/**
* Method to get the field options.
*
* @return array The field option objects.
*/
protected function getOptions($forceReset = false)
{
static $loadedOptions = array();
$myFormKey = $this->form->getName();
if ($forceReset && isset($loadedOptions[$myFormKey])) {
unset($loadedOptions[$myFormKey]);
}
if (!isset($loadedOptions[$myFormKey])) {
$options = array();
// Initialize some field attributes.
$key = $this->element['key_field'] ? (string) $this->element['key_field'] : 'value';
$value = $this->element['value_field'] ? (string) $this->element['value_field'] : (string) $this->element['name'];
$translate = $this->element['translate'] ? (string) $this->element['translate'] : false;
$applyAccess = $this->element['apply_access'] ? (string) $this->element['apply_access'] : 'false';
$modelName = (string) $this->element['model'];
$nonePlaceholder = (string) $this->element['none'];
if (!empty($nonePlaceholder)) {
$options[] = JHtml::_('select.option', null, JText::_($nonePlaceholder));
}
// Process field atrtibutes
$applyAccess = strtolower($applyAccess);
$applyAccess = in_array($applyAccess, array('yes', 'on', 'true', '1'));
// Explode model name into component name and prefix
$componentName = $this->form->getContainer()->componentName;
$mName = $modelName;
if (strpos($modelName, '.') !== false) {
list($componentName, $mName) = explode('.', $mName, 2);
}
// Get the applicable container
$container = $this->form->getContainer();
if ($componentName != $container->componentName) {
$container = Container::getInstance($componentName);
}
/** @var DataModel $model */
$model = $container->factory->model($mName)->setIgnoreRequest(true)->savestate(false);
// Get the model object
if ($applyAccess) {
$model->applyAccessFiltering();
}
// Process state variables
/** @var \SimpleXMLElement $stateoption */
foreach ($this->element->children() as $stateoption) {
// Only add <option /> elements.
if ($stateoption->getName() != 'state') {
continue;
}
$stateKey = (string) $stateoption['key'];
$stateValue = (string) $stateoption;
$model->setState($stateKey, $stateValue);
}
// Set the query and get the result list.
$items = $model->get(true);
// Build the field options.
if (!empty($items)) {
foreach ($items as $item) {
if ($translate == true) {
$options[] = JHtml::_('select.option', $item->{$key}, JText::_($item->{$value}));
} else {
$options[] = JHtml::_('select.option', $item->{$key}, $item->{$value});
}
}
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
$loadedOptions[$myFormKey] = $options;
}
return $loadedOptions[$myFormKey];
}
