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Mini Shell
Mini Shell
<?php
namespace WPForms\Admin\Settings;
use WPForms\Emails\Helpers;
use WPForms\Emails\Notifications;
use WPForms\Admin\Education\Helpers as EducationHelpers;
/**
* Email setting page.
* Settings will be accessible via “WPForms” → “Settings” → “Email”.
*
* @since 1.8.5
*/
class Email {
/**
* Content is plain text type.
*
* @since 1.8.5
*
* @var bool
*/
private $plain_text;
/**
* Temporary storage for the style overrides preferences.
*
* @since 1.8.6
*
* @var array
*/
private $style_overrides;
/**
* Determines if the user has the education modal.
* If true, the value will be used to add the Education modal class to the setting controls.
* This is only available in the free version.
*
* @since 1.8.6
*
* @var string
*/
private $has_education;
/**
* Determines if the user has the legacy template.
* If true, the value will be used to add the Legacy template class to the setting controls.
*
* @since 1.8.6
*
* @var string
*/
private $has_legacy_template;
/**
* Initialize class.
*
* @since 1.8.5
*/
public function init() {
$this->hooks();
}
/**
* Hooks.
*
* @since 1.8.5
*/
private function hooks() {
add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_assets' ] );
add_filter( 'wpforms_update_settings', [ $this, 'maybe_update_settings' ] );
add_filter( 'wpforms_settings_tabs', [ $this, 'register_settings_tabs' ], 5 );
add_filter( 'wpforms_settings_defaults', [ $this, 'register_settings_fields' ], 5 );
}
/**
* Enqueue scripts and styles.
* Static resources are enqueued only on the "Email" settings page.
*
* @since 1.8.5
*/
public function enqueue_assets() {
// Leave if the current page is not the "Email" settings page.
if ( ! $this->is_settings_page() ) {
return;
}
$min = wpforms_get_min_suffix();
wp_enqueue_script(
'wpforms-contrast-checker',
WPFORMS_PLUGIN_URL . "assets/js/admin/share/contrast-checker{$min}.js",
[],
WPFORMS_VERSION,
true
);
wp_enqueue_script(
'wpforms-xor',
WPFORMS_PLUGIN_URL . "assets/js/admin/share/xor{$min}.js",
[],
WPFORMS_VERSION,
true
);
wp_enqueue_script(
'wpforms-admin-email-settings',
WPFORMS_PLUGIN_URL . "assets/js/admin/email/settings{$min}.js",
[ 'jquery', 'wpforms-admin', 'wp-escape-html', 'wp-url', 'choicesjs', 'wpforms-contrast-checker', 'wpforms-xor' ],
WPFORMS_VERSION,
true
);
wp_localize_script(
'wpforms-admin-email-settings',
'wpforms_admin_email_settings',
[
'contrast_fail' => esc_html__( 'This color combination may be hard to read. Try increasing the contrast between the body and text colors.', 'wpforms-lite' ),
]
);
}
/**
* Maybe update settings.
*
* @since 1.8.5
*
* @param array $settings Admin area settings list.
*
* @return array
*/
public function maybe_update_settings( $settings ) {
// Leave if the current page is not the "Email" settings page.
if ( ! $this->is_settings_page() ) {
return $settings;
}
// Remove the appearance mode switcher from the settings array.
unset( $settings['email-appearance'] );
// Backup the Pro version background color setting to the free version.
// This is needed to keep the background color when the Pro version is deactivated.
if ( wpforms()->is_pro() && ! Helpers::is_legacy_html_template() ) {
$settings['email-background-color'] = sanitize_hex_color( $settings['email-color-scheme']['email_background_color'] );
$settings['email-background-color-dark'] = sanitize_hex_color( $settings['email-color-scheme-dark']['email_background_color_dark'] );
return $settings;
}
// Backup the free version background color setting to the Pro version.
// This is needed to keep the background color when the Pro version is activated.
$settings['email-color-scheme']['email_background_color'] = sanitize_hex_color( $settings['email-background-color'] );
$settings['email-color-scheme-dark']['email_background_color_dark'] = sanitize_hex_color( $settings['email-background-color-dark'] );
return $settings;
}
/**
* Register "Email" settings tab.
