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Editing: class-sns-admin.php

<?php
/**
 * Scripts n Styles Admin Class
 *
 * Allows WordPress admin users the ability to add custom CSS
 * and JavaScript directly to individual Post, Pages or custom
 * post types.
 */

require_once( 'class-sns-meta-box.php' );
// require_once( 'class-sns-code-editor.php' );
require_once( 'class-sns-settings-page.php' );
require_once( 'class-sns-usage-page.php' );
require_once( 'class-sns-global-page.php' );
require_once( 'class-sns-hoops-page.php' );
require_once( 'class-sns-theme-page.php' );
require_once( 'class-sns-ajax.php' );
require_once( 'class-sns-form.php' );

class SnS_Admin
{
	/**#@+
	 * Constants
	 */
	const OPTION_GROUP = 'scripts_n_styles';
	const MENU_SLUG = 'sns';
	static $parent_slug = '';
	/**#@-*/

/**
	 * Initializing method.
	 * @static
	 */
	static function init() {
		add_action( 'admin_menu', array( 'SnS_Admin_Meta_Box', 'init' ) );
		// add_action( 'admin_menu', array( 'SnS_Admin_Code_Editor', 'init' ) );
		// add_action( 'network_admin_menu', array( 'SnS_Admin_Code_Editor', 'init' ) );

add_action( 'admin_menu', array( __CLASS__, 'menu' ) );

add_action( 'admin_init', array( 'SnS_AJAX', 'init' ) );
		add_action( 'admin_init', array( __CLASS__, 'load_plugin_textdomain' ) );

$plugin_file = plugin_basename( Scripts_n_Styles::$file );
		add_filter( "plugin_action_links_$plugin_file", array( __CLASS__, 'plugin_action_links') );

register_activation_hook( Scripts_n_Styles::$file, array( __CLASS__, 'upgrade' ) );
	}

static function load_plugin_textdomain() {
		load_plugin_textdomain( 'scripts-n-styles', false, dirname( plugin_basename( Scripts_n_Styles::$file ) ) . '/languages/' );
	}
	static function menu() {
		if ( ! current_user_can( 'manage_options' ) || ! current_user_can( 'unfiltered_html' ) ) return;

$options = get_option( 'SnS_options' );
		$menu_spot = isset( $options[ 'menu_position' ] ) ? $options[ 'menu_position' ]: '';
		$top_spots = array( 'menu', 'object', 'utility' );
		$sub_spots = array( 'tools.php', 'options-general.php', 'themes.php' );

if ( in_array( $menu_spot, $top_spots ) ) $parent_slug = SnS_Admin::MENU_SLUG;
		else if ( in_array( $menu_spot, $sub_spots ) ) $parent_slug = $menu_spot;
		else $parent_slug = 'tools.php';

self::$parent_slug = $parent_slug;

switch( $menu_spot ) {
			case 'menu':
				add_menu_page( __( 'Scripts n Styles', 'scripts-n-styles' ), __( 'Scripts n Styles', 'scripts-n-styles' ), 'unfiltered_html', $parent_slug, array( 'SnS_Form', 'page' ), plugins_url( 'images/menu.png', Scripts_n_Styles::$file ) );
				break;
			case 'object':
				add_object_page( __( 'Scripts n Styles', 'scripts-n-styles' ), __( 'Scripts n Styles', 'scripts-n-styles' ), 'unfiltered_html', $parent_slug, array( 'SnS_Form', 'page' ), plugins_url( 'images/menu.png', Scripts_n_Styles::$file ) );
				break;
			case 'utility':
				add_utility_page( __( 'Scripts n Styles', 'scripts-n-styles' ), __( 'Scripts n Styles', 'scripts-n-styles' ), 'unfiltered_html', $parent_slug, array( 'SnS_Form', 'page' ), plugins_url( 'images/menu.png', Scripts_n_Styles::$file ) );
				break;
		}
		SnS_Global_Page::init();
		SnS_Hoops_Page::init();
		if ( current_theme_supports( 'scripts-n-styles' ) )
			SnS_Theme_Page::init();
		SnS_Settings_Page::init();
		SnS_Usage_Page::init();
	}

/**
	 * Nav Tabs
	 */
	static function nav() {
		$options = get_option( 'SnS_options' );
		$page = $_REQUEST[ 'page' ];
		?>
		<h2>Scripts n Styles</h2>
		<?php if ( ! isset( $options[ 'menu_position' ] ) || 'options-general.php' != $options[ 'menu_position' ] ) settings_errors(); ?>
		<h3 class="nav-tab-wrapper">
			<a class="nav-tab<?php echo ( self::MENU_SLUG == $page ) ? ' nav-tab-active': ''; ?>" href="<?php menu_page_url( self::MENU_SLUG ); ?>"><?php _e( 'Global', 'scripts-n-styles' ); ?></a>
			<a class="nav-tab<?php echo ( self::MENU_SLUG . '_hoops' == $page ) ? ' nav-tab-active': ''; ?>" href="<?php menu_page_url( self::MENU_SLUG . '_hoops' ); ?>"><?php _e( 'Hoops', 'scripts-n-styles' ); ?></a>
			<?php if ( current_theme_supports( 'scripts-n-styles' ) ) { ?>
			<a class="nav-tab<?php echo ( self::MENU_SLUG . '_theme' == $page ) ? ' nav-tab-active': ''; ?>" href="<?php menu_page_url( self::MENU_SLUG . '_theme' ); ?>"><?php _e( 'Theme', 'scripts-n-styles' ); ?></a>
			<?php } ?>
			<a class="nav-tab<?php echo ( self::MENU_SLUG . '_settings' == $page ) ? ' nav-tab-active': ''; ?>" href="<?php menu_page_url( self::MENU_SLUG . '_settings' ); ?>"><?php _e( 'Settings', 'scripts-n-styles' ); ?></a>
			<a class="nav-tab<?php echo ( self::MENU_SLUG . '_usage' == $page ) ? ' nav-tab-active': ''; ?>" href="<?php menu_page_url( self::MENU_SLUG . '_usage' ); ?>"><?php _e( 'Usage', 'scripts-n-styles' ); ?></a>
		</h3>
		<?php
	}

