public function format(Node $node, Document $document)
{
$node->convertRelativeWidthsOfColumns();
$node->reduceColumnsWidthsByMargins();
$columnsWidths = $node->getWidthsOfColumns();
$columnsMarginsLeft = $node->getMarginsLeftOfColumns();
$columnsMarginsRight = $node->getMarginsRightOfColumns();
$numberOfColumns = $node->getNumberOfColumns();
$totalColumnsWidth = array_sum($columnsWidths);
$tableWidth = $node->getWidth();
$enlargeColumnWidth = $numberOfColumns ? ($tableWidth - $totalColumnsWidth) / count($columnsWidths) : 0;
foreach ($columnsWidths as $index => $width) {
$columnsWidths[$index] += $enlargeColumnWidth;
}
foreach ($node->getChildren() as $row) {
foreach ($row->getChildren() as $cell) {
$column = $cell->getNumberOfColumn();
$colspan = $cell->getColspan();
$newWidth = 0;
for ($i = 0; $i < $colspan; $i++) {
$newWidth += $columnsWidths[$column + $i];
}
$horizontalPaddings = $cell->getPaddingLeft() + $cell->getPaddingRight();
$cell->setWidth($newWidth - $horizontalPaddings);
$cell->setMarginLeft($columnsMarginsLeft[$column]);
$cell->setMarginRight($columnsMarginsRight[$column + $colspan - 1]);
}
}
}