acf_field_button_group{}ACF 1.0

Хуков нет.

Использование

$acf_field_button_group = new acf_field_button_group();
// 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 )

Код acf_field_button_group{} ACF 5.10.2

class acf_field_button_group extends acf_field {


	/**
	 *  initialize()
	 *
	 *  This function will setup the field type data
	 *
	 *  @date    18/9/17
	 *  @since   5.6.3
	 *
	 *  @param   n/a
	 *  @return  n/a
	 */

	function initialize() {

		// vars
		$this->name     = 'button_group';
		$this->label    = __( 'Button Group', 'acf' );
		$this->category = 'choice';
		$this->defaults = array(
			'choices'       => array(),
			'default_value' => '',
			'allow_null'    => 0,
			'return_format' => 'value',
			'layout'        => 'horizontal',
		);

	}


	/**
	 *  render_field()
	 *
	 *  Creates the field's input HTML
	 *
	 *  @date    18/9/17
	 *  @since   5.6.3
	 *
	 *  @param   array $field The field settings array
	 *  @return  n/a
	 */

	function render_field( $field ) {

		// vars
		$html     = '';
		$selected = null;
		$buttons  = array();
		$value    = esc_attr( $field['value'] );

		// bail ealrly if no choices
		if ( empty( $field['choices'] ) ) {
			return;
		}

		// buttons
		foreach ( $field['choices'] as $_value => $_label ) {

			// checked
			$checked = ( $value === esc_attr( $_value ) );
			if ( $checked ) {
				$selected = true;
			}

			// append
			$buttons[] = array(
				'name'    => $field['name'],
				'value'   => $_value,
				'label'   => $_label,
				'checked' => $checked,
			);

		}

		// maybe select initial value
		if ( ! $field['allow_null'] && $selected === null ) {
			$buttons[0]['checked'] = true;
		}

		// div
		$div = array( 'class' => 'acf-button-group' );

		if ( $field['layout'] == 'vertical' ) {
			$div['class'] .= ' -vertical'; }
		if ( $field['class'] ) {
			$div['class'] .= ' ' . $field['class']; }
		if ( $field['allow_null'] ) {
			$div['data-allow_null'] = 1; }

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

		// open
		$html .= '<div ' . acf_esc_attr( $div ) . '>';

		// loop
		foreach ( $buttons as $button ) {

			// checked
			if ( $button['checked'] ) {
				$button['checked'] = 'checked';
			} else {
				unset( $button['checked'] );
			}

			// append
			$html .= acf_get_radio_input( $button );

		}

		// close
		$html .= '</div>';

		// return
		echo $html;

	}


	/**
	 *  render_field_settings()
	 *
	 *  Creates the field's settings HTML
	 *
	 *  @date    18/9/17
	 *  @since   5.6.3
	 *
	 *  @param   array $field The field settings array
	 *  @return  n/a
	 */

	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,
			)
		);

		// 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(
					'horizontal' => __( 'Horizontal', 'acf' ),
					'vertical'   => __( 'Vertical', '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
	*
	*  @date    18/9/17
	*  @since   5.6.3
	*
	*  @param   array $field The field array holding all the field options
	*  @return  $field
	*/

	function update_field( $field ) {

		return acf_get_field_type( 'radio' )->update_field( $field );
	}


	/*
	*  load_value()
	*
	*  This filter is appied to the $value after it is loaded from the db
	*
	*  @date    18/9/17
	*  @since   5.6.3
	*
	*  @param   mixed   $value      The value found in the database
	*  @param   mixed   $post_id    The post ID from which the value was loaded from
	*  @param   array   $field      The field array holding all the field options
	*  @return  $value
	*/

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

		return acf_get_field_type( 'radio' )->load_value( $value, $post_id, $field );

	}


	/*
	*  translate_field
	*
	*  This function will translate field settings
	*
	*  @date    18/9/17
	*  @since   5.6.3
	*
	*  @param   array $field The field array holding all the field options
	*  @return  $field
	*/

	function translate_field( $field ) {

		return acf_get_field_type( 'radio' )->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
	*
	*  @date    18/9/17
	*  @since   5.6.3
	*
	*  @param   mixed   $value      The value found in the database
	*  @param   mixed   $post_id    The post ID from which the value was loaded from
	*  @param   array   $field      The field array holding all the field options
	*  @return  $value
	*/

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

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

	}

}