class avia_newsbox extends WP_Widget {

    var $avia_term = '';
    var $avia_post_type = '';
    var $avia_new_query = '';

    function __construct()
    {
        $widget_ops = array('classname' => 'newsbox', 'description' => __('A Sidebar widget to display latest post entries in your sidebar', 'avia_framework') );

        parent::__construct( 'newsbox', THEMENAME.' Latest News', $widget_ops );
    }

    function widget($args, $instance)
    {
        global $avia_config;

        extract($args, EXTR_SKIP);
        echo $before_widget;

        $title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
        $count = empty($instance['count']) ? '' : $instance['count'];
        $cat = empty($instance['cat']) ? '' : $instance['cat'];
        $excerpt = empty($instance['excerpt']) ? '' : $instance['excerpt'];
        $image_size = isset($avia_config['widget_image_size']) ? $avia_config['widget_image_size'] : 'widget';

        if ( !empty( $title ) ) { echo $before_title . $title . $after_title; };


        if(empty($this->avia_term))
        {
            $additional_loop = new WP_Query("cat=".$cat."&posts_per_page=".$count);
        }
        else
        {
            $catarray = explode(',', $cat);


            if(empty($catarray[0]))
            {
                $new_query = array("posts_per_page"=>$count,"post_type"=>$this->avia_post_type);
            }
            else
            {
                if($this->avia_new_query)
                {
                    $new_query = $this->avia_new_query;
                }
                else
                {
                    $new_query = array( "posts_per_page"=>$count, 'tax_query' => array(
                                                    array( 'taxonomy' => $this->avia_term,
                                                            'field' => 'id',
                                                            'terms' => explode(',', $cat),
                                                            'operator' => 'IN')
                                                            )
                                                    );
                }
            }

            $additional_loop = new WP_Query($new_query);
        }

        if($additional_loop->have_posts()) :



        echo '<ul class="news-wrap image_size_'.$image_size.'">';
        while ($additional_loop->have_posts()) : $additional_loop->the_post();

        $format = "";
        if(empty($this->avia_post_type))    $format = $this->avia_post_type;
        if(empty($format))                  $format = get_post_format();
        if(empty($format))                  $format = 'standard';

        $the_id = get_the_ID();
        $link = get_post_meta( $the_id  ,'_portfolio_custom_link', true) != "" ? get_post_meta( $the_id ,'_portfolio_custom_link_url', true) : get_permalink();


        echo '<li class="news-content post-format-'.$format.'">';

        //check for preview images:
        $image = "";

        if(!current_theme_supports('force-post-thumbnails-in-widget'))
        {
            $slides = avia_post_meta(get_the_ID(), 'slideshow', true);

            if( $slides != "" && !empty( $slides[0]['slideshow_image'] ) )
            {
                $image = avia_image_by_id($slides[0]['slideshow_image'], $image_size, 'image');
            }
        }

        if(current_theme_supports( 'post-thumbnails' ) && !$image )
        {
            $image = get_the_post_thumbnail( $the_id, $image_size );
        }

        $time_format = apply_filters( 'avia_widget_time', get_option('date_format')." - ".get_option('time_format'), 'avia_newsbox' );


        echo "<a class='news-link' title='".get_the_title()."' href='".$link."'>";

        $nothumb = (!$image) ? 'no-news-thumb' : '';

        echo "<span class='news-thumb $nothumb'>";
        echo $image;
        echo "</span>";
        if(empty($avia_config['widget_image_size']) || 'display title and excerpt' != $excerpt)
        {
            echo "<strong class='news-headline'>".get_the_title();

            if($time_format)
            {
                echo "<span class='news-time'>".get_post_meta(get_the_ID(), 'event_date', true)."</span>";
            }

            echo "</strong>";
        }
        echo "</a>";

        if( 'display title and excerpt' == $excerpt )
        {
            echo "<div class='news-excerpt'>";

            if(!empty($avia_config['widget_image_size']))
            {
                echo "<a class='news-link-inner' title='".get_the_title()."' href='".$link."'>";
                echo "<strong class='news-headline'>".get_the_title()."</strong>";
                echo "</a>";
                if($time_format)
                {
                    echo "<span class='news-time'>".get_post_meta(get_the_ID(), 'event_date', true)."</span>";
                }

            }
            the_excerpt();
            echo "</div>";
        }

        echo '</li>';


        endwhile;
        echo "</ul>";
        wp_reset_postdata();
        endif;


        echo $after_widget;

    }


    function update($new_instance, $old_instance)
    {
        $instance = $old_instance;
        $instance['title'] = strip_tags($new_instance['title']);
        $instance['count'] = strip_tags($new_instance['count']);
        $instance['excerpt'] = strip_tags($new_instance['excerpt']);
        $instance['cat'] = implode(',',$new_instance['cat']);
        return $instance;
    }



    function form($instance)
    {
        $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'count' => '', 'cat' => '', 'excerpt'=>'' ) );
        $title = strip_tags($instance['title']);
        $count = strip_tags($instance['count']);
        $excerpt = strip_tags($instance['excerpt']);


        $elementCat = array("name"  => __("Which categories should be used for the portfolio?", 'avia_framework'),
                            "desc"  => __("You can select multiple categories here", 'avia_framework'),
                            "id"    => $this->get_field_name('cat')."[]",
                            "type"  => "select",
                            "std"   => strip_tags($instance['cat']),
                            "class" => "",
                            "multiple"=>6,
                            "subtype" => "cat");
        //check if a different taxonomy than the default is set
        if(!empty($this->avia_term))
        {
            $elementCat['taxonomy'] = $this->avia_term;
        }




        $html = new avia_htmlhelper();

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

        <p>
            <label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('How many entries do you want to display: ', 'avia_framework'); ?></label>
            <select class="widefat" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>">
                <?php
                $list = "";
                for ($i = 1; $i <= 20; $i++ )
                {
                    $selected = "";
                    if($count == $i) $selected = 'selected="selected"';

                    $list .= "<option $selected value='$i'>$i</option>";
                }
                $list .= "</select>";
                echo $list;
                ?>


        </p>

        <p><label for="<?php echo $this->get_field_id('cat'); ?>"><?php _e('Choose the categories you want to display (multiple selection possible):', 'avia_framework'); ?>
        <?php echo $html->select($elementCat); ?>
        </label></p>

        <p>
            <label for="<?php echo $this->get_field_id('excerpt'); ?>"><?php _e('Display title only or title &amp; excerpt', 'avia_framework'); ?></label>
            <select class="widefat" id="<?php echo $this->get_field_id('excerpt'); ?>" name="<?php echo $this->get_field_name('excerpt'); ?>">
                <?php
                $list = "";
                $answers = array(
                            'show title only'           =>  __( 'show title only', 'avia_framework' ),
                            'display title and excerpt' =>  __('display title and excerpt', 'avia_framework')
                            );

                foreach ( $answers as $key => $answer )
                {
                    $selected = "";
                    if( $key == $excerpt ) $selected = 'selected="selected"';

                    $list .= "<option $selected value='$key'>$answer</option>";
                }
                $list .= "</select>";
                echo $list;
                ?>


        </p>


<?php
    }
}