initial commit

[danixland-countdown.git] / danixland-countdown.php

<?php\r
/*\r
Plugin Name: danixland CountDown\r
Plugin URI: http://danixland.net/?p=3330 \r
Description: A simple plugin that shows a widget with a countdown\r
Version: 0.4\r
Author: Danilo 'danix' Macri\r
Author URI: http://danixland.net\r
Text Domain: dnxcd\r
\r
This program is distributed in the hope that it will be useful,\r
but WITHOUT ANY WARRANTY; without even the implied warranty of\r
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\r
*/\r
\r
\r
/**\r
 * Add plugin i18n domain: dnxcd\r
 * @since 0.1\r
 */\r
load_plugin_textdomain('dnxcd', plugins_url() . '/danixland-countdown/i18n/', 'danixland-countdown/i18n/');\r
\r
/**\r
 * Function that installs our widget options\r
 * @since 0.1\r
 */\r
function dnxcd_options_set() {\r
	add_option( 'dnxcd_future_date', '06-05-2020', '', 'yes' );\r
	add_option( 'dnxcd_widget_link', '', '', 'yes' );\r
	add_option( 'dnxcd_use_style', 1, '', 'yes' );\r
}\r
\r
/**\r
 * Function that deletes our widget options\r
 * @since 0.3\r
 */\r
function dnxcd_options_unset() {\r
	delete_option( 'dnxcd_future_date' );\r
	delete_option( 'dnxcd_widget_link' );\r
	delete_option( 'dnxcd_use_style' );\r
}\r
\r
/**\r
 * Use widget's stylesheet if user wants it\r
 * @since 0.3\r
 */\r
function dnxcd_style_handle() {\r
	wp_register_style('dnxcd_basic', plugins_url() . '/danixland-countdown/inc/style/basic.css');\r
	if( false == get_option('dnxcd_use_style') )\r
		return;\r
	wp_enqueue_style('dnxcd_basic');\r
}\r
add_action( 'wp_enqueue_scripts', 'dnxcd_style_handle' );\r
\r
/**\r
 * Add function on plugin activation that'll set our plugin options\r
 * @since 0.1\r
 */\r
register_activation_hook( __FILE__, 'dnxcd_options_set' );\r
\r
/**\r
 * Add function on plugin deactivation that'll unset our plugin options\r
 * @since 0.3\r
 */\r
register_deactivation_hook( __FILE__, 'dnxcd_options_unset' );\r
\r
/**\r
 * Add function to widgets_init that'll load our widget.\r
 * @since 0.1\r
 */\r
add_action( 'widgets_init', 'danixland_countdown' );\r
\r
/**\r
 * Register our widget.\r
 * 'dnx_CountDown' is the widget class used below.\r
 *\r
 * @since 0.1\r
 */\r
function danixland_countdown() {\r
	register_widget( 'dnx_CountDown' );\r
}\r
\r
/**\r
 * dnx_CountDown class.\r
 * This class handles everything that needs to be handled with the widget:\r
 * the settings, form, display, and update.  Nice!\r
 *\r
 * @since 0.1\r
 */\r
class dnx_CountDown extends WP_Widget {\r
\r
\r
    /**\r
     * Widget setup.\r
     */\r
    public function __construct() {\r
        $control_ops = array('width' => 400, 'height' => 350);\r
        parent::__construct(\r
            'dnx-countdown', // id_base\r
            __('danixland CountDown', 'dnxcd' ), // Name\r
            array( 'description' => __('Use this widget to add a simple Count Down to your Sidebar', 'dnxcd') ),\r
            $control_ops\r
        );\r
    }\r
\r
	/**\r
	 * How to display the widget on the public side of the site.\r
	 */\r
	public function widget( $args, $instance ) {\r
		extract( $args );\r
\r
		/* Our variables from the widget settings. */\r
		$title = apply_filters('widget_title', $instance['title'] );\r
\r
		/* Before widget (defined by themes). */\r
		echo $before_widget;\r
\r
