settings_sections = $sections; return $this; } /** * Add a single section * * @param array $section */ function add_section( $section ) { $this->settings_sections[] = $section; return $this; } /** * Set settings fields * * @param array $fields settings fields array */ function set_fields( $fields ) { $this->settings_fields = $fields; return $this; } function add_field( $section, $field ) { $defaults = array( 'name' => '', 'label' => '', 'desc' => '', 'type' => 'text' ); $arg = wp_parse_args( $field, $defaults ); $this->settings_fields[$section][] = $arg; return $this; } /** * Initialize and registers the settings sections and fileds to WordPress * * Usually this should be called at `admin_init` hook. * * This function gets the initiated settings sections and fields. Then * registers them to WordPress and ready for use. */ function admin_init() { //register settings sections foreach ( $this->settings_sections as $section ) { if ( false == get_option( $section['id'] ) ) { add_option( $section['id'] ); } if ( isset($section['desc']) && !empty($section['desc']) ) { $section['desc'] = '
Text
' ); echo $html; } /** * Displays a text field for a settings field * * @param array $args settings field args */ function callback_text( $args ) { $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ); $size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular'; $html = sprintf( '', $size, $args['section'], $args['id'], $value ); $html .= sprintf( ' %s', $args['desc'] ); echo $html; } /** * Displays a checkbox for a settings field * * @param array $args settings field args */ function callback_checkbox( $args ) { $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ); $html = sprintf( '', $args['section'], $args['id'] ); $html .= sprintf( '', $args['section'], $args['id'], $value, checked( $value, 'on', false ) ); $html .= sprintf( '', $args['section'], $args['id'], $args['desc'] ); echo $html; } /** * Displays a multicheckbox a settings field * * @param array $args settings field args */ function callback_multicheck( $args ) { $value = $this->get_option( $args['id'], $args['section'], $args['std'] ); $html = ''; foreach ( $args['options'] as $key => $label ) { $checked = isset( $value[$key] ) ? $value[$key] : '0'; $html .= sprintf( '', $args['section'], $args['id'], $key, checked( $checked, $key, false ) ); $html .= sprintf( '%s
', $args['desc'] ) . PHP_EOL; } echo $html; } /** * Displays a password field for a settings field * * @param array $args settings field args */ function callback_password( $args ) { $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ); $size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular'; $html = sprintf( '', $size, $args['section'], $args['id'], $value ); $html .= sprintf( ' %s', $args['desc'] ); echo $html; } /** * Displays a color picker field for a settings field * * @param array $args settings field args */ function callback_color( $args ) { $value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ); $size = isset( $args['size'] ) && !is_null( $args['size'] ) ? $args['size'] : 'regular'; $html = sprintf( '', $size, $args['section'], $args['id'], $value, $args['std'] ); $html .= sprintf( ' %s', $args['desc'] ); echo $html; } /** * Sanitize callback for Settings API */ function sanitize_options( $options ) { foreach( $options as $option_slug => $option_value ) { $sanitize_callback = $this->get_sanitize_callback( $option_slug ); // If callback is set, call it if ( $sanitize_callback ) { $options[ $option_slug ] = call_user_func( $sanitize_callback, $option_value ); continue; } // Treat everything that's not an array as a string if ( !is_array( $option_value ) ) { $options[ $option_slug ] = sanitize_text_field( $option_value ); continue; } } return $options; } /** * Get sanitization callback for given option slug * * @param string $slug option slug * * @return mixed string or bool false */ function get_sanitize_callback( $slug = '' ) { if ( empty( $slug ) ) return false; // Iterate over registered fields and see if we can find proper callback foreach( $this->settings_fields as $section => $options ) { foreach ( $options as $option ) { if ( $option['name'] != $slug ) continue; // Return the callback name return isset( $option['sanitize_callback'] ) && is_callable( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : false; } } return false; } /** * Get the value of a settings field * * @param string $option settings field name * @param string $section the section name this field belongs to * @param string $default default text if it's not found * @return string */ function get_option( $option, $section, $default = '' ) { $options = get_option( $section ); if ( isset( $options[$option] ) ) { return $options[$option]; } return $default; } /** * Show navigations as tab * * Shows all the settings section labels as tab */ function show_navigation() { $html = '