acf_field_textarea{}ACF 1.0

Хуков нет.

Использование

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

Методы

  1. public format_value( $value, $post_id, $field )
  2. public initialize()
  3. public render_field( $field )
  4. public render_field_settings( $field )
  5. public validate_value( $valid, $value, $field, $input )

Код acf_field_textarea{} ACF 5.10.2

class acf_field_textarea extends acf_field {


	/*
	*  initialize
	*
	*  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     = 'textarea';
		$this->label    = __( 'Text Area', 'acf' );
		$this->defaults = array(
			'default_value' => '',
			'new_lines'     => '',
			'maxlength'     => '',
			'placeholder'   => '',
			'rows'          => '',
		);

	}


	/*
	*  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( 'id', 'class', 'name', 'value', 'placeholder', 'rows', 'maxlength' );
		$keys2 = array( 'readonly', 'disabled', 'required' );

		// rows
		if ( ! $field['rows'] ) {
			$field['rows'] = 8;
		}

		// 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 );

		// return
		acf_textarea_input( $atts );

	}


	/*
	*  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
	*
	*  @param   $field  - an array holding all the field's data
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*/

	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'         => 'textarea',
				'name'         => 'default_value',
			)
		);

		// placeholder
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Placeholder Text', 'acf' ),
				'instructions' => __( 'Appears within the input', 'acf' ),
				'type'         => 'text',
				'name'         => 'placeholder',
			)
		);

		// maxlength
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Character Limit', 'acf' ),
				'instructions' => __( 'Leave blank for no limit', 'acf' ),
				'type'         => 'number',
				'name'         => 'maxlength',
			)
		);

		// rows
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Rows', 'acf' ),
				'instructions' => __( 'Sets the textarea height', 'acf' ),
				'type'         => 'number',
				'name'         => 'rows',
				'placeholder'  => 8,
			)
		);

		// formatting
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'New Lines', 'acf' ),
				'instructions' => __( 'Controls how new lines are rendered', 'acf' ),
				'type'         => 'select',
				'name'         => 'new_lines',
				'choices'      => array(
					'wpautop' => __( 'Automatically add paragraphs', 'acf' ),
					'br'      => __( 'Automatically add <br>', 'acf' ),
					''        => __( 'No Formatting', 'acf' ),
				),
			)
		);

	}


	/*
	*  format_value()
	*
	*  This filter is applied 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 no value or not for template
		if ( empty( $value ) || ! is_string( $value ) ) {

			return $value;

		}

		// new lines
		if ( $field['new_lines'] == 'wpautop' ) {

			$value = wpautop( $value );

		} elseif ( $field['new_lines'] == 'br' ) {

			$value = nl2br( $value );

		}

		// return
		return $value;
	}

	/**
	 * validate_value
	 *
	 * Validates a field's value.
	 *
	 * @date    29/1/19
	 * @since   5.7.11
	 *
	 * @param   (bool|string) Whether the value is vaid or not.
	 * @param   mixed                                          $value The field value.
	 * @param   array                                          $field The field array.
	 * @param   string                                         $input The HTML input name.
	 * @return  (bool|string)
	 */
	function validate_value( $valid, $value, $field, $input ) {

		// Check maxlength.
		if ( $field['maxlength'] && ( acf_strlen( $value ) > $field['maxlength'] ) ) {
			return sprintf( __( 'Value must not exceed %d characters', 'acf' ), $field['maxlength'] );
		}

		// Return.
		return $valid;
	}
}