$args ) new $class( $args[0], $args[1] ); } // ____________MAIN METHODS____________ // Constructor function __construct( $file, $options = NULL ) { if ( is_a( $options, 'scbOptions' ) ) $this->options = $options; $this->file = $file; $this->plugin_url = plugin_dir_url( $file ); $this->setup(); $this->check_args(); if ( isset( $this->option_name ) ) { add_action( 'admin_init', array( $this, 'option_init' ) ); if ( function_exists( 'settings_errors' ) ) add_action( 'admin_notices', 'settings_errors' ); } add_action( 'admin_menu', array( $this, 'page_init' ), $this->args['admin_action_priority'] ); add_filter( 'contextual_help', array( $this, '_contextual_help' ), 10, 2 ); if ( $this->args['action_link'] ) add_filter( 'plugin_action_links_' . plugin_basename( $file ), array( $this, '_action_link' ) ); } // This is where all the page args can be set function setup(){} // This is where the css and js go // Both wp_enqueue_*() and inline code can be added function page_head(){} // This is where the contextual help goes // @return string function page_help(){} // A generic page header function page_header() { echo "
\n"; screen_icon( $this->args['screen_icon'] ); echo "

" . $this->args['page_title'] . "

\n"; } // This is where the page content goes abstract function page_content(); // A generic page footer function page_footer() { echo "
\n"; } // This is where the form data should be validated function validate( $new_data, $old_data ) { return $new_data; } // Manually handle option saving ( use Settings API instead ) function form_handler() { if ( empty( $_POST['action'] ) ) return false; check_admin_referer( $this->nonce ); if ( !isset($this->options) ) { trigger_error('options handler not set', E_USER_WARNING); return false; } $new_data = wp_array_slice_assoc( $_POST, array_keys( $this->options->get_defaults() ) ); $new_data = stripslashes_deep( $new_data ); $new_data = $this->validate( $new_data, $this->options->get() ); $this->options->set( $new_data ); $this->admin_msg(); } // Manually generate a standard admin notice ( use Settings API instead ) function admin_msg( $msg = '', $class = "updated" ) { if ( empty( $msg ) ) $msg = __( 'Settings saved.', $this->textdomain ); echo "

$msg

\n"; } // ____________UTILITIES____________ // Generates a form submit button function submit_button( $value = '', $action = 'action', $class = "button" ) { if ( is_array( $value ) ) { extract( wp_parse_args( $value, array( 'value' => __( 'Save Changes', $this->textdomain ), 'action' => 'action', 'class' => 'button', 'ajax' => true ) ) ); if ( ! $ajax ) $class .= ' no-ajax'; } else { if ( empty( $value ) ) $value = __( 'Save Changes', $this->textdomain ); } $input_args = array( 'type' => 'submit', 'names' => $action, 'values' => $value, 'extra' => '', 'desc' => false ); if ( ! empty( $class ) ) $input_args['extra'] = "class='{$class}'"; $output = "

\n" . scbForms::input( $input_args ) . "

\n"; return $output; } /* Mimics scbForms::form_wrap() $this->form_wrap( $content ); // generates a form with a default submit button $this->form_wrap( $content, false ); // generates a form with no submit button // the second argument is sent to submit_button() $this->form_wrap( $content, array( 'text' => 'Save changes', 'name' => 'action', 'ajax' => true, ) ); */ function form_wrap( $content, $submit_button = true ) { if ( is_array( $submit_button ) ) { $content .= $this->submit_button( $submit_button ); } elseif ( true === $submit_button ) { $content .= $this->submit_button(); } elseif ( false !== strpos( $submit_button, 'nonce ); } // Generates a table wrapped in a form function form_table( $rows, $formdata = false ) { $output = ''; foreach ( $rows as $row ) $output .= $this->table_row( $row, $formdata ); $output = $this->form_table_wrap( $output ); return $output; } // Wraps the given content in a
function form_table_wrap( $content ) { $output = $this->table_wrap( $content ); $output = $this->form_wrap( $output ); return $output; } // Generates a form table function table( $rows, $formdata = false ) { $output = ''; foreach ( $rows as $row ) $output .= $this->table_row( $row, $formdata ); $output = $this->table_wrap( $output ); return $output; } // Generates a table row function table_row( $args, $formdata = false ) { return $this->row_wrap( $args['title'], $this->input( $args, $formdata ) ); } // Wraps the given content in a
function table_wrap( $content ) { return html( 'table class="form-table"', $content ); } // Wraps the given content in a
function row_wrap( $title, $content ) { return html( 'tr', html( 'th scope="row"', $title ) .html( 'td', $content ) ); } // Mimic scbForms inheritance function __call( $method, $args ) { if ( in_array( $method, array( 'input', 'form' ) ) ) { if ( empty( $args[1] ) && isset( $this->options ) ) $args[1] = $this->options->get(); if ( 'form' == $method ) $args[2] = $this->nonce; } return call_user_func_array( array( 'scbForms', $method ), $args ); } // Wraps a string in a \n"; } // Wraps a string in a \n"; } // ____________INTERNAL METHODS____________ // Registers a page function page_init() { extract( $this->args ); if ( ! $toplevel ) { $this->pagehook = add_submenu_page( $parent, $page_title, $menu_title, $capability, $page_slug, array( $this, '_page_content_hook' ) ); } else { $func = 'add_' . $toplevel . '_page'; $this->pagehook = $func( $page_title, $menu_title, $capability, $page_slug, array( $this, '_page_content_hook' ), $icon_url, $position ); } if ( ! $this->pagehook ) return; if ( $ajax_submit ) { $this->ajax_response(); add_action( 'admin_footer', array( $this, 'ajax_submit' ), 20 ); } add_action( 'admin_print_styles-' . $this->pagehook, array( $this, 'page_head' ) ); } function option_init() { register_setting( $this->option_name, $this->option_name, array( $this, 'validate' ) ); } private function check_args() { if ( empty( $this->args['page_title'] ) ) trigger_error( 'Page title cannot be empty', E_USER_WARNING ); $this->args = wp_parse_args( $this->args, array( 'toplevel' => '', 'position' => null, 'icon_url' => '', 'screen_icon' => '', 'parent' => 'options-general.php', 'capability' => 'manage_options', 'menu_title' => $this->args['page_title'], 'page_slug' => '', 'nonce' => '', 'action_link' => __( 'Settings', $this->textdomain ), 'ajax_submit' => false, 'admin_action_priority' => 10, ) ); if ( empty( $this->args['page_slug'] ) ) $this->args['page_slug'] = sanitize_title_with_dashes( $this->args['menu_title'] ); if ( empty( $this->args['nonce'] ) ) $this->nonce = $this->args['page_slug']; } function _contextual_help( $help, $screen ) { if ( is_object( $screen ) ) $screen = $screen->id; $actual_help = $this->page_help(); if ( $screen == $this->pagehook && $actual_help ) return $actual_help; return $help; } function ajax_response() { if ( ! isset( $_POST['_ajax_submit'] ) || $_POST['_ajax_submit'] != $this->pagehook ) return; $this->form_handler(); die; } function ajax_submit() { global $page_hook; if ( $page_hook != $this->pagehook ) return; ?> form_handler(); $this->page_header(); $this->page_content(); $this->page_footer(); } function _action_link( $links ) { $url = add_query_arg( 'page', $this->args['page_slug'], admin_url( $this->args['parent'] ) ); $links[] = html_link( $url, $this->args['action_link'] ); return $links; } }