Genesis Framework - Grid Featured Post Widget

<?php
/**
 * Adds the WSK Featured Post Widget.
 *
 * @category Genesis
 * @package  Widgets
 * @author   StudioPress
 * @license  http://www.opensource.org/licenses/gpl-license.php GPL v2.0 (or later)
 * @link     http://www.studiopress.com/themes/genesis
 */

/**
 * Genesis Featured Post widget class.
 *
 * @category Genesis
 * @package Widgets
 *
 * @since 0.1.8
 */
class WSK_Recent_Post_Grid extends WP_Widget {

    /**
     * Holds widget settings defaults, populated in constructor.
     *
     * @var array
     */
    protected $defaults;

    /**
     * Constructor. Set the default widget options and create widget.
     *
     * @since 0.1.8
     */
    function __construct() {

        $this->defaults = array(
            'title'                   => '',
            'posts_cat'               => '',
            'posts_num'               => 1,
            'posts_offset'            => 0,
            'orderby'                 => '',
            'order'                   => '',
            'show_image'              => 0,
            'image_alignment'         => '',
            'image_size'              => '',
            'show_title'              => 0,
            'more_text'               => __( '[Read More...]', 'genesis' ),
            'extra_num'               => '',
            'extra_title'             => '',
            'more_from_category'      => '',
            'more_from_category_text' => __( 'More Posts from this Category', 'genesis' ),
        );

        $widget_ops = array(
            'classname'   => 'recent-post-grid',
            'description' => __( 'Displays recent posts with thumbnails', 'genesis' ),
        );

        $control_ops = array(
            'id_base' => 'recent-post-grid',
            'width'   => 100,
            'height'  => 100,
        );

        $this->WP_Widget( 'recent-post-grid', __( 'WSK - Right Grid Featured', 'genesis' ), $widget_ops, $control_ops );

    }

    /**
     * Echo the widget content.
     *
     * @since 0.1.8
     *
     * @param array $args Display arguments including before_title, after_title, before_widget, and after_widget.
     * @param array $instance The settings for the particular instance of the widget
     */
    function widget( $args, $instance ) {

        extract( $args );

        /** Merge with defaults */
        $instance = wp_parse_args( (array) $instance, $this->defaults );

        echo $before_widget;

        /** Set up the author bio */
        if ( ! empty( $instance['title'] ) )
            echo $before_title . apply_filters( 'widget_title', $instance['title'], $instance, $this->id_base ) . $after_title;

        $query_args = array(
            'post_type' => 'post',
            'cat'       => $instance['posts_cat'],
            'showposts' => $instance['posts_num'],
            'offset'    => $instance['posts_offset'],
            'orderby'   => $instance['orderby'],
            'order'     => $instance['order'],
        );

        $featured_posts = new WP_Query( $query_args );

        if ( $featured_posts->have_posts() ) :
            $i=1; // counter
            while ( $featured_posts->have_posts() ) : $featured_posts->the_post();
                if($i%2==0) { // if counter is multiple of 2, use grid even
                    echo '<div class="' . implode( ' ', get_post_class(array('recent-post-grid-even')) ) . '">';}
                elseif ($i%2<>0) { // if counter is not multiple of 2, use grid odd
                    echo '<div class="' . implode( ' ', get_post_class(array('recent-post-grid-odd')) ) . '">';}

                if ( ! empty( $instance['show_image'] ) )
                    printf(
                        '<a href="%s" title="%s" class="%s">%s</a>',
                        get_permalink(),
                        the_title_attribute( 'echo=0' ),
                        esc_attr( $instance['image_alignment'] ),
                        genesis_get_image( array( 'format' => 'html', 'size' => $instance['image_size'], ) )
                    );

                if ( ! empty( $instance['show_title'] ) )
                    printf( '<h3><a class="grid-title" href="%s" title="%s">%s</a></h3>', get_permalink(), the_title_attribute( 'echo=0' ), get_the_title() );

                echo '</div><!--end post_class()-->'."\n\n";
                $i++;

            endwhile; endif;

        /** The EXTRA Posts (list) */
        if ( ! empty( $instance['extra_num'] ) ) {
            if ( ! empty( $instance['extra_title'] ) )
                echo $before_title . esc_html( $instance['extra_title'] ) . $after_title;

            $offset = intval( $instance['posts_num'] ) + intval( $instance['posts_offset'] );

            $query_args = array(
                'cat'       => $instance['posts_cat'],
                'showposts' => $instance['extra_num'],
                'offset'    => $offset,
            );
            $extra_posts = new WP_Query( $query_args );

            $listitems = '';

            if ( $extra_posts->have_posts() ) {
                while ( $extra_posts->have_posts() ) {
                    $extra_posts->the_post();
                    $listitems .= sprintf( '<li><a href="%s" title="%s">%s</a></li>', get_permalink(), the_title_attribute( 'echo=0' ), get_the_title() );
                }

                if ( strlen( $listitems ) > 0 )
                    printf( '<ul>%s</ul>', $listitems );
            }
        }

        if ( ! empty( $instance['more_from_category'] ) && ! empty( $instance['posts_cat'] ) )
            printf(
                '<p class="more-from-category"><a href="%1$s" title="%2$s">%3$s</a></p>',
                esc_url( get_category_link( $instance['posts_cat'] ) ),
                esc_attr( get_cat_name( $instance['posts_cat'] ) ),
                esc_html( $instance['more_from_category_text'] )
            );

        echo $after_widget;
        wp_reset_query();

