testing

PhabricatorUIExampleRenderController.php
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			<?php

			final class PhabricatorUIExampleRenderController extends PhabricatorController {

			private $class;

			public function willProcessRequest(array $data) {
			$this->class = idx($data, 'class');
			}

			public function processRequest() {

			$classes = id(new PhutilSymbolLoader())
			->setAncestorClass('PhabricatorUIExample')
			->setConcreteOnly(true)
			->selectAndLoadSymbols();
			$classes = ipull($classes, 'name', 'name');

			foreach ($classes as $class => $ignored) {
			$classes[$class] = newv($class, array());
			}

			$classes = msort($classes, 'getName');

			$nav = new AphrontSideNavFilterView();
			$nav->setBaseURI(new PhutilURI($this->getApplicationURI('view/')));

			foreach ($classes as $class => $obj) {
			$name = $obj->getName();
			$nav->addFilter($class, $name);
			}

			$selected = $nav->selectFilter($this->class, head_key($classes));

			$example = $classes[$selected];
			$example->setRequest($this->getRequest());

			$result = $example->renderExample();
			if ($result instanceof AphrontResponse) {
			// This allows examples to generate dialogs, etc., for demonstration.
			return $result;
			}

			require_celerity_resource('phabricator-ui-example-css');

			$nav->appendChild(hsprintf(
			'<div class="phabricator-ui-example-header">'.
			'<h1 class="phabricator-ui-example-name">%s (%s)</h1>'.
			'<p class="phabricator-ui-example-description">%s</p>'.
			'</div>',
			$example->getName(),
			get_class($example),
			$example->getDescription()));

			$nav->appendChild($result);

			return $this->buildApplicationPage(
			$nav,
			array(
			'title' => 'UI Example',
			'device' => true,
			));
			}

			}