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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Number Slider field.
*
* @since 1.5.7
*/
class WPForms_Field_Number_Slider extends WPForms_Field {
/**
* Default minimum value of the field.
*
* @since 1.5.7
*/
const SLIDER_MIN = 0;
/**
* Default maximum value of the field.
*
* @since 1.5.7
*/
const SLIDER_MAX = 10;
/**
* Default step value of the field.
*
* @since 1.5.7
*/
const SLIDER_STEP = 1;
/**
* Primary class constructor.
*
* @since 1.5.7
*/
public function init() {
// Define field type information.
$this->name = esc_html__( 'Number Slider', 'wpforms-lite' );
$this->type = 'number-slider';
$this->icon = 'fa-sliders';
$this->order = 180;
// Customize value format for HTML emails.
add_filter( 'wpforms_html_field_value', [ $this, 'html_email_value' ], 10, 4 );
// Builder strings.
add_filter( 'wpforms_builder_strings', [ $this, 'add_builder_strings' ] );
}
/**
* Add Builder strings.
*
* @since 1.6.2.3
*
* @param array $strings Form Builder strings.
*
* @return array Form Builder strings.
*/
public function add_builder_strings( $strings ) {
$strings['error_number_slider_increment'] = esc_html__( 'Increment value should be greater than zero. Decimal fractions allowed.', 'wpforms-lite' );
return $strings;
}
/**
* Customize format for HTML email notifications.
*
* @since 1.5.7
*
* @param string $val Field value.
* @param array $field Field settings.
* @param array $form_data Form data and settings.
* @param string $context Value display context.
*
* @return string
*/
public function html_email_value( $val, $field, $form_data = [], $context = '' ) {
if ( empty( $field['value_raw'] ) || $field['type'] !== $this->type ) {
return $val;
}
$value = isset( $field['value_raw']['value'] ) ? (float) $field['value_raw']['value'] : 0;
$min = isset( $field['value_raw']['min'] ) ? (float) $field['value_raw']['min'] : self::SLIDER_MIN;
$max = isset( $field['value_raw']['max'] ) ? (float) $field['value_raw']['max'] : self::SLIDER_MAX;
$html_value = $value;
if ( strpos( $field['value_raw']['value_display'], '{value}' ) !== false ) {
$html_value = str_replace(
'{value}',
/* translators: %1$s - Number slider selected value, %2$s - its minimum value, %3$s - its maximum value. */
sprintf( esc_html__( '%1$s (%2$s min / %3$s max)', 'wpforms-lite' ), $value, $min, $max ),
$field['value_raw']['value_display']
);
}
return $html_value;
}
/**
* Field options panel inside the builder.
*
* @since 1.5.7
*
* @param array $field Field settings.
*/
public function field_options( $field ) {
/*
* Basic field options.
*/
// Options open markup.
$args = [
'markup' => 'open',
];
$this->field_option( 'basic-options', $field, $args );
// Label.
$this->field_option( 'label', $field );
// Description.
$this->field_option( 'description', $field );
// Required toggle disabled.
$this->field_element(
'text',
$field,
[
'slug' => 'required',
'value' => '',
'type' => 'hidden',
]
);
// Value: min/max.
$lbl = $this->field_element(
'label',
$field,
[
'slug' => 'value',
'value' => esc_html__( 'Value', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Define the minimum and the maximum values for the slider.', 'wpforms-lite' ),
],
false
);
$min = $this->field_element(
'text',
$field,
[
'type' => 'number',
'slug' => 'min',
'class' => 'wpforms-number-slider-min',
'value' => ! empty( $field['min'] ) ? (float) $field['min'] : self::SLIDER_MIN,
],
false
);
$max = $this->field_element(
'text',
$field,
[
'type' => 'number',
'slug' => 'max',
'class' => 'wpforms-number-slider-max',
'value' => ! empty( $field['max'] ) ? (float) $field['max'] : self::SLIDER_MAX,
],
false
);
$this->field_element(
'row',
$field,
[
'slug' => 'min_max',
'content' => $lbl . wpforms_render(
'fields/number-slider/builder-option-min-max',
[
'label' => $lbl,
'input_min' => $min,
'input_max' => $max,
'field_id' => $field['id'],
],
true
),
]
);
// Default value.
