<?php

class Hbbot_Testimonials_Widget extends WP_Widget {

    function __construct() {

        $widget_ops = array(
            'classname' => 'hbbot_testimonial_widget',
            'description' => 'Display groups of testimonials in your sidebar or other widgetized areas'
        );

        parent::__construct( 'hbbot_testy_widget', 'HBBOT Testimonials Wiget', $widget_ops );

    }

    function form( $instance ) {
        $title = esc_attr( $instance[ 'title' ] );
        $num_posts = esc_attr( $instance[ 'num_posts' ] );
        $use_thumb = esc_attr( $instance[ 'use_thumb' ] );
        if( isset( $instance['use_groups'] ) ) {
            $use_groups = $instance[ 'use_groups' ];
        } else {
            $use_groups = array('all');
        }

        $groups = get_terms('hbbot_group', array('hide_empty' => false));
        $tcount = wp_count_posts( 'hbbot_testimonial' );
        $gcount = wp_count_terms( 'hbbot_group', array( 'hide_empty' => false ) );
        if( $tcount > 0 ):
        ?>

            <p>
              <label for="<?php echo $this->get_field_id( 'title' ); ?>">Title: (optional)
                <input class="widefat"
                  id="<?php echo $this->get_field_id( 'title' ); ?>"
                  name="<?php echo $this->get_field_name( 'title' ); ?>"
                  type="text"
                  value="<?php echo attribute_escape( $title ); ?>"  />
              </label>
            </p>
            <p>
              <label for="<?php echo $this->get_field_id( 'num_posts' ); ?>">Testimonials to display:
                <input size="3"
                  id="<?php echo $this->get_field_id( 'num_posts' ); ?>"
                  name="<?php echo $this->get_field_name( 'num_posts' ); ?>"
                  type="text"
                  value="<?php echo attribute_escape( $num_posts ); ?>"  />
              </label>
            </p>
            <?php if( $gcount > 0 ) : ?>
                <p>Limit to these Groups:<br />
                <select
                  class="widefat"
                  size="5"
                  style="height: auto;"
                  id="<?php echo $this->get_field_id( 'use_groups' );?>"
                  name="<?php echo $this->get_field_name( 'use_groups' );?>"
                  multiple="multiple">
                    <option value="all"<?php if( in_array( 'all', $use_groups ) !== FALSE ): ?> selected="selected"<?php endif;?> >All Groups</option>
                  <?php foreach( $groups as $g ): ?>
                    <option value="<?php echo $g->term_id; ?>" <?php if( in_array( $g->term_id, $use_groups ) !== FALSE ) { ?>selected="selected"<?php } ?> ><?php echo $g->name . " (". $g->count . ")"; ?></option>
                  <?php endforeach; ?>
                  </select>
                </p>
            <?php else: ?>
                <p>You haven't defined any Groups for your Testimonials. Once you <a href="<?php get_bloginfo('url'); ?>/wp-admin/edit-tags.php?taxonomy=hbbot_group&post_type=hbbot_testimonial">create some</a> you can use this widget to display specific groups of testimonials.</p>
            <?php endif; ?>
            <p>
              <label for="<?php echo $this->get_field_id( 'use_thumb' ); ?>">
                <input size="3"
                  id="<?php echo $this->get_field_id( 'use_thumb' ); ?>"
                  name="<?php echo $this->get_field_name( 'use_thumb' ); ?>"
                  type="checkbox"
                  <?php echo ( $use_thumb ) ? 'checked="checked"' : ''; ?> /> Show Thumbnails?
              </label>
            </p>
        <?php
        else :
        ?>
            <p>Oops! You haven't created any Testimonials, yet. <a href="<?php get_bloginfo('url'); ?>/wp-admin/post-new.php?post_type=hbbot_testimonial">Create some now.</a></p>
        <?php
        endif;
    }

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

        $instance['title'] = strip_tags( $new_instance[ 'title' ] );
        $instance['num_posts'] = strip_tags( $new_instance[ 'num_posts' ] );
        $instance['use_thumb'] = ( isset( $new_instance[ 'use_thumb' ] ) ) ? true : false;
        $instance['use_groups'] = $new_instance[ 'use_groups' ] ;

        return $instance;

    }

    function widget( $args, $instance ) {

        extract( $args, EXTR_SKIP );


        echo $before_widget;

        $title = apply_filters( 'widget_title', $instance[ 'title' ] );
        $tlimit = (int)$instance[ 'num_posts' ];
        $use_thumb = (bool)$instance[ 'use_thumb' ];


    }

} // end class

add_action( 'widgets_init', 'hbbot_register_widget' );
function hbbot_register_widget() { return register_widget( 'Hbbot_Testimonials_Widget' ); }