imsanity_ms ) ) {
$wpdb->imsanity_ms = $wpdb->get_blog_prefix( 0 ) . 'imsanity';
}
// Register the plugin settings menu.
add_action( 'admin_menu', 'imsanity_create_menu' );
add_action( 'network_admin_menu', 'imsanity_register_network' );
add_filter( 'plugin_action_links_imsanity/imsanity.php', 'imsanity_settings_link' );
add_action( 'admin_enqueue_scripts', 'imsanity_queue_script' );
add_action( 'admin_init', 'imsanity_register_settings' );
register_activation_hook( 'imsanity/imsanity.php', 'imsanity_maybe_created_custom_table' );
// settings cache.
$_imsanity_multisite_settings = null;
/**
* Create the settings menu item in the WordPress admin navigation and
* link it to the plugin settings page
*/
function imsanity_create_menu() {
// Create new menu for site configuration.
add_options_page( esc_html__( 'Imsanity Plugin Settings', 'imsanity' ), 'Imsanity', 'administrator', __FILE__, 'imsanity_settings_page' );
}
/**
* Register the network settings page
*/
function imsanity_register_network() {
if ( ! function_exists( 'is_plugin_active_for_network' ) && is_multisite() ) {
// Need to include the plugin library for the is_plugin_active function.
require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
if ( is_multisite() && is_plugin_active_for_network( 'imsanity/imsanity.php' ) ) {
add_submenu_page( 'settings.php', esc_html__( 'Imsanity Network Settings', 'imsanity' ), 'Imsanity', 'manage_options', 'imsanity_network', 'imsanity_network_settings' );
}
}
/**
* Settings link that appears on the plugins overview page
*
* @param array $links The plugin action links.
* @return array The action links, with a settings link pre-pended.
*/
function imsanity_settings_link( $links ) {
if ( ! is_array( $links ) ) {
$links = array();
}
$settings_link = '' . esc_html__( 'Settings', 'imsanity' ) . '';
array_unshift( $links, $settings_link );
return $links;
}
/**
* Queues up the AJAX script and any localized JS vars we need.
*
* @param string $hook The hook name for the current page.
*/
function imsanity_queue_script( $hook ) {
// Make sure we are being called from the settings page.
if ( strpos( $hook, 'settings_page_imsanity' ) !== 0 ) {
return;
}
// Register the scripts that are used by the bulk resizer.
wp_enqueue_script( 'imsanity_script', plugins_url( '/scripts/imsanity.js', __FILE__ ), array( 'jquery' ), IMSANITY_VERSION );
wp_localize_script(
'imsanity_script',
'imsanity_vars',
array(
'_wpnonce' => wp_create_nonce( 'imsanity-bulk' ),
'resizing_complete' => esc_html__( 'Resizing Complete', 'imsanity' ),
'resize_selected' => esc_html__( 'Resize Selected Images', 'imsanity' ),
'image' => esc_html__( 'Image', 'imsanity' ),
'invalid_response' => esc_html__( 'Received an invalid response, please check for errors in the Developer Tools console of your browser.', 'imsanity' ),
'none_found' => esc_html__( 'There are no images that need to be resized.', 'imsanity' ),
)
);
add_action( 'admin_print_styles', 'imsanity_settings_css' );
}
/**
* Return true if the multi-site settings table exists
*
* @return bool True if the Imsanity table exists.
*/
function imsanity_multisite_table_exists() {
global $wpdb;
return $wpdb->get_var( "SHOW TABLES LIKE '$wpdb->imsanity_ms'" ) === $wpdb->imsanity_ms;
}
/**
* Checks the schema version for the Imsanity table.
*
* @return string The version identifier for the schema.
*/
function imsanity_multisite_table_schema_version() {
// If the table doesn't exist then there is no schema to report.
if ( ! imsanity_multisite_table_exists() ) {
return '0';
}
global $wpdb;
$version = $wpdb->get_var( "SELECT data FROM $wpdb->imsanity_ms WHERE setting = 'schema'" );
if ( ! $version ) {
$version = '1.0'; // This is a legacy version 1.0 installation.
}
return $version;
}
/**
* Returns the default network settings in the case where they are not
* defined in the database, or multi-site is not enabled.
