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Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More / 6.14
Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More v6.14
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formidable / classes / helpers / FrmStylesHelper.php

FrmStylesHelper.php in Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More 6.14, at classes/helpers/FrmStylesHelper.php

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1 <?php
2 if ( ! defined( 'ABSPATH' ) ) {
3 die( 'You are not allowed to call this page directly.' );
4 }
5
6 class FrmStylesHelper {
7
8 public static function get_upload_base() {
9 $uploads = wp_upload_dir();
10 if ( is_ssl() && ! preg_match( '/^https:\/\/.*\..*$/', $uploads['baseurl'] ) ) {
11 $uploads['baseurl'] = str_replace( 'http://', 'https://', $uploads['baseurl'] );
12 }
13
14 return $uploads;
15 }
16
17 /**
18 * Called from the admin header.
19 *
20 * @since 4.0
21 */
22 public static function save_button() {
23 ?>
24 <input type="submit" name="submit" class="button button-primary frm-button-primary" value="<?php esc_attr_e( 'Update', 'formidable' ); ?>" />
25 <?php
26 }
27
28 /**
29 * @since 2.05
30 */
31 public static function get_css_label_positions() {
32 return array(
33 'none' => __( 'top', 'formidable' ),
34 'left' => __( 'left', 'formidable' ),
35 'right' => __( 'right', 'formidable' ),
36 'no_label' => __( 'none', 'formidable' ),
37 'inside' => __( 'inside', 'formidable' ),
38 );
39 }
40
41 /**
42 * @since 6.11 Added $field param.
43 *
44 * @param array|object $field
45 *
46 * @return array
47 */
48 public static function get_single_label_positions( $field = array() ) {
49 $label_positions = array(
50 'top' => __( 'Top', 'formidable' ),
51 'left' => __( 'Left', 'formidable' ),
52 'right' => __( 'Right', 'formidable' ),
53 'inline' => __( 'Inline (left without a set width)', 'formidable' ),
54 'none' => __( 'None', 'formidable' ),
55 'hidden' => __( 'Hidden (but leave the space)', 'formidable' ),
56 'inside' => __( 'Placeholder inside the field', 'formidable' ),
57 );
58
59 /**
60 * Allows updating label positions in field settings.
61 *
62 * @since 6.11
63 *
64 * @param array $label_positions
65 * @param array|object $field
66 */
67 return apply_filters( 'frm_single_label_positions', $label_positions, $field );
68 }
69
70 public static function minus_icons() {
71 return array(
72 0 => array(
73 '-' => '62e',
74 '+' => '62f',
75 ),
76 1 => array(
77 '-' => '600',
78 '+' => '602',
79 ),
80 2 => array(
81 '-' => '604',
82 '+' => '603',
83 ),
84 3 => array(
85 '-' => '633',
86 '+' => '632',
87 ),
88 4 => array(
89 '-' => '613',
90 '+' => '60f',
91 ),
92 );
93 }
94
95 public static function arrow_icons() {
96 $minus_icons = self::minus_icons();
97
98 return array(
99 6 => array(
100 '-' => '62d',
101 '+' => '62a',
102 ),
103 0 => array(
104 '-' => '60d',
105 '+' => '609',
106 ),
107 1 => array(
108 '-' => '60e',
109 '+' => '60c',
110 ),
111 2 => array(
112 '-' => '630',
113 '+' => '631',
114 ),
115 3 => array(
116 '-' => '62b',
117 '+' => '628',
118 ),
119 4 => array(
120 '-' => '62c',
121 '+' => '629',
122 ),
123 5 => array(
124 '-' => '635',
125 '+' => '634',
126 ),
127 'p0' => $minus_icons[0],
128 'p1' => $minus_icons[1],
129 'p2' => $minus_icons[2],
130 'p3' => $minus_icons[3],
131 'p4' => $minus_icons[4],
132 );
133 }
134
135 /**
136 * @since 2.0
137 * @return string The class for this icon.
138 */
139 public static function icon_key_to_class( $key, $icon = '+', $type = 'arrow' ) {
140 if ( 'arrow' === $type && is_numeric( $key ) ) {
141 // frm_arrowup6_icon.
142 $arrow = array(
143 '-' => 'down',
144 '+' => 'up',
145 );
146 $class = 'frm_arrow' . $arrow[ $icon ];
147 } else {
148 // frm_minus1_icon.
