button_label = __( 'Select File', 'carbon-fields' ); $this->window_button_label = __( 'Select File', 'carbon-fields' ); $this->window_label = __( 'Files', 'carbon-fields' ); $this->add_template( $this->get_type() . '-Description', array( $this, 'template_description' ) ); } /** * Change the type of the field * * @param string $type */ public function set_type( $type ) { $this->field_type = $type; return $this; } /** * Change the value type of the field. * * @param string $value_type */ public function set_value_type( $value_type ) { $this->value_type = $value_type; return $this; } /** * 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. * * @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 ); $url = ''; $thumb_url = ''; $default_thumb_url = includes_url( '/images/media/default.png' ); $file_ext = ''; $file_type = ''; $value = $this->get_value(); if ( $value ) { $url = is_numeric( $value ) ? wp_get_attachment_url( $value ) : $value; $filetype = wp_check_filetype( $url ); $file_ext = $filetype['ext']; // png, mp3, etc.. $file_type = preg_replace( '~\/.+$~', '', $filetype['type'] ); // image, video, etc.. if ( $file_type == 'image' ) { $thumb_url = $url; if ( $this->value_type == 'id' ) { $thumb_src = wp_get_attachment_image_src( $value, 'thumbnail' ); $thumb_url = $thumb_src[0]; } } else { $thumb_url = $default_thumb_url; } } $field_data = array_merge( $field_data, array( 'url' => (string) $url, 'thumb_url' => $thumb_url, 'default_thumb_url' => $default_thumb_url, 'file_ext' => $file_ext, 'file_type' => $file_type, '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, ) ); return $field_data; } /** * The main Underscore template of this field **/ public function template() { ?>
{{{ button_label }}}
{{{ description }}}
<# if (value_type === 'id') { #>
{{ url }}
<# } #>