'',
'type' => $this->type,
'label' => $this->label,
'name' => '',
'placeholder' => '',
'description' => '',
'required' => '0',
'css_class' => '',
'width' => 'full',
// Bedingte Logik
'conditional_logic' => '0',
'conditional_action' => 'show', // show|hide
'conditional_rules' => array(), // [{field,operator,value}]
'conditional_match' => 'all', // all|any
// Schritt (mehrstufige Formulare)
'step' => 0,
);
}
abstract public function render( $field, $value = '' );
public function validate( $value, $field ) {
if ( ! empty( $field['required'] ) && $field['required'] === '1' ) {
$empty = ( $value === '' || $value === null || $value === array() );
if ( $empty ) return sprintf( 'Das Feld „%s" ist ein Pflichtfeld.', $field['label'] );
}
return true;
}
public function sanitize( $value, $field ) {
return sanitize_text_field( (string) $value );
}
/* Einstellungs-Panel im Builder */
public function settings_panel( $field ) {
?>
type );
$w = $field['width'] ?? 'full';
if ( $w !== 'full' ) $cls[] = 'wmf-field-width-' . $w;
if ( ! empty($field['css_class']) ) $cls[] = $field['css_class'];
if ( !empty($field['required']) && $field['required']==='1' ) $cls[] = 'wmf-required';
if ( !empty($field['conditional_logic']) && $field['conditional_logic']==='1' ) $cls[] = 'wmf-has-condition';
return implode(' ', $cls);
}
protected function render_label( $field ) {
if ( empty($field['label']) ) return;
$req = (!empty($field['required']) && $field['required']==='1') ? ' *' : '';
printf( '', esc_attr($field['id']), esc_html($field['label']), $req );
}
protected function render_description( $field ) {
if ( empty($field['description']) ) return;
printf( '%s
', esc_html($field['description']) );
}
protected function conditional_attrs( $field ) {
if ( empty($field['conditional_logic']) || $field['conditional_logic'] !== '1' ) return '';
return sprintf(
' data-condition="%s" data-condition-action="%s" data-condition-match="%s" data-condition-rules="%s"',
'1',
esc_attr($field['conditional_action'] ?? 'show'),
esc_attr($field['conditional_match'] ?? 'all'),
esc_attr(wp_json_encode($field['conditional_rules'] ?? array()))
);
}
}