149 $key = str_replace( 'p', '', $key );
150 $plus = array(
151 '-' => 'minus',
152 '+' => 'plus',
153 );
154 $class = 'frm_' . $plus[ $icon ];
155 }
156
157 if ( $key ) {
158 $class .= $key;
159 }
160 $class .= '_icon';
161
162 return $class;
163 }
164
165 /**
166 * @param WP_Post $style
167 * @param FrmStyle $frm_style
168 * @param string $type
169 * @return void
170 */
171 public static function bs_icon_select( $style, $frm_style, $type = 'arrow' ) {
172 $function_name = $type . '_icons';
173 $icons = self::$function_name();
174 unset( $function_name );
175
176 $name = 'arrow' === $type ? 'collapse_icon' : 'repeat_icon';
177 ?>
178 <div class="btn-group" id="frm_<?php echo esc_attr( $name ); ?>_select">
179 <button class="multiselect dropdown-toggle btn btn-default" data-toggle="dropdown" type="button">
180 <?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '+', $type ) ); ?>
181 <?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '-', $type ) ); ?>
182 <b class="caret"></b>
183 </button>
184 <ul class="multiselect-container frm-dropdown-menu">
185 <?php foreach ( $icons as $key => $icon ) { ?>
186 <li <?php echo $style->post_content['collapse_icon'] == $key ? 'class="active"' : ''; ?>>
187 <a href="javascript:void(0);">
188 <label>
189 <input type="radio" value="<?php echo esc_attr( $key ); ?>" name="<?php echo esc_attr( $frm_style->get_field_name( $name ) ); ?>" <?php checked( $style->post_content[ $name ], $key ); ?> />
190 <span>
191 <?php
192 FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '+', $type ) );
193 FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '-', $type ) );
194 ?>
195 </span>
196 </label>
197 </a>
198 </li>
199 <?php } ?>
200 </ul>
201 </div>
202 <?php
203 }
204
205 /**
206 * Convert a color setting to a RGB CSV (without the rgb()/rgba() wrapper).
207 *
208 * @since 2.0
209 *
210 * @param string $color Color setting value. This could be hex or rgb.
211 * @return string RGB value without the rgb() wrapper.
212 */
213 public static function hex2rgb( $color ) {
214 if ( 0 === strpos( $color, 'rgb' ) ) {
215 $rgb = self::get_rgb_array_from_rgb( $color );
216 } else {
217 $rgb = self::get_rgb_array_from_hex( $color );
218 }
219 return implode( ',', $rgb );
220 }
221
222 /**
223 * Remove the rgb()/rgba() wrapper from a RGB color and return its R, G and B values as an array.
224 *
225 * @since 6.8.3
226 *
227 * @param string $rgb RGB value including the rgb() or rgba() wrapper.
228 * @return array<string> including three numeric values for R, G, and B.
229 */
230 private static function get_rgb_array_from_rgb( $rgb ) {
231 $rgb = str_replace( array( 'rgb(', 'rgba(', ')' ), '', $rgb );
232 $rgb = explode( ',', $rgb );
233 if ( 4 === count( $rgb ) ) {
234 // Drop the alpha. The function is expected to only return r,g,b with no alpha.
235 array_pop( $rgb );
236 }
237 return $rgb;
238 }
239
240 /**
241 * Get the R, G, and B array values from a Hex color code.
242 *
243 * @since 6.8.3
244 *
245 * @param string $hex A hex color string.
246 * @return array<string> Including three numeric values for R, G, and B.
247 */
248 private static function get_rgb_array_from_hex( $hex ) {
249 $hex = str_replace( '#', '', $hex );
250 list( $r, $g, $b ) = sscanf( $hex, '%02x%02x%02x' );
251 return array( $r, $g, $b );
252 }
253
254 /**
255 * @since 4.0
256 */
257 public static function hex2rgba( $hex, $a ) {
258 $rgb = self::hex2rgb( $hex );
259
260 return 'rgba(' . $rgb . ',' . $a . ')';
261 }
262
263 /**
264 * @since 6.0
265 *
266 * @param string $rgba Color setting value. This could be hex or rgb.
267 * @return string Hex color value.
268 */
269 private static function rgb_to_hex( $rgba ) {
270 if ( strpos( $rgba, '#' ) === 0 ) {
271 // Color is already hex.
