2018-08-28 07:53:09 +03:00

68 lines
2.1 KiB
TypeScript
Executable File

import {Component, OnInit, ViewChild} from '@angular/core';
import {MatPaginator, MatSort, MatTableDataSource} from '@angular/material';
export interface UserData {
id: string;
name: string;
progress: string;
color: string;
}
/** Constants used to fill up our data base. */
const COLORS: string[] = ['maroon', 'red', 'orange', 'yellow', 'olive', 'green', 'purple',
'fuchsia', 'lime', 'teal', 'aqua', 'blue', 'navy', 'black', 'gray'];
const NAMES: string[] = ['Maia', 'Asher', 'Olivia', 'Atticus', 'Amelia', 'Jack',
'Charlotte', 'Theodore', 'Isla', 'Oliver', 'Isabella', 'Jasper',
'Cora', 'Levi', 'Violet', 'Arthur', 'Mia', 'Thomas', 'Elizabeth'];
/**
* @title Data table with sorting, pagination, and filtering.
*/
@Component({
selector: 'table-overview-example',
styleUrls: ['table-overview-example.css'],
templateUrl: 'table-overview-example.html',
})
export class TableOverviewExample implements OnInit {
displayedColumns: string[] = ['id', 'name', 'progress', 'color'];
dataSource: MatTableDataSource<UserData>;
@ViewChild(MatPaginator) paginator: MatPaginator;
@ViewChild(MatSort) sort: MatSort;
constructor() {
// Create 100 users
const users = Array.from({length: 100}, (_, k) => createNewUser(k + 1));
// Assign the data to the data source for the table to render
this.dataSource = new MatTableDataSource(users);
}
ngOnInit() {
this.dataSource.paginator = this.paginator;
this.dataSource.sort = this.sort;
}
applyFilter(filterValue: string) {
this.dataSource.filter = filterValue.trim().toLowerCase();
if (this.dataSource.paginator) {
this.dataSource.paginator.firstPage();
}
}
}
/** Builds and returns a new User. */
function createNewUser(id: number): UserData {
const name =
NAMES[Math.round(Math.random() * (NAMES.length - 1))] + ' ' +
NAMES[Math.round(Math.random() * (NAMES.length - 1))].charAt(0) + '.';
return {
id: id.toString(),
name: name,
progress: Math.round(Math.random() * 100).toString(),
color: COLORS[Math.round(Math.random() * (COLORS.length - 1))]
};
}