import {Component, Input, Output, EventEmitter} from '@angular/core';

@Component({
    selector: 'search-results-per-page',
    template: `
      <div>
        <mat-form-field class="matSelectionFormField">
          <mat-label>Results per page:</mat-label>
          <mat-select  [(ngModel)]="size" (ngModelChange)="sizeChanged()"
                       [disableOptionCentering]="true"
                       panelClass="matSelectionPanel"
                       class="uk-text-bold matSelection">
            <mat-option [value]="5"  [disabled]="isDisabled"> 5</mat-option>
            <mat-option [value]="10" [disabled]="isDisabled">10</mat-option>
            <mat-option [value]="20" [disabled]="isDisabled">20</mat-option>
            <mat-option [value]="50" [disabled]="isDisabled">50</mat-option>
          </mat-select>
        </mat-form-field>
      </div>
    `
})

export class SearchResultsPerPageComponent {
    @Input() isDisabled: boolean = false;
    @Input() size: number;
    @Output() sizeChange  = new EventEmitter();

    constructor () {}

    ngOnInit() {}

    sizeChanged() {
      this.sizeChange.emit({
          value: this.size
      });
    }
}