650 lines
26 KiB
Vue
Executable File
650 lines
26 KiB
Vue
Executable File
<template>
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<div :class="cx('root')" role="region" v-bind="ptmi('root')">
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<div v-if="$slots.header" :class="cx('header')" v-bind="ptm('header')">
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<slot name="header"></slot>
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</div>
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<div v-if="!empty" :class="[cx('content'), contentClass]" v-bind="ptm('content')">
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<div :class="[cx('container'), containerClass]" :aria-live="allowAutoplay ? 'polite' : 'off'" v-bind="ptm('container')">
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<button
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v-if="showNavigators"
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v-ripple
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type="button"
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:class="cx('previousButton')"
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:disabled="backwardIsDisabled"
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:aria-label="ariaPrevButtonLabel"
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@click="navBackward"
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v-bind="{ ...prevButtonProps, ...ptm('previousButton') }"
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data-pc-group-section="navigator"
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>
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<slot name="previousicon">
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<component :is="isVertical() ? 'ChevronUpIcon' : 'ChevronLeftIcon'" :class="cx('previousButtonIcon')" v-bind="ptm('previousButtonIcon')" />
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</slot>
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</button>
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<div :class="cx('itemsContent')" :style="[{ height: isVertical() ? verticalViewPortHeight : 'auto' }]" @touchend="onTouchEnd" @touchstart="onTouchStart" @touchmove="onTouchMove" v-bind="ptm('itemsContent')">
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<div ref="itemsContainer" :class="cx('itemsContainer')" @transitionend="onTransitionEnd" v-bind="ptm('itemsContainer')">
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<template v-if="isCircular()">
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<div
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v-for="(item, index) of value.slice(-1 * d_numVisible)"
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:key="index + '_scloned'"
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:class="cx('itemCloned', { index, value, totalShiftedItems, d_numVisible })"
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v-bind="ptm('itemCloned')"
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:data-p-carousel-item-active="totalShiftedItems * -1 === value.length + d_numVisible"
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:data-p-carousel-item-start="index === 0"
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:data-p-carousel-item-end="value.slice(-1 * d_numVisible).length - 1 === index"
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>
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<slot name="item" :data="item" :index="index"></slot>
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</div>
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</template>
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<div
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v-for="(item, index) of value"
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:key="index"
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:class="cx('item', { index })"
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role="group"
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:aria-hidden="firstIndex() > index || lastIndex() < index ? true : undefined"
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:aria-label="ariaSlideNumber(index)"
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:aria-roledescription="ariaSlideLabel"
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v-bind="ptm('item')"
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:data-p-carousel-item-active="firstIndex() <= index && lastIndex() >= index"
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:data-p-carousel-item-start="firstIndex() === index"
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:data-p-carousel-item-end="lastIndex() === index"
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>
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<slot name="item" :data="item" :index="index"></slot>
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</div>
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<template v-if="isCircular()">
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<div v-for="(item, index) of value.slice(0, d_numVisible)" :key="index + '_fcloned'" :class="cx('itemCloned', { index, value, totalShiftedItems, d_numVisible })" v-bind="ptm('itemCloned')">
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<slot name="item" :data="item" :index="index"></slot>
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</div>
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</template>
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</div>
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</div>
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<button
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v-if="showNavigators"
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v-ripple
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type="button"
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:class="cx('nextButton')"
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:disabled="forwardIsDisabled"
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:aria-label="ariaNextButtonLabel"
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@click="navForward"
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v-bind="{ ...nextButtonProps, ...ptm('nextButton') }"
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data-pc-group-section="navigator"
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>
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<slot name="nexticon">
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<component :is="isVertical() ? 'ChevronDownIcon' : 'ChevronRightIcon'" :class="cx('nextButtonIcon')" v-bind="ptm('nextButtonIcon')" />
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</slot>
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</button>
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</div>
