private static $classobj;

protected $pagehook;

public function __construct() {

if ( ! is_admin() )

return NULL;

if ( is_multisite() && ! function_exists( 'is_plugin_active_for_network' ) )

require_once( ABSPATH . '/wp-admin/includes/plugin.php' );

add_action( 'init', array( $this, 'register_styles' ) );

add_action( 'init', array( $this, 'on_init' ) );

add_action( 'admin_init', array( $this, 'text_domain' ) );

}

/**

public static function get_object() {

if ( NULL === self::$classobj )

self::$classobj = new self;

return self::$classobj;

}

/**

public function on_init() {

// active for MU ?

if ( is_multisite() && is_plugin_active_for_network( plugin_basename( __FILE__ ) ) )

add_action( 'network_admin_menu', array( $this, 'on_network_admin_menu' ) );

else

add_action( 'admin_menu', array( $this, 'on_admin_menu' ) );

}

public function text_domain() {

load_plugin_textdomain( 'adminer', false, dirname( plugin_basename(__FILE__) ) . '/languages' );

}

public function register_styles() {

wp_register_style( 'adminer-settings', plugins_url( 'css/settings.css', __FILE__ ) );

if ( is_multisite() && is_plugin_active_for_network( plugin_basename( __FILE__ ) ) ) {

add_action( 'admin_bar_menu', array( $this, 'add_wp_admin_bar_item' ), 20 );

}

}

public function on_load_page() {

add_thickbox();

wp_enqueue_style( 'adminer-settings' );

add_action( 'contextual_help', array( $this, 'contextual_help' ), 10, 3 );

}

public function on_admin_menu() {

if ( current_user_can( 'unfiltered_html' ) ) {

wp_enqueue_style( 'adminer-menu' );

$menutitle = __( 'Adminer', 'adminer' );

$this->pagehook = add_management_page(

__( 'Adminer', 'adminer' ),

$menutitle,

'unfiltered_html',

plugin_basename(__FILE__),

array( $this, 'on_show_page' )

);

add_action( 'load-' . $this -> pagehook, array( $this, 'on_load_page' ) );

}

}

public function on_network_admin_menu() {

if ( current_user_can('unfiltered_html' ) ) {

wp_enqueue_style( 'adminer-menu' );

$menutitle = __( 'Adminer', 'adminer' );

$this->pagehook = add_submenu_page(

'settings.php',

__( 'Adminer', 'adminer' ),

$menutitle,

'unfiltered_html',

plugin_basename(__FILE__),

array( $this, 'on_show_page' )

);

add_action( 'load-' . $this -> pagehook, array( $this, 'on_load_page' ) );

}

}

public function add_wp_admin_bar_item( $wp_admin_bar ) {

if ( is_super_admin() ) {

$args = array(

'parent' => 'network-admin',

'secondary' => FALSE,

'id' => 'network-adminer',

'title' => __( 'Adminer' ),

'href' => network_admin_url( 'settings.php?page=adminer/adminer.php' ),

);

$wp_admin_bar->add_node( $args );

}

}

public function contextual_help( $contextual_help, $screen_id, $screen ) {

if ( 'tools_page_adminer/adminer' !== $screen_id )

return FALSE;

$contextual_help = '<p>';

$contextual_help .= __( 'Start the Thickbox inside the Adminer-tool with the button &rsaquo;<em>Start Adminer inside</em>&lsaquo;.', 'adminer' );

$contextual_help .= '<br />';

$contextual_help .= __( 'Alternatively, you can use the button for use &rsaquo;<em>Adminer in a new Tab</em>&lsaquo;.', 'adminer' );

$contextual_help .= '</p>' . "\n";

$contextual_help .= '<p>' . __( '<a href="http://wordpress.org/extend/plugins/adminer/">Documentation on Plugin Directory</a>', 'adminer' );

$contextual_help .= ' &middot; ' . __( '<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&amp;hosted_button_id=6069955">Donate</a>', 'adminer' );

$contextual_help .= ' &middot; ' .__( '<a href="http://bueltge.de/">Blog of Plugin author</a>', 'adminer' );

