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<?php |
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namespace PhpSchool\CliMenu\MenuItem\Helper; |
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use PhpSchool\CliMenu\MenuItem\AsciiArtItem; |
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class AsciiArtItemJustificationHelper |
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{ |
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private $contentWidth; |
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private $artLength; |
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private $position; |
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public function __construct($position, $contentWidth, $artLength) |
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{ |
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$this->contentWidth = $contentWidth; |
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$this->artLength = $artLength; |
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$this->position = $position; |
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} |
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public function justifyRow($row) |
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{ |
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switch ($this->position) { |
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case AsciiArtItem::POSITION_LEFT: |
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return $this->leftJustifyRow($row); |
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case AsciiArtItem::POSITION_RIGHT: |
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return $this->rightJustifyRow($row); |
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case AsciiArtItem::POSITION_CENTER: |
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default: |
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return $this->centerJustifyRow($row); |
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} |
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} |
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/** |
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* @param $row |
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* @return string |
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*/ |
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private function leftJustifyRow($row) |
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{ |
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return $row; |
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} |
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/** |
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* @param $row |
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* @return string |
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*/ |
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private function rightJustifyRow($row) |
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{ |
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$padding = $this->_getPadding($row); |
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$row = rtrim($row); |
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$padding = $padding - ($this->artLength - mb_strlen($row)); |
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return sprintf('%s%s', str_repeat(' ', $padding), $row); |
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} |
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/** |
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* @param $row |
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* @return string |
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*/ |
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private function centerJustifyRow($row) |
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{ |
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$padding = $this->_getPadding($row); |
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$row = rtrim($row); |
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$padding = $padding - ($this->artLength - mb_strlen($row)); |
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$left = ceil($padding / 2); |
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$right = $padding - $left; |
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return sprintf('%s%s%s', str_repeat(' ', $left), $row, str_repeat(' ', $right)); |
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} |
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/** |
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* @param $row |
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* @return int |
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*/ |
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private function _getPadding($row) |
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{ |
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$length = mb_strlen($row); |
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return $this->contentWidth - $length; |
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} |
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} |
php-school /
cli-menu
