advanced-backgrounds / advanced-backgrounds.php

advanced-backgrounds.php in Advanced WordPress Backgrounds 1.3.2, at advanced-backgrounds.php

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1	<?php
2	/**
3	* Plugin Name: Advanced WordPress Backgrounds
4	* Description: Parallax, Video, Images Backgrounds
5	* Version: 1.3.2
6	* Author: nK
7	* Author URI: https://nkdev.info
8	* License: GPLv2 or later
9	* License URI: https://www.gnu.org/licenses/gpl-2.0.html
10	* Text Domain: advanced-backgrounds
11	*/
12
13	// Make sure we don't expose any info if called directly
14	if ( !function_exists( 'add_action' ) ) {
15	echo 'Hi there! I\'m just a plugin, not much I can do when called directly.';
16	exit;
17	}
18
19
20	/**
21	* nK Theme Helper Class
22	*/
23	class nK_AWB {
24	/**
25	* The single class instance.
26	*/
27	private static $_instance = null;
28
29	/**
30	* Main Instance
31	* Ensures only one instance of this class exists in memory at any one time.
32	*/
33	public static function instance () {
34	if ( is_null( self::$_instance ) ) {
35	self::$_instance = new self();
36	self::$_instance->init();
37	self::$_instance->init_hooks();
38	}
39	return self::$_instance;
40	}
41
42	public $plugin_path;
43	public $plugin_url;
44	public $plugin_name;
45	public $plugin_version;
46	public $plugin_slug;
47	public $plugin_name_sanitized;
48
49	public function __construct() {
50	/* We do nothing here! */
51	}
52
53	/**
54	* Init translation
55	*/
56	public function init () {
57	$this->plugin_path = plugin_dir_path(__FILE__);
58	$this->plugin_url = plugin_dir_url(__FILE__);
59
60	// get current plugin data
61	$data = get_file_data(__FILE__, array(
62	'Name' => 'Name',
63	'Version' => 'Version',
64	));
65	$this->plugin_name = $data['Name'];
66	$this->plugin_version = $data['Version'];
67	$this->plugin_slug = plugin_basename(__FILE__, '.php');
68	$this->plugin_name_sanitized = basename(__FILE__, '.php');
69
70	// load textdomain
71	load_plugin_textdomain( 'advanced-backgrounds', false, dirname( plugin_basename(__FILE__) ) . '/languages/' );
72
73	// include helper files
74	$this->include_dependencies();
75
76	// clear caches
77	$this->clear_expired_caches();
78
79	// init classes
80	new nK_AWB_Shortcode();
81	new nK_AWB_VC_Extend();
82	new nK_AWB_TinyMCE();
83	}
84
85	public function init_hooks() {
86	add_action( 'wp_enqueue_scripts', array( $this, 'register_scripts' ) );
87	}
88
89	/**
90	* Register scripts that will be used in the future when portfolio will be printed.
91	*/
92	public function register_scripts() {
93	wp_register_script('jarallax', nk_awb()->plugin_url . 'assets/vendor/jarallax/jarallax.min.js', array('jquery'), '1.9.0', true);
94	wp_register_script('jarallax-video', nk_awb()->plugin_url . 'assets/vendor/jarallax/jarallax-video.min.js', array('jarallax'), '1.9.0', true);
95	wp_register_script('object-fit-images', nk_awb()->plugin_url . 'assets/vendor/object-fit-images/ofi.min.js', '', '', true);
96	wp_register_script('nk-awb', nk_awb()->plugin_url . 'assets/awb/awb.js', array('jquery', 'jarallax', 'jarallax-video', 'object-fit-images'), nk_awb()->plugin_version, true);
97	wp_register_style('nk-awb', nk_awb()->plugin_url . 'assets/awb/awb.css', '', nk_awb()->plugin_version);
98
99	// add styles to header to fix image jumping
100	wp_enqueue_style('nk-awb');
101	}
102
103	// include
104	private function include_dependencies () {
105	require_once($this->plugin_path . 'classes/class-shortcode.php');
106	require_once($this->plugin_path . 'classes/class-vc-extend.php');
107	require_once($this->plugin_path . 'classes/class-tinymce.php');
108	}
109
110
111	/**
112	* Options
113	*/
114	private function get_options () {
115	$options_slug = 'nk_awb_options';
116	return unserialize( get_option($options_slug, 'a:0:{}') );
117	}
118	public function update_option ($name, $value) {
119	$options_slug = 'nk_awb_options';
120	$options = self::get_options();
121	$options[self::sanitize_key($name)] = $value;
122	update_option($options_slug, serialize($options));
123	}
124	public function get_option ($name, $default = null) {
125	$options = self::get_options();
126	$name = self::sanitize_key($name);
127	return isset($options[$name]) ? $options[$name] : $default;
128	}
129	private function sanitize_key ($key) {
130	return preg_replace( '/[^A-Za-z0-9\_]/i', '', str_replace( array( '-', ':' ), '_', $key ) );
131	}
132
133
134	/**
135	* Cache
136	* $time in seconds
137	*/
138	private function get_caches () {
139	$caches_slug = 'cache';
140	return $this->get_option($caches_slug, array());
141	}
142	public function set_cache ($name, $value, $time = 3600) {
143	if(!$time \|\| $time <= 0) {
144	return;
145	}
146	$caches_slug = 'cache';
147	$caches = self::get_caches();
148
149	$caches[self::sanitize_key($name)] = array(
150	'value' => $value,
151	'expired' => time() + ((int) $time ? $time : 0)
152	);
153	$this->update_option($caches_slug, $caches);
154	}
155	public function get_cache ($name, $default = null) {
156	$caches = self::get_caches();
157	$name = self::sanitize_key($name);
158	return isset($caches[$name]['value']) ? $caches[$name]['value'] : $default;
159	}
160	public function clear_cache ($name) {
161	$caches_slug = 'cache';
162	$caches = self::get_caches();
163	$name = self::sanitize_key($name);
164	if(isset($caches[$name])) {
165	$caches[$name] = null;
166	$this->update_option($caches_slug, $caches);
167	}
168	}
169	public function clear_expired_caches () {
170	$caches_slug = 'cache';
171	$caches = self::get_caches();
172	foreach($caches as $k => $cache) {
173	if(isset($cache) && isset($cache['expired']) && $cache['expired'] < time()) {
174	$caches[$k] = null;
175	}
176	}
177	$this->update_option($caches_slug, $caches);
178	}
179	}
180
181	function nk_awb () {
182	return nK_AWB::instance();
183	}
184	add_action('plugins_loaded', 'nk_awb' );
185