FOF30\Form\Header\Model::getOptions PHP Method

    protected function getOptions()
    {
        $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'];
        $applyAccess = $this->element['apply_access'] ? (string) $this->element['apply_access'] : 'false';
        $modelName = (string) $this->element['model'];
        $nonePlaceholder = (string) $this->element['none'];
        $translate = empty($this->element['translate']) ? 'true' : (string) $this->element['translate'];
        $translate = in_array(strtolower($translate), array('true', 'yes', '1', 'on')) ? true : false;
        $with = $this->element['with'] ? (string) $this->element['with'] : null;
        if (!is_null($with)) {
            $with = trim($with);
            $with = explode(',', $with);
            $with = array_map('trim', $with);
        }
        if (!empty($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);
        if ($applyAccess) {
            $model->applyAccessFiltering();
        }
        if (!is_null($with)) {
            $model->with($with);
        }
        // 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);
        return $options;
    }