| 1 |
<?php |
| 2 |
if ( ! defined( 'ABSPATH' ) ) { |
| 3 |
die( 'You are not allowed to call this page directly.' ); |
| 4 |
} |
| 5 |
|
| 6 |
class FrmStylesHelper { |
| 7 |
|
| 8 |
/** |
| 9 |
* @return array |
| 10 |
*/ |
| 11 |
public static function get_upload_base() { |
| 12 |
$uploads = wp_upload_dir(); |
| 13 |
|
| 14 |
if ( is_ssl() && ! preg_match( '/^https:\/\/.*\..*$/', $uploads['baseurl'] ) ) { |
| 15 |
$uploads['baseurl'] = str_replace( 'http://', 'https://', $uploads['baseurl'] ); |
| 16 |
} |
| 17 |
|
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return $uploads; |
| 19 |
} |
| 20 |
|
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/** |
| 22 |
* Called from the admin header. |
| 23 |
* |
| 24 |
* @since 4.0 |
| 25 |
* |
| 26 |
* @return void |
| 27 |
*/ |
| 28 |
public static function save_button() { |
| 29 |
// phpcs:disable Generic.WhiteSpace.ScopeIndent |
| 30 |
?> |
| 31 |
<input type="submit" name="submit" class="button button-primary frm-button-primary" value="<?php esc_attr_e( 'Update', 'formidable' ); ?>" /> |
| 32 |
<?php |
| 33 |
// phpcs:enable Generic.WhiteSpace.ScopeIndent |
| 34 |
} |
| 35 |
|
| 36 |
/** |
| 37 |
* @since 2.05 |
| 38 |
* |
| 39 |
* @return array |
| 40 |
*/ |
| 41 |
public static function get_css_label_positions() { |
| 42 |
return array( |
| 43 |
'none' => __( 'top', 'formidable' ), |
| 44 |
'left' => __( 'left', 'formidable' ), |
| 45 |
'right' => __( 'right', 'formidable' ), |
| 46 |
'no_label' => __( 'none', 'formidable' ), |
| 47 |
'inside' => __( 'inside', 'formidable' ), |
| 48 |
); |
| 49 |
} |
| 50 |
|
| 51 |
/** |
| 52 |
* @since 6.11 Added $field param. |
| 53 |
* |
| 54 |
* @param array|object $field |
| 55 |
* |
| 56 |
* @return array |
| 57 |
*/ |
| 58 |
public static function get_single_label_positions( $field = array() ) { |
| 59 |
$label_positions = array( |
| 60 |
'top' => __( 'Top', 'formidable' ), |
| 61 |
'left' => __( 'Left', 'formidable' ), |
| 62 |
'right' => __( 'Right', 'formidable' ), |
| 63 |
'inline' => __( 'Inline (left without a set width)', 'formidable' ), |
| 64 |
'none' => __( 'None', 'formidable' ), |
| 65 |
'hidden' => __( 'Hidden (but leave the space)', 'formidable' ), |
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'inside' => __( 'Placeholder inside the field', 'formidable' ), |
| 67 |
); |
| 68 |
|
| 69 |
/** |
| 70 |
* Allows updating label positions in field settings. |
| 71 |
* |
| 72 |
* @since 6.11 |
| 73 |
* |
| 74 |
* @param array $label_positions |
| 75 |
* @param array|object $field |
| 76 |
*/ |
| 77 |
return apply_filters( 'frm_single_label_positions', $label_positions, $field ); |
| 78 |
} |
| 79 |
|
| 80 |
/** |
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* @return array |
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*/ |
| 83 |
public static function minus_icons() { |
| 84 |
return array( |
| 85 |
0 => array( |
| 86 |
'-' => '62e', |
| 87 |
'+' => '62f', |
| 88 |
), |
| 89 |
1 => array( |
| 90 |
'-' => '600', |
| 91 |
'+' => '602', |
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), |
| 93 |
2 => array( |
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'-' => '604', |
| 95 |
'+' => '603', |
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), |
| 97 |
3 => array( |
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'-' => '633', |
| 99 |
'+' => '632', |
| 100 |
), |
| 101 |
4 => array( |
| 102 |
'-' => '613', |
| 103 |
'+' => '60f', |
| 104 |
), |
| 105 |
); |
| 106 |
} |
| 107 |
|
| 108 |
/** |
| 109 |
* @return array |
| 110 |
*/ |
| 111 |
public static function arrow_icons() { |
| 112 |
$minus_icons = self::minus_icons(); |
| 113 |
|
| 114 |
return array( |
| 115 |
6 => array( |
| 116 |
'-' => '62d', |
| 117 |
'+' => '62a', |
| 118 |
), |
| 119 |
0 => array( |
| 120 |
'-' => '60d', |
| 121 |
'+' => '609', |
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), |
| 123 |
1 => array( |
| 124 |
'-' => '60e', |
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'+' => '60c', |
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), |
| 127 |
2 => array( |
| 128 |
'-' => '630', |
| 129 |
'+' => '631', |
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), |
| 131 |
3 => array( |
| 132 |
'-' => '62b', |
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'+' => '628', |
| 134 |
), |
| 135 |
4 => array( |
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'-' => '62c', |
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'+' => '629', |
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), |
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5 => array( |
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'-' => '635', |
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'+' => '634', |
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), |
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'p0' => $minus_icons[0], |
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'p1' => $minus_icons[1], |
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'p2' => $minus_icons[2], |
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'p3' => $minus_icons[3], |
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'p4' => $minus_icons[4], |
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); |
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} |
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|
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/** |
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* @since 2.0 |
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* |