*
* @return stdClass
*/
function imsanity_get_default_multisite_settings() {
$data = new stdClass();
$data->imsanity_override_site = false;
$data->imsanity_max_height = IMSANITY_DEFAULT_MAX_HEIGHT;
$data->imsanity_max_width = IMSANITY_DEFAULT_MAX_WIDTH;
$data->imsanity_max_height_library = IMSANITY_DEFAULT_MAX_HEIGHT;
$data->imsanity_max_width_library = IMSANITY_DEFAULT_MAX_WIDTH;
$data->imsanity_max_height_other = IMSANITY_DEFAULT_MAX_HEIGHT;
$data->imsanity_max_width_other = IMSANITY_DEFAULT_MAX_WIDTH;
$data->imsanity_bmp_to_jpg = IMSANITY_DEFAULT_BMP_TO_JPG;
$data->imsanity_png_to_jpg = IMSANITY_DEFAULT_PNG_TO_JPG;
$data->imsanity_deep_scan = false;
$data->imsanity_quality = IMSANITY_DEFAULT_QUALITY;
return $data;
}
/**
* On activation create the multisite database table if necessary. this is
* called when the plugin is activated as well as when it is automatically
* updated.
*/
function imsanity_maybe_created_custom_table() {
// If not a multi-site no need to do any custom table lookups.
if ( ! function_exists( 'is_multisite' ) || ( ! is_multisite() ) ) {
return;
}
global $wpdb;
$schema = imsanity_multisite_table_schema_version();
if ( '0' === $schema ) {
// This is an initial database setup.
$sql = 'CREATE TABLE IF NOT EXISTS ' . $wpdb->imsanity_ms . ' (
setting varchar(55),
data text NOT NULL,
PRIMARY KEY (setting)
);';
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
dbDelta( $sql );
// Add the rows to the database.
$data = imsanity_get_default_multisite_settings();
$wpdb->insert(
$wpdb->imsanity_ms,
array(
'setting' => 'multisite',
'data' => maybe_serialize( $data ),
)
);
$wpdb->insert(
$wpdb->imsanity_ms,
array(
'setting' => 'schema',
'data' => IMSANITY_SCHEMA_VERSION,
)
);
}
if ( IMSANITY_SCHEMA_VERSION !== $schema ) {
// This is a schema update. for the moment there is only one schema update available, from 1.0 to 1.1.
if ( '1.0' === $schema ) {
// Update from version 1.0 to 1.1.
$wpdb->insert(
$wpdb->imsanity_ms,
array(
'setting' => 'schema',
'data' => IMSANITY_SCHEMA_VERSION,
)
);
$wpdb->query( "ALTER TABLE $wpdb->imsanity_ms CHANGE COLUMN data data TEXT NOT NULL;" );
} else {
// @todo we don't have this yet
$wpdb->update(
$wpdb->imsanity_ms,
array( 'data' => IMSANITY_SCHEMA_VERSION ),
array( 'setting' => 'schema' )
);
}
}
}
/**
* Display the form for the multi-site settings page.
*/
function imsanity_network_settings() {
$settings = imsanity_get_multisite_settings(); ?>
';
}
/**
* Process the form, update the network settings
* and clear the cached settings
*/
function imsanity_network_settings_update() {
if ( ! current_user_can( 'manage_options' ) || ! wp_verify_nonce( $_REQUEST['_wpnonce'], 'imsanity_network_options' ) ) {
return;
}
global $wpdb;
global $_imsanity_multisite_settings;
// ensure that the custom table is created when the user updates network settings
// this is not ideal but it's better than checking for this table existance
// on every page load.
imsanity_maybe_created_custom_table();
$data = new stdClass();
$data->imsanity_override_site = (bool) $_POST['imsanity_override_site'];
$data->imsanity_max_height = sanitize_text_field( $_POST['imsanity_max_height'] );
$data->imsanity_max_width = sanitize_text_field( $_POST['imsanity_max_width'] );
$data->imsanity_max_height_library = sanitize_text_field( $_POST['imsanity_max_height_library'] );
$data->imsanity_max_width_library = sanitize_text_field( $_POST['imsanity_max_width_library'] );
$data->imsanity_max_height_other = sanitize_text_field( $_POST['imsanity_max_height_other'] );
$data->imsanity_max_width_other = sanitize_text_field( $_POST['imsanity_max_width_other'] );
$data->imsanity_bmp_to_jpg = (bool) $_POST['imsanity_bmp_to_jpg'];
$data->imsanity_png_to_jpg = (bool) $_POST['imsanity_png_to_jpg'];
$data->imsanity_quality = imsanity_jpg_quality( $_POST['imsanity_quality'] );
$data->imsanity_deep_scan = empty( $_POST['imsanity_deep_scan'] ) ? 0 : 1;
$success = $wpdb->update(
$wpdb->imsanity_ms,
array( 'data' => maybe_serialize( $data ) ),
array( 'setting' => 'multisite' )
);
// Clear the cache.
$_imsanity_multisite_settings = null;
add_action( 'network_admin_notices', 'imsanity_network_settings_saved' );
}
/**
* Display a message to inform the user the multi-site setting have been saved.
*/
function imsanity_network_settings_saved() {
echo "
';
}
/**
* Return the multi-site settings as a standard class. If the settings are not
* defined in the database or multi-site is not enabled then the default settings
* are returned. This is cached so it only loads once per page load, unless
* imsanity_network_settings_update is called.
