<?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);
		}
	}