import $ from '../../utils/dom';
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import Utils from '../../utils/utils';
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const Navigation = {
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update() {
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// Update Navigation Buttons
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const swiper = this;
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const params = swiper.params.navigation;
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if (swiper.params.loop) return;
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const { $nextEl, $prevEl } = swiper.navigation;
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if ($prevEl && $prevEl.length > 0) {
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if (swiper.isBeginning) {
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$prevEl.addClass(params.disabledClass);
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} else {
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$prevEl.removeClass(params.disabledClass);
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}
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$prevEl[swiper.params.watchOverflow && swiper.isLocked ? 'addClass' : 'removeClass'](params.lockClass);
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}
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if ($nextEl && $nextEl.length > 0) {
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if (swiper.isEnd) {
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$nextEl.addClass(params.disabledClass);
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} else {
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$nextEl.removeClass(params.disabledClass);
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}
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$nextEl[swiper.params.watchOverflow && swiper.isLocked ? 'addClass' : 'removeClass'](params.lockClass);
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}
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},
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onPrevClick(e) {
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const swiper = this;
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e.preventDefault();
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if (swiper.isBeginning && !swiper.params.loop) return;
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swiper.slidePrev();
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},
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onNextClick(e) {
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const swiper = this;
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e.preventDefault();
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if (swiper.isEnd && !swiper.params.loop) return;
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swiper.slideNext();
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},
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init() {
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const swiper = this;
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const params = swiper.params.navigation;
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if (!(params.nextEl || params.prevEl)) return;
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let $nextEl;
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let $prevEl;
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if (params.nextEl) {
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$nextEl = $(params.nextEl);
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if (
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swiper.params.uniqueNavElements
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&& typeof params.nextEl === 'string'
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&& $nextEl.length > 1
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&& swiper.$el.find(params.nextEl).length === 1
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) {
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$nextEl = swiper.$el.find(params.nextEl);
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}
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}
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if (params.prevEl) {
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$prevEl = $(params.prevEl);
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if (
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swiper.params.uniqueNavElements
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&& typeof params.prevEl === 'string'
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&& $prevEl.length > 1
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&& swiper.$el.find(params.prevEl).length === 1
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) {
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$prevEl = swiper.$el.find(params.prevEl);
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}
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}
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if ($nextEl && $nextEl.length > 0) {
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$nextEl.on('click', swiper.navigation.onNextClick);
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}
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if ($prevEl && $prevEl.length > 0) {
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$prevEl.on('click', swiper.navigation.onPrevClick);
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}
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Utils.extend(swiper.navigation, {
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$nextEl,
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nextEl: $nextEl && $nextEl[0],
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$prevEl,
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prevEl: $prevEl && $prevEl[0],
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});
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},
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destroy() {
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const swiper = this;
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const { $nextEl, $prevEl } = swiper.navigation;
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if ($nextEl && $nextEl.length) {
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$nextEl.off('click', swiper.navigation.onNextClick);
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$nextEl.removeClass(swiper.params.navigation.disabledClass);
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}
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if ($prevEl && $prevEl.length) {
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$prevEl.off('click', swiper.navigation.onPrevClick);
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$prevEl.removeClass(swiper.params.navigation.disabledClass);
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}
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},
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};
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export default {
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name: 'navigation',
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params: {
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navigation: {
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nextEl: null,
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prevEl: null,
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hideOnClick: false,
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disabledClass: 'swiper-button-disabled',
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hiddenClass: 'swiper-button-hidden',
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lockClass: 'swiper-button-lock',
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},
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},
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create() {
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const swiper = this;
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Utils.extend(swiper, {
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navigation: {
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init: Navigation.init.bind(swiper),
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update: Navigation.update.bind(swiper),
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destroy: Navigation.destroy.bind(swiper),
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onNextClick: Navigation.onNextClick.bind(swiper),
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onPrevClick: Navigation.onPrevClick.bind(swiper),
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},
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});
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},
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on: {
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init() {
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const swiper = this;
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swiper.navigation.init();
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swiper.navigation.update();
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},
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toEdge() {
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const swiper = this;
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swiper.navigation.update();
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},
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fromEdge() {
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const swiper = this;
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swiper.navigation.update();
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},
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destroy() {
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const swiper = this;
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swiper.navigation.destroy();
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},
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click(e) {
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const swiper = this;
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const { $nextEl, $prevEl } = swiper.navigation;
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if (
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swiper.params.navigation.hideOnClick
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&& !$(e.target).is($prevEl)
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&& !$(e.target).is($nextEl)
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) {
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let isHidden;
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if ($nextEl) {
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isHidden = $nextEl.hasClass(swiper.params.navigation.hiddenClass);
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} else if ($prevEl) {
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isHidden = $prevEl.hasClass(swiper.params.navigation.hiddenClass);
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}
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if (isHidden === true) {
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swiper.emit('navigationShow', swiper);
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} else {
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swiper.emit('navigationHide', swiper);
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}
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if ($nextEl) {
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$nextEl.toggleClass(swiper.params.navigation.hiddenClass);
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}
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if ($prevEl) {
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$prevEl.toggleClass(swiper.params.navigation.hiddenClass);
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}
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}
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},
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},
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};
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