DataLoader

Abstract class for returning data of source elements. The source must create its own class and retrieve data using passed parameters.

Method	Description	Available from version
__construct	Class constructor
setConfig	Sets source settings.
setOptions	Sets additional settings.
getElementData	Returns data for element which ID was passed to the method
getElementListData	Returns data for list with elements
Service methods for handling user filter
calculateFilterHash	Returns hash for cleared (corresponding to the format) block filter.
getFilterHash	Gets user field hash.
normalizeFilter	Clears block filter.
Methods for getting dynamic block settings
getFilter	Returns user filter.
getSelectFields	Returns list of fields to display.
getPreparedSelectFields	Returns standartized list of fields (as a simple array).
getPreparedFilter	Returns filter for using in ORM/GetList for specific source.
getInternalFilter	Returns additional filter.
getLimit	Returns a number of elements to be displayed in the list.
getOrder	Returns sorting settings.
SEO methods
getSeo	Returns object of class `\Bitrix\Landing\Source\Seo` for handling SEO parameters for separate element.
getSeoProperty	Gets SEO parameter for an element (only for detailed page).
getSeoTitle	Gets element name for page title.