cicons = $wpdb->prefix.'ci_post_ref';
//Define a term that points to the uploads folder
define('CICONS', ABSPATH."/wp-content/uploads/cicons");
/**
** Function: Adding "Content Icons" Meta box
**/
add_action('admin_menu', 'cicons_add_meta_box');
function cicons_add_meta_box() {
add_meta_box('ciconsdiv', __('Content Icons', 'cicons'), 'cicons_metabox_admin', 'post', 'side');
}
/**
** Function: Content Icons Activate & Install
**/
//First, we add the action, which tells WordPress to set the activation hook for a plugin
//this particular call requires to parameters: the file location and name and the function name
//add_action('activate_content-icons/content-icons.php', 'conticons_init');
add_action('init', 'cicons_init');
function cicons_init(){
global $wpdb;
//let's start by defining our table name
$table_name = $wpdb->prefix . "ci_post_ref";
//now, we make sure that such a table doesn't already exist.
//if our desired table name already exist, we will not Create it again!
if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
//we will be creating a table that holds two key pieces of information: icon id, and the post it belongs to.
$create_cicons_info = "CREATE TABLE " . $table_name . " (
`post_id` INT NOT NULL ,
`icon_name` TEXT NOT NULL ,
PRIMARY KEY ( `post_id` )
);";
require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
dbDelta($create_cicons_info);
}
//create the upload directory
wp_mkdir_p(ABSPATH."/wp-content/uploads/cicons");
}
/**
** Function: Meta Box Function
**/
function cicons_metabox_admin() {
global $wpdb, $post;
$currentPID = $post->ID;
echo '
Selection
Select Icon to Associate With This Post -- ID '.$currentPID.'
Preview
';
//Adding functionality: Displaying current selected content icon for the post at hand (i.e., for the current post)
if ($chkIfExist) {
//echo 'found a match... ';
echo '
Current Selection
';
}
}
/**
** Function: Get the site's url
**/
function cicons_url() {
$url = trailingslashit(get_option('siteurl')) . $def_path; // idem
return $url;
}
/**
** Function: Get the Upload Path
**/
function get_upload_path(){
$path = str_replace(ABSPATH, '', get_option('upload_path')."/cicons");
return $path;
}
/**
** Function: Save our information whenever we save or publish the post
**/
add_action('save_post', 'add_cicons_admin_process');
function add_cicons_admin_process($post_ID) {
global $wpdb;
$cPID = wp_is_post_revision($post_ID);
if($cPID != null){
$select_icon = $_POST['select_icon'];
// Ensure No Duplicate Field
$check = intval($wpdb->get_var("SELECT * FROM `$wpdb->cicons` WHERE `post_id` = $cPID"));
if($check == 0) {
$wpdb->query( "INSERT INTO $wpdb->cicons (post_id, icon_name) VALUES ($cPID, '".$select_icon."')" );
} else {
if($select_icon != null){
$wpdb->query( "UPDATE $wpdb->cicons SET icon_name = '".$select_icon."' WHERE post_id = $cPID" );
}
}
}
}
/**
** Function: Delete the content icon associated with the post when the post itself gets deleted
**/
add_action('delete_post', 'delete_cicons_process');
function delete_cicons_process($post_ID) {
global $wpdb;
$cPID = wp_is_post_revision($post_ID);
if($cPID != null){
// Only proceed further if the content icon exist
$check = intval($wpdb->get_var("SELECT * FROM `$wpdb->cicons` WHERE `post_id` = $cPID"));
if($check > 0) {
$wpdb->query( "DELETE FROM $wpdb->cicons WHERE post_id = $cPID" );
}
}
}
/**
** Function: Display our content icon within the post/the content itself
**/
function display_content_icon($post_content){
global $wpdb, $post;
if($post->ID != null){
// Only proceed further if the content icon exist for the post
$chkIfExist = $wpdb->get_results("SELECT icon_name FROM `$wpdb->cicons` WHERE `post_id` = $post->ID");
if($chkIfExist) {
$imageStr = '';
$post_content = $imageStr . $post_content;
}
}
return $post_content;
}
//we need to tell word press to pass the content THROUGH our function... so we can append content icon to the post
add_filter('the_content', 'display_content_icon');
?>