<template> <DocSectionText v-bind="$attrs"> <p> When <i>expandableRowGroups</i> is present in subheader based row grouping, groups can be expanded and collapsed. State of the expansions are controlled using the <i>expandedRows</i> property and <i>rowgroup-expand</i> and <i>rowgroup-collapse</i> events. </p> </DocSectionText> <DeferredDemo @load="loadDemoData"> <div class="card"> <DataTable v-model:expandedRowGroups="expandedRowGroups" :value="customers" expandableRowGroups rowGroupMode="subheader" groupRowsBy="representative.name" sortMode="single" sortField="representative.name" :sortOrder="1" @rowgroup-expand="onRowGroupExpand" @rowgroup-collapse="onRowGroupCollapse" tableStyle="min-width: 50rem" > <template #groupheader="slotProps"> <img :alt="slotProps.data.representative.name" :src="`https://primefaces.org/cdn/primevue/images/avatar/${slotProps.data.representative.image}`" width="32" style="vertical-align: middle" class="ml-2" /> <span class="align-middle ml-2 font-bold leading-normal">{{ slotProps.data.representative.name }}</span> </template> <Column field="representative.name" header="Representative"></Column> <Column field="name" header="Name" style="width: 20%"></Column> <Column field="country" header="Country" style="width: 20%"> <template #body="slotProps"> <div class="flex items-center gap-2"> <img alt="flag" src="https://primefaces.org/cdn/primevue/images/flag/flag_placeholder.png" :class="`flag flag-${slotProps.data.country.code}`" style="width: 24px" /> <span>{{ slotProps.data.country.name }}</span> </div> </template> </Column> <Column field="company" header="Company" style="width: 20%"></Column> <Column field="status" header="Status" style="width: 20%"> <template #body="slotProps"> <Tag :value="slotProps.data.status" :severity="getSeverity(slotProps.data.status)" /> </template> </Column> <Column field="date" header="Date" style="width: 20%"></Column> <template #groupfooter="slotProps"> <div class="flex justify-end font-bold w-full">Total Customers: {{ calculateCustomerTotal(slotProps.data.representative.name) }}</div> </template> </DataTable> </div> </DeferredDemo> <DocSectionCode :code="code" :service="['CustomerService']" /> </template> <script> import { CustomerService } from '@/service/CustomerService'; export default { data() { return { customers: null, expandedRowGroups: null, code: { basic: ` <DataTable v-model:expandedRowGroups="expandedRowGroups" :value="customers" tableStyle="min-width: 50rem" expandableRowGroups rowGroupMode="subheader" groupRowsBy="representative.name" @rowgroup-expand="onRowGroupExpand" @rowgroup-collapse="onRowGroupCollapse" sortMode="single" sortField="representative.name" :sortOrder="1"> <template #groupheader="slotProps"> <img :alt="slotProps.data.representative.name" :src="\`https://primefaces.org/cdn/primevue/images/avatar/\${slotProps.data.representative.image}\`" width="32" style="vertical-align: middle" class="ml-2" /> <span class="align-middle ml-2 font-bold leading-normal">{{ slotProps.data.representative.name }}</span> </template> <Column field="representative.name" header="Representative"></Column> <Column field="name" header="Name" style="width: 20%"></Column> <Column field="country" header="Country" style="width: 20%"> <template #body="slotProps"> <div class="flex items-center gap-2"> <img alt="flag" src="https://primefaces.org/cdn/primevue/images/flag/flag_placeholder.png" :class="\`flag flag-\${slotProps.data.country.code}\`" style="width: 24px" /> <span>{{ slotProps.data.country.name }}</span> </div> </template> </Column> <Column field="company" header="Company" style="width: 20%"></Column> <Column field="status" header="Status" style="width: 20%"> <template #body="slotProps"> <Tag :value="slotProps.data.status" :severity="getSeverity(slotProps.data.status)" /> </template> </Column> <Column field="date" header="Date" style="width: 20%"></Column> <template #groupfooter="slotProps"> <div class="flex justify-end font-bold w-full">Total Customers: {{ calculateCustomerTotal(slotProps.data.representative.name) }}</div> </template> </DataTable> `, options: ` <template> <div class="card"> <DataTable v-model:expandedRowGroups="expandedRowGroups" :value="customers" tableStyle="min-width: 50rem" expandableRowGroups rowGroupMode="subheader" groupRowsBy="representative.name" @rowgroup-expand="onRowGroupExpand" @rowgroup-collapse="onRowGroupCollapse" sortMode="single" sortField="representative.name" :sortOrder="1"> <template #groupheader="slotProps"> <img :alt="slotProps.data.representative.name" :src="\`https://primefaces.org/cdn/primevue/images/avatar/\${slotProps.data.representative.image}\`" width="32" style="vertical-align: middle" class="ml-2" /> <span class="align-middle ml-2 font-bold leading-normal">{{ slotProps.data.representative.name }}</span> </template> <Column field="representative.name" header="Representative"></Column> <Column field="name" header="Name" style="width: 20%"></Column> <Column field="country" header="Country" style="width: 20%"> <template #body="slotProps"> <div class="flex items-center gap-2"> <img alt="flag" src="https://primefaces.org/cdn/primevue/images/flag/flag_placeholder.png" :class="\`flag flag-\${slotProps.data.country.code}\`" style="width: 24px" /> <span>{{ slotProps.data.country.name }}</span> </div> </template> </Column> <Column field="company" header="Company" style="width: 20%"></Column> <Column field="status" header="Status" style="width: 20%"> <template #body="slotProps"> <Tag :value="slotProps.data.status" :severity="getSeverity(slotProps.data.status)" /> </template> </Column> <Column field="date" header="Date" style="width: 20%"></Column> <template #groupfooter="slotProps"> <div class="flex justify-end font-bold w-full">Total Customers: {{ calculateCustomerTotal(slotProps.data.representative.name) }}</div> </template> </DataTable> <Toast /> </div> </template> <script> import { CustomerService } from '@/service/CustomerService'; export default { data() { return { customers: null, expandedRowGroups: null }; }, mounted() { CustomerService.getCustomersMedium().then((data) => (this.customers = data)); }, methods: { onRowGroupExpand(event) { this.