ultimate-posts-widget.php

<?php
/*
Plugin Name: Ultimate Posts Widget
Plugin URI: http://wordpress.org/plugins/ultimate-posts-widget/
Description: The ultimate widget for displaying posts, custom post types or sticky posts with an array of options.
Version: 2.0.5
Author: Boston Dell-Vandenberg
Author URI: http://pomelodesign.com
Text Domain: upw
Domain Path: /languages/
License: MIT
*/

if ( !class_exists( 'WP_Widget_Ultimate_Posts' ) ) {

  class WP_Widget_Ultimate_Posts extends WP_Widget {

    function __construct() {

      $widget_options = array(
        'classname' => 'widget_ultimate_posts',
        'description' => __( 'Displays list of posts with an array of options', 'upw' )
      );

      $control_options = array(
        'width' => 450
      );

      parent::__construct(
        'sticky-posts',
        __( 'Ultimate Posts', 'upw' ),
        $widget_options,
        $control_options
      );

      $this->alt_option_name = 'widget_ultimate_posts';

      add_action('save_post', array(&$this, 'flush_widget_cache'));
      add_action('deleted_post', array(&$this, 'flush_widget_cache'));
      add_action('switch_theme', array(&$this, 'flush_widget_cache'));
      add_action('admin_enqueue_scripts', array(&$this, 'enqueue_admin_scripts'));

      if (apply_filters('upw_enqueue_styles', true) && !is_admin()) {
        add_action('wp_enqueue_scripts', array(&$this, 'enqueue_theme_scripts'));
      }

      load_plugin_textdomain('upw', false, basename( dirname( __FILE__ ) ) . '/languages' );

    }

    function enqueue_admin_scripts() {
      wp_register_style('upw_admin_styles', plugins_url('css/upw-admin.min.css', __FILE__));
      wp_enqueue_style('upw_admin_styles');

      wp_register_script('upw_admin_scripts', plugins_url('js/upw-admin.min.js', __FILE__), array('jquery'), null, true);
      wp_enqueue_script('upw_admin_scripts');
    }

    function enqueue_theme_scripts() {
      wp_register_style('upw_theme_standard', plugins_url('css/upw-theme-standard.min.css', __FILE__));
      wp_enqueue_style('upw_theme_standard');
    }

    function widget( $args, $instance ) {

      global $post;
      $current_post_id =  $post->ID;

      $cache = wp_cache_get( 'widget_ultimate_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']) ? '' : $instance['title'], $instance, $this->id_base);
      $title_link = $instance['title_link'];
      $class = $instance['class'];
      $number = empty($instance['number']) ? -1 : $instance['number'];
      $types = empty($instance['types']) ? 'any' : explode(',', $instance['types']);
      $cats = empty($instance['cats']) ? '' : explode(',', $instance['cats']);
      $tags = empty($instance['tags']) ? '' : explode(',', $instance['tags']);
      $atcat = $instance['atcat'] ? true : false;
      $thumb_size = $instance['thumb_size'];
      $attag = $instance['attag'] ? true : false;
      $excerpt_length = $instance['excerpt_length'];
      $excerpt_readmore = $instance['excerpt_readmore'];
      $sticky = $instance['sticky'];
      $order = $instance['order'];
      $orderby = $instance['orderby'];
      $meta_key = $instance['meta_key'];
      $custom_fields = $instance['custom_fields'];

      // Sticky posts
      if ($sticky == 'only') {
        $sticky_query = array( 'post__in' => get_option( 'sticky_posts' ) );
      } elseif ($sticky == 'hide') {
        $sticky_query = array( 'post__not_in' => get_option( 'sticky_posts' ) );
      } else {
        $sticky_query = null;
      }

      // If $atcat true and in category
      if ($atcat && is_category()) {
        $cats = get_query_var('cat');
      }

      // If $atcat true and is single post
      if ($atcat && is_single()) {
        $cats = '';
        foreach (get_the_category() as $catt) {
          $cats .= $catt->term_id.' ';
        }
        $cats = str_replace(' ', ',', trim($cats));
      }

