<?php
/*
Plugin Name: Programista- okładka
Version: 0.1
Description: Wyświetla aktualną okładkę "Programisty"
Author: michak
 */

 class Programista_Widget extends WP_Widget {
     function __construct() {
         parent::__construct('programista_widget', __( 'Programista- okładka', 'text_domain' ),
                             array( 'description' => __( 'Okładka aktualnego "Programisty"', 'text_domain' ), ));
     }

     private function widget_content($instance) {
         $src = "http://programistamag.pl/wp-content/uploads/magazines/covers/" . $instance['latest_number'] . "_okladka.jpg";
         $content = "<img width='" . $instance['scale'] . "' height='" . $instance['scale'] . "' src='" . $src . "'></img>";
         return $content;
     }

     public function widget($args, $instance) {
         echo $args['before_widget'];

         if (!empty( $instance['title'])) {
             echo $args['before_title'] .
                 apply_filters('widget_title', $instance['title']) .
                 $args['after_title'];
         }

         echo __($this->widget_content($instance), 'text_domain' );
         echo $args['after_widget'];
     }

     public function form($instance) {
         $title = !empty($instance['title']) ? $instance['title'] : "";
         $latest_number = !empty($instance['latest_number']) ? $instance['latest_number'] : __('36', 'text_domain');
         $scale = !empty($instance['scale']) ? $instance['scale'] : __('100%', 'text_domain');
        ?>

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

        <label for="<?php echo $this->get_field_id('latest_number'); ?>"><?php _e('Ostatni numer:'); ?></label>
        <input class="widefat" id="<?php echo $this->get_field_id('latest_number'); ?>" name="<?php echo $this->get_field_name('latest_number'); ?>" type="text" value="<?php echo esc_attr($latest_number); ?>">

        <label for="<?php echo $this->get_field_id('scale'); ?>"><?php _e('Skalowanie (wartość % lub piksele):'); ?></label>
        <input class="widefat" id="<?php echo $this->get_field_id('scale'); ?>" name="<?php echo $this->get_field_name('scale'); ?>" type="text" value="<?php echo esc_attr($scale); ?>">
        </p>
        <?php
     }
 };

 function register_programista_widget() {
     register_widget('Programista_Widget');
 }
 add_action('widgets_init', 'register_programista_widget');

?>