<?php
namespace MailPoet\Form\Util;
if (!defined('ABSPATH')) exit;
use MailPoet\Entities\FormEntity;
use MailPoetVendor\Sabberworm\CSS\Parser as CSSParser;
class Styles {
public function prefixStyles($stylesheet, $prefix = '') {
if (!$stylesheet) return;
$styles = new CSSParser($stylesheet);
$styles = $styles->parse();
$formattedStyles = [];
foreach ($styles->getAllDeclarationBlocks() as $styleDeclaration) {
$selectors = array_map(function($selector) use ($prefix) {
$stringSelector = is_string($selector) ? $selector : $selector->__toString();
return sprintf('%s %s', $prefix, $stringSelector);
}, $styleDeclaration->getSelectors());
$selectors = implode(', ', $selectors);
$rules = array_map(function($rule) {
return $rule->__toString();
}, $styleDeclaration->getRules());
$rules = sprintf('{ %s }', implode(' ', $rules));
$formattedStyles[] = sprintf('%s %s', $selectors, $rules);
}
return implode(PHP_EOL, $formattedStyles);
}
public function renderFormSettingsStyles(FormEntity $form, string $selector, string $displayType): string {
if (!is_array($form->getSettings())) return '';
$formSettings = $form->getSettings();
// Wrapper styles
$styles = [];
if (isset($formSettings['border_size']) && isset($formSettings['border_color'])) {
$styles[] = 'border: ' . $formSettings['border_size'] . 'px solid ' . $formSettings['border_color'];
}
if (isset($formSettings['border_radius'])) {
$styles[] = 'border-radius: ' . $formSettings['border_radius'] . 'px';
}
$backgrounds = [];
$mobileBackgrounds = [];
if (isset($formSettings['background_image_url']) && $formSettings['background_image_url']) {
$backgroundPosition = 'center';
$backgroundRepeat = 'no-repeat';
$backgroundSize = 'cover';
if (isset($formSettings['background_image_display']) && $formSettings['background_image_display'] === 'fit') {
$backgroundPosition = 'center top';
$backgroundSize = 'contain';
}
if (isset($formSettings['background_image_display']) && $formSettings['background_image_display'] === 'tile') {
$backgroundRepeat = 'repeat';
$backgroundSize = 'auto';
}
$backgrounds[] = "url(" . trim($formSettings['background_image_url']) . ") $backgroundPosition / $backgroundSize $backgroundRepeat";
}
if (!empty($formSettings['gradient'])) {
$backgrounds[] = trim($formSettings['gradient']);
$mobileBackgrounds[] = trim($formSettings['gradient']);
}
if (!empty($formSettings['backgroundColor'])) {
$backgrounds[] = trim($formSettings['backgroundColor']);
$mobileBackgrounds[] = trim($formSettings['backgroundColor']);
}
if ($backgrounds) {
$styles[] = 'background: ' . join(', ', $backgrounds);
}
if (isset($formSettings['fontColor'])) {
$styles[] = 'color: ' . trim($formSettings['fontColor']);
}
if (isset($formSettings['alignment'])) {
$styles[] = 'text-align: ' . $formSettings['alignment'];
}
$formWrapperStyles = $selector . '{' . join(';', $styles) . ';}';
// Media styles for mobile
$media = $this->getMobileStyles($selector, $displayType, $mobileBackgrounds);
// Form element styles
$formStyles = [];
if (isset($formSettings['form_padding'])) {
if (
in_array(
$displayType,
[FormEntity::DISPLAY_TYPE_POPUP, FormEntity::DISPLAY_TYPE_FIXED_BAR, FormEntity::DISPLAY_TYPE_SLIDE_IN]
)
) {
$padding = $formSettings['form_padding'];
$media .= " @media (min-width: 500px) {{$selector} {padding: {$padding}px;}} ";
} else {
$formStyles[] = 'padding: ' . $formSettings['form_padding'] . 'px';
}
}
$formElementStyles = '';
if ($formStyles) {
$formElementStyles = $selector . ' form.mailpoet_form {' . join(';', $formStyles) . ';}';
}
// Width styles
$widthStyles = $this->renderWidthStyles($formSettings, $selector, $displayType);
$typeSpecificStyles = $this->getFormTypeSpecificStyles($selector, $displayType);
$messagesStyles = $this->renderFormMessageStyles($form, $selector);
$additionalStyles = $selector . ' .mailpoet_paragraph.last {margin-bottom: 0} ';
$media .= " @media (min-width: 500px) {{$selector} .last .mailpoet_paragraph:last-child {margin-bottom: 0}} ";
$media .= " @media (max-width: 500px) {{$selector} .mailpoet_form_column:last-child .mailpoet_paragraph:last-child {margin-bottom: 0}} ";
return $formWrapperStyles
. $formElementStyles
. $widthStyles
. $messagesStyles
