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<?php |
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namespace PhpSchool\CliMenu\MenuItem; |
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use Assert\Assertion; |
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use PhpSchool\CliMenu\MenuStyle; |
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/** |
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* @author Michael Woodward <[email protected]> |
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*/ |
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class AsciiArtItem implements MenuItemInterface |
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{ |
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/** |
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* Possible positions of the ascii art |
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*/ |
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const POSITION_CENTER = 'center'; |
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const POSITION_LEFT = 'left'; |
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const POSITION_RIGHT = 'right'; |
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/** |
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* @var string |
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*/ |
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private $text; |
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/** |
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* @var string |
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*/ |
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private $position; |
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/** |
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* @var string |
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*/ |
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private $alternateText; |
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/** |
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* @var int |
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*/ |
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private $artLength; |
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public function __construct(string $text, string $position = self::POSITION_CENTER, string $alt = '') |
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{ |
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Assertion::inArray($position, [self::POSITION_CENTER, self::POSITION_RIGHT, self::POSITION_LEFT]); |
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$this->setText($text); |
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$this->position = $position; |
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$this->alternateText = $alt; |
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} |
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/** |
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* The output text for the item |
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*/ |
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public function getRows(MenuStyle $style, bool $selected = false) : array |
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{ |
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if ($this->artLength > $style->getContentWidth()) { |
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$alternate = new StaticItem($this->alternateText); |
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return $alternate->getRows($style, false); |
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} |
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$padding = $style->getContentWidth() - $this->artLength; |
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return array_map(function ($row) use ($padding) { |
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switch ($this->position) { |
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case self::POSITION_LEFT: |
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break; |
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case self::POSITION_RIGHT: |
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$row = sprintf('%s%s', str_repeat(' ', $padding), $row); |
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break; |
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case self::POSITION_CENTER: |
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default: |
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$left = ceil($padding / 2); |
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$row = sprintf('%s%s', str_repeat(' ', $left), $row); |
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break; |
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} |
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return $row; |
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}, explode("\n", $this->text)); |
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} |
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/** |
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* Can the item be selected |
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*/ |
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public function canSelect() : bool |
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{ |
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return false; |
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} |
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/** |
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* Execute the items callable if required |
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*/ |
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public function getSelectAction() : ?callable |
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{ |
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return null; |
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} |
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/** |
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* Return the raw string of text |
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*/ |
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public function getText() : string |
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{ |
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return $this->text; |
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} |
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/** |
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* Set the raw string of text |
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*/ |
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public function setText(string $text) : void |
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{ |
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$this->text = implode("\n", array_map(function (string $line) { |
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return rtrim($line, ' '); |
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}, explode("\n", $text))); |
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$this->calculateArtLength(); |
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} |
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/** |
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* Calculate the length of the art |
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*/ |
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private function calculateArtLength() : void |
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{ |
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$this->artLength = max(array_map('mb_strlen', explode("\n", $this->text))); |
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} |
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/** |
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* Return the length of the art |
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*/ |
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public function getArtLength() : int |
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{ |
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return $this->artLength; |
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} |
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/** |
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* Whether or not the menu item is showing the menustyle extra value |
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*/ |
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public function showsItemExtra() : bool |
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{ |
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return false; |
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} |
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/** |
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* Enable showing item extra |
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*/ |
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public function showItemExtra() : void |
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{ |
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//noop |
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} |
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/** |
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* Disable showing item extra |
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*/ |
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public function hideItemExtra() : void |
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{ |
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//noop |
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} |
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} |
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php-school /
cli-menu