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* @param int|string $key Icon key. |
| 155 |
* @param string $icon Icon state, `+` or `-`. |
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* @param string $type Icon type, such as `arrow`. |
| 157 |
* |
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* @return string The class for this icon. |
| 159 |
*/ |
| 160 |
public static function icon_key_to_class( $key, $icon = '+', $type = 'arrow' ) { |
| 161 |
if ( 'arrow' === $type && is_numeric( $key ) ) { |
| 162 |
// frm_arrowup6_icon. |
| 163 |
$arrow = array( |
| 164 |
'-' => 'down', |
| 165 |
'+' => 'up', |
| 166 |
); |
| 167 |
$class = 'frm_arrow' . $arrow[ $icon ]; |
| 168 |
} else { |
| 169 |
// frm_minus1_icon. |
| 170 |
$key = str_replace( 'p', '', $key ); |
| 171 |
$plus = array( |
| 172 |
'-' => 'minus', |
| 173 |
'+' => 'plus', |
| 174 |
); |
| 175 |
$class = 'frm_' . $plus[ $icon ]; |
| 176 |
} |
| 177 |
|
| 178 |
if ( $key ) { |
| 179 |
$class .= $key; |
| 180 |
} |
| 181 |
|
| 182 |
return $class . '_icon'; |
| 183 |
} |
| 184 |
|
| 185 |
/** |
| 186 |
* @param WP_Post $style |
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* @param FrmStyle $frm_style |
| 188 |
* @param string $type |
| 189 |
* |
| 190 |
* @return void |
| 191 |
*/ |
| 192 |
public static function bs_icon_select( $style, $frm_style, $type = 'arrow' ) { |
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$function_name = $type . '_icons'; |
| 194 |
$icons = self::$function_name(); |
| 195 |
unset( $function_name ); |
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|
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$name = 'arrow' === $type ? 'collapse_icon' : 'repeat_icon'; |
| 198 |
// phpcs:disable Generic.WhiteSpace.ScopeIndent |
| 199 |
?> |
| 200 |
<div class="btn-group" id="frm_<?php echo esc_attr( $name ); ?>_select"> |
| 201 |
<button class="multiselect dropdown-toggle btn btn-default" data-toggle="dropdown" type="button"> |
| 202 |
<?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '+', $type ) ); ?> |
| 203 |
<?php FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $style->post_content[ $name ], '-', $type ) ); ?> |
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<b class="caret"></b> |
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</button> |
| 206 |
<ul class="multiselect-container frm-dropdown-menu"> |
| 207 |
<?php foreach ( $icons as $key => $icon ) { ?> |
| 208 |
<li <?php echo $style->post_content['collapse_icon'] == $key ? 'class="active"' : ''; // phpcs:ignore Universal.Operators.StrictComparisons ?>> |
| 209 |
<a href="javascript:void(0);"> |
| 210 |
<label> |
| 211 |
<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 ); ?> /><?php // phpcs:ignore SlevomatCodingStandard.Files.LineLength.LineTooLong ?> |
| 212 |
<span> |
| 213 |
<?php |
| 214 |
FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '+', $type ) ); |
| 215 |
FrmAppHelper::icon_by_class( 'frmfont ' . self::icon_key_to_class( $key, '-', $type ) ); |
| 216 |
?> |
| 217 |
</span> |
| 218 |
</label> |
| 219 |
</a> |
| 220 |
</li> |
| 221 |
<?php } ?> |
| 222 |
</ul> |
| 223 |
</div> |
| 224 |
<?php |
| 225 |
// phpcs:enable Generic.WhiteSpace.ScopeIndent |
| 226 |
} |
| 227 |
|
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/** |
| 229 |
* Convert a color setting to a RGB CSV (without the rgb()/rgba() wrapper). |
| 230 |
* |
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* @since 2.0 |
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* |
| 233 |
* @param string $color Color setting value. This could be hex or rgb. |
| 234 |
* |
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* @return string RGB value without the rgb() wrapper. |
| 236 |
*/ |
| 237 |
public static function hex2rgb( $color ) { |
| 238 |
$rgb = str_starts_with( $color, 'rgb' ) ? self::get_rgb_array_from_rgb( $color ) : self::get_rgb_array_from_hex( $color ); |
| 239 |
return implode( ',', $rgb ); |
| 240 |
} |
| 241 |
|
| 242 |
/** |
| 243 |
* Remove the rgb()/rgba() wrapper from a RGB color and return its R, G and B values as an array. |
| 244 |
* |
| 245 |
* @since 6.8.3 |
| 246 |
* |
| 247 |
* @param string $rgb RGB value including the rgb() or rgba() wrapper. |
| 248 |
* |
| 249 |
* @return array<string> including three numeric values for R, G, and B. |
| 250 |
*/ |
| 251 |
private static function get_rgb_array_from_rgb( $rgb ) { |
| 252 |
$rgb = str_replace( array( 'rgb(', 'rgba(', ')' ), '', $rgb ); |
| 253 |
$rgb = explode( ',', $rgb ); |
| 254 |
|
| 255 |
if ( 4 === count( $rgb ) ) { |
| 256 |
// Drop the alpha. The function is expected to only return r,g,b with no alpha. |
| 257 |
array_pop( $rgb ); |
| 258 |
} |
| 259 |
|
| 260 |
return $rgb; |
| 261 |
} |
| 262 |
|
| 263 |
/** |
| 264 |
* Get the R, G, and B array values from a Hex color code. |
| 265 |
* |
| 266 |
* @since 6.8.3 |
| 267 |
* |
| 268 |
* @param string $hex A hex color string. |
| 269 |
* |
| 270 |
* @return array<string> Including three numeric values for R, G, and B. |
| 271 |
*/ |
| 272 |
private static function get_rgb_array_from_hex( $hex ) { |
| 273 |
$hex = str_replace( '#', '', $hex ); |
| 274 |
list( $r, $g, $b ) = sscanf( $hex, '%02x%02x%02x' ); |
| 275 |
return array( $r, $g, $b ); |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* @since 4.0 |
| 280 |
* |
| 281 |
* @param string $hex Hex color string. |
| 282 |
* @param float|int|string $a Alpha channel value. |
| 283 |
* |
| 284 |
* @return string |
| 285 |
*/ |
| 286 |
public static function hex2rgba( $hex, $a ) { |
| 287 |
$rgb = self::hex2rgb( $hex ); |
| 288 |