*
* @since 1.8.5
*
* @param array $tabs Admin area tabs list.
*
* @return array
*/
public function register_settings_tabs( $tabs ) {
$payments = [
'email' => [
'form' => true,
'name' => esc_html__( 'Email', 'wpforms-lite' ),
'submit' => esc_html__( 'Save Settings', 'wpforms-lite' ),
],
];
return wpforms_array_insert( $tabs, $payments, 'general' );
}
/**
* Register "Email" settings fields.
*
* @since 1.8.5
*
* @param array $settings Admin area settings list.
*
* @return array
*/
public function register_settings_fields( $settings ) {
$this->plain_text = Helpers::is_plain_text_template();
$this->has_education = ! wpforms()->is_pro() ? 'education-modal' : '';
$this->style_overrides = Helpers::get_current_template_style_overrides();
$this->has_legacy_template = Helpers::is_legacy_html_template() ? 'legacy-template' : '';
$preview_link = $this->get_current_template_preview_link();
// Add Email settings.
$settings['email'] = [
'email-heading' => [
'id' => 'email-heading',
'content' => $this->get_heading_content(),
'type' => 'content',
'no_label' => true,
'class' => [ 'section-heading', 'no-desc' ],
],
'email-template' => [
'id' => 'email-template',
'name' => esc_html__( 'Template', 'wpforms-lite' ),
'class' => [ 'wpforms-email-template', 'wpforms-card-image-group' ],
'type' => 'email_template',
'default' => Notifications::DEFAULT_TEMPLATE,
'options' => Helpers::get_email_template_choices(),
'value' => Helpers::get_current_template_name(),
],
// The reason that we're using the 'content' type is to avoid saving the value in the option storage.
// The value is used only for the appearance mode switcher, and merely acts as a switch between dark and light mode controls.
'email-appearance' => [
'id' => 'email-appearance',
'name' => esc_html__( 'Appearance', 'wpforms-lite' ),
'desc' => esc_html__( 'Modern email clients support viewing emails in light and dark modes. You can upload a header image and customize the style for each appearance mode independently to ensure an optimal reading experience.', 'wpforms-lite' ),
'type' => 'radio',
'class' => [ 'wpforms-setting-row-radio', 'hide-for-template-none', 'email-appearance-mode-toggle', $this->has_legacy_template ],
'default' => 'light',
'is_hidden' => $this->plain_text,
'options' => [
'light' => esc_html__( 'Light', 'wpforms-lite' ),
'dark' => esc_html__( 'Dark', 'wpforms-lite' ),
],
],
'email-preview' => [
'id' => 'email-preview',
'type' => 'content',
'is_hidden' => empty( $preview_link ),
'content' => $preview_link,
],
'sending-heading' => [
'id' => 'sending-heading',
'content' => '<h4>' . esc_html__( 'Sending', 'wpforms-lite' ) . '</h4>',
'type' => 'content',
'no_label' => true,
'class' => [ 'section-heading', 'no-desc' ],
],
'email-async' => [
'id' => 'email-async',
'name' => esc_html__( 'Optimize Email Sending', 'wpforms-lite' ),
'desc' => sprintf(
wp_kses( /* translators: %1$s - WPForms.com Email settings documentation URL. */
__( 'Send emails asynchronously, which can make processing faster but may delay email delivery by a minute or two. <a href="%1$s" target="_blank" rel="noopener noreferrer" class="wpforms-learn-more">Learn More</a>', 'wpforms-lite' ),
[
'a' => [
'href' => [],
'target' => [],
'rel' => [],
'class' => [],
],
]
),
esc_url( wpforms_utm_link( 'https://wpforms.com/docs/a-complete-guide-to-wpforms-settings/#email', 'Settings - Email', 'Optimize Email Sending Documentation' ) )
),
'type' => 'toggle',
'status' => true,
],
'email-carbon-copy' => [
'id' => 'email-carbon-copy',
'name' => esc_html__( 'Carbon Copy', 'wpforms-lite' ),
'desc' => esc_html__( 'Enable the ability to CC: email addresses in the form notification settings.', 'wpforms-lite' ),
'type' => 'toggle',
'status' => true,
],
];
// Add the style controls.
