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<?php |
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namespace kalanis\kw_paging\Render; |
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use kalanis\kw_pager\Interfaces\IPager; |
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use kalanis\kw_paging\Interfaces; |
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use kalanis\kw_paging\Traits; |
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use kalanis\kw_paging\Translations; |
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/** |
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* Class SimplifiedPager |
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* @package kalanis\kw_paging\Render |
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* Simplified pager with less classes |
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*/ |
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class SimplifiedPager implements Interfaces\IOutput |
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{ |
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use Traits\TDisplayPages; |
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public const PREV_PAGE = '<'; |
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public const NEXT_PAGE = '>'; |
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protected Interfaces\ILink $link; |
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protected SimplifiedPager\Pager $pager; |
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protected SimplifiedPager\CurrentPage $currentPage; |
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protected SimplifiedPager\AnotherPage $anotherPage; |
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protected SimplifiedPager\DisabledPage $disabledPage; |
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public function __construct( |
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Interfaces\IPositions $positions, |
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Interfaces\ILink $link, |
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int $displayPages = Interfaces\IPositions::DEFAULT_DISPLAY_PAGES_COUNT, |
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?Interfaces\IPGTranslations $lang = null |
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) |
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{ |
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$this->positions = $positions; |
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$this->link = $link; |
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$this->displayPagesCount = $displayPages; |
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$this->pager = new SimplifiedPager\Pager(); |
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$this->pager->setKpgLang($lang ?: new Translations()); |
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$this->currentPage = new SimplifiedPager\CurrentPage(); |
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$this->anotherPage = new SimplifiedPager\AnotherPage(); |
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$this->disabledPage = new SimplifiedPager\DisabledPage(); |
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} |
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public function __toString() |
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{ |
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return $this->render(); |
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} |
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public function render(bool $showPositions = true): string |
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{ |
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if (!$this->getPositions()->prevPageExists() && !$this->getPositions()->nextPageExists()) { |
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return ''; |
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} |
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$pages = []; |
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$first = $this->getPositions()->prevPageExists() ? $this->anotherPage : $this->disabledPage; |
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$this->link->setPageNumber($this->getPositions()->getFirstPage()); |
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$pages[] = $first->reset()->setData($this->link, static::PREV_PAGE . static::PREV_PAGE)->render(); |
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$this->link->setPageNumber($this->getPositions()->getPrevPage()); |
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$pages[] = $first->reset()->setData($this->link, static::PREV_PAGE)->render(); |
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foreach ($this->getDisplayPages() as $displayPage) { |
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$current = ($this->getPositions()->getPager()->getActualPage() == $displayPage) ? $this->currentPage : $this->anotherPage ; |
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$this->link->setPageNumber($displayPage); |
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$pages[] = $current->reset()->setData($this->link, strval($displayPage))->render(); |
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} |
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$last = $this->getPositions()->nextPageExists() ? $this->anotherPage : $this->disabledPage; |
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$this->link->setPageNumber($this->getPositions()->getNextPage()); |
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$pages[] = $last->reset()->setData($this->link, static::NEXT_PAGE)->render(); |
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$this->link->setPageNumber($this->getPositions()->getLastPage()); |
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$pages[] = $last->reset()->setData($this->link, static::NEXT_PAGE . static::NEXT_PAGE)->render(); |
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$this->pager->setData( |
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implode('', $pages), |
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$showPositions ? $this->getPositions() : null |
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); |
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return $this->pager->render(); |
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} |
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public function getPager(): IPager |
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{ |
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return $this->getPositions()->getPager(); |
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} |
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} |
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alex-kalanis /
kw_paging
