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Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More / 6.5
Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More v6.5
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formidable / classes / helpers / FrmStylesHelper.php

FrmStylesHelper.php in Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More 6.5, 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 public static function get_single_label_positions() {
42 return array(
43 'top' => __( 'Top', 'formidable' ),
44 'left' => __( 'Left', 'formidable' ),
45 'right' => __( 'Right', 'formidable' ),
46 'inline' => __( 'Inline (left without a set width)', 'formidable' ),
47 'none' => __( 'None', 'formidable' ),
48 'hidden' => __( 'Hidden (but leave the space)', 'formidable' ),
49 'inside' => __( 'Placeholder inside the field', 'formidable' ),
50 );
51 }
52
53 public static function minus_icons() {
54 return array(
55 0 => array(
56 '-' => '62e',
57 '+' => '62f',
58 ),
59 1 => array(
60 '-' => '600',
61 '+' => '602',
62 ),
63 2 => array(
64 '-' => '604',
65 '+' => '603',
66 ),
67 3 => array(
68 '-' => '633',
69 '+' => '632',
70 ),
71 4 => array(
72 '-' => '613',
73 '+' => '60f',
74 ),
75 );
76 }
77
78 public static function arrow_icons() {
79 $minus_icons = self::minus_icons();
80
81 return array(
82 6 => array(
83 '-' => '62d',
84 '+' => '62a',
85 ),
86 0 => array(
87 '-' => '60d',
88 '+' => '609',
89 ),
90 1 => array(
91 '-' => '60e',
92 '+' => '60c',
93 ),
94 2 => array(
95 '-' => '630',
96 '+' => '631',
97 ),
98 3 => array(
99 '-' => '62b',
100 '+' => '628',
101 ),
102 4 => array(
103 '-' => '62c',
104 '+' => '629',
105 ),
106 5 => array(
107 '-' => '635',
108 '+' => '634',
109 ),
110 'p0' => $minus_icons[0],
111 'p1' => $minus_icons[1],
112 'p2' => $minus_icons[2],
113 'p3' => $minus_icons[3],
114 'p4' => $minus_icons[4],
115 );
116 }
117
118 /**
119 * @since 2.0
120 * @return string The class for this icon.
121 */
122 public static function icon_key_to_class( $key, $icon = '+', $type = 'arrow' ) {
123 if ( 'arrow' === $type && is_numeric( $key ) ) {
124 //frm_arrowup6_icon
125 $arrow = array(
126 '-' => 'down',
127 '+' => 'up',
128 );
129 $class = 'frm_arrow' . $arrow[ $icon ];
130 } else {
131 //frm_minus1_icon
132 $key = str_replace( 'p', '', $key );
133 $plus = array(
134 '-' => 'minus',
135 '+' => 'plus',
136 );
137 $class = 'frm_' . $plus[ $icon ];
138 }
139
140 if ( $key ) {
141 $class .= $key;
142 }
143 $class .= '_icon';
144
145 return $class;
146 }
147
148 /**
149 * @param WP_Post $style
150 * @param FrmStyle $frm_style
151 * @param string $type
152 * @return void
153 */
154 public static function bs_icon_select( $style, $frm_style, $type = 'arrow' ) {
155 $function_name = $type . '_icons';
156 $icons = self::$function_name();
157 unset( $function_name );
158
159 $name = 'arrow' === $type ? 'collapse_icon' : 'repeat_icon';
160 ?>
161 <div class="btn-group" id="frm_<?php echo esc_attr( $name ); ?>_select">
162 <button class="multiselect dropdown-toggle btn btn-default" data-toggle="dropdown" type="button">
163 <?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '+', $type ) ); ?>
164 <?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '-', $type ) ); ?>
165 <b class="caret"></b>
166 </button>
167 <ul class="multiselect-container frm-dropdown-menu">
168 <?php foreach ( $icons as $key => $icon ) { ?>
169 <li <?php echo ( $style->post_content['collapse_icon'] == $key ) ? 'class="active"' : ''; ?>>
170 <a href="javascript:void(0);">
171 <label>
172 <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 ); ?> />
173 <span>
174 <?php
175 FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '+', $type ) );
176 FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '-', $type ) );
177 ?>
178 </span>
179 </label>
180 </a>
181 </li>
182 <?php } ?>
183 </ul>
184 </div>
185 <?php
186 }
187
188 public static function hex2rgb( $hex ) {
189 $hex = str_replace( '#', '', $hex );
190
191 list( $r, $g, $b ) = sscanf( $hex, '%02x%02x%02x' );
192
193 $rgb = array( $r, $g, $b );
