30Boxes.com powered calendars to your blog. Currently it supports an eventlist, an embedded calendar and a sidebar calendar which is css compatible with the post calendar and should fit in most themes without further adjustments.
Version: 1.0
Author: Thorsten Ott
Author URI: http://30bwidget.wordpress.com
*/
/*
* This function implements a sidebar widget for widgetbox.com widgets
*/
function add_30b_scripts() {
wp_enqueue_script('30boxes', '/wp-content/plugins/30boxes/30boxes.js', array('jquery'), '1.0' );
}
add_action( 'init', 'add_30b_scripts' );
function thirtyb_getsidebarcalendar($url, $pastdays = 24, $futuredays = 24, $number='shortcode', $initial = true) {
global $wpdb, $m, $monthnum, $year, $wp_locale, $posts;
if ( !$args = parse_30boxes_url( $url ) )
return __( "The 30Boxes calendar URL is invalid!" );
extract( $args );
if( empty( $pastdays ) || 0 == (int) $pastdays )
$pastdays = date("j");
if( empty( $futuredays ) || 0 == (int) $futuredays )
$futuredays = date("t")-date("j");
$cache = array();
$key = md5( $m . $monthnum . $year );
if ( $cache = wp_cache_get( 'get_30bcalendar', 'calendar' ) ) {
if ( is_array($cache) && isset( $cache[ $key ] ) ) {
//return $cache[ $key ];
}
}
if ( !is_array($cache) )
$cache = array();
ob_start();
require_once(ABSPATH . WPINC . '/rss.php');
if ( !empty( $tags ) )
$rss_url = 'http://30boxes.com/rss/' . $ident . '/' . $name . '/' . $secret . '/' . $tags . '?daysForward=' . $futuredays . '&daysBack=' . $pastdays;
else
$rss_url = 'http://30boxes.com/rss/' . $ident . '/' . $name . '/' . $secret . '/' . '?daysForward=' . $futuredays . '&daysBack=' . $pastdays;
$rss = fetch_rss( $rss_url );
if ( !is_array( $rss->items ) || empty( $rss->items ) ) {
return;
}
$items = array();
foreach ( $rss->items as $item ) {
if( empty( $item['dc:date'] ) )
$item_date = strtotime( $item['dc']['date'] );
else
$item_date = strtotime( $item['dc:date'] );
$items[$item_date][] = array_merge( $item, array('date_unix' => $item_date ) );
}
if ( isset($_GET['w']) )
$w = ''.intval($_GET['w']);
// week_begins = 0 stands for Sunday
$week_begins = intval(get_option('start_of_week'));
// Let's figure out when we are
if ( !empty($monthnum) && !empty($year) ) {
$thismonth = ''.zeroise(intval($monthnum), 2);
$thisyear = ''.intval($year);
} elseif ( !empty($w) ) {
// We need to get the month from MySQL
$thisyear = ''.intval(substr($m, 0, 4));
$d = (($w - 1) * 7) + 6; //it seems MySQL's weeks disagree with PHP's
$thismonth = $wpdb->get_var("SELECT DATE_FORMAT((DATE_ADD('${thisyear}0101', INTERVAL $d DAY) ), '%m')");
} elseif ( !empty($m) ) {
$thisyear = ''.intval(substr($m, 0, 4));
if ( strlen($m) < 6 )
$thismonth = '01';
else
$thismonth = ''.zeroise(intval(substr($m, 4, 2)), 2);
} else {
$thisyear = gmdate('Y', current_time('timestamp'));
$thismonth = gmdate('m', current_time('timestamp'));
}
$unixmonth = mktime(0, 0 , 0, $thismonth, 1, $thisyear);
ksort( $items );
$last_item_month_unix = 0;
$next_item_month_unix = 0;
