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studio-2012/wp-content/plugins/twitter-widget-pro/wp-twitter-widget.php
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2012-05-14 21:56:45 +02:00

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PHP

<?php
/**
* Plugin Name: Twitter Widget Pro
* Plugin URI: http://bluedogwebservices.com/wordpress-plugin/twitter-widget-pro/
* Description: A widget that properly handles twitter feeds, including @username, #hashtag, and link parsing. It can even display profile images for the users. Requires PHP5.
* Version: 2.3.8
* Author: Aaron D. Campbell
* Author URI: http://bluedogwebservices.com/
* License: GPLv2 or later
* Text Domain: twitter-widget-pro
*/
/*
Copyright 2006-current Aaron D. Campbell ( email : wp_plugins@xavisys.com )
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
( at your option ) any later version.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
require_once( 'tlc-transients.php' );
require_once( 'xavisys-plugin-framework.php' );
define( 'TWP_VERSION', '2.3.8' );
/**
* WP_Widget_Twitter_Pro is the class that handles the main widget.
*/
class WP_Widget_Twitter_Pro extends WP_Widget {
public function WP_Widget_Twitter_Pro () {
$this->_slug = 'twitter-widget-pro';
$wpTwitterWidget = wpTwitterWidget::getInstance();
$widget_ops = array(
'classname' => 'widget_twitter',
'description' => __( 'Follow a Twitter Feed', $wpTwitterWidget->get_slug() )
);
$control_ops = array(
'width' => 400,
'height' => 350,
'id_base' => 'twitter'
);
$name = __( 'Twitter Widget Pro', $wpTwitterWidget->get_slug() );
$this->WP_Widget( 'twitter', $name, $widget_ops, $control_ops );
}
private function _getInstanceSettings ( $instance ) {
$wpTwitterWidget = wpTwitterWidget::getInstance();
return $wpTwitterWidget->getSettings( $instance );
}
public function form( $instance ) {
$instance = $this->_getInstanceSettings( $instance );
$wpTwitterWidget = wpTwitterWidget::getInstance();
?>
<p>
<label for="<?php echo $this->get_field_id( 'username' ); ?>"><?php _e( 'Twitter username:', $this->_slug ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'username' ); ?>" name="<?php echo $this->get_field_name( 'username' ); ?>" type="text" value="<?php esc_attr_e( $instance['username'] ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Give the feed a title ( optional ):', $this->_slug ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php esc_attr_e( $instance['title'] ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( 'items' ); ?>"><?php _e( 'How many items would you like to display?', $this->_slug ); ?></label>
<select id="<?php echo $this->get_field_id( 'items' ); ?>" name="<?php echo $this->get_field_name( 'items' ); ?>">
<?php
for ( $i = 1; $i <= 20; ++$i ) {
echo "<option value='$i' ". selected( $instance['items'], $i, false ). ">$i</option>";
}
?>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'avatar' ); ?>"><?php _e( 'Display profile image?', $this->_slug ); ?></label>
<select id="<?php echo $this->get_field_id( 'avatar' ); ?>" name="<?php echo $this->get_field_name( 'avatar' ); ?>">
<option value=""<?php selected( $instance['avatar'], '' ) ?>><?php _e( 'Do not show', $this->_slug ); ?></option>
<option value="mini"<?php selected( $instance['avatar'], 'mini' ) ?>><?php _e( 'Mini - 24px by 24px', $this->_slug ); ?></option>
<option value="normal"<?php selected( $instance['avatar'], 'normal' ) ?>><?php _e( 'Normal - 48px by 48px', $this->_slug ); ?></option>
<option value="bigger"<?php selected( $instance['avatar'], 'bigger' ) ?>><?php _e( 'Bigger - 73px by 73px', $this->_slug ); ?></option>
<option value="original"<?php selected( $instance['avatar'], 'original' ) ?>><?php _e( 'Original', $this->_slug ); ?></option>
</select>
</p>
<p>
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'showretweets' ); ?>" name="<?php echo $this->get_field_name( 'showretweets' ); ?>"<?php checked( $instance['showretweets'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'showretweets' ); ?>"><?php _e( 'Include retweets', $this->_slug ); ?></label>
</p>
<p>
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'hidereplies' ); ?>" name="<?php echo $this->get_field_name( 'hidereplies' ); ?>"<?php checked( $instance['hidereplies'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'hidereplies' ); ?>"><?php _e( 'Hide @replies', $this->_slug ); ?></label>
</p>
<p>
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'hidefrom' ); ?>" name="<?php echo $this->get_field_name( 'hidefrom' ); ?>"<?php checked( $instance['hidefrom'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'hidefrom' ); ?>"><?php _e( 'Hide sending applications', $this->_slug ); ?></label>
</p>
<p>
<input type="hidden" value="false" name="<?php echo $this->get_field_name( 'showintents' ); ?>" />
