widgets.php

<?php

class Custom_WP_Widget_Text extends WP_Widget {

	function Custom_WP_Widget_Text() {
		$widget_ops = array('classname' => 'widget_text', 'description' => __('Custom Arbitrary text or HTML'));
		$control_ops = array('width' => 400, 'height' => 350);
		$this->WP_Widget('text', __('Text'), $widget_ops, $control_ops);
	}

	function widget( $args, $instance ) {
		extract($args);
		$title = apply_filters( 'widget_title', empty($instance['title']) ? '' : $instance['title'], $instance, $this->id_base);
		$text = apply_filters( 'widget_text', $instance['text'], $instance );
		echo $before_widget;
		if ( !empty( $title ) ) { echo $before_title . $title . $after_title; } ?>
			<?php echo $instance['filter'] ? wpautop($text) : $text; ?>
		<?php
		echo $after_widget;
	}

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		if ( current_user_can('unfiltered_html') )
			$instance['text'] =  $new_instance['text'];
		else
			$instance['text'] = stripslashes( wp_filter_post_kses( addslashes($new_instance['text']) ) ); // wp_filter_post_kses() expects slashed
		$instance['filter'] = isset($new_instance['filter']);
		return $instance;
	}

	function form( $instance ) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'text' => '' ) );
		$title = strip_tags($instance['title']);
		$text = format_to_edit($instance['text']);
?>
		<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 $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>

		<textarea class="widefat" rows="16" cols="20" id="<?php echo $this->get_field_id('text'); ?>" name="<?php echo $this->get_field_name('text'); ?>"><?php echo $text; ?></textarea>

		<p><input id="<?php echo $this->get_field_id('filter'); ?>" name="<?php echo $this->get_field_name('filter'); ?>" type="checkbox" <?php checked(isset($instance['filter']) ? $instance['filter'] : 0); ?> />&nbsp;<label for="<?php echo $this->get_field_id('filter'); ?>"><?php _e('Automatically add paragraphs'); ?></label></p>
<?php
	}
}


class Custom_WP_Widget_Categories extends WP_Widget {

	function Custom_WP_Widget_Categories() {
		$widget_ops = array( 'classname' => 'widget_categories', 'description' => __( "Custom A list or dropdown of categories" ) );
		$this->WP_Widget('categories', __('Categories'), $widget_ops);
	}

	function widget( $args, $instance ) {
		extract( $args );

		$title = apply_filters('widget_title', empty( $instance['title'] ) ? __( 'Categories' ) : $instance['title'], $instance, $this->id_base);
		$c = $instance['count'] ? '1' : '0';
		$h = $instance['hierarchical'] ? '1' : '0';
		$d = $instance['dropdown'] ? '1' : '0';

		echo $before_widget;
		
		$title = str_replace('{','<span>',$title);
		$title = str_replace('}','</span>',$title);
		
		if ( $title )
			echo $before_title . $title . $after_title;

		$cat_args = array('orderby' => 'name', 'show_count' => $c, 'hierarchical' => $h);

		if ( $d ) {
			$cat_args['show_option_none'] = __('Select Category');
			wp_dropdown_categories(apply_filters('widget_categories_dropdown_args', $cat_args));
?>

<script type='text/javascript'>
/* <![CDATA[ */
	var dropdown = document.getElementById("cat");
	function onCatChange() {
		if ( dropdown.options[dropdown.selectedIndex].value > 0 ) {
			location.href = "<?php echo home_url(); ?>/?cat="+dropdown.options[dropdown.selectedIndex].value;
		}
	}
	dropdown.onchange = onCatChange;
/* ]]> */
</script>

<?php
		} else {
?>
		<ul class="accordion">
<?php
		$cat_args['title_li'] = '';
		custom_wp_list_categories(apply_filters('widget_categories_args', $cat_args));
?>
		</ul>
<?php
		}

		echo $after_widget;
	}

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['count'] = !empty($new_instance['count']) ? 1 : 0;
		$instance['hierarchical'] = !empty($new_instance['hierarchical']) ? 1 : 0;
		$instance['dropdown'] = !empty($new_instance['dropdown']) ? 1 : 0;

		return $instance;
	}

	function form( $instance ) {
		//Defaults
		$instance = wp_parse_args( (array) $instance, array( 'title' => '') );
		$title = esc_attr( $instance['title'] );
		$count = isset($instance['count']) ? (bool) $instance['count'] :false;
		$hierarchical = isset( $instance['hierarchical'] ) ? (bool) $instance['hierarchical'] : false;
		$dropdown = isset( $instance['dropdown'] ) ? (bool) $instance['dropdown'] : false;
?>
		<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>