$toast.add({ severity: 'info', summary: 'Row Group Expanded', detail: 'Value: ' + event.data, life: 3000 }); }, onRowGroupCollapse(event) { this.$toast.add({ severity: 'success', summary: 'Row Group Collapsed', detail: 'Value: ' + event.data, life: 3000 }); }, calculateCustomerTotal(name) { let total = 0; if (this.customers) { for (let customer of this.customers) { if (customer.representative.name === name) { total++; } } } return total; }, getSeverity(status) { switch (status) { case 'unqualified': return 'danger'; case 'qualified': return 'success'; case 'new': return 'info'; case 'negotiation': return 'warn'; case 'renewal': return null; } } } }; <\/script> `, composition: ` <template> <div class="card"> <DataTable v-model:expandedRowGroups="expandedRowGroups" :value="customers" tableStyle="min-width: 50rem" expandableRowGroups rowGroupMode="subheader" groupRowsBy="representative.name" @rowgroup-expand="onRowGroupExpand" @rowgroup-collapse="onRowGroupCollapse" sortMode="single" sortField="representative.name" :sortOrder="1"> <template #groupheader="slotProps"> <img :alt="slotProps.data.representative.name" :src="\`https://primefaces.org/cdn/primevue/images/avatar/\${slotProps.data.representative.image}\`" width="32" style="vertical-align: middle" class="ml-2" /> <span class="align-middle ml-2 font-bold leading-normal">{{ slotProps.data.representative.name }}</span> </template> <Column field="representative.name" header="Representative"></Column> <Column field="name" header="Name" style="width: 20%"></Column> <Column field="country" header="Country" style="width: 20%"> <template #body="slotProps"> <div class="flex items-center gap-2"> <img alt="flag" src="https://primefaces.org/cdn/primevue/images/flag/flag_placeholder.png" :class="\`flag flag-\${slotProps.data.country.code}\`" style="width: 24px" /> <span>{{ slotProps.data.country.name }}</span> </div> </template> </Column> <Column field="company" header="Company" style="width: 20%"></Column> <Column field="status" header="Status" style="width: 20%"> <template #body="slotProps"> <Tag :value="slotProps.data.status" :severity="getSeverity(slotProps.data.status)" /> </template> </Column> <Column field="date" header="Date" style="width: 20%"></Column> <template #groupfooter="slotProps"> <div class="flex justify-end font-bold w-full">Total Customers: {{ calculateCustomerTotal(slotProps.data.representative.name) }}</div> </template> </DataTable> <Toast /> </div> </template> <script setup> import { ref, onMounted } from 'vue'; import { useToast } from 'primevue/usetoast'; import { CustomerService } from '@/service/CustomerService'; onMounted(() => { CustomerService.getCustomersMedium().then((data) => (customers.value = data)); }); const customers = ref(); const expandedRowGroups = ref(); const toast = useToast(); const onRowGroupExpand = (event) => { toast.add({ severity: 'info', summary: 'Row Group Expanded', detail: 'Value: ' + event.data, life: 3000 }); }; const onRowGroupCollapse = (event) => { toast.add({ severity: 'success', summary: 'Row Group Collapsed', detail: 'Value: ' + event.data, life: 3000 }); }; const calculateCustomerTotal = (name) => { let total = 0; if (customers.value) { for (let customer of customers.value) { if (customer.representative.name === name) { total++; } } } return total; }; const getSeverity = (status) => { switch (status) { case 'unqualified': return 'danger'; case 'qualified': return 'success'; case 'new': return 'info'; case 'negotiation': return 'warn'; case 'renewal': return null; } }; <\/script> `, data: ` { id: 1000, name: 'James Butt', country: { name: 'Algeria', code: 'dz' }, company: 'Benton, John B Jr', date: '2015-09-13', status: 'unqualified', verified: true, activity: 17, representative: { name: 'Ioni Bowcher', image: 'ionibowcher.png' }, balance: 70663 }, ...` } }; }, methods: { loadDemoData() { CustomerService.getCustomersMedium().then((data) => (this.customers = data)); }, onRowGroupExpand(event) { this.$toast.add({ severity: 'info', summary: 'Row Group Expanded', detail: 'Value: ' + event.data, life: 3000 }); }, onRowGroupCollapse(event) { this.$toast.add({ severity: 'success', summary: 'Row Group Collapsed', detail: 'Value: ' + event.data, life: 3000 }); }, calculateCustomerTotal(name) { let total = 0; if (this.customers) { for (let customer of this.customers) { if (customer.representative.name === name) { total++; } } } return total; }, getSeverity(status) { switch (status) { case 'unqualified': return 'danger'; case 'qualified': return 'success'; case 'new': return 'info'; case 'negotiation': return 'warn'; case 'renewal': return null; } } } }; </script>