acf-options-page.php

<?php
/*
Plugin Name: Advanced Custom Fields: Options Page
Plugin URI: http://www.advancedcustomfields.com/
Description: Adds the options page
Version: 1.0.1
Author: Elliot Condon
Author URI: http://www.elliotcondon.com/
License: GPL
Copyright: Elliot Condon
*/

class acf_options_page_plugin
{
    var $settings;


    /*
    *  Constructor
    *
    *  @description:
    *  @since 1.0.0
    *  @created: 23/06/12
    */

    function __construct()
    {
        // vars
        $this->settings = array(
            'title' => __('Options','acf'), // title / menu name ('Site Options')
            'capability' => 'edit_posts', // capability to view options page
            'pages' => array(), // an array of sub pages ('Header, Footer, Home, etc')
        );

        // actions
        add_action('init', array($this,'init'), 1 );
        add_action('admin_menu', array($this,'admin_menu'), 11, 0);


        // filters
        add_filter('acf/location/rule_types', array($this,'acf_location_rules_types'));
        add_filter('acf/location/rule_values/options_page', array($this,'acf_location_rules_values_options_page'));
    }


    /*
    *  init
    *
    *  @description:
    *  @since: 3.6
    *  @created: 12/02/13
    */

    function init()
    {
        // filters
        $this->settings = apply_filters('acf/options_page/settings', $this->settings);


        if( isset($GLOBALS['acf_options_pages']) && !empty($GLOBALS['acf_options_pages']) )
        {
            $this->settings['pages'] = array_merge( $this->settings['pages'], $GLOBALS['acf_options_pages'] );
        }
    }


    /*
    *  acf_location_rules_types
    *
    *  @description:
    *  @since: 3.6
    *  @created: 2/02/13
    */

    function acf_location_rules_types( $choices )
    {
        $choices[ __("Options Page",'acf') ]['options_page'] = __("Options Page",'acf');

        return $choices;
    }


    /*
    *  acf_location_rules_values_options_page
    *
    *  @description:
    *  @since: 3.6
    *  @created: 2/02/13
    */
    function acf_location_rules_values_options_page( $choices )
    {
        $choices = array(
            'acf-options' => $this->settings['title']
        );

        $titles = $this->settings['pages'];
        if( !empty($titles) )
        {
            $choices = array();
            foreach( $titles as $title )
            {
                $slug = 'acf-options-' . sanitize_title( $title );
                $choices[ $slug ] = $title;
            }
        }


        return $choices;
    }


    /*
    *  admin_menu
    *
    *  @description:
    *  @since: 2.0.4
    *  @created: 5/12/12
    */

    function admin_menu()
    {
        // vars
        $parent_slug = 'acf-options';
        $parent_title = $this->settings['title'];
        $parent_menu = $this->settings['title'];


        // redirect to first child
        if( !empty($this->settings['pages']) )
        {
            $parent_title = $this->settings['pages'][0];
            $parent_slug = 'acf-options-' . sanitize_title( $parent_title );
        }


        // Parent
        $parent_page = add_menu_page($parent_title, $parent_menu, $this->settings['capability'], $parent_slug, array($this, 'html'));


        // actions
        add_action('load-' . $parent_page, array($this,'admin_load'));



        if( !empty($this->settings['pages']) )
        {
            foreach($this->settings['pages'] as $c)
            {
                $sub_title = $c;
                $sub_slug = 'acf-options-' . sanitize_title( $sub_title );

                $child_page = add_submenu_page($parent_slug, $sub_title, $sub_title, $this->settings['capability'], $sub_slug, array($this, 'html'));


                // actions
                add_action('load-' . $child_page, array($this,'admin_load'));
            }
        }

    }


    /*
    *  load
    *
    *  @description:
    *  @since: 3.6
    *  @created: 2/02/13
    */

    function admin_load()
    {
        add_action('admin_enqueue_scripts', array($this,'admin_enqueue_scripts'));
        add_action('admin_head', array($this,'admin_head'));
        add_action('admin_footer', array($this,'admin_footer'));
    }


    /*
    *  admin_enqueue_scripts
    *
    *  @description: run after post query but before any admin script / head actions. A good place to register all actions.
    *  @since: 3.6
    *  @created: 26/01/13
    */

    function admin_enqueue_scripts()
    {
        // actions
        do_action('acf/input/admin_enqueue_scripts');
    }


    /*
    *  admin_head
    *
    *  @description:
    *  @since: 2.0.4
    *  @created: 5/12/12
    */

    function admin_head()
    {

        // verify nonce
        if( isset($_POST['acf_nonce']) && wp_verify_nonce($_POST['acf_nonce'], 'input') )
        {
            do_action('acf/save_post', 'options');

            $this->data['admin_message'] = __("Options Updated",'acf');
        }


        // get field groups
        $filter = array();
        $metabox_ids = array();
        $metabox_ids = apply_filters( 'acf/location/match_field_groups', $metabox_ids, $filter );


        if( empty($metabox_ids) )
        {
            $this->data['no_fields'] = true;
            return false;
        }