*
* @return stdClass
*/
function imsanity_get_multisite_settings() {
global $_imsanity_multisite_settings;
$result = null;
if ( ! $_imsanity_multisite_settings ) {
if ( function_exists( 'is_multisite' ) && is_multisite() ) {
global $wpdb;
$result = $wpdb->get_var( "SELECT data FROM $wpdb->imsanity_ms WHERE setting = 'multisite'" );
}
// if there's no results, return the defaults instead.
$_imsanity_multisite_settings = $result
? unserialize( $result )
: imsanity_get_default_multisite_settings();
// this is for backwards compatibility.
if ( ! isset( $_imsanity_multisite_settings->imsanity_max_height_library ) ) {
$_imsanity_multisite_settings->imsanity_max_height_library = $_imsanity_multisite_settings->imsanity_max_height;
$_imsanity_multisite_settings->imsanity_max_width_library = $_imsanity_multisite_settings->imsanity_max_width;
$_imsanity_multisite_settings->imsanity_max_height_other = $_imsanity_multisite_settings->imsanity_max_height;
$_imsanity_multisite_settings->imsanity_max_width_other = $_imsanity_multisite_settings->imsanity_max_width;
}
$_imsanity_multisite_settings->imsanity_override_site = ! empty( $_imsanity_multisite_settings->imsanity_override_site ) ? '1' : '0';
$_imsanity_multisite_settings->imsanity_bmp_to_jpg = ! empty( $_imsanity_multisite_settings->imsanity_bmp_to_jpg ) ? '1' : '0';
$_imsanity_multisite_settings->imsanity_png_to_jpg = ! empty( $_imsanity_multisite_settings->imsanity_png_to_jpg ) ? '1' : '0';
if ( ! property_exists( $_imsanity_multisite_settings, 'imsanity_deep_scan' ) ) {
$_imsanity_multisite_settings->imsanity_deep_scan = false;
}
}
return $_imsanity_multisite_settings;
}
/**
* Gets the option setting for the given key, first checking to see if it has been
* set globally for multi-site. Otherwise checking the site options.
*
* @param string $key The name of the option to retrieve.
* @param string $ifnull Value to use if the requested option returns null.
*/
function imsanity_get_option( $key, $ifnull ) {
$result = null;
$settings = imsanity_get_multisite_settings();
if ( $settings->imsanity_override_site ) {
$result = $settings->$key;
if ( is_null( $result ) ) {
$result = $ifnull;
}
} else {
$result = get_option( $key, $ifnull );
}
return $result;
}
/**
* Register the configuration settings that the plugin will use
*/
function imsanity_register_settings() {
if ( ! function_exists( 'is_plugin_active_for_network' ) && is_multisite() ) {
require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
// We only want to update if the form has been submitted.
if ( isset( $_POST['update_imsanity_settings'] ) && is_multisite() && is_plugin_active_for_network( 'imsanity/imsanity.php' ) ) {
imsanity_network_settings_update();
}
// Register our settings.
register_setting( 'imsanity-settings-group', 'imsanity_max_height' );
register_setting( 'imsanity-settings-group', 'imsanity_max_width' );
register_setting( 'imsanity-settings-group', 'imsanity_max_height_library' );
register_setting( 'imsanity-settings-group', 'imsanity_max_width_library' );
register_setting( 'imsanity-settings-group', 'imsanity_max_height_other' );
register_setting( 'imsanity-settings-group', 'imsanity_max_width_other' );
register_setting( 'imsanity-settings-group', 'imsanity_bmp_to_jpg' );
register_setting( 'imsanity-settings-group', 'imsanity_png_to_jpg' );
register_setting( 'imsanity-settings-group', 'imsanity_quality', 'imsanity_jpg_quality' );
register_setting( 'imsanity-settings-group', 'imsanity_deep_scan' );
}
/**
* Validate and return the JPG quality setting.
*
* @param int $quality The JPG quality currently set.
* @return int The (potentially) adjusted quality level.
*/
function imsanity_jpg_quality( $quality = null ) {
if ( is_null( $quality ) ) {
$quality = get_option( 'imsanity_quality' );
}
if ( preg_match( '/^(100|[1-9][0-9]?)$/', $quality ) ) {
return (int) $quality;
} else {
return IMSANITY_DEFAULT_QUALITY;
}
}
/**
* Helper function to render css styles for the settings forms
* for both site and network settings page
*/
function imsanity_settings_css() {
echo '
';
}
/**
* Render the settings page by writing directly to stdout. if multi-site is enabled
* and imsanity_override_site is true, then display a notice message that settings
* are not editable instead of the settings form
*/
function imsanity_settings_page() {
?>
; ?>)