$lbl = $this->field_element(
'label',
$field,
[
'slug' => 'default_value',
'value' => esc_html__( 'Default Value', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Enter a default value for this field.', 'wpforms-lite' ),
],
false
);
$fld = $this->field_element(
'text',
$field,
[
'type' => 'number',
'slug' => 'default_value',
'class' => 'wpforms-number-slider-default-value',
'value' => ! empty( $field['default_value'] ) ? (float) $field['default_value'] : 0,
'attrs' => [
'min' => isset( $field['min'] ) && is_numeric( $field['min'] ) ? (float) $field['min'] : self::SLIDER_MIN,
'max' => isset( $field['max'] ) && is_numeric( $field['max'] ) ? (float) $field['max'] : self::SLIDER_MAX,
'step' => isset( $field['step'] ) && is_numeric( $field['step'] ) ? (float) $field['step'] : self::SLIDER_STEP,
],
],
false
);
$this->field_element(
'row',
$field,
[
'slug' => 'default_value',
'content' => $lbl . $fld,
]
);
// Steps.
$lbl = $this->field_element(
'label',
$field,
[
'slug' => 'step',
'value' => esc_html__( 'Increment', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Determines the increment between selectable values on the slider.', 'wpforms-lite' ),
],
false
);
$fld = $this->field_element(
'text',
$field,
[
'type' => 'number',
'slug' => 'step',
'class' => 'wpforms-number-slider-step',
'value' => ! empty( $field['step'] ) ? abs( $field['step'] ) : self::SLIDER_STEP,
'attrs' => [
'min' => 0,
'max' => isset( $field['max'] ) && is_numeric( $field['max'] ) ? abs( (float) $field['max'] ) : self::SLIDER_MAX,
],
],
false
);
$this->field_element(
'row',
$field,
[
'slug' => 'step',
'content' => $lbl . $fld,
]
);
// Options close markup.
$args = [
'markup' => 'close',
];
$this->field_option( 'basic-options', $field, $args );
/*
* Advanced field options.
*/
// Options open markup.
$args = [
'markup' => 'open',
];
$this->field_option( 'advanced-options', $field, $args );
// Size.
$this->field_option( 'size', $field );
// Value display.
$lbl = $this->field_element(
'label',
$field,
[
'slug' => 'value_display',
'value' => esc_html__( 'Value Display', 'wpforms-lite' ),
'tooltip' => esc_html__( 'Displays the currently selected value below the slider.', 'wpforms-lite' ),
],
false
);
$fld = $this->field_element(
'text',
$field,
[
'slug' => 'value_display',
'class' => 'wpforms-number-slider-value-display',
'value' => isset( $field['value_display'] ) ? $field['value_display'] : $this->get_default_display_value(),
],
false
);
$this->field_element(
'row',
$field,
[
'slug' => 'value_display',
'content' => $lbl . $fld,
]
);
// Custom CSS classes.
$this->field_option( 'css', $field );
// Hide label.
$this->field_option( 'label_hide', $field );
// Options close markup.
$args = [
'markup' => 'close',
];
$this->field_option( 'advanced-options', $field, $args );
}
/**
* Get default display value.
*
* @since 1.7.1
*
* @return string
*/
private function get_default_display_value() {
return sprintf( /* translators: %s - value. */
esc_html__( 'Selected Value: %s', 'wpforms-lite' ),
'{value}'
);
}
/**
* Field preview inside the builder.
*
* @since 1.5.7
*
* @param array $field Field data.
*/
public function field_preview( $field ) {
// Label.
$this->field_preview_option( 'label', $field );
$value_display = isset( $field['value_display'] ) ? esc_attr( $field['value_display'] ) : $this->get_default_display_value();
$default_value = ! empty( $field['default_value'] ) ? (float) $field['default_value'] : 0;
echo wpforms_render( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
'fields/number-slider/builder-preview',
[
'min' => isset( $field['min'] ) && is_numeric( $field['min'] ) ? (float) $field['min'] : self::SLIDER_MIN,
'max' => isset( $field['max'] ) && is_numeric( $field['max'] ) ? (float) $field['max'] : self::SLIDER_MAX,
'step' => isset( $field['step'] ) && is_numeric( $field['step'] ) ? (float) $field['step'] : self::SLIDER_STEP,
'value_display' => $value_display,
'default_value' => $default_value,
'value_hint' => str_replace( '{value}', '<b>' . $default_value . '</b>', wp_kses( $value_display, wpforms_builder_preview_get_allowed_tags() ) ),
'field_id' => $field['id'],
],
true
);
// Description.
$this->field_preview_option( 'description', $field );
}
/**
* Field display on the form front-end.
