<?php
/*
Plugin Name: FBF - Facebook Page Feed Widget
Description: Displays your Facebook Page feed in the sidbar of your blog.Simply add your pageID and all your visitors can see your staus!
Author: Lakshmanan PHP
Version: 1.2.1
*/
/*
Version 1.0 - update - Showing avatar, shor code, widget styles 25-aug-2012
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2,
as published by the Free Software Foundation.
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. See the
GNU General Public License for more details.
*/
// Display Facebook messages
function fbf_facebook_messages($options) {
// CHECK OPTIONS
add_filter( 'wp_feed_cache_transient_lifetime', create_function( '$a', 'return 60;' )); // To reduce cache time
if ($options['pageID'] == '') {
return __('Facebook pageID not configured','fbf');
}
if (!is_numeric($options['num']) or $options['num']<=0) {
return __('Number of status not valid','fbf');
}
$link_target = ($options['link_target_blank']) ? ' target="_blank" ' : ''; // Checking Link target - Open new windo/tab or in same window
$avatar_size = ($options['avatar_size']) ? $options['avatar_size'] : 'small'; // avatar_size
// Fetching feed using wordpress // Credits http://digwp.com/2011/09/feed-display-multiple-columns/
include_once(ABSPATH . WPINC . '/feed.php');
$optionID = $options['pageID']; // Getting Facebook Page ID
$rss_array = explode(',',$optionID);
$feed_link_array = "";
foreach($rss_array as $feed_link_id){ // Creating string of RSS links seperated by commas
$feed_link_array .= ',http://www.facebook.com/feeds/page.php?id='.$feed_link_id.'&format=rss20';
}
if($feed_link_array{0}==",")
$feed_link_array=substr($feed_link_array,1,strlen($feed_link_array));
$feed_links = explode(",",$feed_link_array); // Array of RSS Feed links
if(function_exists('fetch_feed')) {
$returnMar = '';
$returnMar .= '<!--- page ID '.$optionID.' -->';
$returnMar .= '<div class="fbf_facebook_page_widget_container">
<ul class="fbf_facebook_page_widget">';
for ($f=0;$f< count($rss_array); $f++){
$feed[$f] = fetch_feed($feed_links[$f]);
if ( is_wp_error( $feed[$f] ) ) {
$error_string[$f] = $feed[$f]->get_error_message();
$err_msg='<div id="message" class="error">';
$err_msg.='<strong>Unable to fetch the feed</strong><br><span>Error :</span><ul>';
foreach( $error_string as $err ):
if($err=="file_get_contents could not read the file")
$error_detail = "SimplePie could not read the feed";
else
$error_detail = $err;
$err_msg.='<li>'.$error_detail.'</li>';
endforeach;
$err_msg.='</ul>
</div>';
echo $err_msg; // Prints the error message
}
if (!is_wp_error($feed[$f])) : $feed[$f]->init();
$feed[$f]->set_output_encoding('UTF-8'); // set encoding
$feed[$f]->handle_content_type(); // ensure encoding
$feed[$f]->enable_cache(false); // no cache
$limit = $feed[$f]->get_item_quantity($options['num']); // get feed items
$items = $feed[$f]->get_items(0, $limit); // set array
endif;
if ($limit == 0) {
echo '<p><strong>RSS Feed currently unavailable.</strong></p>';
} else {
$blocks[$f] = array_slice($items, 0, $options['num']);
foreach ($blocks[$f] as $block) {
$returnMarkup .='<li>';
if ($options['feed_title'] == "true" ) {
$feedtitle ="<h4><a href=".$block->get_permalink()." class='facebook_page-link' ".$link_target.">".substr($block->get_title(), 0, 200)."</a></h4>"; // Title of the update
}elseif ($options['feed_title'] == "" ) {
$feedtitle = null;
}
$returnMarkup .= html_entity_decode($feedtitle,ENT_COMPAT, 'UTF-8');
# Like button
$like_button = '<iframe src="http://www.facebook.com/plugins/like.php?href='.$block->get_permalink().'&layout=standard&show_faces=true&width=450&action=like&colorscheme=light&height=30" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:100%; height:30px;" allowTransparency="true"></iframe>';
