<?php
if ( ! class_exists( 'Facebook_Social_Plugin_Button_Settings' ) )
require_once( dirname(__FILE__) . '/settings-social-plugin-button.php' );
/**
* Site settings for the Facebook Send Button social plugin
*
* @since 1.1
*/
class Facebook_Send_Button_Settings extends Facebook_Social_Plugin_Button_Settings {
/**
* Setting page identifier.
*
* @since 1.1
*
* @var string
*/
const PAGE_SLUG = 'facebook-send-button';
/**
* Define our option array value.
*
* @since 1.1
*
* @var string
*/
const OPTION_NAME = 'facebook_send_button';
/**
* The hook suffix assigned by add_submenu_page()
*
* @since 1.1
*
* @var string
*/
protected $hook_suffix = '';
/**
* Initialize with an options array.
*
* @since 1.1
*
* @param array $options existing options
*/
public function __construct( $options = array() ) {
if ( is_array( $options ) && ! empty( $options ) )
$this->existing_options = $options;
else
$this->existing_options = array();
}
/**
* Reference the social plugin by name.
*
* @since 1.1
*
* @return string social plugin name
*/
public static function social_plugin_name() {
return __( 'Send Button', 'facebook' );
}
/**
* Navigate to the settings page through the Facebook top-level menu item.
*
* @since 1.1
*
* @uses add_submenu_page()
* @param string $parent_slug Facebook top-level menu item slug
* @return string submenu hook suffix
*/
public static function add_submenu_item( $parent_slug ) {
$send_button_settings = new Facebook_Send_Button_Settings();
$hook_suffix = add_submenu_page(
$parent_slug,
self::social_plugin_name(),
self::social_plugin_name(),
'manage_options',
self::PAGE_SLUG,
array( &$send_button_settings, 'settings_page' )
);
if ( $hook_suffix ) {
$send_button_settings->hook_suffix = $hook_suffix;
register_setting( $hook_suffix, self::OPTION_NAME, array( 'Facebook_Send_Button_Settings', 'sanitize_options' ) );
add_action( 'load-' . $hook_suffix, array( &$send_button_settings, 'onload' ) );
}
return $hook_suffix;
}
/**
* Load stored options and scripts on settings page view.
*
* @since 1.1
*/
public function onload() {
$options = get_option( self::OPTION_NAME );
if ( ! is_array( $options ) )
$options = array();
$this->existing_options = $options;
$this->settings_api_init();
}
/**
* Load the page.
*
* @since 1.1
*
* @return void
*/
public function settings_page() {
if ( ! isset( $this->hook_suffix ) )
return;
Facebook_Settings::settings_page_template( $this->hook_suffix, sprintf( __( '%s Settings', 'facebook' ), self::social_plugin_name() ) );
}
/**
* Hook into the settings API.
*
* @since 1.1
*
* @uses add_settings_section()
* @uses add_settings_field()
* @return void
*/
private function settings_api_init() {
if ( ! isset( $this->hook_suffix ) )
return;
$section = 'facebook-send-button';
add_settings_section(
$section,
'', // blank title for main page section
array( &$this, 'section_header' ),
$this->hook_suffix
);
// when, where
add_settings_field(
'facebook-send-show-on',
_x( 'Show on', 'Display the social plugin in specific areas of a website', 'facebook' ),
array( &$this, 'display_show_on' ),
$this->hook_suffix,
$section
);
add_settings_field(
'facebook-send-position',
_x( 'Position', 'Desired position of a Facebook social plugin relative to main post content.', 'facebook' ),
array( &$this, 'display_position' ),
$this->hook_suffix,
$section,
array( 'label_for' => 'facebook-send-position' )
);
// send button option
add_settings_field(
'facebook-send-font',
__( 'Font', 'facebook' ),
array( &$this, 'display_font' ),
$this->hook_suffix,
$section,
array( 'label_for' => 'facebook-send-position' )
);
add_settings_field(
'facebook-send-colorscheme',
__( 'Color scheme', 'facebook' ),
array( &$this, 'display_colorscheme' ),
$this->hook_suffix,
$section
);
}
/**
* Introduce publishers to the Send Button social plugin.
*
* @since 1.1
*
* @return void
*/
public function section_header() {
echo '<p>';
echo esc_html( __( 'Help site visitors send your URL in a message to any email address, a message to his or her Facebook friends, or a post to a Facebook group.', 'facebook' ) );
echo ' ' . ' <a href="https://developers.facebook.com/docs/plugins/send-button/" title="' . esc_attr( sprintf( __( '%s social plugin documentation', 'facebook' ), 'Facebook ' . self::social_plugin_name() ) ) . '">' . esc_html( __( 'Read more...', 'facebook' ) ) . '</a>';
echo '</p>';
}
/**
* Where should the button appear?
