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import { Toggable } from '../mixin/index';
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import { $, getIndex, isTouch, toJQuery, query } from '../util/index';
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export default function (UIkit) {
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UIkit.component('switcher', {
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mixins: [Toggable],
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args: 'connect',
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props: {
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connect: String,
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toggle: String,
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active: Number,
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swiping: Boolean
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},
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defaults: {
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connect: false,
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toggle: ' > *',
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active: 0,
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swiping: true,
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cls: 'uk-active',
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clsContainer: 'uk-switcher',
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attrItem: 'uk-switcher-item',
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queued: true
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},
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connected() {
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this.$emitSync();
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},
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computed: {
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connects() {
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return query(this.connect, this.$el) || $(this.$el.next(`.${this.clsContainer}`));
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},
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toggles() {
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return $(this.toggle, this.$el);
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}
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},
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events: [
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{
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name: 'click',
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delegate() {
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return `${this.toggle}:not(.uk-disabled)`;
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},
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handler(e) {
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e.preventDefault();
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this.show(e.currentTarget);
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}
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},
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{
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name: 'click',
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el() {
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return this.connects;
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},
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delegate() {
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return `[${this.attrItem}],[data-${this.attrItem}]`;
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},
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handler(e) {
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e.preventDefault();
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this.show($(e.currentTarget)[e.currentTarget.hasAttribute(this.attrItem) ? 'attr' : 'data'](this.attrItem));
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}
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},
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{
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name: 'swipeRight swipeLeft',
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filter() {
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return this.swiping;
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},
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el() {
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return this.connects;
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},
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delegate() {
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return `[${this.attrItem}],[data-${this.attrItem}]`;
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},
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handler(e) {
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if (!isTouch(e)) {
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return;
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}
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e.preventDefault();
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if (!window.getSelection().toString()) {
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this.show(e.type === 'swipeLeft' ? 'next' : 'previous');
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}
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}
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}
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],
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update() {
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this.updateAria(this.connects.children());
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this.show(toJQuery(this.toggles.filter(`.${this.cls}:first`)) || toJQuery(this.toggles.eq(this.active)) || this.toggles.first());
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},
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methods: {
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show(item) {
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var length = this.toggles.length,
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prev = this.connects.children(`.${this.cls}`).index(),
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hasPrev = prev >= 0,
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index = getIndex(item, this.toggles, prev),
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dir = item === 'previous' ? -1 : 1,
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toggle;
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for (var i = 0; i < length; i++, index = (index + dir + length) % length) {
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if (!this.toggles.eq(index).is('.uk-disabled, [disabled]')) {
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toggle = this.toggles.eq(index);
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break;
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}
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}
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if (!toggle || prev >= 0 && toggle.hasClass(this.cls) || prev === index) {
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return;
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}
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this.toggles.removeClass(this.cls).attr('aria-expanded', false);
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toggle.addClass(this.cls).attr('aria-expanded', true);
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if (!hasPrev) {
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this.toggleNow(this.connects.children(`:nth-child(${index + 1})`));
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} else {
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this.toggleElement(this.connects.children(`:nth-child(${prev + 1}),:nth-child(${index + 1})`));
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}
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}
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}
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});
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}
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