194
195 return implode( ',', $rgb );
196 }
197
198 /**
199 * @since 4.0
200 */
201 public static function hex2rgba( $hex, $a ) {
202 $rgb = self::hex2rgb( $hex );
203
204 return 'rgba(' . $rgb . ',' . $a . ')';
205 }
206
207 /**
208 * @since 6.0
209 *
210 * @param string $rgba
211 * @return string
212 */
213 private static function rgb_to_hex( $rgba ) {
214 if ( strpos( $rgba, '#' ) === 0 ) {
215 return $rgba;
216 }
217 preg_match( '/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i', $rgba, $by_color );
218 return sprintf( '%02x%02x%02x', $by_color[1], $by_color[2], $by_color[3] );
219 }
220
221 /**
222 * @param $hex string - The original color in hex format #ffffff
223 * @param $steps integer - should be between -255 and 255. Negative = darker, positive = lighter
224 *
225 * @since 2.3
226 */
227 public static function adjust_brightness( $hex, $steps ) {
228 $steps = max( - 255, min( 255, $steps ) );
229
230 if ( 0 === strpos( $hex, 'rgba(' ) ) {
231 $rgba = str_replace( ')', '', str_replace( 'rgba(', '', $hex ) );
232 list ( $r, $g, $b, $a ) = array_map( 'trim', explode( ',', $rgba ) );
233 $r = max( 0, min( 255, $r + $steps ) );
234 $g = max( 0, min( 255, $g + $steps ) );
235 $b = max( 0, min( 255, $b + $steps ) );
236 return 'rgba(' . $r . ',' . $g . ',' . $b . ',' . $a . ')';
237 }
238
239 // Normalize into a six character long hex string
240 $hex = str_replace( '#', '', $hex );
241 self::fill_hex( $hex );
242
243 // Split into three parts: R, G and B
244 $color_parts = str_split( $hex, 2 );
245 $return = '#';
246
247 foreach ( $color_parts as $color ) {
248 $color = hexdec( $color ); // Convert to decimal
249 $color = max( 0, min( 255, $color + $steps ) ); // Adjust color
250 $return .= str_pad( dechex( $color ), 2, '0', STR_PAD_LEFT ); // Make two char hex code
251 }
252
253 return $return;
254 }
255
256 /**
257 * @since 6.0
258 *
259 * @param string $color
260 * @return int
261 */
262 public static function get_color_brightness( $color ) {
263 if ( 0 === strpos( $color, 'rgb' ) ) {
264 $color = self::rgb_to_hex( $color );
265 }
266
267 self::fill_hex( $color );
268
269 $c_r = hexdec( substr( $color, 0, 2 ) );
270 $c_g = hexdec( substr( $color, 2, 2 ) );
271 $c_b = hexdec( substr( $color, 4, 2 ) );
272 $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
273
274 return $brightness;
275 }
276
277 /**
278 * Change a 3 character hex color to a 6 character one.
279 *
280 * @since 6.0
281 *
282 * @return array
283 */
284 private static function fill_hex( &$color ) {
285 if ( 3 === strlen( $color ) ) {
286 $color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2];
287 }
288 }
289
290 /**
291 * @since 4.05.02
292 */
293 public static function get_css_vars( $vars = array() ) {
294 $vars = apply_filters( 'frm_css_vars', $vars );
295 return array_unique( $vars );
296 }
297
298 /**
299 * @since 4.05.02
300 */
301 public static function output_vars( $settings, $defaults = array(), $vars = array() ) {
302 if ( empty( $vars ) ) {
303 $vars = self::get_css_vars( array_keys( $settings ) );
304 }
305 $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' );
306 $vars = array_diff( $vars, $remove );
307
308 foreach ( $vars as $var ) {
309 if ( ! isset( $settings[ $var ] ) ) {
310 continue;
311 }
312 if ( ! isset( $defaults[ $var ] ) ) {
313 $defaults[ $var ] = '';
314 }
315 $show = empty( $defaults ) || ( $settings[ $var ] !== '' && $settings[ $var ] !== $defaults[ $var ] );
316 if ( $show ) {
317 echo '--' . esc_html( str_replace( '_', '-', $var ) ) . ':' . ( $var === 'font' ? FrmAppHelper::kses( $settings[ $var ] ) : esc_html( $settings[ $var ] ) ) . ';'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
318 }
319 }
320 }
321
322 /**
323 * @since 2.3
324 *
325 * @param WP_Post $style
326 * @return array
327 */
328 public static function get_settings_for_output( $style ) {
329 if ( self::previewing_style() ) {
330 $frm_style = new FrmStyle();
331 if ( isset( $_POST['frm_style_setting'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
332
333 // Sanitizing is done later.
