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Completed
Push — feature/retina-support ( 1f9704...9ff796 )
by Brad
02:21
created

functions.php ➔ foogallery_retina_options()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 7
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 5
nc 1
nop 0
dl 0
loc 7
rs 9.4285
c 0
b 0
f 0
1
<?php
2
/**
3
 * FooGallery global functions
4
 *
5
 * @package   FooGallery
6
 * @author    Brad Vincent <[email protected]>
7
 * @license   GPL-2.0+
8
 * @link      https://github.com/fooplugins/foogallery
9
 * @copyright 2014 FooPlugins LLC
10
 */
11
12
/**
13
 * Returns the name of the plugin. (Allows the name to be overridden from extensions or functions.php)
14
 * @return string
15
 */
16
function foogallery_plugin_name() {
17
	return apply_filters( 'foogallery_plugin_name', 'FooGallery' );
18
}
19
20
/**
21
 * Return all the gallery templates used within FooGallery
22
 *
23
 * @return array
24
 */
25
function foogallery_gallery_templates() {
26
	return apply_filters( 'foogallery_gallery_templates', array() );
27
}
28
29
/**
30
 * Return the FooGallery extension API class
31
 *
32
 * @return FooGallery_Extensions_API
33
 */
34
function foogallery_extensions_api() {
35
	return new FooGallery_Extensions_API();
36
}
37
38
/**
39
 * Returns the default gallery template
40
 *
41
 * @return string
42
 */
43
function foogallery_default_gallery_template() {
44
	return foogallery_get_setting( 'gallery_template' );
45
}
46
47
/**
48
 * Returns if gallery permalinks are enabled
49
 *
50
 * @return bool
51
 */
52
function foogallery_permalinks_enabled() {
53
	return foogallery_get_setting( 'gallery_permalinks_enabled' );
54
}
55
56
/**
57
 * Returns the gallery permalink
58
 *
59
 * @return string
60
 */
61
function foogallery_permalink() {
62
	return foogallery_get_setting( 'gallery_permalink' );
63
}
64
65
/**
66
 * Return the FooGallery saved setting, or a default value
67
 *
68
 * @param string $key The key for the setting
69
 *
70
 * @param bool $default The default if no value is saved or found
71
 *
72
 * @return mixed
73
 */
74
function foogallery_get_setting( $key, $default = false ) {
75
	$foogallery = FooGallery_Plugin::get_instance();
76
77
	return $foogallery->options()->get( $key, foogallery_get_default( $key, $default ) );
78
}
79
80
/**
81
 * Builds up a FooGallery gallery shortcode
82
 *
83
 * @param $gallery_id
84
 *
85
 * @return string
86
 */
87
function foogallery_build_gallery_shortcode( $gallery_id ) {
88
	return '[' . foogallery_gallery_shortcode_tag() . ' id="' . $gallery_id . '"]';
89
}
90
91
/**
92
 * Returns the gallery shortcode tag
93
 *
94
 * @return string
95
 */
96
function foogallery_gallery_shortcode_tag() {
97
	return apply_filters( 'foogallery_gallery_shortcode_tag', FOOGALLERY_CPT_GALLERY );
98
}
99
100
/**
101
 * Helper method for getting default settings
102
 *
103
 * @param string $key The default config key to retrieve.
104
 *
105
 * @param bool $default The default if no default is set or found
106
 *
107
 * @return string Key value on success, false on failure.
108
 */
109
function foogallery_get_default( $key, $default = false ) {
110
111
	$defaults = array(
112
		'gallery_template'           => 'default',
113
		'gallery_permalinks_enabled' => false,
114
		'gallery_permalink'          => 'gallery',
115
		'lightbox'                   => 'none',
116
		'thumb_jpeg_quality'         => '80',
117
		'thumb_resize_animations'    => true,
118
		'gallery_sorting'            => '',
119
		'datasource'				 => 'media_library'
