/**
* function getViewer, used to call the appropriate viewer for the selected media type ($media_data['type'])
*
* @param array $media_data - associative array, at least with defined keys 'type' and 'path'
* @param array $user_data - associative array, at least with a defined key 'level'
* @param array $node_data - associative array, at least with a defined key 'level'
* @param array $VIEWING_PREFERENCES
* @return string
*/
public function getViewer($media_data = array())
{
$media_type = isset($media_data[1]) ? $media_data[1] : null;
if (isset($media_data['type'])) {
$media_type = $media_data['type'];
}
$media_value = isset($media_data[2]) ? $media_data[2] : null;
if (isset($media_data['value'])) {
$media_value = $media_data['value'];
}
$media_title = null;
if (isset($media_data['title']) && !is_null($media_data['title'])) {
$media_title = $media_data['title'];
}
$media_width = null;
if (isset($media_data['width']) && !is_null($media_data['width'])) {
$media_width = $media_data['width'];
}
$media_height = null;
if (isset($media_data['height']) && !is_null($media_data['height'])) {
$media_height = $media_data['height'];
}
/**
* @author giorgio 23/apr/2013
*
* modified: now each 'if' body outputs to a variable instead of returning immediately.
* string is wrapped around a <div> element with proper class for css styling just before returning.
*
*/
/* @var $return string */
$return = '';
if ($media_type === _IMAGE || $media_type === _MONTESSORI) {
$return = ImageViewer::view($this->media_path, $media_value, $this->viewing_preferences[_IMAGE], $media_title, $media_width, $media_height);
} else {
if ($media_type === _SOUND || $media_type === _PRONOUNCE) {
$return = AudioPlayer::view($this->media_path, $media_value, $this->viewing_preferences[_SOUND], $media_title);
} else {
if ($media_type === _VIDEO || $media_type === _LABIALE || $media_type === _FINGER_SPELLING) {
$return = VideoPlayer::view($this->media_path, $media_value, $this->viewing_preferences[_VIDEO], $media_title, $media_width, $media_height);
} else {
if ($media_type === _LIS && isset($_SESSION['mode']) && $_SESSION['mode'] == 'LIS') {
$return = VideoPlayer::view($this->media_path, $media_value, $this->viewing_preferences[_VIDEO], $media_title, $media_width, $media_height);
} else {
if ($media_type === _DOC) {
$return = DocumentViewer::view($this->media_path, $media_value, $this->viewing_preferences[_DOC]);
} else {
if ($media_type === _LINK) {
$return = ExternalLinkViewer::view($this->media_path, $media_value, $this->viewing_preferences[_LINK]);
} else {
$return = '';
}
}
}
}
}
}
/**
* @author giorgio 23/apr/2013
*
* array to hold proper css classes
*/
$cssArray = array(_IMAGE => 'image', _MONTESSORI => 'montessori', _SOUND => 'sound', _PRONOUNCE => 'pronounce', _VIDEO => 'video', _LABIALE => 'labiale', _LIS => 'lis', _FINGER_SPELLING => 'finger-spelling', _DOC => 'doc', _LINK => 'link');
/**
* @author giorgio 23/apr/2013
*
* wrap $return around a div and return as promised
*/
if ($return !== '') {
$return = "<div class='media " . $cssArray[$media_type] . "'>" . $return . "</div>";
}
return $return;
}
