/**
* Checks if the template file exists and returns the template namespace
*
* @access private
* @param string $file
* @param string $group
* @param string $element
* @return string
*/
private function checkTemplateFile($file, $group, $element)
{
$checkSubFiles = false;
// If file is null, then we generate it based on the event that is triggered
if (is_null($file) && !empty($this->event)) {
$file = strtolower(substr($this->event, 2));
// We only check sub files if we are trying to display an event based theme file
$checkSubFiles = true;
}
do {
$prefix = 'fields/' . $group . '/' . $element;
$fieldFile = $prefix . '/' . $file;
if ($this->theme->exists($fieldFile)) {
return $fieldFile;
}
$generalFieldFile = $prefix . '/event';
if ($this->theme->exists($generalFieldFile)) {
return $generalFieldFile;
}
if ($checkSubFiles) {
$filecontent = $file;
$subFile = 'site/fields/' . $filecontent;
if ($this->theme->exists($subFile)) {
do {
$subFieldFile = $prefix . '/' . $filecontent . '_content';
if ($this->theme->exists($subFieldFile)) {
$this->theme->set('subNamespace', $subFieldFile);
return $subFile;
}
// If reach here, means no subFieldFile is found, then we fallback
$subFallback = $this->getFallbackTemplate($filecontent);
if ($subFallback !== false) {
$filecontent = $subFallback;
}
} while ($subFallback !== false);
$subFieldContent = $prefix . '/content';
if ($this->theme->exists($subFieldContent)) {
$this->theme->set('subNamespace', $subFieldContent);
return $subFile;
}
}
}
// If we reach here, means no return is executed, then we try to fallback
$fallback = $this->getFallbackTemplate($file);
if ($fallback !== false) {
$file = $fallback;
}
} while ($fallback !== false);
return false;
}
