openaire-library/utils/pagingFormatter.component.ts

75 lines
3.6 KiB
TypeScript

import {Component, Input} from '@angular/core';
import {RouterHelper} from './routerHelper.class';
import {EnvProperties} from './properties/env-properties';
import {properties} from "../../../environments/environment";
@Component({
selector: 'paging',
template: `
<ul *ngIf=" (getTotalPages() > 0 ) && (getTotalPages() > 1) && (currentPage > 0 && currentPage <= getTotalPages()) "
[class.uk-disabled]="isDisabled" class="uk-pagination" [ngClass]="'uk-flex-' + position">
<li *ngIf="currentPage > 1">
<a [queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page', (currentPage - 1))"
[routerLink]=baseUrl aria-label="Previous">
<icon name="chevron_left" [flex]="true" customClass="uk-pagination-previous"></icon>
</a>
</li>
<li *ngIf=" currentPage -2 > 0"><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage - 2))"
[routerLink]=baseUrl>{{(currentPage - 2) | number}}</a></li>
<li *ngIf=" currentPage -1 > 0 "><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage - 1))"
[routerLink]=baseUrl>{{(currentPage - 1) | number}}</a></li>
<li class="uk-active"><span>{{currentPage | number}}</span></li>
<li *ngIf=" currentPage +1 <= getTotalPages() "><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage +1))"
[routerLink]=baseUrl>{{(currentPage + 1) | number}}</a></li>
<li *ngIf=" currentPage +2 <= getTotalPages() "><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage +2))"
[routerLink]=baseUrl>{{(currentPage + 2) | number}}</a></li>
<li *ngIf=" (currentPage -2 <= 0)&&(currentPage +3 <= getTotalPages()) "><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage +3))"
[routerLink]=baseUrl>{{(currentPage + 3) | number}}</a></li>
<li *ngIf=" (currentPage -1 <= 0)&&(currentPage +4 <= getTotalPages()) "><a
[queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage +4))"
[routerLink]=baseUrl>{{(currentPage + 4) | number}}</a></li>
<li *ngIf="getTotalPages() > currentPage">
<a [queryParams]="routerHelper.createQueryParamsPaging(parameterNames,parameterValues,'page',(currentPage + 1))"
[routerLink]=baseUrl aria-label="Next">
<icon name="chevron_right" [flex]="true" customClass="uk-pagination-next"></icon>
</a>
</li>
</ul>
`
})
export class PagingFormatter {
@Input() isDisabled: boolean = false;
@Input() currentPage: number = 1;
@Input() size: number = 10;
@Input() totalResults: number = 10;
@Input() baseUrl: string = "";
@Input() parameterNames: string[];
@Input() parameterValues: string[];
@Input() position: "left" | "center" | "right" = "right";
private readonly limit: number;
properties: EnvProperties = properties;
public routerHelper: RouterHelper = new RouterHelper();
constructor() {
this.limit = this.properties.pagingLimit;
}
getTotalPages() {
let total: number;
var i: number = parseInt('' + (this.totalResults / this.size));
total = (((this.totalResults / this.size) == i) ? i : (i + 1));
if ((this.currentPage == this.limit) && (total > this.limit)) {
total = this.limit;
} else if ((this.currentPage > this.limit) && (total > this.limit)) {
total = this.currentPage;
}
return total;
}
}