<template> <DocSectionText v-bind="$attrs"> <p>TreeTable provides <i>nodeSelect</i> and <i>nodeUnselect</i> events to listen selection events.</p> </DocSectionText> <DeferredDemo @load="loadDemoData"> <div class="card"> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" @nodeSelect="onNodeSelect" @nodeUnselect="onNodeUnselect" :metaKeySelection="false" tableStyle="min-width: 50rem"> <Column field="name" header="Name" expander style="width: 34%"></Column> <Column field="size" header="Size" style="width: 33%"></Column> <Column field="type" header="Type" style="width: 33%"></Column> </TreeTable> </div> </DeferredDemo> <DocSectionCode :code="code" :service="['NodeService']" /> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null, selectedKey: null, code: { basic: ` <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" @nodeSelect="onNodeSelect" @nodeUnselect="onNodeUnselect" :metaKeySelection="false" tableStyle="min-width: 50rem"> <Column field="name" header="Name" expander style="width: 34%"></Column> <Column field="size" header="Size" style="width: 33%"></Column> <Column field="type" header="Type" style="width: 33%"></Column> </TreeTable> `, options: ` <template> <div class="card"> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" @nodeSelect="onNodeSelect" @nodeUnselect="onNodeUnselect" :metaKeySelection="false" tableStyle="min-width: 50rem"> <Column field="name" header="Name" expander style="width: 34%"></Column> <Column field="size" header="Size" style="width: 33%"></Column> <Column field="type" header="Type" style="width: 33%"></Column> </TreeTable> <Toast /> </div> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null, selectedKey: null } }, mounted() { NodeService.getTreeTableNodes().then((data) => (this.nodes = data)); }, methods: { onNodeSelect(node) { this.$toast.add({ severity: 'success', summary: 'Node Selected', detail: node.data.name, life: 3000 }); }, onNodeUnselect(node) { this.$toast.add({ severity: 'warn', summary: 'Node Unselected', detail: node.data.name, life: 3000 }); } } } <\/script> `, composition: ` <template> <div class="card"> <TreeTable v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="single" @nodeSelect="onNodeSelect" @nodeUnselect="onNodeUnselect" :metaKeySelection="false" tableStyle="min-width: 50rem"> <Column field="name" header="Name" expander style="width: 34%"></Column> <Column field="size" header="Size" style="width: 33%"></Column> <Column field="type" header="Type" style="width: 33%"></Column> </TreeTable> <Toast /> </div> </template> <script setup> import { ref, onMounted } from 'vue'; import { useToast } from 'primevue/usetoast' import { NodeService } from '@/service/NodeService'; onMounted(() => { NodeService.getTreeTableNodes().then((data) => (nodes.value = data)); }); const nodes = ref(); const selectedKey = ref(); const toast = useToast(); const onNodeSelect = (node) => { toast.add({ severity: 'success', summary: 'Node Selected', detail: node.data.name, life: 3000 }); }; const onNodeUnselect = (node) => { toast.add({ severity: 'warn', summary: 'Node Unselected', detail: node.data.name, life: 3000 }); }; <\/script> `, data: ` { key: '0', label: 'Documents', data: 'Documents Folder', icon: 'pi pi-fw pi-inbox', children: [ { key: '0-0', label: 'Work', data: 'Work Folder', icon: 'pi pi-fw pi-cog', children: [ { key: '0-0-0', label: 'Expenses.doc', icon: 'pi pi-fw pi-file', data: 'Expenses Document' }, { key: '0-0-1', label: 'Resume.doc', icon: 'pi pi-fw pi-file', data: 'Resume Document' } ] }, { key: '0-1', label: 'Home', data: 'Home Folder', icon: 'pi pi-fw pi-home', children: [{ key: '0-1-0', label: 'Invoices.txt', icon: 'pi pi-fw pi-file', data: 'Invoices for this month' }] } ] }, ... ` } }; }, methods: { loadDemoData() { NodeService.getTreeTableNodes().then((data) => (this.nodes = data)); }, onNodeSelect(node) { this.$toast.add({ severity: 'success', summary: 'Node Selected', detail: node.data.name, life: 3000 }); }, onNodeUnselect(node) { this.$toast.add({ severity: 'warn', summary: 'Node Unselected', detail: node.data.name, life: 3000 }); } } }; </script>