PhabricatorSystemSelectViewAsController.php
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PhabricatorSystemSelectViewAsController.php
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	<?php

	final class PhabricatorSystemSelectViewAsController
	extends PhabricatorController {

	public function shouldRequireLogin() {
	return false;
	}

	public function handleRequest(AphrontRequest $request) {
	$viewer = $this->getViewer();
	$v_engine = $request->getStr('engine');

	if ($request->isFormPost()) {
	$result = array('engine' => $v_engine);
	return id(new AphrontAjaxResponse())->setContent($result);
	}

	$engines = PhabricatorDocumentEngine::getAllEngines();

	$options = $request->getStrList('options');
	$options = array_fuse($options);

	// TODO: This controller is a bit rough because it isn't really using the
	// file ref to figure out which engines should work. See also T13513.
	// Callers can pass a list of "options" to control which options are
	// presented, at least.

	$ref = new PhabricatorDocumentRef();

	$map = array();
	foreach ($engines as $engine) {
	$key = $engine->getDocumentEngineKey();

	if ($options && !isset($options[$key])) {
	continue;
	}

	$label = $engine->getViewAsLabel($ref);

	if (!strlen($label)) {
	continue;
	}

	$map[$key] = $label;
	}

	asort($map);

	$map = array(
	'' => pht('(Use Default)'),
	) + $map;

	$form = id(new AphrontFormView())
	->setViewer($viewer)
	->appendRemarkupInstructions(pht('Choose a document engine to use.'))
	->appendChild(
	id(new AphrontFormSelectControl())
	->setLabel(pht('View As'))
	->setName('engine')
	->setValue($v_engine)
	->setOptions($map));

	return $this->newDialog()
	->setTitle(pht('Select Document Engine'))
	->appendForm($form)
	->addSubmitButton(pht('Choose Engine'))
	->addCancelButton('/');
	}
	}