272 return $rgba;
273 }
274 preg_match( '/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i', $rgba, $by_color );
275 return sprintf( '%02x%02x%02x', $by_color[1], $by_color[2], $by_color[3] );
276 }
277
278 /**
279 * @since 6.8
280 *
281 * @param string $hsl
282 * @return string|null Null if it fails to parse the HSL string.
283 */
284 private static function hsl_to_hex( $hsl ) {
285 // Convert hsla to hsl.
286 $hsl = preg_replace( '/hsla\((\d+),\s*([\d.]+)%,\s*([\d.]+)%,\s*([\d.]+)\)/', 'hsl($1, $2%, $3%)', $hsl );
287
288 // Extract HSL components from the color string.
289 preg_match( '/hsl\((\d+),\s*(\d+)%,\s*(\d+)%\)/', $hsl, $matches );
290
291 if ( count( $matches ) !== 4 ) {
292 // Invalid HSL string format.
293 return null;
294 }
295
296 // Extract HSL values.
297 $h = (int) $matches[1];
298 $s = (int) $matches[2] / 100;
299 $l = (int) $matches[3] / 100;
300
301 // Calculate RGB values.
302 $c = ( 1 - abs( 2 * $l - 1 ) ) * $s;
303 $x = $c * ( 1 - abs( ( (int) ( $h / 60 ) % 2 ) - 1 ) );
304 $m = $l - $c / 2;
305 $r = 0;
306 $g = 0;
307 $b = 0;
308
309 if ( $h >= 0 && $h < 60 ) {
310 $r = $c;
311 $g = $x;
312 } elseif ( $h >= 60 && $h < 120 ) {
313 $r = $x;
314 $g = $c;
315 } elseif ( $h >= 120 && $h < 180 ) {
316 $g = $c;
317 $b = $x;
318 } elseif ( $h >= 180 && $h < 240 ) {
319 $g = $x;
320 $b = $c;
321 } elseif ( $h >= 240 && $h < 300 ) {
322 $r = $x;
323 $b = $c;
324 } elseif ( $h >= 300 && $h < 360 ) {
325 $r = $c;
326 $b = $x;
327 }//end if
328
329 // Convert RGB to 8-bit values
330 $r = round( ( $r + $m ) * 255 );
331 $g = round( ( $g + $m ) * 255 );
332 $b = round( ( $b + $m ) * 255 );
333
334 // Convert RGB to hex
335 $hex = sprintf( '%02x%02x%02x', $r, $g, $b );
336
337 return $hex;
338 }
339
340 /**
341 * @since 2.3
342 * @param string $hex string The original color in hex format #ffffff.
343 * @param int $steps integer Should be between -255 and 255. Negative = darker, positive = lighter.
344 */
345 public static function adjust_brightness( $hex, $steps ) {
346 $steps = max( - 255, min( 255, $steps ) );
347
348 if ( 0 === strpos( $hex, 'rgba(' ) ) {
349 $rgba = str_replace( ')', '', str_replace( 'rgba(', '', $hex ) );
350 list ( $r, $g, $b, $a ) = array_map( 'trim', explode( ',', $rgba ) );
351 $r = max( 0, min( 255, $r + $steps ) );
352 $g = max( 0, min( 255, $g + $steps ) );
353 $b = max( 0, min( 255, $b + $steps ) );
354 return 'rgba(' . $r . ',' . $g . ',' . $b . ',' . $a . ')';
355 }
356
357 // Normalize into a six character long hex string
358 $hex = str_replace( '#', '', $hex );
359 self::fill_hex( $hex );
360
361 // Split into three parts: R, G and B
362 $color_parts = str_split( $hex, 2 );
363 $return = '#';
364
365 foreach ( $color_parts as $color ) {
366 // Convert to decimal.
367 $color = hexdec( $color );
368 // Adjust color.
369 $color = max( 0, min( 255, $color + $steps ) );
370
371 // Make two char hex code.
372 $return .= str_pad( dechex( $color ), 2, '0', STR_PAD_LEFT );
373 }
374
375 return $return;
376 }
377
378 /**
379 * @since 6.0
380 *
381 * @param string $color
382 * @return int
383 */
384 public static function get_color_brightness( $color ) {
385 if ( 0 === strpos( $color, 'rgb' ) ) {
386 $color = self::rgb_to_hex( $color );
387 }
388
389 if ( 0 === strpos( $color, 'hsl' ) ) {
390 $hsl_to_hex = self::hsl_to_hex( $color );
391 if ( is_null( $hsl_to_hex ) ) {
392 // Fallback if we cannot convert the HSL value.