      // If $attag true and in tag
      if ($attag && is_tag()) {
        $tags = get_query_var('tag_id');
      }

      // If $attag true and is single post
      if ($attag && is_single()) {
        $tags = '';
        $thetags = get_the_tags();
        if ($thetags) {
            foreach ($thetags as $tagg) {
                $tags .= $tagg->term_id . ' ';
            }
        }
        $tags = str_replace(' ', ',', trim($tags));
      }

      // Excerpt more filter
      $new_excerpt_more = create_function('$more', 'return "...";');
      add_filter('excerpt_more', $new_excerpt_more);

      // Excerpt length filter
      $new_excerpt_length = create_function('$length', "return " . $excerpt_length . ";");
      if ( $instance['excerpt_length'] > 0 ) add_filter('excerpt_length', $new_excerpt_length);

      if( $class ) {
        $before_widget = str_replace('class="', 'class="'. $class . ' ', $before_widget);
      }

      echo $before_widget;

      if ( $title ) {
        echo $before_title;
        if ( $title_link ) echo "<a href='$title_link'>";
        echo $title;
        if ( $title_link ) echo '</a>';
        echo $after_title;
      }

      $args = array(
        'posts_per_page' => $number,
        'order' => $order,
        'orderby' => $orderby,
        'category__in' => $cats,
        'tag__in' => $tags,
        'post_type' => $types
      );

      if ($orderby === 'meta_value') {
        $args['meta_key'] = $meta_key;
      }

      if (!empty($sticky_query)) {
        $args[key($sticky_query)] = reset($sticky_query);
      }

      $args = apply_filters('upw_wp_query_args', $args, $instance, $this->id_base);

      $upw_query = new WP_Query($args);

      if ($instance['template'] === 'custom') {
        $custom_template_path = apply_filters('upw_custom_template_path',  '/upw/' . $instance['template_custom'] . '.php', $instance, $this->id_base);
        if (locate_template($custom_template_path)) {
          include get_stylesheet_directory() . $custom_template_path;
        } else {
          include 'templates/standard.php';
        }
      } elseif ($instance['template']) {
        include 'templates/' . $instance['template'] . '.php';
      } else {
        include 'templates/legacy.php';
      }

      // Reset the global $the_post as this query will have stomped on it
      wp_reset_postdata();

      echo $after_widget;

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

    function update( $new_instance, $old_instance ) {
      $instance = $old_instance;

      $instance['title'] = strip_tags( $new_instance['title'] );
      $instance['class'] = strip_tags( $new_instance['class']);
      $instance['title_link'] = strip_tags( $new_instance['title_link'] );
      $instance['number'] = strip_tags( $new_instance['number'] );
      $instance['types'] = (isset( $new_instance['types'] )) ? implode(',', (array) $new_instance['types']) : '';
      $instance['cats'] = (isset( $new_instance['cats'] )) ? implode(',', (array) $new_instance['cats']) : '';
      $instance['tags'] = (isset( $new_instance['tags'] )) ? implode(',', (array) $new_instance['tags']) : '';
      $instance['atcat'] = isset( $new_instance['atcat'] );
      $instance['attag'] = isset( $new_instance['attag'] );
      $instance['show_excerpt'] = isset( $new_instance['show_excerpt'] );
      $instance['show_content'] = isset( $new_instance['show_content'] );
      $instance['show_thumbnail'] = isset( $new_instance['show_thumbnail'] );
      $instance['show_date'] = isset( $new_instance['show_date'] );
      $instance['date_format'] = strip_tags( $new_instance['date_format'] );
      $instance['show_title'] = isset( $new_instance['show_title'] );
      $instance['show_author'] = isset( $new_instance['show_author'] );
      $instance['show_comments'] = isset( $new_instance['show_comments'] );
      $instance['thumb_size'] = strip_tags( $new_instance['thumb_size'] );
      $instance['show_readmore'] = isset( $new_instance['show_readmore']);
      $instance['excerpt_length'] = strip_tags( $new_instance['excerpt_length'] );
      $instance['excerpt_readmore'] = strip_tags( $new_instance['excerpt_readmore'] );
      $instance['sticky'] = $new_instance['sticky'];
      $instance['order'] = $new_instance['order'];
      $instance['orderby'] = $new_instance['orderby'];
      $instance['meta_key'] = $new_instance['meta_key'];
      $instance['show_cats'] = isset( $new_instance['show_cats'] );
      $instance['show_tags'] = isset( $new_instance['show_tags'] );
      $instance['custom_fields'] = strip_tags( $new_instance['custom_fields'] );
      $instance['template'] = strip_tags( $new_instance['template'] );
      $instance['template_custom'] = strip_tags( $new_instance['template_custom'] );

