/**
* Load either a create controller or an edit (simple) controller or trigger an error message
*/
private function _load_controller()
{
// Get the configured schemas
$schemadbs = $this->_config->get('schemadbs_folder');
// Check if a custom schema exists
if (array_key_exists($this->_topic->component, $schemadbs)) {
$schemadb = $schemadbs[$this->_topic->component];
} else {
if (!array_key_exists('default', $schemadbs)) {
throw new midcom_error('Configuration error. No default schema for topic has been defined!');
}
$schemadb = $schemadbs['default'];
}
$GLOBALS['midcom_admin_folder_mode'] = $this->_handler_id;
// Create the schema instance
$this->_schemadb = midcom_helper_datamanager2_schema::load_database($schemadb);
switch ($this->_handler_id) {
case 'edit':
$this->_controller = midcom_helper_datamanager2_controller::create('simple');
$this->_controller->schemadb =& $this->_schemadb;
$this->_controller->set_storage($this->_topic);
break;
case 'create':
foreach ($this->_schemadb as $schema) {
if (isset($schema->fields['name'])) {
$schema->fields['name']['required'] = 0;
}
}
$this->_controller = midcom_helper_datamanager2_controller::create('create');
$this->_controller->schemadb =& $this->_schemadb;
$this->_controller->schemaname = 'default';
$this->_controller->callback_object =& $this;
// Suggest to create the same type of a folder as the parent is
$component_suggestion = $this->_topic->component;
//Unless config told us otherwise
if ($this->_config->get('default_component')) {
$component_suggestion = $this->_config->get('default_component');
}
$this->_controller->defaults = array('component' => $component_suggestion);
break;
case 'createlink':
if (!array_key_exists('link', $schemadbs)) {
throw new midcom_error('Configuration error. No link schema for topic has been defined!');
}
$schemadb = $schemadbs['link'];
// Create the schema instance
$this->_schemadb = midcom_helper_datamanager2_schema::load_database($schemadb);
$this->_schemadb->default->fields['name']['required'] = 0;
$this->_controller = midcom_helper_datamanager2_controller::create('create');
$this->_controller->schemadb =& $this->_schemadb;
$this->_controller->schemaname = 'link';
$this->_controller->callback_object =& $this;
break;
default:
throw new midcom_error('Unable to process the request, unknown handler id');
}
if (!$this->_controller->initialize()) {
throw new midcom_error("Failed to initialize a DM2 controller instance for article {$this->_event->id}.");
}
}
/**
* Internal helper, loads the datamanager for the current wikipage. Any error triggers a 500.
*/
private function _load_datamanager()
{
if ($GLOBALS['midcom_config']['enable_ajax_editing']) {
$this->_controller = midcom_helper_datamanager2_controller::create('ajax');
$this->_controller->schemadb =& $this->_request_data['schemadb'];
$this->_controller->set_storage($this->_page);
$this->_controller->process_ajax();
$this->_datamanager =& $this->_controller->datamanager;
} else {
$this->_datamanager = new midcom_helper_datamanager2_datamanager($this->_request_data['schemadb']);
if (!$this->_datamanager->autoset_storage($this->_page)) {
throw new midcom_error("Failed to create a DM2 instance for wiki page {$this->_page->guid}.");
}
}
}
/**
* Load the DM2 edit controller instance
*
* @return boolean Indicating success of DM2 edit controller instance
*/
private function _load_datamanager()
{
$this->_schemadb = midcom_helper_datamanager2_schema::load_database($GLOBALS['midcom_config']['metadata_schema']);
$this->_controller = midcom_helper_datamanager2_controller::create('simple');
$this->_controller->schemadb =& $this->_schemadb;
// Check if we have metadata schema defined in the schemadb specific for the object's schema or component
$object_schema = $this->_object->get_parameter('midcom.helper.datamanager2', 'schema_name');
$component_schema = str_replace('.', '_', midcom_core_context::get()->get_key(MIDCOM_CONTEXT_COMPONENT));
if ($object_schema == '' || !isset($this->_schemadb[$object_schema])) {
if (isset($this->_schemadb[$component_schema])) {
// No specific metadata schema for object, fall back to component-specific metadata schema
$object_schema = $component_schema;
} else {
// No metadata schema for component, fall back to default
$object_schema = 'metadata';
}
}
$this->_controller->set_storage($this->_object, $object_schema);
if (!$this->_controller->initialize()) {
throw new midcom_error("Failed to initialize a DM2 controller instance for article {$this->_article->id}.");
}
}
