/**
* Method to get a form object.
*
* @param string $name The name of the form.
* @param string $source The form filename (e.g. form.browse)
* @param array $options Optional array of options for the form creation.
* @param boolean $clear Optional argument to force load a new form.
* @param bool|string $xpath An optional xpath to search for the fields.
*
* @return mixed F0FForm object on success, False on error.
*
* @throws Exception
*
* @see F0FForm
* @since 2.0
*/
protected function loadForm($name, $source, $options = array(), $clear = false, $xpath = 'config')
{
if (empty($this->_element)) {
return parent::loadForm($name, $source, $options, $clear, $xpath);
}
// Handle the optional arguments.
$options['control'] = isset($options['control']) ? $options['control'] : false;
// Create a signature hash.
$hash = md5($source . serialize($options));
// Check if we can use a previously loaded form.
if (isset($this->_forms[$hash]) && !$clear) {
return $this->_forms[$hash];
}
// Try to find the name and path of the form to load
$paths = array();
$paths[] = JPATH_SITE . '/plugins/j2store/' . $this->_element;
$name = $this->_element;
$source = $this->_element;
$formFilename = $this->findFormFilename($source, $paths);
// No form found? Quit!
if ($formFilename === false) {
return false;
}
// Set up the form name and path
$source = basename($formFilename, '.xml');
F0FForm::addFormPath(dirname($formFilename));
// Set up field paths
$option = $this->input->getCmd('option', 'com_foobar');
$componentPaths = F0FPlatform::getInstance()->getComponentBaseDirs($option);
$view = $this->name;
$file_root = $componentPaths['main'];
$alt_file_root = $componentPaths['alt'];
F0FForm::addFieldPath($file_root . '/fields');
F0FForm::addFieldPath($file_root . '/models/fields');
F0FForm::addFieldPath($alt_file_root . '/fields');
F0FForm::addFieldPath($alt_file_root . '/models/fields');
F0FForm::addHeaderPath($file_root . '/fields/header');
F0FForm::addHeaderPath($file_root . '/models/fields/header');
F0FForm::addHeaderPath($alt_file_root . '/fields/header');
F0FForm::addHeaderPath($alt_file_root . '/models/fields/header');
// Get the form.
try {
$form = F0FForm::getInstance($name, $source, $options, false, $xpath);
if (isset($options['load_data']) && $options['load_data']) {
// Get the data for the form.
$data = $this->loadFormData();
} else {
$data = array();
}
// Allows data and form manipulation before preprocessing the form
$this->onBeforePreprocessForm($form, $data);
// Allow for additional modification of the form, and events to be triggered.
// We pass the data because plugins may require it.
$this->preprocessForm($form, $data);
// Allows data and form manipulation After preprocessing the form
$this->onAfterPreprocessForm($form, $data);
// Load the data into the form after the plugins have operated.
$form->bind($data);
} catch (Exception $e) {
// The above try-catch statement will catch EVERYTHING, even PhpUnit exceptions while testing
if (stripos(get_class($e), 'phpunit') !== false) {
throw $e;
} else {
$this->setError($e->getMessage());
return false;
}
}
// Store the form for later.
$this->_forms[$hash] = $form;
return $form;
}
