<?php

/*

Plugin Name: xili-language widget

Plugin URI: http://dev.xiligroup.com/xili-language/

Description: This plugin is a part of xili-language plugin. Add a optional widgets to display list of languages in the sidebar or recent comments and recents posts (since 2.8.0)

Author: dev.xiligroup.com - MS

Version: 1.4.1

Author URI: http://dev.xiligroup.com

*/

# 100219 - add new widget recent posts if WP >= 2.8.0

# 090606 - xili-language list widget is now multiple and more features

# 090518 - new widget for recent comments

# 090404 - new registering way.

# 090325 - better options record.

/*  thanks to http://blog.zen-dreams.com/ tutorial

	Copyright 2009-10  dev.xiligroup.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

*/

/**

 * Recent_Posts widget class

 * rewritten from default WP widget to suppress wp_reset_query and add sub-selection by language (current or forced) 

 * @since 1.4.0 

 */

class xili_Widget_Recent_Posts extends WP_Widget {

	function xili_Widget_Recent_Posts() {

		$widget_ops = array('classname' => 'xili_widget_recent_entries', 'description' => __( "The most recent posts on your blog by xili-language",'xili-language-widget') );

		$this->WP_Widget('xili-recent-posts', __('List of recent posts','xili-language-widget'), $widget_ops);

		$this->alt_option_name = 'xili_widget_recent_entries';

		add_action( 'save_post', array(&$this, 'flush_widget_cache') );

		add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );

		add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );

	}

	function widget($args, $instance) {

		$cache = wp_cache_get('xili_widget_recent_posts', 'widget');

		if ( !is_array($cache) )

			$cache = array();

		if ( isset($cache[$args['widget_id']]) ) {

			echo $cache[$args['widget_id']];

			return;

		}

		ob_start();

		extract($args);

		$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title']);

		if ( !$number = (int) $instance['number'] )

			$number = 10;

		else if ( $number < 1 )

			$number = 1;

		else if ( $number > 15 )

			$number = 15;

		$the_lang =	$instance['the_lang'];

		if (class_exists('xili_language')) {

			global $wp_query;

			$tmp_query = $wp_query->query_vars[QUETAG] ; $wp_query->query_vars[QUETAG] = "";

			if ($the_lang == '') 

				$thequery = array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1);

			else if ($the_lang == '*')	

			 	$thequery = array ('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish',  'caller_get_posts' => 1, QUETAG => the_curlang());

			else

				$thequery = array ('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish',  'caller_get_posts' => 1, QUETAG => $the_lang); 	

			add_action('parse_query','xiliml_add_lang_to_parsed_query');

			$r = new WP_Query($thequery);

			remove_filter('parse_query','xiliml_add_lang_to_parsed_query');

			$wp_query->query_vars[QUETAG] = $tmp_query;

		} else {

			$thequery = array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1);

			$r = new WP_Query($thequery);

		}

		if ($r->have_posts()) :

?>

		<?php echo $before_widget; ?>

		<?php if ( $title ) echo $before_title . $title . $after_title; ?>

		<ul>

		<?php  while ($r->have_posts()) : $r->the_post(); ?>

		<li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?> </a></li>

		<?php endwhile; ?>

		</ul>

		<?php echo $after_widget; ?>

<?php

			//wp_reset_query();  // Restore global post data stomped by the_post().

		endif;

		$cache[$args['widget_id']] = ob_get_flush();

		wp_cache_add('xili_widget_recent_posts', $cache, 'widget');

	}

	function update( $new_instance, $old_instance ) {

		$instance = $old_instance;

		$instance['title'] = strip_tags($new_instance['title']);

		$instance['the_lang'] = strtolower($new_instance['the_lang']);

		$instance['number'] = (int) $new_instance['number'];

		$this->flush_widget_cache();

		$alloptions = wp_cache_get( 'alloptions', 'options' );

		if ( isset($alloptions['xili_widget_recent_entries']) )

			delete_option('xili_widget_recent_entries');

		return $instance;

	}

	function flush_widget_cache() {

		wp_cache_delete('xili_widget_recent_posts', 'widget');

	}

	function form( $instance ) {

		$title = isset($instance['title']) ? esc_attr($instance['title']) : '';

		$the_lang = isset($instance['the_lang']) ? strtolower($instance['the_lang']) : '';

		if ( !isset($instance['number']) || !$number = (int) $instance['number'] )

			$number = 5;

?>

		<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>

		<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>

		<?php if (class_exists('xili_language')) { global $xili_language; ?>

		<p>

			<label for="<?php echo $this->get_field_id('the_lang'); ?>"><?php _e('Language:','xili-language-widget'); ?></label>

			<select name="<?php echo $this->get_field_name('the_lang'); ?>" id="<?php echo $this->get_field_id('the_lang'); ?>" class="widefat">

				<option value=""<?php selected( $instance['the_lang'], '' ); ?>><?php _e('All languages','xili-language-widget'); ?></option>

