<template> <DocSectionText v-bind="$attrs"> <p>Single node selection is configured by setting <i>selectionMode</i> as <i>single</i> along with <i>selectionKeys</i> property to manage the selection value binding.</p> <p> By default, metaKey press (e.g. <i>⌘</i>) is necessary to unselect a node however this can be configured with disabling the <i>metaKeySelection</i> property. In touch enabled devices this option has no effect and behavior is same as setting it to false. </p> </DocSectionText> <div class="card"> <div class="flex justify-content-center align-items-center mb-4 gap-2"> <InputSwitch v-model="metaKey" inputId="input-metakey" /> <label for="input-metakey">MetaKey</label> </div> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" :metaKeySelection="metaKey"> <Column field="name" header="Name" expander></Column> <Column field="size" header="Size"></Column> <Column field="type" header="Type"></Column> </TreeTable> </div> <DocSectionCode :code="code" :service="['NodeService']" /> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null, selectedKey: null, metaKey: true, code: { basic: ` <InputSwitch v-model="metaKey" inputId="input-metakey" /> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" :metaKeySelection="metaKey"> <Column field="name" header="Name" expander></Column> <Column field="size" header="Size"></Column> <Column field="type" header="Type"></Column> </TreeTable> `, options: ` <template> <div class="card"> <div class="flex justify-content-center align-items-center mb-4 gap-2"> <InputSwitch v-model="metaKey" inputId="input-metakey" /> <label for="input-metakey">MetaKey</label> </div> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" :metaKeySelection="metaKey"> <Column field="name" header="Name" expander></Column> <Column field="size" header="Size"></Column> <Column field="type" header="Type"></Column> </TreeTable> </div> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null, selectedKey: null, metaKey: true } }, mounted() { NodeService.getTreeTableNodes().then((data) => (this.nodes = data)); } } <\/script> `, composition: ` <template> <div class="card"> <div class="flex justify-content-center align-items-center mb-4 gap-2"> <InputSwitch v-model="metaKey" inputId="input-metakey" /> <label for="input-metakey">MetaKey</label> </div> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" :metaKeySelection="metaKey"> <Column field="name" header="Name" expander></Column> <Column field="size" header="Size"></Column> <Column field="type" header="Type"></Column> </TreeTable> </div> </template> <script setup> import { ref, onMounted } from 'vue'; import { NodeService } from '@/service/NodeService'; onMounted(() => { NodeService.getTreeTableNodes().then((data) => (nodes.value = data)); }); const nodes = ref(); const selectedKey = ref(); const metaKey = ref(true); <\/script> `, data: ` { key: '0', label: 'Documents', data: 'Documents Folder', icon: 'pi pi-fw pi-inbox', children: [ { key: '0-0', label: 'Work', data: 'Work Folder', icon: 'pi pi-fw pi-cog', children: [ { key: '0-0-0', label: 'Expenses.doc', icon: 'pi pi-fw pi-file', data: 'Expenses Document' }, { key: '0-0-1', label: 'Resume.doc', icon: 'pi pi-fw pi-file', data: 'Resume Document' } ] }, { key: '0-1', label: 'Home', data: 'Home Folder', icon: 'pi pi-fw pi-home', children: [{ key: '0-1-0', label: 'Invoices.txt', icon: 'pi pi-fw pi-file', data: 'Invoices for this month' }] } ] }, ... ` } }; }, mounted() { NodeService.getTreeTableNodes().then((data) => (this.nodes = data)); } }; </script>