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<?php
namespace Bitrix\Landing;
abstract class Node
{
/**
* Must return js class - frontend handler.
* @return string
*/
abstract public static function getHandlerJS();
/**
* Save data for this node.
* @param \Bitrix\Landing\Block $block Block instance.
* @param string $selector Selector.
* @param array $data Data array.
* @return void
*/
abstract public static function saveNode(\Bitrix\Landing\Block $block, $selector, array $data);
/**
* Get data for this node.
* @param \Bitrix\Landing\Block $block Block instance.
* @param string $selector Selector.
* @return array
*/
abstract public static function getNode(\Bitrix\Landing\Block $block, $selector);
/**
* Prepare item-node of manifest.
* @param \Bitrix\Landing\Block $block Block instance.
* @param array $manifest Manifest of current node.
* @param array $manifestFull Full manifest of block (by ref).
* @return array|null Return null no delete from manifest.
*/
//abstract public static function prepareManifest(\Bitrix\Landing\Block $block, array $manifest, array &$manifestFull = array());
/**
* If exists, means that this node may participate in searching. Must returns content for search.
* @param Block &$block Block instance.
* @param string $selector Selector.
* @return array
*/
//abstract public static function getSearchableNode($block, $selector);
/**
* Prepares some content for search.
* @param string $value Text value.
* @return string
*/
protected static function prepareSearchContent($value)
{
if (is_string($value))
{
$value = strip_tags($value);
$value = preg_replace('/[\s]{2,}/', ' ', $value);
$value = trim($value);
}
return $value;
}
/**
* Prepare field definition for node.
*
* @param array $field
* @return array|null
*/
public static function prepareFieldDefinition(array $field)
{
$field = array_change_key_case($field, CASE_LOWER);
$field['id'] = static::prepareStringValue($field, 'id');
$field['type'] = static::prepareStringValue($field, 'type');
$field['name'] = static::prepareStringValue($field, 'name');
if (empty($field['id']) || empty($field['type']) || empty($field['name']))
{
return null;
}
/** @var Node $className */
$className = Node\Type::getClassName($field['type']);
if (!class_exists($className))
{
return null;
}
return $className::validateFieldDefinition($field);
}
/**
* @param array $field
* @return array|null
*/
protected static function validateFieldDefinition(array $field)
{
return [
'id' => $field['id'],
'type' => $field['type'],
'name' => $field['name']
];
}
/**
* @param array $row
* @param string $name
* @return string|null
*/
protected static function prepareStringValue(array $row, $name)
{
if (empty($row[$name]) || !is_string($row[$name]))
{
return null;
}
$row[$name] = trim($row[$name]);
if ($row[$name] === '')
{
return null;
}
return $row[$name];
}
}