openaire-library/utils/pagingFormatterNoLoad.compo...

106 lines
4.0 KiB
TypeScript

import {Component, Input, Output, EventEmitter} from '@angular/core';
import {ActivatedRoute} from '@angular/router';
import{EnvProperties} from './properties/env-properties';
import {properties} from "../../../environments/environment";
//Usage Example <paging [currentPage]="page" [totalResults]="resultsNum" [term]="keyword"> </paging>
@Component({
selector: 'paging-no-load',
template: `
<ul disabled *ngIf=" ( getTotalPages() > 0 ) && (getTotalPages() > 1) && ( 0 < currentPage && currentPage <= getTotalPages() ) " [ngClass]="customClasses"
class="uk-pagination uk-flex uk-flex-middle ">
<li [class.uk-invisible]="currentPage <= 1" ><a (click)="onPage((currentPage -1))" aria-label="Previous">
<span><span class="uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" icon="chevron-left" ratio="1"><polyline fill="none" stroke="#000" stroke-width="1.03" points="13 16 7 10 13 4"></polyline></svg></span></span></a></li>
<li *ngIf=" currentPage -2 > 0"><a (click)="onPage((currentPage -2))">{{(currentPage -2) | number}}</a></li>
<li *ngIf=" currentPage -1 > 0 "><a (click)="onPage((currentPage -1))">{{(currentPage -1) | number}}</a></li>
<li class="uk-active"><span >{{currentPage | number}}</span></li>
<li *ngIf=" currentPage +1 <= getTotalPages() "><a (click)="onPage((currentPage +1))">{{(currentPage +1) | number}}</a></li>
<li *ngIf=" currentPage +2 <= getTotalPages() "><a (click)="onPage((currentPage +2))">{{(currentPage +2) | number}}</a></li>
<li *ngIf=" (currentPage -2 <= 0)&&(currentPage +3 <= getTotalPages()) " class="uk-visible@l"><a (click)="onPage((currentPage +3))">{{(currentPage +3) | number}}</a></li>
<li *ngIf=" (currentPage -1 <= 0)&&(currentPage +4 <= getTotalPages()) " class="uk-visible@l"><a (click)="onPage((currentPage +4))">{{(currentPage +4) | number}}</a></li>
<li [class.uk-invisible]="getTotalPages() <= currentPage">
<a (click)="onPage(currentPage +1)" aria-label="Next">
<span class="uk-icon">
<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" icon="chevron-right" ratio="1"><polyline fill="none" stroke="#000" stroke-width="1.03" points="7 4 13 10 7 16"></polyline></svg>
</span>
</a>
</li>
</ul>
`
})
export class pagingFormatterNoLoad {
@Input() public currentPage: number = 1;
@Input() public customClasses: string = 'uk-flex-center';
// @Input() public navigateTo: string;
@Input() public term: string='';
@Input() public size: number=10;
@Input() public totalResults: number = 10;
@Input() public limitPaging: boolean = false;
// @Input() public params;
@Output() pageChange = new EventEmitter();
private limit: number;
properties:EnvProperties;
@Input()
public loading:boolean = false;
constructor (private route: ActivatedRoute) {
}
ngOnInit() {
//console.info("In paging -- CurrentPage:"+this.currentPage+" "+"total Pages = "+this.getTotalPages() +" Results num:"+this.totalResults);
this.properties = properties;
this.limit = this.properties.pagingLimit;
}
getTotalPages(){
let total: number = 0;
//let limit: number = 20;//OpenaireProperties.getPagingLimit();
var i= this.totalResults/this.size;
var integerI=parseInt(''+i);
total = parseInt(''+((i==integerI)?i:i+1));
if(this.limitPaging) {
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;
}
onPrev(){
this.currentPage=this.currentPage-1;
this.pageChange.emit({
value: this.currentPage
});
}
onNext(){
this.currentPage=this.currentPage+1;
this.pageChange.emit({
value: this.currentPage
});
}
onPage(pageNum: number){
if(!this.loading) {
this.currentPage = pageNum;
this.pageChange.emit({
value: this.currentPage
});
}
}
}