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<?php |
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/** |
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* This file is part of the O2System Framework package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Steeve Andrian Salim |
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* @copyright Copyright (c) Steeve Andrian Salim |
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*/ |
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// ------------------------------------------------------------------------ |
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namespace O2System\Kernel\Cli\Writers; |
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// ------------------------------------------------------------------------ |
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/** |
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* Class Table |
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* |
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* Table generator for PHP command line interface (cli). |
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* Based on LucidFrame\Console\ConsoleTable class. |
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* |
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* @author Sithu K. <[email protected]> |
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* Steeve Andrian Salim |
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* |
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* @package O2System\Kernel\Cli\Writers |
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*/ |
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class Table |
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{ |
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/** |
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* Table::HEADER_INDEX |
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* |
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* @var int |
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*/ |
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const HEADER_INDEX = -1; |
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/** |
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* Table::$isShowBorder |
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* |
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* Table show border flag. |
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* |
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* @var bool |
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*/ |
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public $isShowBorder = true; |
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/** |
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* Table::$rows |
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* |
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* Array of table rows. |
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* |
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* @var array |
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*/ |
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protected $rows = []; |
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/** |
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* Table::$padding |
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* |
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* Numbers of table padding. |
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* |
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* @var int |
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*/ |
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protected $padding = 1; |
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/** |
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* Table::$leftMargin |
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* |
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* Numbers of table left margin. |
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* |
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* @var int |
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*/ |
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protected $leftMargin = 0; |
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/** |
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* Table::$rowIndex |
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* |
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* Table row indexing numbers. |
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* |
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* @var int |
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*/ |
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private $rowIndex = -1; |
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/** |
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* Table::$columnsWidths |
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* |
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* Cache list of table column widths. |
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* |
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* @var array |
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*/ |
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private $columnWidths = []; |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::setHeaders |
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* |
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* Adds the headers for the columns |
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* |
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* @param array $headers of header cell content |
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* |
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* @return static |
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*/ |
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public function setHeaders(array $headers) |
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{ |
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$this->rows[ self::HEADER_INDEX ] = $headers; |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::addHeader |
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* |
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* Adds a column to the table header |
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* |
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* @param mixed $content Table column cell content. |
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* |
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* @return static |
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*/ |
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public function addHeader($content = '') |
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{ |
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$this->rows[ self::HEADER_INDEX ][] = $content; |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::getHeaders |
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* |
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* Get the row of header. |
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* |
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* @return mixed |
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*/ |
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public function getHeaders() |
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{ |
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return isset($this->rows[ self::HEADER_INDEX ]) |
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? $this->rows[ self::HEADER_INDEX ] |
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: null; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::addRow |
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* |
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* Adds a row to the table. |
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* |
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* @param array $data The row data to add |
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* |
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* @return static |
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*/ |
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public function addRow($data = null) |
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{ |
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$this->rowIndex++; |
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if (is_array($data)) { |
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foreach ($data as $column => $content) { |
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$this->rows[ $this->rowIndex ][ $column ] = $content; |
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} |
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} |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Adds a column to the table |
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* |
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* @param mixed $content The data of the column |
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* @param int $columnIndex The column index to populate |
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* @param int $rowIndex The row index, if the row isn't starting from zero, specify it here. |
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* |
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* @return static |
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*/ |
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public function addColumn($content, $columnIndex = null, $rowIndex = null) |
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{ |
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$rowIndex = $rowIndex === null |
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? $this->rowIndex |
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: $rowIndex; |
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if ($columnIndex === null) { |
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$columnIndex = isset($this->rows[ $rowIndex ]) |
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? count($this->rows[ $rowIndex ]) |
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: 0; |
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} |
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$this->rows[ $rowIndex ][ $columnIndex ] = $content; |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::setPadding |
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* |
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* Set padding for each cell. |
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* |
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* @param int $numbers The numbers of padding, the default numbers is 1. |
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* |
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* @return static |
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*/ |
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public function setPadding($numbers = 1) |
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{ |
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$this->padding = $numbers; |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::setLeftMargin |
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* |
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* Set left indentation for the table. |
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* |
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* @param int $numbers The numbers of left margin, the default numbers is 0. |
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* |
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* @return static |
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*/ |
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public function setLeftMargin($numbers = 0) |
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{ |
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$this->leftMargin = $numbers; |
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return $this; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::__toString |
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* |
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* Implementation __toString magic method so that when the class is converted to a string |
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* automatically performs the rendering process. |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->render(); |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::render |
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* |
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* Render the table. |
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* |
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* @return string |
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*/ |
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public function render() |
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{ |
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$this->calculateColumnWidth(); |
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$output = $this->isShowBorder |
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? $this->renderBorder() |
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: ''; |
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foreach ($this->rows as $rowIndex => $row) { |
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foreach ($row as $cellIndex => $cell) { |
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$output .= $this->renderCell($cellIndex, $row); |
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} |
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$output .= "\n"; |
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if ($rowIndex === self::HEADER_INDEX) { |
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$output .= $this->renderBorder(); |
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} |
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} |
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$output .= $this->isShowBorder |
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? $this->renderBorder() |
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: ''; |
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return $output; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::calculateColumnWidth |
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* |
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* Calculate maximum width of each column |
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* |
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* @return array |
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*/ |
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private function calculateColumnWidth() |
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{ |
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foreach ($this->rows as $rowIndex => $row) { |
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foreach ($row as $columnIndex => $column) { |
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if ( ! isset($this->columnWidths[ $columnIndex ])) { |
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$this->columnWidths[ $columnIndex ] = strlen($column); |
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} else { |
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if (strlen($column) > $this->columnWidths[ $columnIndex ]) { |
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$this->columnWidths[ $columnIndex ] = strlen($column); |
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} |
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} |
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} |
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} |
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return $this->columnWidths; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::renderBorder |
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* |
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* Render the table border. |
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* |
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* @return string |
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*/ |
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private function renderBorder() |
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{ |
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$output = ''; |
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$columnCount = count($this->rows[ 0 ]); |
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for ($col = 0; $col < $columnCount; $col++) { |
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$output .= $this->renderCell($col); |
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} |
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if ($this->isShowBorder) { |
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$output .= '+'; |
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} |
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$output .= "\n"; |
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return $output; |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Table::renderCell |
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* |
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* Render the table cell content. |
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* |
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* @param int $index The column index. |
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* @param array $row The table row. |
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* |
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* @return string |
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*/ |
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private function renderCell($index, $row = null) |
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{ |
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$cell = $row |
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? $row[ $index ] |
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: '-'; |
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$width = $this->columnWidths[ $index ]; |
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$pad = $row |
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? $width - strlen($cell) |
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: $width; |
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$padding = str_repeat( |
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$row |
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? ' ' |
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: '-', |
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$this->padding |
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); |
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$output = ''; |
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if ($index === 0) { |
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$output .= str_repeat(' ', $this->leftMargin); |
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} |
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if ($this->isShowBorder) { |
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$output .= $row |
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? '|' |
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: '+'; |
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} |
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$output .= $padding; # left padding |
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$output .= str_pad( |
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$cell, |
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$width, |
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$row |
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? ' ' |
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: '-' |
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); # cell content |
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$output .= $padding; # right padding |
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$row = is_array($row) ? $row : []; |
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if ($index == count($row) - 1 && $this->isShowBorder) { |
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$output .= $row |
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? '|' |
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: '+'; |
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} |
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return $output; |
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} |
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} |