# Shows fb like button on top, below the feed title
if ($options['like_button'] !='' && $options['like_button'] != false) {
if ($options['like_button_position']=="top") {
$returnMarkup .= $like_button;
}
}
# Shows avatar of Facebook page
if ($options['show_avatar'] != '') {
$returnMarkup .="<div class=\"facebook_page-avatar\"><img src=\"http://graph.facebook.com/".$rss_array[$f]."/picture?type=".$avatar_size."\" alt=".$block->author." /></div>";
}
if ($options['show_description'] != '') {
$desc_feed = str_replace('href="http://www.facebook.com', 'href="', $block->get_description()); // Emptying all links
$desc = html_entity_decode(str_replace('href="', 'href="http://www.facebook.com', $desc_feed),ENT_COMPAT, 'UTF-8'); // adding facebook link - to avoid facebook redirector l.php's broken link error
$returnMarkup .= "<div class=\"fbf_desc\">".$desc."</div>"; // Full content
}
if ($options['update'] != '') {
$time = strtotime($block->get_date("j F Y, H:i:s"));
$tval = timesince($time);
$h_time = ( ( abs( time() - $time) ) < 86400 ) ? sprintf( __('%s ago', 'rstw'), human_time_diff( $time )) : date(__('Y/m/d'), $time);
$returnMarkup .= ''.sprintf( __('%s', 'rstw'),' <span class="facebook_page-timestamp"><abbr title="' .$block->get_date("j F Y, H:i:s") . '">'.timesince($time).'</abbr></span>' );
} // Show Timestamp - if option enabled
# Shows fb like button on bottom, below the feed description
if ($options['like_button'] !='' && $options['like_button'] != false) {
if ($options['like_button_position']=="bottom") {
$returnMarkup .= $like_button;
}
}
$returnMarkup .='</li>';
} // For Loop Ends here
}
unset($feed);
} // Multiple feeds for loop
$returnMar_last .='</ul>
</div>';
}
$returnMarkup = $returnMar.$returnMarkup.$returnMar_last;
return $returnMarkup;
}
function timesince ($time)
{
$time = time() - $time; // to get the time since that moment
$tokens = array (
31536000 => 'year',
2592000 => 'month',
604800 => 'week',
86400 => 'day',
3600 => 'hour',
60 => 'minute',
1 => 'second'
);
foreach ($tokens as $unit => $text) {
if ($time < $unit) continue;
$numberOfUnits = floor($time / $unit);
$t = $numberOfUnits.' '.$text.(($numberOfUnits>1)?'s':'');
return $t. " ago ";
}
}
/**
* FacebookPageFeedWidget Class
*/
class FacebookPageFeedWidget extends WP_Widget {
private /** @type {string} */ $languagePath;
/** constructor */
function FacebookPageFeedWidget() {
$this->options = array(
array(
'name' => 'title',
'label' => __( 'Title', 'fbf' ),
'type' => 'text'
),
array(
'name' => 'pageID',
'label' => __( 'Facebook Page ID<br> (Replace your facebook page ID here)', 'fbf' ),
'type' => 'text'
),
array(
'name' => 'num',
'label' => __( 'Show # of Posts', 'fbf' ),
'type' => 'text'
),
array(
'name' => 'avatar_size',
'label' => __( 'Avatar size', 'fbf' ),
'type' => 'radio',
'values' => array('square'=>'Square','small'=>'Small','normal'=>'Normal','large'=>'Large')
),
array(
'name' => 'update',
'label' => __( 'Show timestamps', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'feed_title',
'label' => __( 'Show feed title', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'show_description',
'label' => __( 'Show Description', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'show_avatar',
'label' => __( 'Show Avatar', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'link_target_blank',
'label' => __( 'Create links on new window / tab', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'like_button',
'label' => __( 'Show facebook like button', 'fbf' ),
'type' => 'checkbox'
),
array(
'name' => 'like_button_position',
'label' => __( 'Like button position', 'fbf' ),
'type' => 'radio',
'values' => array('top'=>'Top','bottom'=>'Bottom')
),
);
parent::WP_Widget(false, $name = 'FBF Facebook page Feed Widget');
}
/** @see WP_Widget::widget */
