block-editor-colors / includes / ColorsService.php

ColorsService.php in Block Editor Colors trunk, at includes/ColorsService.php

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1	<?php
2
3	namespace BlockEditorColors;
4
5
6	class ColorsService {
7
8	private $default_colors_service = null;
9	private $custom_colors_service = null;
10	private $options_service = null;
11	private static $_instance = null;
12
13	public static function getInstance() {
14	if ( is_null( self::$_instance ) ) {
15	self::$_instance = new self();
16	}
17
18	return self::$_instance;
19	}
20
21	public function __construct() {
22
23	$this->default_colors_service = DefaultColorsService::getInstance();
24	$this->custom_colors_service = CustomColorsService::getInstance();
25	$this->options_service = OptionsService::getInstance();
26
27	add_action( 'wp_head', array( $this, 'print_head_styles' ) );
28	add_action( 'enqueue_block_editor_assets', array( $this, 'add_editor_styles' ) );
29	add_action( 'enqueue_block_assets', array( $this, 'add_editor_styles' ) );
30
31	// add Gutenberg plugin filter with less priority
32	if ( has_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings' ) ) {
33	remove_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings', PHP_INT_MAX - 1 );
34	add_filter( 'block_editor_settings_all', 'gutenberg_get_block_editor_settings', PHP_INT_MAX - 1 );
35	}
36
37	// since WP 5.8.0 'block_editor_settings' filter is deprecated
38	if ( function_exists( 'get_block_editor_settings' ) ) {
39	add_filter( 'block_editor_settings_all', array( $this, 'filter_block_editor_settings' ), PHP_INT_MAX );
40	} else {
41	add_filter( 'block_editor_settings', array( $this, 'filter_block_editor_settings' ) );
42	}
43	}
44
45	public function generate_colors_css( $is_editor = false ) {
46
47	$custom_colors = $this->custom_colors_service->get_colors();
48	$edited_initial_colors = $this->default_colors_service->get_edited_colors();
49
50	$colors = array_merge( $edited_initial_colors, $custom_colors );
51	$prefix = $is_editor ? '.editor-styles-wrapper' : $this->options_service->get_style_classes_prefix();
52
53	$variables = '';
54	$css = '';
55	foreach ( $colors as $color ) {
56	$css .= PHP_EOL;
57	$css .= <<<CSS
58	{$prefix} .has-{$color['slug']}-color {
59	color: var(--bec-color-{$color['slug']}, {$color['color']}) !important;
60	}
61	{$prefix} .has-{$color['slug']}-background-color {
62	background-color: var(--bec-color-{$color['slug']}, {$color['color']}) !important;
63	}
64	CSS;
65	$css .= PHP_EOL;
66
67	$variables .= '--bec-color-' . $color['slug'] . ': ' . $color['color'] . ';' . PHP_EOL;
68	}
69
70	if ( $css ) {
71	$css = $prefix . ' {' . PHP_EOL . $variables . '}' . PHP_EOL . $css;
72	}
73
74	return $css;
75	}
76
77	public function print_head_styles() {
78
79	$style = $this->generate_colors_css();
80	if ( $style == '' ) {
81	return;
82	}
83
84	?><style id="bec-color-style" type="text/css">
85	/* Block Editor Colors generated css */
86	<?php echo esc_html($style); ?>
87	</style><?php
88
89	}
90
91	public function add_editor_styles() {
92	if ( !is_admin() ) {
93	return;
94	}
95
96	$style = $this->generate_colors_css( true );
97	if ( $style == '' ) {
98	return;
99	}
100
101	wp_register_style( 'bec-editor-styles', false, array(), BEC_PLUGIN_VERSION, true );
102	wp_add_inline_style( 'bec-editor-styles', $style );
103	wp_enqueue_style( 'bec-editor-styles' );
104	}
105
106	public function filter_block_editor_settings( $settings ) {
107
108	$initial_colors = $this->default_colors_service->get_colors();
109	$new_colors = $this->custom_colors_service->get_colors();
110
111	$initial_colors = array_values( $initial_colors );
112	$new_colors = array_values( $new_colors );
113	$settings['colors'] = array_merge( $initial_colors, $new_colors );
114
115	if ( function_exists( 'get_block_editor_settings' ) ) {
116	$settings['__experimentalFeatures']['color']['palette']['user']
117	= $settings['__experimentalFeatures']['color']['palette']['theme']
118	= array_merge($initial_colors, $new_colors);
119	}
120
121	return $settings;
122
123	}
124
125	}
126
127	ColorsService::getInstance();
128