name = 'range';
$this->label = __( 'Range', 'acf' );
$this->defaults = array(
'default_value' => '',
'min' => '',
'max' => '',
'step' => '',
'prepend' => '',
'append' => '',
);
}
/*
* render_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function render_field( $field ) {
// vars
$atts = array();
$keys = array( 'type', 'id', 'class', 'name', 'value', 'min', 'max', 'step' );
$keys2 = array( 'readonly', 'disabled', 'required' );
$html = '';
// step
if ( ! $field['step'] ) {
$field['step'] = 1;
}
// min / max
if ( ! $field['min'] ) {
$field['min'] = 0;
}
if ( ! $field['max'] ) {
$field['max'] = 100;
}
// allow for prev 'non numeric' value
if ( ! is_numeric( $field['value'] ) ) {
$field['value'] = 0;
}
// constrain within max and min
$field['value'] = max( $field['value'], $field['min'] );
$field['value'] = min( $field['value'], $field['max'] );
// atts (value="123")
foreach ( $keys as $k ) {
if ( isset( $field[ $k ] ) ) {
$atts[ $k ] = $field[ $k ];
}
}
// atts2 (disabled="disabled")
foreach ( $keys2 as $k ) {
if ( ! empty( $field[ $k ] ) ) {
$atts[ $k ] = $k;
}
}
// remove empty atts
$atts = acf_clean_atts( $atts );
// open
$html .= '
';
// prepend
if ( $field['prepend'] !== '' ) {
$html .= '
' . acf_esc_html( $field['prepend'] ) . '
';
}
// range
$html .= acf_get_text_input( $atts );
// Calculate input width based on the largest possible input character length.
// Also take into account the step size for decimal steps minus - 1.5 chars for leading "0.".
$len = max(
strlen( strval( $field['min'] ) ),
strlen( strval( $field['max'] ) )
);
if ( floatval( $atts['step'] ) < 1 ) {
$len += strlen( strval( $field['step'] ) ) - 1.5;
}
// input
$html .= acf_get_text_input(
array(
'type' => 'number',
'id' => $atts['id'] . '-alt',
'value' => $atts['value'],
'step' => $atts['step'],
// 'min' => $atts['min'], // removed to avoid browser validation errors
// 'max' => $atts['max'],
'style' => 'width: ' . ( 1.8 + $len * 0.7 ) . 'em;',
)
);
// append
if ( $field['append'] !== '' ) {
$html .= '
' . acf_esc_html( $field['append'] ) . '
';
}
// close
$html .= '
';
// return
echo $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 ) {
// default_value
acf_render_field_setting(
$field,
array(
'label' => __( 'Default Value', 'acf' ),
'instructions' => __( 'Appears when creating a new post', 'acf' ),
'type' => 'number',
'name' => 'default_value',
)
);
// min
acf_render_field_setting(
$field,
array(
'label' => __( 'Minimum Value', 'acf' ),
'instructions' => '',
'type' => 'number',
'name' => 'min',
'placeholder' => '0',
)
);
// max
acf_render_field_setting(
$field,
array(
'label' => __( 'Maximum Value', 'acf' ),
'instructions' => '',
'type' => 'number',
'name' => 'max',
'placeholder' => '100',
)
);
// step
acf_render_field_setting(
$field,
array(
'label' => __( 'Step Size', 'acf' ),
'instructions' => '',
'type' => 'number',
'name' => 'step',
'placeholder' => '1',
)
);
// prepend
acf_render_field_setting(
$field,
array(
'label' => __( 'Prepend', 'acf' ),
'instructions' => __( 'Appears before the input', 'acf' ),
'type' => 'text',
'name' => 'prepend',
)
);
// append
acf_render_field_setting(
$field,
array(
'label' => __( 'Append', 'acf' ),
'instructions' => __( 'Appears after the input', 'acf' ),
'type' => 'text',
'name' => 'append',
)
);
}
/**
* Return the schema array for the REST API.
*
* @param array $field
* @return array
*/
public function get_rest_schema( array $field ) {
$schema = array(
'type' => array( 'number', 'null' ),
'required' => ! empty( $field['required'] ),
'minimum' => empty( $field['min'] ) ? 0 : (int) $field['min'],
'maximum' => empty( $field['max'] ) ? 100 : (int) $field['max'],
);
if ( isset( $field['default_value'] ) && is_numeric( $field['default_value'] ) ) {
$schema['default'] = (int) $field['default_value'];
}
return $schema;
}
/**
* Apply basic formatting to prepare the value for default REST output.
*
* @param mixed $value
* @param string|int $post_id
* @param array $field
* @return mixed
*/
public function format_value_for_rest( $value, $post_id, array $field ) {
return acf_format_numerics( $value );
}
}
// initialize
acf_register_field_type( 'acf_field_range' );
endif; // class_exists check