				<option value="*"<?php selected( $instance['the_lang'], '*' ); ?>><?php _e('Current language','xili-language-widget'); ?></option>

				<?php $listlanguages = get_terms_of_groups_lite ($xili_language->langs_group_id,TAXOLANGSGROUP,TAXONAME,'ASC');

					foreach ($listlanguages as $language) { ?>

					<option value="<?php echo $language->slug ?>"<?php selected( $instance['the_lang'], $language->slug ); ?>><?php _e($language->description,'xili-language-widget'); ?></option>	

					<?php } /* end */

				?>

			</select>

		</p>

		<?php } ?>

		<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label>

		<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /><br />

		<small><?php _e('(at most 15)'); ?></small></p>

		<p><small>© xili-language</small></p>

<?php

	}

}

/*

 * Adapted Recent Comments Widget (original in widget.php is not multilingual ready)

 *

 *@since 0.9.9.4

 *

 *

 */

class xili_recent_comments_Widget {

	function xili_recent_comments_Widget() {

		load_plugin_textdomain('xili-language-widget',PLUGINDIR.'/'.dirname(plugin_basename(__FILE__)), dirname(plugin_basename(__FILE__)));

		add_action('widgets_init', array(&$this, 'init_widget'));

	}

	function init_widget() {

		if ( !function_exists('wp_register_sidebar_widget') || !function_exists('wp_register_widget_control') )

			return;

		$widget_ops = array('classname' => 'xili-language_recent_comments_Widget', 'description' => __( "List of recent comments by xili-language plugin",'xili-language-widget') );

		wp_register_sidebar_widget('xili-language_recent_comments_Widget',__('List of recent comments','xili-language-widget'),array(&$this, 'widget'),$widget_ops);

	 	wp_register_widget_control('xili-language_recent_comments_Widget',__('List of recent comments','xili-language-widget'),array(&$this, 'widget_options'),$widget_ops);

	}

	function widget($args) {

		global $comments, $comment;

		extract($args, EXTR_SKIP);

		$options = get_option('xili_language_recent_comments');

		$title = empty($options['title']) ? __('Recent Comments',THEME_TEXTDOMAIN) : apply_filters('widget_title', $options['title']);

		if ( !$number = (int) $options['number'] )

			$number = 5;

		else if ( $number < 1 )

			$number = 1;

		else if ( $number > 15 )

			$number = 15;

	/* if xili-language plugin is activated */

		if (function_exists('xiliml_recent_comments'))

			$comments = xiliml_recent_comments($number);

	/* */	

		echo $before_widget; ?>

				<?php echo $before_title . $title . $after_title; ?>

				<ul id="recentcomments"><?php

				if ( $comments ) : foreach ( (array) $comments as $comment) :

				echo  '<li class="recentcomments">' . sprintf(__('%1$s on %2$s',THEME_TEXTDOMAIN), get_comment_author_link(), '<a href="' . clean_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a>') . '</li>';

				endforeach; endif;?></ul>

			<?php echo $after_widget;

	}

	function widget_options() {

		$options = $newoptions = get_option('xili_language_recent_comments');

		if ( isset($_POST["xl_recent-comments-submit"]) ) {

			$newoptions['title'] = strip_tags(stripslashes($_POST["xl_recent-comments-title"]));

			$newoptions['number'] = (int) $_POST["xl_recent-comments-number"];

		}

		if ( $options != $newoptions ) {

			$options = $newoptions;

			update_option('xili_language_recent_comments', $options);

			wp_delete_recent_comments_cache();

		}

		$title = attribute_escape($options['title']);

		if ( !$number = (int) $options['number'] )

			$number = 5;

		?>

				<p><label for="xl_recent-comments-title"><?php _e('Title:'); ?> <input class="widefat" id="xl_recent-comments-title" name="xl_recent-comments-title" type="text" value="<?php echo $title; ?>" /></label></p>

				<p>

					<label for="xl_recent-comments-number"><?php _e('Number of comments to show:'); ?> <input style="width: 25px; text-align: center;" id="xl_recent-comments-number" name="xl_recent-comments-number" type="text" value="<?php echo $number; ?>" /></label>

					<br />

					<small><?php _e('(at most 15)'); ?></small>

				</p>

				<input type="hidden" id="xl_recent-comments-submit" name="xl_recent-comments-submit" value="1" />

		<?php

		}	

}

/*

 * class for multiple xili-language widgets

 * @since 0.9.9.6  

 *

 */

class xili_language_Widgets {

	function xili_language_Widgets () {

		load_plugin_textdomain('xili-language-widget',PLUGINDIR.'/'.dirname(plugin_basename(__FILE__)), dirname(plugin_basename(__FILE__)));

		add_action('widgets_init', array(&$this, 'init_widget'));

	}

	function init_widget() {

		if ( !function_exists('wp_register_sidebar_widget') || !function_exists('wp_register_widget_control') )

			return;

		if (!$options = get_option('xili_language_widgets_options'))