      if (current_user_can('unfiltered_html')) {
        $instance['before_posts'] =  $new_instance['before_posts'];
        $instance['after_posts'] =  $new_instance['after_posts'];
      } else {
        $instance['before_posts'] = wp_filter_post_kses($new_instance['before_posts']);
        $instance['after_posts'] = wp_filter_post_kses($new_instance['after_posts']);
      }

      $this->flush_widget_cache();

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

      return $instance;

    }

    function flush_widget_cache() {

      wp_cache_delete( 'widget_ultimate_posts', 'widget' );

    }

    function form( $instance ) {

      // Set default arguments
      $instance = wp_parse_args( (array) $instance, array(
        'title' => __('Ultimate Posts', 'upw'),
        'class' => '',
        'title_link' => '' ,
        'number' => '5',
        'types' => 'post',
        'cats' => '',
        'tags' => '',
        'atcat' => false,
        'thumb_size' => 'thumbnail',
        'attag' => false,
        'excerpt_length' => 10,
        'excerpt_readmore' => __('Read more &rarr;', 'upw'),
        'order' => 'DESC',
        'orderby' => 'date',
        'meta_key' => '',
        'sticky' => 'show',
        'show_cats' => false,
        'show_tags' => false,
        'show_title' => true,
        'show_date' => true,
        'date_format' => get_option('date_format') . ' ' . get_option('time_format'),
        'show_author' => true,
        'show_comments' => false,
        'show_excerpt' => true,
        'show_content' => false,
        'show_readmore' => true,
        'show_thumbnail' => true,
        'custom_fields' => '',
        // Set template to 'legacy' if field from UPW < 2.0 is set.
        'template' => empty($instance['morebutton_text']) ? 'standard' : 'legacy',
        'template_custom' => '',
        'before_posts' => '',
        'after_posts' => ''
      ) );

      // Or use the instance
      $title  = strip_tags($instance['title']);
      $class  = strip_tags($instance['class']);
      $title_link  = strip_tags($instance['title_link']);
      $number = strip_tags($instance['number']);
      $types  = $instance['types'];
      $cats = $instance['cats'];
      $tags = $instance['tags'];
      $atcat = $instance['atcat'];
      $thumb_size = $instance['thumb_size'];
      $attag = $instance['attag'];
      $excerpt_length = strip_tags($instance['excerpt_length']);
      $excerpt_readmore = strip_tags($instance['excerpt_readmore']);
      $order = $instance['order'];
      $orderby = $instance['orderby'];
      $meta_key = $instance['meta_key'];
      $sticky = $instance['sticky'];
      $show_cats = $instance['show_cats'];
      $show_tags = $instance['show_tags'];
      $show_title = $instance['show_title'];
      $show_date = $instance['show_date'];
      $date_format = $instance['date_format'];
      $show_author = $instance['show_author'];
      $show_comments = $instance['show_comments'];
      $show_excerpt = $instance['show_excerpt'];
      $show_content = $instance['show_content'];
      $show_readmore = $instance['show_readmore'];
      $show_thumbnail = $instance['show_thumbnail'];
      $custom_fields = strip_tags($instance['custom_fields']);
      $template = $instance['template'];
      $template_custom = strip_tags($instance['template_custom']);
      $before_posts = format_to_edit($instance['before_posts']);
      $after_posts = format_to_edit($instance['after_posts']);

      // Let's turn $types, $cats, and $tags into an array if they are set
      if (!empty($types)) $types = explode(',', $types);
      if (!empty($cats)) $cats = explode(',', $cats);
      if (!empty($tags)) $tags = explode(',', $tags);

