class-ld-settings-fields-select.php
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<?php
/**
* LearnDash Select Settings Field.
*
* @since 3.0.0
* @package LearnDash\Settings\Field
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( class_exists( 'LearnDash_Settings_Fields' ) ) && ( ! class_exists( 'LearnDash_Settings_Fields_Select' ) ) ) {
/**
* LearnDash Select Settings Field.
*
* @since 3.0.0
* @uses LearnDash_Settings_Fields
*/
class LearnDash_Settings_Fields_Select extends LearnDash_Settings_Fields {
/**
* Public constructor for class
*
* @since 3.0.0
*/
public function __construct() {
$this->field_type = 'select';
parent::__construct();
}
/**
* Function to crete the settings field.
*
* @since 3.0.0
*
* @param array $field_args An array of field arguments used to process the output.
* @return void
*/
public function create_section_field( $field_args = array() ) {
/** This filter is documented in includes/settings/settings-fields/class-ld-settings-fields-checkbox-switch.php */
$field_args = apply_filters( 'learndash_settings_field', $field_args );
/** This filter is documented in includes/settings/settings-fields/class-ld-settings-fields-checkbox-switch.php */
$html = apply_filters( 'learndash_settings_field_html_before', '', $field_args );
$html .= '<span class="ld-select">';
$html .= '<select autocomplete="off" ';
$html .= $this->get_field_attribute_type( $field_args );
$html .= $this->get_field_attribute_name( $field_args );
$html .= $this->get_field_attribute_id( $field_args );
$html .= $this->get_field_attribute_class( $field_args );
$html .= $this->get_field_attribute_placeholder( $field_args );
if ( learndash_use_select2_lib() ) {
if ( ! isset( $field_args['attrs']['data-ld-select2'] ) ) {
$html .= ' data-ld-select2="1" ';
}
}
$html .= $this->get_field_attribute_misc( $field_args );
$html .= $this->get_field_attribute_required( $field_args );
$html .= $this->get_field_sub_trigger( $field_args );
$html .= $this->get_field_inner_trigger( $field_args );
$html .= ' >';
$html_sub_fields = '';
if ( ( isset( $field_args['options'] ) ) && ( ! empty( $field_args['options'] ) ) ) {
foreach ( $field_args['options'] as $option_key => $option_label ) {
$selected_item = '';
if ( is_array( $field_args['value'] ) ) {
if ( in_array( $option_key, $field_args['value'], true ) ) {
$selected_item = ' selected="" ';
}
} else {
$selected_item = selected( $option_key, $field_args['value'], false );
}
if ( is_array( $option_label ) ) {
// Support for <optgroup> within the select.
if ( ( isset( $option_label['optgroup_options'] ) ) && ( ! empty( $option_label['optgroup_options'] ) ) ) {
$html .= '<optgroup ';
if ( ( isset( $option_label['optgroup_label'] ) ) && ( ! empty( $option_label['optgroup_label'] ) ) ) {
$html .= ' label="' . esc_html( $option_label['optgroup_label'] ) . '" ';
}
$html .= '>';
foreach ( $option_label['optgroup_options'] as $optgroup_option_key => $optgroup_option_label ) {
$html .= '<option value="' . esc_attr( $optgroup_option_key ) . '" ' . $selected_item . '>' . wp_kses_post( $optgroup_option_label ) . '</option>';
}
$html .= '</optgroup>';
} else {
/**
* Support for nested inline fields. See 'quizModus' settings field in
* includes/settings/settings-metaboxes/class-ld-settings-metabox-quiz-display-content.php
* as example.
*/
if ( ( isset( $option_label['label'] ) ) && ( ! empty( $option_label['label'] ) ) ) {
$html .= '<option value="' . esc_attr( $option_key ) . '" ' . $selected_item . '>' . wp_kses_post( $option_label['label'] ) . '</option>';
}
if ( ( isset( $option_label['inline_fields'] ) ) && ( ! empty( $option_label['inline_fields'] ) ) ) {
foreach ( $option_label['inline_fields'] as $sub_field_key => $sub_fields ) {
$html .= ' data-settings-inner-trigger="ld-settings-inner-' . esc_attr( $sub_field_key ) . '" ';
if ( ( isset( $option_label['inner_section_state'] ) ) && ( 'open' === $option_label['inner_section_state'] ) ) {
$inner_section_state = 'open';
} else {
$inner_section_state = 'closed';
}
$html_sub_fields .= '<div class="ld-settings-inner ld-settings-inner-' . esc_attr( $sub_field_key ) . ' ld-settings-inner-state-' . esc_attr( $inner_section_state ) . '">';
$level = ob_get_level();
ob_start();
foreach ( $sub_fields as $sub_field ) {
self::show_section_field_row( $sub_field );
}
$html_sub_fields .= learndash_ob_get_clean( $level );
$html_sub_fields .= '</div>';
}
}
}
} elseif ( is_string( $option_label ) ) {
$html .= '<option value="' . esc_attr( $option_key ) . '" ' . $selected_item . '>' . wp_kses_post( $option_label ) . '</option>';
}
}
}
$html .= '</select>';
$html .= '</span>';
$html .= $this->get_field_attribute_input_label( $field_args );
$html .= $html_sub_fields;
/** This filter is documented in includes/settings/settings-fields/class-ld-settings-fields-checkbox-switch.php */
$html = apply_filters( 'learndash_settings_field_html_after', $html, $field_args );
echo $html; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Need to output HTML
}
/**
* Validate field
*
* @since 3.0.0
*
* @param mixed $val Value to validate.
* @param string $key Key of value being validated.
* @param array $args Array of field args.
*
* @return integer value.
*/
public function validate_section_field( $val, $key = '', $args = array() ) {
if ( ( isset( $args['field']['type'] ) ) && ( $args['field']['type'] === $this->field_type ) ) {
if ( ! empty( $val ) ) {
$val = call_user_func( $args['field']['value_type'], $val );
} else {
$val = '';
}
return $val;
}
return false;
}
/**
* Convert Settings Field value to REST value.
*
* @since 3.3.0
*
* @param mixed $val Value from REST to be converted to internal value.
* @param string $key Key field for value.
* @param array $field_args Array of field args.
* @param WP_REST_Request $request Request object.
*/
public function field_value_to_rest_value( $val, $key, $field_args, WP_REST_Request $request ) {
if ( ( isset( $field_args['field']['type'] ) ) && ( $field_args['field']['type'] === $this->field_type ) ) {
if ( isset( $field_args['field']['rest']['rest_args']['schema']['type'] ) ) {
if ( 'integer' === $field_args['field']['rest']['rest_args']['schema']['type'] ) {
$val = absint( $val );
}
}
}
return $val;
}
// end of functions.
}
}
add_action(
'learndash_settings_sections_fields_init',
function() {
LearnDash_Settings_Fields_Select::add_field_instance( 'select' );
}
);