<template>
<div>
<Head>
<Title>Vue TreeTable Component</Title>
<Meta name="description" content="TreeTable is used to display hierarchical data in tabular format." />
</Head>
<div class="content-section introduction">
<div class="feature-intro">
<h1>TreeTable</h1>
<p>TreeTable is used to display hierarchical data in tabular format.</p>
</div>
<AppDemoActions />
</div>
<div class="content-section implementation">
<div class="card">
<h5>Basic</h5>
<TreeTable :value="nodes">
<Column field="name" header="Name" :expander="true"></Column>
<Column field="size" header="Size"></Column>
<Column field="type" header="Type"></Column>
</TreeTable>
</div>
<div class="card">
<h5>Dynamic Columns</h5>
<TreeTable :value="nodes">
<Column v-for="col of columns" :key="col.field" :field="col.field" :header="col.header" :expander="col.expander"></Column>
</TreeTable>
</div>
<div class="card">
<h5>Programmatic Control</h5>
<div style="margin-bottom: 1em">
<Button type="button" icon="pi pi-plus" label="Expand All" @click="expandAll" />
<Button type="button" icon="pi pi-minus" label="Collapse All" @click="collapseAll" />
</div>
<TreeTable :value="nodes" :expandedKeys="expandedKeys">
<Column field="name" header="Name" :expander="true"></Column>
<Column field="size" header="Size"></Column>
<Column field="type" header="Type"></Column>
</TreeTable>
</div>
</div>
<TreeTableDoc />
</div>
</template>
<script>
import NodeService from '../../service/NodeService';
import TreeTableDoc from './TreeTableDoc';
export default {
data() {
return {
nodes: null,
columns: null,
expandedKeys: {}
};
},
nodeService: null,
created() {
this.nodeService = new NodeService();
this.columns = [
{ field: 'name', header: 'Vin', expander: true },
{ field: 'size', header: 'Size' },
{ field: 'type', header: 'Type' }
];
},
mounted() {
this.nodeService.getTreeTableNodes().then((data) => (this.nodes = data));
},
methods: {
expandAll() {
for (let node of this.nodes) {
this.expandNode(node);
}
this.expandedKeys = { ...this.expandedKeys };
},
collapseAll() {
this.expandedKeys = {};
},
expandNode(node) {
if (node.children && node.children.length) {
this.expandedKeys[node.key] = true;
for (let child of node.children) {
this.expandNode(child);
}
}
}
},
components: {
TreeTableDoc: TreeTableDoc
}
};
</script>
<style scoped>
button {
margin-right: 0.5rem;
}
</style>