return 'rgba(' . $rgb . ',' . $a . ')'; |
| 289 |
} |
| 290 |
|
| 291 |
/** |
| 292 |
* @since 6.0 |
| 293 |
* |
| 294 |
* @param string $rgba Color setting value. This could be hex or rgb. |
| 295 |
* |
| 296 |
* @return string Hex color value. |
| 297 |
*/ |
| 298 |
private static function rgb_to_hex( $rgba ) { |
| 299 |
if ( str_starts_with( $rgba, '#' ) ) { |
| 300 |
// Color is already hex. |
| 301 |
return $rgba; |
| 302 |
} |
| 303 |
preg_match( '/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i', $rgba, $by_color ); |
| 304 |
return sprintf( '%02x%02x%02x', $by_color[1], $by_color[2], $by_color[3] ); |
| 305 |
} |
| 306 |
|
| 307 |
/** |
| 308 |
* @since 6.8 |
| 309 |
* |
| 310 |
* @param string $hsl |
| 311 |
* |
| 312 |
* @return string|null Null if it fails to parse the HSL string. |
| 313 |
*/ |
| 314 |
private static function hsl_to_hex( $hsl ) { |
| 315 |
// Convert hsla to hsl. |
| 316 |
$hsl = preg_replace( '/hsla\((\d+),\s*([\d.]+)%,\s*([\d.]+)%,\s*([\d.]+)\)/', 'hsl($1, $2%, $3%)', $hsl ); |
| 317 |
|
| 318 |
// Extract HSL components from the color string. |
| 319 |
preg_match( '/hsl\((\d+),\s*(\d+)%,\s*(\d+)%\)/', $hsl, $matches ); |
| 320 |
|
| 321 |
if ( count( $matches ) !== 4 ) { |
| 322 |
// Invalid HSL string format. |
| 323 |
return null; |
| 324 |
} |
| 325 |
|
| 326 |
// Extract HSL values. |
| 327 |
$h = (int) $matches[1]; |
| 328 |
$s = (int) $matches[2] / 100; |
| 329 |
$l = (int) $matches[3] / 100; |
| 330 |
|
| 331 |
// Calculate RGB values. |
| 332 |
$c = ( 1 - abs( 2 * $l - 1 ) ) * $s; |
| 333 |
$x = $c * ( 1 - abs( ( (int) ( $h / 60 ) % 2 ) - 1 ) ); |
| 334 |
$m = $l - $c / 2; |
| 335 |
$r = 0; |
| 336 |
$g = 0; |
| 337 |
$b = 0; |
| 338 |
|
| 339 |
if ( $h >= 0 && $h < 60 ) { |
| 340 |
$r = $c; |
| 341 |
$g = $x; |
| 342 |
} elseif ( $h >= 60 && $h < 120 ) { |
| 343 |
$r = $x; |
| 344 |
$g = $c; |
| 345 |
} elseif ( $h >= 120 && $h < 180 ) { |
| 346 |
$g = $c; |
| 347 |
$b = $x; |
| 348 |
} elseif ( $h >= 180 && $h < 240 ) { |
| 349 |
$g = $x; |
| 350 |
$b = $c; |
| 351 |
} elseif ( $h >= 240 && $h < 300 ) { |
| 352 |
$r = $x; |
| 353 |
$b = $c; |
| 354 |
} elseif ( $h >= 300 && $h < 360 ) { |
| 355 |
$r = $c; |
| 356 |
$b = $x; |
| 357 |
}//end if |
| 358 |
|
| 359 |
// Convert RGB to 8-bit values |
| 360 |
$r = round( ( $r + $m ) * 255 ); |
| 361 |
$g = round( ( $g + $m ) * 255 ); |
| 362 |
$b = round( ( $b + $m ) * 255 ); |
| 363 |
|
| 364 |
// Convert RGB to hex |
| 365 |
return sprintf( '%02x%02x%02x', $r, $g, $b ); |
| 366 |
} |
| 367 |
|
| 368 |
/** |
| 369 |
* @since 2.3 |
| 370 |
* |
| 371 |
* @param string $hex string The original color in hex format #ffffff. |
| 372 |
* @param int $steps integer Should be between -255 and 255. Negative = darker, positive = lighter. |
| 373 |
* |
| 374 |
* @return string |
| 375 |
*/ |
| 376 |
public static function adjust_brightness( $hex, $steps ) { |
| 377 |
$steps = max( - 255, min( 255, $steps ) ); |
| 378 |
|
| 379 |
if ( str_starts_with( $hex, 'rgba(' ) ) { |
| 380 |
$rgba = str_replace( ')', '', str_replace( 'rgba(', '', $hex ) ); |
| 381 |
list ( $r, $g, $b, $a ) = array_map( 'trim', explode( ',', $rgba ) ); |
| 382 |
$r = max( 0, min( 255, $r + $steps ) ); |
| 383 |
$g = max( 0, min( 255, $g + $steps ) ); |
| 384 |
$b = max( 0, min( 255, $b + $steps ) ); |
| 385 |
return 'rgba(' . $r . ',' . $g . ',' . $b . ',' . $a . ')'; |
| 386 |
} |
| 387 |
|
| 388 |
// Normalize into a six character long hex string |
| 389 |
$hex = str_replace( '#', '', $hex ); |
| 390 |
self::fill_hex( $hex ); |
| 391 |
|
| 392 |
// Split into three parts: R, G and B |
| 393 |
$color_parts = str_split( $hex, 2 ); |
| 394 |
$return = '#'; |
| 395 |
|
| 396 |
foreach ( $color_parts as $color ) { |
| 397 |
// Convert to decimal. |
| 398 |
$color = hexdec( $color ); |
| 399 |
// Adjust color. |
| 400 |
$color = max( 0, min( 255, $color + $steps ) ); |
| 401 |
|
| 402 |
// Make two char hex code. |
| 403 |
$return .= str_pad( dechex( $color ), 2, '0', STR_PAD_LEFT ); |
| 404 |
} |
| 405 |
|
| 406 |
return $return; |
| 407 |
} |
| 408 |
|
| 409 |
/** |
| 410 |
* @since 6.0 |
| 411 |
* |
| 412 |
* @param string $color |
| 413 |
* |
| 414 |
* @return int |
| 415 |
*/ |
| 416 |
public static function get_color_brightness( $color ) { |
| 417 |
if ( str_starts_with( $color, 'rgb' ) ) { |
| 418 |
$color = self::rgb_to_hex( $color ); |
| 419 |
} |
| 420 |
|
| 421 |
if ( str_starts_with( $color, 'hsl' ) ) { |
| 422 |
$hsl_to_hex = self::hsl_to_hex( $color ); |
| 423 |
|
| 424 |
if ( is_null( $hsl_to_hex ) ) { |
| 425 |
// Fallback if we cannot convert the HSL value. |
| 426 |
return 0; |
| 427 |
} |
| 428 |
|
| 429 |
$color = $hsl_to_hex; |
| 430 |
} |
| 431 |
|
| 432 |
self::fill_hex( $color ); |
| 433 |
|
| 434 |
$c_r = hexdec( substr( $color, 0, 2 ) ); |
| 435 |
$c_g = hexdec( substr( $color, 2, 2 ) ); |
| 436 |
$c_b = hexdec( substr( $color, 4, 2 ) ); |
| 437 |
|
| 438 |
return ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000; |
| 439 |
} |
| 440 |
|
| 441 |
/** |
| 442 |
* Change a 3 character hex color to a 6 character one. |
| 443 |
* |
| 444 |
* @since 6.0 |
| 445 |
* |
| 446 |
* @param string $color Color value, passed by reference. |
| 447 |
* |
| 448 |
* @return void |
| 449 |
*/ |
| 450 |
private static function fill_hex( &$color ) { |
| 451 |
if ( 3 === strlen( $color ) ) { |
| 452 |
$color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2]; |
| 453 |
} |
| 454 |
} |
| 455 |
|
| 456 |
/** |
| 457 |
* @since 4.05.02 |
| 458 |
* |
| 459 |
* @param array $vars CSS variable keys. |
| 460 |
* |
| 461 |