      // Count number of post types for select box sizing
      $cpt_types = get_post_types( array( 'public' => true ), 'names' );
      if ($cpt_types) {
        foreach ($cpt_types as $cpt ) {
          $cpt_ar[] = $cpt;
        }
        $n = count($cpt_ar);
        if($n > 6) { $n = 6; }
      } else {
        $n = 3;
      }

      // Count number of categories for select box sizing
      $cat_list = get_categories( 'hide_empty=0' );
      if ($cat_list) {
        foreach ($cat_list as $cat) {
          $cat_ar[] = $cat;
        }
        $c = count($cat_ar);
        if($c > 6) { $c = 6; }
      } else {
        $c = 3;
      }

      // Count number of tags for select box sizing
      $tag_list = get_tags( 'hide_empty=0' );
      if ($tag_list) {
        foreach ($tag_list as $tag) {
          $tag_ar[] = $tag;
        }
        $t = count($tag_ar);
        if($t > 6) { $t = 6; }
      } else {
        $t = 3;
      }

      ?>

      <div class="upw-tabs">
        <a class="upw-tab-item active" data-toggle="upw-tab-general"><?php _e('General', 'upw'); ?></a>
        <a class="upw-tab-item" data-toggle="upw-tab-display"><?php _e('Display', 'upw'); ?></a>
        <a class="upw-tab-item" data-toggle="upw-tab-filter"><?php _e('Filter', 'upw'); ?></a>
        <a class="upw-tab-item" data-toggle="upw-tab-order"><?php _e('Order', 'upw'); ?></a>
      </div>

      <div class="upw-tab upw-tab-general">

        <p>
          <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title', 'upw' ); ?>:</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( 'title_link' ); ?>"><?php _e( 'Title URL', 'upw' ); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id( 'title_link' ); ?>" name="<?php echo $this->get_field_name( 'title_link' ); ?>" type="text" value="<?php echo $title_link; ?>" />
        </p>

        <p>
          <label for="<?php echo $this->get_field_id( 'class' ); ?>"><?php _e( 'CSS class', 'upw' ); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id( 'class' ); ?>" name="<?php echo $this->get_field_name( 'class' ); ?>" type="text" value="<?php echo $class; ?>" />
        </p>

        <p>
          <label for="<?php echo $this->get_field_id('before_posts'); ?>"><?php _e('Before posts', 'upw'); ?>:</label>
          <textarea class="widefat" id="<?php echo $this->get_field_id('before_posts'); ?>" name="<?php echo $this->get_field_name('before_posts'); ?>" rows="5"><?php echo $before_posts; ?></textarea>
        </p>

        <p>
          <label for="<?php echo $this->get_field_id('after_posts'); ?>"><?php _e('After posts', 'upw'); ?>:</label>
          <textarea class="widefat" id="<?php echo $this->get_field_id('after_posts'); ?>" name="<?php echo $this->get_field_name('after_posts'); ?>" rows="5"><?php echo $after_posts; ?></textarea>
        </p>

      </div>

      <div class="upw-tab upw-hide upw-tab-display">

        <p>
          <label for="<?php echo $this->get_field_id('template'); ?>"><?php _e('Template', 'upw'); ?>:</label>
          <select name="<?php echo $this->get_field_name('template'); ?>" id="<?php echo $this->get_field_id('template'); ?>" class="widefat">
            <option value="legacy"<?php if( $template == 'legacy') echo ' selected'; ?>><?php _e('Legacy', 'upw'); ?></option>
            <option value="standard"<?php if( $template == 'standard') echo ' selected'; ?>><?php _e('Standard', 'upw'); ?></option>
            <option value="custom"<?php if( $template == 'custom') echo ' selected'; ?>><?php _e('Custom', 'upw'); ?></option>
          </select>
        </p>

        <p<?php if ($template !== 'custom') echo ' style="display:none;"'; ?>>
          <label for="<?php echo $this->get_field_id('template_custom'); ?>"><?php _e('Custom Template Name', 'upw'); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id('template_custom'); ?>" name="<?php echo $this->get_field_name('template_custom'); ?>" type="text" value="<?php echo $template_custom; ?>" />
        </p>

