/**
* Remove scheduled element
*
* @param ScheduledStructure $scheduledStructure
* @param Structure $structure
* @param string $elementName
* @param bool $isChild
* @return $this
*/
protected function removeElement(ScheduledStructure $scheduledStructure, Structure $structure, $elementName, $isChild = false)
{
$elementsToRemove = array_keys($structure->getChildren($elementName));
$scheduledStructure->unsetElement($elementName);
foreach ($elementsToRemove as $element) {
$this->removeElement($scheduledStructure, $structure, $element, true);
}
if (!$isChild) {
$structure->unsetElement($elementName);
}
return $this;
}
/**
* @covers \Magento\Framework\View\Layout\ScheduledStructure::unsetElement
*/
public function testUnsetElement()
{
$this->assertTrue($this->_model->hasElement('element1'));
$this->_model->unsetElement('element1');
$this->assertFalse($this->_model->hasElement('element1'));
}
/**
* Creates block object based on xml node data and add it to the layout
*
* @param string $elementName
* @return \Magento\Framework\View\Element\AbstractBlock|void
* @throws \Magento\Framework\Exception
*/
protected function _generateBlock($elementName)
{
list($type, $node, $actions, $args) = $this->_scheduledStructure->getElement($elementName);
if ($type !== Element::TYPE_BLOCK) {
throw new \Magento\Framework\Exception("Unexpected element type specified for generating block: {$type}.");
}
$configPath = (string) $node->getAttribute('ifconfig');
if (!empty($configPath) && !$this->_scopeConfig->isSetFlag($configPath, $this->scopeType, $this->scopeResolver->getScope())) {
$this->_scheduledStructure->unsetElement($elementName);
return;
}
$group = (string) $node->getAttribute('group');
if (!empty($group)) {
$this->_structure->addToParentGroup($elementName, $group);
}
// create block
$className = (string) $node['class'];
$arguments = $this->_evaluateArguments($args);
$block = $this->_createBlock($className, $elementName, array('data' => $arguments));
if (!empty($node['template'])) {
$templateFileName = (string) $node['template'];
$block->setTemplate($templateFileName);
}
if (!empty($node['ttl'])) {
$ttl = (int) $node['ttl'];
$block->setTtl($ttl);
}
$this->_scheduledStructure->unsetElement($elementName);
// execute block methods
foreach ($actions as $action) {
list($actionNode, $parent) = $action;
$this->_generateAction($actionNode, $parent);
}
return $block;
}