$contextual_help .= ' &middot; ' . __( '<a href="http://www.adminer.org/">Adminer website</a></p>', 'adminer' );

return $contextual_help;

}

/**

static function gpc_strip_slashes( $value = NULL ) {

// crazy check, WP change the rules and also Adminer core

// result; we must check wrong to the php doc

if ( ! get_magic_quotes_gpc() ) {

if ( NULL !== $value )

$value = self::array_map_recursive( 'stripslashes_deep', $value );

// stripslashes_deep or stripslashes

$_REQUEST = self::array_map_recursive( 'stripslashes_deep', $_REQUEST );

$_GET = self::array_map_recursive( 'stripslashes_deep', $_GET );

$_POST = self::array_map_recursive( 'stripslashes_deep', $_POST );

$_COOKIE = self::array_map_recursive( 'stripslashes_deep', $_COOKIE );

}

return $value;

}

/**

static function array_map_recursive( $callback, $values ) {

$r = NULL;

if ( is_string( $values ) ) {

$r = $callback( $values );

} elseif ( is_array( $values ) ) {

$r = array();

foreach ( $values as $k => $v ) {

$r[$k] = is_scalar($v)

? $callback($v)

: self::array_map_recursive( $callback, $v );

}

}

return $r;

}

/**

public function on_show_page() {

if ( '' == DB_USER )

$db_user = __( 'empty', 'adminer' );

else

$db_user = DB_USER;

if ( '' == DB_PASSWORD )

$db_password = __( 'empty', 'adminer' );

else

$db_password = DB_PASSWORD;

?>

<div class="wrap">

<h2><?php _e( 'Adminer for WordPress', 'adminer' ); ?></h2>

<img class="alignright" src="<?php echo WP_PLUGIN_URL . '/' . dirname( plugin_basename(__FILE__) ); ?>/images/logo.png" alt="Adminer Logo" />

<p><a href="http://www.adminer.org/">Adminer</a> <?php _e( '(formerly phpMinAdmin) is a full-featured MySQL management tool written in PHP.', 'adminer' ); ?><br><?php _e( 'Current used version of Plugin', 'adminer' ); echo ' ' . self :: get_plugin_data( 'Name' ) . ': ' . self :: get_plugin_data( 'Version' ); ?></p>

<br class="clear"/>

<p>

<script type="text/javascript">

<!--

var viewportwidth,

viewportheight;

if (typeof window.innerWidth != 'undefined' ) {

viewportwidth = window.innerWidth-80;

viewportheight = window.innerHeight-100

} else if (typeof document.documentElement != 'undefined'

&& typeof document.documentElement.clientWidth !=

'undefined' && document.documentElement.clientWidth != 0)

{

viewportwidth = document.documentElement.clientWidth;

viewportheight = document.documentElement.clientHeight

} else { // older versions of IE

viewportwidth = document.getElementsByTagName('body' )[0].clientWidth;

viewportheight = document.getElementsByTagName('body' )[0].clientHeight

}

//document.write('<p class="textright">Your viewport width is '+viewportwidth+'x'+viewportheight+'</p>' );

document.write('<a onclick="return false;" href="<?php echo WP_PLUGIN_URL . '/' . dirname( plugin_basename(__FILE__) ); ?>/inc/adminer/loader.php?username=<?php echo DB_USER . '&amp;db=' . DB_NAME; ?>&amp;?KeepThis=true&amp;TB_iframe=true&amp;height=' + viewportheight + '&amp;width=' + viewportwidth + '" class="thickbox button"><?php _e( 'Start Adminer inside', 'adminer' ); ?></a>' );

// hide and readable password

function clear_password() {

document.getElementById( "dbpassword" ).setAttribute( 'type', 'text' );

}

function hide_password() {

document.getElementById( "dbpassword" ).setAttribute( 'type', 'password' );

}

//-->

</script>

<a target="_blank" href="<?php echo WP_PLUGIN_URL . '/' . dirname( plugin_basename(__FILE__) ); ?>/inc/adminer/loader.php?username=<?php echo DB_USER . '&amp;db=' . DB_NAME; ?>" class="button"><?php _e( 'Start Adminer in a new tab', 'adminer' ); ?></a>