        <p>
          <label for="<?php echo $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of posts', 'upw' ); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id( 'number' ); ?>" name="<?php echo $this->get_field_name( 'number' ); ?>" type="number" value="<?php echo $number; ?>" min="-1" />
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_title' ); ?>" name="<?php echo $this->get_field_name( 'show_title' ); ?>" type="checkbox" <?php checked( (bool) $show_title, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_title' ); ?>"><?php _e( 'Show title', 'upw' ); ?></label>
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_date' ); ?>" name="<?php echo $this->get_field_name( 'show_date' ); ?>" type="checkbox" <?php checked( (bool) $show_date, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_date' ); ?>"><?php _e( 'Show published date', 'upw' ); ?></label>
        </p>

        <p<?php if (!$show_date) echo ' style="display:none;"'; ?>>
          <label for="<?php echo $this->get_field_id('date_format'); ?>"><?php _e( 'Date format', 'upw' ); ?>:</label>
          <input class="widefat" type="text" id="<?php echo $this->get_field_id('date_format'); ?>" name="<?php echo $this->get_field_name('date_format'); ?>" value="<?php echo $date_format; ?>" />
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_author' ); ?>" name="<?php echo $this->get_field_name( 'show_author' ); ?>" type="checkbox" <?php checked( (bool) $show_author, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_author' ); ?>"><?php _e( 'Show post author', 'upw' ); ?></label>
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_comments' ); ?>" name="<?php echo $this->get_field_name( 'show_comments' ); ?>" type="checkbox" <?php checked( (bool) $show_comments, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_comments' ); ?>"><?php _e( 'Show comments count', 'upw' ); ?></label>
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_excerpt' ); ?>" name="<?php echo $this->get_field_name( 'show_excerpt' ); ?>" type="checkbox" <?php checked( (bool) $show_excerpt, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_excerpt' ); ?>"><?php _e( 'Show excerpt', 'upw' ); ?></label>
        </p>

        <p<?php if (!$show_excerpt) echo ' style="display:none;"'; ?>>
          <label for="<?php echo $this->get_field_id('excerpt_length'); ?>"><?php _e( 'Excerpt length (in words)', 'upw' ); ?>:</label>
          <input class="widefat" type="number" id="<?php echo $this->get_field_id('excerpt_length'); ?>" name="<?php echo $this->get_field_name('excerpt_length'); ?>" value="<?php echo $excerpt_length; ?>" min="-1" />
        </p>

        <p>
          <input class="checkbox" id="<?php echo $this->get_field_id( 'show_content' ); ?>" name="<?php echo $this->get_field_name( 'show_content' ); ?>" type="checkbox" <?php checked( (bool) $show_content, true ); ?> />
          <label for="<?php echo $this->get_field_id( 'show_content' ); ?>"><?php _e( 'Show content', 'upw' ); ?></label>
        </p>

        <p<?php if (!$show_excerpt && !$show_content) echo ' style="display:none;"'; ?>>
          <label for="<?php echo $this->get_field_id('show_readmore'); ?>">
          <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('show_readmore'); ?>" name="<?php echo $this->get_field_name('show_readmore'); ?>"<?php checked( (bool) $show_readmore, true ); ?> />
          <?php _e( 'Show read more link', 'upw' ); ?>
          </label>
        </p>

        <p<?php if (!$show_readmore  || (!$show_excerpt && !$show_content)) echo ' style="display:none;"'; ?>>
          <input class="widefat" type="text" id="<?php echo $this->get_field_id('excerpt_readmore'); ?>" name="<?php echo $this->get_field_name('excerpt_readmore'); ?>" value="<?php echo $excerpt_readmore; ?>" />
        </p>

        <?php if ( function_exists('the_post_thumbnail') && current_theme_supports( 'post-thumbnails' ) ) : ?>

