protected function FormAssemblyEntityViewBuilder::splitMarkup in FormAssembly 8

Helper method to parse the markup into head and body.

Parameters

string $markup: The markup returned from formassembly.

Return value

array An array with 'head' and 'body' for expansion via list().

1 call to FormAssemblyEntityViewBuilder::splitMarkup()

FormAssemblyEntityViewBuilder::view in src/Entity/FormAssemblyEntityViewBuilder.php

Builds the render array for the provided entity.

File

src/Entity/FormAssemblyEntityViewBuilder.php, line 106

Class

FormAssemblyEntityViewBuilder

Prepares the FormAssembly entity for display.

Namespace

Drupal\formassembly\Entity

Code

protected function splitMarkup($markup) {

  // Now, per FormAssembly support, we'll try to find a <div> element with
  // the class name "wFormContainer".
  $crawler = new Crawler();
  $crawler
    ->addContent($markup);

  // Symfony's crawler will get the html inside the filtered tag.
  $innerBody = $crawler
    ->filter('.wFormContainer')
    ->html();

  // If we found the body wrapper div:
  if (!empty($innerBody)) {

    // Grab the raw html of the header.
    // Just in case there's another wrapper, we get the HTML before the first
    // <div>, which is probably the same <div> we just found.
    $headMarkup = substr($markup, 0, stripos($markup, '<div'));
    $headMarkup = trim($headMarkup);

    // Process and extract attachable items from this raw markup.
    $attached = $this
      ->attachedHead($headMarkup);

    // Re-assemble the form wrapper filtered above.
    $bodyMarkup = "<div class=\"wFormContainer\">{$innerBody}</div>";
  }
  else {

    // Fall back to using the entire markup in the body.
    $attached = [];
    $bodyMarkup = trim($markup);
  }
  return [
    $attached,
    $bodyMarkup,
  ];
}