phorge-phorge/src/applications/transactions/editfield/PhabricatorColumnsEditField.php

<?php

final class PhabricatorColumnsEditField
  extends PhabricatorPHIDListEditField {

  private $columnMap;

  public function setColumnMap(array $column_map) {
    $this->columnMap = $column_map;
    return $this;
  }

  public function getColumnMap() {
    return $this->columnMap;
  }

  protected function newControl() {
    $control = id(new AphrontFormHandlesControl());
    $control->setIsInvisible(true);

    return $control;
  }

  protected function newHTTPParameterType() {
    return new AphrontPHIDListHTTPParameterType();
  }

  protected function newConduitParameterType() {
    return new ConduitColumnsParameterType();
  }

  protected function newCommentAction() {
    $column_map = $this->getColumnMap();
    if (!$column_map) {
      return null;
    }

    return id(new PhabricatorEditEngineColumnsCommentAction())
      ->setColumnMap($this->getColumnMap());
  }

}