    }

    /**
     * Update a particular instance.
     *
     * This function should check that $new_instance is set correctly.
     * The newly calculated value of $instance should be returned.
     * If "false" is returned, the instance won't be saved/updated.
     *
     * @since 0.1.8
     *
     * @param array $new_instance New settings for this instance as input by the user via form()
     * @param array $old_instance Old settings for this instance
     * @return array Settings to save or bool false to cancel saving
     */
    function update( $new_instance, $old_instance ) {

        $new_instance['title']     = strip_tags( $new_instance['title'] );
        $new_instance['more_text'] = strip_tags( $new_instance['more_text'] );
        $new_instance['post_info'] = wp_kses_post( $new_instance['post_info'] );
        return $new_instance;

    }

    /**
     * Echo the settings update form.
     *
     * @since 0.1.8
     *
     * @param array $instance Current settings
     */
    function form( $instance ) {

        /** Merge with defaults */
        $instance = wp_parse_args( (array) $instance, $this->defaults );

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

        <div class="genesis-widget-column">

            <div class="genesis-widget-column-box genesis-widget-column-box-top">

                <p>
                    <label for="<?php echo $this->get_field_id( 'posts_cat' ); ?>"><?php _e( 'Category', 'genesis' ); ?>:</label>
                    <?php
                    $categories_args = array(
                        'name'            => $this->get_field_name( 'posts_cat' ),
                        'selected'        => $instance['posts_cat'],
                        'orderby'         => 'Name',
                        'hierarchical'    => 1,
                        'show_option_all' => __( 'All Categories', 'genesis' ),
                        'hide_empty'      => '0',
                    );
                    wp_dropdown_categories( $categories_args ); ?>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'posts_num' ); ?>"><?php _e( 'Number of Posts to Show', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'posts_num' ); ?>" name="<?php echo $this->get_field_name( 'posts_num' ); ?>" value="<?php echo esc_attr( $instance['posts_num'] ); ?>" size="2" />
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'posts_offset' ); ?>"><?php _e( 'Number of Posts to Offset', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'posts_offset' ); ?>" name="<?php echo $this->get_field_name( 'posts_offset' ); ?>" value="<?php echo esc_attr( $instance['posts_offset'] ); ?>" size="2" />
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'orderby' ); ?>"><?php _e( 'Order By', 'genesis' ); ?>:</label>
                    <select id="<?php echo $this->get_field_id( 'orderby' ); ?>" name="<?php echo $this->get_field_name( 'orderby' ); ?>">
                        <option value="date" <?php selected( 'date', $instance['orderby'] ); ?>><?php _e( 'Date', 'genesis' ); ?></option>
                        <option value="title" <?php selected( 'title', $instance['orderby'] ); ?>><?php _e( 'Title', 'genesis' ); ?></option>
                        <option value="parent" <?php selected( 'parent', $instance['orderby'] ); ?>><?php _e( 'Parent', 'genesis' ); ?></option>
                        <option value="ID" <?php selected( 'ID', $instance['orderby'] ); ?>><?php _e( 'ID', 'genesis' ); ?></option>
                        <option value="comment_count" <?php selected( 'comment_count', $instance['orderby'] ); ?>><?php _e( 'Comment Count', 'genesis' ); ?></option>
                        <option value="rand" <?php selected( 'rand', $instance['orderby'] ); ?>><?php _e( 'Random', 'genesis' ); ?></option>
                    </select>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'order' ); ?>"><?php _e( 'Sort Order', 'genesis' ); ?>:</label>
                    <select id="<?php echo $this->get_field_id( 'order' ); ?>" name="<?php echo $this->get_field_name( 'order' ); ?>">
                        <option value="DESC" <?php selected( 'DESC', $instance['order'] ); ?>><?php _e( 'Descending (3, 2, 1)', 'genesis' ); ?></option>
                        <option value="ASC" <?php selected( 'ASC', $instance['order'] ); ?>><?php _e( 'Ascending (1, 2, 3)', 'genesis' ); ?></option>
                    </select>
                </p>

