photonic / Add_Ons / WP / Widget.php

Widget.php in Photonic Gallery & Lightbox for Flickr, SmugMug & Others 3.33, at Add_Ons/WP/Widget.php

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1	<?php
2
3	namespace Photonic_Plugin\Add_Ons\WP;
4
5	use Photonic_Plugin\Core\Photonic;
6	use WP_Widget;
7
8	class Widget extends WP_Widget {
9	private string $empty_shortcode;
10	public string $invalid_shortcode;
11	public string $edit_shortcode;
12
13	public function __construct() {
14	$widget_ops = [
15	'classname' => 'widget-photonic',
16	'description' => __("A widget for displaying a Photonic Gallery.", 'photonic')
17	];
18
19	$control_ops = [];
20	$this->empty_shortcode = esc_html__('Click on the icon to start creating a new gallery.', 'photonic');
21	$this->invalid_shortcode = esc_html__('The current saved data does not correspond to a Photonic gallery. A new one will be created.', 'photonic');
22	$this->edit_shortcode = esc_html__('Click on the icon to edit your gallery.', 'photonic');
23
24	parent::__construct("photonic-widget", __("Photonic Gallery", 'photonic'), $widget_ops, $control_ops);
25	}
26
27	public function widget($args, $instance) {
28	$title = empty($instance['title']) ? '' : $instance['title'];
29	$shortcode = empty($instance['shortcode']) ? '' : $instance['shortcode'];
30
31	echo wp_kses_post($args['before_widget']);
32	if ('' !== $title) {
33	echo wp_kses_post($args['before_title'] . $title . $args['after_title']);
34	}
35
36	// Input is coming via content saved in a widget, so we have to ensure it is safe.
37	// The input is expected to be a Photonic shortcode, so the simplest way is to strip out all instances of the Photonic
38	// shortcode and verify that the input is blank. If it is blank, then all that the input had was a Photonic shortcode.
39
40	global $photonic_alternative_shortcode;
41	$content_without_shortcodes = strip_shortcodes($shortcode);
42	$shortcode_tag = esc_attr($photonic_alternative_shortcode ?: 'gallery');
43
44	if (!empty(trim($shortcode)) && has_shortcode($shortcode, $shortcode_tag) && empty(trim($content_without_shortcodes))) {
45	// Looks good. Let's proceed.
46	$output = do_shortcode($shortcode);
47	echo wp_kses($output, Photonic::$safe_tags);
48	}
49
50	echo wp_kses_post($args['after_widget']);
51	}
52
53	public function update($new_instance, $old_instance) {
54	$instance = $old_instance;
55	$instance['title'] = sanitize_text_field($new_instance['title']);
56	$instance['shortcode'] = sanitize_text_field($new_instance['shortcode']);
57	return $instance;
58	}
59
60	public function form($instance) {
61	global $photonic_alternative_shortcode;
62	$tag = $photonic_alternative_shortcode ?: 'gallery';
63
64	$defaults = [
65	'title' => '',
66	'custom_class' => '',
67	'shortcode' => ''
68	];
69	$instance = wp_parse_args(
70	(array) $instance,
71	$defaults
72	);
73
74	add_thickbox();
75	$user = get_current_user_id();
76	if (0 === $user) {
77	$user = wp_rand(1);
78	}
79
80	$url = add_query_arg(
81	[
82	'action' => 'photonic_wizard',
83	'class' => 'photonic-flow',
84	'post_id' => '',
85	'nonce' => wp_create_nonce('photonic-wizard-' . $user),
86	'width' => '1000',
87	'height' => '600',
88	'TB_iframe' => 'true',
89	],
90	admin_url('admin.php')
91	);
92
93	$shortcode = $instance['shortcode'];
94	$types = ['default', 'wp', 'flickr', 'smugmug', 'picasa', 'google', 'zenfolio', 'instagram'];
95	$layouts = ['square', 'circle', 'random', 'masonry', 'mosaic', 'strip-above', 'strip-below', 'strip-right', 'no-strip'];
96
97	$pattern = get_shortcode_regex([$tag]);
98	preg_match_all('/' . $pattern . '/s', $shortcode, $matches, PREG_OFFSET_CAPTURE);
99	$type = 'photonic';
100
101	$message = $this->edit_shortcode;
102	if (empty($shortcode)) {
103	$message = $this->empty_shortcode;
104	}
105	elseif (!empty($matches) && !empty($matches[0]) && !empty($matches[1]) && !empty($matches[2]) && !empty($matches[3])) {
106	foreach ($matches[1] as $index => $start) {
107	if ('' === $start[0]) {
108	if (!empty($matches[3][$index])) {
109	$shortcode_attr = shortcode_parse_atts($matches[3][$index][0]);
110	if (!empty($shortcode_attr['type']) && in_array($shortcode_attr['type'], $types, true)) {
111	$type = $shortcode_attr['type'];
112	}
113	elseif (empty($shortcode_attr['type']) && !empty($shortcode_attr['style']) && in_array($shortcode_attr['style'], $layouts, true)) {
114	$type = 'wp';
115	}
116	else {
117	$message = $this->invalid_shortcode;
118	$shortcode = '';
119	}
120	}
121	}
122	}
123	}
124	else {
125	$message = $this->invalid_shortcode;
126	$shortcode = '';
127	}
128	?>
129	<div class="photonic-widget">
130	<p>
131	<label for="<?php echo esc_attr($this->get_field_id('title')); ?>"><?php esc_attr_e('Title', 'photonic'); ?></label>
132	<input id="<?php echo esc_attr($this->get_field_id('title')); ?>" value="<?php echo esc_attr($instance['title']); ?>"
133	name="<?php echo esc_attr($this->get_field_name('title')); ?>" type="text" class="widefat"/>
134	</p>
135
136	<input id="<?php echo esc_attr($this->get_field_id('shortcode')); ?>" value="<?php echo esc_attr($shortcode); ?>" type="hidden"
137	name="<?php echo esc_attr($this->get_field_name('shortcode')); ?>" class="photonic-shortcode"/>
138
139	<div class="photonic-source">
140	<a class="photonic-wizard <?php echo esc_attr($type); ?>" href="<?php echo esc_url($url); ?>"></a>
141	<p>
142	<?php echo wp_kses_post($message); ?>
143	</p>
144	</div>
145
146	<div class="photonic-shortcode-display">
147	<?php
148	if ('' !== $shortcode) {
149	?>
150	<h4><?php echo esc_html__('Current shortcode', 'photonic'); ?></h4>
151	<code><?php echo wp_kses_post($shortcode); ?></code>
152	<?php
153	}
154	?>
155	</div>
156	</div>
157	<?php
158	}
159
160	}
161