/**
* Display function
*/
public function display($tpl = null)
{
$this->state = $this->get('State');
$this->item = $this->get('Item');
$this->form = $this->get('Form');
if (count($errors = $this->get('Errors'))) {
JError::raiseError(500, implode("\n", $errors));
return false;
}
$results = EnglishConceptHelper::getUsageOption($this->item->id);
if (count($results) > 0) {
if (is_null($this->item->id)) {
// Usage new
$options = '';
foreach ($results as $result) {
$options .= '<option value="' . $result->lesson_id . '">' . $result->diffspecial_no . '</option>';
}
$this->options = $options;
} else {
// Usage already have reference
if (!empty($results[0]->diffspecial_ref)) {
$dsArr = explode(',', $results[0]->diffspecial_ref);
$options = '';
foreach ($dsArr as $ds) {
$options .= '<option selected="selected" value="' . $ds . '">DS.' . $ds . '</option>';
}
} else {
$results = EnglishConceptHelper::getUsageOption();
$options = '';
foreach ($results as $result) {
$options .= '<option value="' . $result->lesson_id . '">' . $result->diffspecial_no . '</option>';
}
}
$this->options = $options;
}
} else {
$this->options = '<option></option>';
}
// Set the tool bar
$this->addToolbar();
// Display the template
parent::display($tpl);
// Set the documents
$this->setDocument();
}