334 $posted = wp_unslash( $_POST['frm_style_setting'] ); //phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing
335 if ( ! is_array( $posted ) ) {
336 $posted = json_decode( $posted, true );
337 FrmAppHelper::format_form_data( $posted );
338 $settings = $frm_style->sanitize_post_content( $posted['frm_style_setting']['post_content'] );
339 $style_name = sanitize_title( $posted['style_name'] );
340 } else {
341 $settings = $frm_style->sanitize_post_content( $posted['post_content'] );
342 $style_name = FrmAppHelper::get_post_param( 'style_name', '', 'sanitize_title' );
343 }
344 } else {
345 $settings = $frm_style->sanitize_post_content( wp_unslash( $_GET ) );
346 $style_name = FrmAppHelper::get_param( 'style_name', '', 'get', 'sanitize_title' );
347 }
348
349 FrmAppHelper::sanitize_value( 'sanitize_text_field', $settings );
350
351 $settings['style_class'] = '';
352 if ( ! empty( $style_name ) ) {
353 $settings['style_class'] = $style_name . '.';
354 }
355 } else {
356 $settings = $style->post_content;
357 $settings['style_class'] = 'frm_style_' . $style->post_name . '.';
358 }
359
360 $settings['style_class'] .= 'with_frm_style';
361 $settings['font'] = stripslashes( $settings['font'] );
362 $settings['change_margin'] = self::description_margin_for_screensize( $settings['width'] );
363
364 $checkbox_opts = array( 'important_style', 'auto_width', 'submit_style', 'collapse_icon', 'center_form' );
365 foreach ( $checkbox_opts as $opt ) {
366 if ( ! isset( $settings[ $opt ] ) ) {
367 $settings[ $opt ] = 0;
368 }
369 }
370
371 self::prepare_color_output( $settings );
372
373 $settings['field_height'] = $settings['field_height'] === '' ? 'auto' : $settings['field_height'];
374 $settings['field_width'] = $settings['field_width'] === '' ? 'auto' : $settings['field_width'];
375 $settings['auto_width'] = $settings['auto_width'] ? 'auto' : $settings['field_width'];
376 $settings['box_shadow'] = ! empty( $settings['remove_box_shadow'] ) ? 'none' : '0 1px 1px rgba(0, 0, 0, 0.075) inset';
377
378 if ( ! isset( $settings['repeat_icon'] ) ) {
379 $settings['repeat_icon'] = 1;
380 }
381
382 return $settings;
383 }
384
385 /**
386 * @since 2.3
387 */
388 public static function prepare_color_output( &$settings, $allow_transparent = true ) {
389 $colors = self::allow_color_override();
390 foreach ( $colors as $css => $opts ) {
391 if ( $css === 'transparent' && ! $allow_transparent ) {
392 $css = '';
393 }
394 foreach ( $opts as $opt ) {
395 self::get_color_output( $css, $settings[ $opt ] );
396 }
397 }
398 }
399
400 /**
401 * @since 2.3
402 *
403 * @return array
404 */
405 private static function allow_color_override() {
406 $frm_style = new FrmStyle();
407 $colors = $frm_style->get_color_settings();
408
409 $transparent = array(
410 'fieldset_color',
411 'fieldset_bg_color',
412 'bg_color',
413 'bg_color_active',
414 'bg_color_disabled',
415 'section_bg_color',
416 'error_bg',
417 'success_bg_color',
418 'progress_bg_color',
419 'progress_active_bg_color',
420 'submit_border_color',
421 'submit_hover_border_color',
422 'submit_active_border_color',
423 'submit_hover_bg_color',
424 'submit_active_bg_color',
425 );
426
427 return array(
428 'transparent' => $transparent,
429 '' => array_diff( $colors, $transparent ),
430 );
431 }
432
433 /**
434 * @since 2.3
435 */
436 private static function get_color_output( $default, &$color ) {
437 $color = trim( $color );
438 if ( empty( $color ) ) {
439 $color = $default;
440 } elseif ( false !== strpos( $color, 'rgb(' ) ) {
441 $color = str_replace( 'rgb(', 'rgba(', $color );
442 $color = str_replace( ')', ',1)', $color );