		<p><input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('dropdown'); ?>" name="<?php echo $this->get_field_name('dropdown'); ?>"<?php checked( $dropdown ); ?> />
		<label for="<?php echo $this->get_field_id('dropdown'); ?>"><?php _e( 'Show as dropdown' ); ?></label><br />

		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>"<?php checked( $count ); ?> />
		<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e( 'Show post counts' ); ?></label><br />

		<input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('hierarchical'); ?>" name="<?php echo $this->get_field_name('hierarchical'); ?>"<?php checked( $hierarchical ); ?> />
		<label for="<?php echo $this->get_field_id('hierarchical'); ?>"><?php _e( 'Show hierarchy' ); ?></label></p>
<?php
	}

}

class Custom_WP_Widget_Tag_Cloud extends WP_Widget {

	function Custom_WP_Widget_Tag_Cloud() {
		$widget_ops = array( 'description' => __( "Custom Your most used tags in cloud format") );
		$this->WP_Widget('tag_cloud', __('Tag Cloud'), $widget_ops);
	}

	function widget( $args, $instance ) {
		extract($args);
		$current_taxonomy = $this->_get_current_taxonomy($instance);
		if ( !empty($instance['title']) ) {
			$title = $instance['title'];
		} else {
			if ( 'post_tag' == $current_taxonomy ) {
				$title = __('Tags');
			} else {
				$tax = get_taxonomy($current_taxonomy);
				$title = $tax->labels->name;
			}
		}
		$title = apply_filters('widget_title', $title, $instance, $this->id_base);

		echo $before_widget;
		if ( $title ) {
			$title = str_replace('{','<span>',$title);
			$title = str_replace('}','</span>',$title);
			echo $before_title . $title . $after_title;
		}
		//echo '<ul class="tags">';
		custom_wp_tag_cloud( apply_filters('widget_tag_cloud_args', array('taxonomy' => $current_taxonomy, 'number' => 20, 'format' => 'list') ) );
		//echo "</ul>";
		echo $after_widget;
	}

	function update( $new_instance, $old_instance ) {
		$instance['title'] = strip_tags(stripslashes($new_instance['title']));
		$instance['taxonomy'] = stripslashes($new_instance['taxonomy']);
		return $instance;
	}

	function form( $instance ) {
		$current_taxonomy = $this->_get_current_taxonomy($instance);
?>
	<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:') ?></label>
	<input type="text" class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php if (isset ( $instance['title'])) {echo esc_attr( $instance['title'] );} ?>" /></p>
	<p><label for="<?php echo $this->get_field_id('taxonomy'); ?>"><?php _e('Taxonomy:') ?></label>
	<select class="widefat" id="<?php echo $this->get_field_id('taxonomy'); ?>" name="<?php echo $this->get_field_name('taxonomy'); ?>">
	<?php foreach ( get_object_taxonomies('post') as $taxonomy ) :
				$tax = get_taxonomy($taxonomy);
				if ( !$tax->show_tagcloud || empty($tax->labels->name) )
					continue;
	?>
		<option value="<?php echo esc_attr($taxonomy) ?>" <?php selected($taxonomy, $current_taxonomy) ?>><?php echo $tax->labels->name; ?></option>
	<?php endforeach; ?>
	</select></p><?php
	}

	function _get_current_taxonomy($instance) {
		if ( !empty($instance['taxonomy']) && taxonomy_exists($instance['taxonomy']) )
			return $instance['taxonomy'];

		return 'post_tag';
	}
}

class Custom_WP_Widget_Recent_Comments extends WP_Widget {

	function Custom_WP_Widget_Recent_Comments() {
		$widget_ops = array('classname' => 'widget_recent_comments', 'description' => __( 'Custom The most recent comments' ) );
		$this->WP_Widget('recent-comments', __('Recent Comments'), $widget_ops);
		$this->alt_option_name = 'widget_recent_comments';

		if ( is_active_widget(false, false, $this->id_base) )
			add_action( 'wp_head', array(&$this, 'recent_comments_style') );

		add_action( 'comment_post', array(&$this, 'flush_widget_cache') );
		add_action( 'transition_comment_status', array(&$this, 'flush_widget_cache') );
	}

	function recent_comments_style() { ?>
	<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>
<?php
	}

	function flush_widget_cache() {
		wp_cache_delete('widget_recent_comments', 'widget');
	}

	function widget( $args, $instance ) {
		global $comments, $comment;

