Slimmed down single testimonial widget for TBTestimonials.

TBTestimonialsSingleTestimonialWidget.php

<?php

/**
*   plugin name: TBTestimonials Single Testimonial Widget
*   author: Travis Ballard
*   author uri: http://travisballard.com
*   version: 1.0
*   description: Adds a slimmed down TBTestimonials widget that allows you to select a single testimonial
*/
class TBTestimonialsSingleTestimonialWidget extends WP_Widget
{

    var $post_type = null;

    /**
    * widget construct
    *
    */
    function TBTestimonialsSingleTestimonialWidget()
    {
        global $tbtestimonials;
        parent::WP_Widget( false, $name = 'TB Testimonials Widget - Single Testimonial' );
        $this->post_type = apply_filters( 'tbtestimonials_post_type', $tbtestimonials->post_type );
    }

    /**
    * update settings
    *
    * @param mixed $new_instance
    * @param mixed $old_instance
    * @return array
    */
    function update( $new_instance, $old_instance )
    {
        global $tbtestimonials;

        $instance = $old_instance;
        $instance['title'] = strip_tags( esc_html( $new_instance['title'] ) );
        $instance['testimonial_id'] = intval( $new_instance['testimonial_id'] );
        $instance['template'] = esc_html( $new_instance['template'] );

        return $instance;
    }

    /**
    * widget form
    *
    * @param mixed $instance
    */
    function form( $instance )
    {
        global $tbtestimonials;

        ?>
            <p>
                <label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?>
                    <input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo isset( $instance['title'] ) ? $instance['title'] : ''; ?>" />
                </label>
            </p>
            <p>
                <label for="<?php echo $this->get_field_id( 'testimonial_id' ); ?>"><?php _e( 'Testimonial:' ); ?></label>
                <select name="<?php echo $this->get_field_name( 'testimonial_id' ); ?>" id="<?php echo $this->get_field_id(); ?>" class="widefat">
                    <?php
                        $q = new wp_query( array( 'post_type' => $this->post_type, 'post_status' => 'publish', 'posts_per_page' => -1 ) );
                        if( $q->have_posts() ){
                            while( $q->have_posts() ) {
                                $q->the_post();
                                printf( '<option value="%d" title="%s"%s>ID: %d -- %s -- %s&hellip;</option>', get_the_ID(), esc_attr( get_the_content() ), $instance['testimonial_id'] == get_the_ID() ? selected( 1, 1 ) : '', get_the_ID(), get_the_title(), substr( get_the_excerpt(), 0, 20 ) );
                            }
                        }
                    ?>
                </select>
            </p>
            <p>
                <label for="<?php echo $this->get_field_id( 'template' ); ?>"><?php _e( 'Output Template:' ); ?></label>
                <select name="<?php echo $this->get_field_name( 'template' ); ?>" id="<?php echo $this->get_field_id; ?>" class="widefat">
                    <?php foreach( $tbtestimonials->templates as $template_id => $template ) : ?>
                        <option value="<?php echo $template_id; ?>" <?php selected( $template_id, $instance['template'] ); ?> ><?php echo $template->name(); ?></option>
                    <?php endforeach; ?>
                </select>
            </p>
        <?php
    }

    /**
    * widget
    *
    * @param mixed $args
    * @param mixed $instance
    */
    function widget( $args, $instance )
    {
        extract( $args );
        $tbtestimonials_settings = get_option( 'tbtestimonials_settings' );

        echo $before_widget;

        if( isset( $instance['title'] ) )
            printf( '%s%s%s', $before_title, esc_attr( $instance['title'] ), $after_title );


        if( ! isset( $instance['template'] ) || empty( $instance['template'] ) )
            $instance['template'] = 'widget';

        $testimonial_args = array(
            'post_type' => $this->post_type,
            'p' => $instance['testimonial_id']
        );

        $testimonials = new WP_Query( $testimonial_args );

        if( $testimonials->have_posts() )
        {
            $tbtestimonials = new TBTestimonials(); ?>

            <ul id="tbtestimonials-widget">

            <?php

            $x = 0;
            $t = array();

            while( $testimonials->have_posts() )
            {
                $testimonials->the_post();
                $t[] = $tbtestimonials->prepare_testimonial( $instance['template'] );
            }

            $pages = $t;
            $p = 0;

            foreach( $pages as $page )
            {
                $class = ++$p > 1 ? 'testimonial-slide hidden-testimonial' : 'testimonial-slide';
                printf( '<li class="%s"><ul>', $class );
                print $page;
                printf( '</ul></li>' );
            }

            ?></ul><?php
        }

        wp_reset_query();
        echo $after_widget;
    }
}

# init widget
add_action( 'widgets_init', create_function( '', 'return register_widget( "TBTestimonialsSingleTestimonialWidget" );' ) );