312 lines
12 KiB
Vue
Executable File
312 lines
12 KiB
Vue
Executable File
<template>
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<nav v-if="alwaysShow ? true : pageLinks && pageLinks.length > 1" v-bind="ptmi('paginatorWrapper')">
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<div v-for="(value, key) in templateItems" :key="key" ref="paginator" :class="cx('paginator', { key })" v-bind="ptm('root')">
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<div v-if="$slots.start" :class="cx('start')" v-bind="ptm('start')">
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<slot name="start" :state="currentState"></slot>
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</div>
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<template v-for="item in value" :key="item">
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<FirstPageLink v-if="item === 'FirstPageLink'" :aria-label="getAriaLabel('firstPageLabel')" :template="$slots.firstpagelinkicon" @click="changePageToFirst($event)" :disabled="isFirstPage || empty" :unstyled="unstyled" :pt="pt" />
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<PrevPageLink v-else-if="item === 'PrevPageLink'" :aria-label="getAriaLabel('prevPageLabel')" :template="$slots.prevpagelinkicon" @click="changePageToPrev($event)" :disabled="isFirstPage || empty" :unstyled="unstyled" :pt="pt" />
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<NextPageLink v-else-if="item === 'NextPageLink'" :aria-label="getAriaLabel('nextPageLabel')" :template="$slots.nextpagelinkicon" @click="changePageToNext($event)" :disabled="isLastPage || empty" :unstyled="unstyled" :pt="pt" />
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<LastPageLink v-else-if="item === 'LastPageLink'" :aria-label="getAriaLabel('lastPageLabel')" :template="$slots.lastpagelinkicon" @click="changePageToLast($event)" :disabled="isLastPage || empty" :unstyled="unstyled" :pt="pt" />
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<PageLinks v-else-if="item === 'PageLinks'" :aria-label="getAriaLabel('pageLabel')" :value="pageLinks" :page="page" @click="changePageLink($event)" :pt="pt" />
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<CurrentPageReport
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v-else-if="item === 'CurrentPageReport'"
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aria-live="polite"
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:template="currentPageReportTemplate"
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:currentPage="currentPage"
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:page="page"
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:pageCount="pageCount"
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:first="d_first"
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:rows="d_rows"
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:totalRecords="totalRecords"
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:unstyled="unstyled"
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:pt="pt"
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/>
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<RowsPerPageDropdown
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v-else-if="item === 'RowsPerPageDropdown' && rowsPerPageOptions"
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:aria-label="getAriaLabel('rowsPerPageLabel')"
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:rows="d_rows"
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:options="rowsPerPageOptions"
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@rows-change="onRowChange($event)"
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:disabled="empty"
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:templates="$slots"
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:unstyled="unstyled"
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:pt="pt"
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/>
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<JumpToPageDropdown
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v-else-if="item === 'JumpToPageDropdown'"
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:aria-label="getAriaLabel('jumpToPageDropdownLabel')"
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:page="page"
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:pageCount="pageCount"
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@page-change="changePage($event)"
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:disabled="empty"
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:templates="$slots"
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:unstyled="unstyled"
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:pt="pt"
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/>
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<JumpToPageInput v-else-if="item === 'JumpToPageInput'" :page="currentPage" @page-change="changePage($event)" :disabled="empty" :unstyled="unstyled" :pt="pt" />
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</template>
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<div v-if="$slots.end" :class="cx('end')" v-bind="ptm('end')">
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<slot name="end" :state="currentState"></slot>
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</div>
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</div>
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</nav>
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</template>
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<script>
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import { DomHandler, UniqueComponentId } from 'primevue/utils';
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import BasePaginator from './BasePaginator.vue';
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import CurrrentPageReport from './CurrentPageReport.vue';
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import FirstPageLink from './FirstPageLink.vue';
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import JumpToPageDropdown from './JumpToPageDropdown.vue';
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import JumpToPageInput from './JumpToPageInput.vue';
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import LastPageLink from './LastPageLink.vue';
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import NextPageLink from './NextPageLink.vue';
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import PageLinks from './PageLinks.vue';
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import PrevPageLink from './PrevPageLink.vue';
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import RowsPerPageDropdown from './RowsPerPageDropdown.vue';
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export default {
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name: 'Paginator',
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extends: BasePaginator,
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inheritAttrs: false,
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emits: ['update:first', 'update:rows', 'page'],
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data() {
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return {
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d_first: this.first,
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d_rows: this.rows
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};
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},
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watch: {
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first(newValue) {
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this.d_first = newValue;
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},
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rows(newValue) {
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this.d_rows = newValue;
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},
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totalRecords(newValue) {
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if (this.page > 0 && newValue && this.d_first >= newValue) {
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this.changePage(this.pageCount - 1);
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}
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}
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},
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mounted() {
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this.setPaginatorAttribute();
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this.createStyle();
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},
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methods: {
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changePage(p) {
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const pc = this.pageCount;
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if (p >= 0 && p < pc) {
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this.d_first = this.d_rows * p;
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const state = {
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page: p,
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first: this.d_first,
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rows: this.d_rows,
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pageCount: pc
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};
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this.$emit('update:first', this.d_first);
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this.$emit('update:rows', this.d_rows);
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this.$emit('page', state);
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}
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},
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changePageToFirst(event) {
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if (!this.isFirstPage) {
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this.changePage(0);
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}
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event.preventDefault();
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},
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changePageToPrev(event) {
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this.changePage(this.page - 1);
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event.preventDefault();
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},
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changePageLink(event) {
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this.changePage(event.value - 1);
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event.originalEvent.preventDefault();
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},
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changePageToNext(event) {
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this.changePage(this.page + 1);
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event.preventDefault();
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},
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changePageToLast(event) {
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if (!this.isLastPage) {
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this.changePage(this.pageCount - 1);
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}
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event.preventDefault();
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},
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onRowChange(value) {