443 } elseif ( strpos( $color, '#' ) === false && false === strpos( $color, 'rgba(' ) ) {
444 $color = '#' . $color;
445 }
446 }
447
448 /**
449 * If left/right label is over a certain size,
450 * adjust the field description margin at a different screen size
451 *
452 * @since 2.3
453 */
454 private static function description_margin_for_screensize( $width ) {
455 $temp_label_width = str_replace( 'px', '', $width );
456 $change_margin = false;
457 if ( $temp_label_width >= 230 ) {
458 $change_margin = '800px';
459 } elseif ( $width >= 215 ) {
460 $change_margin = '700px';
461 } elseif ( $width >= 180 ) {
462 $change_margin = '650px';
463 }
464
465 return $change_margin;
466 }
467
468 /**
469 * @since 2.3
470 *
471 * @return bool
472 */
473 public static function previewing_style() {
474 $ajax_change = isset( $_POST['action'] ) && $_POST['action'] === 'frm_change_styling' && isset( $_POST['frm_style_setting'] ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
475
476 return $ajax_change || isset( $_GET['flat'] );
477 }
478
479 /**
480 * @since 5.5.1
481 * @return void
482 */
483 public static function maybe_include_font_icon_css() {
484 $signature_add_on_is_active = class_exists( 'FrmSigAppHelper', false );
485
486 if ( ! FrmAppHelper::pro_is_installed() && ! $signature_add_on_is_active ) {
487 // If Pro and Signatures are both not active, there is no need to include the font icon CSS in lite.
488 return;
489 }
490
491 $pro_version_will_handle_loading = false;
492
493 if ( class_exists( 'FrmProDb', false ) ) {
494 $pro_version_that_includes_font_icons_css = '5.5.1';
495
496 // Include font icons in Lite for backward compatibility with older version of Pro.
497 $pro_version_will_handle_loading = version_compare( FrmProDb::$plug_version, $pro_version_that_includes_font_icons_css, '>=' );
498 }
499
500 $load_it_here = false;
501 if ( ! $pro_version_will_handle_loading ) {
502 // If Pro is not handling it, we still need to include it for the Signature add on.
503 $load_it_here = $signature_add_on_is_active;
504 }
505
506 if ( $load_it_here ) {
507 readfile( FrmAppHelper::plugin_path() . '/css/font_icons.css' );
508 }
509 }
510
511 /**
512 * 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.
513 *
514 * @since 6.0
515 *
516 * @param string|int $form_id
517 * @return string
518 */
519 public static function get_list_url( $form_id ) {
520 return admin_url( 'admin.php?page=formidable-styles&form=' . absint( $form_id ) );
521 }
522
523 /**
524 * Get a link to edit a target style post object in the visual styler.
525 *
526 * @param WP_Post|stdClass $style
527 * @param string|int $form_id Used for the back button and preview form target.
528 * @return string
529 */
530 public static function get_edit_url( $style, $form_id = 0 ) {
531 $query_args = array(
532 'page' => 'formidable-styles',
533 'frm_action' => 'edit',
534 'id' => $style->ID,
535 );
536
537 if ( $form_id ) {
538 // We include &form_id for the back button to know where to point to.
539 $query_args['form'] = $form_id;
540 }
541
542 return add_query_arg( $query_args, admin_url( 'admin.php' ) );
543 }
544
545 /**
546 * Get a count of the number of forms assigned to a target style ID.
547 * All unassigned forms are included in the count for the default style.
548 *
549 * @since 6.0
550 *
551 * @param string|int $style_id
552 * @param bool $is_default
553 * @return int
554 */
555 public static function get_form_count_for_style( $style_id, $is_default ) {
556 $serialized = serialize( array( 'custom_style' => (string) $style_id ) );
557 $substring = substr( $serialized, 5, -1 ); // Chop off the "a:1:{" from the front and the "}" from the back.
