/home/edulekha/acepackagingindustry.com/wp-content/themes/enfold/framework/php/class-metabox.php
<?php if ( ! defined('AVIA_FW')) exit('No direct script access allowed');
/**
* This file holds the class that creates the meta boxes for posts, pages and other custom post types
*
*
* @author Christian "Kriesi" Budschedl
* @copyright Copyright (c) Christian Budschedl
* @link http://kriesi.at
* @link http://aviathemes.com
* @since Version 1.0
* @package AviaFramework
*/
/**
*
*/
if( !class_exists( 'avia_meta_box' ) )
{
/**
* The meta box class holds all methods necessary to create and sva and edit meta boxes for new posts, pages and custom post types
* @package AviaFramework
*/
class avia_meta_box
{
/**
* Default boxes holds the information which meta boxes to create after the init_boxes method was called
* @var obj
*/
var $default_boxes;
/**
* $box_elements holds the information which elements to add to each meta box
* @var obj
*/
var $box_elements;
/**
* Object of class avia_htmlhelper, necessary to render the different elements
* @var obj
*/
var $html;
/**
* A saftey check to prevent wordpress from calling the save function twice. it seems it gets applied once for each meta box which is not necessary here
* @var bool
*/
var $saved = false;
/**
* A check to prevent wordpress from adding the hidden data to each metabox, since its unneccesary
* @var bool
*/
var $hidden_data_set = false;
/**
* The theme name in escaped version so the options get only saved to the active theme
* @var string
*/
var $meta_prefix = false;
/**
* The constructor
* checks if we are currently viewing a post creation site and hooks into the admin_menu as well as into the save_post to create and safe the meta boxes
* It also creates the html object necessary to render the boxes
*/
function __construct($avia_superobject)
{
if(basename( $_SERVER['PHP_SELF']) == "post-new.php"
|| basename( $_SERVER['PHP_SELF']) == "post.php")
{
$this->superobject = $avia_superobject;
$this->html = new avia_htmlhelper($avia_superobject);
$this->html->context = "metabox";
$this->meta_prefix = avia_backend_safe_string($avia_superobject->base_data['prefix']);
add_action('admin_menu', array(&$this, 'init_boxes'));
add_action('save_post', array(&$this, 'save_post'));
}
}
/**
* Meta Box initialization
* This function checks if we already got metabox data stored in the posts meta table or if we need to get the data from the config file
* We then loop over the retrieved option array and create the according meta boxes, The callback for each metabox is set to create_meta_box
* which renders the elements within the box. To know which box we are currently rendering a callback argument is passed on initialization
*/
function init_boxes()
{
if(isset($_GET['post']))
{
$postId = $_GET['post'];
}
else
{
$postId = "";
}
//load the options array
include( AVIA_BASE.'/includes/admin/register-admin-metabox.php' );
if(isset($boxes) && isset($elements))
{
$this->default_boxes = apply_filters('avia_metabox_filter',$boxes);
$this->box_elements = apply_filters('avia_metabox_element_filter',$elements);
//loop over the box array
foreach($this->default_boxes as $key => $box)
{
foreach ($box['page'] as $area)
{
$box['iteration'] = $key;
add_meta_box(
$box['id'], // HTML 'id' attribute of the edit screen section
$box['title'], // Title of the edit screen section, visible to user
array(&$this, 'create_meta_box'), // Function that prints out the HTML for the edit screen section.
$area, // The type of Write screen on which to show the edit screen section ('post', 'page', etc)
$box['context'], // The part were box is shown: ('normal', 'advanced', or 'side').
$box['priority'], // The priority within the context where the boxes should show ('high' or 'low')
array('avia_current_box'=>$box) // callback arguments so we know which box we are in
);
}
}
}
}
/**
* Meta Box Creation
* This function iterates over the options array and creates the elments for each array entry
*/
function create_meta_box($currentPost, $metabox)
{
global $post;
$output = "";
$box = $metabox['args']['avia_current_box'];
if(!is_object($post)) return;
$key = '_avia_elements_'.$this->superobject->option_prefix;
if(current_theme_supports( 'avia_post_meta_compat' ))
{
$key = '_avia_elements_theme_compatibility_mode'; //actiavates a compatibility mode for easier theme switching and keeping post options
}
$custom_fields = get_post_meta($post->ID, $key, true);
$custom_fields = apply_filters('avia_meta_box_filter_custom_fields', $custom_fields, $post->ID);
//calls the helping function based on value of 'type'
foreach ($this->box_elements as $element)
{
if($element['slug'] == $box['id'])
{
if (method_exists($this->html, $element['type']))
{
//replace default values
if(isset($custom_fields[$element['id']]))
{
$element['std'] = $custom_fields[$element['id']];
}
$output .= '<div class="avia_meta_box avia_meta_box_'.$element['type'].' meta_box_'.$box['context'].'">';
$output .= $this->html->render_single_element($element);
if($element['type'] != 'visual_group_start')
$output .= '</div>';
if($element['type'] == 'visual_group_end')
$output .= '</div>';
}
}
}
//creates hidden data, nonce fields etc
if(!$this->hidden_data_set)
{
$output .= $this->html->hidden_data();
$this->hidden_data_set = true;
}
echo $output;
}
/**
* Meta box saving
* This function hooks into the native wordpress post saving. Once a user saves a post the function first checks if we got new cloned option sets,
* creates them and saves them to the post meta table. That way each post can have an individual set of options. Then we iterate over each array
* entry and save, edit or delete the according post data
*/
function save_post()
{
if(isset($_POST['post_ID']))
{
$must_check = false;
if(!is_array($this->default_boxes) || !isset($_POST['post_ID']) || !isset($_POST['post_type']) || $this->saved) return;
//check if a metabox was attached to this post type
foreach($this->default_boxes as $default_box)
{
if(in_array( $_POST['post_type'] ,$default_box['page']))
{
$must_check = true;
}
}
if(!$must_check) return;
if(function_exists('check_ajax_referer')) { check_ajax_referer('avia_nonce_save_metabox','avia-nonce'); }
//check if we got an options array and a post id or if it was already saved: if wordpress does an ajax save or creates a new page one of them might be unavailable
//check which capability is needed to edit the current post/page
$post_id = $_POST['post_ID'];
$capability = "edit_post";
if ( 'page' == $_POST['post_type'] ) { $capability = "edit_page"; }
//does the user have the capability?
if ( !current_user_can( $capability, $post_id )) return $post_id ;
$this->saved = true;
$meta_array = array();
foreach($this->box_elements as $box)
{
foreach($_POST as $key=>$value)
{
if(strpos($key, $box['id']) !== false)
{
if(strpos($key, 'on_save_') !== false)
{
$function = str_replace('on_save_', "", $key);
$meta_array = apply_filters('avia_filter_save_meta_box_'.$function, $meta_array, $_POST);
}
$meta_array[$key] = $value;
}
}
}
$result = avia_ajax_save_options_create_array($meta_array, true);
update_post_meta($post_id , '_avia_elements_'.$this->superobject->option_prefix, $result);
//also save the data to a neutral field that can be used for compatibility with other themes
update_post_meta($post_id , '_avia_elements_theme_compatibility_mode', $result);
//hook in case the value should be processed otherwise by an external function (example: slideshow first entry should be saved as post thumb)
do_action('avia_meta_box_save_post', $post_id, $result);
}
}
}
}