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

		if ( ! is_array( $cache ) )
			$cache = array();

		if ( isset( $cache[$args['widget_id']] ) ) {
			echo $cache[$args['widget_id']];
			return;
		}

 		extract($args, EXTR_SKIP);
 		$output = '';
 		$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Comments') : $instance['title']);

		if ( ! $number = (int) $instance['number'] )
 			$number = 5;
 		else if ( $number < 1 )
 			$number = 1;

		$comments = get_comments( array( 'number' => $number, 'status' => 'approve' ) );
		$output .= $before_widget;
		if ( $title ) {
			$title = str_replace('{','<span>',$title);
			$title = str_replace('}','</span>',$title);
			$output .= $before_title . $title . $after_title;
		}
			

		$output .= '<ul class="comments-list hfeed">';
		if ( $comments ) {
			foreach ( (array) $comments as $comment) {
				$output .=  '<li class="hentry"><blockquote><p><a href="' . esc_url( get_comment_link($comment->comment_ID) ) . '">' . get_the_title($comment->comment_post_ID) . '</a></p></blockquote></li>';
			}
 		}
		$output .= '</ul>';
		$output .= $after_widget;

		echo $output;
		$cache[$args['widget_id']] = $output;
		wp_cache_set('widget_recent_comments', $cache, 'widget');
	}

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['number'] = (int) $new_instance['number'];
		$this->flush_widget_cache();

		$alloptions = wp_cache_get( 'alloptions', 'options' );
		if ( isset($alloptions['widget_recent_comments']) )
			delete_option('widget_recent_comments');

		return $instance;
	}

	function form( $instance ) {
		$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
		$number = isset($instance['number']) ? absint($instance['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>

		<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of comments 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" /></p>
<?php
	}
}

class Custom_WP_Widget_Recent_Posts extends WP_Widget {

	function Custom_WP_Widget_Recent_Posts() {
		$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "Custom The most recent posts on your site") );
		$this->WP_Widget('recent-posts', __('Recent Posts'), $widget_ops);
		$this->alt_option_name = '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('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'], $instance, $this->id_base);
		if ( !$number = (int) $instance['number'] )
			$number = 10;
		else if ( $number < 1 )
			$number = 1;
		else if ( $number > 15 )
			$number = 15;

		$r = new WP_Query(array('showposts' => $number, 'nopaging' => 0, 'post_status' => 'publish', 'caller_get_posts' => 1));
		if ($r->have_posts()) :
?>
		<?php echo $before_widget; ?>
		<?php
			if ( $title ) {
				$title = str_replace('{','<span>',$title);
				$title = str_replace('}','</span>',$title);
				echo $before_title . $title . $after_title;
			}
		?>
		<ul class="posts hfeed">
			<?php  while ($r->have_posts()) : $r->the_post(); ?>
				<li class="hentry">
					<strong><a href="<?php the_permalink(); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?></a></strong>
					<?php
						$id = get_the_ID();
						$categories = get_the_category($id);
					?>					
					<?php
						$cat_link = get_category_link($categories[0]->cat_ID);
						$cat_name = $categories[0]->cat_name;
					?>
					<span><a href="<?php echo $cat_link; ?>"><?php echo $cat_name; ?></a></span>
				</li>
			<?php endwhile; ?>
		</ul>
		<?php echo $after_widget; ?>
<?php
		// Reset the global $the_post as this query will have stomped on it
		wp_reset_postdata();

		endif;

		$cache[$args['widget_id']] = ob_get_flush();
		wp_cache_set('widget_recent_posts', $cache, 'widget');
	}

	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['number'] = (int) $new_instance['number'];
		$this->flush_widget_cache();

		$alloptions = wp_cache_get( 'alloptions', 'options' );
		if ( isset($alloptions['widget_recent_entries']) )
			delete_option('widget_recent_entries');

		return $instance;
	}

	function flush_widget_cache() {
		wp_cache_delete('widget_recent_posts', 'widget');
	}

	function form( $instance ) {
		$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
		if ( !isset($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>