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'showintents' ); ?>" name="<?php echo $this->get_field_name( 'showintents' ); ?>"<?php checked( $instance['showintents'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'showintents' ); ?>"><?php _e( 'Show Tweet Intents (reply, retweet, favorite)', $this->_slug ); ?></label>
</p>
<p>
<input type="hidden" value="false" name="<?php echo $this->get_field_name( 'showfollow' ); ?>" />
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'showfollow' ); ?>" name="<?php echo $this->get_field_name( 'showfollow' ); ?>"<?php checked( $instance['showfollow'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'showfollow' ); ?>"><?php _e( 'Show Follow Link', $this->_slug ); ?></label>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'errmsg' ); ?>"><?php _e( 'What to display when Twitter is down ( optional ):', $this->_slug ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'errmsg' ); ?>" name="<?php echo $this->get_field_name( 'errmsg' ); ?>" type="text" value="<?php esc_attr_e( $instance['errmsg'] ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( 'fetchTimeOut' ); ?>"><?php _e( 'Number of seconds to wait for a response from Twitter ( default 2 ):', $this->_slug ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'fetchTimeOut' ); ?>" name="<?php echo $this->get_field_name( 'fetchTimeOut' ); ?>" type="text" value="<?php esc_attr_e( $instance['fetchTimeOut'] ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( 'showts' ); ?>"><?php _e( 'Show date/time of Tweet ( rather than 2 ____ ago ):', $this->_slug ); ?></label>
<select id="<?php echo $this->get_field_id( 'showts' ); ?>" name="<?php echo $this->get_field_name( 'showts' ); ?>">
<option value="0" <?php selected( $instance['showts'], '0' ); ?>><?php _e( 'Always', $this->_slug );?></option>
<option value="3600" <?php selected( $instance['showts'], '3600' ); ?>><?php _e( 'If over an hour old', $this->_slug );?></option>
<option value="86400" <?php selected( $instance['showts'], '86400' ); ?>><?php _e( 'If over a day old', $this->_slug );?></option>
<option value="604800" <?php selected( $instance['showts'], '604800' ); ?>><?php _e( 'If over a week old', $this->_slug );?></option>
<option value="2592000" <?php selected( $instance['showts'], '2592000' ); ?>><?php _e( 'If over a month old', $this->_slug );?></option>
<option value="31536000" <?php selected( $instance['showts'], '31536000' ); ?>><?php _e( 'If over a year old', $this->_slug );?></option>
<option value="-1" <?php selected( $instance['showts'], '-1' ); ?>><?php _e( 'Never', $this->_slug );?></option>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id( 'dateFormat' ); ?>"><?php echo sprintf( __( 'Format to dispaly the date in, uses <a href="%s">PHP date()</a> format:', $this->_slug ), 'http://php.net/date' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id( 'dateFormat' ); ?>" name="<?php echo $this->get_field_name( 'dateFormat' ); ?>" type="text" value="<?php esc_attr_e( $instance['dateFormat'] ); ?>" />
</p>
<p>
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'targetBlank' ); ?>" name="<?php echo $this->get_field_name( 'targetBlank' ); ?>"<?php checked( $instance['targetBlank'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'targetBlank' ); ?>"><?php _e( 'Open links in a new window', $this->_slug ); ?></label>
</p>
<p>
<input class="checkbox" type="checkbox" value="true" id="<?php echo $this->get_field_id( 'showXavisysLink' ); ?>" name="<?php echo $this->get_field_name( 'showXavisysLink' ); ?>"<?php checked( $instance['showXavisysLink'], 'true' ); ?> />
<label for="<?php echo $this->get_field_id( 'showXavisysLink' ); ?>"><?php _e( 'Show Link to Twitter Widget Pro', $this->_slug ); ?></label>
</p>
<p><?php echo $wpTwitterWidget->getSupportForumLink(); ?></p>
<?php
return;
}
public function update( $new_instance, $old_instance ) {
$instance = $this->_getInstanceSettings( $new_instance );
// Clean up the free-form areas
$instance['title'] = stripslashes( $new_instance['title'] );
$instance['errmsg'] = stripslashes( $new_instance['errmsg'] );
// If the current user isn't allowed to use unfiltered HTML, filter it
if ( !current_user_can( 'unfiltered_html' ) ) {
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['errmsg'] = strip_tags( $new_instance['errmsg'] );
}
return $instance;
}
public function flush_widget_cache() {
wp_cache_delete( 'widget_twitter_widget_pro', 'widget' );
}
public function widget( $args, $instance ) {
$instance = $this->_getInstanceSettings( $instance );
$wpTwitterWidget = wpTwitterWidget::getInstance();
echo $wpTwitterWidget->display( wp_parse_args( $instance, $args ) );
}
}
/**
* wpTwitterWidget is the class that handles everything outside the widget. This
* includes filters that modify tweet content for things like linked usernames.
* It also helps us avoid name collisions.
