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Diffstat (limited to 'src/app/components/shared/pagination/pagination.component.ts')
-rw-r--r-- | src/app/components/shared/pagination/pagination.component.ts | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/app/components/shared/pagination/pagination.component.ts b/src/app/components/shared/pagination/pagination.component.ts new file mode 100644 index 0000000..fee827d --- /dev/null +++ b/src/app/components/shared/pagination/pagination.component.ts @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2022. Deutsche Telekom AG + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * SPDX-License-Identifier: Apache-2.0 + */ + + +import { Component, EventEmitter, Input, Output } from '@angular/core'; +import { NgbPaginationConfig } from '@ng-bootstrap/ng-bootstrap'; + +/** + * This is a wrapper component for the `ngbPagination` component of ngBootstrap ([official wiki page](https://ng-bootstrap.github.io/#/components/pagination/overview)). + * This contains the pagination element, as well as the selection element for the page size. + * + * + * Deal with both using the `pageChange` and `pageSizeChange` events, i.e in your template: + * ``` html + * <app-pagination + * [collectionSize]="..." + [pageSize]="..." + [page]="..." + * (pageChange)="changePage($event)" + * (pageSizeChange)="changePageSize($event)" + * > + * </app-pagination> + * ``` + */ +@Component({ + selector: 'app-pagination', + templateUrl: './pagination.component.html', + styleUrls: ['./pagination.component.css'], + providers: [NgbPaginationConfig], +}) +export class PaginationComponent { + /** + * This event is fired when an item in the `select`-element is changed + */ + @Output() pageSizeChange: EventEmitter<number> = new EventEmitter<number>(); + + /** + * Specify what page sizes should be selectable by the user. + */ + @Input() itemsPerPage = [10, 20, 50]; + + @Output() pageChange: EventEmitter<number> = new EventEmitter<number>(); + @Input() collectionSize = 10; + @Input() pageSize = 10; + @Input() page = 1; + + constructor(config: NgbPaginationConfig) { + config.boundaryLinks = true; + config.directionLinks = true; + config.disabled = false; + config.ellipses = false; + config.maxSize = 3; + config.pageSize = 10; + config.rotate = true; + config.size = 'sm'; + } + + /** + * Emit the currently selected page from the `ngb-Pagination` + * @param page the page that is selected + */ + emitPageChange(page: number) { + this.pageChange.emit(page); + } + + /** + * Emit the currently selected page size from the `select` + * @param size the number of items per page that is selected + */ + emitModelChange(size: number) { + this.pageSizeChange.emit(size); + } +} |