acf_field_radio{}ACF 1.0

Хуков нет.

Использование

$acf_field_radio = new acf_field_radio();
// use class methods

Методы

  1. public format_value( $value, $post_id, $field )
  2. public initialize()
  3. public load_value( $value, $post_id, $field )
  4. public render_field( $field )
  5. public render_field_settings( $field )
  6. public translate_field( $field )
  7. public update_field( $field )
  8. public update_value( $value, $post_id, $field )

Код acf_field_radio{} ACF 5.10.2

class acf_field_radio extends acf_field {


	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type    function
	*  @date    5/03/2014
	*  @since   5.0.0
	*
	*  @param   n/a
	*  @return  n/a
	*/

	function initialize() {

		// vars
		$this->name     = 'radio';
		$this->label    = __( 'Radio Button', 'acf' );
		$this->category = 'choice';
		$this->defaults = array(
			'layout'            => 'vertical',
			'choices'           => array(),
			'default_value'     => '',
			'other_choice'      => 0,
			'save_other_choice' => 0,
			'allow_null'        => 0,
			'return_format'     => 'value',
		);

	}


	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param   $field (array) the $field being rendered
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $field (array) the $field being edited
	*  @return  n/a
	*/

	function render_field( $field ) {

		// vars
		$e  = '';
		$ul = array(
			'class'             => 'acf-radio-list',
			'data-allow_null'   => $field['allow_null'],
			'data-other_choice' => $field['other_choice'],
		);

		// append to class
		$ul['class'] .= ' ' . ( $field['layout'] == 'horizontal' ? 'acf-hl' : 'acf-bl' );
		$ul['class'] .= ' ' . $field['class'];

		// Determine selected value.
		$value = (string) $field['value'];

		// 1. Selected choice.
		if ( isset( $field['choices'][ $value ] ) ) {
			$checked = (string) $value;

			// 2. Custom choice.
		} elseif ( $field['other_choice'] && $value !== '' ) {
			$checked = 'other';

			// 3. Empty choice.
		} elseif ( $field['allow_null'] ) {
			$checked = '';

			// 4. Default to first choice.
		} else {
			$checked = (string) key( $field['choices'] );
		}

		// other choice
		$other_input = false;
		if ( $field['other_choice'] ) {

			// Define other input attrs.
			$other_input = array(
				'type'     => 'text',
				'name'     => $field['name'],
				'value'    => '',
				'disabled' => 'disabled',
				'class'    => 'acf-disabled',
			);

			// Select other choice if value is not a valid choice.
			if ( $checked === 'other' ) {
				unset( $other_input['disabled'] );
				$other_input['value'] = $field['value'];
			}

			// Ensure an 'other' choice is defined.
			if ( ! isset( $field['choices']['other'] ) ) {
				$field['choices']['other'] = '';
			}
		}

		// Bail early if no choices.
		if ( empty( $field['choices'] ) ) {
			return;
		}

		// Hiden input.
		$e .= acf_get_hidden_input( array( 'name' => $field['name'] ) );

		// Open <ul>.
		$e .= '<ul ' . acf_esc_attr( $ul ) . '>';

		// Loop through choices.
		foreach ( $field['choices'] as $value => $label ) {
			$is_selected = false;

			// Ensure value is a string.
			$value = (string) $value;

			// Define input attrs.
			$attrs = array(
				'type'  => 'radio',
				'id'    => sanitize_title( $field['id'] . '-' . $value ),
				'name'  => $field['name'],
				'value' => $value,
			);

			// Check if selected.
			if ( esc_attr( $value ) === esc_attr( $checked ) ) {
				$attrs['checked'] = 'checked';
				$is_selected      = true;
			}

			// Check if is disabled.
			if ( isset( $field['disabled'] ) && acf_in_array( $value, $field['disabled'] ) ) {
				$attrs['disabled'] = 'disabled';
			}

