<template> <DocSectionText v-bind="$attrs"> <p>Selection of multiple nodes via checkboxes is enabled by configuring <i>selectionMode</i> as <i>checkbox</i>.</p> <p> In checkbox selection mode, value binding should be a key-value pair where key is the node key and value is an object that has <i>checked</i> and <i>partialChecked</i> properties to represent the checked state of a node obje to indicate selection. </p> </DocSectionText> <div class="card flex justify-content-center"> <Tree v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="checkbox" class="w-full md:w-30rem"></Tree> </div> <DocSectionCode :code="code" v-bind="$attrs" :service="['NodeService']" /> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null, selectedKey: null, code: { basic: ` <Tree v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="checkbox" class="w-full md:w-30rem"></Tree>`, options: ` <template> <div class="card flex justify-content-center"> <Toast /> <Tree v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="checkbox" class="w-full md:w-30rem"></Tree> </div> </template> <script> import { NodeService } from '@/service/NodeService'; export default { data() { return { nodes: null }; }, mounted() { NodeService.getTreeNodes().then((data) => (this.nodes = data)); }, methods: { onNodeSelect(node) { this.$toast.add({ severity: 'success', summary: 'Node Selected', detail: node.label, life: 3000 }); }, onNodeUnselect(node) { this.$toast.add({ severity: 'success', summary: 'Node Unselected', detail: node.label, life: 3000 }); } } } <\/script>`, composition: ` <template> <div class="card flex justify-content-center"> <Toast /> <Tree v-model:selectionKeys="selectedKey" :value="nodes" selectionMode="checkbox" class="w-full md:w-30rem"></Tree> </div> </template> <script setup> import { ref, onMounted } from 'vue'; import { NodeService } from '@/service/NodeService'; import { useToast } from "primevue/usetoast"; const nodes = ref(null); const selectedKey = ref(null); const toast = useToast(); onMounted(() => { NodeService.getTreeNodes().then((data) => (nodes.value = data)); }); const onNodeSelect = (node) => { toast.add({ severity: 'success', summary: 'Node Selected', detail: node.label, life: 3000 }); }; const onNodeUnselect = (node) => { toast.add({ severity: 'success', summary: 'Node Unselected', detail: node.label, life: 3000 }); }; <\/script>` } }; }, mounted() { NodeService.getTreeNodes().then((data) => (this.nodes = data)); }, methods: { onNodeSelect(node) { this.$toast.add({ severity: 'success', summary: 'Node Selected', detail: node.label, life: 3000 }); }, onNodeUnselect(node) { this.$toast.add({ severity: 'success', summary: 'Node Unselected', detail: node.label, life: 3000 }); } } }; </script>