testing

PhabricatorTokenizerEditField.php
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			<?php

			abstract class PhabricatorTokenizerEditField
			extends PhabricatorPHIDListEditField {

			abstract protected function newDatasource();

			protected function newControl() {
			$control = id(new AphrontFormTokenizerControl())
			->setDatasource($this->newDatasource());

			$initial_value = $this->getInitialValue();
			if ($initial_value !== null) {
			$control->setOriginalValue($initial_value);
			}

			if ($this->getIsSingleValue()) {
			$control->setLimit(1);
			}

			return $control;
			}

			protected function getInitialValueFromSubmit(AphrontRequest $request, $key) {
			return $request->getArr($key.'.original');
			}

			protected function newEditType() {
			$type = parent::newEditType();

			if ($this->getUseEdgeTransactions()) {
			$datasource = $this->newDatasource()
			->setViewer($this->getViewer());
			$type->setDatasource($datasource);
			}

			return $type;
			}

			public function getCommentEditTypes() {
			if (!$this->getUseEdgeTransactions()) {
			return parent::getCommentEditTypes();
			}

			$transaction_type = $this->getTransactionType();
			if ($transaction_type === null) {
			return array();
			}

			$label = $this->getCommentActionLabel();
			if ($label === null) {
			return array();
			}

			$type_key = $this->getEditTypeKey();
			$base = $this->getEditType();

			$add = id(clone $base)
			->setEditType($type_key.'.add')
			->setEdgeOperation('+')
			->setLabel($label);

			return array($add);
			}

			}