PhabricatorCustomFieldEditEngineExtension.php
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PhabricatorCustomFieldEditEngineExtension.php
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			<?php

			final class PhabricatorCustomFieldEditEngineExtension
			extends PhabricatorEditEngineExtension {

			const EXTENSIONKEY = 'customfield.fields';

			public function getExtensionPriority() {
			return 5000;
			}

			public function isExtensionEnabled() {
			return true;
			}

			public function getExtensionName() {
			return pht('Custom Fields');
			}

			public function supportsObject(
			PhabricatorEditEngine $engine,
			PhabricatorApplicationTransactionInterface $object) {
			return ($object instanceof PhabricatorCustomFieldInterface);
			}

			public function buildCustomEditFields(
			PhabricatorEditEngine $engine,
			PhabricatorApplicationTransactionInterface $object) {

			$viewer = $this->getViewer();

			$field_list = PhabricatorCustomField::getObjectFields(
			$object,
			PhabricatorCustomField::ROLE_EDIT);

			$field_list->setViewer($viewer);

			if ($object->getID()) {
			$field_list->readFieldsFromStorage($object);
			}

			$results = array();
			foreach ($field_list->getFields() as $field) {
			$edit_fields = $field->getEditEngineFields($engine);
			foreach ($edit_fields as $edit_field) {
			$results[] = $edit_field;
			}
			}

			return $results;
			}

			}