* @return array |
| 462 |
*/ |
| 463 |
public static function get_css_vars( $vars = array() ) { |
| 464 |
$vars = apply_filters( 'frm_css_vars', $vars ); |
| 465 |
return array_unique( $vars ); |
| 466 |
} |
| 467 |
|
| 468 |
/** |
| 469 |
* @since 4.05.02 |
| 470 |
* |
| 471 |
* @param array $settings Style settings. |
| 472 |
* @param array $defaults Default style settings. |
| 473 |
* @param array $vars CSS variable keys to output. |
| 474 |
* |
| 475 |
* @return void |
| 476 |
*/ |
| 477 |
public static function output_vars( $settings, $defaults = array(), $vars = array() ) { |
| 478 |
if ( ! $vars ) { |
| 479 |
$vars = self::get_css_vars( array_keys( $settings ) ); |
| 480 |
} |
| 481 |
|
| 482 |
$vars = array_diff( $vars, self::get_style_keys_to_remove_from_output_vars() ); |
| 483 |
|
| 484 |
foreach ( $vars as $var ) { |
| 485 |
if ( ! isset( $settings[ $var ] ) || ! self::css_key_is_valid( $var ) ) { |
| 486 |
continue; |
| 487 |
} |
| 488 |
|
| 489 |
if ( ! isset( $defaults[ $var ] ) ) { |
| 490 |
$defaults[ $var ] = ''; |
| 491 |
} |
| 492 |
|
| 493 |
$prepared_value = ''; |
| 494 |
|
| 495 |
if ( self::should_add_css_var( $settings, $defaults, $var, $prepared_value ) ) { |
| 496 |
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 497 |
echo '--' . esc_html( self::clean_var_name( str_replace( '_', '-', $var ) ) ) . ':' . $prepared_value . ';'; |
| 498 |
} |
| 499 |
} |
| 500 |
} |
| 501 |
|
| 502 |
/** |
| 503 |
* None of these style settings are used as CSS variables, so we want to exclude them to keep the CSS output clean. |
| 504 |
* |
| 505 |
* @since 6.26.1 |
| 506 |
* |
| 507 |
* @return array<string> |
| 508 |
*/ |
| 509 |
private static function get_style_keys_to_remove_from_output_vars() { |
| 510 |
return array( |
| 511 |
'remove_box_shadow', |
| 512 |
'remove_box_shadow_active', |
| 513 |
'theme_css', |
| 514 |
'theme_name', |
| 515 |
'theme_selector', |
| 516 |
'important_style', |
| 517 |
'submit_style', |
| 518 |
'collapse_icon', |
| 519 |
'center_form', |
| 520 |
'custom_css', |
| 521 |
'style_class', |
| 522 |
'submit_bg_img', |
| 523 |
'change_margin', |
| 524 |
'repeat_icon', |
| 525 |
'use_base_font_size', |
| 526 |
'field_shape_type', |
| 527 |
'bg_image_id', |
| 528 |
'single_style_custom_css', |
| 529 |
'enable_style_custom_css', |
| 530 |
); |
| 531 |
} |
| 532 |
|
| 533 |
/** |
| 534 |
* Check if a CSS variable setting is not blank, doesn't match the default, and doesn't include invalid substrings. |
| 535 |
* |
| 536 |
* @since 6.24 |
| 537 |
* |
| 538 |
* @param array $settings Array of setting values. |
| 539 |
* @param array $defaults Array of default values. |
| 540 |
* @param string $var The setting key name. |
| 541 |
* @param string $prepared_value The value from calling css_var_prepare_value. This is set by reference so it can be used after this function is called. |
| 542 |
* |
| 543 |
* @return bool True if the CSS value should be printed. |
| 544 |
*/ |
| 545 |
private static function should_add_css_var( $settings, $defaults, $var, &$prepared_value ) { |
| 546 |
$prepared_value = self::css_var_prepare_value( $settings, $var ); |
| 547 |
|
| 548 |
if ( $prepared_value === '' ) { |
| 549 |
return false; |
| 550 |
} |
| 551 |
|
| 552 |
if ( $defaults && $defaults[ $var ] === $prepared_value ) { |
| 553 |
return false; |
| 554 |
} |
| 555 |
|
| 556 |
return self::css_value_is_valid( $prepared_value ); |
| 557 |
} |
| 558 |
|
| 559 |
/** |
| 560 |
* Prevent invalid CSS keys from getting added to the generated CSS. |
| 561 |
* |
| 562 |
* @since 6.20 |
| 563 |
* |
| 564 |
* @param string $key |
| 565 |
* |
| 566 |
* @return bool |
| 567 |
*/ |
| 568 |
private static function css_key_is_valid( $key ) { |
| 569 |
// Any key that is abnormally large is not valid. |
| 570 |
// Any key that contains a '{' is not valid. |
| 571 |
return strlen( $key ) < 100 && ! str_contains( $key, '{' ); |
| 572 |
} |
| 573 |
|
| 574 |
/** |
| 575 |
* Confirm a CSS value is valid. |
| 576 |
* If it appears to contain JavaScript, it will not be added. |
| 577 |
* |
| 578 |
* @since 6.20 |
| 579 |
* |
| 580 |
* @param string $var |
| 581 |
* |
| 582 |
* @return bool |
| 583 |
*/ |
| 584 |
private static function css_value_is_valid( $var ) { |
| 585 |
if ( is_numeric( $var ) ) { |
| 586 |
return true; |
| 587 |
} |
| 588 |
|
| 589 |
// None of these substrings should be present in any CSS value. |
| 590 |
$invalid_substrings = array( |
| 591 |
'function(', |
| 592 |
';userAgent', |
| 593 |
';stopPropagation', |
| 594 |
'{const', |
| 595 |
'window[', |
| 596 |
'navigator[', |
| 597 |
'Array;', |
| 598 |
); |
| 599 |
|
| 600 |
foreach ( $invalid_substrings as $substring ) { |
| 601 |
if ( str_contains( $var, $substring ) ) { |
| 602 |
return false; |
| 603 |
} |
| 604 |
} |
| 605 |
|
| 606 |
return true; |
| 607 |
} |
| 608 |
|
| 609 |
/** |
| 610 |
* Remove anything that isn't used as a CSS variable name. |
| 611 |
* |
| 612 |
* @param string $var_name |
| 613 |
* |
| 614 |
* @return string |
| 615 |
*/ |
| 616 |
private static function clean_var_name( $var_name ) { |
| 617 |
return preg_replace( '/[^a-zA-Z0-9_-]/', '', $var_name ); |
| 618 |
} |
| 619 |
|
| 620 |
/** |
| 621 |
* Prepare the value for a CSS variable. |
| 622 |
* |
| 623 |
* @since 6.14 |
| 624 |
* |
| 625 |
* @param array $settings An array of css style. |
| 626 |
* @param string $key |
| 627 |
* |
| 628 |
* @return string |
| 629 |
*/ |
| 630 |
private static function css_var_prepare_value( $settings, $key ) { |
| 631 |
$value = $settings[ $key ]; |
| 632 |
|
| 633 |
if ( ! is_string( $value ) && ! is_numeric( $value ) ) { |
