/**
*/
public function load_field_options()
{
// file extension is required
if (strlen($this->file_extension)) {
// check file directory
if ($this->file_directory) {
// locate it
$path = ICE_Scheme::instance()->locate_file($this->file_directory);
// find it?
if ($path) {
// found the path, list files with extension
$images = ICE_Files::list_filtered($path, sprintf('/\\.%s$/', $this->file_extension), true);
// find any images?
if (count($images)) {
// options to return
$field_options = array();
// format the array
foreach ($images as $key => $value) {
// clean up key
$key = str_replace('.', '-', $key);
// value is absolute URL
$field_options[$key] = ICE_Files::theme_file_to_url($value);
}
// all done, return them
return $field_options;
} else {
throw new Exception(sprintf('No images found with the ".%s" extension', $this->file_extension));
}
} else {
throw new Exception(sprintf('Unable to locate the "%s" path', $this->file_directory));
}
} else {
throw new Exception('No file directory has been set');
}
} else {
throw new Exception('No file extension has been set');
}
}
/**
* Return the file path for a given page
*
* @param string $page
* @return string
*/
private function find_page_file($page)
{
// valid formats
$formats = join('|', array(self::MARKUP_HTML, self::MARKUP_MARKDOWN, self::MARKUP_MARKDOWN_LONG, self::MARKUP_TEXTILE, self::MARKUP_TEXTILE_LONG));
// loop through all doc dirs looking for doc page
foreach ($this->doc_dirs as $doc_dir) {
try {
// list all files in current dir that match page
$files = ICE_Files::list_filtered($doc_dir, sprintf('/^%s\\.(%s)$/', $page, $formats), true);
} catch (ICE_Files_Exception $e) {
// ignore file errors
continue;
}
// get any files?
if (count($files)) {
// return the first one
return array_shift($files);
}
}
// no doc page found
throw new Exception(sprintf('A file for the doc page "%s" does not exist in any of the configured directories', $page));
}
