wppizza / classes / modules / mod.layout.custom_css.php

mod.layout.custom_css.php in WPPizza – A Restaurant Plugin 3.20, at classes/modules/mod.layout.custom_css.php

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1	<?php
2	/**
3	* WPPIZZA_MODULE_LAYOUT_CUSTOM_CSS Class
4	*
5	* @package WPPIZZA
6	* @subpackage WPPIZZA_MODULE_LAYOUT_CUSTOM_CSS
7	* @copyright Copyright (c) 2015, Oliver Bach
8	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
9	* @since 3.0
10	*
11	*/
12	if ( ! defined( 'ABSPATH' ) ) exit;/Exit if accessed directly/
13
14
15	/************************************************************************************************************************
16	*
17	*
18	*
19	*
20	*
21	*
22	************************************************************************************************************************/
23	class WPPIZZA_MODULE_LAYOUT_CUSTOM_CSS{
24
25	private $settings_page = 'layout';/* which admin subpage (identified there by this->class_key) are we adding this to */
26	private $section_key = 'custom_css';/* must be unique */
27	private $module_priority = 21;/* display order (priority) of settings in subpage */
28
29	function __construct() {
30	/**********************************************************
31	[add settings to admin]
32	***********************************************************/
33	if(is_admin()){
34	/* add admin options settings page*/
35	add_filter('wppizza_filter_settings_sections_'.$this->settings_page.'', array($this, 'admin_options_settings'), $this->module_priority, 5);
36	/* add admin options settings page fields */
37	add_action('wppizza_admin_settings_section_fields_'.$this->settings_page.'', array($this, 'admin_options_fields_settings'), 10, 5);
38	/add default options /
39	add_filter('wppizza_filter_setup_default_options', array( $this, 'options_default'));
40	/validate options/
41	add_filter('wppizza_filter_options_validate', array( $this, 'options_validate'), 10, 2 );
42	}
43	}
44
45	/*******************************************************************************************************************************************************
46	*
47	*
48	*
49	* [frontend filters]
50	*
51	*
52	*
53	********************************************************************************************************************************************************/
54
55
56
57	/*******************************************************************************************************************************************************
58	*
59	*
60	*
61	* [add admin page options]
62	*
63	*
64	*
65	********************************************************************************************************************************************************/
66
67	/*------------------------------------------------------------------------------
68	#
69	#
70	# [settings page]
71	#
72	#
73	------------------------------------------------------------------------------*/
74
75	/*------------------------------------------------------------------------------
76	# [settings section - setting page]
77	# @since 3.0
78	# @return array()
79	------------------------------------------------------------------------------*/
80	function admin_options_settings($settings, $sections, $fields, $inputs, $help){
81
82	/section/
83	if($sections){
84	$settings['sections'][$this->section_key] = __('Custom CSS', 'wppizza-admin');
85	}
86	/fields/
87	if($fields){
88
89	$field = 'custom_css';
90	$settings['fields'][$this->section_key][$field] = array( __('Enter your Custom CSS', 'wppizza-admin') , array(
91	'value_key'=>$field,
92	'option_key'=>$this->settings_page,
93	'label'=>'',
94	'description'=>array()
95	));
96	}
97
98	/help/
99	if($help){
100	$settings['help'][$this->section_key][] = array(
101	'label'=>__('Custom CSS', 'wppizza-admin'),
102	'description'=>array(
103	__('Enter any custom css declaration. The created css file (or added <style> declarations if creation of the file fails due to server restrictions) will be loaded after any/all other wppizza css or omitted if empty', 'wppizza-admin'),
104	)
105	);
106	}
107
108
109	return $settings;
110	}
111	/*------------------------------------------------------------------------------
112	# [output option fields - setting page]
113	# @since 3.0
114	# @return array()
115	------------------------------------------------------------------------------*/
116	function admin_options_fields_settings($wppizza_options, $options_key, $field, $label, $description){
117
118
119	if($field=='custom_css'){
120	$custom_css = get_option(WPPIZZA_SLUG.'_custom_css','');
121	print'<label>';
122	print'<div>' . $label . '</div>';
123	print "<textarea id='".$field."' rows='10' cols='75' name='".WPPIZZA_SLUG."[".$options_key."][".$field."]'>". esc_textarea($custom_css)."</textarea>";
124	print'</label>';
125	print'' . $description . '';
126	}
127	}
128
129	/****************************************************************
130	*
131	* [insert default option on install]
132	* $parameter $options array() \| filter passing on filtered options
133	* @since 3.0
134	* @return array()
135	*
136	****************************************************************/
137	function options_default($options){
138
139	/*
140	current set custom css settings - if any
141	*/
142	$current_custom_css = get_option(WPPIZZA_SLUG.'_custom_css', false);
143
144	/*
145	custom css option
146	*/
147	$user_css = empty($current_custom_css) ? '' : $current_custom_css ;
148	$update_user_css = update_option(WPPIZZA_SLUG.'_custom_css', $user_css, false);
149
150	/*
151	last update and loading type
152	*/
153	$options[$this->settings_page]['custom_css_version'] = time();
154	$options[$this->settings_page]['custom_css_type'] = 'none';
155
156	return $options;
157	}
158
159	/*------------------------------------------------------------------------------
160	# [validate options on save/update]
161	#
162	# @since 3.0
163	# @return array()
164	------------------------------------------------------------------------------*/
165	function options_validate($options, $input){
166	/make sure we get the full array on install/update/
167	if ( empty( $_POST['_wp_http_referer'] ) ) {
168	return $input;
169	}
170	if(isset($_POST[''.WPPIZZA_SLUG.'_'.$this->settings_page.''])){
171
172
173	$custom_css_file_path = WPPIZZA_PATH.'css/'.WPPIZZA_PREFIX.'.style.css';
174	$saved_css = get_option(WPPIZZA_SLUG.'_custom_css', '');
175	$update_css = trim(str_replace('}','}'.PHP_EOL,sanitize_text_field($input[$this->settings_page]['custom_css'])));
176
177
178	/** only if old css != new css */
179	if($saved_css != $update_css){
180
181	/** css not empty */
182	if(!empty($update_css)){
183	@file_put_contents($custom_css_file_path, $update_css);
184	}
185	/** css set is empty and file exists - unlink file */
186	if(empty($update_css)){
187	@unlink($custom_css_file_path);
188	}
189	/*
190	set css type [none\|file\|inline]
191	*/
192	/ css set is empty == none, css set is NOT empty check if file exists 'file' else 'inline' /
193	$custom_css_type = (empty($update_css)) ? 'none' : ((file_exists($custom_css_file_path)) ? 'file' : 'inline');
194
195	/* update custom css option */
196
197	$update_user_css = update_option(WPPIZZA_SLUG.'_custom_css', $update_css, false);
198
199	/*
200	last update and loading type
201	*/
202	$options[$this->settings_page]['custom_css_version'] = time();
203	$options[$this->settings_page]['custom_css_type'] = $custom_css_type;
204	}
205	}
206
207	return $options;
208	}
209	}
210	/***************************************************************
211	*
212	* [ini]
213	*
214	***************************************************************/
215	$WPPIZZA_MODULE_LAYOUT_CUSTOM_CSS = new WPPIZZA_MODULE_LAYOUT_CUSTOM_CSS();
216	?>