if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'camino') !== false || strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false)
$ak_title_separator = "\n";
else
$ak_title_separator = ', ';
$daywithpost = array();
$ak_titles_for_day = array();
$day_links = array();
foreach( (array) $items as $item_date => $day_items ) {
$item_year = date( "Y", $item_date );
$item_month = date( "m", $item_date );
$item_day = date( "d", $item_date );
$item_month_unix = mktime(0, 0 , 0, $item_month, 1, $item_year);
if( $item_month_unix == $unixmonth ) {
$daywithpost[] = $item_day;
foreach( (array) $day_items as $item ) {
if ( !isset( $day_links[ $item_day ] ) )
$day_links[ $item_day ] = clean_url( $item['link'], true );
$post_title = apply_filters( "the_title", $item['title'] );
$post_title = str_replace('"', '"', wptexturize( $post_title ));
if ( empty($ak_titles_for_day['day_'.$item_day]) )
$ak_titles_for_day['day_'.$item_day] = '';
if ( empty($ak_titles_for_day["$item_day"]) ) // first one
$ak_titles_for_day["$item_day"] = $post_title;
else
$ak_titles_for_day["$item_day"] .= $ak_title_separator . $post_title;
}
}
if( $item_month_unix < $unixmonth && $item_month_unix > $last_item_month_unix )
$last_item_month_unix = $item_month_unix;
if( $item_month_unix > $unixmonth && ( $item_month_unix < $next_item_month_unix || 0 == $next_item_month_unix ) )
$next_item_month_unix = $item_month_unix;
}
// Get the next and previous month and year with at least one post
$previous = array( 'year' => date("Y", $last_item_month_unix),
'month' => date("m", $last_item_month_unix) );
$next = array( 'year' => date("Y", $next_item_month_unix),
'month' => date("m", $next_item_month_unix) );
echo '
' . sprintf(_c('%1$s %2$s|Used as a calendar caption'), $wp_locale->get_month($thismonth), date('Y', $unixmonth)) . '
';
$myweek = array();
for ( $wdcount=0; $wdcount<=6; $wdcount++ ) {
$myweek[] = $wp_locale->get_weekday(($wdcount+$week_begins)%7);
}
foreach ( $myweek as $wd ) {
$day_name = (true == $initial) ? $wp_locale->get_weekday_initial($wd) : $wp_locale->get_weekday_abbrev($wd);
echo "\n\t\t| $day_name | ";
}
echo '
';
/* upcoming feature
if ( $previous ) {
echo "\n\t\t".'| « ' . $wp_locale->get_month_abbrev($wp_locale->get_month($previous['month'])) . ' | ';
} else {
echo "\n\t\t".' | ';
}
echo "\n\t\t".' | ';
if ( $next ) {
echo "\n\t\t".'' . $wp_locale->get_month_abbrev($wp_locale->get_month($next['month'])) . ' » | ';
} else {
echo "\n\t\t".' | ';
}
*/
echo '
';
// See how much we should pad in the beginning
$pad = calendar_week_mod(date('w', $unixmonth)-$week_begins);
if ( 0 != $pad )
echo "\n\t\t".'| | ';
$daysinmonth = intval(date('t', $unixmonth));
for ( $day = 1; $day <= $daysinmonth; ++$day ) {
if ( isset($newrow) && $newrow )
echo "\n\t
\n\t\n\t\t";
$newrow = false;
if ( $day == gmdate('j', (time() + (get_option('gmt_offset') * 3600))) && $thismonth == gmdate('m', time()+(get_option('gmt_offset') * 3600)) && $thisyear == gmdate('Y', time()+(get_option('gmt_offset') * 3600)) )
echo '| ';
else
echo ' | ';
if ( in_array($day, $daywithpost) ) // any posts today?
