108 lines
3.8 KiB
Vue
108 lines
3.8 KiB
Vue
<template>
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<DocSectionText v-bind="$attrs">
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<p>
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VirtualScroller is used to render a long list of options efficiently like 100K records in this demo. The configuration is done with <i>virtualScrollerOptions</i> property, refer to the
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<NuxtLink to="/virtualscroller">VirtualScroller</NuxtLink> for more information about the available options as it is used internally by MultiSelect.
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</p>
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</DocSectionText>
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<div class="card flex justify-center">
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<MultiSelect
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v-model="selectedItems"
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:options="items"
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:maxSelectedLabels="3"
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:selectAll="selectAll"
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@selectall-change="onSelectAllChange($event)"
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@change="onChange($event)"
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optionLabel="label"
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optionValue="value"
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:virtualScrollerOptions="{ itemSize: 44 }"
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filter
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placeholder="Select Item"
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class="w-full md:w-80"
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/>
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</div>
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<DocSectionCode :code="code" />
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</template>
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<script>
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export default {
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data() {
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return {
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selectedItems: null,
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selectAll: false,
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items: Array.from({ length: 100000 }, (_, i) => ({ label: `Item #${i}`, value: i })),
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code: {
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basic: `
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<MultiSelect v-model="selectedItems" :options="items" :maxSelectedLabels="3" :selectAll="selectAll" optionLabel="label" optionValue="value"
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@selectall-change="onSelectAllChange($event)" @change="onChange($event)" :virtualScrollerOptions="{ itemSize: 44 }" filter placeholder="Select Item" class="w-full md:w-80" />
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`,
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options: `
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<template>
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<div class="card flex justify-center">
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<MultiSelect v-model="selectedItems" :options="items" :maxSelectedLabels="3" :selectAll="selectAll" optionLabel="label" optionValue="value"
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@selectall-change="onSelectAllChange($event)" @change="onChange($event)" :virtualScrollerOptions="{ itemSize: 44 }" filter placeholder="Select Item" class="w-full md:w-80" />
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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selectedItems: null,
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selectAll: false,
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items: Array.from({ length: 100000 }, (_, i) => ({ label: \`Item #\${i}\`, value: i }))
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};
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},
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methods: {
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onSelectAllChange(event) {
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this.selectedItems = event.checked ? this.items.map((item) => item.value) : [];
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this.selectAll = event.checked;
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},
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onChange(event) {
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this.selectAll = event.value.length === this.items.length;
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}
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}
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};
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<\/script>
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`,
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composition: `
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<template>
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<div class="card flex justify-center">
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<MultiSelect v-model="selectedItems" :options="items" :maxSelectedLabels="3" :selectAll="selectAll" optionLabel="label" optionValue="value"
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@selectall-change="onSelectAllChange($event)" @change="onChange($event)" :virtualScrollerOptions="{ itemSize: 44 }" filter placeholder="Select Item" class="w-full md:w-80" />
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</div>
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</template>
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<script setup>
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import { ref } from 'vue';
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const selectedItems = ref();
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const selectAll = ref(false);
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const items = ref(Array.from({ length: 100000 }, (_, i) => ({ label: \`Item #\${i}\`, value: i })));
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const onSelectAllChange = (event) => {
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selectedItems.value = event.checked ? items.value.map((item) => item.value) : [];
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selectAll.value = event.checked;
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};
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const onChange = (event) => {
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selectAll.value = event.value.length === items.value.length;
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}
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<\/script>
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`
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}
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};
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},
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methods: {
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onSelectAllChange(event) {
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this.selectedItems = event.checked ? this.items.map((item) => item.value) : [];
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this.selectAll = event.checked;
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},
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onChange(event) {
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this.selectAll = event.value.length === this.items.length;
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}
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}
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};
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</script>
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