/**
* our init method, checks for an existing instance,
* this means we can refer to our instances from anywhere without globals
*
* @param init_array array the array of input items
*
* @author Paul Whitehead
* @return object
*/
public static function init(array $init_array)
{
//make sure we have a form ID provided
if (!isset($init_array['id'])) {
throw new MeagrException('Form ID must be provided');
}
//check for an existing instance
if (!isset(self::$instance[$init_array['id']])) {
self::$instance[$init_array['id']] = new self($init_array);
\Meagr\Debug::init('log')->add(array('message' => 'Create new form instance: ' . $init_array['id'], 'class' => __METHOD__, 'status' => 'success', 'backtrace' => Debug::backtrace()));
}
//return our instance, new or old
return self::$instance[$init_array['id']];
}
/**
* write the file from the options previously set
*
* @param filename string The filepath to save the image to, if different from the default
* @param options array Additional options that will be merged with the defaults
*
* @return object
*/
function save($filename = null, $options = array())
{
//are we using the cached image
if ($this->use_cache) {
return Cache::pathToUri($this->save_filename);
}
//merge our options with those passed to the function
if (!empty($options)) {
$this->options = $options + $this->options;
}
//check if we have a filename specified
if (!is_null($filename)) {
$this->save_filename = $filename;
}
//if we are creating a thumbnail, 'apply' and return
if ($this->is_thumb) {
$this->transform->apply($this->imagine->open($this->filename));
return Cache::pathToUri($this->thumb_filename);
}
try {
//save our image and return the location of the image
$this->image->save($this->save_filename, $this->options);
} catch (Exception $e) {
\Meagr\Debug::init('log')->add(array('message' => $e->getMessage(), 'class' => __METHOD__, 'status' => 'error', 'backtrace' => Debug::backtrace()));
}
return Cache::pathToUri($this->save_filename);
}