			$options = array();

		$widget_ops = array('classname' => 'xili-language_Widgets', 'description' => __( "List of available languages by xili-language plugin",'xili-language-widget') );

		$control_ops = array('id_base' => 'xili_language_widgets');

		$name = __('Languages list','xili-language-widget');

		$id = false;

		foreach ( (array) array_keys($options) as $o ) {

			$id = "xili_language_widgets-$o"; // Never never never translate an id

			wp_register_sidebar_widget($id, $name, array(&$this, 'widget'), $widget_ops, array( 'number' => $o ));

			wp_register_widget_control($id, $name, array(&$this, 'widget_options'), $control_ops, array( 'number' => $o ));

		}

		// If there are none, we register the widget's existance with a generic template

		if ( !$id ) {

			wp_register_sidebar_widget( 'xili_language_widgets-1', $name, array(&$this, 'widget'), $widget_ops, array( 'number' => -1 ) );

			wp_register_widget_control( 'xili_language_widgets-1', $name, array(&$this, 'widget_options'), $control_ops, array( 'number' => -1 ) );

		}

	}

	function widget($args, $widget_args = 1) {

		global $wpdb;

		$options = get_option('xili_language_widgets_options');

		extract($args);

		if ( is_numeric($widget_args) )

			$widget_args = array( 'number' => $widget_args );

		$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );

		extract( $widget_args, EXTR_SKIP );

		if ( !isset($options[$number]) )

			return;

		if 	("" != $options[$number]['title']) {

			echo $before_widget.$before_title.__($options[$number]['title'],THEME_TEXTDOMAIN).$after_title;

		} else {

			echo $before_widget.$before_title.$aftertitle;

		}

		if (isset($options[$number]['beforelist'])) {

			$beforelist = stripslashes($options[$number]['beforelist']);

			$afterlist = stripslashes($options[$number]['afterlist']);

		} else {

			$beforelist = "<ul class='xililanguagelist'>";

			$afterlist = '</ul>';

		}

		if (isset($options[$number]['beforeline'])) {

			$beforeline = stripslashes($options[$number]['beforeline']);

			$afterline = stripslashes($options[$number]['afterline']);

		} else {

			$beforeline = '<li>';

			$afterline = '</li>';

		}

		$theoption = $options[$number]['theoption'];

		if (function_exists('xili_language_list')) { 

			echo $beforelist;

				xili_language_list($beforeline, $afterline, $theoption);

			echo $afterlist;

			}

		echo $after_widget;

	}

	function widget_options($widget_args) {

		if ( is_numeric($widget_args) )

			$widget_args = array( 'number' => $widget_args );

		$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );

		extract( $widget_args, EXTR_SKIP );

		$options = get_option('xili_language_widgets_options');

		if (!is_array($options)) 

			$options = array();

		if ( !$updated && !empty($_POST['sidebar']) ) {

			$sidebar = (string) $_POST['sidebar'];

			$sidebars_widgets = wp_get_sidebars_widgets();

			if ( isset($sidebars_widgets[$sidebar]) )

				$this_sidebar =& $sidebars_widgets[$sidebar];

			else

				$this_sidebar = array();

			foreach ( (array) $this_sidebar as $_widget_id ) {

				if ( 'xili-language_widgets' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {

					$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];

					if ( !in_array( "xili-language_widgets-$widget_number", $_POST['widget-id'] ) ) // the widget has been removed.

					  	unset($options[$widget_number]);

				}

			}

			foreach ( (array) $_POST['xili-language_Widgets'] as $widget_number => $widget_text ) {

				if (isset($widget_text['submit'])) {

					$options[$widget_number]['title'] = strip_tags(stripslashes($widget_text['title']));

					$options[$widget_number]['beforelist'] = $widget_text['beforelist'] ;

					$options[$widget_number]['beforeline'] = $widget_text['beforeline'] ;

					$options[$widget_number]['afterline'] = $widget_text['afterline'] ;

					$options[$widget_number]['afterlist'] = $widget_text['afterlist'] ;

					$options[$widget_number]['theoption'] = strip_tags(stripslashes($widget_text['theoption'])) ;

				}

			}

				update_option('xili_language_widgets_options',$options);

				$updated = true;

		}

		$options = get_option('xili_language_widgets_options');

		if ( -1 == $number ) {

			$title = '';

			$number = '%i%';

			$beforelist = "<ul class='xililanguagelist'>";

			$afterlist = '</ul>';

			$beforeline = '<li>';

			$afterline = '</li>';

			$theoption = '';

		} else {

			$title = attribute_escape($options[$number]['title']);

			$beforelist = htmlentities(stripslashes($options[$number]['beforelist']));

			$beforeline =  htmlentities(stripslashes($options[$number]['beforeline']));

			$afterline =  htmlentities(stripslashes($options[$number]['afterline']));