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| Current File : /home1/savoy/sportsmeet.net/wp-content/plugins/wp-pagenavi/scb/AdminPage.php |
<?php
/**
* Administration page base class.
*/
abstract class scbAdminPage {
/** Page args
* $page_title string (mandatory)
* $parent (string) (default: options-general.php)
* $capability (string) (default: 'manage_options')
* $menu_title (string) (default: $page_title)
* $submenu_title (string) (default: $menu_title)
* $page_slug (string) (default: sanitized $page_title)
* $toplevel (string) If not empty, will create a new top level menu (for expected values see http://codex.wordpress.org/Administration_Menus#Using_add_submenu_page)
* - $icon_url (string) URL to an icon for the top level menu
* - $position (int) Position of the toplevel menu (caution!)
* $nonce string (default: $page_slug)
* $action_link (string|bool) Text of the action link on the Plugins page (default: 'Settings')
* $admin_action_priority int The priority that the admin_menu action should be executed at (default: 10)
*/
protected $args;
// URL to the current plugin directory.
// Useful for adding css and js files
protected $plugin_url;
// Created at page init
protected $pagehook;
// scbOptions object holder
// Normally, it's used for storing formdata
protected $options;
protected $option_name;
// l10n
protected $textdomain;
protected $nonce;
protected $file;
// ____________REGISTRATION COMPONENT____________
private static $registered = array();
/**
* Registers class of page.
*
* @param string $class
* @param string $file
* @param object $options (optional) A scbOptions object.
*
* @return bool
*/
public static function register( $class, $file, $options = null ) {
if ( isset( self::$registered[ $class ] ) ) {
return false;
}
self::$registered[ $class ] = array( $file, $options );
add_action( '_admin_menu', array( __CLASS__, '_pages_init' ) );
return true;
}
/**
* Replaces class of page.
*
* @param string $old_class
* @param string $new_class
*
* @return bool
*/
public static function replace( $old_class, $new_class ) {
if ( ! isset( self::$registered[ $old_class ] ) ) {
return false;
}
self::$registered[ $new_class ] = self::$registered[ $old_class ];
unset( self::$registered[ $old_class ] );
return true;
}
/**
* Removes class of page.
*
* @param string $class
*
* @return bool
*/
public static function remove( $class ) {
if ( ! isset( self::$registered[ $class ] ) ) {
return false;
}
unset( self::$registered[ $class ] );
return true;
}
/**
* Instantiates classes of pages.
*
* @return void
*/
public static function _pages_init() {
foreach ( self::$registered as $class => $args ) {
new $class( $args[0], $args[1] );
}
}
// ____________MAIN METHODS____________
/**
* Constructor.
*
* @param string|bool $file (optional)
* @param object $options (optional) A scbOptions object.
*
* @return void
*/
public function __construct( $file = false, $options = null ) {
if ( is_a( $options, 'scbOptions' ) ) {
$this->options = $options;
}
$this->setup();
$this->check_args();
if ( isset( $this->option_name ) ) {
add_action( 'admin_init', array( $this, 'option_init' ) );
}
add_action( 'admin_menu', array( $this, 'page_init' ), $this->args['admin_action_priority'] );
if ( $file ) {
$this->file = $file;
$this->plugin_url = plugin_dir_url( $file );
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.
*
* @return void
*/
protected function setup() { }
/**
* Called when the page is loaded, but before any rendering.
* Useful for calling $screen->add_help_tab() etc.
*
* @return void
*/
public function page_loaded() {
$this->form_handler();
}
/**
* This is where the css and js go.
* Both wp_enqueue_*() and inline code can be added.
*
* @return void
*/
public function page_head() { }
/**
* This is where the contextual help goes.
*
* @return string
*/
protected function page_help() { }
/**
* A generic page header.
*
* @return void
*/
protected function page_header() {
echo "<div class='wrap'>\n";
echo html( 'h2', $this->args['page_title'] );
}
/**
* This is where the page content goes.
*
* @return void
*/
abstract protected function page_content();
/**
* A generic page footer.
*
* @return void
*/
protected function page_footer() {
echo "</div>\n";
}
/**
* This is where the form data should be validated.
*
* @param array $new_data
* @param array $old_data
*
* @return array
*/
public function validate( $new_data, $old_data ) {
return $new_data;
}
/**
* Manually handle option saving ( use Settings API instead ).
*
* @return bool
*/
protected function form_handler() {
if ( empty( $_POST['submit'] ) && 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 );
add_action( 'admin_notices', array( $this, 'admin_msg' ) );
return true;
}
/**
* Manually generate a standard admin notice ( use Settings API instead ).
*
* @param string $msg (optional)
* @param string $class (optional)
*
* @return void
*/
public function admin_msg( $msg = '', $class = 'updated' ) {
if ( empty( $msg ) ) {
$msg = __( 'Settings <strong>saved</strong>.', $this->textdomain );
}
echo scb_admin_notice( $msg, $class );
}
// ____________UTILITIES____________
/**
* Generates a form submit button.