| 634 |
return ''; |
| 635 |
} |
| 636 |
|
| 637 |
switch ( $key ) { |
| 638 |
case 'font': |
| 639 |
return safecss_filter_attr( $value ); |
| 640 |
|
| 641 |
case 'border_width_error': |
| 642 |
case 'field_border_width': |
| 643 |
if ( ! empty( $settings['field_shape_type'] ) && 'underline' === $settings['field_shape_type'] ) { |
| 644 |
return safecss_filter_attr( '0px 0px ' . $value . ' 0px' ); |
| 645 |
} |
| 646 |
break; |
| 647 |
|
| 648 |
case 'box_shadow': |
| 649 |
if ( ! empty( $settings['field_shape_type'] ) && 'underline' === $settings['field_shape_type'] ) { |
| 650 |
return safecss_filter_attr( 'none' ); |
| 651 |
} |
| 652 |
break; |
| 653 |
|
| 654 |
case 'border_radius': |
| 655 |
if ( ! empty( $settings['field_shape_type'] ) ) { |
| 656 |
switch ( $settings['field_shape_type'] ) { |
| 657 |
case 'underline': |
| 658 |
case 'regular': |
| 659 |
return safecss_filter_attr( '0px' ); |
| 660 |
case 'circle': |
| 661 |
return safecss_filter_attr( '30px' ); |
| 662 |
} |
| 663 |
} |
| 664 |
break; |
| 665 |
}//end switch |
| 666 |
|
| 667 |
return esc_html( $value ); |
| 668 |
} |
| 669 |
|
| 670 |
/** |
| 671 |
* @since 2.3 |
| 672 |
* |
| 673 |
* @param WP_Post $style |
| 674 |
* |
| 675 |
* @return array |
| 676 |
*/ |
| 677 |
public static function get_settings_for_output( $style ) { |
| 678 |
if ( self::previewing_style() ) { |
| 679 |
$frm_style = new FrmStyle(); |
| 680 |
|
| 681 |
if ( isset( $_POST['frm_style_setting'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing |
| 682 |
|
| 683 |
// Sanitizing is done later. |
| 684 |
//phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Missing |
| 685 |
$posted = wp_unslash( $_POST['frm_style_setting'] ); |
| 686 |
|
| 687 |
if ( is_array( $posted ) ) { |
| 688 |
$settings = $frm_style->sanitize_post_content( $posted['post_content'] ); |
| 689 |
$style_name = FrmAppHelper::get_post_param( 'style_name', '', 'sanitize_title' ); |
| 690 |
} else { |
| 691 |
$posted = json_decode( $posted, true ); |
| 692 |
FrmAppHelper::format_form_data( $posted ); |
| 693 |
$settings = $frm_style->sanitize_post_content( $posted['frm_style_setting']['post_content'] ); |
| 694 |
$style_name = sanitize_title( $posted['style_name'] ); |
| 695 |
} |
| 696 |
} else { |
| 697 |
$settings = $frm_style->sanitize_post_content( wp_unslash( $_GET ) ); |
| 698 |
$style_name = FrmAppHelper::get_param( 'style_name', '', 'get', 'sanitize_title' ); |
| 699 |
} |
| 700 |
|
| 701 |
$settings = self::update_base_font_size( $settings, $frm_style->get_defaults() ); |
| 702 |
|
| 703 |
FrmAppHelper::sanitize_value( 'sanitize_text_field', $settings ); |
| 704 |
|
| 705 |
$settings['style_class'] = ''; |
| 706 |
|
| 707 |
if ( ! empty( $style_name ) ) { |
| 708 |
$settings['style_class'] = $style_name . '.'; |
| 709 |
} |
| 710 |
} else { |
| 711 |
$settings = $style->post_content; |
| 712 |
$settings['style_class'] = 'frm_style_' . $style->post_name . '.'; |
| 713 |
}//end if |
| 714 |
|
| 715 |
$settings['style_class'] .= 'with_frm_style'; |
| 716 |
$settings['font'] = stripslashes( $settings['font'] ); |
| 717 |
$settings['change_margin'] = self::description_margin_for_screensize( $settings['width'] ); |
| 718 |
|
| 719 |
$checkbox_opts = array( 'important_style', 'auto_width', 'submit_style', 'collapse_icon', 'center_form' ); |
| 720 |
|
| 721 |
foreach ( $checkbox_opts as $opt ) { |
| 722 |
if ( ! isset( $settings[ $opt ] ) ) { |
| 723 |
$settings[ $opt ] = 0; |
| 724 |
} |
| 725 |
} |
| 726 |
|
| 727 |
self::prepare_color_output( $settings ); |
| 728 |
|
| 729 |
$settings['field_height'] = $settings['field_height'] === '' ? 'auto' : $settings['field_height']; |
| 730 |
$settings['field_width'] = $settings['field_width'] === '' ? 'auto' : $settings['field_width']; |
| 731 |
$settings['auto_width'] = $settings['auto_width'] ? 'auto' : $settings['field_width']; |
| 732 |
$settings['box_shadow'] = ! empty( $settings['remove_box_shadow'] ) ? 'none' : '0 1px 2px 0 rgba(18, 18, 23, 0.05)'; |
| 733 |
|
| 734 |
if ( ! isset( $settings['repeat_icon'] ) ) { |
| 735 |
$settings['repeat_icon'] = 1; |
| 736 |
} |
| 737 |
|
| 738 |
return $settings; |
| 739 |
} |
| 740 |
|
| 741 |
/** |
| 742 |
* Update the "Base Font Size" value from "Quick Settings across multiple settings values". |
| 743 |
* |
| 744 |
* @since 6.14 |
| 745 |
* |
| 746 |
* @param array $settings An array of css style. |
| 747 |
* @param array $defaults Default style settings. |
| 748 |
* |
| 749 |
* @return array |
| 750 |
*/ |
| 751 |
public static function update_base_font_size( $settings, $defaults ) { |
| 752 |
if ( empty( $settings['base_font_size'] ) || empty( $settings['use_base_font_size'] ) || 'false' === $settings['use_base_font_size'] ) { |
| 753 |
return $settings; |
| 754 |
} |
| 755 |
|
| 756 |
$base_font_size = (int) $settings['base_font_size']; |
| 757 |
$font_size = $defaults['font_size']; |
| 758 |
$font_sizes_to_update = array( |
| 759 |
'font_size', |
| 760 |
'field_font_size', |
| 761 |
'check_font_size', |
| 762 |
'title_size', |
| 763 |
'form_desc_size', |
| 764 |
'description_font_size', |
| 765 |
'section_font_size', |
| 766 |
'submit_font_size', |
| 767 |
'success_font_size', |
| 768 |
'error_font_size', |
| 769 |
'progress_size', |
| 770 |
); |
| 771 |
|
| 772 |
array_map( |
| 773 |
function ( $key ) use ( $defaults, $font_size, $base_font_size, &$settings ) { |
| 774 |
if ( isset( $settings[ $key ] ) ) { |
| 775 |
$settings[ $key ] = round( self::get_base_font_size_scale( $key, $font_size, $defaults ) * $base_font_size ) . 'px'; |
| 776 |
