wp-ultimate-post-grid / includes / public / class-wpupg-template-editor.php

class-wpupg-template-editor.php in WP Ultimate Post Grid 4.1.1, at includes/public/class-wpupg-template-editor.php

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1	<?php
2	/**
3	* Responsible for the grid template editor.
4	*
5	* @link https://bootstrapped.ventures
6	* @since 3.0.0
7	*
8	* @package WP_Ultimate_Post_Grid
9	* @subpackage WP_Ultimate_Post_Grid/includes/public
10	*/
11
12	/**
13	* Responsible for the grid template editor.
14	*
15	* @since 3.0.0
16	* @package WP_Ultimate_Post_Grid
17	* @subpackage WP_Ultimate_Post_Grid/includes/public
18	* @author Brecht Vandersmissen <brecht@bootstrapped.ventures>
19	*/
20	class WPUPG_Template_Editor {
21	/**
22	* Register actions and filters.
23	*
24	* @since 3.0.0
25	*/
26	public static function init() {
27	add_action( 'admin_menu', array( __CLASS__, 'add_submenu_page' ), 20 );
28	}
29
30	/**
31	* Add the template editor submenu to the WPUPG menu.
32	*
33	* @since 3.0.0
34	*/
35	public static function add_submenu_page() {
36	add_submenu_page( 'wpultimatepostgrid', __( 'WPUPG Template Editor', 'wp-ultimate-post-grid' ), __( 'Template Editor', 'wp-ultimate-post-grid' ), 'manage_options', 'wpupg_template_editor', array( __CLASS__, 'template_editor_page_template' ) );
37	}
38
39	/**
40	* Get the template for the template editor page.
41	*
42	* @since 3.0.0
43	*/
44	public static function template_editor_page_template() {
45	self::localize_admin_template();
46	echo '<div id="wpupg-template" class="wrap">Loading...</div>';
47	}
48
49	/**
50	* Localize JS for the template editor page.
51	*
52	* @since 5.8.0
53	*/
54	public static function localize_admin_template() {
55	// Get all modern templates.
56	$modern_templates = array();
57	$templates = WPUPG_Template_Manager::get_templates();
58
59	foreach ( $templates as $template ) {
60	$modern_templates[ $template['slug'] ] = self::prepare_template_for_editor( $template );
61	}
62
63	wp_localize_script( 'wpupg-admin-template', 'wpupg_admin_template', array(
64	'templates' => $modern_templates,
65	'shortcodes' => WPUPG_Template_Shortcodes::get_shortcodes(),
66	'icons' => WPUPG_Icon::get_all(),
67	'thumbnail_sizes' => get_intermediate_image_sizes(),
68	'preview_item' => self::get_default_preview_item(),
69	) );
70	}
71
72	/**
73	* Get the default preview item for the template editor.
74	*
75	* @since 3.4.0
76	*/
77	private static function get_default_preview_item() {
78	$preview_item = false;
79
80	// Get the latest published post that as a featured image set.
81	$args = array(
82	'post_type' => 'post',
83	'post_status' => 'publish',
84	'posts_per_page' => 1,
85	'ignore_sticky_posts' => true,
86	'order_by' => 'date',
87	'order' => 'DESC',
88	'meta_query' => array(
89	array(
90	'key' => '_thumbnail_id',
91	'value' => '0',
92	'compare' => '>'
93	),
94	),
95	);
96
97	$query = new WP_Query( $args );
98	$posts = $query->have_posts() ? $query->posts : array();
99
100	$post = isset( $posts[0] ) ? $posts[0] : false;
101
102	if ( $post ) {
103	$item = WPUPG_Item_Manager::get_item( $post->ID );
104
105	if ( $item ) {
106	$post_type = get_post_type_object( $post->post_type );
107
108	$preview_item = array(
109	'value' => $post->ID,
110	'label' => $post_type->labels->singular_name . ' - ' . $post->ID . ' - ' . $post->post_title,
111	'classes' => $item->classes(),
112	);
113	}
114	}
115
116	return $preview_item;
117	}
118
119	/**
120	* Prepare a template for the template editor.
121	*
122	* @since 3.0.0
123	* @param mixed $template Template to prepare.
124	*/
125	public static function prepare_template_for_editor( $template ) {
126	$template['style'] = self::extract_style_with_properties( $template );
127	return $template;
128	}
129
130	/**
131	* Extract the style and optional properties from a template stylesheet.
132	*
133	* @since 3.0.0
134	* @param mixed $template Template to extract from.
135	*/
136	private static function extract_style_with_properties( $template ) {
137	$css = WPUPG_Template_Manager::get_template_css( $template );
138
139	// Find properties in CSS.
140	$properties = array();
141
142	preg_match_all( "/:([^:;]+);\s\/\([^])\+([^\/][^]\+)\//im", $css, $matches );
143	foreach ( $matches[2] as $index => $comment ) {
144	$value = trim( $matches[1][ $index ] );
145	$comment = trim( $comment );
146
147	// Check if it's one of our comments.
148	if ( 'wpupg_' === substr( $comment, 0, 6 ) ) {
149	$parts = explode( ' ', $comment );
150
151	// First part should be variable name.
152	$id = substr( $parts[0], 6 );
153	unset( $parts[0] );
154
155	if ( $id ) {
156	$property = array(
157	'id' => $id,
158	'name' => ucwords( str_replace( '_', ' ', $id ) ),
159	'default' => $value,
160	'value' => $value,
161	);
162
163	// Check if there are any parts left.
164	foreach ( $parts as $part ) {
165	$pieces = explode( '=', $part );
166
167	if ( 2 === count( $pieces ) ) {
168	if ( ! array_key_exists( $pieces[0], $property ) ) {
169	$property[ $pieces[0] ] = $pieces[1];
170	}
171	}
172	}
173
174	// Add to properties.
175	$properties[ $id ] = $property;
176
177	// Replace with variable in CSS.
178	$css = str_ireplace( $matches[0][ $index ], ': %wpupg_' . $id .'%;', $css );
179	}
180	}
181	}
182
183	return array(
184	'properties' => $properties,
185	'css' => $css,
186	);
187	}
188	}
189
190	WPUPG_Template_Editor::init();
191