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<?php
namespace Bitrix\Main\Component;
use Bitrix\Main\Context;
use Bitrix\Main\UserField\HtmlBuilder;
use CBitrixComponent;
use CBitrixComponentTemplate;
use ReflectionClass;
use Bitrix\Main\Localization\Loc;
/**
* Class BaseUfComponent
* @package Bitrix\Main\Component
*/
abstract class BaseUfComponent extends CBitrixComponent
{
public const
MODE_DEFAULT = '.default',
TEMPLATE_PAGE_DEFAULT = '.default',
TEMPLATE_NAME_DEFAULT = '.default';
/*
* List of available media types
* MediaType === Template folder by default, may be overriding in child class
*/
public const
MEDIA_TYPE_DEFAULT = '.default',
MEDIA_TYPE_MOBILE = 'mobile';
/**
* @var array $htmlBuilder
*/
protected static
$htmlBuilder = [];
/**
* @var CBitrixComponentTemplate $componentTemplate
* @var array $userField
* @var array $additionalParameters
*/
protected
$componentTemplate,
$userField = [],
$additionalParameters = [];
/**
* @var string $mediaType
* @var string $mode
*/
private
$mediaType = '',
$mode = '',
$availableModes = [];
public function __construct($component = null)
{
parent::__construct($component);
$this->componentTemplate = new CBitrixComponentTemplate();
}
final public function executeComponent()
{
$this->initResult();
$this->prepareResult();
$this->initAvailableModes();
$this->initMode();
$this->initMediaType();
$templateName = $this->resolveTemplateName();
$templatePage = $this->resolveTemplatePage();
$this->setTemplateName($templateName);
if($templatePage && !$this->isExistTemplatePage($templatePage))
{
// changing to default templatePage if file with $templatePage name not exist ...
if($templatePage !== static::TEMPLATE_PAGE_DEFAULT)
{
$templatePage = static::TEMPLATE_PAGE_DEFAULT;
}
// ... or setting default templateName if $templatePage name
// is equal to TEMPLATE_PAGE_DEFAULT and not exist in current templateName folder
else
{
$this->setTemplateName(static::TEMPLATE_NAME_DEFAULT);
}
}
if($templatePage)
{
$this->includeComponentTemplate($templatePage);
}
else
{
$this->__showError(str_replace(
['#NAME#', '#PAGE#'],
[$this->getMode(), $this->getMediaType()],
"Cannot find '#NAME#' template with page '#PAGE#'"
));
}
}
final protected function initResult(): void
{
$this->setUserField($this->arParams['~userField']);
$this->setAdditionalParameters($this->arParams['additionalParameters']);
$this->setParentComponent($this->getAdditionalParameter('parentComponent'));
$this->arResult['additionalParameters'] = $this->getAdditionalParameters();
$this->arResult['userField'] = $this->getUserField();
$this->arResult['fieldName'] = $this->getFieldName();
$this->arResult['value'] = $this->getFieldValue();
}
/**
* @return array|bool
*/
public function getUserField()
{
return $this->userField;
}
/**
* @param array|bool $userField
*/
public function setUserField($userField): void
{
$this->userField = $userField;
}
/**
* @param string $key
* @return mixed|null
*/
public function getAdditionalParameter(string $key)
{
return ($this->additionalParameters[$key] ?? null);
}
/**
* @return array
*/
public function getAdditionalParameters(): array
{
return $this->additionalParameters;
}
/**
* @param array $additionalParameters
*/
public function setAdditionalParameters(?array $additionalParameters): void
{
$this->additionalParameters = $additionalParameters;
}
/**
* @return CBitrixComponent|null
*/
public function getParentComponent(): ?CBitrixComponent
{
return $this->__parent;
}
/**
* @param CBitrixComponent|null $_parent
*/
public function setParentComponent(?CBitrixComponent $_parent): void
{
$this->__parent = $_parent;
}
/**
* You can override this method in a child class
* to add the personal custom functionality of the child class
*/
protected function prepareResult(): void
{
}
protected function initAvailableModes(): void
{
if(!empty($this->additionalParameters['mode']))
{
$modes = (is_array($this->additionalParameters['mode']) ?
