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AphrontPageView.php
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			<?php

			abstract class AphrontPageView extends AphrontView {

			private $title;

			public function setTitle($title) {
			$this->title = $title;
			return $this;
			}

			public function getTitle() {
			$title = $this->title;
			if (is_array($title)) {
			$title = implode(" \xC2\xB7 ", $title);
			}
			return $title;
			}

			protected function getHead() {
			return '';
			}

			protected function getBody() {
			return phutil_implode_html('', $this->renderChildren());
			}

			protected function getTail() {
			return '';
			}

			protected function willRenderPage() {
			return;
			}

			protected function willSendResponse($response) {
			return $response;
			}

			protected function getBodyClasses() {
			return null;
			}

			public function render() {

			$this->willRenderPage();

			$title = $this->getTitle();
			$head = $this->getHead();
			$body = $this->getBody();
			$tail = $this->getTail();

			$body_classes = $this->getBodyClasses();

			$body = phutil_tag(
			'body',
			array(
			'class' => nonempty($body_classes, null),
			),
			array($body, $tail));

			if (PhabricatorEnv::getEnvConfig('phabricator.developer-mode')) {
			$data_fragment = phutil_safe_html(' data-developer-mode="1"');
			} else {
			$data_fragment = null;
			}

			$response = hsprintf(
			'<!DOCTYPE html>'.
			'<html%s>'.
			'<head>'.
			'<meta charset="UTF-8" />'.
			'<title>%s</title>'.
			'%s'.
			'</head>'.
			'%s'.
			'</html>',
			$data_fragment,
			$title,
			$head,
			$body);

			$response = $this->willSendResponse($response);

			return $response;

			}

			}