          <?php $sizes = get_intermediate_image_sizes(); ?>

          <p>
            <input class="checkbox" id="<?php echo $this->get_field_id( 'show_thumbnail' ); ?>" name="<?php echo $this->get_field_name( 'show_thumbnail' ); ?>" type="checkbox" <?php checked( (bool) $show_thumbnail, true ); ?> />

            <label for="<?php echo $this->get_field_id( 'show_thumbnail' ); ?>"><?php _e( 'Show thumbnail', 'upw' ); ?></label>
          </p>

          <p<?php if (!$show_thumbnail) echo ' style="display:none;"'; ?>>
            <select id="<?php echo $this->get_field_id('thumb_size'); ?>" name="<?php echo $this->get_field_name('thumb_size'); ?>" class="widefat">
              <?php foreach ($sizes as $size) : ?>
                <option value="<?php echo $size; ?>"<?php if ($thumb_size == $size) echo ' selected'; ?>><?php echo $size; ?></option>
              <?php endforeach; ?>
              <option value="full"<?php if ($thumb_size == $size) echo ' selected'; ?>><?php _e('full'); ?></option>
            </select>
          </p>

        <?php endif; ?>

        <p>
          <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('show_cats'); ?>" name="<?php echo $this->get_field_name('show_cats'); ?>" <?php checked( (bool) $show_cats, true ); ?> />
          <label for="<?php echo $this->get_field_id('show_cats'); ?>"> <?php _e('Show post categories', 'upw'); ?></label>
        </p>

        <p>
          <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('show_tags'); ?>" name="<?php echo $this->get_field_name('show_tags'); ?>" <?php checked( (bool) $show_tags, true ); ?> />
          <label for="<?php echo $this->get_field_id('show_tags'); ?>"> <?php _e('Show post tags', 'upw'); ?></label>
        </p>

        <p>
          <label for="<?php echo $this->get_field_id( 'custom_fields' ); ?>"><?php _e( 'Show custom fields (comma separated)', 'upw' ); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id( 'custom_fields' ); ?>" name="<?php echo $this->get_field_name( 'custom_fields' ); ?>" type="text" value="<?php echo $custom_fields; ?>" />
        </p>

      </div>

      <div class="upw-tab upw-hide upw-tab-filter">

        <p>
          <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('atcat'); ?>" name="<?php echo $this->get_field_name('atcat'); ?>" <?php checked( (bool) $atcat, true ); ?> />
          <label for="<?php echo $this->get_field_id('atcat'); ?>"> <?php _e('Show posts only from current category', 'upw');?></label>
        </p>

        <p>
          <label for="<?php echo $this->get_field_id('cats'); ?>"><?php _e( 'Categories', 'upw' ); ?>:</label>
          <select name="<?php echo $this->get_field_name('cats'); ?>[]" id="<?php echo $this->get_field_id('cats'); ?>" class="widefat" style="height: auto;" size="<?php echo $c ?>" multiple>
            <option value="" <?php if (empty($cats)) echo 'selected="selected"'; ?>><?php _e('&ndash; Show All &ndash;') ?></option>
            <?php
            $categories = get_categories( 'hide_empty=0' );
            foreach ($categories as $category ) { ?>
              <option value="<?php echo $category->term_id; ?>" <?php if(is_array($cats) && in_array($category->term_id, $cats)) echo 'selected="selected"'; ?>><?php echo $category->cat_name;?></option>
            <?php } ?>
          </select>
        </p>

        <?php if ($tag_list) : ?>
          <p>
            <input type="checkbox" class="checkbox" id="<?php echo $this->get_field_id('attag'); ?>" name="<?php echo $this->get_field_name('attag'); ?>" <?php checked( (bool) $attag, true ); ?> />
            <label for="<?php echo $this->get_field_id('attag'); ?>"> <?php _e('Show posts only from current tag', 'upw');?></label>
          </p>

