/**
* Sync function. Entry point for the Backbone.js requests.
* All Backbone JSON requests are routed here.
* This function performs inside routing depending on the request.
*
* @return JControllerLegacy A JControllerLegacy object to support chaining.
*/
public function sync()
{
$user = JFactory::getUser();
if ($this->resourceType != 'comments' && $user->guest) {
K2Response::throwError(JText::_('K2_YOU_ARE_NOT_AUTHORIZED_TO_PERFORM_THIS_OPERATION'), 403);
}
// Get the HTTP request method
$method = $this->input->getMethod();
// GET requests ( list or form rendering )
if ($method == 'GET') {
$id = $this->input->get('id', null, 'int');
$id === null ? $this->read('collection') : $this->read('row', $id);
// For GET request we want to render the whole page, so send back the whole response
$response = K2Response::getResponse();
$response->method = $method;
echo json_encode($response);
} else {
if ($method == 'POST') {
// Get BackboneJS method variable
$this->_method = $this->input->get('_method', '', 'cmd');
// Execute the task based on the Backbone method
switch ($this->_method) {
case 'POST':
$this->create();
break;
case 'PUT':
$this->update();
break;
case 'PATCH':
$this->patch();
break;
case 'DELETE':
$this->delete();
break;
}
// For actions we only send back the status the row (if any) and the errors
$response = new stdClass();
$response->row = K2Response::getRow();
$response->status = K2Response::getStatus();
$response->messages = JFactory::getApplication()->getMessageQueue();
$response->method = $method;
echo json_encode($response);
}
}
// Return
return $this;
}
/**
* Loads the XML form and pass the fields to the response.
* Usually there would be no need to override this method.
*
* @return void
*/
protected function setForm()
{
// Get the row
$row = K2Response::getRow();
// Initialize form object
$_form = new stdClass();
// Get the dispatcher.
$dispatcher = JDispatcher::getInstance();
// Check if form file exists
jimport('joomla.filesystem.file');
if (JFile::exists(JPATH_ADMINISTRATOR . '/components/com_k2/models/' . $this->getName() . '.xml')) {
// Import JForm
jimport('joomla.form.form');
// Determine form name and path
$formName = 'K2' . ucfirst($this->getName()) . 'Form';
$formPath = JPATH_ADMINISTRATOR . '/components/com_k2/models/' . $this->getName() . '.xml';
// Convert JRegistry instances to plain object so JForm can bind them
if (property_exists($row, 'metadata')) {
$row->metadata = $row->metadata->toObject();
}
if (property_exists($row, 'params')) {
$row->params = $row->params->toObject();
}
if (property_exists($row, 'plugins')) {
$row->plugins = $row->plugins->toObject();
}
// Get the form instance
$form = JForm::getInstance($formName, $formPath);
// Bind values
$form->bind($row);
// Import plugins to extend the form
JPluginHelper::importPlugin('content');
// Trigger the form preparation event
$results = $dispatcher->trigger('onContentPrepareForm', array($form, $row));
// Pass the JForm to the model before attaching the fields
$this->prepareJForm($form, $row);
// Attach the JForm fields to the form
foreach ($form->getFieldsets() as $fieldset) {
$array = array();
foreach ($form->getFieldset($fieldset->name) as $field) {
$tmp = new stdClass();
$tmp->label = $field->label;
$tmp->input = $field->input;
$tmp->type = $field->type;
$array[$field->name] = $tmp;
}
$name = $fieldset->name;
$_form->{$name} = $array;
}
}
// Extend the form with K2 plugins
$_form->k2Plugins = array();
JPluginHelper::importPlugin('k2');
$dispatcher->trigger('onK2RenderAdminForm', array(&$_form, $row, $this->getName()));
$this->setFormFields($_form, $row);
K2Response::setForm($_form);
}
