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efrain |
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<?php
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namespace PhpOffice\PhpSpreadsheet\Helper;
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class TextGrid
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{
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/**
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* @var bool
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*/
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private $isCli = true;
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/**
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* @var array
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*/
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protected $matrix;
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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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* @var array
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*/
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protected $columns;
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/**
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* @var string
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*/
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private $gridDisplay;
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public function __construct(array $matrix, bool $isCli = true)
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{
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$this->rows = array_keys($matrix);
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$this->columns = array_keys($matrix[$this->rows[0]]);
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$matrix = array_values($matrix);
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array_walk(
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$matrix,
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function (&$row): void {
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$row = array_values($row);
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}
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);
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$this->matrix = $matrix;
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$this->isCli = $isCli;
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}
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public function render(): string
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{
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$this->gridDisplay = $this->isCli ? '' : '<pre>';
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$maxRow = max($this->rows);
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$maxRowLength = mb_strlen((string) $maxRow) + 1;
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$columnWidths = $this->getColumnWidths();
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$this->renderColumnHeader($maxRowLength, $columnWidths);
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$this->renderRows($maxRowLength, $columnWidths);
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$this->renderFooter($maxRowLength, $columnWidths);
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$this->gridDisplay .= $this->isCli ? '' : '</pre>';
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return $this->gridDisplay;
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}
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private function renderRows(int $maxRowLength, array $columnWidths): void
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{
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foreach ($this->matrix as $row => $rowData) {
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$this->gridDisplay .= '|' . str_pad((string) $this->rows[$row], $maxRowLength, ' ', STR_PAD_LEFT) . ' ';
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$this->renderCells($rowData, $columnWidths);
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$this->gridDisplay .= '|' . PHP_EOL;
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}
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}
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private function renderCells(array $rowData, array $columnWidths): void
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{
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foreach ($rowData as $column => $cell) {
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$displayCell = ($this->isCli) ? (string) $cell : htmlentities((string) $cell);
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$this->gridDisplay .= '| ';
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$this->gridDisplay .= $displayCell . str_repeat(' ', $columnWidths[$column] - mb_strlen($cell ?? '') + 1);
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}
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}
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private function renderColumnHeader(int $maxRowLength, array $columnWidths): void
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{
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$this->gridDisplay .= str_repeat(' ', $maxRowLength + 2);
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foreach ($this->columns as $column => $reference) {
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$this->gridDisplay .= '+-' . str_repeat('-', $columnWidths[$column] + 1);
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}
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$this->gridDisplay .= '+' . PHP_EOL;
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$this->gridDisplay .= str_repeat(' ', $maxRowLength + 2);
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foreach ($this->columns as $column => $reference) {
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$this->gridDisplay .= '| ' . str_pad((string) $reference, $columnWidths[$column] + 1, ' ');
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}
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$this->gridDisplay .= '|' . PHP_EOL;
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$this->renderFooter($maxRowLength, $columnWidths);
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}
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private function renderFooter(int $maxRowLength, array $columnWidths): void
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{
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$this->gridDisplay .= '+' . str_repeat('-', $maxRowLength + 1);
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foreach ($this->columns as $column => $reference) {
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$this->gridDisplay .= '+-';
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$this->gridDisplay .= str_pad((string) '', $columnWidths[$column] + 1, '-');
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}
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$this->gridDisplay .= '+' . PHP_EOL;
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}
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private function getColumnWidths(): array
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{
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$columnCount = count($this->matrix, COUNT_RECURSIVE) / count($this->matrix);
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$columnWidths = [];
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for ($column = 0; $column < $columnCount; ++$column) {
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$columnWidths[] = $this->getColumnWidth(array_column($this->matrix, $column));
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}
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return $columnWidths;
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}
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private function getColumnWidth(array $columnData): int
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{
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$columnWidth = 0;
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$columnData = array_values($columnData);
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foreach ($columnData as $columnValue) {
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if (is_string($columnValue)) {
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$columnWidth = max($columnWidth, mb_strlen($columnValue));
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} elseif (is_bool($columnValue)) {
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$columnWidth = max($columnWidth, mb_strlen($columnValue ? 'TRUE' : 'FALSE'));
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}
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$columnWidth = max($columnWidth, mb_strlen((string) $columnWidth));
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}
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return $columnWidth;
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}
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}
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