393 return 0;
394 }
395 $color = $hsl_to_hex;
396 }
397
398 self::fill_hex( $color );
399
400 $c_r = hexdec( substr( $color, 0, 2 ) );
401 $c_g = hexdec( substr( $color, 2, 2 ) );
402 $c_b = hexdec( substr( $color, 4, 2 ) );
403 $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
404
405 return $brightness;
406 }
407
408 /**
409 * Change a 3 character hex color to a 6 character one.
410 *
411 * @since 6.0
412 *
413 * @return void
414 */
415 private static function fill_hex( &$color ) {
416 if ( 3 === strlen( $color ) ) {
417 $color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2];
418 }
419 }
420
421 /**
422 * @since 4.05.02
423 */
424 public static function get_css_vars( $vars = array() ) {
425 $vars = apply_filters( 'frm_css_vars', $vars );
426 return array_unique( $vars );
427 }
428
429 /**
430 * @since 4.05.02
431 */
432 public static function output_vars( $settings, $defaults = array(), $vars = array() ) {
433 if ( empty( $vars ) ) {
434 $vars = self::get_css_vars( array_keys( $settings ) );
435 }
436 $remove = array( 'remove_box_shadow', 'remove_box_shadow_active', 'theme_css', 'theme_name', 'theme_selector', 'important_style', 'submit_style', 'collapse_icon', 'center_form', 'custom_css', 'style_class', 'submit_bg_img', 'change_margin', 'repeat_icon' );
437 $vars = array_diff( $vars, $remove );
438
439 foreach ( $vars as $var ) {
440 if ( ! isset( $settings[ $var ] ) ) {
441 continue;
442 }
443 if ( ! isset( $defaults[ $var ] ) ) {
444 $defaults[ $var ] = '';
445 }
446 $show = empty( $defaults ) || ( $settings[ $var ] !== '' && $settings[ $var ] !== $defaults[ $var ] );
447 if ( $show ) {
448 echo '--' . esc_html( str_replace( '_', '-', $var ) ) . ':' . self::css_var_prepare_value( $settings, $var ) . ';'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
449 }
450 }
451 }
452
453 /**
454 * Prepare the value for a CSS variable.
455 *
456 * @since 6.14
457 *
458 * @param array $settings An array of css style.
459 * @param string $key
460 *
461 * @return string
462 */
463 private static function css_var_prepare_value( $settings, $key ) {
464 $value = $settings[ $key ];
465
466 switch ( $key ) {
467 case 'font':
468 return safecss_filter_attr( $value );
469
470 case 'field_border_width':
471 if ( ! empty( $settings['field_shape_type'] ) && 'underline' === $settings['field_shape_type'] ) {
472 return safecss_filter_attr( '0px 0px ' . $value . ' 0px' );
473 }
474 break;
475
476 case 'box_shadow':
477 if ( ! empty( $settings['field_shape_type'] ) && 'underline' === $settings['field_shape_type'] ) {
478 return safecss_filter_attr( 'none' );
479 }
480 break;
481
482 case 'border_radius':
483 if ( ! empty( $settings['field_shape_type'] ) ) {
484 switch ( $settings['field_shape_type'] ) {
485 case 'underline':
486 case 'regular':
487 return safecss_filter_attr( '0px' );
488 case 'circle':
489 return safecss_filter_attr( '30px' );
490 }
491 }
492 break;
493 }//end switch
494
495 return esc_html( $settings[ $key ] );
496 }
497
498 /**
499 * @since 2.3
500 *
501 * @param WP_Post $style
502 * @return array
503 */
504 public static function get_settings_for_output( $style ) {
505 if ( self::previewing_style() ) {
506 $frm_style = new FrmStyle();
507 if ( isset( $_POST['frm_style_setting'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
508
509 // Sanitizing is done later.
