Open-ILS/src/eg2/src/app/staff/catalog/result/pagination.component.ts

   1 import {Component, OnInit, Input} from '@angular/core';
   2 import {CatalogService} from '@eg/share/catalog/catalog.service';
   3 import {CatalogSearchContext} from '@eg/share/catalog/search-context';
   4 import {StaffCatalogService} from '../catalog.service';
   5
   6 @Component({
   7   selector: 'eg-catalog-result-pagination',
   8   styleUrls: ['pagination.component.css'],
   9   templateUrl: 'pagination.component.html'
  10 })
  11 export class ResultPaginationComponent implements OnInit {
  12
  13     searchContext: CatalogSearchContext;
  14
  15     // Maximum number of jump-to-page buttons displayed.
  16     @Input() numPages: number;
  17
  18     constructor(
  19         private cat: CatalogService,
  20         private staffCat: StaffCatalogService
  21     ) {
  22         this.numPages = 10;
  23     }
  24
  25     ngOnInit() {
  26         this.searchContext = this.staffCat.searchContext;
  27     }
  28
  29     currentPageList(): number[] {
  30         const pgr = this.searchContext.pager;
  31         return pgr.pageRange(pgr.currentPage(), this.numPages);
  32     }
  33
  34     nextPage(): void {
  35         this.searchContext.pager.increment();
  36         this.staffCat.search();
  37     }
  38
  39     prevPage(): void {
  40         this.searchContext.pager.decrement();
  41         this.staffCat.search();
  42     }
  43
  44     setPage(page: number): void {
  45         if (this.searchContext.pager.currentPage() === page) { return; }
  46         this.searchContext.pager.setPage(page);
  47         this.staffCat.search();
  48     }
  49 }
  50
  51