$settings['email'] = $this->add_appearance_controls( $settings['email'] );
// Maybe add the Legacy template notice.
$settings['email'] = $this->maybe_add_legacy_notice( $settings['email'] );
return $settings;
}
/**
* Maybe add the legacy template notice.
*
* @since 1.8.5
*
* @param array $settings Email settings.
*
* @return array
*/
private function maybe_add_legacy_notice( $settings ) {
if ( ! $this->is_settings_page() || ! Helpers::is_legacy_html_template() ) {
return $settings;
}
$content = '<div class="notice-info"><p>';
$content .= sprintf(
wp_kses( /* translators: %1$s - WPForms.com Email settings legacy template documentation URL. */
__( 'Some style settings are not available when using the Legacy template. <a href="%1$s" target="_blank" rel="noopener noreferrer">Learn More</a>', 'wpforms-lite' ),
[
'a' => [
'href' => [],
'target' => [],
'rel' => [],
],
]
),
esc_url( wpforms_utm_link( 'https://wpforms.com/docs/customizing-form-notification-emails/#legacy-template', 'Settings - Email', 'Legacy Template' ) )
);
$content .= '</p></div>';
// Add the background color control after the header image.
return wpforms_array_insert(
$settings,
[
'email-legacy-notice' => [
'id' => 'email-legacy-notice',
'content' => $content,
'type' => 'content',
'class' => 'wpforms-email-legacy-notice',
],
],
'email-template'
);
}
/**
* Add appearance controls.
* This will include controls for both Light and Dark modes.
*
* @since 1.8.6
*
* @param array $settings Email settings.
*
* @return array
*/
private function add_appearance_controls( $settings ) {
// Education modal arguments.
$education_args = [ 'action' => 'upgrade' ];
// New settings for the Light mode.
$new_setting = [
'email-header-image' => [
'id' => 'email-header-image',
'name' => esc_html__( 'Header Image', 'wpforms-lite' ),
'desc' => esc_html__( 'Upload or choose a logo to be displayed at the top of email notifications.', 'wpforms-lite' ),
'class' => [ 'wpforms-email-header-image', 'hide-for-template-none', 'has-preview-changes', 'email-light-mode', $this->get_external_header_image_class() ],
'type' => 'image',
'is_hidden' => $this->plain_text,
'show_remove' => true,
],
'email-header-image-size' => [
'id' => 'email-header-image-size',
'no_label' => true,
'type' => 'select',
'class' => [ 'wpforms-email-header-image-size', 'has-preview-changes', 'email-light-mode' ],
'is_hidden' => true,
'choicesjs' => false,
'default' => 'medium',
'options' => [
'small' => esc_html__( 'Small', 'wpforms-lite' ),
'medium' => esc_html__( 'Medium', 'wpforms-lite' ),
'large' => esc_html__( 'Large', 'wpforms-lite' ),
],
],
'email-color-scheme' => [
'id' => 'email-color-scheme',
'name' => esc_html__( 'Color Scheme', 'wpforms-lite' ),
'class' => [ 'email-color-scheme', 'hide-for-template-none', 'has-preview-changes', 'email-light-mode', $this->has_education, $this->has_legacy_template ],
'type' => 'color_scheme',
'is_hidden' => $this->plain_text,
'education_badge' => $this->get_pro_education_badge(),
'data_attributes' => $this->has_education ? array_merge( [ 'name' => esc_html__( 'Color Scheme', 'wpforms-lite' ) ], $education_args ) : [],
'colors' => $this->get_color_scheme_controls(),
],
'email-typography' => [
'id' => 'email-typography',
'name' => esc_html__( 'Typography', 'wpforms-lite' ),
'desc' => esc_html__( 'Choose the style that’s applied to all text in email notifications.', 'wpforms-lite' ),
'class' => [ 'hide-for-template-none', 'has-preview-changes', 'email-typography', 'email-light-mode', $this->has_education, $this->has_legacy_template ],
'education_badge' => $this->get_pro_education_badge(),
'data_attributes' => $this->has_education ? array_merge( [ 'name' => esc_html__( 'Typography', 'wpforms-lite' ) ], $education_args ) : [],
'type' => 'select',
'is_hidden' => $this->plain_text,
'choicesjs' => true,
'default' => 'sans-serif',
'options' => [
'sans-serif' => esc_html__( 'Sans Serif', 'wpforms-lite' ),
'serif' => esc_html__( 'Serif', 'wpforms-lite' ),
],
],
];
// Add background color control if the Pro version is not active or Legacy template is selected.
