nrelate → Related Content to configure your settings.
Author: nrelate and SlipFire
Version: 0.47.8
Author URI: http://nrelate.com/
// Copyright (c) 2010 nrelate, All rights reserved.
//
// Released under the GPL license
// http://www.opensource.org/licenses/gpl-license.php
//
// This is a plugin for WordPress
// http://wordpress.org/
//
//
// **********************************************************************
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// **********************************************************************
**/
/**
* Define Plugin constants
*/
define( 'NRELATE_RELATED_PLUGIN_VERSION', '0.47.8' );
define( 'NRELATE_RELATED_ADMIN_SETTINGS_PAGE', 'nrelate-related' );
define( 'NRELATE_RELATED_ADMIN_VERSION', '0.01.0' );
define( 'NRELATE_CSS_URL', 'http://static.nrelate.com/common_wp/' . NRELATE_RELATED_ADMIN_VERSION . '/' );
define( 'NRELATE_BLOG_ROOT', urlencode(str_replace(array('http://','https://'), '', get_bloginfo( 'url' ))));
define( 'NRELATE_JS_DEBUG', $_REQUEST['nrelate_debug'] ? true : false );
define( 'NRELATE_ADMIN_COMMON_FILE', plugin_basename( __FILE__ ) );
define( 'NRELATE_ADMIN_DIR_NAME', trim( dirname( NRELATE_ADMIN_COMMON_FILE ), '/' ) );
define( 'NRELATE_ADMIN_DIR', WP_PLUGIN_DIR . '/' . NRELATE_ADMIN_DIR_NAME.'/admin');
define( 'NRELATE_ADMIN_URL', WP_PLUGIN_URL . '/' . NRELATE_ADMIN_DIR_NAME.'/admin');
/**
* Define Path constants
*/
if ( ! defined( 'NRELATE_PLUGIN_BASENAME' ) )
define( 'NRELATE_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
if ( ! defined( 'NRELATE_RELATED_PLUGIN_BASENAME' ) )
define( 'NRELATE_RELATED_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
if ( ! defined( 'NRELATE_RELATED_PLUGIN_NAME' ) )
define( 'NRELATE_RELATED_PLUGIN_NAME', trim( dirname( NRELATE_RELATED_PLUGIN_BASENAME ), '/' ) );
if ( ! defined( 'NRELATE_RELATED_PLUGIN_DIR' ) )
define( 'NRELATE_RELATED_PLUGIN_DIR', WP_PLUGIN_DIR . '/' . NRELATE_RELATED_PLUGIN_NAME );
if ( ! defined( 'NRELATE_RELATED_PLUGIN_URL' ) )
define( 'NRELATE_RELATED_PLUGIN_URL', WP_PLUGIN_URL . '/' . NRELATE_RELATED_PLUGIN_NAME );
if ( ! defined( 'NRELATE_RELATED_SETTINGS_DIR' ) )
define( 'NRELATE_RELATED_SETTINGS_DIR', NRELATE_RELATED_PLUGIN_DIR . '/related_settings' );
if ( ! defined( 'NRELATE_RELATED_SETTINGS_URL' ) )
define( 'NRELATE_RELATED_SETTINGS_URL', NRELATE_RELATED_PLUGIN_URL . '/related_settings' );
if ( ! defined( 'NRELATE_RELATED_ADMIN_DIR' ) )
define( 'NRELATE_RELATED_ADMIN_DIR', NRELATE_RELATED_PLUGIN_DIR . '/admin' );
if ( ! defined( 'NRELATE_RELATED_IMAGE_DIR' ) )
define( 'NRELATE_RELATED_IMAGE_DIR', NRELATE_RELATED_PLUGIN_URL . '/images' );
// Load Language
load_plugin_textdomain('nrelate-related', false, NRELATE_RELATED_PLUGIN_DIR . '/language');
/**
* Load plugin styles if another nrelate plugin has not loaded it yet.
*
* @since 0.46.0
*/
if (!isset($nrelate_thumbnail_styles)) { require_once ( NRELATE_RELATED_ADMIN_DIR . '/styles.php' ); }
/**
* Initializes the plugin and it's features.