$this->additionalParameters['mode'] : [$this->additionalParameters['mode']]
);
}
else
{
$modes = [static::MODE_DEFAULT];
}
$this->setAvailableModes($modes);
}
/**
* @return array
*/
public function getAvailableModes(): array
{
return $this->availableModes;
}
/**
* @param array $availableModes
*/
public function setAvailableModes(array $availableModes): void
{
$this->availableModes = $availableModes;
}
protected function initMode(): void
{
$availableModes = $this->getAvailableModes();
$mode = array_shift($availableModes);
$this->setMode($mode);
}
/**
* @param string $mode
*/
protected function setMode(string $mode): void
{
$this->mode = $mode;
}
protected function initMediaType(): void
{
$mediaType = ($this->additionalParameters['mediaType'] ?: static::MEDIA_TYPE_DEFAULT);
$this->setMediaType($mediaType);
}
/**
* @param string $mediaType
*/
protected function setMediaType(string $mediaType): void
{
$this->mediaType = $mediaType;
}
/**
* Resolving a mode name to template name.
* By default mode === templateFolderName, can be otherwise in child class
* @return string
*/
protected function resolveTemplateName(): string
{
return ($this->getAvailableTemplateFolder() ?? static::TEMPLATE_NAME_DEFAULT);
}
/**
* @return string
*/
final public function getMode(): string
{
return $this->mode;
}
/**
* @return string
*/
protected function getTemplateNameFromMode(): string
{
return ($this->getMode() ?: static::TEMPLATE_NAME_DEFAULT);
}
/**
* Return templatePage name from mediaType
* or null if mediaType incorrect
* @return null|string
*/
final protected function resolveTemplatePage(): ?string
{
return ($this->isPossibleMediaType() ?
$this->getTemplatePageFromMediaType() : null
);
}
/**
* @param string|null $templatePage
* @return bool
*/
final protected function isExistTemplatePage(?string $templatePage = ''): bool
{
if(empty($templatePage))
{
$templatePage = $this->getTemplatePage();
}
return $this->hasTemplatePage($templatePage);
}
/**
* Checking if mediaType specified when calling the component is valid
* @return bool
*/
final protected function isPossibleMediaType(): bool
{
static $mediaTypes = null;
if($mediaTypes === null)
{
$mediaTypes = $this->getMediaTypes();
}
return in_array($this->getMediaType(), $mediaTypes, true);
}
/**
* @return string
*/
protected function getTemplatePageFromMediaType(): string
{
return $this->getMediaType() ?: static::MEDIA_TYPE_DEFAULT;
}
/**
* Return all mediaTypes
* @return array
*/
final protected function getMediaTypes(): array
{
$reflection = new ReflectionClass(__CLASS__);
$constants = $reflection->getConstants();
$result = [];
foreach($constants as $name => $value)
{
if(mb_strpos($name, 'MEDIA_TYPE_') === 0)
{
$result[$name] = $value;
}
}
return $result;
}
/**
* @return string
*/
protected function getMediaType(): string
{
return $this->mediaType;
}
/**
* @return bool
*/
final protected function hasTemplateFolder(): bool
{
static $checkedTemplateFolders = [];
if(
!array_key_exists($this->getMode(), $checkedTemplateFolders)
||
$checkedTemplateFolders[$this->getMode()] === null
)
{
$this->setTemplateName($this->getTemplateNameFromMode());
$this->componentTemplate->Init($this);
$checkedTemplateFolders[$this->getMode()] = $this->componentTemplate->hasTemplate();
}
return $checkedTemplateFolders[$this->getMode()];
}
/**
* Returning first correct template folder from array of availables modes
