public function widget($args, $instance)
{
extract($args);
/* User-selected settings. */
$title = apply_filters('widget_title', $instance['title']);
// get the current post
global $post;
if (isset($post->post_content)) {
// check the post content for the short code
if (strpos($post->post_content, '[ESPRESSO_CALENDAR') === FALSE) {
// Before widget (defined by themes).
echo $before_widget;
// Title of widget (before and after defined by themes).
if ($title) {
echo $before_title . $title . $after_title;
}
$attributes = array('event_category_id' => $instance['category_id'], 'show_expired' => $instance['show_expired'], 'cal_view' => 'month', 'widget' => TRUE, 'header_left' => 'prev', 'header_center' => 'title', 'header_right' => 'next', 'titleFormat_month' => 'MMM yyyy');
// get calendar options
$calendar_options = get_option('espresso_calendar_options', array());
if (isset($calendar_options['show_tooltips']) && $calendar_options['show_tooltips'] ? TRUE : FALSE) {
wp_enqueue_style('qtip');
wp_enqueue_script('jquery-qtip');
}
wp_enqueue_style('fullcalendar');
wp_enqueue_style('espresso_calendar');
wp_enqueue_script('espresso_calendar');
echo EE_Calendar::instance()->espresso_calendar($attributes);
// After widget (defined by themes).
echo $after_widget;
}
}
}
/**
*@singleton method used to instantiate class object
*@access public
*@return EE_Calendar instance
*/
public static function instance()
{
// check if class object is instantiated
if (self::$_instance === NULL or !is_object(self::$_instance) or !is_a(self::$_instance, __CLASS__)) {
self::$_instance = new self();
}
return self::$_instance;
}
function load_espresso_calendar_class()
{
// check for duplicate copy of Calendar addon
if (class_exists('EE_Calendar')) {
EE_Error::add_error(sprintf(__('It appears there are multiple copies of the Event Espresso Calendar installed on your server.%sPlease remove (delete) all copies except for this version: "%s"', 'event_espresso'), '<br />', EE_CALENDAR_VERSION), __FILE__, __FUNCTION__, __LINE__);
add_action('admin_notices', 'espresso_calendar_activation_error');
return;
}
// todo: remove version check since this has been added to later versions of register_addon in EE core
if (class_exists('EE_Addon') && version_compare(EVENT_ESPRESSO_VERSION, EE_CORE_VERSION_REQUIRED, '>=')) {
// calendar_version
require_once plugin_dir_path(__FILE__) . 'EE_Calendar.class.php';
EE_Calendar::register_addon();
} else {
add_action('admin_notices', 'espresso_calendar_activation_error');
}
}
/**
* Add a settings link to the Plugins page, so people can go straight from the plugin page to the
* settings page.
*/
public function plugin_actions($links, $file)
{
$calendar_file = EE_Calendar::plugin_file();
if ($file == $calendar_file) {
$org_settings_link = '<a href="admin.php?page=espresso_calendar">' . __('Settings') . '</a>';
array_unshift($links, $org_settings_link);
// before other links
}
return $links;
}
