/**
* Builds the layout.
*
* @param \Drupal\layout\Plugin\Layout\LayoutInterface $layout
* The layout to render.
* @param \Drupal\layout\Plugin\Layout\LayoutBlockAndContextProviderInterface $provider
* The block and context provider needed to build the layout.
*
* @return array
* The render array.
*/
public function build(LayoutInterface $layout, LayoutBlockAndContextProviderInterface $provider)
{
$regions = $provider->getLayoutRegions();
$renderArray = array();
$rootRegions = array();
// Find rootRegions - @note we are doing it this way because *nesting* getLayoutRegions-calls
// resets the internal iterator.
foreach ($regions as $region) {
if (!$region->getParentRegionId()) {
$rootRegions[$region->getConfiguration()['region_id']] = $region;
}
}
// Loop regions and build them, if needed, recursively.
foreach ($rootRegions as $region_id => $region) {
$renderArray[$region_id] = $this->buildRegion($region, $provider);
}
return array('#theme' => array($layout->getPluginDefinition()['theme'], 'layout'), '#regions' => $renderArray);
}
/**
* Initializes the page variant regions on the basis of given layout.
*
* @param \Drupal\layout\Plugin\Layout\LayoutInterface $layout
*
* @return \Drupal\layout\Plugin\LayoutRegion\LayoutRegionPluginCollection
*/
protected function initializeLayoutRegionsFromLayout(LayoutInterface $layout)
{
$this->configuration['regions'] = array();
$definitions = $layout ? $layout->getRegionDefinitions() : array();
$weight = 0;
foreach ($definitions as $id => $regionPluginDefinition) {
$this->addLayoutRegion(array('id' => !empty($regionPluginDefinition['plugin_id']) ? $regionPluginDefinition['plugin_id'] : 'default', 'region_id' => $id, 'label' => $regionPluginDefinition['label'], 'weight' => $weight));
$weight++;
}
$this->configuration['regions'] = $this->getLayoutRegions()->getConfiguration();
return $this->getLayoutRegions();
}
/**
* Initializes the page variant regions on the basis of given layout.
*
* @param LayoutInterface $layout
* @return LayoutRegionPluginBag|\Drupal\page_layout\Plugin\LayoutRegionPluginBag
*/
private function initializeLayoutRegionsFromLayout(LayoutInterface $layout)
{
$this->configuration['regions'] = array();
$definitions = $layout ? $layout->getRegionDefinitions() : array();
$weight = 0;
$uuids_by_region_id = array();
foreach ($definitions as $region_id => $regionPluginDefinition) {
$uuids_by_region_id[$region_id] = $this->addLayoutRegion(array('id' => !empty($regionPluginDefinition['plugin_id']) ? $regionPluginDefinition['plugin_id'] : 'default', 'region_id' => $region_id, 'label' => $regionPluginDefinition['label'], 'weight' => $weight, 'parent' => isset($regionPluginDefinition['parent']) ? $regionPluginDefinition['parent'] : NULL, 'options' => isset($regionPluginDefinition['options']) ? $regionPluginDefinition['options'] : NULL));
$weight++;
}
$configuration = $this->getLayoutRegions()->getConfiguration();
// Make sure that parent machine names are replaced with uuids.
// We run this *after* so that we can be sure to have generated all
// regions.
foreach ($configuration as $uuid => $region_config) {
if (isset($region_config['parent'])) {
$region_config['parent'] = $uuids_by_region_id[$region_config['parent']];
$this->updateLayoutRegion($uuid, $region_config);
}
}
$this->configuration['regions'] = $this->getLayoutRegions()->getConfiguration();
return $this->getLayoutRegions();
}
