PhabricatorRemarkupRuleEmbedFile.php
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	<?php

	/*
	* Copyright 2011 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/**
	* @group markup
	*/
	class PhabricatorRemarkupRuleEmbedFile
	extends PhutilRemarkupRule {

	public function apply($text) {
	return preg_replace_callback(
	"@{F(\d+)}@",
	array($this, 'markupEmbedFile'),
	$text);
	}

	public function markupEmbedFile($matches) {

	$file = null;
	if ($matches[1]) {
	// TODO: This is pretty inefficient if there are a bunch of files.
	$file = id(new PhabricatorFile())->load($matches[1]);
	}

	if ($file) {
	return $this->getEngine()->storeText(
	phutil_render_tag(
	'a',
	array(
	'href' => $file->getViewURI(),
	'target' => '_blank',
	),
	phutil_render_tag(
	'img',
	array(
	'src' => $file->getThumb160x120URI(),
	))));
	} else {
	return $matches[0];
	}
	}

	}