/**
* @return null|string
*/
protected function compileVariablesOptions()
{
$paperSize = ['orientation' => $this->getOrientation(), 'format' => $this->getFormat()];
if ($margin = $this->getMargin()) {
$paperSize['margin'] = $margin;
}
if ($this->getWidth() && $this->getHeight()) {
$paperSize['width'] = $this->getWidth();
$paperSize['height'] = $this->getHeight();
unset($paperSize['format']);
}
$indents = ' ';
$script = parent::compileVariablesOptions();
$script .= 'page.paperSize = {' . PHP_EOL;
foreach ($paperSize as $key => $value) {
$script .= $indents . $key . ': ' . (is_scalar($value) ? '"' . $value . '"' : json_encode($value)) . ',' . PHP_EOL;
}
if ($header = $this->getHeader()) {
$script .= $indents . 'header: {' . PHP_EOL;
$script .= $indents . $indents . 'height: "' . $header['height'] . '",' . PHP_EOL;
$script .= $indents . $indents . 'contents: ' . $header['contents'] . PHP_EOL;
$script .= $indents . '},' . PHP_EOL;
}
if ($footer = $this->getFooter()) {
$script .= $indents . 'footer: {' . PHP_EOL;
$script .= $indents . $indents . 'height: "' . $footer['height'] . '",' . PHP_EOL;
$script .= $indents . $indents . 'contents: ' . $footer['contents'] . PHP_EOL;
$script .= $indents . '},' . PHP_EOL;
}
$script .= '};' . PHP_EOL;
return $script;
}