*/
class wpTwitterWidget extends XavisysPlugin {
private $_api_url;
/**
* @var wpTwitterWidget - Static property to hold our singleton instance
*/
static $instance = false;
protected function _init() {
$this->_hook = 'twitterWidgetPro';
$this->_file = plugin_basename( __FILE__ );
$this->_pageTitle = __( 'Twitter Widget Pro', $this->_slug );
$this->_menuTitle = __( 'Twitter Widget', $this->_slug );
$this->_accessLevel = 'manage_options';
$this->_optionGroup = 'twp-options';
$this->_optionNames = array( 'twp' );
$this->_optionCallbacks = array();
$this->_slug = 'twitter-widget-pro';
$this->_paypalButtonId = '9993090';
/**
* Add filters and actions
*/
add_action( 'admin_init', array( $this, 'handle_actions' ) );
add_action( 'admin_notices', array( $this, 'show_messages' ) );
add_action( 'widgets_init', array( $this, 'register' ), 11 );
add_filter( 'widget_twitter_content', array( $this, 'linkTwitterUsers' ) );
add_filter( 'widget_twitter_content', array( $this, 'linkUrls' ) );
add_filter( 'widget_twitter_content', array( $this, 'linkHashtags' ) );
add_filter( 'widget_twitter_content', 'convert_chars' );
add_filter( $this->_slug .'-opt-twp', array( $this, 'filterSettings' ) );
add_shortcode( 'twitter-widget', array( $this, 'handleShortcodes' ) );
$twp_version = get_option( 'twp_version' );
if ( TWP_VERSION != $twp_version )
update_option( 'twp_version', TWP_VERSION );
}
protected function _postSettingsInit() {
if ( ! in_array( $this->_settings['twp']['http_vs_https'], array( 'http', 'https' ) ) )
$this->_settings['twp']['http_vs_https'] = 'https';
$this->_api_url = $this->_settings['twp']['http_vs_https'] . '://api.twitter.com/1/';
}
/**
* Function to instantiate our class and make it a singleton
*/
public static function getInstance() {
if ( !self::$instance )
self::$instance = new self;
return self::$instance;
}
public function get_slug() {
return $this->_slug;
}
public function handle_actions() {
if ( empty( $_GET['action'] ) || empty( $_GET['page'] ) || $_GET['page'] != $this->_hook )
return;
if ( 'clear-locks' == $_GET['action'] ) {
check_admin_referer( 'clear-locks' );
$redirect_args = array( 'message' => strtolower( $_GET['action'] ) );
global $wpdb;
$locks_q = "DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE '_transient_tlc_up__twp%'";
$redirect_args['locks_cleared'] = $wpdb->query( $locks_q );
wp_safe_redirect( add_query_arg( $redirect_args, remove_query_arg( array( 'action', '_wpnonce' ) ) ) );
exit;
}
}
public function show_messages() {
if ( ! empty( $_GET['message'] ) && 'clear-locks' == $_GET['message'] ) {
if ( empty( $_GET['locks_cleared'] ) || 0 == $_GET['locks_cleared'] )
$msg = __( 'There were no locks to clear!', $this->_slug );
else
$msg = sprintf( _n( 'Successfully cleared %d lock.', 'Successfully cleared %d locks.', $_GET['locks_cleared'], $this->_slug ), $_GET['locks_cleared'] );
echo "<div class='updated'>" . esc_html( $msg ) . '</div>';
}
}
public function addOptionsMetaBoxes() {
add_meta_box( $this->_slug . '-general-settings', __( 'General Settings', $this->_slug ), array( $this, 'generalSettingsMetaBox' ), 'xavisys-' . $this->_slug, 'main' );
add_meta_box( $this->_slug . '-defaults', __( 'Defaults', $this->_slug ), array( $this, 'defaultSettingsMetaBox' ), 'xavisys-' . $this->_slug, 'main' );
}
public function generalSettingsMetaBox() {
$clear_locks_url = wp_nonce_url( add_query_arg( array( 'action' => 'clear-locks' ) ), 'clear-locks' );
?>
<table class="form-table">
<tr valign="top">
<th scope="row">
<?php _e( "HTTP vs HTTPS:", $this->_slug );?>
</th>
<td>
<input class="checkbox" type="radio" value="https" id="twp_http_vs_https_https" name="twp[http_vs_https]"<?php checked( $this->_settings['twp']['http_vs_https'], 'https' ); ?> />
<label for="twp_http_vs_https_https"><?php _e( 'Use Twitter API via HTTPS', $this->_slug ); ?></label>
<br />
<input class="checkbox" type="radio" value="http" id="twp_http_vs_https_http" name="twp[http_vs_https]"<?php checked( $this->_settings['twp']['http_vs_https'], 'http' ); ?> />
<label for="twp_http_vs_https_http"><?php _e( 'Use Twitter API via HTTP', $this->_slug ); ?></label>
<br />
<small><?php _e( "Some servers seem to have issues connecting via HTTPS. If you're experiencing issues with your feed not updating, try setting this to HTTP.", $this->_slug ); ?></small>
</td>
</tr>
<tr>
<th scope="row">
<?php _e( "Clear Update Locks:", $this->_slug );?>
</th>
<td>
<a href="<?php echo esc_url( $clear_locks_url ); ?>"><?php _e( 'Clear Update Locks', $this->_slug ); ?></a><br />