120
	);
121
122
	// A handy filter to override the defaults
123
	$defaults = apply_filters( 'foogallery_defaults', $defaults );
124
125
	// Return the key specified.
126
	return isset($defaults[ $key ]) ? $defaults[ $key ] : $default;
127
}
128
129
/**
130
 * Returns the FooGallery Add Gallery Url within the admin
131
 *
132
 * @return string The Url to the FooGallery Add Gallery page in admin
133
 */
134
function foogallery_admin_add_gallery_url() {
135
	return admin_url( 'post-new.php?post_type=' . FOOGALLERY_CPT_GALLERY );
136
}
137
138
/**
139
 * Returns the FooGallery help page Url within the admin
140
 *
141
 * @return string The Url to the FooGallery help page in admin
142
 */
143
function foogallery_admin_help_url() {
144
	return admin_url( add_query_arg( array( 'page' => 'foogallery-help' ), foogallery_admin_menu_parent_slug() ) );
145
}
146
147
/**
148
 * Returns the FooGallery settings page Url within the admin
149
 *
150
 * @return string The Url to the FooGallery settings page in admin
151
 */
152
function foogallery_admin_settings_url() {
153
	return admin_url( add_query_arg( array( 'page' => 'foogallery-settings' ), foogallery_admin_menu_parent_slug() ) );
154
}
155
156
/**
157
 * Returns the FooGallery extensions page Url within the admin
158
 *
159
 * @return string The Url to the FooGallery extensions page in admin
160
 */
161
function foogallery_admin_extensions_url() {
162
	return admin_url( add_query_arg( array( 'page' => 'foogallery-extensions' ), foogallery_admin_menu_parent_slug() ) );
163
}
164
165
/**
166
 * Returns the FooGallery system info page Url within the admin
167
 *
168
 * @return string The Url to the FooGallery system info page in admin
169
 */
170
function foogallery_admin_systeminfo_url() {
171
	return admin_url( add_query_arg( array( 'page' => 'foogallery-systeminfo' ), foogallery_admin_menu_parent_slug() ) );
172
}
173
174
/**
175
 * Get a foogallery template setting for the current foogallery that is being output to the frontend
176
 * @param string	$key
177
 * @param string	$default
178
 *
179
 * @return bool
180
 */
181
function foogallery_gallery_template_setting( $key, $default = '' ) {
182
	global $current_foogallery;
183
	global $current_foogallery_arguments;
184
	global $current_foogallery_template;
185
186
	$settings_key = "{$current_foogallery_template}_{$key}";
187
188
	if ( $current_foogallery_arguments && array_key_exists( $key, $current_foogallery_arguments ) ) {
189
		//try to get the value from the arguments
190
		$value = $current_foogallery_arguments[ $key ];
191
192
	} else if ( !empty( $current_foogallery ) && $current_foogallery->settings && array_key_exists( $settings_key, $current_foogallery->settings ) ) {
193
		//then get the value out of the saved gallery settings
194
		$value = $current_foogallery->settings[ $settings_key ];
195
	} else {
196
		//otherwise set it to the default
197
		$value = $default;
198
	}
199
200
	$value = apply_filters( 'foogallery_gallery_template_setting-' . $key, $value );
201
202
	return $value;
203
}
204
205
/**
206
 * Get the admin menu parent slug
207
 * @return string
208
 */
209
function foogallery_admin_menu_parent_slug() {
210
	return apply_filters( 'foogallery_admin_menu_parent_slug', FOOGALLERY_ADMIN_MENU_PARENT_SLUG );
211
}
212
213
/**
214
 * Helper function to build up the admin menu Url
215
 * @param array $extra_args
216
 *
217
 * @return string|void
218
 */
219
function foogallery_build_admin_menu_url( $extra_args = array() ) {
220
	$url = admin_url( foogallery_admin_menu_parent_slug() );