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<ul v-if="totalIndicators >= 0 && showIndicators" ref="indicatorContent" :class="[cx('indicators'), indicatorsContentClass]" @keydown="onIndicatorKeydown" v-bind="ptm('indicators')">
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<li v-for="(indicator, i) of totalIndicators" :key="'p-carousel-indicator-' + i.toString()" :class="cx('indicator', { index: i })" v-bind="ptm('indicator', getIndicatorPTOptions(i))" :data-p-highlight="d_page === i">
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<button
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:class="cx('indicatorButton')"
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type="button"
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:tabindex="d_page === i ? '0' : '-1'"
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:aria-label="ariaPageLabel(i + 1)"
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:aria-current="d_page === i ? 'page' : undefined"
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@click="onIndicatorClick($event, i)"
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v-bind="ptm('indicatorButton', getIndicatorPTOptions(i))"
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/>
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</li>
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</ul>
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</div>
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<slot v-else name="empty">
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{{ emptyMessageText }}
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</slot>
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<div v-if="$slots.footer" :class="cx('footer')" v-bind="ptm('footer')">
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<slot name="footer"></slot>
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</div>
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</div>
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</template>
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<script>
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import ChevronDownIcon from 'primevue/icons/chevrondown';
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import ChevronLeftIcon from 'primevue/icons/chevronleft';
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import ChevronRightIcon from 'primevue/icons/chevronright';
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import ChevronUpIcon from 'primevue/icons/chevronup';
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import Ripple from 'primevue/ripple';
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import { DomHandler, ObjectUtils, UniqueComponentId } from 'primevue/utils';
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import BaseCarousel from './BaseCarousel.vue';
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export default {
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name: 'Carousel',
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extends: BaseCarousel,
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inheritAttrs: false,
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emits: ['update:page'],
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isRemainingItemsAdded: false,
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data() {
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return {
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remainingItems: 0,
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d_numVisible: this.numVisible,
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d_numScroll: this.numScroll,
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d_oldNumScroll: 0,
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d_oldNumVisible: 0,
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d_oldValue: null,
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d_page: this.page,
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totalShiftedItems: this.page * this.numScroll * -1,
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allowAutoplay: !!this.autoplayInterval,
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d_circular: this.circular || this.allowAutoplay,
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swipeThreshold: 20
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};
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},
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watch: {
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page(newValue) {
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if (newValue > this.d_page) {
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this.navForward({}, newValue);
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} else if (newValue < this.d_page) {
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this.navBackward({}, newValue);
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}
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this.d_page = newValue;
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},
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circular(newValue) {
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this.d_circular = newValue;
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},
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numVisible(newValue, oldValue) {
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this.d_numVisible = newValue;
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this.d_oldNumVisible = oldValue;
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},
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numScroll(newValue, oldValue) {
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this.d_oldNumScroll = oldValue;
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this.d_numScroll = newValue;
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},
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value(oldValue) {
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this.d_oldValue = oldValue;
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}
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},
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mounted() {
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let stateChanged = false;
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this.$el.setAttribute(this.attributeSelector, '');
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this.createStyle();
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this.calculatePosition();
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if (this.responsiveOptions) {
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this.bindDocumentListeners();
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}
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if (this.isCircular()) {