		<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" /></p>
<?php
	}
}

class Custom_WP_Widget_Links extends WP_Widget {

	function Custom_WP_Widget_Links() {
		$widget_ops = array('description' => __( "Custom Your blogroll" ) );
		$this->WP_Widget('links', __('Links'), $widget_ops);
	}

	function widget( $args, $instance ) {
		extract($args, EXTR_SKIP);

		$show_description = isset($instance['description']) ? $instance['description'] : false;
		$show_name = isset($instance['name']) ? $instance['name'] : false;
		$show_rating = isset($instance['rating']) ? $instance['rating'] : false;
		$show_images = isset($instance['images']) ? $instance['images'] : true;
		$category = isset($instance['category']) ? $instance['category'] : false;

		if ( is_admin() && !$category ) {
			// Display All Links widget as such in the widgets screen
			echo $before_widget . $before_title. __('All Links') . $after_title . $after_widget;
			return;
		}

		$before_widget = preg_replace('/id="[^"]*"/','id="%id"', $before_widget);
		
		
		
		custom_wp_list_bookmarks(apply_filters('widget_links_args', array(
			'title_before' => $before_title, 'title_after' => $after_title,
			'category_before' => $before_widget, 'category_after' => $after_widget,
			'show_images' => $show_images, 'show_description' => $show_description,
			'show_name' => $show_name, 'show_rating' => $show_rating,
			'category' => $category, 'class' => 'linkcat widget'
		)));
	}

	function update( $new_instance, $old_instance ) {
		$new_instance = (array) $new_instance;
		$instance = array( 'images' => 0, 'name' => 0, 'description' => 0, 'rating' => 0);
		foreach ( $instance as $field => $val ) {
			if ( isset($new_instance[$field]) )
				$instance[$field] = 1;
		}
		$instance['category'] = intval($new_instance['category']);

		return $instance;
	}

	function form( $instance ) {

		//Defaults
		$instance = wp_parse_args( (array) $instance, array( 'images' => true, 'name' => true, 'description' => false, 'rating' => false, 'category' => false ) );
		$link_cats = get_terms( 'link_category');
?>
		<p>
		<label for="<?php echo $this->get_field_id('category'); ?>" class="screen-reader-text"><?php _e('Select Link Category'); ?></label>
		<select class="widefat" id="<?php echo $this->get_field_id('category'); ?>" name="<?php echo $this->get_field_name('category'); ?>">
		<option value=""><?php _e('All Links'); ?></option>
		<?php
		foreach ( $link_cats as $link_cat ) {
			echo '<option value="' . intval($link_cat->term_id) . '"'
				. ( $link_cat->term_id == $instance['category'] ? ' selected="selected"' : '' )
				. '>' . $link_cat->name . "</option>\n";
		}
		?>
		</select></p>
		<p>
		<input class="checkbox" type="checkbox" <?php checked($instance['images'], true) ?> id="<?php echo $this->get_field_id('images'); ?>" name="<?php echo $this->get_field_name('images'); ?>" />
		<label for="<?php echo $this->get_field_id('images'); ?>"><?php _e('Show Link Image'); ?></label><br />
		<input class="checkbox" type="checkbox" <?php checked($instance['name'], true) ?> id="<?php echo $this->get_field_id('name'); ?>" name="<?php echo $this->get_field_name('name'); ?>" />
		<label for="<?php echo $this->get_field_id('name'); ?>"><?php _e('Show Link Name'); ?></label><br />
		<input class="checkbox" type="checkbox" <?php checked($instance['description'], true) ?> id="<?php echo $this->get_field_id('description'); ?>" name="<?php echo $this->get_field_name('description'); ?>" />
		<label for="<?php echo $this->get_field_id('description'); ?>"><?php _e('Show Link Description'); ?></label><br />
		<input class="checkbox" type="checkbox" <?php checked($instance['rating'], true) ?> id="<?php echo $this->get_field_id('rating'); ?>" name="<?php echo $this->get_field_name('rating'); ?>" />
		<label for="<?php echo $this->get_field_id('rating'); ?>"><?php _e('Show Link Rating'); ?></label>
		</p>
<?php
	}
}




add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Text");'));
add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Categories");'));
add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Tag_Cloud");'));
add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Recent_Comments");'));
add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Recent_Posts");'));
add_action('widgets_init', create_function('', 'return register_widget("Custom_WP_Widget_Links");'));





?>