            </div>

            <div class="genesis-widget-column-box">

                <p>
                    <input id="<?php echo $this->get_field_id( 'show_image' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'show_image' ); ?>" value="1" <?php checked( $instance['show_image'] ); ?>/>
                    <label for="<?php echo $this->get_field_id( 'show_image' ); ?>"><?php _e( 'Show Featured Image', 'genesis' ); ?></label>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'image_size' ); ?>"><?php _e( 'Image Size', 'genesis' ); ?>:</label>
                    <select id="<?php echo $this->get_field_id( 'image_size' ); ?>" name="<?php echo $this->get_field_name( 'image_size' ); ?>">
                        <option value="thumbnail">thumbnail (<?php echo get_option( 'thumbnail_size_w' ); ?>x<?php echo get_option( 'thumbnail_size_h' ); ?>)</option>
                        <?php
                        $sizes = genesis_get_additional_image_sizes();
                        foreach( (array) $sizes as $name => $size )
                            echo '<option value="'.esc_attr( $name ).'" '.selected( $name, $instance['image_size'], FALSE ).'>'.esc_html( $name ).' ( '.$size['width'].'x'.$size['height'].' )</option>';
                        ?>
                    </select>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'image_alignment' ); ?>"><?php _e( 'Image Alignment', 'genesis' ); ?>:</label>
                    <select id="<?php echo $this->get_field_id( 'image_alignment' ); ?>" name="<?php echo $this->get_field_name( 'image_alignment' ); ?>">
                        <option value="alignnone">- <?php _e( 'None', 'genesis' ); ?> -</option>
                        <option value="alignleft" <?php selected( 'alignleft', $instance['image_alignment'] ); ?>><?php _e( 'Left', 'genesis' ); ?></option>
                        <option value="alignright" <?php selected( 'alignright', $instance['image_alignment'] ); ?>><?php _e( 'Right', 'genesis' ); ?></option>
                    </select>
                </p>

            </div>

        </div>

        <div class="genesis-widget-column genesis-widget-column-right">

            <div class="genesis-widget-column-box genesis-widget-column-box-top">

                <p>
                    <input id="<?php echo $this->get_field_id( 'show_title' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'show_title' ); ?>" value="1" <?php checked( $instance['show_title'] ); ?>/>
                    <label for="<?php echo $this->get_field_id( 'show_title' ); ?>"><?php _e( 'Show Post Title', 'genesis' ); ?></label>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'show_content' ); ?>"><?php _e( 'Content Type', 'genesis' ); ?>:</label>
                    <select id="<?php echo $this->get_field_id( 'show_content' ); ?>" name="<?php echo $this->get_field_name( 'show_content' ); ?>">
                        <option value="content" <?php selected( 'content' , $instance['show_content'] ); ?>><?php _e( 'Show Content', 'genesis' ); ?></option>
                        <option value="excerpt" <?php selected( 'excerpt' , $instance['show_content'] ); ?>><?php _e( 'Show Excerpt', 'genesis' ); ?></option>
                        <option value="content-limit" <?php selected( 'content-limit' , $instance['show_content'] ); ?>><?php _e( 'Show Content Limit', 'genesis' ); ?></option>
                        <option value="" <?php selected( '' , $instance['show_content'] ); ?>><?php _e( 'No Content', 'genesis' ); ?></option>
                    </select>
                    <br />
                    <label for="<?php echo $this->get_field_id( 'content_limit' ); ?>"><?php _e( 'Limit content to', 'genesis' ); ?>
                        <input type="text" id="<?php echo $this->get_field_id( 'image_alignment' ); ?>" name="<?php echo $this->get_field_name( 'content_limit' ); ?>" value="<?php echo esc_attr( intval( $instance['content_limit'] ) ); ?>" size="3" />
                        <?php _e( 'characters', 'genesis' ); ?>
                    </label>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'more_text' ); ?>"><?php _e( 'More Text (if applicable)', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'more_text' ); ?>" name="<?php echo $this->get_field_name( 'more_text' ); ?>" value="<?php echo esc_attr( $instance['more_text'] ); ?>" />
                </p>

            </div>

            <div class="genesis-widget-column-box">

                <p><?php _e( 'To display an unordered list of more posts from this category, please fill out the information below', 'genesis' ); ?>:</p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'extra_title' ); ?>"><?php _e( 'Title', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'extra_title' ); ?>" name="<?php echo $this->get_field_name( 'extra_title' ); ?>" value="<?php echo esc_attr( $instance['extra_title'] ); ?>" class="widefat" />
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'extra_num' ); ?>"><?php _e( 'Number of Posts to Show', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'extra_num' ); ?>" name="<?php echo $this->get_field_name( 'extra_num' ); ?>" value="<?php echo esc_attr( $instance['extra_num'] ); ?>" size="2" />
                </p>

            </div>

            <div class="genesis-widget-column-box">

                <p>
                    <input id="<?php echo $this->get_field_id( 'more_from_category' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'more_from_category' ); ?>" value="1" <?php checked( $instance['more_from_category'] ); ?>/>
                    <label for="<?php echo $this->get_field_id( 'more_from_category' ); ?>"><?php _e( 'Show Category Archive Link', 'genesis' ); ?></label>
                </p>

                <p>
                    <label for="<?php echo $this->get_field_id( 'more_from_category_text' ); ?>"><?php _e( 'Link Text', 'genesis' ); ?>:</label>
                    <input type="text" id="<?php echo $this->get_field_id( 'more_from_category_text' ); ?>" name="<?php echo $this->get_field_name( 'more_from_category_text' ); ?>" value="<?php echo esc_attr( $instance['more_from_category_text'] ); ?>" class="widefat" />
                </p>

            </div>

        </div>
        <?php

    }

}