/**
* Internally, the factory uses a {@link __ComponentSpec} instance to create a component.
*
* @param __ComponentSpec $component_spec The component spec
* @return __IComponent
*/
private function &_doCreateComponent(__ComponentSpec $component_spec, $component_index = null)
{
$component_class = $component_spec->getClass();
//create an empty component
$return_value = new $component_class();
//setup component identifiers
$return_value->setId($this->_resolveComponentId($component_spec, $component_index));
$return_value->setName($component_spec->getName());
$return_value->setIndex($component_index);
//setup component properties
$default_values = $component_spec->getDefaultValues();
foreach ($default_values as $property_name => $property_value) {
$return_value->{$property_name} = $property_value;
}
$component_interface_spec = $component_spec->getComponentInterfaceSpec();
if ($component_interface_spec != null) {
if ($return_value instanceof __ICompositeComponent) {
$return_value->setComponentInterfaceSpec($component_interface_spec);
} else {
throw __ExceptionFactory::getInstance()->createException('Can not set a component interface spec to a non-composite component:' . $component_spec->getName());
}
}
//return the component:
return $return_value;
}
protected function _getComponentEndTagCode(__ComponentSpec &$component_spec)
{
$return_value = "<?php\n";
$return_value .= '$component_render_' . $this->_view_code . '->markComponentEndTag($component_specs_' . $this->_view_code . '["' . $component_spec->getId() . '"]);' . "\n";
$return_value .= "?>";
return $return_value;
}
public function &createComponentSpec($tag_name)
{
$return_value = null;
$tag_name = strtolower($tag_name);
if (key_exists($tag_name, $this->_component_tags)) {
$component_tag = $this->_component_tags[$tag_name];
$component_class = $component_tag->getComponentClass();
$component_writer_class = $component_tag->getComponentWriterClass($this->_client);
$component_writer_decorators_classes = $component_tag->getComponentWriterDecoratorClasses($this->_client);
$return_value = new __ComponentSpec($tag_name, $component_class);
if ($component_writer_class != null) {
$component_writer = new $component_writer_class();
foreach ($component_writer_decorators_classes as $component_writer_decorators_class) {
$component_decorator = new $component_writer_decorators_class($component_writer);
$component_writer = $component_decorator;
unset($component_decorator);
}
$view_definition = $component_tag->getViewDefinition($this->_client);
if ($view_definition != null) {
if ($component_writer instanceof __ICompositeWriter) {
$component_writer->setViewDefinition($view_definition);
} else {
throw __ExceptionFactory::getInstance()->createException('Class ' . $component_writer_class . ' must implement __ICompositeWriter in order to have a view assigned to.');
}
}
$return_value->setWriter($component_writer);
}
$component_interface_spec = $component_tag->getComponentInterfaceSpec();
if ($component_interface_spec != null) {
$return_value->setComponentInterfaceSpec($component_interface_spec);
}
} else {
throw __ExceptionFactory::getInstance()->createException('ERR_UNKNOW_UI_COMPONENT_TAG', array($tag_name));
}
return $return_value;
}
protected function &_wakeupComponent(__ComponentSpec $component_spec)
{
$component_name = $component_spec->getName();
if ($component_spec->isArray()) {
$component_index = $this->_getNextIndex($component_name);
} else {
$component_index = null;
}
//if the component exists, will get it from the component handler
if ($this->_component_handler->hasComponent($component_name, $component_index)) {
$component = $this->_component_handler->getComponent($component_name, $component_index);
} else {
$component = $this->_createComponent($component_spec, $component_index);
$this->_created_components[$component->getId()] = true;
}
return $component;
}
protected function _registerComponentSpec(__ComponentSpec &$component_spec)
{
if ($this->_properties_stack->count() == 0 && $this->_component_specs_stack->count() > 0) {
$current_component_spec = $this->_component_specs_stack->peek();
$current_component_class = $current_component_spec->getClass();
if (!is_subclass_of($current_component_class, '__IContainer')) {
throw __ExceptionFactory::getInstance()->createException('ERR_UI_COMPONENT_IS_NOT_CONTAINER', array($current_component_spec->getTag(), $component_spec->getTag()));
}
}
$this->_component_specs[$component_spec->getId()] =& $component_spec;
}