<small><?php _e( "A small perecntage of servers seem to have issues where an update lock isn't getting cleared. If you're experiencing issues with your feed not updating, try clearing the update locks.", $this->_slug ); ?></small>
</td>
</tr>
</table>
<?php
}
public function defaultSettingsMetaBox() {
?>
<table class="form-table">
<tr valign="top">
<th scope="row">
<label for="twp_username"><?php _e( 'Twitter username:', $this->_slug ); ?></label>
</th>
<td>
<input id="twp_username" name="twp[username]" type="text" class="regular-text code" value="<?php esc_attr_e( $this->_settings['twp']['username'] ); ?>" size="40" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_title"><?php _e( 'Give the feed a title ( optional ):', $this->_slug ); ?></label>
</th>
<td>
<input id="twp_title" name="twp[title]" type="text" class="regular-text code" value="<?php esc_attr_e( $this->_settings['twp']['title'] ); ?>" size="40" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_items"><?php _e( 'How many items would you like to display?', $this->_slug ); ?></label>
</th>
<td>
<select id="twp_items" name="twp[items]">
<?php
for ( $i = 1; $i <= 20; ++$i ) {
echo "<option value='$i' ". selected( $this->_settings['twp']['items'], $i, false ). ">$i</option>";
}
?>
</select>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_avatar"><?php _e( 'Display profile image?', $this->_slug ); ?></label>
</th>
<td>
<select id="twp_avatar" name="twp[avatar]">
<option value=""<?php selected( $this->_settings['twp']['avatar'], '' ) ?>><?php _e( 'Do not show', $this->_slug ); ?></option>
<option value="mini"<?php selected( $this->_settings['twp']['avatar'], 'mini' ) ?>><?php _e( 'Mini - 24px by 24px', $this->_slug ); ?></option>
<option value="normal"<?php selected( $this->_settings['twp']['avatar'], 'normal' ) ?>><?php _e( 'Normal - 48px by 48px', $this->_slug ); ?></option>
<option value="bigger"<?php selected( $this->_settings['twp']['avatar'], 'bigger' ) ?>><?php _e( 'Bigger - 73px by 73px', $this->_slug ); ?></option>
<option value="original"<?php selected( $this->_settings['twp']['avatar'], 'original' ) ?>><?php _e( 'Original', $this->_slug ); ?></option>
</select>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_errmsg"><?php _e( 'What to display when Twitter is down ( optional ):', $this->_slug ); ?></label>
</th>
<td>
<input id="twp_errmsg" name="twp[errmsg]" type="text" class="regular-text code" value="<?php esc_attr_e( $this->_settings['twp']['errmsg'] ); ?>" size="40" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_fetchTimeOut"><?php _e( 'Number of seconds to wait for a response from Twitter ( default 2 ):', $this->_slug ); ?></label>
</th>
<td>
<input id="twp_fetchTimeOut" name="twp[fetchTimeOut]" type="text" class="regular-text code" value="<?php esc_attr_e( $this->_settings['twp']['fetchTimeOut'] ); ?>" size="40" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_showts"><?php _e( 'Show date/time of Tweet ( rather than 2 ____ ago ):', $this->_slug ); ?></label>
</th>
<td>
<select id="twp_showts" name="twp[showts]">
<option value="0" <?php selected( $this->_settings['twp']['showts'], '0' ); ?>><?php _e( 'Always', $this->_slug );?></option>
<option value="3600" <?php selected( $this->_settings['twp']['showts'], '3600' ); ?>><?php _e( 'If over an hour old', $this->_slug );?></option>
<option value="86400" <?php selected( $this->_settings['twp']['showts'], '86400' ); ?>><?php _e( 'If over a day old', $this->_slug );?></option>
<option value="604800" <?php selected( $this->_settings['twp']['showts'], '604800' ); ?>><?php _e( 'If over a week old', $this->_slug );?></option>
<option value="2592000" <?php selected( $this->_settings['twp']['showts'], '2592000' ); ?>><?php _e( 'If over a month old', $this->_slug );?></option>
<option value="31536000" <?php selected( $this->_settings['twp']['showts'], '31536000' ); ?>><?php _e( 'If over a year old', $this->_slug );?></option>
<option value="-1" <?php selected( $this->_settings['twp']['showts'], '-1' ); ?>><?php _e( 'Never', $this->_slug );?></option>
</select>
</td>
</tr>
<tr valign="top">
<th scope="row">
<label for="twp_dateFormat"><?php echo sprintf( __( 'Format to dispaly the date in, uses <a href="%s">PHP date()</a> format:', $this->_slug ), 'http://php.net/date' ); ?></label>
</th>
<td>
<input id="twp_dateFormat" name="twp[dateFormat]" type="text" class="regular-text code" value="<?php esc_attr_e( $this->_settings['twp']['dateFormat'] ); ?>" size="40" />
</td>
</tr>
<tr valign="top">
<th scope="row">
<?php _e( "Other Setting:", $this->_slug );?>
</th>
<td>
<input class="checkbox" type="checkbox" value="true" id="twp_showretweets" name="twp[showretweets]"<?php checked( $this->_settings['twp']['showretweets'], 'true' ); ?> />
