73 lines
2.3 KiB
TypeScript
73 lines
2.3 KiB
TypeScript
/**
|
||
* @license
|
||
* Copyright Google LLC All Rights Reserved.
|
||
*
|
||
* Use of this source code is governed by an MIT-style license that can be
|
||
* found in the LICENSE file at https://angular.dev/license
|
||
*/
|
||
|
||
import {Injectable, Optional, SkipSelf} from '@angular/core';
|
||
import {Subject} from 'rxjs';
|
||
|
||
/**
|
||
* To modify the labels and text displayed, create a new instance of MatPaginatorIntl and
|
||
* include it in a custom provider
|
||
*/
|
||
@Injectable({providedIn: 'root'})
|
||
export class MatPaginatorIntl {
|
||
/**
|
||
* Stream to emit from when labels are changed. Use this to notify components when the labels have
|
||
* changed after initialization.
|
||
*/
|
||
readonly changes: Subject<void> = new Subject<void>();
|
||
|
||
/** A label for the page size selector. */
|
||
itemsPerPageLabel: string = 'Items per page:';
|
||
|
||
/** A label for the button that increments the current page. */
|
||
nextPageLabel: string = 'Next page';
|
||
|
||
/** A label for the button that decrements the current page. */
|
||
previousPageLabel: string = 'Previous page';
|
||
|
||
/** A label for the button that moves to the first page. */
|
||
firstPageLabel: string = 'First page';
|
||
|
||
/** A label for the button that moves to the last page. */
|
||
lastPageLabel: string = 'Last page';
|
||
|
||
/** A label for the range of items within the current page and the length of the whole list. */
|
||
getRangeLabel: (page: number, pageSize: number, length: number) => string = (
|
||
page: number,
|
||
pageSize: number,
|
||
length: number,
|
||
) => {
|
||
if (length == 0 || pageSize == 0) {
|
||
return `0 of ${length}`;
|
||
}
|
||
|
||
length = Math.max(length, 0);
|
||
|
||
const startIndex = page * pageSize;
|
||
|
||
// If the start index exceeds the list length, do not try and fix the end index to the end.
|
||
const endIndex =
|
||
startIndex < length ? Math.min(startIndex + pageSize, length) : startIndex + pageSize;
|
||
|
||
return `${startIndex + 1} – ${endIndex} of ${length}`;
|
||
};
|
||
}
|
||
|
||
/** @docs-private */
|
||
export function MAT_PAGINATOR_INTL_PROVIDER_FACTORY(parentIntl: MatPaginatorIntl) {
|
||
return parentIntl || new MatPaginatorIntl();
|
||
}
|
||
|
||
/** @docs-private */
|
||
export const MAT_PAGINATOR_INTL_PROVIDER = {
|
||
// If there is already an MatPaginatorIntl available, use that. Otherwise, provide a new one.
|
||
provide: MatPaginatorIntl,
|
||
deps: [[new Optional(), new SkipSelf(), MatPaginatorIntl]],
|
||
useFactory: MAT_PAGINATOR_INTL_PROVIDER_FACTORY,
|
||
};
|