src/app/sorting/sorting-server.component.ts
import { Component } from '@angular/core';
import { ColumnMode } from 'projects/swimlane/ngx-datatable/src/public-api';
@Component({
selector: 'server-sorting-demo',
template: `
<div>
<h3>
Server-side Sorting
<small>
<a
href="https://github.com/swimlane/ngx-datatable/blob/master/src/app/sorting/sorting-server.component.ts"
target="_blank"
>
Source
</a>
</small>
</h3>
<ngx-datatable
class="material"
[rows]="rows"
[columns]="columns"
[columnMode]="ColumnMode.force"
[headerHeight]="50"
[footerHeight]="50"
rowHeight="auto"
[externalSorting]="true"
[loadingIndicator]="loading"
(sort)="onSort($event)"
>
</ngx-datatable>
</div>
`
})
export class ServerSortingComponent {
loading = false;
rows = [];
columns = [
{ name: 'Company', sortable: true },
{ name: 'Name', sortable: true },
{ name: 'Gender', sortable: true }
];
ColumnMode = ColumnMode;
constructor() {
this.fetch(data => {
this.rows = data;
});
}
fetch(cb) {
const req = new XMLHttpRequest();
req.open('GET', `assets/data/company.json`);
req.onload = () => {
const data = JSON.parse(req.response);
cb(data.splice(0, 20));
};
req.send();
}
onSort(event) {
// event was triggered, start sort sequence
console.log('Sort Event', event);
this.loading = true;
// emulate a server request with a timeout
setTimeout(() => {
const rows = [...this.rows];
// this is only for demo purposes, normally
// your server would return the result for
// you and you would just set the rows prop
const sort = event.sorts[0];
rows.sort((a, b) => {
return a[sort.prop].localeCompare(b[sort.prop]) * (sort.dir === 'desc' ? -1 : 1);
});
this.rows = rows;
this.loading = false;
}, 1000);
}
}