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let totalShiftedItems = this.totalShiftedItems;
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if (this.d_page === 0) {
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totalShiftedItems = -1 * this.d_numVisible;
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} else if (totalShiftedItems === 0) {
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totalShiftedItems = -1 * this.value.length;
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if (this.remainingItems > 0) {
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this.isRemainingItemsAdded = true;
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}
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}
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if (totalShiftedItems !== this.totalShiftedItems) {
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this.totalShiftedItems = totalShiftedItems;
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stateChanged = true;
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}
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}
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if (!stateChanged && this.isAutoplay()) {
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this.startAutoplay();
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}
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},
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updated() {
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if (!this.empty) {
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const isCircular = this.isCircular();
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let stateChanged = false;
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let totalShiftedItems = this.totalShiftedItems;
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if (this.autoplayInterval) {
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this.stopAutoplay();
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}
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if (this.d_oldNumScroll !== this.d_numScroll || this.d_oldNumVisible !== this.d_numVisible || this.d_oldValue.length !== this.value.length) {
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this.remainingItems = (this.value.length - this.d_numVisible) % this.d_numScroll;
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let page = this.d_page;
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if (this.totalIndicators !== 0 && page >= this.totalIndicators) {
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page = this.totalIndicators - 1;
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this.$emit('update:page', page);
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this.d_page = page;
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stateChanged = true;
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}
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totalShiftedItems = page * this.d_numScroll * -1;
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if (isCircular) {
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totalShiftedItems -= this.d_numVisible;
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}
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if (page === this.totalIndicators - 1 && this.remainingItems > 0) {
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totalShiftedItems += -1 * this.remainingItems + this.d_numScroll;
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this.isRemainingItemsAdded = true;
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} else {
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this.isRemainingItemsAdded = false;
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}
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if (totalShiftedItems !== this.totalShiftedItems) {
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this.totalShiftedItems = totalShiftedItems;
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stateChanged = true;
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}
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this.d_oldNumScroll = this.d_numScroll;
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this.d_oldNumVisible = this.d_numVisible;
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this.d_oldValue = this.value;
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this.$refs.itemsContainer.style.transform = this.isVertical() ? `translate3d(0, ${totalShiftedItems * (100 / this.d_numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100 / this.d_numVisible)}%, 0, 0)`;
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}
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if (isCircular) {
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if (this.d_page === 0) {
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totalShiftedItems = -1 * this.d_numVisible;
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} else if (totalShiftedItems === 0) {
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totalShiftedItems = -1 * this.value.length;
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if (this.remainingItems > 0) {
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this.isRemainingItemsAdded = true;
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}
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}
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if (totalShiftedItems !== this.totalShiftedItems) {
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this.totalShiftedItems = totalShiftedItems;
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stateChanged = true;
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}
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}
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if (!stateChanged && this.isAutoplay()) {
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this.startAutoplay();
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}
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}
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},
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beforeUnmount() {
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if (this.responsiveOptions) {
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this.unbindDocumentListeners();
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}
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if (this.autoplayInterval) {
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this.stopAutoplay();
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}
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},
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methods: {
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getIndicatorPTOptions(index) {