<label for="twp_showretweets"><?php _e( 'Include retweets', $this->_slug ); ?></label>
<br />
<input class="checkbox" type="checkbox" value="true" id="twp_hidereplies" name="twp[hidereplies]"<?php checked( $this->_settings['twp']['hidereplies'], 'true' ); ?> />
<label for="twp_hidereplies"><?php _e( 'Hide @replies', $this->_slug ); ?></label>
<br />
<input class="checkbox" type="checkbox" value="true" id="twp_hidefrom" name="twp[hidefrom]"<?php checked( $this->_settings['twp']['hidefrom'], 'true' ); ?> />
<label for="twp_hidefrom"><?php _e( 'Hide sending applications', $this->_slug ); ?></label>
<br />
<input type="hidden" value="false" name="twp[showintents]" />
<input class="checkbox" type="checkbox" value="true" id="twp_showintents" name="twp[showintents]"<?php checked( $this->_settings['twp']['showintents'], 'true' ); ?> />
<label for="twp_showintents"><?php _e( 'Show Tweet Intents (reply, retweet, favorite)', $this->_slug ); ?></label>
<br />
<input type="hidden" value="false" name="twp[showfollow]" />
<input class="checkbox" type="checkbox" value="true" id="twp_showfollow" name="twp[showfollow]"<?php checked( $this->_settings['twp']['showfollow'], 'true' ); ?> />
<label for="twp_showfollow"><?php _e( 'Show Follow Link', $this->_slug ); ?></label>
<br />
<input class="checkbox" type="checkbox" value="true" id="twp_targetBlank" name="twp[targetBlank]"<?php checked( $this->_settings['twp']['targetBlank'], 'true' ); ?> />
<label for="twp_targetBlank"><?php _e( 'Open links in a new window', $this->_slug ); ?></label>
<br />
<input class="checkbox" type="checkbox" value="true" id="twp_showXavisysLink" name="twp[showXavisysLink]"<?php checked( $this->_settings['twp']['showXavisysLink'], 'true' ); ?> />
<label for="twp_showXavisysLink"><?php _e( 'Show Link to Twitter Widget Pro', $this->_slug ); ?></label>
</td>
</tr>
</table>
<?php
}
/**
* Replace @username with a link to that twitter user
*
* @param string $text - Tweet text
* @return string - Tweet text with @replies linked
*/
public function linkTwitterUsers( $text ) {
$text = preg_replace_callback('/(^|\s)@(\w+)/i', array($this, '_linkTwitterUsersCallback'), $text);
return $text;
}
private function _linkTwitterUsersCallback( $matches ) {
$linkAttrs = array(
'href' => 'http://twitter.com/' . urlencode( $matches[2] ),
'class' => 'twitter-user'
);
return $matches[1] . $this->_buildLink( '@'.$matches[2], $linkAttrs );
}
/**
* Replace #hashtag with a link to search.twitter.com for that hashtag
*
* @param string $text - Tweet text
* @return string - Tweet text with #hashtags linked
*/
public function linkHashtags( $text ) {
$text = preg_replace_callback('/(^|\s)(#\w*)/i', array($this, '_linkHashtagsCallback'), $text);
return $text;
}
/**
* Replace #hashtag with a link to search.twitter.com for that hashtag
*
* @param array $matches - Tweet text
* @return string - Tweet text with #hashtags linked
*/
private function _linkHashtagsCallback( $matches ) {
$linkAttrs = array(
'href' => 'http://search.twitter.com/search?q=' . urlencode( $matches[2] ),
'class' => 'twitter-hashtag'
);
return $matches[1] . $this->_buildLink( $matches[2], $linkAttrs );
}
/**
* Turn URLs into links
*
* @param string $text - Tweet text
* @return string - Tweet text with URLs repalced with links
*/
public function linkUrls( $text ) {
/**
* match protocol://address/path/file.extension?some=variable&another=asf%
* $1 is a possible space, this keeps us from linking href="[link]" etc
* $2 is the whole URL
* $3 is protocol://
* $4 is the URL without the protocol://
* $5 is the URL parameters
*/
$text = preg_replace_callback("/(^|\s)(([a-zA-Z]+:\/\/)([a-z][a-z0-9_\..-]*[a-z]{2,6})([a-zA-Z0-9~\/*-?&%]*))/i", array($this, '_linkUrlsCallback'), $text);
/**
* match www.something.domain/path/file.extension?some=variable&another=asf%
* $1 is a possible space, this keeps us from linking href="[link]" etc
* $2 is the whole URL that was matched. The protocol is missing, so we assume http://
* $3 is www.
* $4 is the URL matched without the www.
* $5 is the URL parameters
*/
$text = preg_replace_callback("/(^|\s)(www\.([a-z][a-z0-9_\..-]*[a-z]{2,6})([a-zA-Z0-9~\/*-?&%]*))/i", array($this, '_linkUrlsCallback'), $text);
return $text;
}
private function _linkUrlsCallback ( $matches ) {
$linkAttrs = array(
'href' => $matches[2]
);
return $matches[1] . $this->_buildLink( $matches[2], $linkAttrs );
}
private function _notEmpty( $v ) {
return !( empty( $v ) );
}
private function _buildLink( $text, $attributes = array(), $noFilter = false ) {
$attributes = array_filter( wp_parse_args( $attributes ), array( $this, '_notEmpty' ) );