$new_setting = $this->maybe_add_background_color_control( $new_setting );
return wpforms_array_insert(
$settings,
$this->add_appearance_dark_mode_controls( $new_setting ),
'email-appearance'
);
}
/**
* Add appearance dark mode controls.
*
* This function will duplicate the default "Light" color
* controls to create corresponding controls for dark mode.
*
* @since 1.8.6
*
* @param array $settings Email settings.
*
* @return array
*/
private function add_appearance_dark_mode_controls( $settings ) {
// Duplicate and modify each item for dark mode.
foreach ( $settings as $key => $item ) {
// Duplicate the item with '-dark' added to the key.
$dark_key = "{$key}-dark";
$settings[ $dark_key ] = $item;
// Modify the 'name' within the duplicated item.
if ( isset( $settings[ $dark_key ]['id'] ) ) {
$settings[ $dark_key ]['id'] .= '-dark';
$classes = &$settings[ $dark_key ]['class'];
$classes[] = 'email-dark-mode';
$classes[] = 'wpforms-hide';
// Remove classes related to light mode.
$classes = array_filter(
$classes,
static function ( $class_name ) {
return $class_name !== 'email-light-mode' && $class_name !== 'has-external-image-url';
}
);
}
// Override the description for the header image control.
if ( $key === 'email-header-image' ) {
$settings[ $dark_key ]['desc'] = esc_html__( 'Upload or choose a logo to be displayed at the top of email notifications. Light mode image will be used if not set.', 'wpforms-lite' );
}
// Override the background color control attributes.
if ( $key === 'email-background-color' ) {
$settings[ $dark_key ]['default'] = sanitize_hex_color( $this->style_overrides['email_background_color_dark'] );
$settings[ $dark_key ]['data']['fallback-color'] = sanitize_hex_color( $this->style_overrides['email_background_color_dark'] );
}
// Override the color scheme control attributes.
if ( $key === 'email-color-scheme' ) {
$settings[ $dark_key ]['colors'] = $this->get_color_scheme_controls( true );
}
}
return $settings;
}
/**
* Get Email settings heading content.
*
* @since 1.8.5
*
* @return string
*/
private function get_heading_content() {
return wpforms_render( 'admin/settings/email-heading' );
}
/**
* Get Email settings education badge.
* This is only available in the free version.
*
* @since 1.8.6
*
* @return string
*/
private function get_pro_education_badge() {
// Leave early if the user has the Lite version.
if ( empty( $this->has_education ) ) {
return '';
}
// Output the education badge.
return EducationHelpers::get_badge( 'Pro' );
}
/**
* Generate color scheme controls for the color picker.
*
* @since 1.8.6
*
* @param bool $is_dark_mode Whether the color scheme is for dark mode.
*
* @return array
*/
private function get_color_scheme_controls( $is_dark_mode = false ) {
// Append '_dark' to keys if it's for dark mode.
$is_dark_mode_suffix = $is_dark_mode ? '_dark' : '';
// Data attributes to disable extensions from appearing in the input field.
$color_scheme_data = [
'1p-ignore' => 'true', // 1Password ignore.
'lp-ignore' => 'true', // LastPass ignore.
