| <?php | |
| /** | |
| * Events Calendar Widget | |
| * | |
| * @link http://codex.wordpress.org/Widgets_API#Developing_Widgets | |
| * | |
| * @package BE_Genesis_Child | |
| * @author Bill Erickson <bill@billerickson.net> | |
| * @copyright Copyright (c) 2011, Bill Erickson | |
| * @license http://opensource.org/licenses/gpl-2.0.php GNU Public License | |
| */ | |
| class BE_Events_Calendar_Widget extends WP_Widget { | |
| /** | |
| * Constructor | |
| * | |
| * @return void | |
| **/ | |
| function BE_Events_Calendar_Widget() { | |
| $widget_ops = array( 'classname' => 'widget_events_calendar', 'description' => '' ); | |
| $this->WP_Widget( 'events-calendar-widget', 'Events Calendar', $widget_ops ); | |
| } | |
| /** | |
| * Outputs the HTML for this widget. | |
| * | |
| * @param array An array of standard parameters for widgets in this theme | |
| * @param array An array of settings for this widget instance | |
| * @return void Echoes it's output | |
| **/ | |
| function widget( $args, $instance ) { | |
| extract( $args, EXTR_SKIP ); | |
| echo $before_widget; | |
| // If they've selected a date, then $current = that. | |
| // If not, then $current = today | |
| if( isset( $_GET['event-date'] ) ) | |
| $current = esc_attr( $_GET['event-date'] ); | |
| else | |
| $current = date( 'M-d-Y' ); | |
| // Build Calendar Here. | |
| $date = isset( $_GET['event-date'] ) ? esc_attr( $_GET['event-date'] ) : ''; | |
| if( empty( $date ) ) // if no date selected, use today | |
| $date = date( 'M-d-Y' ); | |
| global $post; | |
| if( is_singular() ) $date = date( 'M-d-Y', get_post_meta( $post->ID, 'be_event_start_date_unix', true ) ); | |
| $month = date( 'F', strtotime( $date ) ); | |
| $month_numeric = date( 'm', strtotime( $date ) ); | |
| $month_short = date( 'M', strtotime( $date ) ); | |
| $year = date( 'Y', strtotime( $date ) ); | |
| $prev_month_date = $this->build_prev_month_link( $date ); | |
| $next_month_date = $this->build_next_month_link( $date ); | |
| $first_day = mktime(0,0,0,$month_numeric, 1, $year); | |
| $day_of_week = date('D', $first_day); | |
| switch($day_of_week){ | |
| case "Sun": $blank = 0; break; | |
| case "Mon": $blank = 1; break; | |
| case "Tue": $blank = 2; break; | |
| case "Wed": $blank = 3; break; | |
| case "Thu": $blank = 4; break; | |
| case "Fri": $blank = 5; break; | |
| case "Sat": $blank = 6; break; | |
| } | |
| $days_in_month = cal_days_in_month(0, $month_numeric, $year); | |
| ?> | |
| <div class="calendar-month"> | |
| <?php | |
| echo '<a href="' . add_query_arg( 'event-date', $prev_month_date, get_post_type_archive_link( 'events' ) ) . '" class="prev">«</a>'; | |
| echo '<a href="' . add_query_arg( 'event-date', $next_month_date, get_post_type_archive_link( 'events' ) ) . '" class="next">»</a>'; | |
| echo '<strong>' . $month . '</strong>'; | |
| ?> | |
| </div> | |
| <div class="calendar-day-names"> | |
| <span>S</span><span>M</span><span>T</span><span>W</span><span>T</span><span>F</span><span>S</span> | |
| </div> | |
| <div class="calendar-days"> | |
| <?php | |
| $day_count = 1; | |
| while ( $blank>0 ) { | |
| echo '<span> </span>'; | |
| $blank--; | |
| $day_count++; | |
| } | |
| $day_num = 1; | |
| while ( $day_num <= $days_in_month ) { | |
| $day_num_leading_zero = strlen((string)$day_num) == 1 ? ('0'.$day_num) : $day_num; | |
| echo $this->build_event_link( $month_short . '-' . $day_num_leading_zero . '-' . $year ); | |
| $day_num++; | |
| $day_count++; | |
| if ($day_count > 7) { | |
| echo '<div class="cl"></div>'; | |
| $day_count = 1; | |
| } | |
| } | |
| while ( $day_count > 1 && $day_count <=7 ) { | |
| $day_count++; | |
| } | |
| ?> | |
| </div><!-- /calendar-days --> | |
| <?php | |
| echo $after_widget; | |
| } | |
| function build_event_link( $date ) { | |
| $current = isset( $_GET['event-date'] ) ? esc_attr( $_GET['event-date'] ) : date( 'M-d-Y' ); | |
| global $post; | |
| if( is_singular() ) $current = date( 'M-d-Y', get_post_meta( $post->ID, 'be_event_start_date_unix', true ) ); | |
| $day = date( 'j', strtotime( $date ) ); | |
| $classes = ( $date == $current && ( is_post_type_archive( 'events' ) || is_singular() ) ) ? ' class="active"' : ''; | |
| $output = '<a href="' . add_query_arg( 'event-date', $date, get_post_type_archive_link( 'events' ) ) . '"' . $classes . '>' . $day . '</a> '; | |
| return $output; | |
| } | |
| function build_prev_month_link( $date ) { | |
| $prev_month = date( 'M', strtotime( '-1 Months', strtotime($date) ) ); | |
| $prev_month_year = date( 'Y', strtotime( '-1 Months', strtotime($date) ) ); | |
| return $prev_month . '-01-' . $prev_month_year; | |
| } | |
| function build_next_month_link( $date ) { | |
| $next_month = date( 'M', strtotime( '+1 Months', strtotime($date) ) ); | |
| $next_month_year = date( 'Y', strtotime( '+1 Months', strtotime($date) ) ); | |
| return $next_month . '-01-' . $next_month_year; | |
| } | |
| } | |
| add_action( 'widgets_init', 'be_register_calendar_widget' ); | |
| /** | |
| * Register Calendar Widget | |
| * | |
| */ | |
| function be_register_calendar_widget() { | |
| register_widget('BE_Events_Calendar_Widget'); | |
| } |
Bill Erickson
Bill Erickson is a freelance WordPress developer and a contributing developer to the Genesis framework. For the past 14 years he has worked with attorneys, publishers, corporations, and non-profits, building custom websites tailored to their needs and goals.