$attributes = apply_filters( 'widget_twitter_link_attributes', $attributes );
$attributes = wp_parse_args( $attributes );
if ( strtolower( 'www' == substr( $attributes['href'], 0, 3 ) ) )
$attributes['href'] = 'http://' . $attributes['href'];
$text = apply_filters( 'widget_twitter_link_text', $text );
$link = '<a';
foreach ( $attributes as $name => $value ) {
$link .= ' ' . esc_attr( $name ) . '="' . esc_attr( $value ) . '"';
}
$link .= '>';
if ( $noFilter )
$link .= $text;
else
$link .= esc_html( $text );
$link .= '</a>';
return $link;
}
public function register() {
// Fix conflict with Jetpack by disabling their Twitter widget
unregister_widget( 'Wickett_Twitter_Widget' );
register_widget( 'WP_Widget_Twitter_Pro' );
}
public function targetBlank( $attributes ) {
$attributes['target'] = '_blank';
return $attributes;
}
public function display( $args ) {
$args = wp_parse_args( $args );
if ( 'true' == $args['targetBlank'] )
add_filter( 'widget_twitter_link_attributes', array( $this, 'targetBlank' ) );
// Validate our options
$args['items'] = (int) $args['items'];
if ( $args['items'] < 1 || 20 < $args['items'] )
$args['items'] = 10;
if ( !isset( $args['showts'] ) )
$args['showts'] = 86400;
$tweets = $this->_getTweets( $args );
if ( false === $tweets )
return '';
$widgetContent = $args['before_widget'] . '<div>';
if ( empty( $args['title'] ) )
$args['title'] = "Twitter: {$args['username']}";
$args['title'] = apply_filters( 'twitter-widget-title', $args['title'], $args );
$args['title'] = "<span class='twitterwidget twitterwidget-title'>{$args['title']}</span>";
$widgetContent .= $args['before_title'] . $args['title'] . $args['after_title'];
if ( !empty( $tweets[0] ) && !empty( $args['avatar'] ) ) {
$widgetContent .= '<div class="twitter-avatar">';
$widgetContent .= $this->_getProfileImage( $tweets[0]->user, $args );
$widgetContent .= '</div>';
}
$widgetContent .= '<ul>';
if ( ! is_array( $tweets ) || count( $tweets ) == 0 ) {
$widgetContent .= '<li class="wpTwitterWidgetEmpty">' . __( 'No Tweets Available', $this->_slug ) . '</li>';
} else {
$count = 0;
foreach ( $tweets as $tweet ) {
// Set our "ago" string which converts the date to "# ___(s) ago"
$tweet->ago = $this->_timeSince( strtotime( $tweet->created_at ), $args['showts'], $args['dateFormat'] );
$entryContent = apply_filters( 'widget_twitter_content', $tweet->text, $tweet );
$widgetContent .= '<li>';
$widgetContent .= "<span class='entry-content'>{$entryContent}</span>";
$widgetContent .= " <span class='entry-meta'>";
$widgetContent .= "<span class='time-meta'>";
$linkAttrs = array(
'href' => "http://twitter.com/{$tweet->user->screen_name}/statuses/{$tweet->id_str}"
);
$widgetContent .= $this->_buildLink( $tweet->ago, $linkAttrs );
$widgetContent .= '</span>';
if ( 'true' != $args['hidefrom'] ) {
$from = sprintf( __( 'from %s', $this->_slug ), str_replace( '&', '&amp;', $tweet->source ) );
$widgetContent .= " <span class='from-meta'>{$from}</span>";
}
if ( !empty( $tweet->in_reply_to_screen_name ) ) {
$rtLinkText = sprintf( __( 'in reply to %s', $this->_slug ), $tweet->in_reply_to_screen_name );
$widgetContent .= ' <span class="in-reply-to-meta">';
$linkAttrs = array(
'href' => "http://twitter.com/{$tweet->in_reply_to_screen_name}/statuses/{$tweet->in_reply_to_status_id_str}",
'class' => 'reply-to'
);
$widgetContent .= $this->_buildLink( $rtLinkText, $linkAttrs );
$widgetContent .= '</span>';
}
$widgetContent .= '</span>';
if ( 'true' == $args['showintents'] ) {
$widgetContent .= ' <span class="intent-meta">';
$lang = $this->_getTwitterLang();
if ( !empty( $lang ) )
$linkAttrs['data-lang'] = $lang;
$linkText = __( 'Reply', $this->_slug );
$linkAttrs['href'] = "http://twitter.com/intent/tweet?in_reply_to={$tweet->id_str}";
$linkAttrs['class'] = 'in-reply-to';
$linkAttrs['title'] = $linkText;
$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );
$linkText = __( 'Retweet', $this->_slug );
$linkAttrs['href'] = "http://twitter.com/intent/retweet?tweet_id={$tweet->id_str}";
$linkAttrs['class'] = 'retweet';
$linkAttrs['title'] = $linkText;
$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );
$linkText = __( 'Favorite', $this->_slug );
$linkAttrs['href'] = "http://twitter.com/intent/favorite?tweet_id={$tweet->id_str}";
$linkAttrs['class'] = 'favorite';
$linkAttrs['title'] = $linkText;
$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );
$widgetContent .= '</span>';
}
$widgetContent .= '</li>';
if ( ++$count >= $args['items'] )
break;
}
}
$widgetContent .= '</ul>';
if ( 'true' == $args['showfollow'] ) {
$widgetContent .= '<div class="follow-button">';
$linkText = "@{$args['username']}";
$linkAttrs = array(