echo '$day";
else
echo $day;
echo ' | ';
if ( 6 == calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins) )
$newrow = true;
}
$pad = 7 - calendar_week_mod(date('w', mktime(0, 0 , 0, $thismonth, $day, $thisyear))-$week_begins);
if ( $pad != 0 && $pad != 7 )
echo "\n\t\t".' | ';
echo "\n\t
\n\t\n\t
";
$output = ob_get_contents();
ob_end_clean();
$cache[ $key ] = $output;
wp_cache_set( 'get_30bcalendar', $cache, 'calendar' );
return $output;
}
function thirtybcalendar_widget( $url, $width=800, $height=590, $themeUri ) {
if ( !$args = parse_30boxes_url( $url ) )
return __( "The 30Boxes calendar URL is invalid!" );
extract( $args );
if ( !empty( $themeUri ) )
$themeadd='%26themeUri%3D' . $themeUri;
else
$themeadd='%26themeUri%3D/theme/default';
return '';
}
function thirtybevent_list( $url, $pastdays = 24, $futuredays = 24, $num_events=10, $show_description=1, $number='shortcode' ) {
if ( !$args = parse_30boxes_url( $url ) )
return __( "The 30Boxes calendar URL is invalid!" );
extract( $args );
if( !empty( $pastdays ) && 0 != (int) $pastdays && !empty( $futuredays ) && 0 != (int) $futuredays )
$dayfilter = '?daysForward=' . $futuredays . '&daysBack=' . $pastdays;
require_once(ABSPATH . WPINC . '/rss.php');
if ( !empty( $tags ) )
$rss_url = 'http://30boxes.com/rss/' . $ident . '/' . $name . '/' . $secret . '/' . $tags . $dayfilter;
else
$rss_url = 'http://30boxes.com/rss/' . $ident . '/' . $name . '/' . $secret . '/' . $dayfilter;
$rss = fetch_rss( $rss_url );
if ( is_array( $rss->items ) ) {
$items = array_slice( $rss->items, 0, $num_events );
$out = "\n";
}
return $out;
}
function get_30boxes_vars() {
$all_vars = array(
// name => check method|arguments|fallback
'title' => 'string|80|30Boxes',
'url' => 'string|255|',
'type' => 'in_array|sidebarcalendar,calwidget,eventlist|eventlist',
'width' => 'integer||',
'height' => 'integer||',
'themeUri' => 'string|255||',
'num_events' => 'integer||',
'num_events_list' => 'integer||',
'show_description' => 'integer||',
'futuredays' => 'futuredays|24|',
'pastdays' => 'pastdays|24|',
'sbfuturedays' => 'futuredays|24|',
'sbpastdays' => 'pastdays|24|',
);
return $all_vars;
}
function sanitize_30boxes_var($value, $check_string, $context = 'default' ) {
$check_array = split( "\|", $check_string );
if ( count( $check_array ) < 3 )
return false;
$method = $check_array[0];
$params = $check_array[1];
$default = $check_array[2];
$safe_value = '';
switch ( $method ) {
case "in_array":
if ( !in_array( $value, split(",", $params) ) )
$safe_value = $default;
else
$safe_value = $value;
break;
case "integer":
$safe_value = (int) $value;
break;
case "futuredays":
if( (int) $value > 24 )
$safe_value = 24;
else
$safe_value = (int) $value;
break;
case "pastdays":
if( (int) $value > 24 )
$safe_value = 24;
else
$safe_value = (int) $value;
break;
case "default":
case "string":
if ( empty( $value ) || strlen( $value ) > $params )
$safe_value = $default;
else
$safe_value = wp_specialchars( $value );
break;
}
if ( 'output' == $context )
$safe_value = attribute_escape( $safe_value );
return $safe_value;
}
function parse_30boxes_url( $url ) {
$url_split = split( "/", $url );
if ( count( $url_split ) < 8 )
return false;
if ( count( $url_split ) >= 8 )
$tags = $url_split[8];
else
$tags = '';
return array( 'ident' => $url_split[4], 'name' => $url_split[5], 'secret' => $url_split[6] . '/' . $url_split[7], 'private' => $url_split[7], 'secret_plain' => $url_split[6], 'tags' => $tags );
}
function thirtyb_shortcode( $attributes ) {
$allattributes = get_30boxes_vars();
foreach ( $allattributes AS $var_name => $check_string )
$$var_name = sanitize_30boxes_var( $attributes[$var_name], $check_string, 'output' );
switch ( $type ) {
case "sidebarcalendar":
$widget = thirtyb_getsidebarcalendar( $url, $pastdays, $futuredays, $number );
break;
case "calwidget":
$widget = thirtybcalendar_widget( $url, $width, $height, $themeUri );
break;
case "eventlist":
