Viewing file:  class.component.php (2.86 KB) -rw-rw-rw-
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<?php
if (!defined('POPE_VERSION')) { die('Use autoload.php'); }
/**
* Pope is a component-based framework. All classes should inherit this class.
*/
class C_Component extends ExtensibleObject
{
/**
* @var string
*/
var $context;
var $adapted = FALSE;
/**
* Many components will execute parent::define()
*/
function define($context=FALSE)
{
$this->context = is_null($context) ? FALSE : $context;
$this->implement('I_Component');
}
// Initializes the state of the object
function initialize()
{
$this->get_registry()->apply_adapters($this);
$this->adapted = TRUE;
register_shutdown_function(array(&$this, 'update_cache'));
$this->_method_map_cache = (array)C_Pope_Cache::get(
array($this->context, $this->_mixin_priorities, $this->_disabled_map),
$this->_method_map_cache
);
}
// Updates the cache for this component
function update_cache()
{
C_Pope_Cache::set(array($this->context, $this->_mixin_priorities, $this->_disabled_map), $this->_method_map_cache);
}
/**
* Determines if the component has one or more particular contexts assigned
* @param string|array $context
* @return boolean
*/
function has_context($context)
{
$retval = TRUE;
$current_context = is_array($this->context) ? $this->context : array($this->context);
if (!is_array($context)) $context = array($context);
foreach ($context as $c) {
if (!in_array($c, $current_context)) {
$retval = FALSE;
break;
}
}
return $retval;
}
/**
* Assigns a particular context to the component
* @param type $context
*/
function add_context($context)
{
if (!is_array($context)) $context = array($context);
if (!is_array($this->context)) $this->context = array($this->context);
foreach ($context as $c) {
if (in_array($c, $this->context)) continue;
else $context[] = $c;
}
}
/**
* Assigns one or more contexts to the component
* @param type $context
*/
function assign_context($context)
{
$this->add_context($context);
}
/**
* Un-assigns one or more contexts from the component
* @param type $context
*/
function remove_context($context)
{
if (!is_array($context)) $context = array($context);
if (!is_array($this->context)) $this->context = array($this->context);
foreach ($context as $c) {
if (($index = array_search($c, $this->context)) !== FALSE) {
unset($this->context[$index]);
}
}
}
/**
* Assigns one or more contexts to the component
* @param type $context
*/
function unassign_context($context)
{
$this->remove_context($context);
}
/**
* Gets the component registry
* @return C_Component_Registry
*/
function get_registry()
{
return C_Component_Registry::get_instance();
}
/**
* Gets the component registry -- backward compatibility
* @return C_Component_Registry
*/
function _get_registry()
{
return C_Component_Registry::get_instance();
}
}
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