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<?php
/**
* Widget functions / views
*
*/
// Exit if accessed directly.
if (!defined('ABSPATH')) {
exit;
}
/**
* Class functions for the SC widgets
*/
class ECWD_Widget extends WP_Widget {
function __construct() {
parent::__construct(
false, $name = __('Event Calendar WD', 'event-calendar-wd'), array('description' => __('Descr', 'event-calendar-wd'))
);
}
/**
* Widget HTML output
*/
function widget($args, $instance) {
$markup = '';
extract($args);
//Output before widget stuff
echo $before_widget;
// Check whether any calendars have been added yet
if (wp_count_posts(ECWD_PLUGIN_PREFIX . '_calendar')->publish > 0) {
//Output title stuff
$title = empty($instance['title']) ? '' : apply_filters('widget_title', $instance['title']);
if (!empty($title)) {
echo $before_title . $title . $after_title;
}
$no_events_exist = true;
$calendar_ids = array();
if (!empty($instance['id'])) {
//Break comma delimited list of event ids into array
$calendar_ids = explode(',', str_replace(' ', '', $instance['id']));
//Check each id is an integer, if not, remove it from the array
foreach ($calendar_ids as $key => $calendar_id) {
if (0 == absint($calendar_id))
unset($calendar_ids[$key]);
}
//If at least one of the event ids entered exists, set no_events_exist to false
foreach ($calendar_ids as $calendar_id) {
if (false !== get_post_meta($calendar_id))
$no_events_exist = false;
}
} else {
if (current_user_can('manage_options')) {
_e('No valid Event IDs have been entered for this widget. Please check that you have entered the IDs correctly in the widget settings (Appearance > Widgets), and that the Events have not been deleted.', 'event-calendar-wd');
}
}
//Check that at least one valid event id has been entered
if (!empty($calendar_ids)) {
//Turns event_ids back into string or event ids delimited by '-' ('1-2-3-4' for example)
$calendar_ids = implode('-', $calendar_ids);
$title_text = (!empty($instance['display_title_text']) ? $instance['display_title_text'] : null );
$sort_order = ( isset($instance['order']) ) ? $instance['order'] : 'asc';
$page_items = ( isset($instance['page_items']) ) ? $instance['page_items'] : '5';
$args = array(
'title_text' => $title_text,
'sort' => $sort_order,
'page_items' => $page_items,
'month' => null,
'year' => null,
'widget' => 1,
'widget_theme' => (!isset($instance['theme']) || $instance['theme'] == "calendar_theme") ? null : $instance['theme']
);
$markup = ecwd_print_calendar($calendar_ids, $instance['display_type'], $args, true);
echo $markup;
}
} else {
if (current_user_can('manage_options')) {
_e('You have not added any events yet.', 'event-calendar-wd');
} else {
return;
}
}
//Output after widget stuff
echo $after_widget;
}
/**
* Update settings when saved
*/
function update($new_instance, $old_instance) {
$instance = $old_instance;
$instance['title'] = esc_html($new_instance['title']);
$instance['id'] = esc_html($new_instance['id']);
$instance['display_type'] = esc_html($new_instance['display_type']);
$instance['page_items'] = esc_html($new_instance['page_items']);
$instance['theme'] = esc_html($new_instance['theme']);
return $instance;
}
/**
*
* @param type $instance widget form in admin
*/
function form($instance) {
// Check for existing events and if there are none then display a message and return
if (wp_count_posts(ECWD_PLUGIN_PREFIX . '_calendar')->publish <= 0) {
echo '<p>' . __('There are no calendars created yet.', 'event-calendar-wd') .
' <a href="' . admin_url('edit.php?post_type=ecwd_calendar') . '">' . __('Add your first calendar!', 'event-calendar-wd') . '</a>' .
'</p>';
return;
}
$type = ECWD_PLUGIN_PREFIX . '_calendar';
$args = array(
'post_type' => $type,
'post_status' => 'publish',
'posts_per_page' => -1,
'ignore_sticky_posts' => 1
);
$calendar_posts = get_posts($args);
$title = ( isset($instance['title']) ) ? $instance['title'] : '';
$ids = ( isset($instance['id']) ) ? $instance['id'] : '';
$selected_theme = ( isset($instance['theme']) ) ? $instance['theme'] : '';
$display_type = ( isset($instance['display_type']) ) ? $instance['display_type'] : 'mini';
$page_items = ( isset($instance['page_items']) ) ? $instance['page_items'] : '5';
?>
<p>
<label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:', 'event-calendar-wd'); ?></label>
<input type="text" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $title; ?>" class="widefat" />
</p>
<p>
<label for="<?php echo $this->get_field_id('id'); ?>">
<?php _e('Calendar to display', 'event-calendar-wd'); ?>
</label>
<?php if ($calendar_posts) { ?>
<select id="<?php echo $this->get_field_id('id'); ?>" name="<?php echo $this->get_field_name('id'); ?>" class="widefat">
<?php foreach ($calendar_posts as $calendar_post) {
?>
<option value="<?php echo $calendar_post->ID; ?>" <?php selected($ids, $calendar_post->ID); ?>><?php echo $calendar_post->post_title; ?></option>
<?php } ?>
</select>
<?php } ?>
</p>
<p>
<label for="<?php echo $this->get_field_id('display_type'); ?>"><?php _e('Display Events as:', 'event-calendar-wd'); ?></label>
<select id="<?php echo $this->get_field_id('display_type'); ?>" name="<?php echo $this->get_field_name('display_type'); ?>" class="widefat">
<option value="mini"<?php selected($display_type, 'mini'); ?>><?php _e('Month', 'event-calendar-wd'); ?></option>
<option value="list"<?php selected($display_type, 'list'); ?>><?php _e('List', 'event-calendar-wd'); ?></option>
<option value="week" <?php selected($display_type, 'week'); ?>><?php _e('Week', 'event-calendar-wd'); ?></option>
<option value="day" <?php selected($display_type, 'day'); ?>><?php _e('Day', 'event-calendar-wd'); ?></option>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id('theme'); ?>"><?php _e('Calendar theme', 'event-calendar-wd'); ?></label>
<select id="<?php echo $this->get_field_id('theme'); ?>"
name="<?php echo $this->get_field_name('theme'); ?>"
class="widefat">
<option
value="calendar_theme" <?php selected($selected_theme, "calendar_theme"); ?>><?php _e('Calendar theme', 'event-calendar-wd'); ?></option>
<option
value="calendar" <?php selected($selected_theme, "calendar"); ?>><?php _e('Default Blue', 'event-calendar-wd'); ?></option>
<option
value="calendar_grey" <?php selected($selected_theme, "calendar_grey"); ?>><?php _e('Grey', 'event-calendar-wd'); ?></option>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id('page_items'); ?>"><?php _e('Events per page in list view:', 'event-calendar-wd'); ?></label>
<input type="text" id="<?php echo $this->get_field_id('page_items'); ?>" name="<?php echo $this->get_field_name('page_items'); ?>" value="<?php echo $page_items; ?>" class="widefat" />
</p>
<?php
}
}
if(defined('ECWD_MAIN_FILE') && is_plugin_active(ECWD_MAIN_FILE)) {
add_action('widgets_init', 'ecwd_register_widget');
}
function ecwd_register_widget(){
register_widget("ECWD_Widget");
}