technology

Apr 29，2025 by Walchin

What Do Desalination Plants Do? A Deep Dive into Seawater to Freshwater Technology

As global freshwater resources face increasing stress due to climate change, population growth, and industrial demands, desalination plants are becoming essential infrastructure in many parts of the world. But what exactly do these plants do, and how do they work?

What Is a Desalination Plant?

A desalination plant is a facility that removes salt and other impurities from seawater or brackish water to produce fresh, potable water suitable for drinking, agriculture, or industrial use. These plants are especially important in coastal and arid regions where freshwater sources are limited or overused.

How Do Desalination Plants Work?

Most modern desalination plants use a technology called reverse osmosis (RO). In this process, seawater is forced through a semi-permeable membrane that blocks salts, minerals, and other contaminants, allowing only pure water molecules to pass through.

At the heart of this process is the seawater RO membrane, a highly specialized filter that must withstand high pressure and harsh marine conditions while maintaining efficiency and longevity.

Why Industrial Reverse Osmosis Membranes Matter

Industrial-scale desalination requires robust, high-performance equipment to deliver clean water at a viable cost. That’s where industrial reverse osmosis membranes come into play. These membranes are designed for large-scale water purification systems and are optimized for durability, flow rate, and salt rejection.

One top-tier example is the SW-8040-HR Walchin Seawater RO Membrane, engineered for high-performance desalination of both seawater and brackish water. This membrane offers superior salt rejection and stable output over time, making it ideal for municipal, industrial, and offshore applications.

Applications of Desalination

Desalinated water is used in:

Municipal water supplies in arid coastal cities
Industrial processes that require ultrapure water
Agriculture in regions lacking sufficient freshwater
Military and offshore platforms for secure, independent water generation

Conclusion

Desalination plants are critical for addressing water scarcity, and the performance of their core components—especially RO membranes—determines their efficiency and sustainability. If you are designing or maintaining a desalination system, investing in high-quality seawater RO membranes is key to long-term success.

Explore our range of industrial reverse osmosis membranes and advanced SW-8040-HR seawater RO membranes to upgrade your water treatment system today.

GET IN TOUCH

+8619132294594 Email us Live chat

FOLLOW US