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<?php |
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// Not allowed by directly accessing. |
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if(!defined('ABSPATH')){ |
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die('Access not allowed!'); |
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} |
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|
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/** |
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* Main class for front display |
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* |
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* @package LoftLoader |
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* @link http://www.loftocean.com/ |
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* @author Suihai Huang from Loft Ocean Team |
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|
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* @since version 1.0 |
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*/ |
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|
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if(!class_exists('LoftLoader_Front')){ |
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class LoftLoader_Front{ |
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private $loader_enabled; // Flag to tell whether loftloader enabled |
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private $homepage_only; // Flag to tell show loftloader on homepage only |
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private $loader_settings; // Get the loader settings |
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public function __construct(){ |
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$this->get_settings(); |
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if($this->loader_enabled){ |
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if(!$this->homepage || is_front_page()){ |
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add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts')); |
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add_action('wp_head', array($this, 'loader_custom_styles'), 100); |
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add_action('wp_footer', array($this, 'show_loader_html')); |
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} |
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} |
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} |
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/** |
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* @description get the plugin settings |
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*/ |
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public function get_settings(){ |
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$default = apply_filters('loftloader_settings_default_value', array()); |
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$settings = get_option('loftloader-custom-settings', $default); |
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$this->loader_enabled = (!empty($settings['enable']) && ($settings['enable'] == 'on')) ? true : false; |
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$this->homepage = (!empty($settings['homepage']) && ($settings['homepage'] == 'on')) ? true : false; |
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$this->loader_settings = $settings; |
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} |
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/** |
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* @description enqueue the scripts and styles for front end |
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*/ |
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public function enqueue_scripts(){ |
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wp_enqueue_script('loftloader-front-main', LOFTLOADER_JS_URI . 'front/loftloader.js', array('jquery'), '1.0', true); |
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wp_enqueue_style('loftloader-animation'); |
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} |
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/** |
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* @description custom css for front end |
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*/ |
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public function loader_custom_styles(){ |
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$styles = get_option('loftloader-custom-styles', ''); |
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echo empty($styles) ? '' : '<style type="text/css">' . $styles . '</style>'; |
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ob_start(); |
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} |
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/** |
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* @description loftloader html |
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*/ |
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public function show_loader_html(){ |
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$loader = $this->loader_settings['settings']; // Preloader settings |
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$background = $loader['background']; // Preloader background settings |
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$animation = $loader['animation']; // Preloader animation settings |
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$html = '<div id="loftloader-wrapper" class="' . $animation['type'] . '">'; |
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$html .= '<div class="loader-inner"><div id="loader">'; |
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$html .= in_array($animation['type'], array('pl-frame', 'pl-imgloading')) |
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? '<span></span><img srcset="' . $animation['image']['url'] . '" src="' . $animation['image']['url'] . '" alt="preloder">' : '<span></span>'; |
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$html .= '</div></div>'; |
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switch($background['effect']){ |
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case 'fade': |
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$html .= '<div class="loader-section section-fade"></div>'; |
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break; |
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case 'slide-up': |
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$html .= '<div class="loader-section section-slide-up"></div>'; |
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break; |
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case 'slide-up-down': |
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$html .= '<div class="loader-section section-up"></div>'; |
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$html .= '<div class="loader-section section-down"></div>'; |
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break; |
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default: |
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$html .= '<div class="loader-section section-left">'; |
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$html .= '</div><div class="loader-section section-right"></div>'; |
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} |
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$html .= '</div>'; |
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|
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$origin = ob_get_clean(); |
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$regexp ='/<body[^>]*>/i'; |
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if(preg_match($regexp, $origin, $match)){ |
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$html = $match[0] . $html; |
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echo preg_replace($regexp, $html, $origin); |
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} |
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else{ |
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echo $origin . $html; |
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} |
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} |
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} |
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new LoftLoader_Front(); |
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} |
