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PhabricatorSelectEditField.php
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			<?php

			final class PhabricatorSelectEditField
			extends PhabricatorEditField {

			private $options;
			private $optionAliases = array();

			public function setOptions(array $options) {
			$this->options = $options;
			return $this;
			}

			public function getOptions() {
			if ($this->options === null) {
			throw new PhutilInvalidStateException('setOptions');
			}
			return $this->options;
			}

			public function setOptionAliases(array $option_aliases) {
			$this->optionAliases = $option_aliases;
			return $this;
			}

			public function getOptionAliases() {
			return $this->optionAliases;
			}

			protected function getDefaultValueFromConfiguration($value) {
			return $this->getCanonicalValue($value);
			}

			protected function getValueForControl() {
			$value = parent::getValueForControl();
			return $this->getCanonicalValue($value);
			}

			protected function newControl() {
			return id(new AphrontFormSelectControl())
			->setOptions($this->getOptions());
			}

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

			protected function newCommentAction() {
			return id(new PhabricatorEditEngineSelectCommentAction())
			->setOptions($this->getOptions());
			}

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

			protected function newBulkParameterType() {
			return id(new BulkSelectParameterType())
			->setOptions($this->getOptions());
			}

			private function getCanonicalValue($value) {
			$options = $this->getOptions();
			if (!isset($options[$value])) {
			$aliases = $this->getOptionAliases();
			if (isset($aliases[$value])) {
			$value = $aliases[$value];
			}
			}

			return $value;
			}

			}