510 $posted = wp_unslash( $_POST['frm_style_setting'] ); //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing
511 if ( ! is_array( $posted ) ) {
512 $posted = json_decode( $posted, true );
513 FrmAppHelper::format_form_data( $posted );
514 $settings = $frm_style->sanitize_post_content( $posted['frm_style_setting']['post_content'] );
515 $style_name = sanitize_title( $posted['style_name'] );
516 } else {
517 $settings = $frm_style->sanitize_post_content( $posted['post_content'] );
518 $style_name = FrmAppHelper::get_post_param( 'style_name', '', 'sanitize_title' );
519 }
520 } else {
521 $settings = $frm_style->sanitize_post_content( wp_unslash( $_GET ) );
522 $style_name = FrmAppHelper::get_param( 'style_name', '', 'get', 'sanitize_title' );
523 }
524
525 $settings = self::update_base_font_size( $settings, $frm_style->get_defaults() );
526
527 FrmAppHelper::sanitize_value( 'sanitize_text_field', $settings );
528
529 $settings['style_class'] = '';
530 if ( ! empty( $style_name ) ) {
531 $settings['style_class'] = $style_name . '.';
532 }
533 } else {
534 $settings = $style->post_content;
535 $settings['style_class'] = 'frm_style_' . $style->post_name . '.';
536 }//end if
537
538 $settings['style_class'] .= 'with_frm_style';
539 $settings['font'] = stripslashes( $settings['font'] );
540 $settings['change_margin'] = self::description_margin_for_screensize( $settings['width'] );
541
542 $checkbox_opts = array( 'important_style', 'auto_width', 'submit_style', 'collapse_icon', 'center_form' );
543 foreach ( $checkbox_opts as $opt ) {
544 if ( ! isset( $settings[ $opt ] ) ) {
545 $settings[ $opt ] = 0;
546 }
547 }
548
549 self::prepare_color_output( $settings );
550
551 $settings['field_height'] = $settings['field_height'] === '' ? 'auto' : $settings['field_height'];
552 $settings['field_width'] = $settings['field_width'] === '' ? 'auto' : $settings['field_width'];
553 $settings['auto_width'] = $settings['auto_width'] ? 'auto' : $settings['field_width'];
554 $settings['box_shadow'] = ! empty( $settings['remove_box_shadow'] ) ? 'none' : '0 1px 2px 0 rgba(18, 18, 23, 0.05)';
555
556 if ( ! isset( $settings['repeat_icon'] ) ) {
557 $settings['repeat_icon'] = 1;
558 }
559
560 return $settings;
561 }
562
563 /**
564 * Update the "Base Font Size" value from "Quick Settings across multiple settings values".
565 *
566 * @since 6.14
567 *
568 * @param array $settings An array of css style.
569 *
570 * @return array
571 */
572 public static function update_base_font_size( $settings, $defaults ) {
573 if ( empty( $settings['base_font_size'] ) || empty( $settings['use_base_font_size'] ) ) {
574 return $settings;
575 }
576 $base_font_size = (int) $settings['base_font_size'];
577 $font_size = $settings['font_size'];
578 $font_sizes_to_update = array(
579 'font_size',
580 'field_font_size',
581 'check_font_size',
582 'title_size',
583 'form_desc_size',
584 'description_font_size',
585 'section_font_size',
586 'submit_font_size',
587 'success_font_size',
588 'error_font_size',
589 'progress_size',
590 );
591
592 array_map(
593 function ( $key ) use ( $defaults, $font_size, $base_font_size, &$settings ) {
594 if ( isset( $settings[ $key ] ) ) {
595 $settings[ $key ] = round( self::get_base_font_size_scale( $key, $font_size, $defaults ) * $base_font_size ) . 'px';
596 }
597 },
598 $font_sizes_to_update
599 );
600
601 return $settings;
602 }
603
604 /**
605 * Get style font size scale value.