'href' => "http://twitter.com/{$args['username']}",
'class' => 'twitter-follow-button',
'title' => sprintf( __( 'Follow %s', $this->_slug ), "@{$args['username']}" ),
);
$lang = $this->_getTwitterLang();
if ( !empty( $lang ) )
$linkAttrs['data-lang'] = $lang;
$widgetContent .= $this->_buildLink( $linkText, $linkAttrs );
$widgetContent .= '</div>';
}
if ( 'true' == $args['showXavisysLink'] ) {
$widgetContent .= '<div class="xavisys-link"><span class="xavisys-link-text">';
$linkAttrs = array(
'href' => 'http://bluedogwebservices.com/wordpress-plugin/twitter-widget-pro/',
'title' => __( 'Brought to you by BlueDog Web Services - A WordPress development company', $this->_slug )
);
$widgetContent .= __( 'Powered by', $this->_slug );
$widgetContent .= $this->_buildLink( 'WordPress Twitter Widget Pro', $linkAttrs );
$widgetContent .= '</span></div>';
}
$widgetContent .= '</div>' . $args['after_widget'];
if ( 'true' == $args['showintents'] || 'true' == $args['showfollow'] ) {
$script = 'http://platform.twitter.com/widgets.js';
if ( is_ssl() )
$script = str_replace( 'http://', 'https://', $script );
wp_enqueue_script( 'twitter-widgets', $script, array(), '1.0.0', true );
if ( ! function_exists( '_wp_footer_scripts' ) ) {
// This means we can't just enqueue our script (fixes in WP 3.3)
add_action( 'wp_footer', array( $this, 'add_twitter_js' ) );
}
}
return $widgetContent;
}
private function _getTwitterLang() {
$valid_langs = array(
'en', // English
'it', // Italian
'es', // Spanish
'fr', // French
'ko', // Korean
'ja', // Japanese
);
$locale = get_locale();
$lang = strtolower( substr( get_locale(), 0, 2 ) );
if ( in_array( $lang, $valid_langs ) )
return $lang;
return false;
}
public function add_twitter_js() {
wp_print_scripts( 'twitter-widgets' );
}
/**
* Gets tweets, from cache if possible
*
* @param array $widgetOptions - options needed to get feeds
* @return array - Array of objects
*/
private function _getTweets( $widgetOptions ) {
$key = 'twp_' . md5( $this->_getFeedUrl( $widgetOptions ) );
return tlc_transient( $key )
->expires_in( 300 ) // cache for 5 minutes
->updates_with( array( $this, 'parseFeed' ), array( $widgetOptions ) )
->get();
}
/**
* Pulls the JSON feed from Twitter and returns an array of objects
*
* @param array $widgetOptions - settings needed to get feed url, etc
* @return array
*/
public function parseFeed( $widgetOptions ) {
$feedUrl = $this->_getFeedUrl( $widgetOptions );
$resp = wp_remote_request( $feedUrl, array( 'timeout' => $widgetOptions['fetchTimeOut'] ) );
if ( !is_wp_error( $resp ) && $resp['response']['code'] >= 200 && $resp['response']['code'] < 300 ) {
$decodedResponse = json_decode( $resp['body'] );
if ( empty( $decodedResponse ) || ! is_array( $decodedResponse ) ) {
if ( empty( $widgetOptions['errmsg'] ) )
$widgetOptions['errmsg'] = __( 'Invalid Twitter Response.', $this->_slug );
} elseif( !empty( $decodedResponse->error ) ) {
if ( empty( $widgetOptions['errmsg'] ) )
$widgetOptions['errmsg'] = $decodedResponse->error;
} else {
return $decodedResponse;
}
} else {
// Failed to fetch url;
if ( empty( $widgetOptions['errmsg'] ) )
$widgetOptions['errmsg'] = __( 'Could not connect to Twitter', $this->_slug );
}
do_action( 'widget_twitter_parsefeed_error', $resp, $feedUrl, $widgetOptions );
throw new Exception( $widgetOptions['errmsg'] );
}
/**
* Gets the URL for the desired feed.
*
* @param array $widgetOptions - settings needed such as username, feet type, etc
* @param string[optional] $type - 'rss' or 'json'
* @param bool[optional] $count - If true, it adds the count parameter to the URL
* @return string - Twitter feed URL
*/
private function _getFeedUrl( $widgetOptions, $type = 'json', $count = true ) {
if ( !in_array( $type, array( 'rss', 'json' ) ) )
$type = 'json';
$req = $this->_api_url . "statuses/user_timeline.{$type}";
/**
* user_id
* screen_name *
* since_id
* count
* max_id
* page
* trim_user
* include_rts *
* include_entities
* exclude_replies *
* contributor_details
*/
$req = add_query_arg( array( 'screen_name' => $widgetOptions['username'] ), $req );
if ( $count )
$req = add_query_arg( array( 'count' => $widgetOptions['items'] ), $req );
if ( 'true' == $widgetOptions['hidereplies'] )
$req = add_query_arg( array( 'exclude_replies' => 'true' ), $req );
if ( 'true' == $widgetOptions['showretweets'] )
$req = add_query_arg( array( 'include_rts' => 'true' ), $req );
return $req;
}
/**
* Twitter displays all tweets that are less than 24 hours old with
* something like "about 4 hours ago" and ones older than 24 hours with a
* time and date. This function allows us to simulate that functionality,
* but lets us choose where the dividing line is.