} |
| 777 |
}, |
| 778 |
$font_sizes_to_update |
| 779 |
); |
| 780 |
|
| 781 |
return $settings; |
| 782 |
} |
| 783 |
|
| 784 |
/** |
| 785 |
* Get style font size scale value. |
| 786 |
* |
| 787 |
* @since 6.14 |
| 788 |
* |
| 789 |
* @param string $key Setting key. |
| 790 |
* @param int|string $value Base font size value. |
| 791 |
* @param array $defaults Default style settings. |
| 792 |
* |
| 793 |
* @return float |
| 794 |
*/ |
| 795 |
private static function get_base_font_size_scale( $key, $value, $defaults ) { |
| 796 |
if ( empty( $defaults[ $key ] ) || ! is_numeric( (int) $defaults[ $key ] ) || ! is_numeric( (int) $value ) || 0 === (int) $value ) { |
| 797 |
return 1; |
| 798 |
} |
| 799 |
|
| 800 |
return round( (int) $defaults[ $key ] / (int) $value, 2 ); |
| 801 |
} |
| 802 |
|
| 803 |
/** |
| 804 |
* @since 2.3 |
| 805 |
* |
| 806 |
* @param array $settings Style settings, passed by reference. |
| 807 |
* @param bool $allow_transparent Whether transparent colors are allowed. |
| 808 |
* |
| 809 |
* @return void |
| 810 |
*/ |
| 811 |
public static function prepare_color_output( &$settings, $allow_transparent = true ) { |
| 812 |
$colors = self::allow_color_override(); |
| 813 |
|
| 814 |
foreach ( $colors as $css => $opts ) { |
| 815 |
if ( $css === 'transparent' && ! $allow_transparent ) { |
| 816 |
$css = ''; |
| 817 |
} |
| 818 |
|
| 819 |
foreach ( $opts as $opt ) { |
| 820 |
self::get_color_output( $css, $settings[ $opt ] ); |
| 821 |
} |
| 822 |
} |
| 823 |
} |
| 824 |
|
| 825 |
/** |
| 826 |
* @since 2.3 |
| 827 |
* |
| 828 |
* @return array |
| 829 |
*/ |
| 830 |
private static function allow_color_override() { |
| 831 |
$frm_style = new FrmStyle(); |
| 832 |
$colors = $frm_style->get_color_settings(); |
| 833 |
|
| 834 |
$transparent = array( |
| 835 |
'fieldset_color', |
| 836 |
'fieldset_bg_color', |
| 837 |
'bg_color', |
| 838 |
'bg_color_active', |
| 839 |
'bg_color_disabled', |
| 840 |
'section_bg_color', |
| 841 |
'error_bg', |
| 842 |
'success_bg_color', |
| 843 |
'progress_bg_color', |
| 844 |
'progress_active_bg_color', |
| 845 |
'submit_border_color', |
| 846 |
'submit_hover_border_color', |
| 847 |
'submit_active_border_color', |
| 848 |
'submit_hover_bg_color', |
| 849 |
'submit_active_bg_color', |
| 850 |
); |
| 851 |
|
| 852 |
return array( |
| 853 |
'transparent' => $transparent, |
| 854 |
'' => array_diff( $colors, $transparent ), |
| 855 |
); |
| 856 |
} |
| 857 |
|
| 858 |
/** |
| 859 |
* @since 2.3 |
| 860 |
* |
| 861 |
* @param string $default Default color value. |
| 862 |
* @param string $color Color value, passed by reference. |
| 863 |
* |
| 864 |
* @return void |
| 865 |
*/ |
| 866 |
private static function get_color_output( $default, &$color ) { |
| 867 |
$color = trim( $color ); |
| 868 |
|
| 869 |
if ( ! $color ) { |
| 870 |
$color = $default; |
| 871 |
} elseif ( ! str_contains( $color, '#' ) && self::is_hex( $color ) ) { |
| 872 |
$color = '#' . $color; |
| 873 |
} |
| 874 |
} |
| 875 |
|
| 876 |
/** |
| 877 |
* If a color looks like a hex code without the #, prepend the #. |
| 878 |
* A color looks like a hex code if it does not contain the substrings "rgb", "rgba", "hsl", "hsla", or "hwb". |
| 879 |
* |
| 880 |
* @since 6.8 |
| 881 |
* |
| 882 |
* @param string $color |
| 883 |
* |
| 884 |
* @return bool |
| 885 |
*/ |
| 886 |
private static function is_hex( $color ) { |
| 887 |
$non_hex_substrings = array( |
| 888 |
'rgb(', |
| 889 |
'rgba(', |
| 890 |
'hsl(', |
| 891 |
'hsla(', |
| 892 |
'hwb(', |
| 893 |
); |
| 894 |
|
| 895 |
foreach ( $non_hex_substrings as $substring ) { |
| 896 |
if ( str_contains( $color, $substring ) ) { |
| 897 |
return false; |
| 898 |
} |
| 899 |
} |
| 900 |
|
| 901 |
return true; |
| 902 |
} |
| 903 |
|
| 904 |
/** |
| 905 |
* If left/right label is over a certain size, |
| 906 |
* adjust the field description margin at a different screen size |
| 907 |
* |
| 908 |
* @since 2.3 |
| 909 |
* |
| 910 |
* @param string $width Label width value. |
| 911 |
* |
| 912 |
* @return false|string |
| 913 |
*/ |
| 914 |
private static function description_margin_for_screensize( $width ) { |
| 915 |
$temp_label_width = str_replace( 'px', '', $width ); |
| 916 |
$change_margin = false; |
| 917 |
|
| 918 |
if ( $temp_label_width >= 230 ) { |
| 919 |
$change_margin = '800px'; |
| 920 |
} elseif ( $width >= 215 ) { |
| 921 |
$change_margin = '700px'; |
| 922 |
} elseif ( $width >= 180 ) { |
| 923 |
$change_margin = '650px'; |
| 924 |
} |
| 925 |
|
| 926 |
return $change_margin; |
| 927 |
} |
| 928 |
|
| 929 |
/** |
| 930 |
* Get the raw alignment value stored in the active style for a radio or checkbox field. |
| 931 |
* |
| 932 |
* @since 6.32 |
| 933 |
* |
| 934 |
* @param array|int $field The 'field' array. |
| 935 |
* |
| 936 |
* @return string |
| 937 |
*/ |
| 938 |
public static function get_align_from_active_style( $field ) { |
| 939 |
$field_type = FrmField::is_checkbox( $field ) ? 'checkbox' : 'radio'; |
| 940 |
$key = FrmStylesController::get_align_key_for_style_settings( $field_type ); |
| 941 |
|
| 942 |
return FrmStylesController::get_active_style( $field )->post_content[ $key ] ?? ''; |
| 943 |
} |
| 944 |
|
| 945 |
/** |
| 946 |
* @since 2.3 |
| 947 |
* |
| 948 |
* @return bool |
| 949 |
*/ |
| 950 |
public static function previewing_style() { |
| 951 |
// phpcs:ignore WordPress.Security.NonceVerification.Missing |
| 952 |
$ajax_change = isset( $_POST['action'] ) && $_POST['action'] === 'frm_change_styling' && isset( $_POST['frm_style_setting'] ); |
| 953 |
|
| 954 |
return $ajax_change || isset( $_GET['flat'] ); |
