2022-09-09 20:41:18 +00:00
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<template>
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<div>
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2022-12-19 11:57:07 +00:00
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<Head>
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<Title>Vue AutoComplete Component</Title>
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<Meta name="description" content="AutoComplete is an input component that provides real-time suggestions when being typed." />
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</Head>
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2022-09-09 20:41:18 +00:00
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<div class="content-section introduction">
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<div class="feature-intro">
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<h1>AutoComplete</h1>
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<p>AutoComplete is an input component that provides real-time suggestions when being typed.</p>
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</div>
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<AppDemoActions />
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</div>
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<div class="content-section implementation">
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<div class="card">
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<h5>Basic</h5>
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<AutoComplete v-model="selectedCountry1" :suggestions="filteredCountries" @complete="searchCountry($event)" optionLabel="name" />
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<h5>Grouped</h5>
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<AutoComplete v-model="selectedCity" :suggestions="filteredCities" @complete="searchCity($event)" optionLabel="label" optionGroupLabel="label" optionGroupChildren="items">
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<template #optiongroup="slotProps">
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<div class="flex align-items-center country-item">
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2022-12-26 16:20:31 +00:00
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<img src="@/assets/images/flag_placeholder.png" :class="'flag flag-' + slotProps.item.code.toLowerCase()" width="18" />
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2022-09-09 20:41:18 +00:00
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<div>{{ slotProps.item.label }}</div>
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</div>
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</template>
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</AutoComplete>
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<h5>Dropdown, Templating and Force Selection</h5>
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<AutoComplete v-model="selectedCountry2" loadingIcon="pi pi-spinner" :suggestions="filteredCountries" @complete="searchCountry($event)" :dropdown="true" optionLabel="name" forceSelection>
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<template #item="slotProps">
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<div class="country-item">
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2022-12-26 16:20:31 +00:00
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<img src="@/assets/images/flag_placeholder.png" :class="'flag flag-' + slotProps.item.code.toLowerCase()" />
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2022-09-09 20:41:18 +00:00
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<div>{{ slotProps.item.name }}</div>
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</div>
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</template>
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</AutoComplete>
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<h5>Virtual Scroll (1000 Items)</h5>
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<AutoComplete v-model="selectedItem" :suggestions="filteredItems" @complete="searchItems" :virtualScrollerOptions="{ itemSize: 38 }" optionLabel="label" dropdown />
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<h5>Multiple</h5>
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<span class="p-fluid">
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2022-12-08 12:26:57 +00:00
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<AutoComplete v-model="selectedCountries" :multiple="true" :suggestions="filteredCountries" @complete="searchCountry($event)" optionLabel="name" />
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2022-09-09 20:41:18 +00:00
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</span>
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</div>
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</div>
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<AutoCompleteDoc />
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</div>
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</template>
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<script>
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2022-12-08 12:26:57 +00:00
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import { FilterMatchMode, FilterService } from 'primevue/api';
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2022-09-09 20:41:18 +00:00
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import CountryService from '../../service/CountryService';
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import AutoCompleteDoc from './AutoCompleteDoc';
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export default {
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data() {
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return {
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countries: null,
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selectedCountry1: null,
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selectedCountry2: null,
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selectedCity: null,
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filteredCities: null,
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filteredCountries: null,
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selectedCountries: [],
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selectedItem: null,
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filteredItems: null,
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groupedCities: [
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{
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label: 'Germany',
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code: 'DE',
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items: [
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{ label: 'Berlin', value: 'Berlin' },
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{ label: 'Frankfurt', value: 'Frankfurt' },
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{ label: 'Hamburg', value: 'Hamburg' },
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{ label: 'Munich', value: 'Munich' }
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]
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},
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{
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label: 'USA',
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code: 'US',
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items: [
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{ label: 'Chicago', value: 'Chicago' },
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{ label: 'Los Angeles', value: 'Los Angeles' },
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{ label: 'New York', value: 'New York' },
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{ label: 'San Francisco', value: 'San Francisco' }
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]
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},
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{
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label: 'Japan',
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code: 'JP',
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items: [
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{ label: 'Kyoto', value: 'Kyoto' },
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{ label: 'Osaka', value: 'Osaka' },
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{ label: 'Tokyo', value: 'Tokyo' },
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{ label: 'Yokohama', value: 'Yokohama' }
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]
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}
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],
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items: Array.from({ length: 1000 }, (_, i) => ({ label: `Item #${i}`, value: i }))
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};
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},
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countryService: null,
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created() {
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this.countryService = new CountryService();
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},
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mounted() {
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this.countryService.getCountries().then((data) => (this.countries = data));
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},
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methods: {
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searchCountry(event) {
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setTimeout(() => {
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if (!event.query.trim().length) {
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this.filteredCountries = [...this.countries];
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} else {
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this.filteredCountries = this.countries.filter((country) => {
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return country.name.toLowerCase().startsWith(event.query.toLowerCase());
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});
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}
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}, 250);
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},
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searchCity(event) {
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let query = event.query;
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let filteredCities = [];
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for (let country of this.groupedCities) {
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let filteredItems = FilterService.filter(country.items, ['label'], query, FilterMatchMode.CONTAINS);
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2022-12-08 12:26:57 +00:00
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2022-09-09 20:41:18 +00:00
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if (filteredItems && filteredItems.length) {
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filteredCities.push({ ...country, ...{ items: filteredItems } });
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}
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}
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this.filteredCities = filteredCities;
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},
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searchItems(event) {
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//in a real application, make a request to a remote url with the query and return filtered results, for demo we filter at client side
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let query = event.query;
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let filteredItems = [];
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for (let i = 0; i < this.items.length; i++) {
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let item = this.items[i];
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2022-12-08 12:26:57 +00:00
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2022-09-09 20:41:18 +00:00
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if (item.label.toLowerCase().indexOf(query.toLowerCase()) === 0) {
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filteredItems.push(item);
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}
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}
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this.filteredItems = filteredItems;
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}
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},
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components: {
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AutoCompleteDoc: AutoCompleteDoc
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}
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};
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</script>
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