*
* @since 1.5.7
*
* @param array $field Field data and settings.
* @param array $deprecated Deprecated field attributes. Use $field['properties'] instead.
* @param array $form_data Form data and settings.
*/
public function field_display( $field, $deprecated, $form_data ) {
// Define data.
$primary = $field['properties']['inputs']['primary'];
$value_display = isset( $field['value_display'] ) ? esc_attr( $field['value_display'] ) : esc_html__( 'Selected Value: {value}', 'wpforms-lite' );
$hint_value = ! empty( $primary['attr']['value'] ) ? (float) $primary['attr']['value'] : 0;
$hint = str_replace( '{value}', '<b>' . $hint_value . '</b>', $value_display );
// phpcs:ignore
echo wpforms_render(
'fields/number-slider/frontend',
[
'atts' => $primary['attr'],
'class' => $primary['class'],
'datas' => $primary['data'],
'id' => $primary['id'],
'max' => isset( $field['max'] ) && is_numeric( $field['max'] ) ? (float) $field['max'] : self::SLIDER_MAX,
'min' => isset( $field['min'] ) && is_numeric( $field['min'] ) ? (float) $field['min'] : self::SLIDER_MIN,
'required' => $primary['required'],
'step' => isset( $field['step'] ) && is_numeric( $field['step'] ) ? (float) $field['step'] : self::SLIDER_STEP,
'value_display' => $value_display,
'value_hint' => $hint,
],
true
);
}
/**
* Validate field on form submit.
*
* @since 1.5.7
*
* @param int $field_id Field ID.
* @param int|float|string $field_submit Submitted field value (raw data).
* @param array $form_data Form data and settings.
*/
public function validate( $field_id, $field_submit, $form_data ) {
$form_id = $form_data['id'];
$field_submit = (float) $this->sanitize_value( $field_submit );
// Basic required check - if field is marked as required, check for entry data.
if (
! empty( $form_data['fields'][ $field_id ]['required'] ) &&
empty( $field_submit ) &&
(string) $field_submit !== '0'
) {
wpforms()->obj( 'process' )->errors[ $form_id ][ $field_id ] = wpforms_get_required_label();
}
// Check if value is numeric.
if ( ! empty( $field_submit ) && ! is_numeric( $field_submit ) ) {
/**
* Filter the error message for the number field.
*
* @since 1.0.0
*
* @param string $message Error message.
*/
wpforms()->obj( 'process' )->errors[ $form_id ][ $field_id ] = apply_filters( 'wpforms_valid_number_label', esc_html__( 'Please provide a valid value.', 'wpforms-lite' ) ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
}
}
/**
* Format and sanitize field.
*
* @since 1.5.7
*
* @param int $field_id Field ID.
* @param int|string|float $field_submit Submitted field value.
* @param array $form_data Form data and settings.
*/
public function format( $field_id, $field_submit, $form_data ) {
// Define data.
$name = ! empty( $form_data['fields'][ $field_id ]['label'] ) ? $form_data['fields'][ $field_id ]['label'] : '';
$value = (float) $this->sanitize_value( $field_submit );
$value_raw = [
'value' => $value,
'min' => (float) $form_data['fields'][ $field_id ]['min'],
'max' => (float) $form_data['fields'][ $field_id ]['max'],
'value_display' => wp_kses_post( $form_data['fields'][ $field_id ]['value_display'] ),
];
// Set final field details.
wpforms()->obj( 'process' )->fields[ $field_id ] = [
'name' => sanitize_text_field( $name ),
'value' => $value,
'value_raw' => $value_raw,
'id' => wpforms_validate_field_id( $field_id ),
'type' => $this->type,
];
}
/**
* Sanitize the value.
*
* @since 1.5.7
*
* @param string $value The number field submitted value.
*
* @return float|int|string
*/
private function sanitize_value( $value ) {
// Some browsers allow other non-digit/decimal characters to be submitted
// with the num input, which then trips the is_numeric validation below.
// To get around this we remove all chars that are not expected.
$signed_value = preg_replace( '/[^-0-9.]/', '', $value );
// If there's no number on the signed value we return zero.
// We have to do that because since PHP 8.0, the abs() function is allowed an argument with int|float type.
if ( ! is_numeric( $signed_value ) ) {
return 0;
}
$abs_value = abs( $signed_value );
$value = strpos( $signed_value, '-' ) === 0 ? '-' . $abs_value : $abs_value;
return $value;
}
}
new WPForms_Field_Number_Slider();
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