| 955 |
} |
| 956 |
|
| 957 |
/** |
| 958 |
* 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. |
| 959 |
* |
| 960 |
* @since 6.0 |
| 961 |
* |
| 962 |
* @param int|string $form_id |
| 963 |
* |
| 964 |
* @return string |
| 965 |
*/ |
| 966 |
public static function get_list_url( $form_id ) { |
| 967 |
return admin_url( 'admin.php?page=formidable-styles&form=' . absint( $form_id ) ); |
| 968 |
} |
| 969 |
|
| 970 |
/** |
| 971 |
* Get the back button args from Style settings. |
| 972 |
* |
| 973 |
* @since 6.14 |
| 974 |
* |
| 975 |
* @param stdClass|WP_Post $style |
| 976 |
* @param int $form_id |
| 977 |
* |
| 978 |
* @return array |
| 979 |
*/ |
| 980 |
public static function get_style_options_back_button_args( $style, $form_id ) { |
| 981 |
if ( self::is_advanced_settings() ) { |
| 982 |
return array( |
| 983 |
'title' => __( 'Quick Settings', 'formidable' ), |
| 984 |
'id' => 'frm_style_back_to_quick_settings', |
| 985 |
); |
| 986 |
} |
| 987 |
return array( |
| 988 |
'href' => self::get_list_url( $form_id ), |
| 989 |
'title' => $style->post_title, |
| 990 |
); |
| 991 |
} |
| 992 |
|
| 993 |
/** |
| 994 |
* Get a link to edit a target style post object in the visual styler. |
| 995 |
* |
| 996 |
* @param stdClass|WP_Post $style |
| 997 |
* @param int|string $form_id Used for the back button and preview form target. |
| 998 |
* @param string $section The url param section. |
| 999 |
* |
| 1000 |
* @return string |
| 1001 |
*/ |
| 1002 |
public static function get_edit_url( $style, $form_id = 0, $section = '' ) { |
| 1003 |
$query_args = array( |
| 1004 |
'page' => 'formidable-styles', |
| 1005 |
'frm_action' => 'edit', |
| 1006 |
'id' => $style->ID, |
| 1007 |
'section' => $section, |
| 1008 |
); |
| 1009 |
|
| 1010 |
if ( $form_id ) { |
| 1011 |
// We include &form_id for the back button to know where to point to. |
| 1012 |
$query_args['form'] = $form_id; |
| 1013 |
} |
| 1014 |
|
| 1015 |
return add_query_arg( $query_args, admin_url( 'admin.php' ) ); |
| 1016 |
} |
| 1017 |
|
| 1018 |
/** |
| 1019 |
* Get a count of the number of forms assigned to a target style ID. |
| 1020 |
* All unassigned forms are included in the count for the default style. |
| 1021 |
* |
| 1022 |
* @since 6.0 |
| 1023 |
* |
| 1024 |
* @param int|string $style_id |
| 1025 |
* @param bool $is_default |
| 1026 |
* |
| 1027 |
* @return int |
| 1028 |
*/ |
| 1029 |
public static function get_form_count_for_style( $style_id, $is_default ) { |
| 1030 |
$serialized = serialize( array( 'custom_style' => (string) $style_id ) ); |
| 1031 |
// Chop off the "a:1:{" from the front and the "}" from the back. |
| 1032 |
$substring = substr( $serialized, 5, -1 ); |
| 1033 |
$number_of_forms = FrmDb::get_count( |
| 1034 |
'frm_forms', |
| 1035 |
array( |
| 1036 |
'status' => 'published', |
| 1037 |
'options LIKE' => $substring, |
| 1038 |
) |
| 1039 |
); |
| 1040 |
|
| 1041 |
if ( ! $is_default ) { |
| 1042 |
// Exit early as the rest of the code is about including the default count. |
| 1043 |
return $number_of_forms; |
| 1044 |
} |
| 1045 |
|
| 1046 |
$conversational_style_id = FrmDb::get_var( 'posts', array( 'post_name' => 'lines-no-boxes' ), 'ID' ); |
| 1047 |
|
| 1048 |
return $number_of_forms + self::get_default_style_count( $style_id, $conversational_style_id ); |
| 1049 |
} |
| 1050 |
|
| 1051 |
/** |
| 1052 |
* Get the number of forms that use the default style. |
| 1053 |
* |
| 1054 |
* @since 6.0 |
| 1055 |
* |
| 1056 |
* @param int|string $style_id |
| 1057 |
* @param mixed $conversational_style_id |
| 1058 |
* |
| 1059 |
* @return int |
| 1060 |
*/ |
| 1061 |
private static function get_default_style_count( $style_id, $conversational_style_id ) { |
| 1062 |
$substrings = array_map( |
| 1063 |
function ( $value ) { |
| 1064 |
$substring = serialize( array( 'custom_style' => $value ) ); |
| 1065 |
return substr( $substring, 5, -1 ); |
| 1066 |
}, |
| 1067 |
array( '1', 1 ) |
| 1068 |
); |
| 1069 |
$where = array( |
| 1070 |
'status' => 'published', |
| 1071 |
0 => array( |
| 1072 |
'options NOT LIKE' => 'custom_style', |
| 1073 |
'or' => 1, |
| 1074 |
'options LIKE' => $substrings, |
| 1075 |
), |
| 1076 |
); |
| 1077 |
|
| 1078 |
if ( $conversational_style_id ) { |
| 1079 |
// When a conversational style is set, check for it in the query by wrapping the where and adding a conversational option check. |
| 1080 |
$is_conversational_style = (int) $style_id === (int) $conversational_style_id; |
| 1081 |
$where[0] = array( |
| 1082 |
// The chat option doesn't exist if it isn't on. |
| 1083 |
( $is_conversational_style ? 'options LIKE' : 'options NOT LIKE' ) => ';s:4:"chat";', |
| 1084 |
$where[0], |
| 1085 |
); |
| 1086 |
} |
| 1087 |
|
| 1088 |
return FrmDb::get_count( 'frm_forms', $where ); |
| 1089 |
} |
| 1090 |
|
| 1091 |
/** |
| 1092 |
* Check if the current page is the advanced settings page. |
| 1093 |
* |
| 1094 |
* @since 6.14 |
| 1095 |
* |
| 1096 |
* @return bool True if is advanced settings, false otherwise. |
| 1097 |
*/ |
| 1098 |
public static function is_advanced_settings() { |
| 1099 |
return FrmAppHelper::get_param( 'section' ) === 'advanced-settings' && FrmAppHelper::get_param( 'page' ) === 'formidable-styles'; |
| 1100 |
} |
| 1101 |
|
| 1102 |
/** |
| 1103 |
* Get wrapper classname for style editor sections. |
| 1104 |
* |
| 1105 |
* @since 6.16 |
| 1106 |
* |
| 1107 |
* @param string $section_type |
| 1108 |
* |
| 1109 |
* @return string The style editor wrapper classname. |
| 1110 |
*/ |
| 1111 |
public static function style_editor_get_wrapper_classname( $section_type ) { |
