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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\View;
/**
* Interface LayoutInterface
* @api
* @since 100.0.2
*/
interface LayoutInterface
{
/**
* Retrieve the layout processor
*
* @return Layout\ProcessorInterface
*/
public function getUpdate();
/**
* Layout xml generation
*
* @return LayoutInterface
*/
public function generateXml();
/**
* Create structure of elements from the loaded XML configuration
*
* @return void
*/
public function generateElements();
/**
* Find an element in layout, render it and return string with its output
*
* @param string $name
* @param bool $useCache
* @return string
*/
public function renderElement($name, $useCache = true);
/**
* Add an element to output
*
* @param string $name
* @return LayoutInterface
*/
public function addOutputElement($name);
/**
* Get all blocks marked for output
*
* @return string
*/
public function getOutput();
/**
* Check if element exists in layout structure
*
* @param string $name
* @return bool
*/
public function hasElement($name);
/**
* Remove block from registry
*
* @param string $name
* @return LayoutInterface
*/
public function unsetElement($name);
/**
* Retrieve all blocks from registry as array
*
* @return array
*/
public function getAllBlocks();
/**
* Get block object by name
*
* @param string $name
* @return Element\BlockInterface|bool
*/
public function getBlock($name);
/**
* Get child block if exists
*
* @param string $parentName
* @param string $alias
* @return null
*/
public function getChildBlock($parentName, $alias);
/**
* Set child element into layout structure
*
* @param string $parentName
* @param string $elementName
* @param string $alias
* @return LayoutInterface
*/
public function setChild($parentName, $elementName, $alias);
/**
* Reorder a child of a specified element
*
* If $offsetOrSibling is null, it will put the element to the end
* If $offsetOrSibling is numeric (integer) value, it will put the element after/before specified position
* Otherwise -- after/before specified sibling
*
* @param string $parentName
* @param string $childName
* @param string|int|null $offsetOrSibling
* @param bool $after
* @return void
*/
public function reorderChild($parentName, $childName, $offsetOrSibling, $after = true);
/**
* Remove child element from parent
*
* @param string $parentName
* @param string $alias
* @return LayoutInterface
*/
public function unsetChild($parentName, $alias);
/**
* Get list of child names
*
* @param string $parentName
* @return array
*/
public function getChildNames($parentName);
/**
* Get list of child blocks
*
* Returns associative array of <alias> => <block instance>
*
* @param string $parentName
* @return array
*/
public function getChildBlocks($parentName);
/**
* Get child name by alias
*
* @param string $parentName
* @param string $alias
* @return bool|string
*/
public function getChildName($parentName, $alias);
/**
* Add element to parent group
*
* @param string $blockName
* @param string $parentGroupName
* @return bool
*/
public function addToParentGroup($blockName, $parentGroupName);
/**
* Get element names for specified group
*
* @param string $blockName
* @param string $groupName
* @return array
*/
public function getGroupChildNames($blockName, $groupName);
/**
* Gets parent name of an element with specified name
*
* @param string $childName
* @return bool|string
*/
public function getParentName($childName);
/**
* Block Factory
*
* @param string $type
* @param string $name
* @param array $arguments
* @return Element\BlockInterface
*/
public function createBlock($type, $name = '', array $arguments = []);
/**
* Add a block to registry, create new object if needed
*
* @param string|\Magento\Framework\View\Element\AbstractBlock $block
* @param string $name
* @param string $parent
* @param string $alias
* @return Element\BlockInterface
*/
public function addBlock($block, $name = '', $parent = '', $alias = '');
/**
* Insert container into layout structure
*
* @param string $name
* @param string $label
* @param array $options
* @param string $parent
* @param string $alias
* @return void
*/
public function addContainer($name, $label, array $options = [], $parent = '', $alias = '');
/**
* Rename element in layout and layout structure
*
* @param string $oldName
* @param string $newName
* @return bool
*/
public function renameElement($oldName, $newName);
/**
* Get element alias by name
*
* @param string $name
* @return bool|string
*/
public function getElementAlias($name);
/**
* Remove an element from output
*
* @param string $name
* @return LayoutInterface
*/
public function removeOutputElement($name);
/**
* Retrieve messages block
*
* @return \Magento\Framework\View\Element\Messages
*/
public function getMessagesBlock();
/**
* Get block singleton
*
* @param string $type
* @return Element\BlockInterface
*/
public function getBlockSingleton($type);
/**
* Get property value of an element
*
* @param string $name
* @param string $attribute
* @return mixed
*/
public function getElementProperty($name, $attribute);
/**
* Whether specified element is a block
*
* @param string $name
* @return bool
*/
public function isBlock($name);
/**
* Checks if element with specified name is container
*
* @param string $name
* @return bool
*/
public function isContainer($name);
/**
* Whether the specified element may be manipulated externally
*
* @param string $name
* @return bool
*/
public function isManipulationAllowed($name);
/**
* Save block in blocks registry
*
* @param string $name
* @param Element\BlockInterface $block
* @return LayoutInterface
*/
public function setBlock($name, $block);
/**
* Check is exists non-cacheable layout elements
*
* @return bool
*/
public function isCacheable();
}