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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\IOutput; |
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use kalanis\kw_paging\Interfaces\IPGTranslations; |
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use kalanis\kw_paging\Interfaces\IPositions; |
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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 CliPager |
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* @package kalanis\kw_paging\Render |
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* Pager for displaying on CLI |
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*/ |
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class CliPager implements IOutput |
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{ |
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use Traits\TDisplayPages; |
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use Traits\THelpingText; |
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public const SELECT_PAGE = '*'; |
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public const NONE_PAGE = '-'; |
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public const PREV_PAGE = '<'; |
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public const NEXT_PAGE = '>'; |
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public function __construct( |
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IPositions $positions, |
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int $displayPages = IPositions::DEFAULT_DISPLAY_PAGES_COUNT, |
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?IPGTranslations $lang = null |
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) |
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{ |
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$this->positions = $positions; |
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$this->displayPagesCount = $displayPages; |
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$this->setKpgLang($lang ?: new Translations()); |
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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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$pages[] = $this->getPositions()->prevPageExists() ? static::PREV_PAGE . static::PREV_PAGE . ' ' . $this->getPositions()->getFirstPage() : static::NONE_PAGE . static::NONE_PAGE ; |
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$pages[] = $this->getPositions()->prevPageExists() ? static::PREV_PAGE . ' ' . $this->getPositions()->getPrevPage() : static::NONE_PAGE ; |
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$pages[] = $this->getPositions()->getPager()->getActualPage() ; |
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$pages[] = $this->getPositions()->nextPageExists() ? $this->getPositions()->getNextPage() . ' ' . static::NEXT_PAGE : static::NONE_PAGE ; |
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$pages[] = $this->getPositions()->nextPageExists() ? $this->getPositions()->getLastPage() . ' ' . static::NEXT_PAGE . static::NEXT_PAGE : static::NONE_PAGE . static::NONE_PAGE ; |
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return implode(' | ', $pages) . ($showPositions ? ( PHP_EOL . $this->getFilledText($this->getPositions()) ) : '' ); |
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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