        // Style
        echo '<style type="text/css">#side-sortables.empty-container { border: 0 none; }</style>';


        // add user js + css
        do_action('acf/input/admin_head');


        // get field groups
        $acfs = apply_filters('acf/get_field_groups', array());


        if( $acfs )
        {
            foreach( $acfs as $acf )
            {
                // load options
                $acf['options'] = apply_filters('acf/field_group/get_options', array(), $acf['id']);


                // vars
                $show = in_array( $acf['id'], $metabox_ids ) ? 1 : 0;

                if( !$show )
                {
                    continue;
                }


                // add meta box
                add_meta_box(
                    'acf_' . $acf['id'],
                    $acf['title'],
                    array($this, 'meta_box_input'),
                    'acf_options_page',
                    $acf['options']['position'],
                    'high',
                    array( 'field_group' => $acf, 'show' => $show, 'post_id' => 'options' )
                );

            }
            // foreach($acfs as $acf)
        }
        // if($acfs)

    }


    /*
    *  meta_box_input
    *
    *  @description:
    *  @since 1.0.0
    *  @created: 23/06/12
    */

    function meta_box_input( $post, $args )
    {
        // vars
        $options = $args['args'];


        echo '<div class="options" data-layout="' . $options['field_group']['options']['layout'] . '" data-show="' . $options['show'] . '" style="display:none"></div>';

        $fields = apply_filters('acf/field_group/get_fields', array(), $options['field_group']['id']);

        do_action('acf/create_fields', $fields, $options['post_id']);

    }


    /*
    *  admin_footer
    *
    *  @description:
    *  @since: 2.0.4
    *  @created: 5/12/12
    */

    function admin_footer()
    {
        // add togle open / close postbox
        ?>
        <script type="text/javascript">
        (function($){

            $('.postbox .handlediv').live('click', function(){

                var postbox = $(this).closest('.postbox');

                if( postbox.hasClass('closed') )
                {
                    postbox.removeClass('closed');
                }
                else
                {
                    postbox.addClass('closed');
                }

            });

        })(jQuery);
        </script>
        <?php
    }


    /*
    *  html
    *
    *  @description:
    *  @since: 2.0.4
    *  @created: 5/12/12
    */

    function html()
    {
        ?>
        <div class="wrap no_move">

            <div class="icon32" id="icon-options-general"><br></div>
            <h2><?php echo get_admin_page_title(); ?></h2>

            <?php if(isset($this->data['admin_message'])): ?>
            <div id="message" class="updated"><p><?php echo $this->data['admin_message']; ?></p></div>
            <?php endif; ?>

            <?php if(isset($this->data['no_fields'])): ?>
            <div id="message" class="updated"><p><?php _e("No Custom Field Group found for the options page",'acf'); ?>. <a href="<?php echo admin_url(); ?>post-new.php?post_type=acf"><?php _e("Create a Custom Field Group",'acf'); ?></a></p></div>
            <?php else: ?>

            <form id="post" method="post" name="post">
            <div class="metabox-holder has-right-sidebar" id="poststuff">

                <!-- Sidebar -->
                <div class="inner-sidebar" id="side-info-column">

                    <!-- Update -->
                    <div class="postbox">
                        <h3 class="hndle"><span><?php _e("Publish",'acf'); ?></span></h3>
                        <div class="inside">
                            <input type="hidden" name="HTTP_REFERER" value="<?php echo $_SERVER['HTTP_REFERER'] ?>" />
                            <input type="hidden" name="acf_nonce" value="<?php echo wp_create_nonce( 'input' ); ?>" />
                            <input type="submit" class="acf-button" value="<?php _e("Save Options",'acf'); ?>" />
                        </div>
                    </div>

                    <?php $meta_boxes = do_meta_boxes('acf_options_page', 'side', null); ?>

                </div>

                <!-- Main -->
                <div id="post-body">
                <div id="post-body-content">
                    <?php $meta_boxes = do_meta_boxes('acf_options_page', 'normal', null); ?>
                    <script type="text/javascript">
                    (function($){

                        $('#poststuff .postbox[id*="acf_"]').addClass('acf_postbox');

                    })(jQuery);
                    </script>
                </div>
                </div>

            </div>
            </form>

            <?php endif; ?>

        </div>

        <?php

    }


}

new acf_options_page_plugin();


/*
*  register_options_page()
*
*  This function is used to register an options page
*
*  @type    function
*  @since   3.0.0
*  @date    29/01/13
*
*  @param   $title - the page title
*
*  @return
*/


if( !function_exists('register_options_page') )
{

$GLOBALS['acf_options_pages'] = array();

function register_options_page( $title = "" )
{
    $GLOBALS['acf_options_pages'][] = $title;
}

}


?>