Check if a template exists
| public static existsTemplate ( integer $id ) : boolean | ||
| $id | integer | The Id of the template to check for existence. |
| return | boolean | |
/**
* Execute the action
*/
public function execute()
{
// get parameters
$this->id = $this->getParameter('id', 'int');
// does the item exist
if ($this->id !== null && BackendExtensionsModel::existsTemplate($this->id)) {
// call parent, this will probably add some general CSS/JS or other required files
parent::execute();
// init var
$success = false;
// get template (we need the title)
$item = BackendExtensionsModel::getTemplate($this->id);
// valid template?
if (!empty($item)) {
// delete the page
$success = BackendExtensionsModel::deleteTemplate($this->id);
// trigger event
BackendModel::triggerEvent($this->getModule(), 'after_delete_template', array('id' => $this->id));
}
// page is deleted, so redirect to the overview
if ($success) {
$this->redirect(BackendModel::createURLForAction('ThemeTemplates') . '&theme=' . $item['theme'] . '&report=deleted-template&var=' . urlencode($item['label']));
} else {
$this->redirect(BackendModel::createURLForAction('ThemeTemplates') . '&error=non-existing');
}
} else {
// something went wrong
$this->redirect(BackendModel::createURLForAction('ThemeTemplates') . '&error=non-existing');
}
}
/**
* Load the record
*/
private function loadData()
{
// get record
$this->id = $this->getParameter('id', 'int');
// validate id
if ($this->id === null || !BackendExtensionsModel::existsTemplate($this->id)) {
$this->redirect(BackendModel::createURLForAction('ThemeTemplates') . '&error=non-existing');
}
// get the record
$this->record = BackendExtensionsModel::getTemplate($this->id);
// unserialize
$this->record['data'] = unserialize($this->record['data']);
$this->names = $this->record['data']['names'];
if (isset($this->record['data']['default_extras_' . BL::getWorkingLanguage()])) {
$this->extras = $this->record['data']['default_extras_' . BL::getWorkingLanguage()];
} elseif (isset($this->record['data']['default_extras'])) {
$this->extras = $this->record['data']['default_extras'];
}
if (!array_key_exists('image', (array) $this->record['data'])) {
$this->record['data']['image'] = false;
}
// assign
$this->tpl->assign('template', $this->record);
// is the template being used
$inUse = BackendExtensionsModel::isTemplateInUse($this->id);
// determine if deleting is allowed
$deleteAllowed = true;
if ($this->record['id'] == $this->get('fork.settings')->get('Pages', 'default_template')) {
$deleteAllowed = false;
} elseif (count(BackendExtensionsModel::getTemplates()) == 1) {
$deleteAllowed = false;
} elseif ($inUse) {
$deleteAllowed = false;
}
// assign
$this->tpl->assign('inUse', $inUse);
$this->tpl->assign('allowExtensionsDeleteThemeTemplate', $deleteAllowed);
}