		/* Display the widget title if one was input (before and after defined by themes). */\r
		if ( $title ) {\r
			echo $before_title . $title . $after_title;\r
		}\r
\r
		if ( '' != get_option('dnxcd_future_date') ) {\r
			echo '<div class="dnx-countdown">';\r
			$date = gmdate('U', strtotime( get_option('dnxcd_future_date') ));\r
			$diff = $date - gmdate('U');\r
			if ( '' != get_option('dnxcd_widget_link') ) {\r
				echo '<a href="' . get_option('dnxcd_widget_link') . '">';\r
				echo '-' . floor($diff / (24 * 60 * 60));\r
				echo '</a>';\r
			} else {\r
				echo '-' . floor($diff / (24 * 60 * 60));\r
			}\r
			echo '</div> <!-- #dnx-countdown -->';\r
			echo '<div class="dnx-days">' . __('days to go', 'dnxcd') . '</div>'; \r
		} else {\r
			echo "<div class='dnx-warning'><a href='" . get_admin_url('', 'widgets.php', '') . "' title='" . __('configure widget', 'dnxcd') . "'>" . __('the date is missing<br />configure widget', 'dnxcd') . "</a></div>";\r
		}\r
\r
		/* After widget (defined by themes). */\r
		echo $after_widget;\r
	}\r
\r
	//Update the widget \r
	 \r
	public function update( $new_instance, $old_instance ) {\r
		$instance = $old_instance;\r
\r
		//Strip tags from title and name to remove HTML \r
		$instance['title'] = sanitize_text_field( $new_instance['title'] );\r
		$instance['date'] = strip_tags( $new_instance['date'] );\r
		$instance['link'] = esc_url( $new_instance['link'], array('http', 'https') );\r
		$instance['style'] = (bool) $new_instance['style'];\r
\r
		update_option( 'dnxcd_future_date', $instance['date'] );\r
		update_option( 'dnxcd_widget_link', $instance['link'] );\r
		update_option( 'dnxcd_use_style', $instance['style'] );\r
		\r
		return $instance;\r
	}\r
\r
	/**\r
	 * Displays just a quick notice with a link to the Settings page\r
	 */\r
	public function form( $instance ) {\r
		$defaults = array( \r
			'title' => __( 'Count Down', 'dnxcd' ),\r
			'date' => get_option( 'dnxcd_future_date' ),\r
			'link' => get_option( 'dnxcd_widget_link' ),\r
			'style' => get_option( 'dnxcd_use_style' )\r
		);\r
		$instance = wp_parse_args( (array) $instance, $defaults );\r
		extract( $instance, EXTR_SKIP );\r
		?>\r
\r
		<p>\r
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e('Title:', 'dnxcd'); ?></label>\r
			<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $title; ?>" style="width:100%;" />\r
		</p>\r
		<p>\r
			<label for="<?php echo $this->get_field_id( 'date' ); ?>"><?php _e('Future Date (dd-mm-yyyy):', 'dnxcd'); ?></label>\r
			<input type="date" class="widefat" id="<?php echo $this->get_field_id( 'date' ); ?>" name="<?php echo $this->get_field_name( 'date' ); ?>" value="<?php echo $date ?>" style="width:100%;" />\r
			<label for="<?php echo $this->get_field_id( 'link' ); ?>"><?php _e('Link (only http/https allowed):', 'dnxcd'); ?></label>\r
			<input class="widefat" id="<?php echo $this->get_field_id( 'link' ); ?>" name="<?php echo $this->get_field_name( 'link' ); ?>" value="<?php echo $link; ?>" style="width:100%;" />\r
		</p>\r
		<p>\r
			<input class="checkbox" type="checkbox" <?php checked( $style, true ); ?> id="<?php echo $this->get_field_id( 'style' ); ?>" name="<?php echo $this->get_field_name( 'style' ); ?>" />\r
			<label for="<?php echo $this->get_field_id( 'style' ); ?>"><?php _e('Enable Widget Stylesheet?', 'dnxcd'); ?></label>\r
		</p>\r
	<?php\r
	}\r
}\r
\r
?>\r