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