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return {
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context: {
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highlighted: index === this.d_page
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}
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};
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},
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step(dir, page) {
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let totalShiftedItems = this.totalShiftedItems;
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const isCircular = this.isCircular();
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if (page != null) {
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totalShiftedItems = this.d_numScroll * page * -1;
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if (isCircular) {
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totalShiftedItems -= this.d_numVisible;
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}
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this.isRemainingItemsAdded = false;
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} else {
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totalShiftedItems += this.d_numScroll * dir;
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if (this.isRemainingItemsAdded) {
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totalShiftedItems += this.remainingItems - this.d_numScroll * dir;
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this.isRemainingItemsAdded = false;
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}
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let originalShiftedItems = isCircular ? totalShiftedItems + this.d_numVisible : totalShiftedItems;
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page = Math.abs(Math.floor(originalShiftedItems / this.d_numScroll));
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}
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if (isCircular && this.d_page === this.totalIndicators - 1 && dir === -1) {
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totalShiftedItems = -1 * (this.value.length + this.d_numVisible);
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page = 0;
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} else if (isCircular && this.d_page === 0 && dir === 1) {
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totalShiftedItems = 0;
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page = this.totalIndicators - 1;
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} else if (page === this.totalIndicators - 1 && this.remainingItems > 0) {
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totalShiftedItems += this.remainingItems * -1 - this.d_numScroll * dir;
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this.isRemainingItemsAdded = true;
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}
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if (this.$refs.itemsContainer) {
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!this.isUnstyled && DomHandler.removeClass(this.$refs.itemsContainer, 'p-items-hidden');
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this.$refs.itemsContainer.style.transform = this.isVertical() ? `translate3d(0, ${totalShiftedItems * (100 / this.d_numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100 / this.d_numVisible)}%, 0, 0)`;
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this.$refs.itemsContainer.style.transition = 'transform 500ms ease 0s';
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}
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this.totalShiftedItems = totalShiftedItems;
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this.$emit('update:page', page);
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this.d_page = page;
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},
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calculatePosition() {
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if (this.$refs.itemsContainer && this.responsiveOptions) {
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let windowWidth = window.innerWidth;
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let matchedResponsiveOptionsData = {
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numVisible: this.numVisible,
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numScroll: this.numScroll
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};
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for (let i = 0; i < this.responsiveOptions.length; i++) {
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let res = this.responsiveOptions[i];
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if (parseInt(res.breakpoint, 10) >= windowWidth) {
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matchedResponsiveOptionsData = res;
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}
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}
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if (this.d_numScroll !== matchedResponsiveOptionsData.numScroll) {
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let page = this.d_page;
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page = parseInt((page * this.d_numScroll) / matchedResponsiveOptionsData.numScroll);
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this.totalShiftedItems = matchedResponsiveOptionsData.numScroll * page * -1;
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if (this.isCircular()) {
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this.totalShiftedItems -= matchedResponsiveOptionsData.numVisible;
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}
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this.d_numScroll = matchedResponsiveOptionsData.numScroll;
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this.$emit('update:page', page);
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this.d_page = page;
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}
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if (this.d_numVisible !== matchedResponsiveOptionsData.numVisible) {
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this.d_numVisible = matchedResponsiveOptionsData.numVisible;
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}
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}
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},
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navBackward(e, index) {
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if (this.d_circular || this.d_page !== 0) {
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this.step(1, index);
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}
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this.allowAutoplay = false;
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if (e.cancelable) {
