function UniLivesVideostreamWidget() {

/* Widget settings. */

$widget_ops = array( 'classname' => 'UniLivesVideostreamWidget', 'description' => 'Displays a videostream of tagged and thumbnailed videos on UniLives.com' );

/* Create the widget. */

$this->WP_Widget( 'unilives-videostream-widget', 'UniLives Videostream Widget', $widget_ops);

}

public static function get_video_category_link(){

$category_ids = get_all_category_ids();

foreach($category_ids as $cat_id) {

if(!strcmp(get_cat_name($cat_id),"video")){

echo get_category_link($cat_id);

}

}

}

function widget( $args, $instance ) {

extract( $args );

$title = apply_filters('widget_title', $instance['title'] );

echo $before_widget;

echo $before_title;

echo $title;

echo $after_title;

//TODO: make the number of shown posts configurable

$videoposts = new WP_Query(array(

'category_name' => "video",

'meta_key' => "video-thumb",

'posts_per_page' => $instance['show']

));

if( $videoposts->have_posts() ) {?>

<div class="unilives_video_widget">

<?php while ($videoposts->have_posts()) :

$post = $videoposts->the_post();

$url = get_post_meta(get_the_ID(), 'video-thumb', true);

if($url=='' || $url==null){ continue;}

$url = get_post_meta(get_the_ID(), 'video-thumb', true);

$author = get_post_meta(get_the_ID(), 'video-author', true);

$duration = get_post_meta(get_the_ID(), 'video-duration', true);

$university = get_post_meta(get_the_ID(), 'video-university', true);

$location = get_post_meta(get_the_ID(), 'video-location', true);

?>

<a href="<?php the_permalink();?>" class="unilives_video_link"><div class="unilives_video"><img src="<?php echo $url ?>" height="<?php echo $instance['height']?>"/><div class="unilives_video_info"><div class="unilives_video_title"><?php the_title();?></div><div class="unilives_video_author"><?php echo $author?></div><div class="unilives_video_duration"><?php echo $duration?></div><div class="unilives_video_university"><?php echo $university?></div><div class="unilives_video_location"><?php echo $location?></div><div class="unilives_video_excerpt"><?php the_excerpt();?></div></div></div></a>

<?php endwhile;?>

<div class="unilives_video_widget_separator">

</div>

<div class="unilives_video_widget_title"><?php echo $title?> (<a href="<?php echo $instance['all videos'];?>">all videos</a> )</div>

</div><?php

}

echo $after_widget;

return $instance;

}

// cribbed from the twitter widget, my this is a disaster waiting to happen, especially the display of forms

function form( $instance ) {

$instance = wp_parse_args( (array) $instance, array('title' => '', 'show' => '4', 'height' => '100', 'all videos'=>'/category/video/') );

$title = esc_attr($instance['title']);

$show = absint($instance['show']);

if ( $show < 1 || 20 < $show )

$show = '4';

$height = absint($instance['height']);

if ( $height < 1 || 300 < $height )

$heigh = '100';

$all_videos = $instance['all videos'];

echo '<p><label for="' . $this->get_field_id('title') . '">' . __('Title:') . '

<input class="widefat" id="' . $this->get_field_id('title') . '" name="' . $this->get_field_name('title') . '" type="text" value="' . $title . '" />

</label></p>

<p><label for="' . $this->get_field_id('show') . '">' . __('Max posts to show:') . '

<select id="' . $this->get_field_id('show') . '" name="' . $this->get_field_name('show') . '">';

for ( $i = 1; $i <= 20; ++$i )

echo "<option value='$i' " . ( $show == $i ? "selected='selected'" : '' ) . ">$i</option>";

echo ' </select>

</label></p>

<p><label for="' . $this->get_field_id('height') . '">' . __('Common height of thumbnails:') . '

<input class="widefat" id="' . $this->get_field_id('height') . '" name="' . $this->get_field_name('height') . '" type="text" value="' . $height . '" />

</label></p>

<p><label for="' . $this->get_field_id('all videos') . '">' . __('URI of "all videos" link:') . '

<input class="widefat" id="' . $this->get_field_id('all videos') . '" name="' . $this->get_field_name('all videos') . '" type="text" value="' . $all_videos . '" />

</label></p>';

}