606 *
607 * @since 6.14
608 *
609 * @return float
610 */
611 private static function get_base_font_size_scale( $key, $value, $defaults ) {
612 if ( empty( $defaults[ $key ] ) || ! is_numeric( (int) $defaults[ $key ] ) || ! is_numeric( (int) $value ) ) {
613 return 1;
614 }
615
616 return round( (int) $defaults[ $key ] / (int) $value, 2 );
617 }
618
619 /**
620 * @since 2.3
621 */
622 public static function prepare_color_output( &$settings, $allow_transparent = true ) {
623 $colors = self::allow_color_override();
624 foreach ( $colors as $css => $opts ) {
625 if ( $css === 'transparent' && ! $allow_transparent ) {
626 $css = '';
627 }
628 foreach ( $opts as $opt ) {
629 self::get_color_output( $css, $settings[ $opt ] );
630 }
631 }
632 }
633
634 /**
635 * @since 2.3
636 *
637 * @return array
638 */
639 private static function allow_color_override() {
640 $frm_style = new FrmStyle();
641 $colors = $frm_style->get_color_settings();
642
643 $transparent = array(
644 'fieldset_color',
645 'fieldset_bg_color',
646 'bg_color',
647 'bg_color_active',
648 'bg_color_disabled',
649 'section_bg_color',
650 'error_bg',
651 'success_bg_color',
652 'progress_bg_color',
653 'progress_active_bg_color',
654 'submit_border_color',
655 'submit_hover_border_color',
656 'submit_active_border_color',
657 'submit_hover_bg_color',
658 'submit_active_bg_color',
659 );
660
661 return array(
662 'transparent' => $transparent,
663 '' => array_diff( $colors, $transparent ),
664 );
665 }
666
667 /**
668 * @since 2.3
669 */
670 private static function get_color_output( $default, &$color ) {
671 $color = trim( $color );
672 if ( empty( $color ) ) {
673 $color = $default;
674 } elseif ( false !== strpos( $color, 'rgb(' ) ) {
675 $color = str_replace( 'rgb(', 'rgba(', $color );
676 $color = str_replace( ')', ',1)', $color );
677 } elseif ( strpos( $color, '#' ) === false && self::is_hex( $color ) ) {
678 $color = '#' . $color;
679 }
680 }
681
682 /**
683 * If a color looks like a hex code without the #, prepend the #.
684 * A color looks like a hex code if it does not contain the substrings "rgb", "rgba", "hsl", "hsla", or "hwb".
685 *
686 * @since 6.8
687 *
688 * @param string $color
689 * @return bool
690 */
691 private static function is_hex( $color ) {
692 $non_hex_substrings = array(
693 'rgba(',
694 'hsl(',
695 'hsla(',
696 'hwb(',
697 );
698
699 foreach ( $non_hex_substrings as $substring ) {
700 if ( false !== strpos( $color, $substring ) ) {
701 return false;
702 }
703 }
704
705 return true;
706 }
707
708 /**
709 * If left/right label is over a certain size,
710 * adjust the field description margin at a different screen size
711 *
712 * @since 2.3
713 */
714 private static function description_margin_for_screensize( $width ) {
715 $temp_label_width = str_replace( 'px', '', $width );
716 $change_margin = false;
717 if ( $temp_label_width >= 230 ) {
718 $change_margin = '800px';
719 } elseif ( $width >= 215 ) {
720 $change_margin = '700px';
721 } elseif ( $width >= 180 ) {
722 $change_margin = '650px';
723 }
724
725 return $change_margin;
726 }
727
728 /**
729 * @since 2.3
730 *
731 * @return bool
732 */
733 public static function previewing_style() {
734 $ajax_change = isset( $_POST['action'] ) && $_POST['action'] === 'frm_change_styling' && isset( $_POST['frm_style_setting'] ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
735
736 return $ajax_change || isset( $_GET['flat'] );
737 }
738
739 /**
740 * Get the URL for the Styler page list view (where you can assign styles to a form and view style templates) for a target form.
741 *
742 * @since 6.0
743 *
744 * @param int|string $form_id
745 * @return string
746 */
747 public static function get_list_url( $form_id ) {
748 return admin_url( 'admin.php?page=formidable-styles&form=' . absint( $form_id ) );
749 }
750
751 /**
752 * Get the back button args from Style settings.
753 *
754 * @since 6.14
755 *
756 * @param stdClass|WP_Post $style
757 * @param int $form_id
758 * @return array
759 */
760 public static function get_style_options_back_button_args( $style, $form_id ) {
761 if ( self::is_advanced_settings() ) {
762 return array(
763 'title' => __( 'Quick Settings', 'formidable' ),
764 'id' => 'frm_style_back_to_quick_settings',
765 );
766 }
767 return array(
768 'href' => self::get_list_url( $form_id ),
769 'title' => $style->post_title,
770 );
771 }
772
773 /**
774 * Get a link to edit a target style post object in the visual styler.
775 *
776 * @param stdClass|WP_Post $style
777 * @param int|string $form_id Used for the back button and preview form target.
778 * @param string $section The url param section.
779 *
780 * @return string
781 */
782 public static function get_edit_url( $style, $form_id = 0, $section = '' ) {
783 $query_args = array(
784 'page' => 'formidable-styles',
785 'frm_action' => 'edit',
786 'id' => $style->ID,
787 'section' => $section,
788 );
789
790 if ( $form_id ) {
791 // We include &form_id for the back button to know where to point to.
