/**
* Evaluate this node and return the correct object.
*
* Handles each part (denoted by .) in $this->objectPath in the following order:
* - call appropriate getter
* - call public property, if exists
* - fail
*
* The first part of the object path has to be a variable in the
* TemplateVariableContainer.
*
* @return object The evaluated object, can be any object type.
* @author Sebastian Kurfürst <*****@*****.**>
* @author Bastian Waidelich <*****@*****.**>
* @todo Depending on the context, either fail or not!!!
*/
public function evaluate()
{
$objectPathParts = explode('.', $this->objectPath);
$variableName = array_shift($objectPathParts);
if (!$this->renderingContext->getTemplateVariableContainer()->exists($variableName)) {
return NULL;
}
$currentObject = $this->renderingContext->getTemplateVariableContainer()->get($variableName);
if (count($objectPathParts) > 0) {
return Tx_Extbase_Reflection_ObjectAccess::getPropertyPath($currentObject, implode('.', $objectPathParts));
} else {
return $currentObject;
}
}
/**
* Get the variable in $name.
*
* @param string $name
* @return mixed
*/
public function render($name)
{
if (strpos($name, '.') === FALSE) {
if ($this->templateVariableContainer->exists($name) === TRUE) {
return $this->templateVariableContainer->get($name);
}
} else {
$segments = explode('.', $name);
$templateVariableRootName = array_shift($segments);
if ($this->templateVariableContainer->exists($templateVariableRootName)) {
$templateVariableRoot = $this->templateVariableContainer->get($templateVariableRootName);
try {
return Tx_Extbase_Reflection_ObjectAccess::getPropertyPath($templateVariableRoot, implode('.', $segments));
} catch (Exception $e) {
return NULL;
}
}
}
return NULL;
}
/**
* Get the current property of the object bound to this form.
*
* @return mixed Value
* @author Bastian Waidelich <*****@*****.**>
*/
protected function getPropertyValue()
{
$formObject = $this->viewHelperVariableContainer->get('Tx_Fluid_ViewHelpers_FormViewHelper', 'formObject');
$propertyName = $this->arguments['property'];
if (is_array($formObject)) {
return isset($formObject[$propertyName]) ? $formObject[$propertyName] : NULL;
}
return Tx_Extbase_Reflection_ObjectAccess::getPropertyPath($formObject, $propertyName);
}
/**
* @test
*/
public function getPropertyPathReturnsNullForNonExistingPropertyPath()
{
$alternativeObject = new Tx_Extbase_Tests_Unit_Reflection_Fixture_DummyClassWithGettersAndSetters();
$alternativeObject->setProperty(new stdClass());
$this->dummyObject->setProperty2($alternativeObject);
$this->assertNull(Tx_Extbase_Reflection_ObjectAccess::getPropertyPath($this->dummyObject, 'property2.property.not.existing'));
}
/**
* Returns the settings at path $path, which is separated by ".",
* e.g. "pages.uid".
* "pages.uid" would return $this->settings['pages']['uid'].
*
* If the path is invalid or no entry is found, false is returned.
*
* @param string $path
* @return mixed
*/
public function getByPath($path)
{
return Tx_Extbase_Reflection_ObjectAccess::getPropertyPath($this->getSettings(), $path);
}