| 1112 |
$is_quick_settings = 'quick-settings' === $section_type; |
| 1113 |
$classname = 'frm-style-editor-form'; |
| 1114 |
$classname .= ( ! self::is_advanced_settings() xor $is_quick_settings ) ? ' frm_hidden' : ''; |
| 1115 |
|
| 1116 |
return $classname . ( FrmAppHelper::pro_is_installed() ? ' frm-pro' : '' ); |
| 1117 |
} |
| 1118 |
|
| 1119 |
/** |
| 1120 |
* Retrieve the background image URL of the submit button. |
| 1121 |
* 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). |
| 1122 |
* |
| 1123 |
* @since 6.14 |
| 1124 |
* |
| 1125 |
* @param array $settings |
| 1126 |
* |
| 1127 |
* @return false|string Return image url or false. |
| 1128 |
*/ |
| 1129 |
public static function get_submit_image_bg_url( $settings ) { |
| 1130 |
$background_image = $settings['submit_bg_img']; |
| 1131 |
|
| 1132 |
if ( ! $background_image ) { |
| 1133 |
return false; |
| 1134 |
} |
| 1135 |
|
| 1136 |
// Handle the case where the submit_bg_img is a full URL string. If the |
| 1137 |
// Settings were saved with the older styler version prior to 6.14, the |
| 1138 |
// submit_bg_img will be a full URL string. |
| 1139 |
if ( ! is_numeric( $background_image ) ) { |
| 1140 |
return $background_image; |
| 1141 |
} |
| 1142 |
|
| 1143 |
return wp_get_attachment_url( (int) $background_image ); |
| 1144 |
} |
| 1145 |
|
| 1146 |
/** |
| 1147 |
* Determines if the chosen JavaScript library should be used. |
| 1148 |
* |
| 1149 |
* @since 6.13 |
| 1150 |
* |
| 1151 |
* @return bool |
| 1152 |
*/ |
| 1153 |
public static function use_chosen_js() { |
| 1154 |
if ( ! FrmAppHelper::pro_is_installed() ) { |
| 1155 |
return false; |
| 1156 |
} |
| 1157 |
|
| 1158 |
return is_callable( 'FrmProAppHelper::use_chosen_js' ) ? FrmProAppHelper::use_chosen_js() : true; |
| 1159 |
} |
| 1160 |
|
| 1161 |
/** |
| 1162 |
* Returns the bottom part from a margin/padding value. |
| 1163 |
* |
| 1164 |
* @since 6.17 |
| 1165 |
* |
| 1166 |
* @param string $value The margin/padding value. |
| 1167 |
* |
| 1168 |
* @return string |
| 1169 |
*/ |
| 1170 |
public static function get_bottom_value( $value ) { |
| 1171 |
if ( ! $value ) { |
| 1172 |
return $value; |
| 1173 |
} |
| 1174 |
|
| 1175 |
$parts = explode( ' ', $value ); |
| 1176 |
|
| 1177 |
return count( $parts ) < 3 ? $parts[0] : $parts[2]; |
| 1178 |
} |
| 1179 |
|
| 1180 |
/** |
| 1181 |
* Scope CSS to .frm_forms on admin pages to prevent style conflicts. |
| 1182 |
* On front-end pages, the CSS is returned unchanged. |
| 1183 |
* |
| 1184 |
* @since 6.30 |
| 1185 |
* |
| 1186 |
* @param string $css The CSS to scope. |
| 1187 |
* |
| 1188 |
* @return string |
| 1189 |
*/ |
| 1190 |
public static function maybe_scope_css_for_admin( $css ) { |
| 1191 |
if ( ! self::should_scope_custom_css() ) { |
| 1192 |
return $css; |
| 1193 |
} |
| 1194 |
|
| 1195 |
/** |
| 1196 |
* Filter the CSS selector used for @scope when scoping custom CSS on admin pages. |
| 1197 |
* |
| 1198 |
* @since 6.30 |
| 1199 |
* |
| 1200 |
* @param string $selector The CSS selector to scope to. Default '.frm_forms'. |
| 1201 |
*/ |
| 1202 |
$selector = apply_filters( 'frm_scope_custom_css_selector', '.frm_forms' ); |
| 1203 |
|
| 1204 |
return '@scope (' . $selector . ') {' . $css . '}'; |
| 1205 |
} |
| 1206 |
|
| 1207 |
/** |
| 1208 |
* Scope only the custom CSS portion of the full cached stylesheet for admin pages. |
| 1209 |
* Extracts the global custom CSS from the cached CSS, outputs the theme CSS unchanged, |
| 1210 |
* and returns only the custom CSS portion scoped. |
| 1211 |
* |
| 1212 |
* @since 6.30 |
| 1213 |
* |
| 1214 |
* @param string $css The full cached CSS containing both theme and custom CSS. |
| 1215 |
* |
| 1216 |
* @return string The theme CSS with only the custom CSS portion scoped. |
| 1217 |
*/ |
| 1218 |
public static function maybe_scope_custom_css_in_cached_output( $css ) { |
| 1219 |
if ( ! self::should_scope_custom_css() ) { |
| 1220 |
return $css; |
| 1221 |
} |
| 1222 |
|
| 1223 |
$custom_css = strip_tags( FrmStylesController::get_custom_css() ); |
| 1224 |
|
| 1225 |
if ( ! $custom_css ) { |
| 1226 |
return $css; |
| 1227 |
} |
| 1228 |
|
| 1229 |
// The cached CSS is minified. Minify the custom CSS the same way to find it. |
| 1230 |
$minified_custom_css = self::minify_css( $custom_css ); |
| 1231 |
$custom_css_pos = strrpos( $css, $minified_custom_css ); |
| 1232 |
|
| 1233 |
if ( false !== $custom_css_pos ) { |
| 1234 |
$css = substr( $css, 0, $custom_css_pos ); |
| 1235 |
} |
| 1236 |
|
| 1237 |
return $css . self::maybe_scope_css_for_admin( $custom_css ); |
| 1238 |
} |
| 1239 |
|
| 1240 |
/** |
| 1241 |
* Minify CSS by stripping comments and whitespace. |
| 1242 |
* Matches the minification used when saving the cached CSS file. |
| 1243 |
* |
| 1244 |
* @since 6.30 |
| 1245 |
* |
| 1246 |
* @param string $css The CSS to minify. |
| 1247 |
* |
| 1248 |
* @return string |
| 1249 |
*/ |
| 1250 |
private static function minify_css( $css ) { |
| 1251 |
return preg_replace( '/\/\*(.|\s)*?\*\//', '', str_replace( array( "\r\n", "\r", "\n", "\t", ' ' ), '', $css ) ); |
| 1252 |
} |
| 1253 |
|
| 1254 |
/** |
| 1255 |
* Check if custom CSS should be scoped for admin context. |
| 1256 |
* |
| 1257 |
* @since 6.30 |
| 1258 |
* |
| 1259 |
* @return bool |
| 1260 |
*/ |
| 1261 |
private static function should_scope_custom_css() { |
| 1262 |
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Read-only, used to scope CSS output for admin context. |
| 1263 |
return isset( $_GET['frm_scope_custom_css'] ); |
| 1264 |
} |
| 1265 |
} |
| 1266 |
|
