function gce_ajax()
{
if (isset($_GET['gce_feed_ids'])) {
$ids = $_GET['gce_feed_ids'];
$title = $_GET['gce_title_text'];
$max = $_GET['gce_max_events'];
$month = $_GET['gce_month'];
$year = $_GET['gce_year'];
$title = 'null' == $title ? null : $title;
if ('page' == $_GET['gce_type']) {
//The page grid markup to be returned via AJAX
echo gce_print_grid($ids, $title, $max, true, $month, $year);
} elseif ('widget' == $_GET['gce_type']) {
$widget = esc_html($_GET['gce_widget_id']);
//The widget grid markup to be returned via AJAX
gce_widget_content_grid($ids, $title, $max, $widget, true, $month, $year);
}
}
die;
}
function widget($args, $instance)
{
extract($args);
//Output before widget stuff
echo $before_widget;
//Get saved feed options
$options = get_option(GCE_OPTIONS_NAME);
//Check whether any feeds have been added yet
if (is_array($options) && !empty($options)) {
//Output title stuff
$title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
if (!empty($title)) {
echo $before_title . $title . $after_title;
}
$no_feeds_exist = true;
$feed_ids = array();
if ('' != $instance['id']) {
//Break comma delimited list of feed ids into array
$feed_ids = explode(',', str_replace(' ', '', $instance['id']));
//Check each id is an integer, if not, remove it from the array
foreach ($feed_ids as $key => $feed_id) {
if (0 == absint($feed_id)) {
unset($feed_ids[$key]);
}
}
//If at least one of the feed ids entered exists, set no_feeds_exist to false
foreach ($feed_ids as $feed_id) {
if (isset($options[$feed_id])) {
$no_feeds_exist = false;
}
}
} else {
foreach ($options as $feed) {
$feed_ids[] = $feed['id'];
}
$no_feeds_exist = false;
}
//Check that at least one valid feed id has been entered
if (empty($feed_ids) || $no_feeds_exist) {
if (current_user_can('manage_options')) {
_e('No valid Feed IDs have been entered for this widget. Please check that you have entered the IDs correctly in the widget settings (Appearance > Widgets), and that the Feeds have not been deleted.', GCE_TEXT_DOMAIN);
} else {
$options = get_option(GCE_GENERAL_OPTIONS_NAME);
echo $options['error'];
}
} else {
//Turns feed_ids back into string or feed ids delimited by '-' ('1-2-3-4' for example)
$feed_ids = implode('-', $feed_ids);
$title_text = $instance['display_title'] ? $instance['display_title_text'] : null;
$max_events = isset($instance['max_events']) ? $instance['max_events'] : 0;
$sort_order = isset($instance['order']) ? $instance['order'] : 'asc';
//Output correct widget content based on display type chosen
switch ($instance['display_type']) {
case 'grid':
echo '<div class="gce-widget-grid" id="' . $args['widget_id'] . '-container">';
//Output main widget content as grid (no AJAX)
gce_widget_content_grid($feed_ids, $title_text, $max_events, $args['widget_id'] . '-container');
echo '</div>';
break;
case 'ajax':
echo '<div class="gce-widget-grid" id="' . $args['widget_id'] . '-container">';
//Output main widget content as grid (with AJAX)
gce_widget_content_grid($feed_ids, $title_text, $max_events, $args['widget_id'] . '-container', true);
echo '</div>';
break;
case 'list':
echo '<div class="gce-widget-list" id="' . $args['widget_id'] . '-container">';
//Output main widget content as list
gce_widget_content_list($feed_ids, $title_text, $max_events, $sort_order);
echo '</div>';
break;
case 'list-grouped':
echo '<div class="gce-widget-list" id="' . $args['widget_id'] . '-container">';
//Output main widget content as a grouped list
gce_widget_content_list($feed_ids, $title_text, $max_events, $sort_order, true);
echo '</div>';
break;
}
}
} else {
if (current_user_can('manage_options')) {
_e('No feeds have been added yet. You can add a feed in the Google Calendar Events settings.', GCE_TEXT_DOMAIN);
} else {
$options = get_option(GCE_GENERAL_OPTIONS_NAME);
echo $options['error'];
}
}
//Output after widget stuff
echo $after_widget;
}