221
	if ( ! empty( $extra_args ) ) {
222
		$url = add_query_arg( $extra_args, $url );
223
	}
224
	return $url;
225
}
226
227
/**
228
 * Helper function for adding a foogallery sub menu
229
 *
230
 * @param $menu_title
231
 * @param string $capability
232
 * @param string $menu_slug
233
 * @param $function
234
 */
235
function foogallery_add_submenu_page( $menu_title, $capability, $menu_slug, $function ) {
236
	add_submenu_page(
237
		foogallery_admin_menu_parent_slug(),
238
		$menu_title,
239
		$menu_title,
240
		$capability,
241
		$menu_slug,
242
		$function
243
	);
244
}
245
246
/**
247
 * Returns all FooGallery galleries
248
 *
249
 * @return FooGallery[] array of FooGallery galleries
250
 */
251
function foogallery_get_all_galleries( $excludes = false ) {
252
	$args = array(
253
		'post_type'     => FOOGALLERY_CPT_GALLERY,
254
		'post_status'	=> array( 'publish', 'draft' ),
255
		'cache_results' => false,
256
		'nopaging'      => true,
257
	);
258
259
	if ( is_array( $excludes ) ) {
260
		$args['post__not_in'] = $excludes;
261
	}
262
263
	$gallery_posts = get_posts( $args );
264
265
	if ( empty( $gallery_posts ) ) {
266
		return array();
267
	}
268
269
	$galleries = array();
270
271
	foreach ( $gallery_posts as $post ) {
272
		$galleries[] = FooGallery::get( $post );
273
	}
274
275
	return $galleries;
276
}
277
278
/**
279
 * Parse some content and return an array of all gallery shortcodes that are used inside it
280
 *
281
 * @param $content The content to search for gallery shortcodes
282
 *
283
 * @return array An array of all the foogallery shortcodes found in the content
284
 */
285
function foogallery_extract_gallery_shortcodes( $content ) {
286
	$shortcodes = array();
287
288
	$regex_pattern = foogallery_gallery_shortcode_regex();
289
	if ( preg_match_all( '/' . $regex_pattern . '/s', $content, $matches ) ) {
290
		for ( $i = 0; $i < count( $matches[0] ); ++$i ) {
291
			$shortcode = $matches[0][$i];
292
			$args = $matches[3][$i];
293
			$attribure_string = str_replace( ' ', '&', trim( $args ) );
294
			$attribure_string = str_replace( '"', '', $attribure_string );
295
			$attributes = wp_parse_args( $attribure_string );
296
			if ( array_key_exists( 'id', $attributes ) ) {
297
				$id = intval( $attributes['id'] );
298
				$shortcodes[ $id ] = $shortcode;
299
			}
300
		}
301
	}
302
303
	return $shortcodes;
304
}
305
306
/**
307
 * Build up the FooGallery shortcode regex
308
 *
309
 * @return string
310
 */
311
function foogallery_gallery_shortcode_regex() {
312
	$tag = foogallery_gallery_shortcode_tag();
313
314
	return
315
		'\\['                              	 // Opening bracket
316
		. '(\\[?)'                           // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
317
		. "($tag)"                     		 // 2: Shortcode name
318
		. '(?![\\w-])'                       // Not followed by word character or hyphen
319
		. '('                                // 3: Unroll the loop: Inside the opening shortcode tag
320
		.     '[^\\]\\/]*'                   // Not a closing bracket or forward slash
321
		.     '(?:'
322
		.         '\\/(?!\\])'               // A forward slash not followed by a closing bracket
323
		.         '[^\\]\\/]*'               // Not a closing bracket or forward slash
324
		.     ')*?'
325
		. ')'
326
		. '(?:'
327
		.     '(\\/)'                        // 4: Self closing tag ...
0 ignored issues
show
Unused Code Comprehensibility introduced by
37% of this comment could be valid code. Did you maybe forget this after debugging?

Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.

The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production.

This check looks for comments that seem to be mostly valid code and reports them.

Loading history...
328
		.     '\\]'                          // ... and closing bracket
329
		. '|'
330
		.     '\\]'                          // Closing bracket
331
		.     '(?:'
332
		.         '('                        // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
333
		.             '[^\\[]*+'             // Not an opening bracket
334
		.             '(?:'
335
		.                 '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
336
		.                 '[^\\[]*+'         // Not an opening bracket
337
		.             ')*+'
338
		.         ')'
339
		.         '\\[\\/\\2\\]'             // Closing shortcode tag
340
		.     ')?'
341
		. ')'
342
		. '(\\]?)';                          // 6: Optional second closing bracket for escaping shortcodes: [[tag]]
343
}
344
345
/**
346
 * Builds up a class attribute that can be used in a gallery template
347
 * @param $gallery FooGallery
348
 *
349
 * @return string the classname based on the gallery and any extra attributes
350
 */
351
function foogallery_build_class_attribute( $gallery ) {
352
	$classes[] = 'foogallery-container';
353
	$classes[] = "foogallery-{$gallery->gallery_template}";
354
	$num_args = func_num_args();
355
356
	if ( $num_args > 1 ) {
357
		$arg_list = func_get_args();
358
		for ( $i = 1; $i < $num_args; $i++ ) {
359
			$classes[] = $arg_list[$i];
360
		}
361
	}
362
363
	$classes = apply_filters( 'foogallery_build_class_attribute', $classes );
364
365
	return implode( ' ', $classes );
366
}
367
368
/**
369
 * Renders an escaped class attribute that can be used directly by gallery templates
370
 *
371
 * @param $gallery FooGallery
372
 */
373
function foogallery_build_class_attribute_render_safe( $gallery ) {
0 ignored issues
show
Unused Code introduced by
The parameter $gallery is not used and could be removed.

This check looks from parameters that have been defined for a function or method, but which are not used in the method body.