			// Additional HTML (the "Other" input).
			$additional_html = '';
			if ( $value === 'other' && $other_input ) {
				$additional_html = ' ' . acf_get_text_input( $other_input );
			}

			// append
			$e .= '<li><label' . ( $is_selected ? ' class="selected"' : '' ) . '><input ' . acf_esc_attr( $attrs ) . '/>' . acf_esc_html( $label ) . '</label>' . $additional_html . '</li>';
		}

		// Close <ul>.
		$e .= '</ul>';

		// Output HTML.
		echo $e;
	}


	/*
	*  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'] );

		// choices
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Choices', 'acf' ),
				'instructions' => __( 'Enter each choice on a new line.', 'acf' ) . '<br /><br />' . __( 'For more control, you may specify both a value and label like this:', 'acf' ) . '<br /><br />' . __( 'red : Red', 'acf' ),
				'type'         => 'textarea',
				'name'         => 'choices',
			)
		);

		// allow_null
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Allow Null?', 'acf' ),
				'instructions' => '',
				'name'         => 'allow_null',
				'type'         => 'true_false',
				'ui'           => 1,
			)
		);

		// other_choice
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Other', 'acf' ),
				'instructions' => '',
				'name'         => 'other_choice',
				'type'         => 'true_false',
				'ui'           => 1,
				'message'      => __( "Add 'other' choice to allow for custom values", 'acf' ),
			)
		);

		// save_other_choice
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Save Other', 'acf' ),
				'instructions' => '',
				'name'         => 'save_other_choice',
				'type'         => 'true_false',
				'ui'           => 1,
				'message'      => __( "Save 'other' values to the field's choices", 'acf' ),
				'conditions'   => array(
					'field'    => 'other_choice',
					'operator' => '==',
					'value'    => 1,
				),
			)
		);

		// default_value
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Default Value', 'acf' ),
				'instructions' => __( 'Appears when creating a new post', 'acf' ),
				'type'         => 'text',
				'name'         => 'default_value',
			)
		);

		// layout
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Layout', 'acf' ),
				'instructions' => '',
				'type'         => 'radio',
				'name'         => 'layout',
				'layout'       => 'horizontal',
				'choices'      => array(
					'vertical'   => __( 'Vertical', 'acf' ),
					'horizontal' => __( 'Horizontal', 'acf' ),
				),
			)
		);

		// return_format
		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' ),
				),
			)
		);

	}


	/*
	*  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'] );

		// return
		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
	*  @todo    Fix bug where $field was found via json and has no ID
	*
	*  @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 no value (allow 0 to be saved)
		if ( ! $value && ! is_numeric( $value ) ) {
			return $value;
		}

		// save_other_choice
		if ( $field['save_other_choice'] ) {

			// value isn't in choices yet
			if ( ! isset( $field['choices'][ $value ] ) ) {

				// 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, true );

				// bail early if no ID (JSON only)
				if ( ! $field['ID'] ) {
					return $value;
				}

				// unslash (fixes serialize single quote issue)
				$value = wp_unslash( $value );

				// sanitize (remove tags)
				$value = sanitize_text_field( $value );

				// update $field
				$field['choices'][ $value ] = $value;

				// save
				acf_update_field( $field );

			}
		}

		// return
		return $value;
	}


	/*
	*  load_value()
	*
	*  This filter is appied to the $value after it is loaded from the db
	*
	*  @type    filter
	*  @since   5.2.9
	*  @date    23/01/13
	*
	*  @param   $value - the value found in the database
	*  @param   $post_id - the $post_id from which the value was loaded from
	*  @param   $field - the field array holding all the field options
	*
	*  @return  $value - the value to be saved in te database
	*/

	function load_value( $value, $post_id, $field ) {

		// must be single value
		if ( is_array( $value ) ) {

			$value = array_pop( $value );

		}

		// 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 ) {

		return acf_get_field_type( 'select' )->format_value( $value, $post_id, $field );

	}

}