792 $query_args['form'] = $form_id;
793 }
794
795 return add_query_arg( $query_args, admin_url( 'admin.php' ) );
796 }
797
798 /**
799 * Get a count of the number of forms assigned to a target style ID.
800 * All unassigned forms are included in the count for the default style.
801 *
802 * @since 6.0
803 *
804 * @param int|string $style_id
805 * @param bool $is_default
806 * @return int
807 */
808 public static function get_form_count_for_style( $style_id, $is_default ) {
809 $serialized = serialize( array( 'custom_style' => (string) $style_id ) );
810 // Chop off the "a:1:{" from the front and the "}" from the back.
811 $substring = substr( $serialized, 5, -1 );
812 $number_of_forms = FrmDb::get_count(
813 'frm_forms',
814 array(
815 'status' => 'published',
816 'options LIKE' => $substring,
817 )
818 );
819
820 if ( ! $is_default ) {
821 // Exit early as the rest of the code is about including the default count.
822 return $number_of_forms;
823 }
824
825 $conversational_style_id = FrmDb::get_var( 'posts', array( 'post_name' => 'lines-no-boxes' ), 'ID' );
826 $number_of_forms += self::get_default_style_count( $style_id, $conversational_style_id );
827
828 return $number_of_forms;
829 }
830
831 /**
832 * Get the number of forms that use the default style.
833 *
834 * @since 6.0
835 *
836 * @param int|string $style_id
837 * @param mixed $conversational_style_id
838 * @return int
839 */
840 private static function get_default_style_count( $style_id, $conversational_style_id ) {
841 $substrings = array_map(
842 function ( $value ) {
843 $substring = serialize( array( 'custom_style' => $value ) );
844 return substr( $substring, 5, -1 );
845 },
846 array( '1', 1 )
847 );
848 $where = array(
849 'status' => 'published',
850 0 => array(
851 'options NOT LIKE' => 'custom_style',
852 'or' => 1,
853 'options LIKE' => $substrings,
854 ),
855 );
856
857 if ( $conversational_style_id ) {
858 // When a conversational style is set, check for it in the query by wrapping the where and adding a conversational option check.
859 $is_conversational_style = (int) $style_id === (int) $conversational_style_id;
860 $where[0] = array(
861 // The chat option doesn't exist if it isn't on.
862 ( $is_conversational_style ? 'options LIKE' : 'options NOT LIKE' ) => ';s:4:"chat";',
863 $where[0],
864 );
865 }
866
867 return FrmDb::get_count( 'frm_forms', $where );
868 }
869
870 /**
871 * Check if the current page is the advanced settings page.
872 *
873 * @since 6.14
874 *
875 * @return bool True if is advanced settings, false otherwise.
876 */
877 public static function is_advanced_settings() {
878 return FrmAppHelper::get_param( 'section' ) === 'advanced-settings' && FrmAppHelper::get_param( 'page' ) === 'formidable-styles';
879 }
880
881 /**
882 * Retrieve the background image URL of the submit button.
883 * It may be either a full URL string (used in versions prior to 6.14) or a numeric attachment ID (introduced in version 6.14).
884 *
885 * @since 6.14
886 *
887 * @param array $settings
888 * @return false|string Return image url or false.
889 */
890 public static function get_submit_image_bg_url( $settings ) {
891 $background_image = $settings['submit_bg_img'];
892 if ( empty( $background_image ) ) {
893 return false;
894 }
895 // Handle the case where the submit_bg_img is a full URL string. If the settings were saved with the older styler version prior to 6.14, the submit_bg_img will be a full URL string.
896 if ( ! is_numeric( $background_image ) ) {
897 return $background_image;
898 }
899
900 return wp_get_attachment_url( (int) $background_image );
901 }
902 /**
903 * Determines if the chosen JavaScript library should be used.
904 *
905 * @since 6.13
906 *
907 * @return bool
908 */
909 public static function use_chosen_js() {
910 if ( ! FrmAppHelper::pro_is_installed() ) {
911 return false;
912 }
913
914 return is_callable( 'FrmProAppHelper::use_chosen_js' )
915 ? FrmProAppHelper::use_chosen_js()
916 : true;
917 }
918
919 /**
920 * @since 5.5.1
921 * @deprecated 6.10
922 * @return void
923 */
924 public static function maybe_include_font_icon_css() {
925 _deprecated_function( __METHOD__, '6.10' );
926 }
927 }
928