</p>

<p>&nbsp;</p>

<noscript>

<iframe src="inc/adminer/loader.php?username=<?php echo DB_USER; ?>" width="100%" height="600" name="adminer">

<?php _e('Your browser does not support embedded frames.', 'adminer'); ?>

</iframe>

</noscript>

<div class="metabox-holder has-right-sidebar">

<div class="inner-sidebar">

<div class="postbox">

<h3><span><?php _e( 'Like this plugin?', 'adminer' ); ?></span></h3>

<div class="inside">

<p><?php _e( 'Here\'s how you can give back:', 'adminer' ); ?></p>

<ul>

<li><a href="http://wordpress.org/extend/plugins/adminer/" title="<?php esc_attr_e( 'The Plugin on the WordPress plugin repository', 'adminer' ); ?>"><?php _e( 'Give the plugin a good rating.', 'adminer' ); ?></a></li>

<li><a href="http://wordpress.org/support/view/plugin-reviews/adminer" title="<?php esc_attr_e( 'Write a good review on the repository', 'adminer' ); ?>"><?php _e( 'Write a review about the plugin.', 'adminer' ); ?></a></li>

<li><a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=6069955" title="<?php esc_attr_e( 'Donate via PayPal', 'adminer' ); ?>"><?php _e( 'Donate a few euros.', 'adminer' ); ?></a></li>

<li><a href="http://www.amazon.de/gp/registry/3NTOGEK181L23/ref=wl_s_3" title="<?php esc_attr_e( 'Frank B�ltge\'s Amazon Wish List', 'adminer' ); ?>"><?php _e( 'Get me something from my wish list.', 'adminer' ); ?></a></li>

<li><a href="http://adminer.org" title="<?php _e( 'Adminer website for more informations and versions without WordPress', 'adminer' ); ?>"><?php _e( 'More about Adminer', 'adminer' ); ?></a></li>

</ul>

</div> <!-- .inside -->

</div> <!-- .postbox -->

</div> <!-- .inner-sidebar -->

<div id="post-body">

<div id="post-body-content">

<div class="postbox">

<h3><span><?php _e( 'Your Database Data', 'adminer' ); ?></span></h3>

<div class="inside">

<table class="widefat post fixed">

<thead>

<tr>

<th><?php _e('Typ', 'adminer'); ?></th>

<th><?php _e('Value', 'adminer'); ?></th>

</tr>

</thead>

<tbody>

<tr valign="top" class="alternate">

<th scope="row"><?php _e('Server', 'adminer'); ?></th>

<td><code><?php echo DB_HOST; ?></code></td>

</tr>

<tr valign="top">

<th scope="row"><?php _e('Database', 'adminer'); ?></th>

<td><code><?php echo DB_NAME; ?></code></td>

</tr>

<tr valign="top" class="alternate">

<th scope="row"><?php _e('User', 'adminer'); ?></th>

<td><code><?php echo $db_user; ?></code></td>

</tr>

<tr valign="top" class="password">

<th scope="row"><label for="dbpassword"><?php _e('Password', 'adminer'); ?></label></th>

<td><input onmouseout="hide_password()" onmouseover="clear_password()" value="<?php echo $db_password; ?>" id="dbpassword" type="password" readonly></td>

</tr>

</tbody>

</table>

</div> <!-- .inside -->

</div> <!-- .postbox -->

</div> <!-- #post-body-content -->

</div> <!-- #post-body -->

</div> <!-- .metabox-holder -->

</div>

<?php

}

/**

private static function get_plugin_data( $value = 'TextDomain' ) {

static $plugin_data = array();

// fetch the data just once.

if ( isset( $plugin_data[ $value ] ) )

return $plugin_data[ $value ];

if ( ! function_exists( 'get_plugin_data' ) )

require_once( ABSPATH . '/wp-admin/includes/plugin.php' );

$plugin_data = get_plugin_data( __FILE__ );

return empty ( $plugin_data[ $value ] ) ? '' : $plugin_data[ $value ];

}