          <p>
            <label for="<?php echo $this->get_field_id('tags'); ?>"><?php _e( 'Tags', 'upw' ); ?>:</label>
            <select name="<?php echo $this->get_field_name('tags'); ?>[]" id="<?php echo $this->get_field_id('tags'); ?>" class="widefat" style="height: auto;" size="<?php echo $t ?>" multiple>
              <option value="" <?php if (empty($tags)) echo 'selected="selected"'; ?>><?php _e('&ndash; Show All &ndash;') ?></option>
              <?php
              foreach ($tag_list as $tag) { ?>
                <option value="<?php echo $tag->term_id; ?>" <?php if (is_array($tags) && in_array($tag->term_id, $tags)) echo 'selected="selected"'; ?>><?php echo $tag->name;?></option>
              <?php } ?>
            </select>
          </p>
        <?php endif; ?>

        <p>
          <label for="<?php echo $this->get_field_id('types'); ?>"><?php _e( 'Post types', 'upw' ); ?>:</label>
          <select name="<?php echo $this->get_field_name('types'); ?>[]" id="<?php echo $this->get_field_id('types'); ?>" class="widefat" style="height: auto;" size="<?php echo $n ?>" multiple>
            <option value="" <?php if (empty($types)) echo 'selected="selected"'; ?>><?php _e('&ndash; Show All &ndash;') ?></option>
            <?php
            $args = array( 'public' => true );
            $post_types = get_post_types( $args, 'names' );
            foreach ($post_types as $post_type ) { ?>
              <option value="<?php echo $post_type; ?>" <?php if(is_array($types) && in_array($post_type, $types)) { echo 'selected="selected"'; } ?>><?php echo $post_type;?></option>
            <?php } ?>
          </select>
        </p>

        <p>
          <label for="<?php echo $this->get_field_id('sticky'); ?>"><?php _e( 'Sticky posts', 'upw' ); ?>:</label>
          <select name="<?php echo $this->get_field_name('sticky'); ?>" id="<?php echo $this->get_field_id('sticky'); ?>" class="widefat">
            <option value="show"<?php if( $sticky === 'show') echo ' selected'; ?>><?php _e('Show All Posts', 'upw'); ?></option>
            <option value="hide"<?php if( $sticky == 'hide') echo ' selected'; ?>><?php _e('Hide Sticky Posts', 'upw'); ?></option>
            <option value="only"<?php if( $sticky == 'only') echo ' selected'; ?>><?php _e('Show Only Sticky Posts', 'upw'); ?></option>
          </select>
        </p>

      </div>

      <div class="upw-tab upw-hide upw-tab-order">

        <p>
          <label for="<?php echo $this->get_field_id('orderby'); ?>"><?php _e('Order by', 'upw'); ?>:</label>
          <select name="<?php echo $this->get_field_name('orderby'); ?>" id="<?php echo $this->get_field_id('orderby'); ?>" class="widefat">
            <option value="date"<?php if( $orderby == 'date') echo ' selected'; ?>><?php _e('Published Date', 'upw'); ?></option>
            <option value="title"<?php if( $orderby == 'title') echo ' selected'; ?>><?php _e('Title', 'upw'); ?></option>
            <option value="comment_count"<?php if( $orderby == 'comment_count') echo ' selected'; ?>><?php _e('Comment Count', 'upw'); ?></option>
            <option value="rand"<?php if( $orderby == 'rand') echo ' selected'; ?>><?php _e('Random'); ?></option>
            <option value="meta_value"<?php if( $orderby == 'meta_value') echo ' selected'; ?>><?php _e('Custom Field', 'upw'); ?></option>
            <option value="menu_order"<?php if( $orderby == 'menu_order') echo ' selected'; ?>><?php _e('Menu Order', 'upw'); ?></option>
          </select>
        </p>

        <p<?php if ($orderby !== 'meta_value') echo ' style="display:none;"'; ?>>
          <label for="<?php echo $this->get_field_id( 'meta_key' ); ?>"><?php _e('Custom field', 'upw'); ?>:</label>
          <input class="widefat" id="<?php echo $this->get_field_id('meta_key'); ?>" name="<?php echo $this->get_field_name('meta_key'); ?>" type="text" value="<?php echo $meta_key; ?>" />
        </p>

