primevue-mirror/pages/autocomplete/index.vue

161 lines
6.4 KiB
Vue
Executable File

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