'widget_teachpress_books',
'description' => esc_html__('Shows a random book in the sidebar', 'teachpress')
];
$control_ops = array('width' => 500, 'height' => 300);
parent::__construct(false, $name = esc_html__('teachPress books','teachpress'), $widget_ops, $control_ops);
}
/**
* Widget content area
* @see WP_Widget::widget
* @param array $args
* @param array $instance
*/
function widget($args, $instance) {
extract( $args );
$title = apply_filters('widget_title', $instance['title']);
$all_url = get_permalink($instance['url']);
$books = $instance['books'];
$random_id = rand(0, count($books) - 1);
$pub_id = $books[$random_id];
$row = TP_Publications::get_publication($pub_id);
echo $before_widget;
if ( $title ) {
echo $before_title . $title . $after_title;
}
TP_HTML::line( '
');
TP_HTML::line( '' . esc_html__('All books','teachpress') . '
' );
echo $after_widget;
}
/**
* Update values
* @see WP_Widget::update
* @param array $new_instance
* @param array $old_instance
*/
function update($new_instance, $old_instance) {
return $new_instance;
}
/**
* Widget admin area
* @see WP_Widget::form
* @param array $instance
*/
function form($instance) {
$title = isset ($instance['title']) ? esc_attr($instance['title']) : '';
$url = isset ($instance['url']) ? esc_attr($instance['url']) : '';
$books = isset ($instance['books']) ? $instance['books'] : array();
TP_HTML::line( '' );
TP_HTML::line( '' . esc_html__('use <Ctrl> key to select multiple books', 'teachpress') . '
';
TP_HTML::line( '';
}
}