        <p>
          <label for="<?php echo $this->get_field_id('order'); ?>"><?php _e('Order', 'upw'); ?>:</label>
          <select name="<?php echo $this->get_field_name('order'); ?>" id="<?php echo $this->get_field_id('order'); ?>" class="widefat">
            <option value="DESC"<?php if( $order == 'DESC') echo ' selected'; ?>><?php _e('Descending', 'upw'); ?></option>
            <option value="ASC"<?php if( $order == 'ASC') echo ' selected'; ?>><?php _e('Ascending', 'upw'); ?></option>
          </select>
        </p>

      </div>

      <p class="upw-credits">
        <?php _e('Enjoy this plugin? Please <a href="http://pomelodesign.com/donate/" target="_blank">donate to support development</a>.', 'upw'); ?>
      </p>

      <?php if ( $instance ) { ?>

        <script>

          jQuery(document).ready(function($){

            var show_excerpt = $("#<?php echo $this->get_field_id( 'show_excerpt' ); ?>");
            var show_content = $("#<?php echo $this->get_field_id( 'show_content' ); ?>");
            var show_readmore = $("#<?php echo $this->get_field_id( 'show_readmore' ); ?>");
            var show_readmore_wrap = $("#<?php echo $this->get_field_id( 'show_readmore' ); ?>").parents('p');
            var show_thumbnail = $("#<?php echo $this->get_field_id( 'show_thumbnail' ); ?>");
            var show_date = $("#<?php echo $this->get_field_id( 'show_date' ); ?>");
            var date_format = $("#<?php echo $this->get_field_id( 'date_format' ); ?>").parents('p');
            var excerpt_length = $("#<?php echo $this->get_field_id( 'excerpt_length' ); ?>").parents('p');
            var excerpt_readmore_wrap = $("#<?php echo $this->get_field_id( 'excerpt_readmore' ); ?>").parents('p');
            var thumb_size_wrap = $("#<?php echo $this->get_field_id( 'thumb_size' ); ?>").parents('p');
            var order = $("#<?php echo $this->get_field_id('orderby'); ?>");
            var meta_key_wrap = $("#<?php echo $this->get_field_id( 'meta_key' ); ?>").parents('p');
            var template = $("#<?php echo $this->get_field_id('template'); ?>");
            var template_custom = $("#<?php echo $this->get_field_id('template_custom'); ?>").parents('p');

            var toggleReadmore = function() {
              if (show_excerpt.is(':checked') || show_content.is(':checked')) {
                show_readmore_wrap.show('fast');
              } else {
                show_readmore_wrap.hide('fast');
              }
              toggleExcerptReadmore();
            }

            var toggleExcerptReadmore = function() {
              if ((show_excerpt.is(':checked') || show_content.is(':checked')) && show_readmore.is(':checked')) {
                excerpt_readmore_wrap.show('fast');
              } else {
                excerpt_readmore_wrap.hide('fast');
              }
            }

            // Toggle read more option
            show_excerpt.click(function() {
              toggleReadmore();
            });

            // Toggle read more option
            show_content.click(function() {
              toggleReadmore();
            });

            // Toggle excerpt length on click
            show_excerpt.click(function(){
              excerpt_length.toggle('fast');
            });

            // Toggle excerpt length on click
            show_readmore.click(function(){
              toggleExcerptReadmore();
            });

            // Toggle date format on click
            show_date.click(function(){
              date_format.toggle('fast');
            });

            // Toggle excerpt length on click
            show_thumbnail.click(function(){
              thumb_size_wrap.toggle('fast');
            });

            // Show or hide custom field meta_key value on order change
            order.change(function(){
              if ($(this).val() === 'meta_value') {
                meta_key_wrap.show('fast');
              } else {
                meta_key_wrap.hide('fast');
              }
            });

            // Show or hide custom template field
            template.change(function(){
              if ($(this).val() === 'custom') {
                template_custom.show('fast');
              } else {
                template_custom.hide('fast');
              }
            });

          });

        </script>

      <?php

      }

    }

  }

  function init_wp_widget_ultimate_posts() {
    register_widget( 'WP_Widget_Ultimate_Posts' );
  }

  add_action( 'widgets_init', 'init_wp_widget_ultimate_posts' );
}