value)) {
return $images;
}
$images = explode(',', $this->value);
return $images;
}
/**
* Returns an array that holds the field data, suitable for JSON representation.
* This data will be available in the Underscore template and the Backbone Model.
*
* @since 0.8
* @param bool $load Should the value be loaded from the database or use the value from the current instance.
* @return array
*/
public function to_json($load)
{
$field_data = parent::to_json($load);
$images = array();
$image_values = $this->get_images();
if(!empty($image_values)) {
foreach ($image_values as $image_value) {
$image_url = is_numeric($image_value) ? wp_get_attachment_url($image_value) : $image_value;
$file_type = wp_check_filetype($image_url);
$file_type = preg_replace( '~\/.+$~', '', $file_type['type']); // image, video, etc..
if ($file_type == 'image') {
if ($this->value_type == 'id') {
$image_src = wp_get_attachment_image_src($image_value, 'thumbnail');
$image_url = $image_src[0];
}
$images[] = array(
'value' => $image_value,
'url' => $image_url,
);
}
}
}
$field_data = wp_parse_args(array(
'images' => $images,
'button_label' => $this->button_label,
'window_button_label' => $this->window_button_label,
'window_label' => $this->window_label,
'type_filter' => $this->field_type,
'value_type' => $this->value_type,
'value' => $this->value,
), $field_data);
return $field_data;
}
/**
* Underscore template of the image gallery section.
*
* @since 0.8
*/
public function template()
{
?>
{{{ button_label }}}
{{{ description }}}
<# _.each(images, function(image) { #>
-
<# }); #>