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e.preventDefault();
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}
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},
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navForward(e, index) {
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if (this.d_circular || this.d_page < this.totalIndicators - 1) {
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this.step(-1, index);
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}
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this.allowAutoplay = false;
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if (e.cancelable) {
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e.preventDefault();
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}
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},
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onIndicatorClick(e, index) {
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let page = this.d_page;
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if (index > page) {
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this.navForward(e, index);
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} else if (index < page) {
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this.navBackward(e, index);
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}
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},
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onTransitionEnd() {
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if (this.$refs.itemsContainer) {
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!this.isUnstyled && DomHandler.addClass(this.$refs.itemsContainer, 'p-items-hidden');
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this.$refs.itemsContainer.style.transition = '';
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if ((this.d_page === 0 || this.d_page === this.totalIndicators - 1) && this.isCircular()) {
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this.$refs.itemsContainer.style.transform = this.isVertical() ? `translate3d(0, ${this.totalShiftedItems * (100 / this.d_numVisible)}%, 0)` : `translate3d(${this.totalShiftedItems * (100 / this.d_numVisible)}%, 0, 0)`;
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}
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}
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},
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onTouchStart(e) {
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let touchobj = e.changedTouches[0];
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this.startPos = {
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x: touchobj.pageX,
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y: touchobj.pageY
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};
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},
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onTouchMove(e) {
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const touchobj = e.changedTouches[0];
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const diff = this.isVertical() ? touchobj.pageY - this.startPos.y : touchobj.pageX - this.startPos.x;
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if (Math.abs(diff) > this.swipeThreshold && e.cancelable) {
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e.preventDefault();
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}
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},
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onTouchEnd(e) {
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let touchobj = e.changedTouches[0];
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if (this.isVertical()) {
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this.changePageOnTouch(e, touchobj.pageY - this.startPos.y);
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} else {
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this.changePageOnTouch(e, touchobj.pageX - this.startPos.x);
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}
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},
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changePageOnTouch(e, diff) {
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if (Math.abs(diff) > this.swipeThreshold) {
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if (diff < 0) {
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// left
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this.navForward(e);
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} else {
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// right
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this.navBackward(e);
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}
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}
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},
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onIndicatorKeydown(event) {
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switch (event.code) {
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case 'ArrowRight':
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this.onRightKey();
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break;
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case 'ArrowLeft':
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this.onLeftKey();
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break;
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case 'Home':
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this.onHomeKey();
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event.preventDefault();
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break;
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case 'End':
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this.onEndKey();
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event.preventDefault();
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break;
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case 'ArrowUp':
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case 'ArrowDown':
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case 'PageUp':
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case 'PageDown':
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event.preventDefault();
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break;
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case 'Tab':
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this.onTabKey();
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break;
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default:
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break;
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}
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},
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onRightKey() {