Loading history...
374
	$args = func_get_args();
375
	$result = call_user_func_array("foogallery_build_class_attribute", $args);
376
	echo esc_attr( $result );
377
}
378
379
/**
380
 * Render a foogallery
381
 *
382
 * @param $gallery_id int The id of the foogallery you want to render
383
 */
384
function foogallery_render_gallery( $gallery_id ) {
385
	//create new instance of template engine
386
	$engine = new FooGallery_Template_Loader();
387
388
	$engine->render_template( array(
389
		'id' => $gallery_id
390
	) );
391
}
392
393
/**
394
 * Returns the available sorting options that can be chosen for galleries and albums
395
 */
396
function foogallery_sorting_options() {
397
	return apply_filters( 'foogallery_sorting_options', array(
398
		'' => __('Default', 'foogallery'),
399
		'date_desc' => __('Date created - newest first', 'foogallery'),
400
		'date_asc' => __('Date created - oldest first', 'foogallery'),
401
		'modified_desc' => __('Date modified - most recent first', 'foogallery'),
402
		'modified_asc' => __('Date modified - most recent last', 'foogallery'),
403
		'title_asc' => __('Title - alphabetically', 'foogallery'),
404
		'title_desc' => __('Title - reverse', 'foogallery'),
405
		'rand' => __('Random', 'foogallery')
406
	) );
407
}
408
409
function foogallery_sorting_get_posts_orderby_arg( $sorting_option ) {
410
	$orderby_arg = 'post__in';
411
412
	switch ( $sorting_option ) {
413
		case 'date_desc':
414
		case 'date_asc':
415
			$orderby_arg = 'date';
416
			break;
417
		case 'modified_desc':
418
		case 'modified_asc':
419
			$orderby_arg = 'modified';
420
			break;
421
		case 'title_asc':
422
		case 'title_desc':
423
			$orderby_arg = 'title';
424
			break;
425
		case 'rand':
426
			$orderby_arg = 'rand';
427
			break;
428
	}
429
430
	return apply_filters( 'foogallery_sorting_get_posts_orderby_arg', $orderby_arg, $sorting_option );
431
}
432
433
function foogallery_sorting_get_posts_order_arg( $sorting_option ) {
434
	$order_arg = 'DESC';
435
436
	switch ( $sorting_option ) {
437
		case 'date_asc':
438
		case 'modified_asc':
439
		case 'title_asc':
440
		$order_arg = 'ASC';
441
			break;
442
	}
443
444
	return apply_filters( 'foogallery_sorting_get_posts_order_arg', $order_arg, $sorting_option );
445
}
446
447
/**
448
 * Activate the default templates extension when there are no gallery templates loaded
449
 */
450
function foogallery_activate_default_templates_extension() {
451
	$api = foogallery_extensions_api();
452
	$api->activate( 'default_templates' );
453
}
454
455
/**
456
 * Allow FooGallery to enqueue stylesheet and allow them to be enqueued in the head on the next page load
457
 *
458
 * @param $handle string
459
 * @param $src string
460
 * @param array $deps
461
 * @param bool $ver
462
 * @param string $media
463
 */
464
function foogallery_enqueue_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {
465
	wp_enqueue_style( $handle, $src, $deps, $ver, $media );
466
	do_action( 'foogallery_enqueue_style', $handle, $src, $deps, $ver, $media );
467
}
468
469
470
/**
471
 * Returns all foogallery post objects that are attached to the post
472
 *
473
 * @param $post_id int The ID of the post
474
 *
475
 * @return array List of foogallery posts.
476
 */
477
function foogallery_get_galleries_attached_to_post( $post_id ) {
478
	$gallery_ids = get_post_meta( $post_id, FOOGALLERY_META_POST_USAGE, false );
479
480
	if ( !empty( $gallery_ids ) ) {
481
		return get_posts( array(
482
			'post_type'      => array( FOOGALLERY_CPT_GALLERY, ),
483
			'post_status'    => array( 'draft', 'publish' ),
484
			'posts_per_page' => -1,
485
			'include'        => $gallery_ids
486
		) );
487
	}
488
489
	return array();
490
}
491
492
/**
493
 * Clears all css load optimization post meta
494
 */
495
function foogallery_clear_all_css_load_optimizations() {
496
	delete_post_meta_by_key( FOOGALLERY_META_POST_USAGE_CSS );
497
}
498
499
/**
500
 * Performs a check to see if the plugin has been updated, and perform any housekeeping if necessary
501
 */
502
function foogallery_perform_version_check() {
503
	$checker = new FooGallery_Version_Check();
504
	$checker->perform_check();
505
}
506
507
/**
508
 * Returns the JPEG quality used when generating thumbnails
509
 *
510
 * @return int The quality value stored in settings
511
 */
512
function foogallery_thumbnail_jpeg_quality() {
513
	$quality = intval( foogallery_get_setting( 'thumb_jpeg_quality' ) );
514
515
	//check if we get an invalid value for whatever reason and if so return a default of 80
516
	if ( $quality <= 0 ) {
517
		$quality = 80;
518
	}
519
520
	return $quality;
521
}
522
523
/**
524
 * Returns the caption title source setting
525
 *
526
 * @return string
527
 */
528
function foogallery_caption_title_source() {
529
	$source = foogallery_get_setting( 'caption_title_source', 'caption' );
0 ignored issues
show
Documentation introduced by
'caption' is of type string, but the function expects a boolean.

It seems like the type of the argument is not accepted by the function/method which you are calling.

In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.

We suggest to add an explicit type cast like in the following example:

function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
Loading history...
530
531
	if ( empty( $source ) ) {
532
		$source = 'caption';
533
	}
534
535
	return $source;
536
}
537
538
/**
539
 * Returns the attachment caption title based on the caption_title_source setting
540
 *
541
 * @param $attachment_post WP_Post
542
 *
543
 * @return string
544
 */
545
function foogallery_get_caption_title_for_attachment($attachment_post) {
546
	$source = foogallery_caption_title_source();
547
548
	if ( 'title' === $source ) {
549
		$caption = trim( $attachment_post->post_title );
550
	} else {
551
		$caption = trim( $attachment_post->post_excerpt );
552
	}
553
554
	return apply_filters( 'foogallery_get_caption_title_for_attachment', $caption, $attachment_post );
555
}
556
557
/**
558
 * Returns the caption description source setting
559
 *
560
 * @return string
561
 */
562
function foogallery_caption_desc_source() {
563
	$source = foogallery_get_setting( 'caption_desc_source', 'desc' );
0 ignored issues
show
Documentation introduced by
'desc' is of type string, but the function expects a boolean.

