One Wiki Widget

<?php

add_action('widgets_init', 'pyre_one_wiki_load_widgets');

function pyre_one_wiki_load_widgets()
{
    register_widget('Pyre_One_Wiki_Widget');
}

class Pyre_One_Wiki_Widget extends WP_Widget {

    function Pyre_One_Wiki_Widget()
    {
        $widget_ops = array('classname' => 'pyre_one_wiki', 'description' => 'Recent OneWiki posts widget.');
        $control_ops = array('id_base' => 'pyre_one_wiki-widget');

        $this->WP_Widget('pyre_one_wiki-widget', 'My Theme: One Wiki', $widget_ops, $control_ops);
    }

    function widget($args, $instance)
    {
        extract($args);
        $title = $instance['title'];
        $post_type = 'all';
        $categories = $instance['categories'];
        $posts = $instance['posts'];
        $images = true;
        $rating = true;
        $show_excerpt = isset($instance['show_excerpt']) ? 'true' : 'false';

        echo $before_widget;
?>

<?php
    $post_types = get_post_types();
    unset($post_types['page'], $post_types['attachment'], $post_types['revision'], $post_types['nav_menu_item']);
    if($post_type == 'all') {
        $post_type_array = $post_types;
        }
    else {
        $post_type_array = $post_type;
        }
?>

    <div class="block full">
    <h3><a href="<?php echo get_category_link($categories); ?>"><?php echo $title; ?></a> <span class="arrows">&raquo;</span></h3>
    <?php
        $recent_posts = new WP_Query(array(
            'showposts' => $posts,
            'cat' => $categories,
            ));
    ?>
    <?php
        $big_count = round($posts / 9);
        if(!$big_count) { $big_count = 1; }
    ?>
    <?php $counter = 1; while($recent_posts->have_posts()): $recent_posts->the_post(); ?>
    <?php
        if(has_post_format('video') || has_post_format('audio') || has_post_format('gallery')) {
            $icon = '<span class="' . get_post_format($post->ID) . '-icon"></span>';
            }
        else {
            $icon = '';
            }
    ?>
    <?php if($counter <= $big_count): ?>
    <?php if($counter == $big_count) { $last = 'block-item-big-last'; } else { $last = ''; }?>
    <div class="block-item-big <?php echo $last; ?>">
    <?php if($images && has_post_thumbnail()): ?>
    <?php $image = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'widget-image'); ?>
    <div class="block-image"><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><img src="<?php echo $image[0]; ?>" alt="<?php the_title(); ?>" width='290' height='160' /></a><?php echo $icon; ?></div>
    <?php else: ?>
    <div class="block-image"><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><img src="<?php bloginfo('template_directory'); ?>/timthumb.php?src=<?php bloginfo('template_directory'); ?>/images/thumbnail.png&w=290&h=160" alt="<?php the_title(); ?>" width='290' height='160' /></a><?php echo $icon; ?></div>
    <?php endif; ?>
    <h2><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><?php the_title(); ?></a></h2><h4><?php echo ' - ' ?><?php the_time('F j, Y'); ?></h4>
    <?php if($show_excerpt == 'true'): ?><p><?php echo string_limit_words(get_the_excerpt(), 15); ?><a href='<?php the_permalink(); ?>'> [...]</a></p><?php endif; ?>
    </div>
    <?php else: ?>
    <div class="block-item-small">
    <!--<?php if($images && has_post_thumbnail()): ?>
    <?php $image = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'widget-image-thumb'); ?>
    <div class="block-image"><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><img src="<?php echo $image[0]; ?>" alt="<?php the_title(); ?>" width='50' height='50' /></a><?php echo $icon; ?></div>
    <?php else: ?>
    <div class="block-image"><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><img src="<?php bloginfo('template_directory'); ?>/timthumb.php?src=<?php bloginfo('template_directory'); ?>/images/thumbnail.png&w=50&h=50" alt="<?php the_title(); ?>"  width='50' height='50' /></a><?php echo $icon; ?></div>
    <?php endif; ?>-->
    <h4><?php echo the_time('d/n'); ?><?php echo ' - ' ?><a href='<?php the_permalink(); ?>' title='<?php the_title(); ?>'><?php the_title(); ?></a></h4>
    </div>
    <?php endif; ?>
    <?php $counter++; endwhile; ?>
    </div>

    <?php

        echo $after_widget;
    }

    function update($new_instance, $old_instance)
    {
        $instance = $old_instance;
        $instance['title'] = $new_instance['title'];
        $instance['post_type'] = 'all';
        $instance['categories'] = $new_instance['categories'];
        $instance['posts'] = $new_instance['posts'];
        $instance['show_images'] = true;
        $instance['show_rating'] = true;
        $instance['show_excerpt'] = $new_instance['show_excerpt'];

        return $instance;
    }

    function form($instance)
    {
        $defaults = array('title' => 'Recent Posts', 'post_type' => 'all', 'categories' => 'all', 'posts' => 4, 'show_excerpt' => null);
        $instance = wp_parse_args((array) $instance, $defaults); ?>
        <p>
            <label for="<?php echo $this->get_field_id('title'); ?>">Title:</label>
            <input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $instance['title']; ?>" />
        </p>
        <p>
            <label for="<?php echo $this->get_field_id('categories'); ?>">Filter by Category:</label>
            <select id="<?php echo $this->get_field_id('categories'); ?>" name="<?php echo $this->get_field_name('categories'); ?>" class="widefat categories" style="width:100%;">
                <option value='all' <?php if ('all' == $instance['categories']) echo 'selected="selected"'; ?>>all categories</option>
                <?php $categories = get_categories('hide_empty=0&depth=1&type=post'); ?>
                <?php foreach($categories as $category) { ?>
                <option value='<?php echo $category->term_id; ?>' <?php if ($category->term_id == $instance['categories']) echo 'selected="selected"'; ?>><?php echo $category->cat_name; ?></option>
                <?php } ?>
            </select>
        </p>
        <p>
            <label for="<?php echo $this->get_field_id('posts'); ?>">Number of posts:</label>
            <input class="widefat" style="width: 30px;" id="<?php echo $this->get_field_id('posts'); ?>" name="<?php echo $this->get_field_name('posts'); ?>" value="<?php echo $instance['posts']; ?>" />
        </p>
        <p>
            <input class="checkbox" type="checkbox" <?php checked($instance['show_excerpt'], 'on'); ?> id="<?php echo $this->get_field_id('show_excerpt'); ?>" name="<?php echo $this->get_field_name('show_excerpt'); ?>" />
            <label for="<?php echo $this->get_field_id('show_excerpt'); ?>">Show excerpt</label>
        </p>
<?php
    }
}
?>