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<?php
namespace AC\Form;
abstract class Element {
/**
* @var array
*/
protected $attributes = [];
/**
* Options for element like select
* @var array
*/
protected $options = [];
/**
* The elements value
* @var mixed
*/
protected $value;
/**
* Label
* @var string
*/
protected $label;
/**
* Extra description
* @var string
*/
protected $description;
/**
* Setup element with base name and id
*
* @param string $name
* @param array $options
*/
public function __construct( $name, array $options = [] ) {
$this->set_name( $name );
$this->set_id( $name );
$this->set_options( $options );
}
/**
* @return string|false
*/
protected function render_description() {
if ( ! $this->get_description() ) {
return false;
}
$template = '<p class="help-msg">%s</p>';
return sprintf( $template, $this->get_description() );
}
/**
* Render this element
* @return string
*/
abstract public function render();
/**
* @param $key
*
* @return string|false
*/
public function get_attribute( $key ) {
if ( ! isset( $this->attributes[ $key ] ) ) {
return false;
}
return trim( $this->attributes[ $key ] );
}
/**
* @param string $key
* @param string $value
*
* @return $this
*/
public function set_attribute( $key, $value ) {
if ( 'value' === $key ) {
$this->set_value( $value );
return $this;
}
$this->attributes[ $key ] = $value;
return $this;
}
/**
* @return array
*/
public function get_attributes() {
return $this->attributes;
}
/**
* @param array $attributes
*
* @return $this
*/
public function set_attributes( array $attributes ) {
foreach ( $attributes as $key => $value ) {
$this->set_attribute( $key, $value );
}
return $this;
}
/**
* Get attributes as string
*
* @param array $attributes
*
* @return string
*/
protected function get_attributes_as_string( array $attributes ) {
$output = [];
foreach ( $attributes as $key => $value ) {
$output[] = $this->get_attribute_as_string( $key, $value );
}
return implode( ' ', $output );
}
/**
* Render an attribute
*
* @param string $key
* @param string $value
*
* @return string
*/
protected function get_attribute_as_string( $key, $value = null ) {
if ( null === $value ) {
$value = $this->get_attribute( $key );
}
return ac_helper()->html->get_attribute_as_string( $key, $value );
}
public function get_name() {
return $this->get_attribute( 'name' );
}
/**
* @param string $name
*
* @return $this
*/
public function set_name( $name ) {
return $this->set_attribute( 'name', $name );
}
/**
* @return false|string
*/
public function get_id() {
return $this->get_attribute( 'id' );
}
/**
* @param string $id
*
* @return $this
*/
public function set_id( $id ) {
return $this->set_attribute( 'id', $id );
}
/**
* @return mixed
*/
public function get_value() {
return $this->value;
}
/**
* @param mixed $value
*
* @return $this
*/
public function set_value( $value ) {
$this->value = $value;
return $this;
}
/**
* @param string $class
*
* @return $this
*/
public function set_class( $class ) {
$this->set_attribute( 'class', $class );
return $this;
}
/**
* @param string $class
*
* @return $this
*/
public function add_class( $class ) {
$parts = explode( ' ', (string) $this->get_attribute( 'class' ) );
$parts[] = $class;
$this->set_class( implode( ' ', $parts ) );
return $this;
}
/**
* @return string
*/
public function get_label() {
return $this->label;
}
/**
* @param string $label
*
* @return $this
*/
public function set_label( $label ) {
$this->label = $label;
return $this;
}
/**
* @param array $options
*
* @return $this
*/
public function set_options( array $options ) {
$this->options = $options;
return $this;
}
/**
* @return array
*/
public function get_options() {
return $this->options;
}
/**
* @return string
*/
public function get_description() {
return $this->description;
}
/**
* @param $description
*
* @return $this
*/
public function set_description( $description ) {
$this->description = $description;
return $this;
}
/**
* @return string
*/
public function __toString() {
return $this->render();
}
}
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