It seems like the type of the argument is not accepted by the function/method which you are calling.

In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.

We suggest to add an explicit type cast like in the following example:

function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
Loading history...
564
565
	if ( empty( $source ) ) {
566
		$source = 'desc';
567
	}
568
569
	return $source;
570
}
571
572
/**
573
 * Returns the attachment caption description based on the caption_desc_source setting
574
 *
575
 * @param $attachment_post WP_Post
576
 *
577
 * @return string
578
 */
579
function foogallery_get_caption_desc_for_attachment($attachment_post) {
580
	$source = foogallery_caption_desc_source();
581
582
	switch ( $source ) {
583
		case 'title':
584
			$caption = trim( $attachment_post->post_title );
585
			break;
586
		case 'caption':
587
			$caption = trim( $attachment_post->post_excerpt );
588
			break;
589
		case 'alt':
590
			$caption = trim( get_post_meta( $attachment_post->ID, '_wp_attachment_image_alt', true ) );
591
			break;
592
		default:
593
			$caption = trim( $attachment_post->post_content );
594
	}
595
596
	return apply_filters( 'foogallery_get_caption_desc_for_attachment', $caption, $attachment_post );
597
}
598
599
/**
600
 * Runs thumbnail tests and outputs results in a table format
601
 */
602
function foogallery_output_thumbnail_generation_results() {
603
	$thumbs = new FooGallery_Thumbnails();
604
	try {
605
		$results = $thumbs->run_thumbnail_generation_tests();
606
        if ( $results['success'] ) {
607
            echo '<span style="color:#0c0">' . __('Thumbnail generation test ran successfully.', 'foogallery') . '</span>';
608
        } else {
609
            echo '<span style="color:#c00">' . __('Thumbnail generation test failed!', 'foogallery') . '</span>';
610
            var_dump( $results['error'] );
611
			var_dump( $results['file_info'] );
612
        }
613
	}
614
	catch (Exception $e) {
615
		echo 'Exception: ' . $e->getMessage();
616
	}
617
}
618
619
/**
620
 * Returns the URL to the test image
621
 *
622
 * @return string
623
 */
624
function foogallery_test_thumb_url() {
625
    return apply_filters( 'foogallery_test_thumb_url', FOOGALLERY_URL . 'assets/test_thumb_1.jpg' );
626
}
627
628
/**
629
 * Return all the gallery datasources used within FooGallery
630
 *
631
 * @return array
632
 */
633
function foogallery_gallery_datasources() {
634
	$default_datasource = foogallery_default_datasource();
635
636
	$datasources[$default_datasource] = 'FooGalleryDatasource_MediaLibrary';
0 ignored issues
show
Coding Style Comprehensibility introduced by
$datasources was never initialized. Although not strictly required by PHP, it is generally a good practice to add $datasources = array(); before regardless.

Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.

Let’s take a look at an example:

foreach ($collection as $item) {
    $myArray['foo'] = $item->getFoo();

    if ($item->hasBar()) {
        $myArray['bar'] = $item->getBar();
    }

    // do something with $myArray
}

As you can see in this example, the array $myArray is initialized the first time when the foreach loop is entered. You can also see that the value of the bar key is only written conditionally; thus, its value might result from a previous iteration.

This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.

Loading history...
637
638
	return apply_filters( 'foogallery_gallery_datasources', $datasources );
639
}
640
641
/**
642
 * Returns the default gallery datasource
643
 *
644
 * @return string
645
 */
646
function foogallery_default_datasource() {
647
	return foogallery_get_default( 'datasource', 'media_library' );
0 ignored issues
show
Documentation introduced by
'media_library' is of type string, but the function expects a boolean.