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this.d_rows = value;
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this.changePage(this.page);
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},
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createStyle() {
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if (this.hasBreakpoints() && !this.isUnstyled) {
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this.styleElement = document.createElement('style');
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this.styleElement.type = 'text/css';
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DomHandler.setAttribute(this.styleElement, 'nonce', this.$primevue?.config?.csp?.nonce);
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document.head.appendChild(this.styleElement);
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let innerHTML = '';
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const keys = Object.keys(this.template);
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const sortedBreakpoints = {};
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keys.sort((a, b) => parseInt(a) - parseInt(b)).forEach((key) => {
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sortedBreakpoints[key] = this.template[key];
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});
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for (const [index, [key]] of Object.entries(Object.entries(sortedBreakpoints))) {
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let minValue, calculatedMinValue;
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if (key !== 'default' && typeof Object.keys(sortedBreakpoints)[index - 1] === 'string') {
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calculatedMinValue = Number(Object.keys(sortedBreakpoints)[index - 1].slice(0, -2)) + 1 + 'px';
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} else {
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calculatedMinValue = Object.keys(sortedBreakpoints)[index - 1];
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}
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minValue = Object.entries(sortedBreakpoints)[index - 1] ? `and (min-width:${calculatedMinValue})` : '';
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if (key === 'default') {
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innerHTML += `
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@media screen ${minValue} {
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.paginator[${this.attributeSelector}],
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display: flex;
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}
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}
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`;
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} else {
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innerHTML += `
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.paginator[${this.attributeSelector}], .p-paginator-${key} {
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display: none;
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}
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@media screen ${minValue} and (max-width: ${key}) {
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.paginator[${this.attributeSelector}], .p-paginator-${key} {
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display: flex;
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}
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.paginator[${this.attributeSelector}],
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.p-paginator-default{
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display: none;
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}
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}
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`;
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}
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}
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this.styleElement.innerHTML = innerHTML;
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}
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},
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hasBreakpoints() {
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return typeof this.template === 'object';
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},
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setPaginatorAttribute() {
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if (this.$refs.paginator && this.$refs.paginator.length >= 0) {
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[...this.$refs.paginator].forEach((el) => {
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el.setAttribute(this.attributeSelector, '');
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});
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}
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},
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getAriaLabel(labelType) {
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return this.$primevue.config.locale.aria ? this.$primevue.config.locale.aria[labelType] : undefined;
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}
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},
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computed: {
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templateItems() {
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let keys = {};
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if (this.hasBreakpoints()) {
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keys = this.template;
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if (!keys.default) {
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keys.default = 'FirstPageLink PrevPageLink PageLinks NextPageLink LastPageLink RowsPerPageDropdown';
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}
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for (const item in keys) {
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keys[item] = this.template[item].split(' ').map((value) => {
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return value.trim();
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});
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}
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return keys;
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}
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keys['default'] = this.template.split(' ').map((value) => {
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return value.trim();
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});
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return keys;
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},
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page() {
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return Math.floor(this.d_first / this.d_rows);
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},
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pageCount() {
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return Math.ceil(this.totalRecords / this.d_rows);
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},
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isFirstPage() {
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return this.page === 0;
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},
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isLastPage() {
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return this.page === this.pageCount - 1;
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},
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calculatePageLinkBoundaries() {
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const numberOfPages = this.pageCount;
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const visiblePages = Math.min(this.pageLinkSize, numberOfPages);
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//calculate range, keep current in middle if necessary
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let start = Math.max(0, Math.ceil(this.page - visiblePages / 2));
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let end = Math.min(numberOfPages - 1, start + visiblePages - 1);
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//check when approaching to last page
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const delta = this.pageLinkSize - (end - start + 1);
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start = Math.max(0, start - delta);
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return [start, end];
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},
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pageLinks() {
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let pageLinks = [];
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let boundaries = this.calculatePageLinkBoundaries;
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let start = boundaries[0];
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let end = boundaries[1];
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for (var i = start; i <= end; i++) {
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pageLinks.push(i + 1);
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}
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return pageLinks;
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},
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currentState() {
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return {
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page: this.page,
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first: this.d_first,
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rows: this.d_rows
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};
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},
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empty() {
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return this.pageCount === 0;
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},
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currentPage() {
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return this.pageCount > 0 ? this.page + 1 : 0;
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},
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attributeSelector() {
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return UniqueComponentId();
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}
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},
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components: {
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CurrentPageReport: CurrrentPageReport,
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FirstPageLink: FirstPageLink,
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LastPageLink: LastPageLink,
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NextPageLink: NextPageLink,
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PageLinks: PageLinks,
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PrevPageLink: PrevPageLink,
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RowsPerPageDropdown: RowsPerPageDropdown,
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JumpToPageDropdown: JumpToPageDropdown,
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JumpToPageInput: JumpToPageInput
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}
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};
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</script>
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