/**
	 * Settings Page help
	 */
	static function help() {
		$help = '' . __( 'In default (non MultiSite) WordPress installs, both Administrators and Editors can access Scripts-n-Styles on individual edit screens. Only Administrators can access this Options Page. In MultiSite WordPress installs, only "Super Admin" users can access either Scripts-n-Styles on individual edit screens or this Options Page. If other plugins change capabilities (specifically "unfiltered_html"), other users can be granted access.', 'scripts-n-styles' ) . '';
		$help .= '' . __( 'Reference: jQuery Wrappers', 'scripts-n-styles' ) . '' .
				 '<pre><code>jQuery(document).ready(function($) {
	// $() will work as an alias for jQuery() inside of this function
	});</code></pre>';
		$help .= '<pre><code>(function($) {
	// $() will work as an alias for jQuery() inside of this function
	})(jQuery);</code></pre>';
		$sidebar = '' . __( 'For more information:', 'scripts-n-styles' ) . '' .
					'' . __( '<a href="http://wordpress.org/extend/plugins/scripts-n-styles/faq/" target="_blank">Frequently Asked Questions</a>', 'scripts-n-styles' ) . '' .
					'' . __( '<a href="https://github.com/unFocus/Scripts-n-Styles" target="_blank">Source on github</a>', 'scripts-n-styles' ) . '' .
					'' . __( '<a href="http://wordpress.org/tags/scripts-n-styles" target="_blank">Support Forums</a>', 'scripts-n-styles' ) . '';
		$screen = get_current_screen();
		if ( method_exists( $screen, 'add_help_tab' ) ) {
			$screen->add_help_tab( array(
				'title' => __( 'Scripts n Styles', 'scripts-n-styles' ),
				'id' => 'scripts-n-styles',
				'content' => $help
				)
			);
			if ( 'post' != $screen->id )
				$screen->set_help_sidebar( $sidebar );
		} else {
			add_contextual_help( $screen, $help . $sidebar );
		}
	}

/**
	 * Utility Method: Sets defaults if not previously set. Sets stored 'version' to VERSION.
	 */
	static function upgrade() {
		$options = get_option( 'SnS_options' );
		if ( ! $options ) $options = array();
		$options[ 'version' ] = Scripts_n_Styles::VERSION;
		update_option( 'SnS_options', $options );

// Meta upgrade generally unneeded anymore.
		return;

/*
		 * upgrade proceedure
		 */
		$posts = get_posts(
			array(
				'numberposts' => -1,
				'post_type' => 'any',
				'post_status' => 'any',
				'meta_query' => array(
					'relation' => 'OR',
					array( 'key' => '_SnS_scripts' ),
					array( 'key' => '_SnS_styles' ),
					array( 'key' => 'uFp_scripts' ),
					array( 'key' => 'uFp_styles' )
				)
			)
		);

foreach( $posts as $post) {
			$styles = get_post_meta( $post->ID, '_SnS_styles', true );
			if ( empty( $styles ) )
				$styles = get_post_meta( $post->ID, 'uFp_styles', true );

$scripts = get_post_meta( $post->ID, '_SnS_scripts', true );
			if ( empty( $scripts ) )
				$scripts = get_post_meta( $post->ID, 'uFp_scripts', true );

$SnS = array();
			if ( ! empty( $styles ) )
				$SnS[ 'styles' ] = $styles;

if ( ! empty( $scripts ) )
				$SnS[ 'scripts' ] = $scripts;

if ( ! empty( $SnS ) )
				update_post_meta( $post->ID, '_SnS', $SnS );

delete_post_meta( $post->ID, 'uFp_styles' );
			delete_post_meta( $post->ID, 'uFp_scripts' );
			delete_post_meta( $post->ID, '_SnS_styles' );
			delete_post_meta( $post->ID, '_SnS_scripts' );
		}

}

/**
	 * Adds link to the Settings Page in the WordPress "Plugin Action Links" array.
	 * @param array $actions
	 * @return array
	 */
	static function plugin_action_links( $actions ) {
		$actions[ 'settings' ] = '<a href="' . menu_page_url( SnS_Settings_Page::MENU_SLUG, false ) . '"/>' . __( 'Settings' ) . '</a>';
		return $actions;
	}

}

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