];
$colors = [];
$controls = [
"email_background_color{$is_dark_mode_suffix}" => esc_html__( 'Background', 'wpforms-lite' ),
"email_body_color{$is_dark_mode_suffix}" => esc_html__( 'Body', 'wpforms-lite' ),
"email_text_color{$is_dark_mode_suffix}" => esc_html__( 'Text', 'wpforms-lite' ),
"email_links_color{$is_dark_mode_suffix}" => esc_html__( 'Links', 'wpforms-lite' ),
];
foreach ( $controls as $key => $label ) {
// Construct the color controls array.
$colors[ $key ] = [
'name' => $label,
'data' => array_merge(
[
'fallback-color' => $this->style_overrides[ $key ],
],
$color_scheme_data
),
];
}
return $colors;
}
/**
* Get current email template hyperlink.
*
* @since 1.8.5
*
* @return string
*/
private function get_current_template_preview_link() {
// Leave if the user has the legacy template is set or the user doesn't have the capability.
if ( ! wpforms_current_user_can() || Helpers::is_legacy_html_template() ) {
return '';
}
$template_name = Helpers::get_current_template_name();
$current_template = Notifications::get_available_templates( $template_name );
// Return empty string if the current template is not found.
// Leave early if the preview link is empty.
if ( ! isset( $current_template['path'] ) || ! class_exists( $current_template['path'] ) || empty( $current_template['preview'] ) ) {
return '';
}
return sprintf(
wp_kses( /* translators: %1$s - Email template preview URL. */
__( '<a href="%1$s" class="wpforms-btn-preview" target="_blank" rel="noopener">Preview Email Template</a>', 'wpforms-lite' ),
[
'a' => [
'class' => true,
'href' => true,
'target' => true,
'rel' => true,
],
]
),
esc_url( $current_template['preview'] )
);
}
/**
* Maybe add the background color control to the email settings.
* This is only available in the free version.
*
* @since 1.8.5
*
* @param array $settings Email settings.
*
* @return array
*/
private function maybe_add_background_color_control( $settings ) {
// Leave as is if the Pro version is active and no legacy template available.
if ( ! Helpers::is_legacy_html_template() && wpforms()->is_pro() ) {
return $settings;
}
// Add the background color control after the header image.
return wpforms_array_insert(
$settings,
[
'email-background-color' => [
'id' => 'email-background-color',
'name' => esc_html__( 'Background Color', 'wpforms-lite' ),
'desc' => esc_html__( 'Customize the background color of the email template.', 'wpforms-lite' ),
'class' => [ 'email-background-color', 'has-preview-changes', 'email-light-mode' ],
'type' => 'color',
'is_hidden' => $this->plain_text,
'default' => '#e9eaec',
'data' => [
'fallback-color' => $this->style_overrides['email_background_color'],
'1p-ignore' => 'true', // 1Password ignore.
'lp-ignore' => 'true', // LastPass ignore.
],
],
],
'email-color-scheme',
'before'
);
}
/**
* Gets the class for the header image control.
*
* This is used to determine if the header image is external.
* Legacy header image control was allowing external URLs.
*
* Note that this evaluation is only available for the "Light" mode,
* as the "Dark" mode is a new feature and doesn't have the legacy header image control.
*
* @since 1.8.5
*
* @return string
*/
private function get_external_header_image_class() {
$header_image_url = wpforms_setting( 'email-header-image', '' );
// If the header image URL is empty, return an empty string.
if ( empty( $header_image_url ) ) {
return '';
}
$site_url = home_url(); // Get the current site's URL.
// Get the hosts of the site URL and the header image URL.
$site_url_host = wp_parse_url( $site_url, PHP_URL_HOST );
$header_image_url_host = wp_parse_url( $header_image_url, PHP_URL_HOST );
// Check if the header image URL host is different from the site URL host.
if ( $header_image_url_host && $site_url_host && $header_image_url_host !== $site_url_host ) {
return 'has-external-image-url';
}
return ''; // If none of the conditions match, return an empty string.
}
/**
* Determine if the current page is the "Email" settings page.
*
* @since 1.8.5
*
* @return bool
*/
private function is_settings_page() {
return wpforms_is_admin_page( 'settings', 'email' );
}
}
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