. $typeSpecificStyles
. $additionalStyles
. $media;
}
private function renderWidthStyles(array $formSettings, string $selector, string $displayType): string {
$styles = [];
if (isset($formSettings['form_placement'][$displayType]['styles']['width'])) {
$width = $this->getWidthValue($formSettings['form_placement'][$displayType]['styles']['width']);
}
if ($displayType === FormEntity::DISPLAY_TYPE_POPUP) {
if (isset($width)) {
$styles[] = "width: $width";
$styles[] = "max-width: 100vw";
} else { // BC compatibilty
$styles[] = 'width: 560px';
$styles[] = 'max-width: 560px';
}
} elseif ($displayType === FormEntity::DISPLAY_TYPE_SLIDE_IN) {
if (isset($width)) {
$styles[] = "width: $width";
$styles[] = "max-width: 100vw";
} else { // BC compatibilty
$styles[] = 'max-width: 600px';
$styles[] = 'min-width: 350px';
}
} elseif ($displayType === FormEntity::DISPLAY_TYPE_FIXED_BAR) {
if (isset($width)) {
$styles[] = "width: $width";
$styles[] = "max-width: 100%";
} else { // BC compatibilty
$styles[] = 'max-width: 960px';
}
} elseif ($displayType === FormEntity::DISPLAY_TYPE_BELOW_POST) {
if (isset($width)) {
$styles[] = "width: $width";
}
} elseif ($displayType === FormEntity::DISPLAY_TYPE_OTHERS) {
if (isset($width)) {
$styles[] = "width: $width";
}
}
$widthSelector = $selector;
$widthSelector .= $displayType === FormEntity::DISPLAY_TYPE_FIXED_BAR ? ' form.mailpoet_form' : '';
if (!$styles) {
return '';
}
return $widthSelector . '{' . join(';', $styles) . ';}';
}
private function getWidthValue(array $width) {
return $width['value'] . ($width['unit'] === 'percent' ? '%' : 'px');
}
public function renderFormMessageStyles(FormEntity $form, string $selector): string {
$formSettings = $form->getSettings();
if (!is_array($formSettings)) {
return '';
}
return $this->renderMessagesStyles($formSettings, $selector);
}
private function renderMessagesStyles(array $formSettings, string $selector): string {
$styles = "$selector .mailpoet_message {margin: 0; padding: 0 20px;}";
if (isset($formSettings['success_validation_color']) && $formSettings['success_validation_color']) {
$success = $formSettings['success_validation_color'];
$styles .= "
$selector .mailpoet_validate_success {color: $success}
$selector input.parsley-success {color: $success}
$selector select.parsley-success {color: $success}
$selector textarea.parsley-success {color: $success}
";
}
if (isset($formSettings['error_validation_color']) && $formSettings['error_validation_color']) {
$error = $formSettings['error_validation_color'];
$styles .= "
$selector .mailpoet_validate_error {color: $error}
$selector input.parsley-error {color: $error}
$selector select.parsley-error {color: $error}
$selector textarea.textarea.parsley-error {color: $error}
$selector .parsley-errors-list {color: $error}
$selector .parsley-required {color: $error}
$selector .parsley-custom-error-message {color: $error}
";
}
return $styles;
}
private function getFormTypeSpecificStyles(string $selector, string $displayType): string {
$styles = [];
if ($displayType === FormEntity::DISPLAY_TYPE_SLIDE_IN) {
$styles[] = $selector . '.mailpoet_form_slide_in { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }';
$styles[] = $selector . '.mailpoet_form_position_right { border-top-right-radius: 0; }';
$styles[] = $selector . '.mailpoet_form_position_left { border-top-left-radius: 0; }';
}
return join('', $styles);
}
private function getMobileStyles(string $selector, string $displayType, array $mobileBackgrounds): string {
$wrapperStyles = [];
if ($mobileBackgrounds) {
$wrapperStyles[] = 'background: ' . join(', ', $mobileBackgrounds) . ';';
} else {
$wrapperStyles[] = 'background-image: none;';
}
if (
in_array(
$displayType,
[FormEntity::DISPLAY_TYPE_POPUP, FormEntity::DISPLAY_TYPE_FIXED_BAR, FormEntity::DISPLAY_TYPE_SLIDE_IN]
)
) {
$wrapperStyles = array_merge($wrapperStyles, [
'animation: none;',
'border: none;',
'border-radius: 0;',
'bottom: 0;',
'left: 0;',
'max-height: 40%;',
'padding: 20px;',
'right: 0;',
'top: auto;',
'transform: none;',
'width: 100%;',
'min-width: 100%;',
]);
}
return "@media (max-width: 500px) {{$selector} {" . join('', $wrapperStyles) . "}}";
}
}