*
* @param int $startTimestamp - The timestamp used to calculate time passed
* @param int $max - Max number of seconds to conver to "ago" messages. 0 for all, -1 for none
* @return string
*/
private function _timeSince( $startTimestamp, $max, $dateFormat ) {
// array of time period chunks
$chunks = array(
'year' => 60 * 60 * 24 * 365, // 31,536,000 seconds
'month' => 60 * 60 * 24 * 30, // 2,592,000 seconds
'week' => 60 * 60 * 24 * 7, // 604,800 seconds
'day' => 60 * 60 * 24, // 86,400 seconds
'hour' => 60 * 60, // 3600 seconds
'minute' => 60, // 60 seconds
'second' => 1 // 1 second
);
$since = time() - $startTimestamp;
if ( $max != '-1' && $since >= $max )
return date_i18n( $dateFormat, $startTimestamp );
foreach ( $chunks as $key => $seconds ) {
// finding the biggest chunk ( if the chunk fits, break )
if ( ( $count = floor( $since / $seconds ) ) != 0 )
break;
}
$messages = array(
'year' => _n( 'about %s year ago', 'about %s years ago', $count, $this->_slug ),
'month' => _n( 'about %s month ago', 'about %s months ago', $count, $this->_slug ),
'week' => _n( 'about %s week ago', 'about %s weeks ago', $count, $this->_slug ),
'day' => _n( 'about %s day ago', 'about %s days ago', $count, $this->_slug ),
'hour' => _n( 'about %s hour ago', 'about %s hours ago', $count, $this->_slug ),
'minute' => _n( 'about %s minute ago', 'about %s minutes ago', $count, $this->_slug ),
'second' => _n( 'about %s second ago', 'about %s seconds ago', $count, $this->_slug ),
);
return sprintf( $messages[$key], $count );
}
/**
* Returns the Twitter user's profile image, linked to that user's profile
*
* @param object $user - Twitter User
* @param array $args - Widget Arguments
* @return string - Linked image ( XHTML )
*/
private function _getProfileImage( $user, $args = array() ) {
$linkAttrs = array(
'href' => "http://twitter.com/{$user->screen_name}",
'title' => $user->name
);
$img = $this->_api_url . 'users/profile_image';
$img = add_query_arg( array( 'screen_name' => $user->screen_name ), $img );
$img = add_query_arg( array( 'size' => $args['avatar'] ), $img );
return $this->_buildLink( "<img alt='{$user->name}' src='{$img}' />", $linkAttrs, true );
}
/**
* Replace our shortCode with the "widget"
*
* @param array $attr - array of attributes from the shortCode
* @param string $content - Content of the shortCode
* @return string - formatted XHTML replacement for the shortCode
*/
public function handleShortcodes( $attr, $content = '' ) {
$defaults = array(
'before_widget' => '',
'after_widget' => '',
'before_title' => '<h2>',
'after_title' => '</h2>',
'title' => '',
'errmsg' => '',
'fetchTimeOut' => '2',
'username' => '',
'hidereplies' => 'false',
'showretweets' => 'true',
'hidefrom' => 'false',
'showintents' => 'true',
'showfollow' => 'true',
'avatar' => '',
'showXavisysLink' => 'false',
'targetBlank' => 'false',
'items' => 10,
'showts' => 60 * 60 * 24,
'dateFormat' => __( 'h:i:s A F d, Y', $this->_slug ),
);
/**
* Attribute names are strtolower'd, so we need to fix them to match
* the names used through the rest of the plugin
*/
if ( array_key_exists( 'fetchtimeout', $attr ) ) {
$attr['fetchTimeOut'] = $attr['fetchtimeout'];
unset( $attr['fetchtimeout'] );
}
if ( array_key_exists( 'showxavisyslink', $attr ) ) {
$attr['showXavisysLink'] = $attr['showxavisyslink'];
unset( $attr['showxavisyslink'] );
}
if ( array_key_exists( 'targetblank', $attr ) ) {
$attr['targetBlank'] = $attr['targetblank'];
unset( $attr['targetblank'] );
}
if ( array_key_exists( 'dateformat', $attr ) ) {
$attr['dateFormat'] = $attr['dateformat'];
unset( $attr['dateformat'] );
}
if ( !empty( $content ) && empty( $attr['title'] ) )
$attr['title'] = $content;
$attr = shortcode_atts( $defaults, $attr );
if ( $attr['hidereplies'] && $attr['hidereplies'] != 'false' && $attr['hidereplies'] != '0' )
$attr['hidereplies'] = 'true';
if ( $attr['showretweets'] && $attr['showretweets'] != 'false' && $attr['showretweets'] != '0' )
$attr['showretweets'] = 'true';
if ( $attr['hidefrom'] && $attr['hidefrom'] != 'false' && $attr['hidefrom'] != '0' )
$attr['hidefrom'] = 'true';
if ( $attr['showintents'] && $attr['showintents'] != 'true' && $attr['showintents'] != '1' )
$attr['showintents'] = 'false';
if ( $attr['showfollow'] && $attr['showfollow'] != 'true' && $attr['showfollow'] != '1' )
$attr['showfollow'] = 'false';
if ( !in_array( $attr['avatar'], array( 'bigger', 'normal', 'mini', 'original', '' ) ) )
$attr['avatar'] = 'normal';
if ( $attr['showXavisysLink'] && $attr['showXavisysLink'] != 'false' && $attr['showXavisysLink'] != '0' )
$attr['showXavisysLink'] = 'true';
if ( $attr['targetBlank'] && $attr['targetBlank'] != 'false' && $attr['targetBlank'] != '0' )
$attr['targetBlank'] = 'true';
return $this->display( $attr );
}
public function filterSettings( $settings ) {
$defaultArgs = array(
'title' => '',
'errmsg' => '',
'fetchTimeOut' => '2',
'username' => '',
'http_vs_https' => 'https',
'hidereplies' => 'false',
'showretweets' => 'true',
'hidefrom' => 'false',
'showintents' => 'true',
'showfollow' => 'true',
'avatar' => '',
'showXavisysLink' => 'false',
'targetBlank' => 'false',
'items' => 10,
'showts' => 60 * 60 * 24,
'dateFormat' => __( 'h:i:s A F d, Y', $this->_slug ),
);
return $this->fixAvatar( wp_parse_args( $settings, $defaultArgs ) );
}
/**
* Now that we support all the profile image sizes we need to convert
* the old true/false to a size string
*/
private function fixAvatar( $settings ) {
if ( false === $settings['avatar'] )
$settings['avatar'] = '';
elseif ( !in_array( $settings['avatar'], array( 'bigger', 'normal', 'mini', 'original', false ) ) )
$settings['avatar'] = 'normal';
return $settings;
}
public function getSettings( $settings ) {
return $this->fixAvatar( wp_parse_args( $settings, $this->_settings['twp'] ) );
}
}
// Instantiate our class
$wpTwitterWidget = wpTwitterWidget::getInstance();