src/app/sorting/sorting-comparator.component.ts
import { Component } from '@angular/core';
import { ColumnMode } from 'projects/swimlane/ngx-datatable/src/public-api';
@Component({
selector: 'comparator-sorting-demo',
template: `
<div>
<h3>
Custom Sorting Comparator
<small>
<a
href="https://github.com/swimlane/ngx-datatable/blob/master/src/app/sorting/sorting-comparator.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"
>
</ngx-datatable>
</div>
`
})
export class SortingComparatorComponent {
rows = [];
columns = [
{ name: 'Company', comparator: this.companyComparator.bind(this) },
{ name: 'Name', sortable: false },
{ name: 'Gender', sortable: false }
];
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();
}
companyComparator(propA, propB) {
console.log('Sorting Comparator', propA, propB);
// Just a simple sort function comparisoins
if (propA.toLowerCase() < propB.toLowerCase()) {
return -1;
}
if (propA.toLowerCase() > propB.toLowerCase()) {
return 1;
}
}
}