/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args
* Widget arguments.
* @param array $instance
* Saved values from database.
* @since 2.0.0
* @author Panagiotis Vagenas <*****@*****.**>
*/
public function widget($args, $instance)
{
global $post;
// get instance of main plugin
$plugin = easyRelatedPosts::get_instance();
// check if it's time to take action
if (is_single($post->ID)) {
if ($plugin->isInExcludedPostTypes($post) || $plugin->isInExcludedTaxonomies($post)) {
return;
}
// Fill missing options
if (empty($instance)) {
$instance = erpDefaults::$comOpts + erpDefaults::$widOpts;
} else {
$instance = $instance + erpDefaults::$comOpts + erpDefaults::$widOpts;
}
erpPaths::requireOnce(erpPaths::$erpRelated);
erpPaths::requireOnce(erpPaths::$erpMainOpts);
erpPaths::requireOnce(erpPaths::$erpWidOpts);
$mainOpts = new erpMainOpts();
$instance['tags'] = $mainOpts->getTags();
$instance['categories'] = $mainOpts->getCategories();
$instance['postTypes'] = $mainOpts->getPostTypes();
$widOpts = new erpWidOpts($instance);
// Get related
$relatedObj = erpRelated::get_instance($widOpts);
$wpQ = $relatedObj->getRelated($post->ID);
// If we have some posts to show
if ($wpQ->have_posts()) {
// Get template instance for the specific widget number
erpPaths::requireOnce(erpPaths::$VPluginThemeFactory);
VPluginThemeFactory::registerThemeInPathRecursive(erpPaths::getAbsPath(erpPaths::$widgetThemesFolder), $instance['dsplLayout']);
$theme = VPluginThemeFactory::getThemeByName($instance['dsplLayout']);
if (!$theme) {
return $this->displayEmptyWidget($args, $instance);
}
$theme->setOptions($instance);
$theme->formPostData($wpQ, $widOpts, $relatedObj->getRatingsFromRelDataObj());
$content = $theme->renderW($this->number);
echo $args['before_widget'];
echo $args['before_title'] . $instance['title'] . $args['after_title'];
echo $content;
echo $args['after_widget'];
} else {
// else diplay empty widget
$this->displayEmptyWidget($args, $instance);
}
}
}
/**
* Initialize the plugin by loading admin scripts & styles and adding a
* settings page and menu.
*
* @since 2.0.0
*/
private function __construct()
{
/**
* *****************************************************
* admin class should only be available for super admins
* *****************************************************
*/
if (!is_super_admin()) {
return;
}
/**
* ******************************************************
* Call $plugin_slug from public plugin class.
* *****************************************************
*/
$plugin = easyRelatedPosts::get_instance();
$this->plugin_slug = $plugin->get_plugin_slug();
// Load admin style sheet and JavaScript.
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_styles'));
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
/**
* ******************************************************
* Add the options page and menu item.
* *****************************************************
*/
add_action('admin_menu', array($this, 'add_plugin_admin_menu'));
/**
* ******************************************************
* Add an action link pointing to the options page.
* *****************************************************
*/
$plugin_basename = plugin_basename(plugin_dir_path(__DIR__) . 'easy_related_posts.php');
add_filter('plugin_action_links_' . $plugin_basename, array($this, 'add_action_links'));
/**
* ******************************************************
* Save options
* *****************************************************
*/
add_action('admin_post_save_' . EPR_MAIN_OPTIONS_ARRAY_NAME, array($this, 'saveOptions'));
/**
* ******************************************************
* Ajax hooks
* *****************************************************
*/
add_action('wp_ajax_loadTemplateOptions', array($this, 'loadTemplateOptions'));
}
/**
* Return an instance of this class.
*
* @since 2.0.0
* @return easyRelatedPosts A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