558 $number_of_forms = FrmDb::get_count(
559 'frm_forms',
560 array(
561 'status' => 'published',
562 'options LIKE' => $substring,
563 )
564 );
565
566 if ( ! $is_default ) {
567 // Exit early as the rest of the code is about including the default count.
568 return $number_of_forms;
569 }
570
571 $conversational_style_id = FrmDb::get_var( 'posts', array( 'post_name' => 'lines-no-boxes' ), 'ID' );
572 $number_of_forms += self::get_default_style_count( $style_id, $conversational_style_id );
573
574 return $number_of_forms;
575 }
576
577 /**
578 * Get the number of forms that use the default style.
579 *
580 * @since 6.0
581 *
582 * @param string|int $style_id
583 * @param mixed $conversational_style_id
584 * @return int
585 */
586 private static function get_default_style_count( $style_id, $conversational_style_id ) {
587 $substrings = array_map(
588 function( $value ) {
589 $substring = serialize( array( 'custom_style' => $value ) );
590 return substr( $substring, 5, -1 );
591 },
592 array( '1', 1 )
593 );
594 $where = array(
595 'status' => 'published',
596 0 => array(
597 'options NOT LIKE' => 'custom_style',
598 'or' => 1,
599 'options LIKE' => $substrings,
600 ),
601 );
602
603 if ( $conversational_style_id ) {
604 // When a conversational style is set, check for it in the query by wrapping the where and adding a conversational option check.
605 $is_conversational_style = (int) $style_id === (int) $conversational_style_id;
606 $where[0] = array(
607 // The chat option doesn't exist if it isn't on.
608 ( $is_conversational_style ? 'options LIKE' : 'options NOT LIKE' ) => ';s:4:"chat";',
609 $where[0],
610 );
611 }
612
613 return FrmDb::get_count( 'frm_forms', $where );
614 }
615
616 /**
617 * @deprecated 3.01
618 * @codeCoverageIgnore
619 */
620 public static function get_sigle_label_postitions() {
621 return FrmDeprecated::get_sigle_label_postitions();
622 }
623
624 /**
625 * @deprecated 3.02.03
626 * @codeCoverageIgnore
627 */
628 public static function jquery_themes() {
629 return FrmDeprecated::jquery_themes();
630 }
631
632 /**
633 * @deprecated 3.02.03
634 * @codeCoverageIgnore
635 */
636 public static function jquery_css_url( $theme_css ) {
637 return FrmDeprecated::jquery_css_url( $theme_css );
638 }
639
640 /**
641 * @deprecated 3.02.03
642 * @codeCoverageIgnore
643 */
644 public static function enqueue_jquery_css() {
645 FrmDeprecated::enqueue_jquery_css();
646 }
647
648 /**
649 * @deprecated 3.02.03
650 * @codeCoverageIgnore
651 */
652 public static function get_form_for_page() {
653 return FrmDeprecated::get_form_for_page();
654 }
655
656 /**
657 * @since 4.0
658 * @deprecated 6.0 The style menu is no longer used in the styler.
659 *
660 * @param string $active
661 * @return string
662 */
663 public static function get_style_menu( $active = '' ) {
664 _deprecated_function( __METHOD__, '6.0' );
665 return '';
666 }
667
668 /**
669 * @deprecated 6.0 The style menu is no longer used in the styler.
670 *
671 * @param string $active
672 * @return void
673 */
674 public static function style_menu( $active = '' ) {
675 _deprecated_function( __METHOD__, '6.0' );
676 }
677
678 /**
679 * Either get the heading or the style switcher.
680 *
681 * @since 4.0
682 * @deprecated 6.0 The style switcher was replaced with a form switcher and is no longer used.
683 *
684 * @param array $atts
685 * @return void
686 */
687 public static function styler_switcher( $atts ) {
688 _deprecated_function( __METHOD__, '6.0' );
689 }
690
691 /**
692 * @since 4.0
693 * @deprecated 6.0 The styler now uses the Embed/Preview/Update header. It uses the same save button as other pages with Form tabs.
694 *
695 * @param array $atts
696 * @return void
697 */
698 public static function styler_save_button( $atts ) {
699 _deprecated_function( __METHOD__, '6.0' );
700 }
701 }
702