*
* @since 0.1
*/
if (is_admin()) {
//load common admin files if not already loaded from another nrelate plugin
if ( ! defined( 'NRELATE_COMMON_LOADED' ) ) { require_once ( NRELATE_RELATED_ADMIN_DIR . '/common.php' ); }
//load plugin status
require_once ( NRELATE_RELATED_SETTINGS_DIR . '/related-plugin-status.php' );
//load related menu
require_once ( NRELATE_RELATED_SETTINGS_DIR . '/related-menu.php' );
}
/** Load common frontend functions **/
if ( ! defined( 'NRELATE_COMMON_FRONTEND_LOADED' ) ) { require_once ( NRELATE_RELATED_ADMIN_DIR . '/common-frontend.php' ); }
/*
* Load related styles
*
* since v.44.0
* updated v46.0
*/
function nrelate_related_styles() {
if ( nrelate_related_is_loading() ) {
$options = get_option('nrelate_related_options');
$style_options = get_option('nrelate_related_options_styles');
if ($options['related_thumbnail']=='Thumbnails') {
//Thumbnails mode
if ('none'==$style_options['related_thumbnails_style']) return;
$style_type = $style_options['related_thumbnails_style'];
$stylesheet = 'nrelate-panels-' . $style_type .'.min.css';
// Register ie6 styles
$nr_css_ie6_url = NRELATE_CSS_URL . "ie6-panels.min.css";
$nr_ie6_id = 'nrelate-ie6-' . str_replace(".","-",NRELATE_RELATED_ADMIN_VERSION);
wp_register_style($nr_ie6_id, $nr_css_ie6_url, false, null );
$GLOBALS['wp_styles']->add_data( $nr_ie6_id, 'conditional', 'IE 6' );
} else {
//Text mode
if ('none'==$style_options['related_text_style']) return;
$style_type = $style_options['related_text_style'];
$stylesheet = 'nrelate-text-'.$style_options['related_text_style'].'.min.css';
}
$nr_css_url = NRELATE_CSS_URL . $stylesheet;
wp_register_style('nrelate-style-'. $style_type . "-" . str_replace(".","-",NRELATE_RELATED_ADMIN_VERSION), $nr_css_url, false, null );
wp_enqueue_style( 'nrelate-style-'. $style_type . "-" . str_replace(".","-",NRELATE_RELATED_ADMIN_VERSION) );
wp_enqueue_style( 'nrelate-ie6-' . str_replace(".","-",NRELATE_RELATED_ADMIN_VERSION) );
}
}
add_action('wp_print_styles', 'nrelate_related_styles');
/*
* Check if nrelate is loading (frontend only)
*
* @since 0.47.0
*/
function nrelate_related_is_loading() {
$is_loading = false;
if ( !is_admin() ) {
$options = get_option('nrelate_related_options');
if ( isset($options['related_where_to_show']) ) {
foreach ( (array)$options['related_where_to_show'] as $cond_tag ) {
if ( function_exists( $cond_tag ) && call_user_func( $cond_tag ) ) {
$is_loading = true;
break;
}
}
}
}
return apply_filters( 'nrelate_related_is_loading', $is_loading);
}
/**
* Inject related posts into the content
*
* Stops injection into themes that use get_the_excerpt in their meta description
*
* @since 0.1
*/
function nrelate_related_inject($content) {
global $post;
if ( nrelate_related_should_inject() ) {
$nrelate_related_options = get_option( 'nrelate_related_options' );
$related_loc_top = $nrelate_related_options['related_loc_top'];
$related_loc_bottom = $nrelate_related_options['related_loc_bottom'];
if ($related_loc_top == "on"){
$content_top = nrelate_related(true);
} else {
$content_top = '';
};
if ($related_loc_bottom == "on"){
$content_bottom = nrelate_related(true);
} else {
$content_bottom = '';
};
$original = $content;
$content = $content_top;
$content .= $original;
$content .= $content_bottom;
}
return $content;
}
add_filter( 'the_content', 'nrelate_related_inject', 10 );