*
* @param string|array $value (optional) Button text or array of arguments.
* @param string $action (optional)
* @param string $class (optional)
*
* @return string
*/
public function submit_button( $value = '', $action = 'submit', $class = 'button' ) {
$args = is_array( $value ) ? $value : compact( 'value', 'action', 'class' );
$args = wp_parse_args( $args, array(
'value' => null,
'action' => $action,
'class' => $class,
) );
return get_submit_button( $args['value'], $args['class'], $args['action'] );
}
/**
* 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',
* ) );
*
* @see scbForms::form_wrap()
*
* @param string $content
* @param boolean|string|array $submit_button (optional)
*
* @return string
*/
public function form_wrap( $content, $submit_button = true ) {
if ( is_array( $submit_button ) ) {
$content .= $this->submit_button( $submit_button );
} else if ( true === $submit_button ) {
$content .= $this->submit_button();
} else if ( false !== strpos( $submit_button, '<input' ) ) {
$content .= $submit_button;
} else if ( false !== strpos( $submit_button, '<button' ) ) {
$content .= $submit_button;
} else if ( false !== $submit_button ) {
$button_args = array_slice( func_get_args(), 1 );
$content .= call_user_func_array( array( $this, 'submit_button' ), $button_args );
}
return scbForms::form_wrap( $content, $this->nonce );
}
/**
* Generates a table wrapped in a form.
*
* @param array $rows
* @param array|boolean $formdata (optional)
*
* @return string
*/
public 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 <form><table>
*
* @param string $content
*
* @return string
*/
public function form_table_wrap( $content ) {
$output = $this->table_wrap( $content );
$output = $this->form_wrap( $output );
return $output;
}
/**
* Generates a form table.
*
* @param array $rows
* @param array|boolean $formdata (optional)
*
* @return string
*/
public 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.
*
* @param array $args
* @param array|boolean $formdata (optional)
*
* @return string
*/
public function table_row( $args, $formdata = false ) {
return $this->row_wrap( $args['title'], $this->input( $args, $formdata ) );
}
/**
* Mimic scbForms inheritance.
*
* @see scbForms
*
* @param string $method
* @param array $args
*
* @return mixed
*/
public 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 <script> tag.
*
* @param string $string
*
* @return string
*/
public function js_wrap( $string ) {
return html( "script type='text/javascript'", $string );
}
/**
* Wraps a string in a <style> tag.
*
* @param string $string
*
* @return string
*/
public function css_wrap( $string ) {
return html( "style type='text/css'", $string );
}
// ____________INTERNAL METHODS____________
/**
* Registers a page.
*
* @return void
*/
public function page_init() {
if ( ! $this->args['toplevel'] ) {
$this->pagehook = add_submenu_page(
$this->args['parent'],
$this->args['page_title'],
$this->args['menu_title'],
$this->args['capability'],
$this->args['page_slug'],
array( $this, '_page_content_hook' )
);
} else {
$func = 'add_' . $this->args['toplevel'] . '_page';
$this->pagehook = $func(
$this->args['page_title'],
$this->args['menu_title'],
$this->args['capability'],
$this->args['page_slug'],
null,
$this->args['icon_url'],
$this->args['position']
);
add_submenu_page(
$this->args['page_slug'],
$this->args['page_title'],
$this->args['submenu_title'],
$this->args['capability'],
$this->args['page_slug'],
array( $this, '_page_content_hook' )
);
}
if ( ! $this->pagehook ) {
return;
}
add_action( 'load-' . $this->pagehook, array( $this, 'page_loaded' ) );
add_action( 'admin_print_styles-' . $this->pagehook, array( $this, 'page_head' ) );
}
/**
* Registers a option.
*
* @return void
*/
public function option_init() {
register_setting( $this->option_name, $this->option_name, array( $this, 'validate' ) );
}
/**
* Checks page args.
*
* @return void
*/
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' => '',
'parent' => 'options-general.php',
'capability' => 'manage_options',
'menu_title' => $this->args['page_title'],
'page_slug' => '',
'nonce' => '',
'action_link' => __( 'Settings', $this->textdomain ),
'admin_action_priority' => 10,
) );
if ( empty( $this->args['submenu_title'] ) ) {
$this->args['submenu_title'] = $this->args['menu_title'];
}
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'];
}
}
/**
* Displays page content.
*
* @return void
*/
public function _page_content_hook() {
$this->page_header();
$this->page_content();
$this->page_footer();
}
/**
* Adds an action link.
*
* @param array $links
*
* @return array
*/
public function _action_link( $links ) {
if ( ! is_array( $links ) ) {
$links = array();
}
$url = add_query_arg( 'page', $this->args['page_slug'], admin_url( $this->args['parent'] ) );
$links[] = html_link( $url, $this->args['action_link'] );
return $links;
}
}