*
* @since 1.1
*
* @param array $extra_attributes custom form attributes
* @return void
*/
public function display_show_on( $extra_attributes = array() ) {
$key = 'show_on';
extract( self::parse_form_field_attributes(
$extra_attributes,
array(
'id' => 'facebook-send-show-on',
'class' => '',
'name' => self::OPTION_NAME . '[' . $key . ']'
)
) );
echo '<fieldset id="' . $id . '"';
if ( isset( $class ) && $class )
echo ' class="' . $class . '"';
echo '>' . self::show_on_choices( $name, self::get_display_conditionals_by_feature( 'send', 'all' ), 'all' ) . '</fieldset>';
echo '<p class="description">' . esc_html( self::show_on_description( __( 'Send Button', 'facebook' ) ) ) . '</p>';
}
/**
* Where would you like it?
*
* @since 1.1
* @param array $extra_attributes custom form attributes
*/
public function display_position( $extra_attributes = array() ) {
$key = 'position';
extract( self::parse_form_field_attributes(
$extra_attributes,
array(
'id' => 'facebook-send-' . $key,
'class' => '',
'name' => self::OPTION_NAME . '[' . $key . ']'
)
) );
if ( isset( $this->existing_options[$key] ) && in_array( $this->existing_options[$key], self::$position_choices, true ) )
$existing_value = $this->existing_options[$key];
else
$existing_value = 'both';
echo '<select name="' . esc_attr( $name ) . '" id="' . $id . '"';
if ( isset( $class ) && $class )
echo ' class="' . $class . '"';
echo '>' . self::position_choices( $existing_value ) . '</select>';
}
/**
* Choose a custom font.
*
* @since 1.1
*
* @param array $extra_attributes custom form attributes
* @return void
*/
public function display_font( $extra_attributes = array() ) {
$key = 'font';
extract( self::parse_form_field_attributes(
$extra_attributes,
array(
'id' => 'facebook-send-' . $key,
'class' => '',
'name' => self::OPTION_NAME . '[' . $key . ']'
)
) );
echo '<select name="' . esc_attr( $name ) . '" id="' . $id . '"';
if ( isset( $class ) && $class )
echo ' class="' . $class . '"';
echo '>' . self::font_choices( isset( $this->existing_options[$key] ) ? $this->existing_options[$key] : '' ) . '</select>';
}
/**
* Customize the color scheme.
*
* @since 1.1
*
* @param array $extra_attributes custom form attributes
* @return void
*/
public function display_colorscheme( $extra_attributes = array() ) {
$key = 'colorscheme';
extract( self::parse_form_field_attributes(
$extra_attributes,
array(
'id' => 'facebook-send-' . $key,
'class' => '',
'name' => self::OPTION_NAME . '[' . $key . ']'
)
) );
echo '<fieldset id="' . $id . '"';
if ( isset( $class ) && $class )
echo ' class="' . $class . '"';
echo '>' . self::color_scheme_choices( $name, isset( $this->existing_options[$key] ) ? $this->existing_options[$key] : '' ) . '</fieldset>';
}
/**
* Sanitize Send Button settings before they are saved to the database
*
* @since 1.1
*
* @param array $options Send Button options
* @return array clean option sets. note: we remove Send Button social plugin default options, storing only custom settings (e.g. dark color scheme stored, light is default and therefore not stored)
*/
public static function sanitize_options( $options ) {
if ( ! is_array( $options ) || empty( $options ) )
return array();
if ( ! class_exists( 'Facebook_Send_Button' ) )
require_once( dirname( dirname(__FILE__) ) . '/social-plugins/class-facebook-send-button.php' );
// Handle display preferences first
$clean_options = parent::sanitize_options( $options );
if ( isset( $clean_options['show_on'] ) ) {
self::update_display_conditionals( 'send', $clean_options['show_on'], self::get_show_on_choices( 'all' ) );
unset( $clean_options['show_on'] );
}
unset( $options['show_on'] );
$send_button = Facebook_Send_Button::fromArray( $options );
$send_button_options = $send_button->toHTMLDataArray();
if ( ! empty( $send_button_options ) )
return array_merge( $clean_options, $send_button_options );
return $clean_options;
}
}
?>