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