$widget = thirtybevent_list( $url, $pastdays, $futuredays, $num_events, $show_description, $number );
break;
}
return $widget;
}
add_shortcode( '30boxes', 'thirtyb_shortcode' );
function widget_30boxeswidget( $args, $widget_args = 1 ) {
extract( $args, EXTR_SKIP );
if ( is_numeric($widget_args) )
$widget_args = array( 'number' => $widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract( $widget_args, EXTR_SKIP );
$options = get_option('widget_30boxeswidget');
if ( !isset($options[$number]) )
return;
$allvars = get_30boxes_vars();
foreach ( $allvars AS $var_name => $check_string )
$$var_name = sanitize_30boxes_var( $options[$number][$var_name], $check_string, 'output' );
switch ( $type ) {
case "calwidget":
$widget = thirtybcalendar_widget( $url, $width, $height, $themeUri );
break;
case "eventlist":
$widget = thirtybevent_list( $url, $pastdays, $futuredays, $num_events_list, $show_description, $number );
break;
case "sidebarcalendar":
$widget = thirtyb_getsidebarcalendar( $url, $pastdays, $futuredays, $number );
break;
}
?>
" . $title . "" . $after_title; ?>
$widget_args );
$widget_args = wp_parse_args( $widget_args, array( 'number' => -1 ) );
extract( $widget_args, EXTR_SKIP );
// Data should be stored as array: array( number => data for that instance of the widget, ... )
$options = get_option('widget_30boxeswidget');
if ( !is_array($options) )
$options = array();
$allvars = get_30boxes_vars();
// We need to update the data
if ( !$updated && !empty($_POST['sidebar']) ) {
// Tells us what sidebar to put the data in
$sidebar = (string) $_POST['sidebar'];
$sidebars_widgets = wp_get_sidebars_widgets();
if ( isset($sidebars_widgets[$sidebar]) )
$this_sidebar =& $sidebars_widgets[$sidebar];
else
$this_sidebar = array();
foreach ( $this_sidebar as $_widget_id ) {
if ( 'widget_30boxeswidget' == $wp_registered_widgets[$_widget_id]['callback'] && isset($wp_registered_widgets[$_widget_id]['params'][0]['number']) ) {
$widget_number = $wp_registered_widgets[$_widget_id]['params'][0]['number'];
if ( !in_array( "30boxeswidget-$widget_number", $_POST['widget-id'] ) )
unset($options[$widget_number]);
}
}
foreach ( (array) $_POST['widget-30boxeswidget'] as $widget_number => $widget_30boxeswidget_instance ) {
$continue = true;
$tmp_options = array();
foreach ( $allvars AS $var_name => $check_string ) {
if ( isset( $widget_30boxeswidget_instance[$var_name] ) ) {
$continue = false;
$$var_name = sanitize_30boxes_var( $widget_30boxeswidget_instance[$var_name], $check_string );
$tmp_options[$var_name] = $$var_name;
} else {
$$var_name = '';
}
}
if ( true === $continue )
continue;
$options[$widget_number] = $tmp_options;
}
update_option('widget_30boxeswidget', $options);
$updated = true; // So that we don't go through this more than once
}
if ( -1 == $number ) {
$number = '%i%';
foreach ( $allvars AS $var_name => $check_string)
$$var_name = '';
} else {
foreach ( $allvars AS $var_name => $check_string)
$$var_name = attribute_escape($options[$number][$var_name]);
}
?>
'widget_30boxeswidget', 'description' => __('30Boxes.com calendar widget'));
$control_ops = array('id_base' => '30boxeswidget');
$name = __('30Boxes');
$registered = false;
foreach ( array_keys($options) as $o ) {
$continue = true;
$tmp_options = array();
foreach ( $allvars AS $var_name => $check_string ) {
if ( isset( $options[$o][$var_name] ) ) {
$continue = false;
}
}
if ( true === $continue )
continue;
$id = "30boxeswidget-$o";
$registered = true;
wp_register_sidebar_widget( $id, $name, 'widget_30boxeswidget', $widget_ops, array( 'number' => $o ) );
wp_register_widget_control( $id, $name, 'widget_30boxeswidget_control', $control_ops, array( 'number' => $o ) );
$instcount++;
}
if ( !$registered ) {
wp_register_sidebar_widget( '30boxeswidget-1', $name, 'widget_30boxeswidget', $widget_ops, array( 'number' => -1 ) );
wp_register_widget_control( '30boxeswidget-1', $name, 'widget_30boxeswidget_control', $control_ops, array( 'number' => -1) );
}
}
add_action( 'init', 'widget_30boxeswidget_register' )
?>