function widget($args, $instance) {
extract( $args );
$title = $instance['title'];
echo $before_widget;
if ( $title ) {
echo $before_title . $instance['title'] . $after_title;
}
echo fbf_facebook_messages($instance);
echo $after_widget;
}
/** @see WP_Widget::update */
function update($new_instance, $old_instance) {
$instance = $old_instance;
foreach ($this->options as $val) {
if ($val['type']=='text') {
$instance[$val['name']] = strip_tags($new_instance[$val['name']]);
} else if ($val['type']=='checkbox') {
$instance[$val['name']] = ($new_instance[$val['name']]=='on') ? true : false;
} else if ($val['type']=='radio') {
$instance[$val['name']] = $new_instance[$val['name']];
}
}
return $instance;
}
/** @see WP_Widget::form */
function form($instance) {
$default['title'] = __( 'FBF Facebook page Feed Widget', 'fbf' );
$default['pageID'] = '133662330114199';
$default['num'] = '5';
$default['feed_title'] = true;
$default['update'] = true;
$default['show_description'] = true;
$default['show_avatar'] = true;
$default['avatar_size'] = 'small'; // Available sizes square, small, normal, or large
$default['link_target_blank'] = true;
$default['like_button'] = true;
$default['like_button_position'] = 'top';
$instance = wp_parse_args($instance,$default);
foreach ($this->options as $val) {
$label = '<label for="'.$this->get_field_id($val['name']).'">'.$val['label'].'</label>';
if ($val['type']=='text') {
echo '<p>'.$label.'<br />';
echo '<input class="widefat" id="'.$this->get_field_id($val['name']).'" name="'.$this->get_field_name($val['name']).'" type="text" value="'.esc_attr($instance[$val['name']]).'" /></p>';
} else if ($val['type']=='checkbox') {
$checked = ($instance[$val['name']]) ? 'checked="checked"' : '';
echo '<input id="'.$this->get_field_id($val['name']).'" name="'.$this->get_field_name($val['name']).'" type="checkbox" '.$checked.' /> '.$label.'<br />';
} else if ($val['type']=='radio') {
echo '<p>'.$label.'<br />';
foreach($val['values'] as $key=>$name){
$label = '<label for="'.$this->get_field_id($val['name'].'_'.$key).'">'.$name.'</label>';
$checked = ($instance[$val['name']] == $key) ? 'checked="checked"' : '';
echo '<input id="'.$this->get_field_id($val['name'].'_'.$key).'" name="'.$this->get_field_name($val['name']).'" type="radio" '.$checked.' value="'.$key.'" />'.$label.' ';
}
echo '<br/><br/>';
}
}
}
} // class FacebookPageFeedWidget
// register FacebookPageFeedWidget widget
add_action('widgets_init', create_function('', 'return register_widget("FacebookPageFeedWidget");'));
// register stylesheet 25-aug-2012
add_action('wp_head', 'fbf_add_header_css', 100);
function fbf_add_header_css() {
echo '<link type="text/css" media="screen" rel="stylesheet" href="' . plugins_url('fbf-facebook-page-feed-widget/fbf_facebook_page_feed.css') . '" />' . "\n";
}
// Short code FacebookPageFeed 25-aug-2012 - edited 2 feb 2013
function fbf_short_code($atts) {
$atts['pageID'] = $atts['pageid'];
$atts= shortcode_atts(array(
'pageID' => '133662330114199',
'num' => '5',
'update' => false,
'show_description' => false,
'show_avatar' => false,
'avatar_size' => 'small',
'link_target_blank' => false,
'feed_title' => true,
'like_button' => true,
'like_button_position' => false,
), $atts);
return fbf_facebook_messages($atts);
}
// sample short code
// [fbf_page_feed pageID="133662330114199" num="2" show_description="true" update="true" show_avatar="true" avatar_size="square" link_target_blank="true" feed_title = "true" like_button="true" like_button_position="top"]
// sample short code without like button
// [fbf_page_feed pageID="133662330114199" num="2" show_description="true" update="true" show_avatar="true" avatar_size="square" link_target_blank="true" feed_title = "true" ]
add_shortcode('fbf_page_feed', 'fbf_short_code');