It seems like the type of the argument is not accepted by the function/method which you are calling.

In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.

We suggest to add an explicit type cast like in the following example:

function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
Loading history...
648
}
649
650
/**
651
 * Instantiates a FooGallery datasource based on a datasource name
652
 *
653
 * @param $datasource_name string
654
 *
655
 * @return IFooGalleryDatasource
656
 */
657
function foogallery_instantiate_datasource( $datasource_name ) {
658
	$datasources = foogallery_gallery_datasources();
659
	if ( array_key_exists( $datasource_name, $datasources ) ) {
660
		return new $datasources[$datasource_name];
661
	}
662
663
	return new FooGalleryDatasource_MediaLibrary();
664
}
665
666
/**
667
 * Returns the src to the built-in image placeholder
668
 * @return string
669
 */
670
function foogallery_image_placeholder_src() {
671
	return apply_filters( 'foogallery_image_placeholder_src', FOOGALLERY_URL . 'assets/image-placeholder.png' );
672
}
673
674
/**
675
 * Returns the image html for the built-in image placeholder
676
 *
677
 * @param array $args
678
 *
679
 * @return string
680
 */
681
function foogallery_image_placeholder_html( $args ) {
682
	if ( !isset( $args ) ) {
683
		$args = array(
684
			'width' => 150,
685
			'height' => 150
686
		);
687
	}
688
689
	$args['src'] = foogallery_image_placeholder_src();
690
	$args = array_map( 'esc_attr', $args );
691
	$html = '<img ';
692
	foreach ( $args as $name => $value ) {
693
		$html .= " $name=" . '"' . $value . '"';
694
	}
695
	$html .= ' />';
696
	return apply_filters( 'foogallery_image_placeholder_html', $html, $args );
697
}
698
699
/**
700
 * Returns the thumbnail html for the featured attachment for a gallery.
701
 * If no featured attachment can be found, then a placeholder image src is returned instead
702
 *
703
 * @param FooGallery $gallery
704
 * @param array $args
705
 *
706
 * @return string
707
 */
708
function foogallery_find_featured_attachment_thumbnail_html( $gallery, $args = null ){
709
	if ( !isset( $gallery ) ) return '';
710
711
	if ( !isset( $args ) ) {
712
		$args = array(
713
			'width' => 150,
714
			'height' => 150
715
		);
716
	}
717
718
	$featuredAttachment = $gallery->featured_attachment();
719
	if ( $featuredAttachment ) {
720
		return $featuredAttachment->html_img( $args );
721
	} else {
722
		//if we have no featured attachment, then use the built-in image placeholder
723
		return foogallery_image_placeholder_html( $args );
724
	}
725
}
726
727
/**
728
 * Returns the thumbnail src for the featured attachment for a gallery.
729
 * If no featured attachment can be found, then a placeholder image src is returned instead
730
 *
731
 * @param FooGallery $gallery
732
 * @param array $args
733
 *
734
 * @return string
735
 */
736
function foogallery_find_featured_attachment_thumbnail_src( $gallery, $args = null ){
737
	if ( !isset( $gallery ) ) return '';
738
739
	if ( !isset( $args ) ) {
740
		$args = array(
741
			'width' => 150,
742
			'height' => 150
743
		);
744
	}
745
746
	$featuredAttachment = $gallery->featured_attachment();
747
	if ( $featuredAttachment ) {
748
		return $featuredAttachment->html_img_src( $args );
749
	} else {
750
		//if we have no featured attachment, then use the built-in image placeholder
751
		return foogallery_image_placeholder_src();
752
	}
753
}
754
755
/**
756
 * Returns the available retina options that can be chosen
757
 */
758
function foogallery_retina_options() {
759
    return apply_filters( 'foogallery_retina_options', array(
760
        '2x' => __('2x', 'foogallery'),
761
        '3x' => __('3x', 'foogallery'),
762
        '4x' => __('4x', 'foogallery')
763
    ) );
764
}