54 lines
1.8 KiB
TypeScript
Executable File

import {Component} from '@angular/core';
import {MatButtonToggleGroup} from '@angular/material/button-toggle';
/**
* @title Flex-layout tables with toggle-able sticky headers, footers, and columns
*/
@Component({
selector: 'table-sticky-complex-flex-example',
styleUrls: ['table-sticky-complex-flex-example.css'],
templateUrl: 'table-sticky-complex-flex-example.html',
})
export class TableStickyComplexFlexExample {
displayedColumns: string[] = [];
dataSource = ELEMENT_DATA;
tables = [0];
constructor() {
this.displayedColumns.length = 24;
this.displayedColumns.fill('filler');
// The first two columns should be position and name; the last two columns: weight, symbol
this.displayedColumns[0] = 'position';
this.displayedColumns[1] = 'name';
this.displayedColumns[22] = 'weight';
this.displayedColumns[23] = 'symbol';
}
/** Whether the button toggle group contains the id as an active value. */
isSticky(buttonToggleGroup: MatButtonToggleGroup, id: string) {
return (buttonToggleGroup.value || []).indexOf(id) !== -1;
}
}
export interface PeriodicElement {
name: string;
position: number;
weight: number;
symbol: string;
}
const ELEMENT_DATA: PeriodicElement[] = [
{position: 1, name: 'Hydrogen', weight: 1.0079, symbol: 'H'},
{position: 2, name: 'Helium', weight: 4.0026, symbol: 'He'},
{position: 3, name: 'Lithium', weight: 6.941, symbol: 'Li'},
{position: 4, name: 'Beryllium', weight: 9.0122, symbol: 'Be'},
{position: 5, name: 'Boron', weight: 10.811, symbol: 'B'},
{position: 6, name: 'Carbon', weight: 12.0107, symbol: 'C'},
{position: 7, name: 'Nitrogen', weight: 14.0067, symbol: 'N'},
{position: 8, name: 'Oxygen', weight: 15.9994, symbol: 'O'},
{position: 9, name: 'Fluorine', weight: 18.9984, symbol: 'F'},
{position: 10, name: 'Neon', weight: 20.1797, symbol: 'Ne'},
];