<?php
namespace backend\widgets\common;

use yii\helpers\Html;
use yii\widgets\LinkPager;

class LinkPages extends LinkPager
{
    /**
     * Renders the page buttons.
     * @return string the rendering result
     */
    protected function renderPageButtons()
    {
        $pageCount = $this->pagination->getPageCount();
        if ($pageCount < 2 && $this->hideOnSinglePage) {
            return '';
        }

        $buttons = [];
        $currentPage = $this->pagination->getPage();

        // first page
        if ($this->firstPageLabel !== false) {
            $buttons[] = $this->renderPageButton($this->firstPageLabel, 0, $this->firstPageCssClass, $currentPage <= 0, false);
        }

        // prev page
        if ($this->prevPageLabel !== false) {
            if (($page = $currentPage - 1) < 0) {
                $page = 0;
            }
            $buttons[] = $this->renderPageButton($this->prevPageLabel, $page, $this->prevPageCssClass, $currentPage <= 0, false);
        }

        // internal pages
        list($beginPage, $endPage) = $this->getPageRange();
        for ($i = $beginPage; $i <= $endPage; ++$i) {
            $buttons[] = $this->renderPageButton($i + 1, $i, null, false, $i == $currentPage);
        }

        // next page
        if ($this->nextPageLabel !== false) {
            if (($page = $currentPage + 1) >= $pageCount - 1) {
                $page = $pageCount - 1;
            }
            $buttons[] = $this->renderPageButton($this->nextPageLabel, $page, $this->nextPageCssClass, $currentPage >= $pageCount - 1, false);
        }

        // last page
        if ($this->lastPageLabel !== false) {
            $buttons[] = $this->renderPageButton($this->lastPageLabel, $pageCount - 1, $this->lastPageCssClass, $currentPage >= $pageCount - 1, false);
        }

        return html::tag('div',Html::tag('ul', implode("\n", $buttons), $this->options),['class'=>'dataTables_paginate paging_bootstrap pagination']);
        //return Html::tag('ul', implode("\n", $buttons), $this->options);
    }
}