mirrored from git://develop.git.wordpress.org/
/
class-wp-widget-media-gallery.php
260 lines (244 loc) · 7.12 KB
/
class-wp-widget-media-gallery.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
<?php
/**
* Widget API: WP_Widget_Media_Gallery class
*
* @package WordPress
* @subpackage Widgets
* @since 4.9.0
*/
/**
* Core class that implements a gallery widget.
*
* @since 4.9.0
*
* @see WP_Widget_Media
* @see WP_Widget
*/
class WP_Widget_Media_Gallery extends WP_Widget_Media {
/**
* Constructor.
*
* @since 4.9.0
*/
public function __construct() {
parent::__construct(
'media_gallery',
__( 'Gallery' ),
array(
'description' => __( 'Displays an image gallery.' ),
'mime_type' => 'image',
)
);
$this->l10n = array_merge(
$this->l10n,
array(
'no_media_selected' => __( 'No images selected' ),
'add_media' => _x( 'Add Images', 'label for button in the gallery widget; should not be longer than ~13 characters long' ),
'replace_media' => '',
'edit_media' => _x( 'Edit Gallery', 'label for button in the gallery widget; should not be longer than ~13 characters long' ),
)
);
}
/**
* Get schema for properties of a widget instance (item).
*
* @since 4.9.0
*
* @see WP_REST_Controller::get_item_schema()
* @see WP_REST_Controller::get_additional_fields()
* @link https://core.trac.wordpress.org/ticket/35574
*
* @return array Schema for properties.
*/
public function get_instance_schema() {
$schema = array(
'title' => array(
'type' => 'string',
'default' => '',
'sanitize_callback' => 'sanitize_text_field',
'description' => __( 'Title for the widget' ),
'should_preview_update' => false,
),
'ids' => array(
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
'sanitize_callback' => 'wp_parse_id_list',
),
'columns' => array(
'type' => 'integer',
'default' => 3,
'minimum' => 1,
'maximum' => 9,
),
'size' => array(
'type' => 'string',
'enum' => array_merge( get_intermediate_image_sizes(), array( 'full', 'custom' ) ),
'default' => 'thumbnail',
),
'link_type' => array(
'type' => 'string',
'enum' => array( 'post', 'file', 'none' ),
'default' => 'post',
'media_prop' => 'link',
'should_preview_update' => false,
),
'orderby_random' => array(
'type' => 'boolean',
'default' => false,
'media_prop' => '_orderbyRandom',
'should_preview_update' => false,
),
);
/** This filter is documented in wp-includes/widgets/class-wp-widget-media.php */
$schema = apply_filters( "widget_{$this->id_base}_instance_schema", $schema, $this );
return $schema;
}
/**
* Render the media on the frontend.
*
* @since 4.9.0
*
* @param array $instance Widget instance props.
*/
public function render_media( $instance ) {
$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
$shortcode_atts = array_merge(
$instance,
array(
'link' => $instance['link_type'],
)
);
// @codeCoverageIgnoreStart
if ( $instance['orderby_random'] ) {
$shortcode_atts['orderby'] = 'rand';
}
// @codeCoverageIgnoreEnd
echo gallery_shortcode( $shortcode_atts );
}
/**
* Loads the required media files for the media manager and scripts for media widgets.
*
* @since 4.9.0
*/
public function enqueue_admin_scripts() {
parent::enqueue_admin_scripts();
$handle = 'media-gallery-widget';
wp_enqueue_script( $handle );
$exported_schema = array();
foreach ( $this->get_instance_schema() as $field => $field_schema ) {
$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update', 'items' ) );
}
wp_add_inline_script(
$handle,
sprintf(
'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
wp_json_encode( $this->id_base ),
wp_json_encode( $exported_schema )
)
);
wp_add_inline_script(
$handle,
sprintf(
'
wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
_.extend( wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
',
wp_json_encode( $this->id_base ),
wp_json_encode( $this->widget_options['mime_type'] ),
wp_json_encode( $this->l10n )
)
);
}
/**
* Render form template scripts.
*
* @since 4.9.0
*/
public function render_control_template_scripts() {
parent::render_control_template_scripts();
?>
<script type="text/html" id="tmpl-wp-media-widget-gallery-preview">
<#
var ids = _.filter( data.ids, function( id ) {
return ( id in data.attachments );
} );
#>
<# if ( ids.length ) { #>
<ul class="gallery media-widget-gallery-preview" role="list">
<# _.each( ids, function( id, index ) { #>
<# var attachment = data.attachments[ id ]; #>
<# if ( index < 6 ) { #>
<li class="gallery-item">
<div class="gallery-icon">
<img alt="{{ attachment.alt }}"
<# if ( index === 5 && data.ids.length > 6 ) { #> aria-hidden="true" <# } #>
<# if ( attachment.sizes.thumbnail ) { #>
src="{{ attachment.sizes.thumbnail.url }}" width="{{ attachment.sizes.thumbnail.width }}" height="{{ attachment.sizes.thumbnail.height }}"
<# } else { #>
src="{{ attachment.url }}"
<# } #>
<# if ( ! attachment.alt && attachment.filename ) { #>
aria-label="
<?php
echo esc_attr(
sprintf(
/* translators: %s: The image file name. */
__( 'The current image has no alternative text. The file name is: %s' ),
'{{ attachment.filename }}'
)
);
?>
"
<# } #>
/>
<# if ( index === 5 && data.ids.length > 6 ) { #>
<div class="gallery-icon-placeholder">
<p class="gallery-icon-placeholder-text" aria-label="
<?php
printf(
/* translators: %s: The amount of additional, not visible images in the gallery widget preview. */
__( 'Additional images added to this gallery: %s' ),
'{{ data.ids.length - 5 }}'
);
?>
">+{{ data.ids.length - 5 }}</p>
</div>
<# } #>
</div>
</li>
<# } #>
<# } ); #>
</ul>
<# } else { #>
<div class="attachment-media-view">
<button type="button" class="placeholder button-add-media"><?php echo esc_html( $this->l10n['add_media'] ); ?></button>
</div>
<# } #>
</script>
<?php
}
/**
* Whether the widget has content to show.
*
* @since 4.9.0
* @access protected
*
* @param array $instance Widget instance props.
* @return bool Whether widget has content.
*/
protected function has_content( $instance ) {
if ( ! empty( $instance['ids'] ) ) {
$attachments = wp_parse_id_list( $instance['ids'] );
foreach ( $attachments as $attachment ) {
if ( 'attachment' !== get_post_type( $attachment ) ) {
return false;
}
}
return true;
}
return false;
}
}