/**

* Sets up the widgets name etc

*/

public function __construct() {

// widget actual processes

parent::__construct(

'list_mediafiles_widget', // Base ID

__('List Mediafiles', 'text_domain'), // Name

array( 'description' => __( 'A Widget to display Mediafiles', 'text_domain' ), ) // Args

);

}

/**

* Outputs the content of the widget

*

* @param array $args

* @param array $instance

*/

public function widget( $args, $instance ) {

// outputs the content of the widget

echo $args['before_widget'];

if ( ! empty( $instance['title'] ) ) {

echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ). $args['after_title'];

}

$number_of_posts = -1;

if ( ! empty( $instance['show_number_files'] ) ) {

$number_of_posts = $instance['show_number_files'];

}

$orderby = 'date';

if ( ! empty( $instance['sort_parameter'] ) ) {

$orderby = $instance['sort_parameter'];

}

$order_direction = 'DESC';

if ( ! empty( $instance['sort_direction'] ) ) {

$order_direction = $instance['sort_direction'];

}

$exclude_ids = array();

if ( ! empty( $instance['exclude_ids'] ) ) {

$exclude_ids = $instance['exclude_ids'];

}

// TODO: get template choice. Echo css based on choice

echo '<style>.list_mediafiles_box{';

echo 'border: 1px solid #e2e2e2;';

echo 'margin: 5px;';

echo 'padding: 5px;';

echo '} .list_mediafiles_box img{';

echo 'max-width:100px;';

echo '} </style>';

$args = array(

'post_type' => 'attachment',

'numberposts' => $number_of_posts,

'post_status' => null,

'post_parent' => null,

'orderby' => $orderby,

'order' => $order_direction,

'exclude' => $exclude_ids,

);

$attachments = get_posts($args);

if ($attachments) {

foreach ($attachments as $post) {

echo '<div class="list_mediafiles_box">';

setup_postdata($post);

echo '<h4>' . get_the_title($post->ID) . '</h4>';

switch($post->post_mime_type){

case 'image/jpeg':

case 'image/png':

case 'image/gif':

the_attachment_link($post->ID, false); break;

default:

echo '<a href="' . get_attachment_link($post->ID) . '"><img src="' . wp_mime_type_icon($post->post_mime_type) . '"></a>';

}

echo '<span class="aligncenter" style="word-break:break-word;">';

the_excerpt();

echo '</span>';

echo '</div>';

}

}

//echo $args['after_widget'];

}

/**

* Outputs the options form on admin

*

* @param array $instance The widget options

*/

public function form( $instance ) {

// outputs the options form on admin

$defaults = array(

'title' => __( 'Uploaded media', 'text_domain' ),

'show_number_files' => 5,

'sort_parameter' => 'date',

'sort_direction' => 'DESC',

'exclude_ids' => array()

);

$instance = wp_parse_args( (array) $instance, $defaults );

$title = $instance[ 'title' ];

?>

<p>

<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>

<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 ); ?>">

</p>

<?php

$number_of_files = $instance[ 'show_number_files' ];

?>

<p>

<label for="<?php echo $this->get_field_id( 'show_number_files' ); ?>"><?php _e( 'Number of files to show:' ); ?></label>

<input class="widefat"

id="<?php echo $this->get_field_id( 'show_number_files' ); ?>"

name="<?php echo $this->get_field_name( 'show_number_files' ); ?>"

type="number" value="<?php echo esc_attr( $number_of_files ); ?>">

</p>

<?php

$orderby = $instance[ 'sort_parameter' ];

?>

<p>

<label for="<?php echo $this->get_field_id( 'sort_parameter' ); ?>"><?php _e( 'Sort by:' ); ?></label>

<select class="widefat"

id="<?php echo $this->get_field_id( 'sort_parameter' ); ?>"

name="<?php echo $this->get_field_name( 'sort_parameter' ); ?>" >

<option value="date" <?php echo (($orderby == 'date') ? 'selected' : ''); ?>>Date</option>

<option value="title" <?php echo (($orderby == 'title') ? 'selected' : ''); ?>>Title</option>

<option value="rand" <?php echo (($orderby == 'rand') ? 'selected' : ''); ?>>Random</option>

</select>

</p>

<?php

$sort_direction = $instance[ 'sort_direction' ];

?>

<p>

<span><?php _e( 'Sort direction:' ); ?></span>

<label for="<?php echo $this->get_field_id( 'sort_direction' ) . '-desc'; ?>"><?php _e( 'Descending' ); ?></label>

<input

class="widefat"

id="<?php echo $this->get_field_id( 'sort_direction' ) . '-desc'; ?>"

name="<?php echo $this->get_field_name( 'sort_direction' ); ?>"

type="radio"

value="DESC"

<?php echo (($sort_direction == 'DESC') ? 'checked' : ''); ?>

>

<label for="<?php echo $this->get_field_id( 'sort_direction' ) . '-asc'; ?>"><?php _e( 'Ascending' ); ?></label>

<input

class="widefat"

id="<?php echo $this->get_field_id( 'sort_direction' ) . '-asc'; ?>"

name="<?php echo $this->get_field_name( 'sort_direction' ); ?>"

type="radio"

value="ASC"

<?php echo (($sort_direction == 'ASC') ? 'checked' : ''); ?>

>

</p>

<?php

$args = array(

'post_type' => 'attachment',

'numberposts' => -1,

'post_status' => null,

'post_parent' => null,

'orderby' => 'date',

'order' => 'DESC',

);

$attachments = get_posts($args);

$exclude_ids = (array) $instance[ 'exclude_ids' ];

if ($attachments) {

echo '<strong>Exclude these files:</strong>';

echo '<ul>';

foreach ($attachments as $post) {

setup_postdata($post);

// TODO: add checkbox

//TODO: add array to instance. if post id in array, checked is true

echo '<li><input type="checkbox"

id="' . $this->get_field_id( 'exclude_ids' ) . '-' . $post->ID . '"

name="' . $this->get_field_name( 'exclude_ids' ) . '[]"

value="' . $post->ID . '"

';

if (in_array($post->ID, $exclude_ids)){

echo 'checked';

}

echo '><label>' . get_the_title($post->ID) . '</label></li>';

// TODO: add date

}

echo '</ul>';

}

}

/**

* Processing widget options on save

*

* @param array $new_instance The new options

* @param array $old_instance The previous options

*/

public function update( $new_instance, $old_instance ) {

// processes widget options to be saved

$instance = array();

$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';

$instance['show_number_files'] = ( ! empty( $new_instance['show_number_files'] ) ) ? strip_tags( $new_instance['show_number_files'] ) : '';

$instance['sort_parameter'] = ( ! empty( $new_instance['sort_parameter'] ) ) ? strip_tags( $new_instance['sort_parameter'] ) : '';

$instance['sort_direction'] = ( ! empty( $new_instance['sort_direction'] ) ) ? strip_tags( $new_instance['sort_direction'] ) : '';

$instance['exclude_ids'] = $new_instance['exclude_ids'];

return $instance;

}