add_filter( 'the_excerpt', 'nrelate_related_inject', 10 );
/**
* Returns true if currently the_content or the_excerpt
* filter should be injected with nrelate code
*
* @since 0.47.3
*/
function nrelate_related_should_inject() {
global $wp_current_filter;
$should_inject = true;
if ( !nrelate_is_main_loop() ) {
// Don't inject if out of main loop
$should_inject = false;
} elseif ( in_array( 'get_the_excerpt', $wp_current_filter ) ) {
// Don't inject if calling get_the_excerpt
$should_inject = false;
} elseif ( is_single() && in_array( 'the_excerpt', $wp_current_filter ) ) {
// Don't inject the_excerpt on single post pages
$should_inject = false;
}
// Third party widgets
// For php 5.25 support: debug_backtrace(false);
$call_stack = debug_backtrace();
foreach ( $call_stack as $call ) {
if ( $call['function'] == 'widget' ) {
$should_inject = false;
break;
}
}
return apply_filters( 'nrelate_related_should_inject', $should_inject );
}
/**
* nrelate related shortcode
*
* @since 0.1
*/
function nrelate_related_shortcode ($atts) {
extract(shortcode_atts(array(
"float" => 'left',
"width" => '100%',
), $atts));
return ''.nrelate_related(true).'
';
}
add_shortcode('nrelate-related', 'nrelate_related_shortcode');
/**
* Register the widget.
*
* @uses register_widget() Registers individual widgets.
* @link http://codex.wordpress.org/WordPress_Widgets_Api
*
* @written in 0.1
* @live in 0.41.0
*/
function nrelate_related_load_widget() {
//Load widget file.
require_once( 'related-widget.php' );
// Register widget.
register_widget( 'nrelate_Widget_Related' );
};
add_action( 'widgets_init', 'nrelate_related_load_widget' );
/**
* Primary function
*
* Gets options and passes to nrelate via Javascript
*
* @since 0.1
*/
$nr_counter = 0;
function nrelate_related($opt=false) {
global $post, $nr_counter;
$animation_fix = '';
if ( nrelate_related_is_loading() ) {
$nr_counter++;
$nrelate_related_options = get_option('nrelate_related_options');
$style_options = get_option('nrelate_related_options_styles');
$style_code = 'nrelate_' . (($nrelate_related_options['related_thumbnail']=='Thumbnails') ? $style_options['related_thumbnails_style'] : $style_options['related_text_style']);
$nr_width_class = 'nr_' . (($nrelate_related_options['related_thumbnail']=='Thumbnails') ? $nrelate_related_options['related_thumbnail_size'] : "text");
$post_title = urlencode(get_the_title($post->ID));
$post_urlencoded = urlencode(get_permalink($post->ID));
$nr_url = "http://api.nrelate.com/rcw_wp/" . NRELATE_RELATED_PLUGIN_VERSION . "/?tag=nrelate_related";
$nr_url .= "&keywords=$post_title&domain=" . NRELATE_BLOG_ROOT . "&url=$post_urlencoded&nr_div_number=".$nr_counter;
$nr_url .= is_home() ? '&source=hp' : '';
//is loaded only once per page
if (!defined('NRELATE_RELATED_HOME')) {
define('NRELATE_RELATED_HOME', true);
$animation_fix = '';
if (!empty($nrelate_related_options['related_ad_animation'])) {
$animation_fix = '';
}
$domain = addslashes(NRELATE_BLOG_ROOT);
$script = <<< EOD
$animation_fix
EOD;
echo $script;
}
$markup = <<
EOD;
if ($opt){
return $markup;
}else{
echo $markup;
}
}
}
//Activation and Deactivation functions
//Since 0.47.4, added uninstall hook
register_activation_hook(__FILE__, 'nr_rc_add_defaults');
register_deactivation_hook(__FILE__, 'nr_rc_deactivate');
register_uninstall_hook(__FILE__, 'nr_rc_uninstall');
?>