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const indicators = [...DomHandler.find(this.$refs.indicatorContent, '[data-pc-section="indicator"]')];
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const activeIndex = this.findFocusedIndicatorIndex();
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this.changedFocusedIndicator(activeIndex, activeIndex + 1 === indicators.length ? indicators.length - 1 : activeIndex + 1);
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},
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onLeftKey() {
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const activeIndex = this.findFocusedIndicatorIndex();
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this.changedFocusedIndicator(activeIndex, activeIndex - 1 <= 0 ? 0 : activeIndex - 1);
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},
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onHomeKey() {
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const activeIndex = this.findFocusedIndicatorIndex();
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this.changedFocusedIndicator(activeIndex, 0);
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},
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onEndKey() {
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const indicators = [...DomHandler.find(this.$refs.indicatorContent, '[data-pc-section="indicator"]')];
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const activeIndex = this.findFocusedIndicatorIndex();
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this.changedFocusedIndicator(activeIndex, indicators.length - 1);
|
|
},
|
|
onTabKey() {
|
|
const indicators = [...DomHandler.find(this.$refs.indicatorContent, '[data-pc-section="indicator"]')];
|
|
const highlightedIndex = indicators.findIndex((ind) => DomHandler.getAttribute(ind, 'data-p-highlight') === true);
|
|
|
|
const activeIndicator = DomHandler.findSingle(this.$refs.indicatorContent, '[data-pc-section="indicator"] > button[tabindex="0"]');
|
|
const activeIndex = indicators.findIndex((ind) => ind === activeIndicator.parentElement);
|
|
|
|
indicators[activeIndex].children[0].tabIndex = '-1';
|
|
indicators[highlightedIndex].children[0].tabIndex = '0';
|
|
},
|
|
findFocusedIndicatorIndex() {
|
|
const indicators = [...DomHandler.find(this.$refs.indicatorContent, '[data-pc-section="indicator"]')];
|
|
const activeIndicator = DomHandler.findSingle(this.$refs.indicatorContent, '[data-pc-section="indicator"] > button[tabindex="0"]');
|
|
|
|
return indicators.findIndex((ind) => ind === activeIndicator.parentElement);
|
|
},
|
|
changedFocusedIndicator(prevInd, nextInd) {
|
|
const indicators = [...DomHandler.find(this.$refs.indicatorContent, '[data-pc-section="indicator"]')];
|
|
|
|
indicators[prevInd].children[0].tabIndex = '-1';
|
|
indicators[nextInd].children[0].tabIndex = '0';
|
|
indicators[nextInd].children[0].focus();
|
|
},
|
|
bindDocumentListeners() {
|
|
if (!this.documentResizeListener) {
|
|
this.documentResizeListener = (e) => {
|
|
this.calculatePosition(e);
|
|
};
|
|
|
|
window.addEventListener('resize', this.documentResizeListener);
|
|
}
|
|
},
|
|
unbindDocumentListeners() {
|
|
if (this.documentResizeListener) {
|
|
window.removeEventListener('resize', this.documentResizeListener);
|
|
this.documentResizeListener = null;
|
|
}
|
|
},
|
|
startAutoplay() {
|
|
this.interval = setInterval(() => {
|
|
if (this.d_page === this.totalIndicators - 1) {
|
|
this.step(-1, 0);
|
|
} else {
|
|
this.step(-1, this.d_page + 1);
|
|
}
|
|
}, this.autoplayInterval);
|
|
},
|
|
stopAutoplay() {
|
|
if (this.interval) {
|
|
clearInterval(this.interval);
|
|
}
|
|
},
|
|
createStyle() {
|
|
if (!this.carouselStyle) {
|
|
this.carouselStyle = document.createElement('style');
|
|
this.carouselStyle.type = 'text/css';
|
|
DomHandler.setAttribute(this.carouselStyle, 'nonce', this.$primevue?.config?.csp?.nonce);
|
|
document.body.appendChild(this.carouselStyle);
|
|
}
|
|
|
|
let innerHTML = `
|
|
.p-carousel[${this.attributeSelector}] .p-carousel-item {
|
|
flex: 1 0 ${100 / this.d_numVisible}%
|
|
}
|
|
`;
|
|
|
|
if (this.responsiveOptions && !this.isUnstyled) {
|
|
let _responsiveOptions = [...this.responsiveOptions];
|
|
const comparer = ObjectUtils.localeComparator();
|
|
|
|
_responsiveOptions.sort((data1, data2) => {
|
|
const value1 = data1.breakpoint;
|
|
const value2 = data2.breakpoint;
|
|
|
|
return ObjectUtils.sort(value1, value2, -1, comparer);
|
|
});
|
|
|
|
for (let i = 0; i < _responsiveOptions.length; i++) {
|
|
let res = _responsiveOptions[i];
|
|
|
|
innerHTML += `
|
|
@media screen and (max-width: ${res.breakpoint}) {
|
|
.p-carousel[${this.attributeSelector}] .p-carousel-item {
|
|
flex: 1 0 ${100 / res.numVisible}%
|
|
}
|
|
}
|
|
`;
|
|
}
|
|
}
|
|
|
|
this.carouselStyle.innerHTML = innerHTML;
|
|
},
|
|
isVertical() {
|
|
return this.orientation === 'vertical';
|
|
},
|
|
isCircular() {
|
|
return this.value && this.d_circular && this.value.length >= this.d_numVisible;
|
|
},
|
|
isAutoplay() {
|
|
return this.autoplayInterval && this.allowAutoplay;
|
|
},
|
|
firstIndex() {
|
|
return this.isCircular() ? -1 * (this.totalShiftedItems + this.d_numVisible) : this.totalShiftedItems * -1;
|
|
},
|
|
lastIndex() {
|
|
return this.firstIndex() + this.d_numVisible - 1;
|
|
},
|
|
ariaSlideNumber(value) {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.slideNumber.replace(/{slideNumber}/g, value) : undefined;
|
|
},
|
|
ariaPageLabel(value) {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.pageLabel.replace(/{page}/g, value) : undefined;
|
|
}
|
|
},
|
|
computed: {
|
|
totalIndicators() {
|
|
return this.value ? Math.max(Math.ceil((this.value.length - this.d_numVisible) / this.d_numScroll) + 1, 0) : 0;
|
|
},
|
|
backwardIsDisabled() {
|
|
return this.value && (!this.circular || this.value.length < this.d_numVisible) && this.d_page === 0;
|
|
},
|
|
forwardIsDisabled() {
|
|
return this.value && (!this.circular || this.value.length < this.d_numVisible) && (this.d_page === this.totalIndicators - 1 || this.totalIndicators === 0);
|
|
},
|
|
ariaSlideLabel() {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.slide : undefined;
|
|
},
|
|
ariaPrevButtonLabel() {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.prevPageLabel : undefined;
|
|
},
|
|
ariaNextButtonLabel() {
|
|
return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria.nextPageLabel : undefined;
|
|
},
|
|
attributeSelector() {
|
|
return UniqueComponentId();
|
|
},
|
|
empty() {
|
|
return !this.value || this.value.length === 0;
|
|
},
|
|
emptyMessageText() {
|
|
return this.$primevue.config?.locale?.emptyMessage || '';
|
|
}
|
|
},
|
|
components: {
|
|
ChevronRightIcon,
|
|
ChevronDownIcon,
|
|
ChevronLeftIcon,
|
|
ChevronUpIcon
|
|
},
|
|
directives: {
|
|
ripple: Ripple
|
|
}
|
|
};
|
|
</script>
|