/**
* Converts a $mixed value to an array of pages
*
* @param mixed $mixed mixed value to get page(s) from
* @param bool $recursive whether $value should be looped
* if it is an array or a config
* @return IfwPsn_Vendor_Zend_Navigation_Page|array|null empty if unable to convert
*/
protected function _convertToPages($mixed, $recursive = true)
{
if (is_object($mixed)) {
if ($mixed instanceof IfwPsn_Vendor_Zend_Navigation_Page) {
// value is a page instance; return directly
return $mixed;
} elseif ($mixed instanceof IfwPsn_Vendor_Zend_Navigation_Container) {
// value is a container; return pages in it
$pages = array();
foreach ($mixed as $page) {
$pages[] = $page;
}
return $pages;
} elseif ($mixed instanceof IfwPsn_Vendor_Zend_Config) {
// convert config object to array and extract
return $this->_convertToPages($mixed->toArray(), $recursive);
}
} elseif (is_string($mixed)) {
// value is a string; make an URI page
return IfwPsn_Vendor_Zend_Navigation_Page::factory(array('type' => 'uri', 'uri' => $mixed));
} elseif (is_array($mixed) && !empty($mixed)) {
if ($recursive && is_numeric(key($mixed))) {
// first key is numeric; assume several pages
$pages = array();
foreach ($mixed as $value) {
if ($value = $this->_convertToPages($value, false)) {
$pages[] = $value;
}
}
return $pages;
} else {
// pass array to factory directly
try {
$page = IfwPsn_Vendor_Zend_Navigation_Page::factory($mixed);
return $page;
} catch (Exception $e) {
}
}
}
// nothing found
return null;
}
/**
* Adds a page to the container
*
* This method will inject the container as the given page's parent by
* calling {@link IfwPsn_Vendor_Zend_Navigation_Page::setParent()}.
*
* @param IfwPsn_Vendor_Zend_Navigation_Page|array|IfwPsn_Vendor_Zend_Config $page page to add
* @return IfwPsn_Vendor_Zend_Navigation_Container fluent interface,
* returns self
* @throws IfwPsn_Vendor_Zend_Navigation_Exception if page is invalid
*/
public function addPage($page)
{
if ($page === $this) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Navigation/Exception.php';
throw new IfwPsn_Vendor_Zend_Navigation_Exception('A page cannot have itself as a parent');
}
if (is_array($page) || $page instanceof IfwPsn_Vendor_Zend_Config) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Navigation/Page.php';
$page = IfwPsn_Vendor_Zend_Navigation_Page::factory($page);
} elseif (!$page instanceof IfwPsn_Vendor_Zend_Navigation_Page) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Navigation/Exception.php';
throw new IfwPsn_Vendor_Zend_Navigation_Exception('Invalid argument: $page must be an instance of ' . 'IfwPsn_Vendor_Zend_Navigation_Page or IfwPsn_Vendor_Zend_Config, or an array');
}
$hash = $page->hashCode();
if (array_key_exists($hash, $this->_index)) {
// page is already in container
return $this;
}
// adds page to container and sets dirty flag
$this->_pages[$hash] = $page;
$this->_index[$hash] = $page->getOrder();
$this->_dirtyIndex = true;
// inject self as page parent
$page->setParent($this);
return $this;
}