* @return null|string
*/
final protected function getAvailableTemplateFolder(): ?string
{
$availableMethodsKey = $this->generateAvailableModesHash();
static $availableMode = [];
if(
!array_key_exists($availableMethodsKey, $availableMode)
||
$availableMode[$availableMethodsKey] === null
)
{
foreach($this->getAvailableModes() as $mode)
{
$this->setMode($mode);
if($this->hasTemplateFolder())
{
$availableMode[$availableMethodsKey] = $this->getMode();
break;
}
}
}
return $availableMode[$availableMethodsKey];
}
/**
* @return string
*/
final protected function generateAvailableModesHash(): string
{
return md5(static::getUserTypeId() . json_encode($this->getAvailableModes()));
}
/**
* @param string $templatePage
* @return bool
*/
final protected function hasTemplatePage(string $templatePage): bool
{
static $isCheckedTemplatePage = null;
if($isCheckedTemplatePage === null)
{
$this->componentTemplate->Init($this, $this->getTemplateNameFromMode());
$isCheckedTemplatePage = $this->componentTemplate->hasTemplatePage($templatePage);
}
return $isCheckedTemplatePage;
}
/**
* @return string
*/
protected function getFieldName(): string
{
if(
(!$this->userField || empty($this->userField['FIELD_NAME']))
&&
(!$this->additionalParameters || !isset($this->additionalParameters['NAME']))
)
{
return '';
}
$fieldName = $this->additionalParameters['NAME'] ?? $this->userField['FIELD_NAME'];
if($this->isMultiple() && !mb_substr_count($fieldName, '[]'))
{
$fieldName .= '[]';
}
return $fieldName;
}
/**
* @return bool
*/
public function isMultiple(): bool
{
return (isset($this->userField['MULTIPLE']) && $this->userField['MULTIPLE'] === 'Y');
}
/**
* @return array
*/
protected function getFieldValue(): array
{
if(
!$this->additionalParameters['bVarsFromForm']
&&
!isset($this->additionalParameters['VALUE'])
)
{
$value = (
isset($this->userField['ENTITY_VALUE_ID'])
&&
$this->userField['ENTITY_VALUE_ID'] <= 0
?
$this->userField['SETTINGS']['DEFAULT_VALUE'] : $this->userField['VALUE']
);
}
elseif(isset($this->additionalParameters['VALUE']))
{
$value = $this->additionalParameters['VALUE'];
}
else
{
$value = Context::getCurrent()->getRequest()->get($this->userField['FIELD_NAME']);
}
return self::normalizeFieldValue($value);
}
/**
* @param mixed $value
* @return array
*/
final protected static function normalizeFieldValue($value): array
{
if(!is_array($value))
{
$value = array($value);
}
if(empty($value))
{
$value = array(null);
}
return $value;
}
/**
* @return HtmlBuilder
*/
final public function getHtmlBuilder()
{
if(!array_key_exists(static::getUserTypeId(), self::$htmlBuilder))
{
$this->setHtmlBuilder(new HtmlBuilder(static::getUserTypeId()));
}
return self::$htmlBuilder[static::getUserTypeId()];
}
/**
* @param HtmlBuilder $htmlBuilder
*/
final public function setHtmlBuilder(HtmlBuilder $htmlBuilder): void
{
self::$htmlBuilder[static::getUserTypeId()] = $htmlBuilder;
}
/**
* @return bool
*/
final public function isDefaultMode(): bool
{
return ($this->getMediaType() === static::MEDIA_TYPE_DEFAULT);
}
/**
* @return bool
*/
final public function isMobileMode(): bool
{
return ($this->getMediaType() === static::MEDIA_TYPE_MOBILE);
}
/**
* @return bool
*/
final public function isAjaxRequest(): bool
{
return Context::getCurrent()->getRequest()->isAjaxRequest();
}
/**
* @return string
*/
abstract protected static function getUserTypeId(): string;
}