/**
* Hydrate block data for the page.
*
* @param array $blockData
* @param SitePage $page
* @param bool $append
*/
private function hydrateBlocks(array $blockData, SitePage $page, ErrorStore $errorStore, $append = false)
{
$blocks = $page->getBlocks();
$existingBlocks = $blocks->toArray();
$newBlocks = [];
$position = 1;
$fallbackBlock = ['o:layout' => null, 'o:data' => []];
foreach ($blockData as $inputBlock) {
if (!is_array($inputBlock)) {
continue;
}
$inputBlock = array_merge($fallbackBlock, $inputBlock);
$block = current($existingBlocks);
if ($block === false || $append) {
$block = new SitePageBlock();
$block->setPage($page);
$newBlocks[] = $block;
} else {
// Null out values as we re-use them
$existingBlocks[key($existingBlocks)] = null;
next($existingBlocks);
}
if (!is_string($inputBlock['o:layout']) || $inputBlock['o:layout'] === '') {
$errorStore->addError('o:block', 'All blocks must have a layout.');
return;
}
if (!is_array($inputBlock['o:data'])) {
$errorStore->addError('o:block', 'Block data must not be a scalar value.');
return;
}
$block->setLayout($inputBlock['o:layout']);
$block->setData($inputBlock['o:data']);
// (Re-)order blocks by their order in the input
$block->setPosition($position++);
$attachmentData = isset($inputBlock['o:attachment']) ? $inputBlock['o:attachment'] : [];
// Hydrate attachments, and abort block hydration if there's an error
if (!$this->hydrateAttachments($attachmentData, $block, $errorStore)) {
return;
}
$handler = $this->getServiceLocator()->get('Omeka\\BlockLayoutManager')->get($inputBlock['o:layout'])->onHydrate($block, $errorStore);
}
// Remove any blocks that weren't reused
if (!$append) {
foreach ($existingBlocks as $key => $existingBlock) {
if ($existingBlock !== null) {
$blocks->remove($key);
}
}
}
// Add any new blocks that had to be created
foreach ($newBlocks as $newBlock) {
$blocks->add($newBlock);
}
}
/**
* {@inheritDoc}
*/
public function setPage(\Omeka\Entity\SitePage $page)
{
$this->__initializer__ && $this->__initializer__->__invoke($this, 'setPage', array($page));
return parent::setPage($page);
}