' . "\n";
}
// return
return $html;
}
/*
* render_field_settings()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like bellow) to save extra data to the $field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field - an array holding all the field's data
*/
function render_field_settings( $field ) {
// Encode choices (convert from array).
$field['choices'] = acf_encode_choices( $field['choices'] );
$field['default_value'] = acf_encode_choices( $field['default_value'], false );
acf_render_field_setting(
$field,
array(
'label' => __( 'Choices', 'acf' ),
'instructions' => __( 'Enter each choice on a new line.', 'acf' ) . ' ' . __( 'For more control, you may specify both a value and label like this:', 'acf' ) . ' ' . __( 'red : Red', 'acf' ) . '',
'type' => 'textarea',
'name' => 'choices',
)
);
acf_render_field_setting(
$field,
array(
'label' => __( 'Default Value', 'acf' ),
'instructions' => __( 'Enter each default value on a new line', 'acf' ),
'type' => 'textarea',
'name' => 'default_value',
)
);
acf_render_field_setting(
$field,
array(
'label' => __( 'Return Value', 'acf' ),
'instructions' => __( 'Specify the returned value on front end', 'acf' ),
'type' => 'radio',
'name' => 'return_format',
'layout' => 'horizontal',
'choices' => array(
'value' => __( 'Value', 'acf' ),
'label' => __( 'Label', 'acf' ),
'array' => __( 'Both (Array)', 'acf' ),
),
)
);
}
/**
* Renders the field settings used in the "Validation" tab.
*
* @since 6.0
*
* @param array $field The field settings array.
* @return void
*/
function render_field_validation_settings( $field ) {
acf_render_field_setting(
$field,
array(
'label' => __( 'Allow Custom Values', 'acf' ),
'name' => 'allow_custom',
'type' => 'true_false',
'ui' => 1,
'instructions' => __( "Allow 'custom' values to be added", 'acf' ),
)
);
acf_render_field_setting(
$field,
array(
'label' => __( 'Save Custom Values', 'acf' ),
'name' => 'save_custom',
'type' => 'true_false',
'ui' => 1,
'instructions' => __( "Save 'custom' values to the field's choices", 'acf' ),
'conditions' => array(
'field' => 'allow_custom',
'operator' => '==',
'value' => 1,
),
)
);
}
/**
* Renders the field settings used in the "Presentation" tab.
*
* @since 6.0
*
* @param array $field The field settings array.
* @return void
*/
function render_field_presentation_settings( $field ) {
acf_render_field_setting(
$field,
array(
'label' => __( 'Layout', 'acf' ),
'instructions' => '',
'type' => 'radio',
'name' => 'layout',
'layout' => 'horizontal',
'choices' => array(
'vertical' => __( 'Vertical', 'acf' ),
'horizontal' => __( 'Horizontal', 'acf' ),
),
)
);
acf_render_field_setting(
$field,
array(
'label' => __( 'Add Toggle All', 'acf' ),
'instructions' => __( 'Prepend an extra checkbox to toggle all choices', 'acf' ),
'name' => 'toggle',
'type' => 'true_false',
'ui' => 1,
)
);
}
/*
* update_field()
*
* This filter is appied to the $field before it is saved to the database
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $field - the field array holding all the field options
* @param $post_id - the field group ID (post_type = acf)
*
* @return $field - the modified field
*/
function update_field( $field ) {
// Decode choices (convert to array).
$field['choices'] = acf_decode_choices( $field['choices'] );
$field['default_value'] = acf_decode_choices( $field['default_value'], true );
return $field;
}
/*
* update_value()
*
* This filter is appied to the $value before it is updated in the db
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value which will be saved in the database
* @param $post_id - the $post_id of which the value will be saved
* @param $field - the field array holding all the field options
*
* @return $value - the modified value
*/
function update_value( $value, $post_id, $field ) {
// bail early if is empty
if ( empty( $value ) ) {
return $value;
}
// select -> update_value()
$value = acf_get_field_type( 'select' )->update_value( $value, $post_id, $field );
// save_other_choice
if ( $field['save_custom'] ) {
// get raw $field (may have been changed via repeater field)
// if field is local, it won't have an ID
$selector = $field['ID'] ? $field['ID'] : $field['key'];
$field = acf_get_field( $selector );
if ( ! $field ) {
return false;
}
// bail early if no ID (JSON only)
if ( ! $field['ID'] ) {
return $value;
}
// loop
foreach ( $value as $v ) {
// ignore if already eixsts
if ( isset( $field['choices'][ $v ] ) ) {
continue;
}
// unslash (fixes serialize single quote issue)
$v = wp_unslash( $v );
// sanitize (remove tags)
$v = sanitize_text_field( $v );
// append
$field['choices'][ $v ] = $v;
}
// save
acf_update_field( $field );
}
// return
return $value;
}
/*
* translate_field
*
* This function will translate field settings
*
* @type function
* @date 8/03/2016
* @since 5.3.2
*
* @param $field (array)
* @return $field
*/
function translate_field( $field ) {
return acf_get_field_type( 'select' )->translate_field( $field );
}
/*
* format_value()
*
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value (mixed) the value which was loaded from the database
* @param $post_id (mixed) the $post_id from which the value was loaded
* @param $field (array) the field array holding all the field options
*
* @return $value (mixed) the modified value
*/
function format_value( $value, $post_id, $field ) {
// Bail early if is empty.
if ( acf_is_empty( $value ) ) {
return array();
}
// Always convert to array of items.
$value = acf_array( $value );
// Return.
return acf_get_field_type( 'select' )->format_value( $value, $post_id, $field );
}
/**
* Return the schema array for the REST API.
*
* @param array $field
* @return array
*/
public function get_rest_schema( array $field ) {
$schema = array(
'type' => array( 'string', 'array', 'null' ),
'required' => isset( $field['required'] ) && $field['required'],
'items' => array(
'type' => 'string',
),
);
if ( isset( $field['default_value'] ) && '' !== $field['default_value'] ) {
$schema['default'] = $field['default_value'];
}
// If we allow custom values, nothing else to do here.
if ( ! empty( $field['allow_custom'] ) ) {
return $schema;
}
/**
* If a user has defined keys for the checkboxes,
* we should use the keys for the available options to POST to,
* since they are what is displayed in GET requests.
*/
$checkbox_keys = array_diff(
array_keys( $field['choices'] ),
array_values( $field['choices'] )
);
$schema['items']['enum'] = empty( $checkbox_keys ) ? $field['choices'] : $checkbox_keys;
return $schema;
}
}
// initialize
acf_register_field_type( 'acf_field_checkbox' );
endif; // class_exists check